Patent Application
20240398189
The present disclosure relates to the field of cleaning devices, in particular to a dust suction apparatus, a dust collection base station, and a dust collection system.
The vacuum cleaner is an apparatus that uses a motor to drive blades to rotate for generating negative air pressure in a sealed housing, such that dust can enter a dust cup from a dust inlet of the dust cup through airflow, thus removing the dust from a cleaned object.
In the prior art, some vacuum cleaners are not provided with base stations and require manual dumping of dust in dust cups, and the bottoms of dust cups of some vacuum cleaners are provided with bottom turning cover type structures to be used with the base stations to remove the dust in the dust cups, but the two existing methods are inefficient in dust collection.
Embodiments of the present disclosure provide a dust cup, a dust suction apparatus, a dust collection base station, and a dust collection system. The dust cup in the present disclosure has a dust extraction opening with an opening end surface intersecting with a bottom surface, and a rotating airflow can be formed when gas passes through the dust extraction opening, thereby improving the efficiency of discharging dust in the dust cup.
In a first aspect, an embodiment of the present disclosure provides a dust cup applied to a dust suction apparatus. The dust cup has a bottom surface, and includes: an inner cavity for accommodating dust; and a dust extraction opening which causes the inner cavity to communicate with the outside of the dust cup at the bottom surface, and through which the dust in the inner cavity can be extracted, where an opening end surface of the dust extraction opening intersects with the bottom surface.
According to the foregoing embodiment of the present disclosure in the first aspect, the opening end surface of the dust extraction opening is perpendicular to the bottom surface, such that a flow direction of an airflow at the dust extraction opening is parallel to a tangential direction of the bottom surface at the dust extraction opening.
According to any one of the foregoing embodiments of the present disclosure in the first aspect, there are a plurality of dust extraction openings arranged in a rotational symmetry manner with a central point of the bottom surface as a center.
According to any one of the foregoing embodiments of the present disclosure in the first aspect, the dust extraction opening is adjacent to an outer edge of the bottom surface.
According to any one of the foregoing embodiments of the present disclosure in the first aspect, the dust cup further includes a dust extraction groove formed in the bottom surface, where the dust extraction opening is formed in a sidewall of the dust extraction groove, and at least part of a groove bottom of the dust extraction groove is inclined relative to the bottom surface.
According to any one of the foregoing embodiments of the present disclosure in the first aspect, an inclination angle of the groove bottom inclined relative to the bottom surface is within 45°.
According to any one of the foregoing embodiments of the present disclosure in the first aspect, one end of the groove bottom away from the dust extraction opening is connected to the bottom surface and is in smooth transition.
According to any one of the foregoing embodiments of the present disclosure in the first aspect, the dust extraction groove extends in an arc shape.
According to any one of the foregoing embodiments of the present disclosure in the first aspect, the dust cup further includes a turning cover rotatably connected to the dust extraction opening, where the turning cover has a closed state and an opened state, is in the closed state when negative pressure is formed inside the inner cavity, covers the dust extraction opening in the closed state, is in the opened state when negative pressure is formed outside the dust cup, and uncovers the dust extraction opening in the opened state.
According to any one of the foregoing embodiments of the present disclosure in the first aspect, the turning cover is connected to the dust extraction opening by an elastic member, and the elastic member is configured to reset the turning cover to the closed state.
In a second aspect, an embodiment of the present disclosure provides a dust suction apparatus, including: the dust cup according to any one of the foregoing in the first aspect; a main machine connected to the dust cup; a separation structure located in the dust cup, where the separation structure is connected to the main machine; and a dust inlet located in the dust cup, where the main machine can drive the separation structure to operate, such that dust enters the dust cup through the dust inlet.
In a third aspect, an embodiment of the present disclosure provides a dust collection base station, including a mounting position for placing the dust cup according to any one of the foregoing in the first aspect, where the mounting position is provided with a dust collection opening corresponding to the dust extraction opening, and the dust collection base station extracts the dust in the inner cavity through the dust collection opening and the dust extraction opening.
According to the foregoing embodiment of the present disclosure in the third aspect, the dust collection opening is of a spiral structure.
