Patent Application
20240292984
The present disclosure relates to the technical field of cutting and cleaning, and in particular to a cleaner and a base station.
With the development of cleaning technology, robot cleaners have emerged to reduce the labor intensity of conventional manual cleaning, such as robot vacuum cleaners. During the cleaning process, the robot vacuum cleaner drives the roller brush to rotate so as to remove garbage that is adsorbed or adheres to the ground, so that the garbage can be suctioned and collected.
During the cleaning process, the roller brush is easily entangled with hair, threads and other tangles, which leads to a limited and reduced cleaning ability and a poor cleaning effect of the roller brush. Therefore, the existing robot cleaner is designed with three cleaners to clear away the tangles around the roller brush: I. a combination of comb teeth and a blade is used to directly shear the hair entangled on the roller brush; II. serrations inside the roller brush make a reciprocating movement to remove the entangled hair; and III. in cooperation with the serrations, the blade moving along the axial direction of the roller brush directly cuts off the hair. However, during the working process of the above three cleaners, the structure of the roller brush may be easily damaged, and for adhering to the roller brush in clusters, even if they are cut off, they will not leave the roller brush, so that the tangles cannot be effectively cleared away.
Based on this, it is necessary to provide a cleaner, a base station, a vacuum cleaner system and a method for clearing a roller brush assembly, which can effectively clear away tangles entangled on a roller brush on the premise of minimizing damage to the roller brush.
A cleaner for clearing away tangles on a roller brush of a vacuum cleaner, the vacuum cleaner comprises a feed driver, a feeder and a cutter, a clearing controller being electrically connected to the feed driver and controlling the feed driver to drive the feeder to move at least between a pick-up position and a working position so as to pull down the tangles on the roller brush, a distance between the working position and an axis of the roller brush being greater than a distance between the pick-up position and the axis of the roller brush, the cutter being closer to the working position relative to the pick-up position, the cutter comprising a first shearing member and a second shearing member that are fitted with each other, and the first shearing member and the second shearing member being configured to reciprocate relative to each other to shear off the tangles pulled down by the feeder.
According to the above cleaner, during the process of clearing away the tangles, the driving unit is utilized to drive the feeder to move to the pick-up position, and then to the working position from the pick-up position, so that the tangles on the roller brush are pulled to the working position. When the tangles are pulled to the working position, the tangles are cut under the action of at least the cutter such that the roller brush is effectively cleared. Therefore, a cutting mode of the cleaner is to pull the tangles first and then cut the tangles, which can ensure the tangles that adhere to the roller brush in clusters to leave the roller brush in time after the tangles are cut off such that the tangles can be effectively cleared away. Since the distance between the working position and the axis of the roller brush is greater than the distance between the pick-up position and the axis of the roller brush, i.e., the working position is further away from the roller brush relative to the pick-up position, during cutting, the cutter will keep a certain distance from the pick-up position of the tangles, which prevents the cutter from being too close to the roller brush and easily damaging the structure of the roller brush. Therefore, the damage to the roller brush is minimized while effective cutting is realized. Moreover, the reciprocating cutting of the first shearing member and the second shearing member has a better cutting effect on the tangles.
In one embodiment, the feeder comprises a hooking structure, two or more hooking structures are provided and arranged along a length direction of the feeder, and the length direction of the feeder is parallel with the axis of the roller brush.
In one embodiment, a hook groove with an opening at one end is formed between the hooking structure and the feeder to accommodate at least part of the tangles; and an orientation of the opening of the hooking structure is adapted to a direction of movement of the feeder from the working position to the pick-up position such that the hooking structure acquires the tangles.
In one embodiment, the hooking structure has an inner arc surface and an outer arc surface arranged oppositely, and the hook groove is formed between the inner arc surface and the feeder; at least part of the outer arc surface inclinedly extends in a direction that forms an included angle with a horizontal plane; and at least part of a top of the outer arc surface is arranged horizontally.
In one embodiment, a distance between every two adjacent hooking structures is L, and the feeder has a displacement s in a horizontal direction when moving from the pick-up position to the working position, wherein L<s.
In one embodiment, the hooking structure has an inner arc surface and an outer arc surface arranged oppositely, and a hook groove is formed between the inner arc surface and the feeder to accommodate at least part of the tangles; and the first shearing member and the second shearing member have overlapping parts in height, a highest point of the overlapping parts is defined as a lower point, and when the hooking structure is in the working position, a top of the inner arc surface is lower than the lower point.
In one embodiment, the top of the inner arc surface is 1-20 mm lower than the lower point.
In one embodiment, the top of the inner arc surface is 5-10 mm lower than the lower point.
In one embodiment, a horizontal transverse distance perpendicular to a height direction is formed between the feeder and the lower point, and the horizontal transverse distance is in a range of 0-3 mm.
In one embodiment, the roller brush is located above the feeder and the cutter, and the feeder and the cutter are parallel with the axis of the roller brush; the hooking structure has an inner arc surface and an outer arc surface arranged oppositely, and a hook groove is formed between the inner arc surface and the feeder to accommodate at least part of the tangles; the first shearing member and the second shearing member have overlapping parts in height, and a highest point of the overlapping parts is defined as a lower point; and when the feeder is in the working position, the axis of the roller brush and a vertex of the inner arc surface defines a first plane, a distance between the lower point and the first plane is d1, the lower point is higher than a top of the inner arc surface, the lower point forms a projective point on the first plane when being orthographically projected relative to the first plane, a distance between the projective point and the top of the inner arc surface is d2, a maximum outer diameter of the roller brush is r, and a distance between the axis of the roller brush and the top of the inner arc surface is d3, wherein
0<d1<r, and 0<d2<d3−r.
In one embodiment, in the length direction of the feeder, at least one of the hooking structures close to two ends of the feeder is higher than the hooking structure in a middle area of the feeder.
In one embodiment, in the length direction of the feeder, at least one of the hooking structures close to two ends of the feeder is narrower than the hooking structure in a middle area of the feeder.
In one embodiment, the first shearing member and the second shearing member are arranged side by side, the second shearing member is arranged fixedly, the first shearing member reciprocates in a length direction thereof relative to the second shearing member to generate a shearing force, and length directions of the first shearing member and the second shearing member are parallel with the axis of the roller brush.
In one embodiment, the first shearing member, the second shearing member and the feeder each have a center line perpendicular to the axis of the roller brush, the first shearing member has two limit positions when reciprocating relative to the second shearing member, and when the first shearing member is located between the two limit positions and the feeder is in the working position, the center lines of the first shearing member, the second shearing member and the feeder are in a same vertical plane perpendicular to the axis of the roller brush; and the second shearing member has a maximum length L1, the feeder has a length L2, and the feeder has a displacement s in a horizontal direction when moving from the pick-up position to the working position, wherein L1>L2+s.
In one embodiment, the hooking structure comprises a base portion and hook portions connected to the base portion, and the hook portions comprise a first hook portion and a second hook portion, the first hook portion and the second hook portion being connected to two opposite sides of the base portion, and the first hook portion and the second hook portion respectively hooking off the tangles during the movement of the feeder.
In one embodiment, the feed driver is connected to the feeder and drives the feeder to reciprocate between the pick-up position and the working position, and a frequency of the movement of the feeder is smaller than a frequency of the relative reciprocation of the first shearing member and the second shearing member.
In one embodiment, the clearing controller is electrically connected to the feeder and the cutter, the clearing controller controls the cutter to start prior to the feeder, and the clearing controller controls the feeder to stop operation prior to the cutter.
In one embodiment, the feeder comprises two or more feed segments, and the two or more feed segments are spliced side by side to form the feeder.
In one embodiment, the first shearing member comprises two or more first shearing segments, and the two or more first shearing segments are spliced to form the first shearing member; and the second shearing member comprises two or more second shearing segments, and the two or more second shearing segments are spliced to form the second shearing member.
In one embodiment, the feed driver comprises a first motor and a first cam structure, the first cam structure being connected to the feeder, and when the first motor drives the first cam structure to rotate, the first cam structure drives the feeder to make a reciprocating circular movement.
