CN216492626U

CN216492626U - Cat litter cleaning device

Info

Publication number: CN216492626U
Application number: CN202122233867.XU
Authority: CN
Inventors: 周雷
Original assignee: Leige Industrial Design Hangzhou Co ltd
Current assignee: Leige Industrial Design Hangzhou Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-05-13
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a cat litter cleaning device, and belongs to the technical field of pet excrement cleaning. The cat litter cleaning device comprises two side brackets, wherein the side brackets are respectively provided with a walking base capable of performing linear reciprocating motion, a cat litter rake is arranged between the two walking bases and comprises a rake bracket and rake teeth, the two ends of the rake bracket are connected with the walking bases, the lower ends of the rake teeth extend into a cat litter cleaning space, the side brackets are provided with track control tracks, and the end parts of the rake bracket are connected with the walking bases through rocker arms. The side support is provided with a track control track, and the shape of the track control track is matched with the shape of the inner bottom surface of the container for laying the cat litter; the end part of the harrow frame is connected with the rocker arm in an inserting type sliding mode to form a telescopic rod mechanism. The cat litter box can be matched with different cat litter containers, and separation of cat litter and cat litter is better realized.

Description

Cat litter cleaning device

Technical Field

The utility model relates to a cat litter cleaning device, and belongs to the technical field of pet excrement treatment.

Background

At present, current cat litter basin generally divide into the mode of drum-type and rake clearance cat litter. The general structure of drum-type cat litter basin is complicated, and the cost is higher, and occupation space is big. And direct harrow formula cat litter basin is single planar reciprocating motion usually, and cat litter box bottom is the plane, can only stack cat excrement and urine propelling movement to one end, and it needs to take out whole basin body or the carton that holds the cat litter to empty excrement and urine, and is comparatively troublesome to the clearance. Moreover, the basin that holds the cat litter is difficult to all accomplish with excrement and urine to pile up the department and separate with current plane motion rake intelligence cat litter basin clearance form, and the cat litter basin bottom surface of taking the slope or curved surface is unfavorable for cat litter rake to clear up.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the cat litter cleaning device which can be independent of a cat litter basin and can be matched with different cat litter containers, so that the separation of cat litter and cat litter is better realized.

The utility model is realized by the following technical scheme: a cat litter cleaning device comprises two side brackets, a cat litter cleaning space is formed between the two side brackets, walking bases capable of performing linear reciprocating motion are mounted on the two side brackets, the walking bases are connected with a power device through a transmission device, a cat litter rake is mounted between the two walking bases and comprises rake frames and rake teeth, the two ends of each rake frame are connected with the walking bases on the two sides through rocker arms, the rake teeth are located in the middle of the rake frames, and the lower ends of the rake teeth extend into the cat litter cleaning space;

the side support is provided with a track control track, and the shape of the track control track is matched with the shape of the inner bottom surface of the container for laying the cat litter;

the end part of the rake frame is connected with the rocker arm in an inserted sliding mode to form a telescopic rod mechanism, the lower end of the rocker arm is hinged to the walking base, a long hole is formed in the side part of the rake frame or the side part of the rocker arm, a long hole is generally formed in the side part of the rocker arm, a sliding column is arranged at the end part of the rake frame and extends out of the long hole, and the sliding column is embedded into the track control track and can slide along the track control track.

The end part of the rake rack is inserted into the rocker arm, and the sliding column firstly passes through the rake rack and then passes through the long hole of the rocker arm; or the end part of the rocker arm is inserted into the harrow frame, and the sliding column firstly passes through the long hole of the rocker arm and then passes through the harrow frame.

Further, the track control track comprises an inner track, the inner track is arranged on the wall of the side support, and the sliding column is embedded into the inner track.

Further, the track control track comprises an inner track and an outer track, the inner track is arranged on the side support wall, the outer track is arranged on an outer track fixing frame, the outer track fixing frame is arranged on the side support wall in a detachable mode and is in butt joint with the inner track, both sides of the rake frame or the rocker arm are provided with long holes, the sliding columns extend out of both sides of the rake frame or the rocker arm, and both ends of the sliding columns are embedded into the inner track and the outer track.

Further, the track control track is a groove recessed in the side bracket, or the track control track is a convex track groove formed by an upper convex strip and a lower convex strip; the shape of the trajectory control trajectory is a straight line or a curved line or a combination of a straight line and a curved line.

