This invention relates to a rotating device, particular to a rotating apparatus for winding reel of high-pressure cleaner.
High-pressure cleaner or similar appliance is provided with a rotating apparatus for a winding reel on its housing, in the use of such apparatus, the rotating wheel is held by rotating the handle, and the portion of the rotating wheel in the housing is connected to the winding reel, which can wind or unwind line and hose by a certain structure, however, the handle of the rotating apparatus for a high pressure cleaning appliance or similar appliance is directly coupled to the rotating wheel, taking in to account of the arm of force, the diameter of the rotating wheel should be long enough to make the handle far enough from the rotating axis of the rotating wheel, resulting the rotating apparatus obtrusive on the housing, not only occupying a large space but also not very effort with the limit of the diameter of the rotating wheel.
The object of the invention is to provide a rotating apparatus, which increases the arm of force of the force applied to the handle in order to save effort and reduces the volume of the rotating apparatus.
A rotating apparatus for a winding reel of a high-pressure cleaner, comprising a rotating wheel with a slideway, a slider and a handle mounted on the slider, said slider is mounted in the slideway, and the slider can slide in the slide way, the slider has a first working position that the slider is entirely in the rotating wheel and a second working position that a part of said slider extends beyond the rotating wheel. The connection relation between the handle and the slider is not limited, the handle can be integrated from the slider, and alternatively, the handle can be separated from the slider as a usual technic.
Said slider is provided with a convex rib extending downward from a bottom end thereof, and the slideway is provided with a first side wall corresponding to the convex rib, when the slider is in the first working position, the convex rib is butting against the first side wall preventing the slider from sliding out of the slideway. A second side wall for corresponding with convex rib is disposed in the slideway in order to prevent the slider sliding out at the second working position.
Alternatively, the following technical solution could be applied: one end of the slider is designed to be bigger than the other one, and the width of the both ends of the slideway are relatively narrower than the middle portion of the slideway that keeps the whole body of the slider in the slideway at the first working position and keeps a part of the slider in the slideway.
A more preferred technical solution is: the slider is provided with a convex rib on its bottom, and the slideway is provided with a first side wall corresponding to the convex rib, when the slider is in the first working position, the convex rib is butting against the first side wall preventing the slider from sliding out of the slideway; Said slider is provided with a location hole; the slideway is provided with a stop pin which is held by a resilient member and can be stuck in the location hole of the slider for fixing the slider at the second working position. Comparing with the foregoing technical solutions, this slideway comprises a stop pin for fixing the slider and preventing the slider from moving backward. Obviously, this technical means can coexist with the foregoing technical solutions, said slideway has a side wall rib for corresponding with the convex rib, and said convex rib is butting against the second side wall for preventing the slider from sliding out of the slideway, when the slider is at the second working position, the slider is fixed steadily under the combined action of the second side wall and the stop pin.
The stop pin in this invention is held by a resilient member in the slideway, a moveable connection between the handle and the slider is preferred, the slider further has a concave for receiving the handle, and said location hole is disposed at a bottom of the concave, a locking engagement part is disposed in the concave upon the location hole extending towards the location hole, a snap-fit element suitable for being engaged with the locking engagement part is arranged at the end of the handle, when the handle rests in the concave, the rear part of the handle pushes the stop pin downward and is separated from the location hole with the resilient member being compressed and finally the locking engagement part locks a rear part of the handle for further fixing the handle in the concave, in this way, the slider are released from the second working position, and the apparatus occupying less space.
The handle is preferably coupled to the slider via a pivot, said slider has a connecting end portion extending upward thereof, which is provided with a pivot hole capable of receiving the pivot and the handle has a lower end portion, which has a recess at each side thereof the pivot for receiving the ends of the pivot with aligning with the pivot hole. Said pivot hole is a longitudinal hole, which allows a vertical movement of the pivot, a spring is positioned above the pivot in a receiving hole inside the connecting end portion, a spring is positioned above the pivot in a receiving hole inside the connecting end portion, said spring elastically urges the pivot toward a bottom of the pivot hole; said handle is provided with a flange corresponding to a groove of the connecting end portion, said groove is above the spring for engaging with the flange. After the flange getting stuck in the groove, because of the pressure applied to the pivot from the spring, the pivot further draws the handle downwardly so as to secure the handle in a perpendicular to the slider, and ensures the reliable connection between the handle and the slider in normal use.
Another objective of the invention is to provide a high-pressure cleaner with an above-mentioned rotating apparatus for winding reel, the cleaner comprises at least one hose or one power suppler line, at least one winding reel for reeling said hose or power suppler line and a rotating apparatus, the rotating wheel of the rotating apparatus is supported by a plurality of shores disposed under the rotating wheel, said slideway of the rotating wheel has a elongated groove with a plurality of via holes, said rotating wheel has recess holes corresponding to the shores and a locking hole corresponding to the via hole. The top edges of the slideway extend toward each other in order to keep the slider in the slideway. With the combination of the rotating apparatus and the winding reel, a power supply line or a hose could be reeled easily, during no-use, the handle is placed in the concave of the slider, in this way, and the apparatus occupies less space.