In one embodiment, the cleaner further comprises a shearing drivier, the shearing drivier being connected to the cutter and configured to drive the first shearing member and the second shearing member to reciprocate so as to shear off the tangles, and the shearing drivier and the feed driver at least partially having a same structure.
A base station includes a station body and the cleaner according to any of the above. The station body is provided with a working chamber for a vacuum cleaner to dock or leave, and the cleaner is embedded in a bottom wall of the working chamber.
The above base station is used in combination with a robot cleaner. When the robot cleaner travels into the working chamber, the driving unit is utilized to drive the feeder to move to the pick-up position, and then to the working position from the pick-up position, so that the tangles on the roller brush are pulled to the working position. If the tangles can be separated from the roller brush under the action of the feeder, then the tangles can be cleared away without cutting. If part of the tangles cannot be completely separated from the roller brush, then the vacuum cleaner needs to be provided with the cutter. When the tangles are pulled to the working position, the cutter cuts the tangles such that the roller brush is effectively cleared. Since the distance between the working position and the axis of the roller brush is greater than the distance between the pick-up position and the axis of the roller brush, i.e., the working position is further away from the roller brush relative to the pick-up position, during cutting, the cutter will keep a certain distance from the pick-up position of the tangles, which prevents the cutter from being too close to the roller brush and easily damaging the structure of the roller brush. Therefore, the damage to the roller brush is minimized while effective cutting is realized. Moreover, the reciprocating cutting of the first shearing member and the second shearing member has a better cutting effect on the tangles.
In one embodiment, at least part of the cleaner is detachably mounted to the base station.
In one embodiment, the cleaner further comprises a mounting frame, the feeder, the cutter and at least part of the feed driver being fixedly mounted to the mounting frame, the mounting frame being detachably mounted to the base station, the mounting frame and the base station being provided with locking structures fitted with each other, and the locking structures being configured to switch between a lock state and a release state such that the mounting frame is locked to the base station and released from the base station.
In one embodiment, a vacuum cleaner system, the vacuum cleaner system comprises a vacuum cleaner and a base station for maintaining the vacuum cleaner, the base station comprises any of the above-mentioned vacuum cleaner and a station body, the station body is provided with a working chamber for the vacuum cleaner to dock or leave, the cleaner is embedded in a bottom wall of the working chamber, and when the vacuum cleaner docks at the working chamber, the cleaner clears away tangles on a roller brush of the vacuum cleaner.
In one embodiment, the vacuum cleaner comprises: a roller brush assembly, comprising the roller brush and configured to sweep garbage on a surface to work on; and a controller, configured to control the roller brush assembly to rotate or stop according to at least a maintenance state of the vacuum cleaner and directly or indirectly control the cleaner to clear away the tangles on the roller brush when receiving a signal indicating that the roller brush assembly stops at a first preset phase, the controller being further configured to control the roller brush assembly to rotate and stop at one or more phases different from the first preset phase and directly or indirectly control the cleaner to clear away the tangles on the roller brush respectively at the phases where the roller brush assembly stops.
In one embodiment, the vacuum cleaner further comprises a detector, the detector being configured to detect the phase of the roller brush assembly, and the detector being connected to the controller and transmitting the signal about the phase to the controller.
In one embodiment, after the cutter is started for a preset time, the controller determines that the cleaner has completed clearing the roller brush at one phase.
In one embodiment, after the cleaner completes clearing the roller brush at the first preset phase, the controller is configured to control the roller brush assembly to rotate relative to the first preset phase and stop at a second preset phase, and control the roller brush assembly to rotate along a same direction relative to the second preset phase and stop at a third preset phase; and the feeder hooks the tangles on the roller brush respectively at the second preset phase and the third preset phase, and the cutter cuts the tangles that have been hooked off.
In one embodiment, when the vacuum cleaner docks at the base station, a center line of the roller brush and a center line of the second shearing member are in a same vertical plane within an error range e, and the center line of the roller brush and the center line of the second shearing member are perpendicular to an axis of the roller brush; and the roller brush assembly comprises two connectors and a roller shaft, the two connectors being configured to mount the roller brush assembly to the vacuum cleaner, a length of the roller brush between the two connectors being defined as L3, a length of the feeder being L2, and the feeder having a displacement s in a horizontal direction when moving from the pick-up position to the working position, wherein L3−e>L2+s.
In one embodiment, the vacuum cleaner is provided with a roller brush assembly, the roller brush assembly comprising connectors and a roller shaft, and the connectors being configured to mount the roller brush assembly to the vacuum cleaner; the roller shaft is connected to the connectors, sweeping members extending along an axial direction of the roller shaft are connected to the roller shaft, and when the roller shaft rotates, the sweeping members are driven to sweep a surface to work on so as to clean the surface to work on; and the roller brush assembly further comprises guide members, the guide members being arranged at two ends of the roller shaft in a length direction and distributed along a circumferential direction of the roller shaft, and each end of the roller shaft being at least provided with two or more of the guide members to support tangles entangled on the roller brush such that the tangles are away from an outer periphery of the roller shaft when being entangled on the roller brush.
In one embodiment, the guide member comprises a guide surface and a support surface that are connected to each other, and the guide surface is close to the connector relative to the support surface; and the guide surface is configured to guide the tangles to the support surface, and the support surface is configured to support the tangles on a surface thereof.
In one embodiment, the guide surface is provided as an arc surface or a straight surface inclined relative to an axis of the roller shaft, a position of the guide surface relatively close to the connector is higher than a position relatively away from the connector, the support surface is provided as a flat surface parallel with the axis of the roller shaft, and a lowest point of the guide surface is higher than the support surface.
In one embodiment, a joint of the guide surface and the support surface has a smooth transition.
In one embodiment, two or more rows of the sweeping members are provided, and the guide member is arranged between every two adjacent sweeping members.
In one embodiment, the guide member crosses the sweeping member in a length direction of the roller brush assembly.
In one embodiment, the guide member has a preset minimum outer diameter at a position away from the connector and a preset maximum outer diameter at a position close to the connector, and the preset maximum outer diameter of the guide member is smaller than a maximum outer diameter of the sweeping member.
In one embodiment, the roller brush assembly further comprises guide members, the guide members being distributed at two ends of the roller shaft in a length direction along a circumferential direction of the roller shaft, each end of the roller shaft at least comprises two or more of the guide members to support tangles entangled on the roller brush such that the tangles are away from an outer periphery of the roller shaft when being entangled on the roller brush, and the first preset phase is located between the two adjacent guide members.
In one embodiment, the vacuum cleaner comprises a controller, the controller being configured to control the roller brush assembly to rotate or stop according to at least a maintenance state of the vacuum cleaner, and when the controller controls the roller brush to rotate, the feeder is located on outside a maximum outer diameter of the roller brush.
In one embodiment, the vacuum cleaner further comprises a controller, a fan and a dust box, the controller being connected to the fan, and after the cleaner finishes clearing the roller brush, the controller controlling the fan to start so as to suction the cut tangles into the dust box.
In one embodiment, a method for clearing a roller brush assembly, using a cleaner to clear away tangles on a roller brush, the cleaner comprises a feed driver, a feeder and a cutter, the cutter comprising a first shearing member and a second shearing member fitted with each other; and a method for maintaining the roller brush assembly comprises: controlling, by the controller, the feed driver to drive the feeder to move at least between a pick-up position and a working position so as to pull down the tangles on the roller brush, a distance between the working position and an axis of the roller brush being greater than a distance between the pick-up position and the axis of the roller brush; and making the first shearing member and the second shearing member to reciprocate relative to each other to shear off the tangles pulled down by the feeder.
The accompanying drawings, which constitute a part of this application, are used to provide a further understanding of the present disclosure, and the exemplary embodiments of the present disclosure and the description thereof are used to explain the present disclosure and do not constitute improper limitations to the present disclosure.