Further, a roller is installed at the contact end of the sliding column and the track control track.

Further, the track control rail is detachably connected with the side bracket.

Furthermore, each side support is provided with a walking track, the walking base is slidably mounted on the walking tracks, the walking tracks limit the walking base to move up and down, and the walking base is connected with a mechanism for controlling the walking base to do linear reciprocating motion.

As an embodiment, the mechanism for controlling the walking base to do the linear reciprocating motion is a gear and rack mechanism, the walking base is provided with a walking gear, the side support is provided with a rack engaged with the walking gear, the other end of a gear shaft of the walking gear is connected with a transmission device, the transmission device is sleeved with a transmission cabin body, one end of the transmission cabin body is fixed on the walking base, the other end of the transmission cabin body is fixed with a power cabin body, the power cabin body is transversely arranged between the two transmission cabin bodies, and the power device is arranged in the power cabin body.

As an embodiment, the mechanism for controlling the traveling base to perform the linear reciprocating motion is a screw mechanism, a screw rod of the screw mechanism is installed on the side bracket and is parallel to the traveling rail, and the traveling base is installed on the screw rod as a nut.

As an embodiment, the mechanism for controlling the walking base to do linear reciprocating motion is a conveying belt mechanism, the conveying belt mechanism is installed on the side support and comprises two belt pulleys, a conveying belt is wound on the belt pulleys and is parallel to the walking track, and the walking base is installed on the conveying belt and moves along with the conveying belt.

As an improvement, the transmission device is a belt transmission mechanism, the power device is a motor, and two power output shafts of the motor extend out to be respectively connected with driving wheels of the belt transmission mechanisms at two sides.

As an improvement, collateral branch frame middle part is equipped with two upset touching pieces, and collateral branch frame both ends upper portion is equipped with the spacing post of angle, and collateral branch frame both ends lower part is equipped with touch switch, the lower extreme of walking base is equipped with the pulley, and it is protruding that the inboard screens that is equipped with of walking base.

The utility model has the beneficial effects that: the cat litter cleaning device can improve the cleaning effect on cat litter and realize the separation of cat litter and cat litter. The cat litter cleaning device can be matched with different cat litter containers, separation of cat litter and cat litter is achieved, the cat litter cleaning device is convenient and flexible to use, convenient to disassemble and clean, and product utilization rate is improved.

The cat litter cleaning device is provided with the track control track, the cat litter cleaning device can be used for matching different cat litter paper basins, the track control track is matched with the bottom surfaces of the cat litter basins, for example, the track of a flat-bottom cat litter basin is a straight line, and the track of a cat litter basin with a cambered surface is a curved surface. The cat litter rake can be particularly used for cleaning the bottom surface of a cat litter basin with a slope or a curved surface, the condition that the whole basin body or a paper box for containing cat litter needs to be taken out only by pushing cat litter to one end for stacking and dumping the litter can be changed, the cat litter rake can remove the separated cat litter out of a cat litter container along the inclined surface or the curved surface of the end part, the basin for containing the cat litter can be separated from a litter accumulation part, and the product utilization rate is improved.

Drawings

The utility model is further illustrated below with reference to the figures and examples.

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a partially disassembled schematic view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a schematic view of the present invention in use with a flat bottom cat litter box;

FIG. 5 is a rear perspective view of the present invention;

FIG. 6 is a side view of the present invention;

FIG. 7 is a schematic view of the connection structure of the cat sand rake, the walking base, the rocker arm, the transmission cabin body and the power cabin body;

FIG. 8 is an enlarged view of the connection structure of the traveling gear and the rack in accordance with the present invention;

FIG. 9 is an enlarged side view of the utility model;

FIG. 10 is a bottom perspective view of the walking base of the present invention;

FIG. 11 is a perspective view of the walking base of the present invention;

FIG. 12 is a schematic view of an embodiment of the utility model in which the trajectory control track is curved;

FIG. 13 is a schematic view of an arc bottom litter box;

FIG. 14 is a first state diagram of the present invention in use;

FIG. 15 is a second use state diagram of the present invention;

FIG. 16 is a third state diagram of the present invention in use;

fig. 17 is a schematic view of an embodiment of the present invention with a swing arm inserted into the rake rack;

FIG. 18 is a schematic view of a conveyor belt reciprocating mechanism embodiment of the present invention;

fig. 19 is a schematic view of an embodiment of the screw reciprocating mechanism of the present invention.