According to any one of the foregoing embodiments of the present disclosure in the third aspect, the dust collection base station further includes: a machine frame, where the dust collection opening is located at an upper end inside the machine frame; a dust collection cavity located inside the machine frame, where the dust collection cavity communicates with the dust collection opening; and a dust collection fan located inside the machine frame, where the dust collection fan can extract the dust in the inner cavity to the dust collection cavity through the dust collection opening and the dust extraction opening.
In a fourth aspect, an embodiment of the present disclosure provides a dust collection system, including: the foregoing dust suction apparatus in the second aspect; and a dust collection base station, where the dust collection base station is provided with a mounting position for placing the dust cup of the dust suction apparatus, the mounting position is provided with a dust collection opening corresponding to the dust extraction opening, and the dust collection base station extracts the dust in the inner cavity through the dust collection opening and the dust extraction opening.
In a fifth aspect, an embodiment of the present disclosure provides a dust collection system, including: a dust suction apparatus; and the dust collection base station according to any one of the foregoing in the third aspect, where the dust suction apparatus can be placed in the dust collection base station.
An embodiment of the present disclosure provides a dust cup applied to a dust suction apparatus, where the dust cup has a bottom surface. The dust cup includes an inner cavity and a dust extraction opening. The inner cavity is configured to accommodate dust. The dust extraction opening causes the inner cavity to communicate with the outside of the dust cup at the bottom surface, and the dust in the inner cavity can be extracted through the dust extraction opening, where an opening end surface of the dust extraction opening intersects with the bottom surface. In this embodiment, due to the formation of the dust extraction opening, the dust accommodated inside the dust cup can be discharged. When the dust needs to be discharged, the dust extraction opening can be opened. The exclusive use of the special opening improves the efficiency of dust removal. In addition, due to the fact that the opening end surface of the dust extraction opening intersects with the bottom surface, in the process of discharging the dust from the dust extraction opening, gas can form a rotating airflow and carry the dust to be discharged together, thereby improving the efficiency of discharging the dust in the dust cup.
In some optional embodiments, the opening end surface of the dust extraction opening is perpendicular to the bottom surface, such that a flow direction of an airflow at the dust extraction opening is parallel to a tangential direction of the bottom surface at the dust extraction opening. This embodiment is a preferred embodiment, in which the efficiency of removing the dust in the dust cup can be further improved by adjusting an angle between the opening end surface of the dust extraction opening and the bottom surface.
In some optional embodiments, there are a plurality of dust extraction openings arranged in a rotational symmetry manner with a central point of the bottom surface as a center. Optionally, the number of dust extraction openings can be adjusted based on the specific size of the dust cup, usage scenario, etc. The plurality of dust extraction openings are arranged in a rotational symmetry manner with the central point of the bottom surface as the center, which can facilitate the formation of the rotating airflow.
In some optional embodiments, the dust cup further includes a dust extraction groove. The dust extraction groove is formed in the bottom surface, the dust extraction opening is formed in a sidewall of the dust extraction groove, and at least part of a groove bottom of the dust extraction groove is inclined relative to the bottom surface. In the above embodiment, the dust extraction opening may be located in the inner cavity of or outside the dust cup without specific limitations. This embodiment is a preferred embodiment, in which the dust extraction opening is formed on the sidewall of the dust extraction groove, the dust extraction groove is formed in the bottom surface, and the dust extraction opening is located inside the dust cup, which can improve the aesthetic appearance of the structure and effectively avoid damage to the dust extraction opening by external mechanical impact. The at least part of the groove bottom of the dust extraction groove is inclined relative to the bottom surface, such that an angle of the opening end surface of the dust extraction opening can be adjusted based on an inclination angle of the groove bottom, and the airflow mixed with the dust flows out along the dust extraction opening and the groove bottom of the dust extraction groove.
In some optional embodiments, one end of the groove bottom away from the dust extraction opening is connected to the bottom surface and is in smooth transition. In this embodiment, it is possible to prevent dust accumulation and facilitate dust discharge.
In some optional embodiments, the dust cup further includes a turning cover. The turning cover is rotatably connected to the dust extraction opening, has a closed state and an opened state, is in the closed state when negative pressure is formed inside the inner cavity, covers the dust extraction opening in the closed state, is in the opened state when negative pressure is formed outside the dust cup, and uncovers the dust extraction opening in the opened state. In this embodiment, the closed state and the opened state of the turning cover are switched through the negative pressure inside the inner cavity and the negative pressure outside the dust cup, thereby avoiding the use of electronic control to switch the states of the turning cover. The turning cover is simple in structure and easy to implement, can reduce costs, and is convenient to use.
