CN114208685B

CN114208685B - Device applied to collecting animal excreta

Info

Publication number: CN114208685B
Application number: CN202111350454.8A
Authority: CN
Inventors: 尤国旗
Original assignee: Shenzhen Haiyi Zhixin Technology Co Ltd
Current assignee: Shenzhen Haiyi Zhixin Technology Co Ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2023-02-28
Anticipated expiration: 2041-11-15
Also published as: CN114208685A

Abstract

The application relates to the technical field of animal feeding equipment, and discloses a device applied to collecting animal excreta. The device comprises a conveying assembly which is movably arranged in the accommodating cavity, wherein the conveying assembly comprises a conveying belt with a filtering hole. Therefore, along with the movement of the conveying assembly, the conveying belt can convey the excrement adsorbing body in the accommodating cavity towards the collecting assembly. The agglomerated excrement absorbent is conveyed to the collection assembly, and automatic cleaning of the agglomerated excrement absorbent is realized. And, in the in-process of carrying the excrement adsorbent at the conveyer belt, normal excrement adsorbent can get back to the holding chamber through the filtration pore on the conveyer belt, avoids the conveyer belt all to pile up the local position in the holding chamber with the excrement adsorbent of its position that passes through as far as, can reduce the local accumulational degree of excrement adsorbent, improves the device's use convenience.

Description

Device for collecting animal excrement

Technical Field

The application relates to the technical field of animal feeding equipment, in particular to a device applied to collecting animal excrement.

Background

Litter boxes, also known as cat litter boxes, are used to place litter for pet cats to void on the litter. Normal litter is generally in a loose state, and when the pet cat's waste is combined with normal litter, the otherwise loose litter clumps. The owner of the feed typically needs to clean the clotted litter from the litter box on a regular basis.

At present, there has been the cat litter basin that can clear up the caking cat litter automatically on the market. However, because the design is unreasonable, its in-process at clearance cat litter can lead to the cat litter to pile up locally, causes the cat litter volume of different positions in the cat litter basin to distribute unevenly, often needs the manual cat litter of user to spread evenly, inconvenient user daily use.

Disclosure of Invention

In view of this, the technical problem that this application mainly solved is to provide a device for collecting animal excrement is provided, can reduce the degree that excrement adsorbent local pile up, improves the convenience of use of this device.

In order to solve the technical problem, the application adopts a technical scheme that: an apparatus for use in collecting animal waste is provided. The device includes a housing assembly. The device also comprises an accommodating cavity arranged in the shell component, wherein the accommodating cavity is used for accommodating the excrement adsorbing body. The device also comprises a conveying component which is movably arranged in the accommodating cavity. The conveying assembly comprises a conveying belt with filtering holes. The apparatus also includes a collection assembly. Wherein, along with conveyor assembly's removal, the conveyer belt can be carried the excrement adsorbent in the holding chamber towards the collection subassembly, and wherein normal excrement adsorbent can get back to the holding chamber through filtering the hole, and the excrement adsorbent of caking is carried to the collection subassembly.

In an embodiment of the application, the conveying assembly further comprises a main shaft and an auxiliary shaft connected with the main shaft through a connecting piece; the conveying belt is wound on the peripheries of the main shaft and the auxiliary shaft and is at least in transmission connection with the main shaft; wherein, the normal excrement absorption body returns to the holding chamber through the filtration pore between main shaft and the auxiliary shaft.

In an embodiment of the present application, a conveyor belt includes a first belt structure extending in a first direction; and a second belt structure extending in a second direction, the first belt structure and the second belt structure being interwoven to form filtration pores; the main shaft is rotatably arranged on the shell component; the outer peripheral surface of the main shaft is provided with a first limiting groove extending along a first direction; the first belt structure is embedded into the first limiting groove along with the rotation of the main shaft so as to drive the conveying belt to convey the excrement adsorbing body towards the collecting assembly; the first direction is parallel to an axial direction of the main shaft, and the main shaft and the sub shaft are spaced from each other in the second direction.