1. The rotating apparatus of this invention, of which the rotating wheel is provided with a slider sliding in the sideway, one end of the slider is fixed during use, and the other end coupled to the handle protrudes out of the slideway, that increases the arm of force without occupying more space.
2. The rotating apparatus of this invention, of which the slider is placed in the concave. Comparing with the existing rotating apparatus, said rotating apparatus is foldable, occupies less space, makes the whole body of the cleaner beautiful and simply with convenient operation, and suitable for popularizing in the high-pressure cleaner or similar apparatus.
A detailed embodiment of a rotating apparatus for winding reel of high-pressure cleaner as shown in
In this embodiment, the top edges 21 of the slideway 2 extend toward each other in order to keep the slider 3 in the rotating wheel. Said slider 3 is provided with a convex rib 32 on its bottom, and the slideway 2 is provided with an elongated groove 20 having a first side wall 201 corresponding to the convex rib 32, when the slider 3 is located at the first working position, the convex rib 32 is abutting against the first side wall 201 for preventing the slider 3 from sliding out of the slideway 2; A second side 202 wall for corresponding with convex rib 32 is disposed in the slideway 2 in order to prevent the slider 3 sliding out of the slideway 2 at the second working position.
The slider 3 of this embodiment is provided with a location hole 301, the slideway 2 is inserted with a stop pin 6 held by a resilient member 5, said stop pin 6 has a cavity capable for receiving the resilient member 5, and the bottom of the resilient member 5 is coupled to a bottom of a hole in the slideway. Said stop pin 6 can be stuck in said location hole 301 by the movement of the slider 3 in the slideway 2 and fixed the slider 3 at the second working position, the slider 3 is fixed steadily under the combined action of the second side wall 202 and the stop pin 6, and the stop pin 6 further prevent the slider 3 from recession.
The handle 4 in this embodiment is coupled to the slider 3 with a pivot 7, and a convex part 31 of the slider 3 is the connecting end portion, said convex part 31 is provided with a pivot hole 311 capable of receiving the pivot 7 and the handle 4 has a connecting end portion, which has a recess 41 at each side of the pivot for receiving the ends protruding outwards from the pivot hole 311. Said pivot hole 311 is a longitudinal hole, which enables vertical movement of the pivot 7. Meanwhile, the bottom of said convex part 31 is open, and said convex part 31 has a cavity 313 inside; a hole 314, in which the spring 8 fits, opens into the underside cavity 313, and a spring 8 is set in the hole 314, meanwhile the spring 8 is placed upon the pivot 7 in the pivot hole 311, said spring 8 retains the pivot 7 on the bottom of the pivot hole 311. In the procedure of setting, the spring 8 should be set in the hole 314 before the pivot 7 is inserted through the pivot hole 311.
Said connecting end portion of the handle 4 in this embodiment is provided with a flange 42, and the corresponding portion to the connecting end portion of the slider is provided with a groove 312 for receiving said flange 42, said groove 312 is disposed upon the spring 8. After the flange 42 getting stuck in the groove 312, because of the pressure applied to the pivot from the spring 8, the pivot 7 further draws the handle 4 downwardly so as to secure the handle 4 in a perpendicular to the slider 3, and ensures the reliable connection between the handle 4 and the slider 3 in normal use.
The slider further has a concave 30 for receiving the handle 4, and said location hole 301 is disposed in the concave 30, a locking engagement part 302 is disposed in the concave 30 upon the location hole 301 extending towards the location hole 301, a snap-fit element suitable for being engaged with the locking engagement part 302 is arranged at the end of the handle 4. When the handle 4 rests in the concave 30, the rear part of the handle 4 pushes the stop pin 6 out of the location hole 301 and the locking engagement part 302 locks the snap-fit element of the handle 4 and further fixes the handle 4, in this way, the slider 3 recesses from the second working position.
The assembly process of this embodiment is: Firstly, insert the resilient member 5 into the hole of the rotating wheel 1, and envelop the stop pin 6 on the resilient member 5, and then push the slider 3 from the end having the elongated groove 20 to the end having the stop pin 6, with the restriction of the top edges 21 of the slideway 2, the slider 3 moves along the slideway 2, but is unable to get out of the slideway 2. When the slider 3 reaches the hole for receiving the stop pin, the slider 3 presses on the stop pin 6, makes the resilient member shrink and enables the slider passes the hole with out barrier, the slider 3 moves on until the convex rib 32 of the slider 3 butts against the brim of the rotating wheel 1, the force applied to the slider at the motion direction should be increased to force the convex rib 32 to be distorted to be stuck in the elongated groove 20, when the slider 3 is fully in placed, because the slider 3 has a shallow hole (as shown in
The working process of the rotating apparatus for winding reel of high-pressure cleaner will be description in combination with
A high-pressure cleaner as shown in
As
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2007 1 0191548 | Dec 2007 | CN | national |
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Number | Date | Country | |
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20090145993 A1 | Jun 2009 | US |