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the accompanying drawings required in the description of the embodiments will be briefly described below. Apparently, the accompanying drawings in the description below are only some embodiments of the present disclosure, and those of ordinary skill in the art can obtain other accompanying drawings according to these drawings without any creative work.
To make the foregoing objectives, features, and advantages of the present disclosure more apparent and easier to understand, specific implementations of the present disclosure are described in detail below with reference to the accompanying drawings. Numerous specific details are set forth in the following description in order to provide a thorough understanding of the present disclosure. However, the present disclosure can be implemented in many other manners different from those described herein, and those skilled in the art can make similar improves without departing from the content of the present disclosure, so the present disclosure is not limited by the specific embodiments disclosed below.
In an embodiment, referring to
The above cleaner 100 further includes a clearing controller 201. The clearing controller 201 is electrically connected to the driving unit 110 and controls the driving unit 110 to drive the feeder to move at least between the pick-up position and the working position. It should be noted that referring to
According to the above cleaner 100, during the process of clearing away the tangles, referring to
It should be noted that the axis of the roller brush 310 should be understood as that the roller brush 310 rotates around at least one axis, which can be defined as the axis of the roller brush 310. Of course, for ease of understanding, an axis of the roller shaft or the roller in the roller brush 310 may also be directly defined as the axis of the roller brush 310. In addition, the relationship between the distance between the working position and the axis of the roller brush 310 and the distance between the pick-up position and the axis of the roller brush 310 may not be specifically limited in this embodiment, as long as the distance between the working position and the axis of the roller brush 310 is greater than the distance between the pick-up position and the axis of the roller brush 310.
It should also be noted that the pick-up position should be understood as that when the feeder 120 moves to the pick-up position, the feeder 120 can act on the tangles on the roller brush 310. The “act” here should be understood as that as the feeder 120 continues to move to the working position, the feeder 120 will exert a pulling force on the tangles towards the working position. The tangles may be, but not limited to, hair, threads, cloth strips, etc. Moreover, the vacuum cleaner of this embodiment should at least be understood as a robot cleaner 300, a hand-held cleaner, etc.
In addition, “the tangles are cut under the action of at least the cutter 130” should be understood as that during the cutting, at least the cutter 130 is involved. For example, if the cutter 130 is an apparatus with an independent shearing function, the feeder 120 only needs to pull the tangles to the working position; and if the feeder 120 also has the cutting function, the feeder 120 is fitted with the cutter 130 to cut off the tangles together.
Further, the working position is between 10 mm from an outer contour of the roller brush 310 extending inward in a radial direction of the roller brush 310 and 10 mm from the outer contour of the roller brush 310 extending outward in the radial direction of the roller brush 310. That is, the working position may be set to be: within the space formed by extending 10 mm inwardly toward the axis of the roller brush 310 and extending 10 mm toward the outside of the roller brush 310 based on the outer contour of the roller brush 310. In this way, the damage of the cutter 130 to the structure of the roller brush 310 can be further minimized, which is beneficial to prolonging the service life of the roller brush 310.
Of course, the working position may further be set to be within 3 mm from the outer contour of the roller brush 310 extending toward the axis of the roller brush 310 and within 3 mm from the outer contour of the roller brush 310 extending away from the axis of the roller brush 310, which can further minimize the damage to the roller brush 310.
Specifically, the working position is set on the outer contour of the roller brush 310 and does not contact the outer contour of the roller brush 310, that is, the working position is close to the outer contour of the roller brush 310, but needs to keep a certain distance from the outer contour of the roller brush 310. This can effectively prevent bristles on the roller brush 310 from being cut off, thereby ensuring no damage to the roller brush 310. For example, the working position may be set to be between 3 mm from the outer contour of the roller brush 310 extending away from the axis of the roller brush 310 and 10 mm from the outer contour of the roller brush 310 extending away from the axis of the roller brush 310.
In an embodiment, the driving unit includes a feed driver. The feed driver is connected to the feeder 120 and drives the feeder 120 to move at least between the pick-up position and the working position so as to pull the tangles on the roller brush from the pick-up position to the working position. The sharpness of the feeder 120 is lower than the sharpness of the part of the cutter 130 that cuts the tangles. It can be understood that in this embodiment, the feeder 120 plays a pushing role to push the tangles onto the cutter 130, and the cutter 130 has an independent function of cutting off the tangles. The feeder 120, when hooking the tangles on the roller brush, may contact sweeping members such as bristles and rubber brushes on the roller brush. An excessively sharp feeder 120 may damage the sweeping members on the roller brush, resulting in a decline in the sweeping ability of the roller brush. Specifically, referring to
In an embodiment, referring to
It should be noted that the cutting portion 121 may be designed as a cutting edge structure, and in this case, the tangles will be cut by the sharp parts from the upper and lower sides at the same time. Of course, the cutting portion 121 may also be designed as a blunt structure, and in this case, the cutting portion 121 plays a pushing role to push the tangles onto the cutting blade 131 such that the tangles are cut off on the cutting blade 131. That is, during cutting, the tangles are pushed from one side and cut from the other side.
In other embodiments, referring to
In an embodiment, referring to
In an embodiment, the feed driver is connected to the feeder 120 and drives the feeder 120 to reciprocate between the pick-up position and the working position, and a frequency of the movement of the feeder 120 is smaller than a frequency of the relative reciprocation of the first shearing member 133 and the second shearing member 134. This can ensure the tangles hooked off by the feeder 120 to be effectively sheared by the first shearing member 133 and the second shearing member 134.
In an embodiment, the first shearing member 133 and the second shearing member 134 reciprocate relative to each other in a horizontal direction, so that the first shearing member 133 and the second shearing member 134 have an effective cutting range in the horizontal direction, and within the effective cutting range, the first shearing member 133 and the second shearing member 134 can shear off the tangles. The feed driver drives the feeder 120 to generate a displacement in a horizontal direction. The displacement generated by the feeder 120 in the horizontal direction is within an effective shearing range. “The feeder 120 generates a displacement in the horizontal direction” means that when the feeder 120 moves to hook the tangles, it not only hooks the tangles along a single vertical direction, but also generates a displacement in the horizontal direction. The feeder 120 moves along this trajectory, which can effectively improve the efficiency of hooking the tangles. “The displacement generated by the feeder 120 in the horizontal direction is within an effective shearing range” means that the movement range of the feeder 120 in the horizontal direction does not exceed the effective shearing range of the first shearing member 133 and the second shearing member 134 in the horizontal direction. This can ensure all the tangles hooked off by the feeder 120 to be sheared by the first shearing member 133 and the second shearing member 134, thereby avoiding missing.
In an embodiment, referring to
When the feeder 120 moves to the lowest position, a height difference h2 between the tangles hooked off by the feeder 120 and the effective shear line 1361 is greater than 0.5 mm and smaller than 5 mm. If the height difference is too small, the cutting effect will be affected. If the height difference is too large, the movement stroke of the feeder 120 will be increased, so that the entire cleaner will need to occupy more space in the base station when being mounted into the base station, causing a waste of space and further increasing the volume of the base station.
When the feeder 120 moves to the lowest position, a transverse distance h3 is formed between the tangles hooked off by the feeder 120 and the effective shear line 1361, and the transverse distance h3 is smaller than the height difference h2 between the tangles hooked off by the feeder 120 and the effective shear line 1361 when the feeder 120 moves to the lowest position. If the transverse distance h3 is too large and even greater than the height difference h2 between the tangles hooked off by the feeder 120 and the effective shear line 1361 when the feeder 120 moves to the lowest position, then the first shearing member 133 and the second shearing member 134 still cannot cut the tangles hooked off by the feeder 120, which affects the cutting effect.