In an embodiment of the present application, the conveying assembly further includes a main shaft in transmission connection with the conveying belt; the rack is arranged on the shell component; the gear is in transmission connection with the main shaft and can synchronously rotate; the device also comprises a driving component in transmission connection with the gear; the driving assembly is used for driving the gear to move along the rack, so that the conveying assembly is driven to move, and the main shaft drives the conveying belt to convey the excrement adsorbing body through the rotation of the gear.

In an embodiment of the present application, the conveying assembly further includes a connecting member rotatably sleeved on an outer circumference of the main shaft; the connecting piece is convexly provided with a butting part; the shell assembly is provided with a first lug and a second lug which are arranged at intervals along the moving direction of the conveying assembly; after butt portion moves along with conveying component and the first lug of butt, drive conveying component towards the bottom swing of holding chamber through the connecting piece, and after butt portion moves along with conveying component and the butt second lug, drive conveying component towards the direction swing of keeping away from the holding chamber bottom through the connecting piece.

In an embodiment of the present application, the conveying assembly further includes a guiding groove provided in the housing assembly; the guide groove is provided with a first groove section, a second groove section and a third groove section which are sequentially arranged along the direction from the first lug to the second lug; the width of the first groove section and the width of the third groove section are both larger than the width of the second groove section; the connecting piece is provided with a guide part sleeved on the periphery of the main shaft, and the guide part is embedded in the guide groove; the periphery of the guide part is provided with a first plane and a second plane which are oppositely arranged along the radial direction of the main shaft, and a third plane and a fourth plane which are oppositely arranged along the radial direction of the main shaft; the first plane and the second plane cooperate with the second trough section to limit the connecting piece from rotating in the process that the guide portion moves along the second trough section and towards the third trough section, and the third plane and the fourth plane cooperate with the second trough section to limit the connecting piece from rotating in the process that the guide portion moves along the second trough section and towards the first trough section.

In an embodiment of the application, the delivery assembly further comprises a one-way pin provided to the housing assembly; the one-way pin allows the connecting piece to swing to one side of the one-way pin, which deviates from the bottom of the accommodating cavity, and limits the connecting piece to swing towards the bottom of the accommodating cavity until the guiding part enters the second groove section.

In an embodiment of the present application, the connecting member is connected to the collecting assembly, so that the driving assembly drives the conveying assembly and the collecting assembly to move synchronously.

In an embodiment of the present application, the drive assembly comprises a drive member; the main driving wheel is in transmission connection with the driving piece; and an auxiliary drive wheel connected to the main drive wheel by a drive belt; the driving belt is in transmission connection with the gear and is used for driving the gear to move along the rack.

In an embodiment of the present application, the drive belt has a drive frame; the driving frame is sleeved on the gear and used for driving the gear to move along the rack and allowing the gear to rotate in the driving frame.

The beneficial effect of this application is: in distinction from the prior art, the present application provides a device for collecting animal waste. The device comprises a conveying assembly which is movably arranged in the accommodating cavity, wherein the conveying assembly comprises a conveying belt with a filtering hole. Therefore, along with the movement of the conveying assembly, the conveying belt can convey the excrement adsorbing body in the accommodating cavity towards the collecting assembly. The agglomerated excrement absorbent is conveyed to the collection assembly, and automatic cleaning of the agglomerated excrement absorbent is realized. In addition, in the process of conveying the excrement adsorbing bodies by the conveying belt, the normal excrement adsorbing bodies can return to the accommodating cavity through the filtering holes in the conveying belt, the phenomenon that the conveying belt accumulates the excrement adsorbing bodies passing through the positions of the conveying belt at the local positions of the accommodating cavity is avoided as much as possible, and the local accumulation degree of the excrement adsorbing bodies can be reduced. The device of this application does not need the manual even excrement adsorbent that paves of user usually after the excrement adsorbent of the clearance completion conglomeration, can improve the use convenience of device.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application. Moreover, the drawings and written description are not intended to limit the scope of the inventive concepts in any manner, but rather to illustrate the inventive concepts to those skilled in the art by reference to specific embodiments.