In some optional embodiments, the turning cover is connected to the dust extraction opening by an elastic member, and the elastic member is configured to reset the turning cover to the closed state. The elastic member may be a torsion spring. In the process of collecting the dust from the outside by the dust cup, the turning cover is sealed under the action of the elastic member or the torsion spring. In the process of collecting the dust in the inner cavity of the dust cup, negative pressure is formed outside the dust cup, and the outside overcomes an elastic force of the torsion spring to open the turning cover.
An embodiment of the present disclosure further provides a dust suction apparatus, including the dust cup in any one of the above embodiments, a main machine, a separation structure, and a dust inlet. The main machine is connected to the dust cup. The separation structure is located in the dust cup and connected to the main machine. The dust inlet is located in the dust cup, and the main machine can drive the separation structure to operate, such that dust enters the dust cup through the dust inlet. During operation of the dust suction apparatus, the main machine drives the separation structure to operate, the separation structure causes negative pressure to be formed inside the dust cup, the turning cover is in the closed state, dust attached to a cleaned object (such as a carpet and a floor) enters the dust cup through the dust inlet by the airflow, and the dust is collected inside the dust cup. The dust suction apparatus in this embodiment includes a dust cup, where the dust cup includes a dust extraction opening and an inner cavity for accommodating dust, the dust extraction opening causes the inner cavity to communicate with the outside of the dust cup at a bottom surface, the dust in the inner cavity can be extracted through the dust extraction opening, and an opening end surface of the dust extraction opening intersects with the bottom surface. In this embodiment, due to the formation of the dust extraction opening, the dust accommodated inside the dust cup can be discharged. When the dust needs to be discharged, the dust extraction opening can be opened. The exclusive use of the special opening improves the dust removal efficiency of this dust suction apparatus. In addition, due to the fact that the opening end surface of the dust extraction opening intersects with the bottom surface, in the process of discharging the dust from the dust extraction opening, gas can form a rotating airflow and carry the dust to be discharged together, thereby improving the efficiency of discharging the dust inside the dust cup in the dust suction apparatus.
An embodiment of the present disclosure further provides a dust collection base station, including a mounting position for placing the dust cup according to any one of the above. The mounting position is provided with a dust collection opening corresponding to the dust extraction opening, and the dust collection base station extracts the dust in the inner cavity through the dust collection opening and the dust extraction opening. When the dust inside the dust cup needs to be collected, the dust cup is placed in the mounting position, and the dust collection base station automatically collects the dust inside the dust cup. The dust collection base station in this embodiment can automatically collect the dust inside the dust cup. When the dust needs to be collected, the dust collection base station causes negative pressure to be formed at the dust extraction opening of the dust cup, the dust extraction opening is uncovered, and the dust enters the dust collection base station through the dust extraction opening and the dust collection opening. In this embodiment, it is possible to improve the intelligent dust collection level of the dust collection base station, avoid manual dust dumping, and improve user experience.
In some optional embodiments, the dust collection opening is of a spiral structure. The dust collection opening fits with the dust extraction opening in shape. When the dust collection base station operates, the spiral structure can form a rotating airflow in the dust cup, thereby improving the dust collection efficiency of the dust collection base station. The number of spiral structures can be adjusted.
In some optional embodiments, the dust collection base station includes a machine frame, a dust collection cavity, and a dust collection fan. The dust collection opening is located at an upper end inside the machine frame. The dust collection cavity is located inside the machine frame and communicates with the dust collection opening. The dust collection fan is located inside the machine frame and can extract the dust in the inner cavity to the dust collection cavity through the dust collection opening and the dust extraction opening. A dust collection bag may be included inside the dust collection cavity. During dust collection, the dust falls into the dust collection bag. The dust collection fan communicates with the dust collection opening and the dust collection cavity.