In an embodiment, cleaner 100 includes a clearing controller. The clearing controller is connected to the feeder 120 and the cutter 130. When the cleaner starts, the clearing controller controls the cutter 130 to start prior to the feeder 120. When the cleaner finishes clearing, the clearing controller controls the feeder 120 to stop operation prior to the cutter 130. Specifically, when the cleaner 100 clears the tangles on the roller brush, the clearing controller controls the cutter 130 to start first, and after a first preset time, controls the feeder 120 to start. The first preset time is 0.1 s or more. For example, the first preset time may be between 0.1 s and 3 s. Since the cutter 130 starts prior to the feeder 120, the tangles hooked off by the feeder 120 can be sufficiently cut by the cutter 130, thereby improving the cutting efficiency of the cutter 130. When the cleaner 100 finishes clearing, the clearing controller controls the feeder 120 to stop working, and after a second preset time, controls the cutter 130 to stop working. For example, the second preset time is 0.1 s or more. For example, the second preset time may be between 0.1 s and 3 s. Similarly, the cutter 130 stops working after the feeder 120, so that the tangles hooked off by the feeder 120 can be sufficiently cut by the cutter 130, thereby improving the cutting efficiency of the cutter 130.
The cutting member 136 is provided as a single blade; or the cutting member 136 includes two or more blade sections. The two or more blade sections are spliced side by side. Therefore, the cutting member may be designed as a single blade structure, i.e., a continuous and complete blade structure, or as a spliced structure, which is formed by splicing by two or more blade sections. When the cutting member 136 is designed as a spliced structure, during the machining, a “break up the whole into parts” strategy is employed, i.e., the blade sections with smaller machining dimensions are machined instead of the cutting member 136 with larger machining dimensions, which reduces the machining accuracy and difficulty of the blade.
The first shearing member 133 and/or the second shearing member 134 are/is provided as a single blade; or the first shearing member 133 and/or the second shearing member 134 include/includes two or more blade sections. Therefore, the first shearing member 133 and the second shearing member 134 may each be provided as a single blade, i.e., a continuous and complete blade structure, or as a spliced structure, which is formed by splicing by two or more blade sections; or any of the first shearing member 133 and the second shearing member 134 may be provided as a single blade, and the other is provided as a spliced structure. In this embodiment, referring to
In an embodiment, referring to
Specifically, referring to
In an embodiment, referring to
Still referring to
Further, referring to
It should be noted that the shape of the outer arc surface 1221 may be designed in various ways, but at least a part of the outer arc surface 1221 needs to be arch-shaped. Similarly, the shape of the inner arc surface 1222 may also be designed in various ways, but at least a part of the inner arc surface 1222 needs to be recessed.
Further, still referring to
In an embodiment, referring to
Further, a horizontal transverse distance h3 perpendicular to a height direction is formed between the feeder 120 and the lower point 1332, and the horizontal transverse distance h3 is in a range of 0-3 mm. For similar reasons, the cutter needs to be close to the feeder in the horizontal transverse direction in order to effectively shear the tangles hooked off by the feeder.
In an embodiment, referring to
0<d1<r, and 0<d2<d3−r. It should be noted that the roller brush 310 may be located directly above the feeder 120 or on a side above the feeder 120. If the distance between the lower point 1332 and the first plane T2 exceeds the radius r of the roller brush 310, then no matter whether the feeder is located directly below or on a side below the roller brush 310, even if the tangles are pulled to an extremely low position, the lower point 1332 cannot contact the tangles and the tangles cannot be sheared off. d3−r refers to the distance between the top of the inner arc surface and the outer circumference of the roller brush 310. The lower point 1332 is higher than the top of the inner arc surface. d2<d3−r means that in the height direction, the lower point 1332 is located between the lowest point of the outer circumference of the roller brush 310 and the top of the inner arc surface, so as to ensure the cutter to cut the tangles in the vertical direction and prevent the cutter from contacting the roller brush 310 and damaging the roller brush 310. When the positional relationship between the roller brush 310 and each component of the cleaner conforms to the above formula, the first shearing member 133 and the second shearing member 134 can effectively shear the tangles hooked off from the roller brush 310 by the feeder. The specific principle is as follows:
The outer circumference of the roller brush 310 has a tangent plane T1. The tangent plane T1 passes through the top of the inner arc surface, and the tangent plane T1 and the first plane T2 form an included angle b. The heights of the tops of the first shearing member 133 and the second shearing member 134 are different, and the lower one of the two tops is a lower point 1332. The lower point 1332 and the top of the inner arc surface form a connection surface T3, and the first plane T2 and the connection surface T3 form an included angle a. It can be understood that the above tangent plane T1 may be regarded as the hair hooked off from the roller brush 310 by the feeder, and the included angle b represents the relative positional relationship between the cutter 130 and the feeder 120. When the included angle a is smaller than the included angle b, the lower point 1332 can contact the tangent plane T1, i.e., the tangles, so that the tangles can be sheared off. When the included angle a is greater than the included angle b, the lower point cannot contact the tangles, so that the tangles cannot be sheared off. According to the Pythagorean theorem,
in the above formula may represent the included angle a, and r/d3 in the above formula may represent the included angle b. ∠a<∠b is
In an embodiment, referring to
For example, a cutting gap is formed between every two of the multiple first shearing segments of the first shearing member 133, and the displacement of the first shearing member 133 moving relative to the second shearing member 134 is smaller than the cutting gap. In this way, the first shearing member 133 will not interfere with the second shearing member 134 during the movement process, which prevents the first shearing segments of the first shearing member from colliding with the second shearing member.
In another embodiment, the hooking structure is provided as a bidirectional hooking structure. The hooking structure 126 includes a base portion 1263, and a first hook portion 1261 and a second hook portion 1262 that are connected to two opposite sides of the base portion 1263. The first hook portion 1261 and the second hook portion 1262 hook off the tangles during the movement process of the feeder 120. The sharpness of the first hook portion 1261 and/or the second hook portion 1262 is lower than the sharpness of the part of the cutter 130 that cuts the tangles. This prevents the first hook portion 1261 and/or the second hook portion 1262 from being too sharp and damaging the roller brush.
Further, the cleaner further includes a feed driver. The feed driver is connected to the feeder 120 and drives the feeder 120 to make a reciprocating circular movement along a clockwise direction and/or a counterclockwise direction. When the feeder 120 makes the reciprocating circular movement along the clockwise direction, the first hook portion 1261 hooks off the tangles on the roller brush. When the feeder 120 makes the reciprocating circular movement along the counterclockwise direction, the second hook portion 1262 hooks off the tangles on the roller brush. The feed driver can drive the feeder 120 to make the circular movement along both the clockwise direction and the counterclockwise direction, so that the first hook portion 1261 and the second hook portion 1262 opposite to each other can hook the tangles from two directions, which effectively prevents the tangles from being missed when hooked from one direction and improves the efficiency of hooking off the tangles.
For example, referring to
Further, referring to
Still referring to
In an embodiment, referring to
Further, in the length direction 1 of the feeder 120, at least one hooking structure 126 at the edge of each end of the feeder 120 is narrower than the other hooking structures 126 in the middle area. One or more hooking structures 126 at the outermost edge of each end of the feeder 120 are narrower than the other hooking structures 126. The roller brush is mounted at a bottom of the robot cleaner. A bottom surface of the robot cleaner is provided with a roller brush cover plate for preventing the roller brush from exposure. The feeder 120 makes a circular movement when working. The two hooking structures 126 at the edges of the two ends of the feeder 120 are narrower than the other hooking structures 126, so that the hooking structures 126 can be closer to the edges of the roller brush without interfering with the roller brush cover plate of the robot cleaner.
For example, the hooking structures 126 are made of an elastic material, such as rubber. The elastic hooking structures 126 can minimize the damage to the roller brush when contacting the bristles or rubber strips on the roller brush.
In an embodiment, the first hook portion 1261 and/or the second hook portion 1262 are/is provided as a blunt structure. In this case, the first hook portion 1261 and the second hook portion 1262 play a pushing role to push the tangles onto the cutting member 136 of the cutter 130 such that the tangles are cut off on the cutting member 136. That is, during cutting, the tangles are pushed from one side and cut from the other side.