In the figure, 1, side brackets, 2, a transverse fixing part, 3, a walking base, 3-1, pulleys, 3-2, clamping protrusions, 4, a cat sand rake, 4-1, a rake frame, 4-2, rake teeth, 5, a track control track, 5-1, an inner track, 5-2, an outer track, 6, a rocker arm, 6-1, a long hole, 7, a sliding column, 7-1, a roller, 8, an outer track fixing frame, 9, a walking track, 10, a walking gear, 11, a rack, 12, a transmission cabin body, 13, a power cabin body, 14, a belt transmission mechanism, 14-1, a driving wheel, 14-2, a driven wheel, 15, a motor, 15-1, a power output shaft, 16, a screw rod, 16-1, a support, 17, a turnover touch piece, 18, an angle limiting column, 19, a touch switch, 20, a flat-bottom cat sand basin, 21. cat litter basin with arc bottom 22, fixed motor 23, conveyer belt 23-1 and belt pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the specification, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Techniques, methods, and apparatus known to those skilled in the art may not be discussed in detail but are intended to be part of the specification as appropriate.

The cat litter cleaning device comprises two side supports 1, a cat litter cleaning space is formed between the two side supports 1, the two side supports 1 can be independent supports and are connected together through a transverse fixing part 2, and the two side supports 1 can also be a part of a cat litter box, for example, the side supports are two side walls of the cat litter box. The cat litter cleaning device is characterized in that walking bases 3 capable of performing linear reciprocating motion are mounted on the two side brackets 1, the walking bases 3 are connected with a power device through a transmission device, a cat litter rake 4 is mounted between the two walking bases 3, the cat litter rake 4 comprises rake frames 4-1 and rake teeth 4-2, two ends of each rake frame 4-1 are connected with the walking bases 3 on two sides through rocker arms 6, the rake teeth 4-2 are located in the middle of the rake frames 4-1, and the lower ends of the rake teeth 4-2 extend into a cat litter cleaning space.

The side support is provided with a track control track 5, and the shape of the track control track 5 is adapted to the shape of the inner bottom surface of the container for laying the cat litter; the track control track 5 is the same as the track of the bottom surface of the cat litter basin, if the basin bottom surface shown in fig. 4 is a plane, the track control track 5 is a straight line, if the two ends of the basin bottom surface shown in fig. 12-13 are provided with upward curved arc surfaces, the track control track 5 is also provided with the same curve, after the walking base 3 runs, the rake frame 4-1 moves and adjusts the height along with the track control track 5 and the rocker arm 6, and the top ends of the rake teeth 4-2 can move along the curved surface of the bottom surface of the cat litter in an undulating mode, so that the cat litter on the basin bottom can be effectively eradicated.

The end part of the rake frame 4-1 is connected with the rocker arm 6 in an inserting type sliding mode to form a telescopic rod mechanism, the lower end of the rocker arm 6 is hinged to the walking base 3, a long hole 6-1 is formed in the side portion of the rocker arm 6, a sliding column 7 is arranged at the end part of the rake frame 4-1 and extends out of the long hole 6-1, and the sliding column 7 is embedded into the track control track 5 and can slide along the track control track 5.

As shown in fig. 7, the end of the rake 4-1 is inserted into the swing arm 6, and the slide post 7 passes through the rake and then through the long hole 6-1 of the swing arm; or as shown in fig. 17, the end of the rocker arm 6 is inserted into the rake frame 4-1, and the slide column 7 passes through the long hole 6-1 of the rocker arm and then passes through the rake frame 4-1.

Further, the track control rail 5 comprises an inner rail 5-1, the inner rail 5-1 is arranged on the wall of the side bracket 1, and the sliding column 7 is embedded in the inner rail 5-1.