An embodiment of the present disclosure further provides a dust collection system, including the above dust suction apparatus and a dust collection base station. The dust collection base station is provided with a mounting position for placing the dust cup of the dust suction apparatus, the mounting position is provided with a dust collection opening corresponding to the dust extraction opening, and the dust collection base station extracts the dust in the inner cavity through the dust collection opening and the dust extraction opening. The dust suction apparatus includes a dust cup, where the dust cup includes a dust extraction opening and an inner cavity for accommodating dust, the dust extraction opening causes the inner cavity to communicate with the outside of the dust cup at a bottom surface, the dust in the inner cavity can be extracted through the dust extraction opening, and an opening end surface of the dust extraction opening intersects with the bottom surface. In this embodiment, due to the formation of the dust extraction opening, the dust accommodated inside the dust cup can be discharged. When the dust needs to be discharged, the dust extraction opening can be opened. The exclusive use of the special opening improves the dust removal efficiency of this dust suction apparatus. In addition, due to the fact that the opening end surface of the dust extraction opening intersects with the bottom surface, in the process of discharging the dust from the dust extraction opening, gas can form a rotating airflow and carry the dust to be discharged together, thereby improving the efficiency of discharging the dust inside the dust cup of the dust suction apparatus in a dust collection system. The dust suction apparatus in the dust collection system can be placed in the mounting position of the dust collection base station, and the dust collection base station collects the dust inside the dust cup, which can improve the intelligent level of the dust collection system, reduce manual operation steps, and improve user experience.
In addition, the dust suction apparatus includes a dust cup, where the dust cup is provided with a turning cover, the turning cover is rotatably connected to the dust extraction opening, has a closed state and an opened state, is in the closed state when negative pressure is formed inside the inner cavity, covers the dust extraction opening in the closed state, is in the opened state when negative pressure is formed outside the dust cup, and uncovers the dust extraction opening in the opened state. In this embodiment, the closed state and the opened state of the turning cover are switched through the negative pressure inside the inner cavity and the negative pressure outside the dust cup, thereby avoiding the use of electronic control to switch the states of the turning cover. The turning cover is simple in structure and easy to implement, can reduce costs of the dust collection system, and is convenient to use.
An embodiment of the present disclosure further provides a dust collection system, including: a dust suction apparatus and the dust collection base station according to any one of the above, where the dust suction apparatus can be placed in the dust collection base station. The dust collection base station in this embodiment is provided with a mounting position used with the dust suction apparatus, the mounting position is provided with a dust collection opening, and the dust collection base station extracts the dust in the inner cavity through the dust collection opening and the dust extraction opening. The dust extraction opening of the dust collection base station is used with the dust cup, thereby improving the efficiency of collecting the dust inside the dust cup, and freeing up labors. In some optional embodiments, the dust collection opening is of a spiral structure. When the dust collection base station operates, the spiral structure can form a rotating airflow in the dust cup, thereby improving the dust collection efficiency of the dust collection base station. The number of spiral structures can be adjusted.
In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or in the prior art, the accompanying drawings that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Apparently, the accompanying drawings in the description below merely illustrate some embodiments of the present disclosure. Those of ordinary skill in the art may also derive other accompanying drawings from these accompanying drawings without creative efforts.
The objective achievement, functional characteristics, and advantages of the present disclosure will be further illustrated with reference to the accompanying drawings in conjunction with the embodiments.
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present disclosure. Apparently, the described embodiments are merely some rather than all of the embodiments of the present disclosure. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present disclosure without creative efforts shall fall within the scope of protection of the present disclosure.
It is to be noted that all directional indications (such as up, down, left, right, front, back . . . ) in the embodiments of the present disclosure are only used to explain relative positions, motion states, etc. of components in a specific pose (as shown in the figure), and if the specific pose changes, the directional indication also changes accordingly.
In addition, the descriptions involving “first”, “second”, etc. in the present disclosure are only for descriptive purposes and cannot be understood as indicating or implying relative importance thereof or implying the number of indicated technical features. Thus, features defined with “first” and “second” may explicitly or implicitly include at least one of the features. Furthermore, the technical solutions among the various embodiments may be combined with one another, but must be based on the implementation by those of ordinary skill in the art. When the combination of the technical solutions is contradictory or may not be implemented, it should be considered that such combination of the technical solutions does not exist and is not within the scope of protection of the present disclosure.
Embodiments of the present disclosure provide a dust cup, a dust suction apparatus, a dust collection base station, and a dust collection system. The dust cup in the present disclosure has a dust extraction opening with an opening end surface intersecting with a bottom surface, and a rotating airflow can be formed when gas passes through the dust extraction opening, thereby improving the dust collection efficiency of the dust collection base station in the dust collection system.
An embodiment of the present disclosure provides a dust cup 140.