FIG. 1 is a schematic structural view of an embodiment of the present application as applied to an apparatus for collecting animal waste;

FIG. 2 is a schematic view of the device of FIG. 1 with a housing assembly omitted;

FIG. 3 is a schematic structural view of an embodiment of a transfer assembly of the present application;

FIG. 4 is a schematic view of a portion of the area A of the conveyor assembly shown in FIG. 3;

FIG. 5 is a schematic view of the spindle moving the belt;

FIG. 6 is a schematic view of a portion of the apparatus of FIG. 2 in the area B;

FIG. 7 is a schematic structural diagram of an embodiment of a riser of the present application;

FIG. 8 is a schematic view of another state of the apparatus of FIG. 2;

FIG. 9 is a schematic view of a portion of the structure of the region C of the apparatus of FIG. 8;

FIG. 10 is a schematic structural view of an embodiment of the connector of the present application;

FIG. 11 is a schematic view of the device of FIG. 8 from another perspective;

FIG. 12 is a schematic view of a portion of the device D shown in FIG. 11;

FIG. 13 is a schematic structural view of an embodiment of a transport assembly and collection assembly of the present application;

FIG. 14 is a schematic view of an embodiment of a collection assembly of the present application;

FIG. 15 is an exploded view of the collection assembly of FIG. 14;

FIG. 16 is a partial structural view of the region E in FIG. 13;

FIG. 17 is a schematic view of the receiving bag of the collection assembly of FIG. 14 in an open configuration;

FIG. 18 is a schematic view of the containment bag of the collection assembly of FIG. 14 in a closed configuration;

FIG. 19 is a schematic structural view of an embodiment of the retaining pin of the present application;

FIG. 20 is a schematic view of the present application retaining pin unsupported flap;

fig. 21 is a schematic view of the present application of a retaining pin retaining flap.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application, and it is obvious that the described embodiments are some but not all of the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

For solving among the prior art cat litter basin and leading to local accumulational technical problem of cat litter easily, an embodiment of this application provides a device for collecting animal excrement. The device includes a housing assembly. The device also comprises an accommodating cavity arranged in the shell component, wherein the accommodating cavity is used for accommodating the excrement adsorbing body. The device also comprises a conveying assembly movably arranged in the accommodating cavity. The conveying assembly comprises a conveying belt with filtering holes. The apparatus also includes a collection assembly. Wherein, along with conveyor components's removal, the conveyer belt can be carried the excrement adsorbent in the holding chamber towards collection assembly, and wherein normal excrement adsorbent can get back to the holding chamber through the filtration pore, and the excrement adsorbent of caking is carried to collection assembly. As described in detail below.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an embodiment of the device for collecting animal excreta according to the present application, and fig. 2 is a schematic structural view of the device shown in fig. 1 with a part of a housing assembly omitted.

In one embodiment, the device of the present embodiment for collecting animal waste can be used for feeding pet cats, particularly in the form of a litter box. Of course, the device of the embodiment can also be applied to raising other pets to collect and intensively clean excrement of the raised animals.

Specifically, the device includes a housing assembly 10. The housing assembly 10 serves as a base carrier for carrying and protecting other components. The housing assembly 10 includes a receiving chamber 11 disposed therein. The accommodating cavity 11 is used for accommodating the excrement absorbent. Further, the housing assembly 10 further includes a receiving box 12, and a receiving cavity 11 is disposed in the receiving box 12.

In the case where the above-described device of the present embodiment is applied to raising of pet cats, the excrement adsorbent may be cat litter or the like. The normal excrement absorbent is usually in a loose state, and after the excrement of the animals is combined with the normal excrement absorbent, the original loose excrement absorbent can be agglomerated, so that the excrement of the animals can be conveniently cleaned.

The apparatus further includes a delivery assembly 20 and a collection assembly 30. The conveying assembly 20 is movably disposed in the accommodating chamber 11. Along with the movement of the conveying component 20 in the accommodating cavity 11, the conveying component 20 can convey the agglomerated excrement adsorbent dispersed in the accommodating cavity 11 to the collecting component 30, and the agglomerated excrement adsorbent is collected by the collecting component 30 so as to be cleaned in a centralized manner.