Further, the track control track comprises an inner track 5-1 and an outer track 5-2, the inner track 5-1 is arranged on the wall of the side support 1, the outer track 5-2 is arranged on the outer track fixing frame 8, the outer track fixing frame 8 is detachably mounted on the wall of the side support 1 and is in butt joint with the inner track 5-1, long holes 16 are formed in two sides of the rocker arm 6, the sliding columns 7 extend out of two sides of the rocker arm 6 at the same time, and two ends of each sliding column 7 are embedded into the inner track 5-1 and the outer track 5-2 at the same time. Meanwhile, a small gap is reserved between the bottom of the outer rail fixing frame 8 and the upper portion of the walking base 3, the walking base 3 can be propped against to be prevented from tilting upwards in the movement process, and the walking base 3 is prevented from being separated from the rail.

Further, the track control rail 5 is a groove recessed in the side bracket 1, or the track control rail 5 is a protruding rail groove formed by an upper protruding strip and a lower protruding strip; the shape of the trajectory control trajectory is a straight line or a curved line or a combination of a straight line and a curved line, see fig. 4, fig. 12-13.

Further, the track control rail 5 is detachably connected to the side stand 1. In either the single inner rail embodiment or the inner and outer rail embodiments, the inner rail 5-1 and the outer rail 5-2 can be connected with the side bracket 1 in a detachable mode such as threaded connection, insertion connection and the like so as to be convenient for replacing the rail form.

Furthermore, the contact end of the sliding column 7 and the track control track 5 is provided with a roller 7-1, the operation is flexible and smooth, the friction is reduced, and the sliding column can play a certain limiting role in matching with the groove-shaped track.

Furthermore, each side support 1 is provided with a walking track 9, the walking base 3 is slidably mounted on the walking tracks 9, the walking tracks 9 limit the upward and downward movement of the walking base, the walking base 3 is preferably limited in the upward, downward, left and right directions during operation, and the walking base is connected with a mechanism for controlling the walking base to do linear reciprocating motion.

As an embodiment, as shown in fig. 1-2 and 8-11, the mechanism for controlling the walking base to do linear reciprocating motion is a rack-and-pinion mechanism, a walking gear 10 is mounted on the walking base 3, a rack 11 engaged with the walking gear 10 is mounted on the side bracket 1, the other end of a gear shaft of the walking gear 10 is connected with a transmission device, a transmission cabin 12 is sleeved outside the transmission device, one end of the transmission cabin 12 is fixed on the walking base 3, the other end of the transmission cabin 12 is fixed with a power cabin 13, the power cabin 13 is transversely arranged between the two transmission cabins 12, and the power device is mounted in the power cabin 13. This embodiment power device, transmission and walking base 3 are linked as an organic whole, together follow-up walking for power device, transmission can not rely on fixed frame, form the independent support body structure that can use in a flexible way with cat litter clearance frame main part. Under the action of the gear rack, the cat litter rake 4 can reciprocate along with the walking base 3 with the rocker arm to separate and clean cat litter and cat litter.

As an embodiment, as shown in fig. 19, the mechanism for controlling the linear reciprocating motion of the traveling base is a screw mechanism, a screw 16 of the screw mechanism is mounted on the side frame 1 through two supports 16-1 and is parallel to the traveling rail 9, and the traveling base 3 is mounted on the screw 16 as a nut. The power and transmission means may be: the screw 16 can be driven by a stationary motor 22 which is mounted at the rear end of the device and which simultaneously powers the screws 16 on both sides via a transmission mechanism such as a bevel gear, belt or the like.

As an embodiment, as shown in fig. 18, the mechanism for controlling the walking base to make a linear reciprocating motion is a conveyor belt mechanism, the conveyor belt mechanism is installed on the side bracket 1, the conveyor belt mechanism includes two belt pulleys 23-1, a conveyor belt 23 is wound on the belt pulleys, the conveyor belt 23 is parallel to the walking track 9, and the walking base 3 is installed on the conveyor belt 23 and moves along with the conveyor belt. The power and transmission means may be: the driving pulley in the pulley 23-1 is driven by a fixed motor 22, which is mounted at the rear end of the device and provides power to the pulleys on both sides simultaneously through bevel gears, belts and other transmission mechanisms.

Further, the transmission device is a belt transmission mechanism 14, the power device is a motor 15, two power output shafts 15-1 extending out of the motor 15 are respectively connected with driving wheels 14-1 of the belt transmission mechanisms 14 on two sides, and driven wheels 14-2 of the belt transmission mechanisms 14 are coaxial with the walking gear 10. When the motor rotates forward and backward, the power is transmitted to the walking gear 10, and the rack is fixed, so that the walking base 3 slides back and forth.