In an embodiment, referring to
Referring to
In an embodiment, referring to
As a specific implementation, referring to
It should be noted that one or more transmission wheels 129 may be provided. When multiple transmission wheels 129 are provided, the first motor may be fitted with the multiple transmission wheels 129 at the same time. For example, the output of the first motor is transmitted to the multiple transmission wheels 129 through a transfer chain or multiple sets of transmission gears 1292. Of course, the first motor may also be fitted with only one transmission wheel 129 to drive one of the transmission wheels 129 to rotate, and the other transmission wheels 129 are equivalent to the limits to the motion trajectory of the feeder 120 so as to ensure the feeder 120 to have multiple force receiving points, so that the feeder 120 can move more steadily. Moreover, the multiple transmission wheels 129 jointly act on the feeder 120, which can ensure the feeder 120 to be always in a parallel up-down movement state (similar to the movement of a parallelogram mechanism) during the movement. In addition, the transmission wheel 129 is driven by the first motor to rotate, and the direction of rotation should be consistent with an extending direction of the first hook portion 1261 or the second hook portion 1262. For example, when the transmission wheel 129 is driven by the first motor to rotate clockwise, the hooking structure 126 is driven to make a circular movement along the clockwise direction, and in this case, the first hook portion 1261 can hook off the tangles. When the transmission wheel 129 is driven by the first motor to rotate counterclockwise, the hooking structure 126 is driven to make a circular movement along the counterclockwise direction, and in this case, the second hook portion 1262 can hook off the tangles.
Specifically, still referring to
As another specific implementation, referring to
It should be noted that two or more transmission wheels 129 may be provided. The two or more transmission wheels 129 are arranged at intervals along the length direction 1 of the feeder 120. For example, distances from the two transmission wheels 129 supported at two ends of the synchronous belt 1293 to the two ends of the feeder 120 in the length direction 1 are respectively 11 and 12. Referring to
In an embodiment, the feeder 120 includes a hook rack 127. The hooking structures 126 are mounted on the hook rack 127, and the driving hole 1271 is provided in the hook rack.
In an embodiment, the cleaner further includes a shearing drivier (not shown). The shearing drivier is connected to the cutting member 136 to drive the first shearing member 133 and the second shearing member 134 to reciprocate, so as to shear off the tangles. It can be understood that the cutting member 136 and the feeder 120 are driven to move respectively by different driving units and do not interfere with each other.
In another embodiment, the shearing drivier and the feed driver at least partially have a same structure. The cutter 130 and the feeder 120 are driven by the same driving unit, i.e., the cutter 130 and the feeder 120 are driven by the same motor 111, and the motor is connected to the cutter 130 and the feeder 120 through different transmission structures and drives the cutter 130 and the feeder 120 to move respectively through different transmission structures 162. Specifically, referring to
In an embodiment, when the cleaner starts, the operation start time of the cutter 130 is earlier that of the feeder 120. When the cleaner stops working, the operation stop time of the cutter 130 is later than that of the feeder 120. This can ensure the tangles hooked off by the feeder 120 to be effectively cut. Specifically, when the cleaner starts, the operation start time of the cutter 130 is 0.1 s earlier that of the feeder. The operation stop time of the cutter 130 is 0.1 s later than that of the feeder.
On the basis of any of the above embodiments, referring to
It should be noted that in order to improve the pulling effect of the tangles, the hair hooking portion 122 may be provided as an inclined bent structure, i.e., the hair hooking portion 122 is inclined toward one direction, and bends and extends on the feeder 120.
It should also be noted that this application provides at least two cleaners 100 in terms of the cutting mode of the tangles: I. the feeder 120 and the cutter 130 are fitted to cut the tangles, for example, the feeder 120 is provided with the cutting portions 121, and the cutter 130 includes the cutting blade 131; and II. the cutter 130 has the independent cutting function, for example, the cutter 130 includes the cutting member 136. For the above two cleaners 100, the features of the hair hooking portion 122 of this embodiment are applicable to the feeders 120 of both of the two cleaners 100.
In an embodiment, referring to
Further, referring to
Further, when the hair hooking portion 122 extends inclinedly, referring to
Further, referring to
It should be noted that the shape of the outer arc surface 1221 may be designed in various ways, but at least a part of the outer arc surface 1221 needs to be arch-shaped. Similarly, the shape of the inner arc surface 1222 may also be designed in various ways, but at least a part of the inner arc surface 1222 needs to be recessed.
In order to improve the cutting effect, the inner arc surface 1222 may be closely attached to a cutting edge 1311 on the cutting blade 131. In addition, “the outer arc surface 1221 is configured to at least guide the tangles” should be understood as that in addition to the function of guiding the tangles, the outer arc surface 1221 also has a function of pushing away the structures on the outer contour of the roller brush 310. For example, when the hair hooking portion 122 moves towards the pick-up position, the outer arc surface 1221 may guide the tangles and also push away the bristles or rubber on the roller brush 310.
Further, referring to
Further, referring to
In one embodiment, the cutting portion 121 is arranged on a side of the hair hooking portion 122 facing the hook groove 123. Since the cutting portion 121 is arranged on the side of the hair hooking portion 122 facing the hook groove 123 (i.e., the inner side of the hair hooking portion 122), when the tangles are pulled to the working position, the tangles can be quickly cut under the action of the cutting portion 121 and the cutting blade 131, so as to be cut off effectively and quickly.
Further, the cutting portion 121 is arranged on the inner arc surface 1222. When the feeder 120 moves towards the working position, i.e., when the feeder 120 moves downwards, the tangles are pulled by the inner arc surface 1222 onto the cutting edge 1311 of the cutting blade 131 and are cut off.
Further, referring to
For example, “the two or more feed sections 1223 sequentially move into the working position” may be implemented by: designing the two or more feed sections 1223 on the inner arc surface 1222 to have different heights; or sequentially splicing the two or more feed sections 1223 according to a certain slope.
Specifically, referring to
It should be noted that “the at least two feed sections 1223 are different in position in the reference direction” should be understood as that only two of the feed sections 1223 need to have different heights, and the other feed sections 1223 may have the same height or different heights. In addition, when all the feed sections 1223 are at different height positions, i.e., when all the feed sections 1223 are different in position, the height positions of the feed sections 1223 may sequentially decrease or increase along the length direction of the inner arc surface 1222; or the height positions of the feed sections 1223 vary irregularly along the length direction of the inner arc surface 1222, for example, in the length direction of the inner arc surface 1222, the height position of one feed section 1223 is higher than the height position of the previous feed section 1223, and lower than the height position of the next feed section 1223.
Specifically, referring to
In an embodiment, referring to
It should be noted that many options for the shape design of the blocking portion 1224 are provided, for example, the blocking portion 1224 may be designed into a shape of a cylinder, a cube, a cone or the like, which is not specifically limited in this embodiment, as long as the blocking portion can block the tangles from sliding out of the feed section 1223.
Specifically, referring to
In an embodiment, referring to
Of course, in another embodiment, referring to
In an embodiment, referring to
It should be noted that the cutting edge 1311 on the cutting blade 131 may be designed as a complete inclined section or multiple inclined sections designed at intervals. Of course, inclination directions of the multiple inclined sections may be the same or opposite, for example, the cutting edge 1311 of the cutting blade 131 may be inclined in the form of being higher at two ends and lower in the middle, or lower at two ends and higher in the middle, or the like.
In another embodiment, at least two sections of the cutting edge 1311 on the cutting blade 131 are different in height in the height direction of the cutting blade 131. When the feeder 120 pulls the tangles onto the cutting blade 131, the higher cutting edge 1311 first comes into contact with the tangles and cuts off the tangles. Next, as the feeder 120 continues moving, the tangles sequentially pass through the cutting edge 1311 with different heights so as to be cut off.
In an embodiment, referring to
It should be noted that the blade sections 1241 may be spliced and fixed directly, for example, the blade section 1241 and the blade section 1241 are connected by a clamping structure; or the blade section 1241 and the blade section 1241 are connected by a bolt; or the blade section 1241 and the blade section 1241 are connected by a pin joint. Of course, the blade sections 1241 may also be spliced and fixed indirectly. For example, the blade section 1241 and the blade section 1241 are respectively fixed to an intermediate structure, thereby completing the splicing and fixation between the blade sections 1241.