Referring to fig. 3 and 4 together, fig. 3 is a schematic structural diagram of an embodiment of a conveying assembly of the present application, and fig. 4 is a partial structural diagram of a region a of the conveying assembly shown in fig. 3.

In one embodiment, the conveyor assembly 20 includes a conveyor belt 21. The conveyor belt 21 has filter holes 211. The conveyor belt 21 can convey the excrement adsorbing body in the accommodating cavity 11 towards the collecting component 30 along with the movement of the conveying component 20. Wherein, the normal excrement absorbent can return to the containing cavity 11 through the filtering holes 211, and the agglomerated excrement absorbent is conveyed to the collecting assembly 30.

Through the above manner, the agglomerated excrement absorbent is conveyed to the collection assembly 30, and the agglomerated excrement absorbent is automatically cleaned. In addition, in the process of conveying the excrement adsorbing body by the conveying belt 21, the normal excrement adsorbing body can return to the accommodating cavity 11 through the filtering holes 211 on the conveying belt 21, so that the excrement adsorbing bodies passing through the conveying belt 21 are prevented from being accumulated at the local position of the accommodating cavity 11 as far as possible, and the local accumulation degree of the excrement adsorbing body can be reduced. In other words, the device of the present embodiment does not generally require the user to manually spread the excrement absorbent after the cleaning of the agglomerated excrement absorbent, and can improve the convenience of use of the device.

In one embodiment, the conveying assembly 20 further includes a main shaft 22, an auxiliary shaft 23, and a connecting member 24. The main shaft 22 is connected to the auxiliary shaft 23 by a connecting member 24. The conveyer belt 21 is wound around the peripheries of the main shaft 22 and the auxiliary shaft 23, and the conveyer belt 21 is at least in transmission connection with the main shaft 22, i.e. the conveyer belt 21 is driven by the main shaft 22 at least to move, so that the conveyer belt 21 conveys the excrement absorbers towards the collecting assembly 30.

The main shaft 22 and the auxiliary shaft 23 are spaced apart in a second direction (as indicated by arrow Y in fig. 4, the same applies below), and the normal excrement absorbent returns to the accommodating chamber 11 through the filtering holes 211 of the conveying belt 21 between the main shaft 22 and the auxiliary shaft 23.

Further, the conveyor belt 21 comprises a first belt structure 212 and a second belt structure 213. The first belt structure 212 extends in a first direction (as indicated by arrow X in fig. 4, the same applies hereinafter) and the second belt structure 213 extends in a second direction. Wherein the first direction is parallel to the axial direction of the main shaft 22, and the first direction is perpendicular to the second direction.

The first belt structure 212 and the second belt structure 213 are interwoven to form filter holes 211. Specifically, the number of the first belt structures 212 and the number of the second belt structures 213 are plural. The plurality of first belt structures 212 and the plurality of second belt structures 213 are criss-crossed such that adjacent two first belt structures 212 and adjacent two second belt structures 213 cooperate to define a filter aperture 211. It will be appreciated that the criss-crossing first belt structure 212 and second belt structure 213 form a plurality of filter holes 211.

The spindle 22 is rotatably provided to the housing assembly 10. The outer circumferential surface of the main shaft 22 is provided with a first stopper groove 221 extending in the first direction. Along with the rotation of the main shaft 22, the first belt structure 212 of the conveying belt 21 is embedded into the first limiting groove 221, so that the main shaft 22 can drive the conveying belt 21 to move, i.e. drive the conveying belt 21 to convey the excrement absorbent toward the collecting assembly 30, as shown in fig. 5.

Alternatively, the number of the first limiting grooves 221 may be multiple, and the multiple first limiting grooves 221 are distributed at intervals along the circumferential direction of the main shaft 22. Each first belt structure 212 of the conveying belt 21 is inserted into a different first limiting groove 221 in sequence, so that the conveying belt 21 is driven to move by the rotation of the main shaft 22.