Further, 1 middle part of side support is equipped with two upset touching parts 17, makes cat litter rake 4 take place the upset after the both sides of cat litter rake 4 touch upset touching part 17 for example the rocking arm, can refer to fig. 14-16, and curved upset touching part 17 of slope is used for because cat litter rake 4 upper end leans forward when cat litter rake 4 moves to the centre, need with cat litter rake 4 touch upset for cat litter rake 4 is faced backward and is advanced.

The upper portions of the two ends of the side support are provided with angle limiting columns 18, the angle limiting columns 18 collide with the rocker arms 6, and when the cat sand rake 4 is guaranteed to leave from the limit positions of the two ends in the design, the rocker arms 6 and the cat sand rake 4 are guaranteed to lift due to the limitation of the track, the upper ends of the rocker arms and the cat sand rake 4 always lean forward, the sliding columns 7 of the cat sand rake 4 can be prevented from being locked at the track bending positions, and the track and the machine are prevented from being damaged.

The lower parts of the two ends of the side bracket are provided with touch switches 19 for controlling the traveling base 3 to reversely run and stop.

Furthermore, the lower end of the walking base 3 is provided with a pulley 3-1, the operation is flexible and smooth, the friction is reduced, and the inner side of the walking base 3 is provided with a clamping bulge 3-2 to prevent the mutual clamping with the internal rack 11 in the movement process.

The cat litter cleaning device can improve the cleaning effect on cat litter and realize the separation of cat litter and cat litter. The cat litter cleaning device can be matched with different cat litter containers, so that the cat litter and cat litter are separated and used conveniently and flexibly, the cat litter and cat litter are convenient to disassemble and clean, and the product utilization rate is improved.

The cat litter cleaning device is provided with the track control track, the same cat litter cleaning device can be used for matching different cat litter paper basins, the track control track is matched with the bottom surfaces of the cat litter basins, for example, if the cat litter basin with a flat bottom is a straight track, the track with a cambered surface is a curved surface, and the product utilization rate is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the utility model, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cat litter cleaning device which characterized in that: the cat litter cleaning device comprises two side brackets, a cat litter cleaning space is formed between the two side brackets, walking bases capable of performing linear reciprocating motion are respectively arranged on the two side brackets, the walking bases are connected with a power device through a transmission device, a cat litter rake is arranged between the two walking bases, the cat litter rake comprises a rake frame and rake teeth, the two ends of the rake frame are connected with the walking bases on the two sides through rocker arms, the rake teeth are positioned in the middle of the rake frame, and the lower ends of the rake teeth extend into the cat litter cleaning space;

the end part of the rake frame is connected with the rocker arm in an inserted sliding mode to form a telescopic rod mechanism, the lower end of the rocker arm is hinged to the walking base, a long hole is formed in the side part of the rake frame or the rocker arm, a sliding column is arranged at the end part of the rake frame and extends out of the long hole, and the sliding column is embedded into the track control track and can slide along the track control track.

2. The litter cleaning device of claim 1, wherein: the track control track comprises an inner track, the inner track is arranged on the wall of the side support, and the sliding column is embedded into the inner track.

3. The litter cleaning device of claim 1, wherein: the track control track comprises an inner track and an outer track, the inner track is arranged on the side support wall, the outer track is arranged on an outer track fixing frame, the outer track fixing frame is arranged on the side support wall in a detachable mode and is in butt joint with the inner track, both sides of the rake frame or the rocker arm are provided with long holes, the sliding columns extend out of both sides of the rake frame or the rocker arm, and both ends of the sliding columns are embedded into the inner track and the outer track.

4. The litter cleaning device of any of claims 1-3, wherein: the track control track is a groove which is sunken in the side bracket, or the track control track is a convex track groove which is formed by an upper convex strip and a lower convex strip; the shape of the trajectory control trajectory is a straight line or a curved line or a combination of a straight line and a curved line.

5. The litter cleaning device of any of claims 1-3, wherein: and a roller is arranged at the contact end of the sliding column and the track control track.

6. The litter cleaning device of any of claims 1-3, wherein: the track control track is detachably connected with the side support.