Further, referring to
For example, the fixing member 1242 and the feed section 1223 may be fixed by a bolt, a pin joint or clamping. Moreover, the first elastic member 1243 may be, but not limited to, a spring, an elastic metal sheet, elastic rubber or the like.
It should be noted that one, two or more first elastic members 1243 may be provided. When one first elastic member 1243 is provided, all the blade sections 1241 abut against the fixing member 1242 through the first elastic member 1243. When two or more first elastic members 1243 are provided, there are multiple arrangement relationships between the first elastic members 1243 and the blade sections 1241. For example, the first elastic members 1243 are arranged in one-to-one correspondence to the blade sections 1241, i.e., one blade section 1241 abuts against the fixing member 1242 through one first elastic member 1243; or the first elastic members 1243 are arranged in one-to-many correspondence to the blade sections 1241, i.e., multiple blade sections 1241 abut against the fixing member 1242 through one first elastic member 1243.
Further, referring to
On the basis of any of the above embodiments, referring to
Further, referring to
It should be noted that in order to make the feeder 120 and the cutter 130 to be pressed against each other and to move relative to each other, the connecting mechanism 140 may be designed as a combination structure of a bolt or screw and a spring. For example, the bolt or screw runs through the feeder 120 and the cutter 130, and the spring is sleeved over the bolt or screw and abuts against the feeder 120 or the cutter 130. For example, the connecting mechanism 140 may also be designed as a pair of magnets with opposite poles, and the feeder 120 and the cutter 130 are pressed against each other under the action of the mutual attraction of the magnets. In this case, lubrications or balls need to be added between the feeder 120 and the cutter 130 to ensure a stable relative movement between the feeder and the cutter. Of course, the connecting mechanism 140 may also be designed as other structures, as long as the feeder 120 and the cutter 130 can be pressed against each other and move relative to each other.
Further, referring to
Therefore, during the cutting, the motor 111 is started to drive the rotating portion 1121 on at least one cam 112 to rotate around its axis. After the rotating portion 1121 rotates, the transmission shaft 1122 is driven to make a centrifugal rotation. In this case, the transmission shaft 1122 is fitted with the driving hole 125 to drive the feeder 120 to move at least between the pick-up position and the working position relative to the cutter 130, so as to complete the pulling and cutting action on the tangles. Since the second elastic member 141 is connected to the part of the transmission shaft 1122 extending out of the driving hole 125 and abuts against the feeder 120, under the action of the second elastic member 141, the feeder 120 is not only closely attached to the cutter 130, but also movable relatively on the cutter 130, thereby ensuring the stable operation of the cutting. The second elastic member 141 may be, but not limited to, a spring, an elastic rubber sleeve or the like. Moreover, the fit between the driving hole 125 and the transmission shaft 1122 can not only ensure the transmission shaft 1122 to drive the feeder 120 to move through the fit with the driving hole 125, but also keep a certain tolerance with the driving hole 125, thereby avoiding over-positioning of the feeder 120.
It should be noted that one or more cams 112 may be provided. When multiple cams 112 are provided, the motor 111 may be fitted with the multiple cams 112 at the same time. For example, the output of the motor 111 is transmitted to the multiple cams 112 through a transfer chain or multiple sets of transmission gears. Of course, the motor 111 may also be fitted with only one cam 112 to drive one of the cams 112 to rotate, and the other cams 112 are equivalent to the limits to the motion trajectory of the feeder 120 so as to ensure the feeder 120 to have multiple force receiving points, so that the feeder 120 can move more steadily. Moreover, the multiple cams 112 jointly act on the feeder 120, which can ensure the feeder 120 to be always in a parallel up-down movement state (similar to the movement of a parallelogram mechanism) during the movement. In addition, the cam 112 is driven by the motor 111 to rotate, and the direction of rotation should be consistent with an extending direction of the hair hooking portion 122.
Specifically, referring to
It should also be noted that the second elastic member 141 may be connected to the transmission shaft 1122 in a variety of ways. For example, one end of the second elastic member 141 is fixed by a nut or a cap nut, or fixed by a pin or a rivet, or directly fixed by bonding or welding.
Specifically, referring to
In an embodiment, referring to
In an embodiment, referring to
In an embodiment, referring to
In an embodiment, referring to
The cleaner 100 of this embodiment is substantially similar to the cleaner 100 described above in structure, only except that part of the tangles, such as pet hair, can be pulled by the feeder 120 to be completely separated from the roller brush 310. In this way, the separated tangles can be cleared without being cut by the cutter 130. Similarly, since the distance between the working position and the axis of the roller brush 310 is greater than the distance between the pick-up position and the axis of the roller brush 310, i.e., the working position is further away from the roller brush 310 relative to the pick-up position, during cutting, the cutter 130 will keep a certain distance from the pick-up position of the tangles, which prevents the cutter 130 from being too close to the roller brush 310 and easily damaging the structure of the roller brush 310. Therefore, the damage to the roller brush 310 is minimized while effective cutting is realized.
It should be noted that the features of the cleaner 100 in any of the above embodiments are applicable to the cleaner 100 of this embodiment, and thus, will not be repeated in this embodiment.
In an embodiment, referring to
In an embodiment, multiple guide members 35 may be provided. For example, three or more guide members 35 are arranged on each end of the roller brush assembly in the length direction 13, and the three or more guide members 35 have better supporting and guiding effect on the tangles. Specifically, referring to
In an embodiment, referring to
Further, a joint of the guide surface 352 and the support surface 351 has a smooth transition. In this way, the tangles can be effectively guided from the guide surface 352 to the support surface 351.
In an embodiment, the guide member 35 includes a support surface 351. The support surface 351 is provided as a flat surface, and the flat surface supports the tangles on a surface thereof.
In an embodiment, the guide member 35 includes a guide surface 352. The guide surface 352 is provided as an arc surface, an inclined straight surface or a combination of an arc surface and an inclined straight surface. The arc surface or the inclined straight surface guides the tangles away from the connector 31. When the guide surface 352 is provided as an inclined straight surface, the inclined straight surface forms an included angle ranging from 10° to 60° with the horizontal plane. If the included angle between the inclined straight surface and the horizontal plane is too small, the guiding effect on the tangles will be poor. If the included angle is too large, the tangles will be guided into the sweeping members of the roller brush, and the tangles will be too close to the roller shaft 32 to be cleared. The guide member 35 with the included angle within this range not only has a good guiding effect, but also prevents the tangles from falling into the sweeping members of the roller brush and being too close to the roller shaft 32, making it difficult to remove the tangles from the roller shaft 32. For example, the included angle between the inclined straight surface and the horizontal plane is 140 to 45°.
In an embodiment, the sweeping members of the roller brush include bristles 33 and/or rubber strips 34. Two or more rows of the bristles 33 and/or the rubber strips 34 are provided and mounted on the roller shaft 32 in the length direction 13 of the roller brush assembly. The bristles 33 and/or the rubber strips 34 are uniformly distributed in the circumferential direction of the roller shaft 32. Specifically, referring to
For example, the guide member 35 has a preset minimum outer diameter at a position away from the connector 31 and a preset maximum outer diameter at a position close to the connector 31, and the preset maximum outer diameter of the guide member 35 is smaller than a maximum outer diameter of the bristles 33 and/or the rubber strips 34. It can be understood that “the preset maximum outer diameter of the guide member 35 is smaller than a maximum outer diameter of the bristles 33 and/or the rubber strips 34” means that the height of the guide member 35 is smaller than the length of the bristles 33 or the rubber strips 34 This prevents the guide members 35 from interfering with the surface to work on when the roller brush assembly 3 works. The preset maximum outer diameter of the guide member 35 is greater than the preset minimum outer diameter. By arranging the guide member 35 in such a way, the guide member 35 can function not only to guide the tangles, but also to support the tangles.