Furthermore, the outer peripheral surface of the main shaft 22 is further provided with a plurality of second limiting grooves 222, and the second limiting grooves 222 are communicated with the first limiting grooves 221. The second limiting grooves 222 extend along the circumferential direction of the main shaft 22, and the plurality of second limiting grooves 222 are distributed at intervals along the first direction. Each second band structure 213 of the conveying belt 21 is embedded in the corresponding second limiting groove 222, and the distance between each second band structure 213 is fixed through the second limiting groove 222, so that each filtering hole 211 can be well expanded, and the normal implementation of the filtering function of the conveying belt 21 is ensured.

Of course, in other embodiments of the present application, the auxiliary shaft 23 may also be designed the same as the main shaft 22, that is, the first limiting groove 221 and the second limiting groove 222 are provided to further cooperate with the conveying belt 21 in a transmission manner, which is not limited herein.

Please continue to refer to fig. 1 to fig. 3. In one embodiment, the conveyor assembly 20 further includes a rack 25 and a pinion 26. A rack 25 is provided on the housing assembly 10 and a pinion 26 is engaged with the rack 25. Gear 26 is drivingly connected to spindle 22, and gear 26 and spindle 22 are capable of synchronous rotation. Further, the gear 26 and the main shaft 22 are coaxially disposed.

The apparatus of the present embodiment applied to collect animal excreta further comprises a driving assembly 40. The drive assembly 40 is drivingly connected to the gear 26. The driving assembly 40 is used for driving the gear 26 to move along the rack 25, and further driving the whole conveying assembly 20 to move in the accommodating chamber 11, so as to clean the excrement absorbent agglomerated in the accommodating chamber 11. And, the gear 26 is kept engaged with the rack 25 in the process of moving along the rack 25, that is, the gear 26 is in a rotating state, and the main shaft 22 drives the conveyer belt 21 to convey the excrement absorbent through the rotation of the gear 26, so as to convey the excrement absorbent to the collecting assembly 30, that is, to clean the agglomerated excrement absorbent.

Further, the driving assembly 40 includes a driving member (not shown), a main driving wheel 42, a sub driving wheel 43, and a driving belt 44. The main drive wheel 42 is in driving connection with the drive member and the main drive wheel 42 is in driving connection with the auxiliary drive wheel 43 via a drive belt 44. The drive belt 44 is in driving connection with the gear wheel 26. The driving member drives the main driving wheel 42 to rotate, and the driving belt 44 is driven by the main driving wheel 42 to move, so that the gear 26 is driven to move along the rack 25.

Further, as shown in fig. 2, the driving belt 44 has a driving frame 45. The driving frame 45 is sleeved on the gear 26. With the movement of the drive belt 44, the drive belt 44 drives the gear 26 to move along the rack 25 via the drive frame 45. Moreover, the driving frame 45 and the gear 26 are not fixedly connected, and the gear 26 is allowed to rotate in the driving frame 45, so that the gear 26 can drive the conveyer belt 21 to convey the excrement adsorbing body.

Alternatively, the driving member may be a motor, etc., and is not limited herein.

Please continue to refer to fig. 1 to fig. 3. In one embodiment, the conveying assembly 20 moves from the starting point to the ending point along the third direction (as shown by the arrow Z in fig. 2), during which the conveying belt 21 keeps moving (as shown in fig. 5) to convey the excrement absorbent to the collecting assembly 30, completing the collecting operation of the agglomerated excrement absorbent (i.e. collecting to the collecting assembly 30), and then the conveying assembly 20 returns to the starting point along the opposite direction from the ending point to wait for the next collecting operation of the agglomerated excrement absorbent.

The in-process that conveyor assembly 20 removed along the third direction, conveyor assembly 20 wholly sets up relative this third direction slope, and conveyor assembly 20 at least part buries in the excrement adsorbent of holding chamber 11, the conveyer belt 21 is carried the excrement adsorbent (as shown in fig. 5) to the slant, it is the bottom of conglomeration excrement adsorbent to make conveyer belt 21 contact at the in-process of carrying the excrement adsorbent, can reduce the risk of conveyer belt 21 top broken conglomeration excrement adsorbent, be favorable to carrying the complete collection subassembly 30 of gathering the excrement adsorbent of conglomeration, especially, conveniently collect the thin form excrement.