In some optional embodiments, the opening end surface of the dust extraction opening 142 is perpendicular to the bottom surface A1, such that a flow direction of an airflow at the dust extraction opening 142 is parallel to a tangential direction of the bottom surface A1 at the dust extraction opening 142. This embodiment is a preferred embodiment, in which the efficiency of removing the dust in the dust cup 140 can be further improved by adjusting an angle between the opening end surface of the dust extraction opening 142 and the bottom surface A1.
In some optional embodiments, there are a plurality of dust extraction openings 142 arranged in a rotational symmetry manner with a central point of the bottom surface A1 as a center. Optionally, the number of dust extraction openings 142 can be adjusted based on the specific size of the dust cup 140, usage scenario, etc. The plurality of dust extraction openings 142 are arranged in a rotational symmetry manner with the central point of the bottom surface A1 as the center, which can facilitate the formation of the rotating airflow.
In some optional embodiments, the dust extraction opening 142 is adjacent to an outer edge of the bottom surface A1. Optionally, the dust cup 140 is cylindrical, and the dust extraction opening 142 is located on the bottom surface A1 of the cylindrical dust cup 140, thereby helping to extend a dust collection range.
In some optional embodiments, the dust cup 140 further includes a dust extraction groove 143. The dust extraction groove 143 is formed in the bottom surface A1, the dust extraction opening 142 is formed in a sidewall of the dust extraction groove 143, and at least part of a groove bottom of the dust extraction groove 143 is inclined relative to the bottom surface A1. In the above embodiment, the dust extraction opening 142 may be located in the inner cavity 141 of or outside the dust cup 140 without specific limitations. This embodiment is a preferred embodiment, in which the dust extraction opening 142 is formed on the sidewall of the dust extraction groove 143, the dust extraction groove 143 is formed in the bottom surface A1, and the dust extraction opening 142 is located inside the dust cup 140, which can improve the aesthetic appearance of the structure and effectively avoid damage to the dust extraction opening 142 by external mechanical impact. The at least part of the groove bottom of the dust extraction groove 143 is inclined relative to the bottom surface A1, such that an angle of the opening end surface of the dust extraction opening 142 can be adjusted based on an inclination angle of the groove bottom, and the airflow mixed with the dust flows out along the groove bottom of the dust extraction groove 143 and the dust extraction opening 142.
In some optional embodiments, the inclination angle of the groove bottom inclined relative to the bottom surface A1 is within 45°. Angle setting can make an opening direction of the dust extraction opening 142 tangential to the bottom surface A1. When passing through the dust extraction opening 142, the airflow will have a tangential velocity, such that the rotating airflow is formed, thereby improving the efficiency of discharging the collected dust.
In some optional embodiments, one end of the groove bottom away from the dust extraction opening 142 is connected to the bottom surface A1 and is in smooth transition. In this embodiment, it is possible to prevent dust accumulation and facilitate dust discharge.
In some optional embodiments, the dust extraction groove 143 extends in an arc shape. The dust cup 140 is cylindrical, and the dust extraction groove 143 extends in the arc shape, thereby facilitating the formation of the rotating airflow.
In some optional embodiments, the dust cup 140 further includes a turning cover 144. The turning cover 144 is rotatably connected to the dust extraction opening 142, has a closed state and an opened state, is in the closed state when negative pressure is formed inside the inner cavity 141, covers the dust extraction opening 142 in the closed state, is in the opened state when negative pressure is formed outside the dust cup 140, and uncovers the dust extraction opening 142 in the opened state. In this embodiment, the closed state and the opened state of the turning cover 144 are switched through the negative pressure inside the inner cavity 141 and the negative pressure outside the dust cup 140, thereby avoiding the use of electronic control to switch the states of the turning cover 144. The turning cover is simple in structure and easy to implement, can reduce costs, and is convenient to use.
In some optional embodiments, the turning cover 144 is connected to the dust extraction opening 142 by an elastic member, and the elastic member is configured to reset the turning cover 144 to the closed state. The elastic member may be a torsion spring. In the process of collecting the dust from the outside by the dust cup 140, the turning cover 144 is sealed under the action of the elastic member or the torsion spring. In the process of collecting the dust from the inner cavity 141 of the dust cup 140, negative pressure is formed outside the dust cup 140, and the outside overcomes an elastic force of the torsion spring to open the turning cover 144.