For example, the height of the bristles 33 close to the connector 31 is smaller than the height of the bristles 33 away from the connector 31. The height of the rubber strips 34 close to the connector 31 is smaller than the height of the rubber strips 34 away from the connector 31. The height of the bristles 33 close to the connector 31 is smaller than the preset maximum outer diameter of the guide member 35. The height of the rubber strips 34 close to the connector 31 is smaller than the preset maximum outer diameter of the guide member 35. The height of the bristles 33 and the height of the rubber strips 34 close to the connector 31 are smaller than the preset maximum outer diameter of the guide member 35, which prevents the bristles 33 or the rubber strips 34 from raising the tangles, causing the failure of the guide member 35. With this arrangement, the guide member 35 can better exert its guiding and supporting effect functions.
In an embodiment, the roller brush assembly 3 further includes a roller brush casing 30 and a roller brush cover plate 37. The roller brush is accommodated and mounted in the roller brush casing 30. Referring to
In an embodiment, a cleaning combination includes the cleaner in any of the above embodiments and a roller brush assembly 3. The cleaner clears the tangles entangled on the roller brush, thereby reducing manual maintenance.
Further, the guide member 35 has a preset minimum outer diameter at a position away from the connector 31 and a preset maximum outer diameter at a position close to the connector 31, and the preset maximum outer diameter of the guide member 35 is greater than the preset minimum outer diameter. The feeder has a maximum pick-up position when moving to the pick-up position. When the cleaner clears the tangles on the roller brush, the preset minimum outer diameter of the guide member 35 is smaller than a preset distance of the maximum pick-up position of the feeder, which ensures the feeder to effectively hook the tangles supported on the guide members 35. Further, the preset distance is set between 1 mm and 5 mm.
In an embodiment, referring to
In an embodiment, referring to
For example, a positioning column (not shown) for positioning the cleaner 100 is further arranged in the mounting groove 211, and the cleaner 100 has a positioning groove (not shown) fitted with the positioning column; or the positioning column may be arranged on the cleaner 100, and the positioning groove is arranged in the mounting groove 211. The base station further includes a cover plate 212 covering the cleaner 100 and used for opening or closing the mounting groove 211. The cover plate 212 is provided with fasteners 214, and the mounting groove 211 is provided with clamping grooves 213 fitted with the fasteners 214. The cover plate 212 is connected above the mounting groove 211 through the fasteners 214 and the clamping grooves 213. The cover plate 212 includes a notch 215, and the feeder at least partially extends from or retracts into the bottom wall through the notch 215.
The above base station is used in combination with the robot cleaner 300. When the robot cleaner 300 travels into the working chamber 210, the driving unit 110 is utilized to drive the feeder 120 to move to the pick-up position, and then to the working position from the pick-up position, so that the tangles on the roller brush 310 are pulled to the working position. If the tangles can be separated from the roller brush 310 under the action of the feeder 120, then the tangles can be cleared away without cutting. If part of the tangles cannot be completely separated from the roller brush 310, then the cleaner 100 needs to be provided with the cutter 130. When the tangles are pulled to the working position, the cutter 130 cuts the tangles such that the roller brush 310 is effectively cleared. Therefore, the cutting mode of the cleaner 100 is to pull the tangles first and then cut the tangles, which can ensure the tangles that adhere to the roller brush 310 in clusters to leave the roller brush 310 in time after the tangles are cut off such that the tangles can be effectively cleared away. Since the distance between the working position and the axis of the roller brush 310 is greater than the distance between the pick-up position and the axis of the roller brush 310, i.e., the working position is further away from the roller brush 310 relative to the pick-up position, during cutting, the cutter 130 will keep a certain distance from the pick-up position of the tangles, which prevents the cutter 130 from being too close to the roller brush 310 and easily damaging the structure of the roller brush 310. Therefore, the damage to the roller brush 310 is minimized while effective cutting is realized.
Further, referring to
Further, referring to
In an embodiment, referring to
In an embodiment, after the tangles (e.g., hair) of the roller brush 310 are cut off, the roller brush 310 may rotate a certain angle, and the cleaner 100 may continue cutting the tangles at this angle. This process may be repeated until the tangles entangled on the roller brush 310 are thoroughly cleared away.
In an embodiment, referring to
In an embodiment, referring to
The base station 20 includes: a cleaner 100, configured to clear away tangles 36 on the roller brush. The controller controls the roller brush to stop at a first preset phase P1 and directly or indirectly controls the cleaner to clear away the tangles on the roller brush when receiving a signal indicating that the roller brush assembly stops at the first preset phase. The controller controls the roller brush to rotate and stop at one or more phases different from the first preset phase P1 and directly or indirectly controls the cleaner 100 to clear away the tangles 36 on the roller brush respectively at the phases where the roller brush stops. The working state of the vacuum cleaner refers to the state in which the vacuum cleaner cleans the surface to work on. The maintenance state of the vacuum cleaner refers to the state in which the vacuum cleaner docks at the base station for maintenance. The tangles are usually entangled all around the roller brush. When the cleaner 100 clears the roller brush at a single phase, the roller brush still has a large adhesion to the tangles, so it is probably impossible to effectively clear away the tangles from the roller brush. In response to the roller brush in different phases, the cleaner 100 can clear away the tangles on the roller brush many times, which has a better clearing effect. It should be noted that the vacuum cleaner may be a self-moving robot cleaner, a hand-held vacuum cleaner or the like. In the present disclosure, the vacuum cleaner is described as a robot cleaner. It should also be noted that the cleaner and base station can communicate by electromagnetic communication means, such as WIFI (Wireless-Fidelity), Bluetooth, UWB (Ultra Wideband) and mobile cellular network, and other communication means, such as sonar and laser. The controller indirectly controlling the cleaner may be that the vacuum cleaner and the base station communicate with each other to indirectly control the cleaner to start or stop. The controller indirectly controlling the cleaner may be that the vacuum cleaner is electrically connected to the base station when docking at the base station such that the controller directly controls the cleaner to start or stop.
Further, the vacuum cleaner further includes a detector. The detector is configured to detect the phase of the roller brush assembly. The detector is connected to the controller and transmits the signal about the phase to the controller. For example, the robot cleaner 10 includes a sensor, an encoder or a mechanical switch, which is connected to the controller and configured to detect the phase of the roller brush. The sensor may be a magnetic flux sensor, a position sensor, etc., and may also be a coded disk, etc.
Further, after the cutter is started for a preset time, the controller determines that the cleaner has completed clearing the roller brush at one phase. The preset time is 15-20 s. The preset time is set such that the cutter can effectively cut off the tangles while the cutter will not operate too long so as to disturb the user.
For example, referring to
The cleaner 100 in the vacuum cleaner system may be the cleaner 100 in any of the above embodiments.
The roller brush assembly in the vacuum cleaner system may be the roller brush assembly in any of the above embodiments.
In an embodiment, referring to
For example, when the roller brush stops at the preset phase, the feeder 120 hooks the tangles 36 on the roller brush, and in the length direction of the roller brush, a total length of the feeder 120 crossing the sweeping members is smaller than a first preset length. For example, the preset phase may be the first preset phase P1, and the first preset length may be 0 CM-5 CM. Further for example, when the roller brush stops at the preset phase and the feeder 120 moves to the pick-up position, two ends of the feeder are close to two ends of the V shape of the sweeping members. With this arrangement, when the feeder 120 moves to hook the tangles 36 on the roller brush, the bristles 33 on the roller brush can be avoided as much as possible, which prevents the feeder 120 from damaging the bristles 33 and also prevents the feeder 120 from pushing the tangles 36 deep into the bristles 33, making the tangles more difficult to clear away. When the roller brush stops at the first preset phase P1, the feeder 120 hooks the tangles 36 on the roller brush, and the total length of the feeder 120 crossing the rubber strips 34 is smaller than a second preset length. Similarly, with this arrangement, when the feeder 120 moves to hook the tangles 36 on the roller brush, the rubber strips 34 on the roller brush can be avoided as much as possible, which prevents the feeder 120 from damaging the rubber strips 34 and also prevents the feeder 120 from pushing the tangles 36 to the depth close to the roller shaft 32, making the tangles more difficult to clear away. Specifically, the first preset length may be smaller than the second preset length. When the feeder 120 hooks the tangles 36 on the roller brush, the total length of the feeder 120 crossing the bristles 33 may be smaller than the total length of the feeder crossing the rubber strips 34. This is because compared with the rubber strips 34, the tangles 36 entangled on the bristles 33 are more likely to extend into gaps between the bristles 33 and are more difficult to clear away. Therefore, for example, the feeder 120 crosses and contacts the bristles 33 less.