7. The litter cleaning device of any of claims 1-3, wherein: each side support is provided with a walking track, the walking base is slidably mounted on the walking tracks, the walking tracks limit the walking base to move in the up-and-down direction, and the walking base is connected with a mechanism for controlling the walking base to do linear reciprocating motion.

8. The litter cleaning device of claim 7, wherein: the mechanism for controlling the walking base to do linear reciprocating motion is a gear rack mechanism, a walking gear is arranged on the walking base, a rack meshed with the walking gear is arranged on the side support, the other end of a gear shaft of the walking gear is connected with a transmission device, a transmission cabin body is sleeved outside the transmission device, one end of the transmission cabin body is fixed on the walking base, a power cabin body is fixed at the other end of the transmission cabin body, the power cabin body is transversely arranged between the two transmission cabin bodies, and the power device is arranged in the power cabin body.

9. The litter cleaning device of claim 7, wherein: the mechanism for controlling the walking base to do linear reciprocating motion is a screw rod mechanism, a screw rod of the screw rod mechanism is installed on the side support and is parallel to the walking track, and the walking base is installed on the screw rod as a nut.

10. The litter cleaning device of claim 7, wherein: the mechanism for controlling the walking base to do linear reciprocating motion is a conveying belt mechanism, the conveying belt mechanism is installed on the side support and comprises two belt pulleys, a conveying belt is wound on the belt pulleys and is parallel to the walking track, and the walking base is installed on the conveying belt and moves along with the conveying belt.

11. The litter cleaning device of claim 8, wherein: the transmission device is a belt transmission mechanism, the power device is a motor, and two power output shafts of the motor extend out to be respectively connected with driving wheels of the belt transmission mechanisms on the two sides.

12. The litter cleaning device of any of claims 1 to 3, wherein: the end part of the rake rack is inserted into the rocker arm, and the sliding column firstly passes through the rake rack and then passes through the long hole of the rocker arm; or the end part of the rocker arm is inserted into the harrow frame, and the sliding column firstly passes through the long hole of the rocker arm and then passes through the harrow frame.

13. The litter cleaning device of claim 4, wherein: the end part of the rake rack is inserted into the rocker arm, and the sliding column firstly passes through the rake rack and then passes through the long hole of the rocker arm; or the end part of the rocker arm is inserted into the harrow frame, and the sliding column firstly passes through the long hole of the rocker arm and then passes through the harrow frame.

14. The litter cleaning apparatus of claim 5, wherein: the end part of the rake rack is inserted into the rocker arm, and the sliding column firstly passes through the rake rack and then passes through the long hole of the rocker arm; or the end part of the rocker arm is inserted into the harrow frame, and the sliding column firstly passes through the long hole of the rocker arm and then passes through the harrow frame.

15. The litter cleaning device of claim 6, wherein: the end part of the rake rack is inserted into the rocker arm, and the sliding column firstly passes through the rake rack and then passes through the long hole of the rocker arm; or the end part of the rocker arm is inserted into the harrow frame, and the sliding column firstly passes through the long hole of the rocker arm and then passes through the harrow frame.

16. The litter cleaning device of claim 7, wherein: the end part of the rake rack is inserted into the rocker arm, and the sliding column firstly passes through the rake rack and then passes through the long hole of the rocker arm; or the end part of the rocker arm is inserted into the harrow frame, and the sliding column firstly passes through the long hole of the rocker arm and then passes through the harrow frame.

17. The litter cleaning device of any of claims 1 to 3, wherein: the utility model discloses a walking base, including collateral branch frame, curb support, walking base, curb support, and support, are equipped with.

18. The litter cleaning device of claim 4, wherein: the utility model discloses a walking base, including collateral branch frame, curb support, walking base, curb support, and support, are equipped with.

19. The litter cleaning device of claim 5, wherein: the utility model discloses a walking base, including collateral branch frame, curb support, walking base, curb support, and support, are equipped with.

20. The litter cleaning device of claim 6, wherein: the utility model discloses a walking base, including collateral branch frame, curb support, walking base, curb support, and support, are equipped with.

21. The litter cleaning device of claim 7, wherein: the utility model discloses a walking base, including collateral branch frame, curb support, walking base, curb support, and support, are equipped with.