An embodiment of the present disclosure further provides a dust suction apparatus 100, including the dust cup 140 in any one of the above embodiments, a main machine 110, a separation structure 120, and a dust inlet 130.
In addition, the dust suction apparatus 100 includes a dust cup 140, where the dust cup 140 is provided with a turning cover 144, and the turning cover 144 is rotatably connected to the dust extraction opening 142, has a closed state and an opened state, is in the closed state when negative pressure is formed inside the inner cavity 141, covers the dust extraction opening 142 in the closed state, is in the opened state when negative pressure is formed outside the dust cup 140, and uncovers the dust extraction opening 142 in the opened state. In this embodiment, the closed state and the opened state of the turning cover 144 are switched through the negative pressure inside the inner cavity 141 and the negative pressure outside the dust cup 140, thereby avoiding the use of electronic control to switch the states of the turning cover 144. The turning cover is simple in structure and easy to implement, can reduce costs of the dust suction apparatus 100, and is convenient to use.
An embodiment of the present disclosure provides a dust collection base station 200.
In some optional embodiments, the dust cup 140 includes an inner cavity 141 and a dust extraction opening 142. The inner cavity 141 is configured to accommodate dust, the dust extraction opening 142 causes the inner cavity 141 to communicate with the outside of the dust cup 140 at the bottom surface A1, and the dust in the inner cavity 141 can be extracted through the dust extraction opening 142, where an opening end surface of the dust extraction opening 142 intersects with the bottom surface A1. The dust collection base station 200 includes a mounting position B1 for placing the dust cup 140 according to any one of the above. The mounting position B1 is provided with a dust collection opening 210 corresponding to the dust extraction opening 142, and the dust collection base station 200 extracts the dust in the inner cavity 141 through the dust collection opening 210 and the dust extraction opening 142. The dust collection opening 210 fits with the dust extraction opening 142 in shape. In this embodiment, due to the formation of the dust extraction opening 142 and the dust collection opening 210, the dust accommodated inside the dust cup 140 can be discharged. When the dust needs to be discharged, the dust extraction opening 142 can be opened. The exclusive use of the special opening improves the efficiency of dust removal. In addition, due to the fact that the opening end surface of the dust extraction opening 142 intersects with the bottom surface A1, in the process of discharging the dust from the dust extraction opening 142, gas can form a rotating airflow and carry the dust to be discharged together to enter the dust collection opening 210, thereby improving the efficiency of discharging the dust in the dust cup 140.
In some optional embodiments, the dust collection opening 210 is of a spiral structure. The dust collection opening 210 fits with the dust extraction opening 142 in shape. There are a plurality of dust extraction openings 142 arranged in a rotational symmetry manner with a central point of the bottom surface A1 as a center. The number of spiral structures is consistent with the number of dust extraction openings 142 and can be adjusted as needed. When the dust collection base station 200 operates, the spiral structure can form a rotating airflow in the dust cup 140, thereby improving the dust collection efficiency of the dust collection base station 200.
In some optional embodiments, the dust collection base station 200 includes a machine frame 220, a dust collection cavity 230, and a dust collection fan 240. The dust collection opening 210 is located at an upper end inside the machine frame 220. The dust collection cavity 230 is located inside the machine frame 220 and communicates with the dust collection opening 210. The dust collection fan 240 is located inside the machine frame 220 and can extract the dust in the inner cavity 141 to the dust collection cavity 230 through the dust collection opening 210 and the dust extraction opening 142. A dust collection bag may be included inside the dust collection cavity 230. During dust collection, the dust falls into the dust collection bag. The dust collection fan 240 communicates with the dust collection opening 210 and the dust collection cavity 230.
An embodiment of the present disclosure further provides a dust collection system 1000. As shown in
In some optional embodiments, there are a plurality of dust extraction openings 142 arranged in a rotational symmetry manner with a central point of the bottom surface A1 as a center. Optionally, the number of dust extraction openings 142 can be adjusted based on the specific size of the dust cup 140, usage scenario, etc. The plurality of dust extraction openings 142 are arranged in a rotational symmetry manner with the central point of the bottom surface A1 as the center, which can facilitate the formation of the rotating airflow.
In some optional embodiments, the dust extraction opening 142 is adjacent to an outer edge of the bottom surface A1. Optionally, the dust cup 140 is cylindrical, and the dust extraction opening 142 is located on the bottom surface A1 of the cylindrical dust cup 140, thereby helping to extend a dust collection range.