In an embodiment, the roller brush further includes guide members 35 distributed at two ends of the roller shaft 32 in a length direction along a circumferential direction of the roller shaft 32. Each end of the roller shaft 32 is at least provided with two or more of the guide members 35 to support the tangles entangled on the roller brush such that the tangles are away from the outer periphery of the roller shaft 32 when being entangled on the roller brush. The tangles are away from the outer periphery of the roller shaft 32, so that the feedercan hook the tangles entangled on the roller brush conveniently. Further, two or more rows of the sweeping members are provided, and the guide member is arranged between every two adjacent sweeping members. Specifically, the guide member 35 is arranged between the row of bristles 33 and the rubber strip 34 that are adjacent to each other, or between the two adjacent rows of bristles 33, or between the two adjacent rubber strips 34. The first preset phase P1 is between the two guide members 35. When the roller brush is provided both the bristles 33 and the rubber strips 34, the guide member 35 is arranged between the row of bristles 33 and the rubber strip 34 that are adjacent to each other. When the roller brush is only provided with the bristles 33, the guide member 35 is arranged between the two adjacent rows of bristles 33. When the roller brush is only provided with the rubber strips 34, the guide member 35 is arranged between the two adjacent rubber strips 34. With this arrangement, the guide members 35 are fitted with the bristles 33 or the rubber strips 34, which has a better supporting effect on the tangles.
In an embodiment, the vacuum cleaner system further includes a clearing controller. The clearing controller is connected to the feeder 120 the cutter 130. When the cleaner 100 clears away the tangles on the roller brush, the clearing controller controls the cutter 130 to start first. A first preset time after the clearing controller controls the cutter 130 to start, the clearing controller controls the feeder 120 to start. The first preset time is 0.1 s or more. For example, the first preset time may be between 0.1 s and 3 s. Since the cutter 130 starts prior to the feeder 120, the tangles hooked off by the feeder 120 can be sufficiently cut by the cutter 130, thereby improving the cutting efficiency of the cutter 130. Further, when the cleaner 100 finishes clearing, the clearing controller controls the feeder 120 to stop working prior to the cutter 130. A second preset time after the clearing controller controls the cutter 130 to stop working, the clearing controller controls the cutter 130 to stop working. For example, the second preset time is 0.1 s or more. For example, the second preset time may be between 0.1 s and 3 s. Similarly, the cutter 130 stops working after the feeder 120, so that the tangles hooked off by the feeder 120 can be sufficiently cut by the cutter 130, thereby improving the cutting efficiency of the cutter 130.
In an embodiment, when the controller controls the roller brush assembly 3 to rotate, the feeder 120 is away from the roller brush and is located outside a maximum outer diameter of the roller brush. This prevents the feeder 120 from interfering with the roller brush and damaging the rubber strips 34 or the bristles 33 when the roller brush rotates. The cutter 130 is arranged outside the maximum outer diameter of the roller brush. This can effectively prevent the cutter 130 from cutting the bristles 33 and/or the rubber strips 34 when cutting the tangles on the roller brush.
In an embodiment, referring to
In an embodiment, the vacuum cleaner further includes a fan (not shown) and a dust box (not shown). The controller is connected to the fan. After the cleaner 100 finishes clearing, the controller controls the fan to start so as to suction the cut tangles into the dust box. The fan directly suctions the cut tangles into the robot cleaner 10, which can save the step of manually clearing away the cut tangles, thereby reducing manual intervention.
In an embodiment, the base station 20 further includes a reminding device configured to remind the user to clean the cleaner 100, which prevents the falling tangles from accumulating and affecting the cutting efficiency. The reminding device may give a reminder after the cleaner 100 has worked for a preset time or a preset number of times. The reminder may be given by the base station 20 directly emitting a sound to remind the user or by an APP pushing cleaning information to the user.
In an embodiment, referring to
Further, the method for maintaining a roller brush assembly further includes: controlling the roller brush to rotate relative to the first preset phase P1 and stop at a second preset phase P2; controlling the roller brush to rotate along a same direction relative to the second preset phase P2 and stop at a third preset phase P3; and hooking the tangles on the roller brush at the second preset phase P2 and the third preset phase P3 respectively, and cutting the tangles that have been hooked off. Specifically, referring to
In an embodiment, referring to
The technical features of the above embodiments can be arbitrarily combined. For the sake of concise description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as falling within the scope recorded in this specification.
The above embodiments merely express several implementations of the present disclosure, which are specifically described in detail, but this should not be understood as limiting the scope of the present disclosure. It should be noted that, for those of ordinary skills in the art, several modifications and improvements can be made without departing from the idea of the present disclosure. These are modifications and improvements are all within the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be subject to the appended claims.
In the description of the present disclosure, it should be understood that the orientation or positional relationship indicated by the terms “central”, “longitudinal”, “transverse”, “length”, “width”, “thickness”, “upper”, “lower”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc. is based on the orientation or positional relationship shown in the accompanying drawings, and it is only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying that the device or element referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be construed as a limitation of the present disclosure.
In addition, the terms “first” and “second” are merely used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with “first” and “second” may explicitly or implicitly include at least one such feature. In the description of the present disclosure, “multiple” means at least two, such as two or three, unless otherwise specifically defined.
In the present disclosure, unless otherwise explicitly specified and defined, the terms “mounting”, “linking”, “connection”, “fixing” and the like shall be understood broadly, and may be, for example, a fixed connection, a detachable connection or integration; may be a mechanical connection or an electrical connection; or may be a direct connection, an indirect connection through an intermediate medium, or an internal communication between two components or interaction between two components, unless otherwise explicitly defined. For those of ordinary skill in the art, the specific meaning of the above terms in the present disclosure can be understood according to specific situations.
In the present disclosure, unless otherwise explicitly specified and defined, the first feature “on” or “under” the second feature may be a direct contact between the first and second features, or an indirect contact between the first and second features through an intermediate medium. Moreover, the first feature “on”, “above” and “on the top of” the second feature may be that the first feature is directly above or obliquely above the second feature, or merely that the first feature is higher than the second feature in horizontal height. The first feature “under”, “below” and “on the bottom of” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature is lower than the second feature in horizontal height.
It should be noted that when an element is referred to as being “fixed to” or “arranged on” another element, it may be directly on the another element or an intervening element may be present. When an element is referred to as being “connected to” another element, it may be directly connected to the another element or an intervening element may be present at the same time. The terms such as “vertical”, “horizontal”, “upper”, “lower”, “left”, “right” and similar expressions used herein are merely for the purpose of illustration, and do not represent an exclusive implementation.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202111265882.0 | Oct 2021 | CN | national |
| 202210097890.7 | Jan 2022 | CN | national |
| 202210244741.9 | Mar 2022 | CN | national |
This application is a Continuation Application of PCT Application No. PCT/CN2022/128234, filed on Oct. 28, 2022, which claims benefit of and priority to Chinese Patent Application No. 202111265882.0, filed on Oct. 28, 2021, Chinese patent application No. 202210097890.7 filed on Jan. 29, 2022, and Chinese patent application No. 202210244741.9 filed on Mar. 11, 2022, all of which are hereby incorporated by reference in their entirety for all purposes as if fully set forth herein.
| Number | Date | Country | |
|---|---|---|---|
| Parent | PCT/CN2022/128234 | Oct 2022 | WO |
| Child | 18648177 | US |