Since the conveying member 20 is embedded in the excrement adsorbing body, for example, a part of the conveying member 20 close to the auxiliary shaft 23 is embedded in the excrement adsorbing body, the conveying member 20 maintains an inclined posture in the process of conveying the excrement adsorbing body to the collecting member 30, so that the resistance of the conveying member 20 in the moving process can be reduced, and the conveying member 20 can be conveniently driven to move.

Referring to fig. 6 and 7 together, fig. 6 is a partial schematic structural view of a region B of the device shown in fig. 2, and fig. 7 is a schematic structural view of an embodiment of a vertical plate of the present application.

Considering that the transportation unit 20 returns to its original position after completing one collection of the agglomerated excrement absorbent, if the previous inclined posture is maintained, the transportation unit 20 may be subjected to a large resistance during the return process, and there is a high possibility that the transportation unit 20 cannot move.

In view of this, the connecting element 24 of the present embodiment is rotatably sleeved on the outer circumference of the main shaft 22. The connecting member 24 is provided with an abutting portion 241. The housing assembly 10 is provided with a first projection 131 and a second projection 132 spaced apart in the moving direction of the conveying assembly 20, i.e., the first projection 131 and the second projection 132 are spaced apart in the third direction. The first projection 131 is located at the beginning of the moving direction of the conveying assembly 20, and the second projection 132 is located at the end of the moving direction of the conveying assembly 20.

Further, the housing assembly 10 includes a vertical plate 14, and the first projection 131 and the second projection 132 are located on the vertical plate 14, as shown in fig. 7.

The connecting element 24 moves synchronously with the conveying assembly 20, and after the abutting portion 241 abuts against the first protrusion 131, the first protrusion 131 forces the abutting portion 241 to drive the connecting element 24 to rotate, as shown in fig. 6. Because the first protrusion 131 is far away from the bottom of the accommodating cavity 11 relative to the connecting member 24, the connecting member 24 drives the conveying assembly 20 to swing towards the bottom of the accommodating cavity 11, so that the conveying assembly 20 is embedded in the excrement absorbent of the accommodating cavity 11.

Please refer to fig. 8 and fig. 9. The connecting piece 24 moves synchronously with the conveying assembly 20, after the abutting portion 241 abuts against the second bump 132, the second bump 132 forces the abutting portion 241 to drive the connecting piece 24 to rotate, because the second bump 132 is also far away from the bottom of the accommodating cavity 11 relative to the connecting piece 24, the connecting piece 24 drives the conveying assembly 20 to swing towards the direction far away from the bottom of the accommodating cavity 11, and further the conveying assembly 20 is far away from the excrement adsorbing body, namely the conveying assembly 20 does not contact the excrement adsorbing body in the accommodating cavity 11 in the returning process, the resistance of the conveying assembly 20 in the returning process is reduced to the maximum extent, and the conveying assembly 20 is favorable for ensuring to normally return to the starting point for the next collection and cleaning work.

Alternatively, the second protrusion 132 may cooperate with the abutting portion 241 to drive the conveying assembly 20 to swing to the horizontal position, as shown in fig. 8.

Further, referring to fig. 10, the conveying assembly 20 further includes a guiding groove 27 disposed on the housing assembly 10. Specifically, the guide groove 27 may be provided in the vertical plate 14. The connecting member 24 has a guiding portion 242 sleeved on the outer periphery of the main shaft 22, the guiding portion 242 is embedded in the guiding groove 27, and the guiding portion 242 can move in the guiding groove 27 along with the movement of the conveying assembly 20 for guiding the movement of the conveying assembly 20.

The guide groove 27 has a first groove section 271, a second groove section 272, and a third groove section 273, which are sequentially arranged in a direction from the first projection 131 toward the second projection 132, as shown in fig. 7. The width D1 of the first groove segment 271 and the width D3 of the third groove segment 273 are both greater than the width D2 of the second groove segment 272. The outer periphery of the guide portion 242 has a first plane 243 and a second plane 244 oppositely disposed in the radial direction of the main shaft 22, and a third plane 245 and a fourth plane 246 oppositely disposed in the radial direction of the main shaft 22, as shown in fig. 10.