In some optional embodiments, the dust cup 140 further includes a dust extraction groove 143. The dust extraction groove 143 is formed in the bottom surface A1, the dust extraction opening 142 is formed in a sidewall of the dust extraction groove 143, and at least part of a groove bottom of the dust extraction groove 143 is inclined relative to the bottom surface A1. In the above embodiment, the dust extraction opening 142 may be located in the inner cavity 141 of or outside the dust cup 140 without specific limitations. This embodiment is a preferred embodiment, in which the dust extraction opening 142 is formed on the sidewall of the dust extraction groove 143, the dust extraction groove 143 is formed in the bottom surface A1, and the dust extraction opening 142 is located inside the dust cup 140, which can improve the aesthetic appearance of the structure and effectively avoid damage to the dust extraction opening 142 by external mechanical impact. The at least part of the groove bottom of the dust extraction groove 143 is inclined relative to the bottom surface A1, such that an angle of the opening end surface of the dust extraction opening 142 can be adjusted based on an inclination angle of the groove bottom, and the airflow mixed with the dust flows out along the dust extraction opening 142 and the groove bottom of the dust extraction groove 143.
In some optional embodiments, the inclination angle of the groove bottom inclined relative to the bottom surface A1 is within 45°. Angle setting can make an opening direction of the dust extraction opening 142 tangential to the bottom surface A1. When passing through the dust extraction opening 142, the airflow will have a tangential velocity, such that the rotating airflow is formed, thereby improving the efficiency of discharging the collected dust.
In some optional embodiments, one end of the groove bottom away from the dust extraction opening 142 is connected to the bottom surface A1 and is in smooth transition. In this embodiment, it is possible to prevent dust accumulation and facilitate dust discharge.
In some optional embodiments, the dust extraction groove 143 extends in an arc shape. The dust cup 140 is cylindrical, and the dust extraction groove 143 extends in the arc shape, thereby facilitating the formation of the rotating airflow.
In some optional embodiments, the dust suction apparatus 100 includes a dust cup 140, where the dust cup 140 is provided with a turning cover 144, and the turning cover 144 is rotatably connected to the dust extraction opening 142, has a closed state and an opened state, is in the closed state when negative pressure is formed inside the inner cavity 141, covers the dust extraction opening 142 in the closed state, is in the opened state when negative pressure is formed outside the dust cup 140, and uncovers the dust extraction opening 142 in the opened state. In this embodiment, the closed state and the opened state of the turning cover 144 are switched through the negative pressure inside the inner cavity 141 and the negative pressure outside the dust cup 140, thereby avoiding the use of electronic control to switch the states of the turning cover 144. The turning cover is simple in structure and easy to implement, can reduce costs of the dust collection system 1000, and is convenient to use.
In some optional embodiments, the turning cover 144 is connected to the dust extraction opening 142 by an elastic member, and the elastic member is configured to reset the turning cover 144 to the closed state. The elastic member may be a torsion spring. In the process of collecting the dust from the outside by the dust cup 140, the turning cover 144 is sealed under the action of the elastic member or the torsion spring. In the process of collecting the dust in the inner cavity 141 of the dust cup 140, negative pressure is formed outside the dust cup 140, and the outside overcomes an elastic force of the torsion spring to open the turning cover 144.
An embodiment of the present disclosure further provides a dust collection system 1000. As shown in
The above are only preferred embodiments of the present disclosure and are not intended to limit the scope of patent of the present disclosure. Any equivalent structural changes made using the contents of the specification and drawings of the present disclosure under the concept of the present disclosure, directly/indirectly applied in other related technical fields, are included within the scope of patent protection of the present disclosure.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202310638918.8 | May 2023 | CN | national |
This application is a Continuation Application of PCT Application No. PCT/CN2024/081914 filed on Mar. 15, 2024, which claims the priority of the previous application No. 202310638918.8, entitled “Dust cup, Dust Suction Apparatus, Dust Collection Base Station, and Dust Collection System” filed in the China National Intellectual Property Administration on May 31, 2023, the disclosure of which is incorporated by reference herein.
| Number | Date | Country | |
|---|---|---|---|
| Parent | PCT/CN2024/081914 | Mar 2024 | WO |
| Child | 18786645 | US |