The first plane 243 and the second plane 244 cooperate with the second groove segment 272 to restrict the rotation of the link 24 during the movement of the guide portion 242 along the second groove segment 272 and toward the third groove segment 273. In other words, during the movement of the transporting assembly 20 for collecting the agglomerated excreta adsorbent, the distance between the first plane 243 and the second plane 244 is exactly equal to the width of the second groove section 272, and the transporting assembly 20 maintains the above-mentioned inclined posture by the cooperation of the first plane 243 and the second plane 244 with the second groove section 272.

While the third plane 245 and the fourth plane 246 cooperate with the second groove segment 272 to limit the rotation of the connector 24 during the movement of the guide portion 242 along the second groove segment 272 and toward the first groove segment 271. In other words, during the returning process of the transport assembly 20, the distance between the third plane 245 and the fourth plane 246 is also exactly equal to the width of the second groove segment 272, and the transport assembly 20 is smoothly returned to the starting point by the cooperation of the third plane 245 and the fourth plane 246 with the second groove segment 272 in a state of keeping away from the excrement absorbent body.

Since the width D1 of the first groove segment 271 and the width D3 of the third groove segment 273 are both greater than the width D2 of the second groove segment 272, the first groove segment 271 and the third groove segment 273 have enough space for the guide 242 to rotate, i.e., allow the connecting element 24 to rotate. Specifically, when the guiding portion 242 is located at the first groove section 271, the connecting member 24 is allowed to drive the conveying assembly 20 to swing towards the bottom of the accommodating cavity 11; when the guiding portion 242 is located at the third groove portion 273, the connecting member 24 is allowed to swing the conveying assembly 20 away from the bottom of the accommodating chamber 11.

It should be noted that the first protrusion 131 is disposed on the casing assembly 10 near the first trough section 271, and the second protrusion 132 is disposed on the casing assembly 10 near the third trough section 273. The width D1 of the first groove segment 271, the width D2 of the second groove segment 272, and the width D3 of the third groove segment 273 all refer to the length of each of the first groove segment 271, the second groove segment 272, and the third groove segment 273 in the fourth direction. The fourth direction is perpendicular to the bottom of the accommodating cavity 11 and the third direction.

Further, referring to fig. 11 and 12, the delivery assembly 20 further includes a one-way pin 28 disposed on the housing assembly 10. Specifically, the one-way pin 28 may be provided on the vertical plate 14. During the swinging of the transferring assembly 20 away from the bottom of the housing chamber 11, the one-way pin 28 allows the connecting piece 24 to swing to the side of the one-way pin 28 facing away from the bottom of the housing chamber 11. And, the one-way pin 28 can limit the connecting piece 24 from swinging towards the bottom of the accommodating cavity 11 until the guide part 242 enters the second groove section 272 along with the return of the conveying assembly 20, and the connecting piece 24 leaves the one-way pin 28.

In other words, the conveying member 20 swings away from the bottom of the accommodating chamber 11, so that the conveying member 20 leaves the excrement adsorbing body. During the return of the transferring assembly 20, when the guide portion 242 of the link 24 is in the third groove section 273, the transferring assembly 20 is maintained in a state away from the excreta adsorbent by the one-way pin 28; when the guiding part 242 enters the second groove section 272, the delivery assembly 20 leaves the one-way pin 28, and the guiding part 242 and the second groove section 272 cooperate to limit the rotation of the connecting piece 24, i.e. the delivery assembly 20 is still kept away from the excrement adsorbing body; until the guiding portion 242 enters the first groove section 271, the conveying assembly 20 swings towards the bottom of the accommodating chamber 11, so that the conveying assembly 20 is embedded into the excrement absorbent of the accommodating chamber 11 again, so as to start the next cleaning operation of the agglomerated excrement absorbent.

Optionally, the one-way pin 28 has an inclined surface towards the bottom of the housing chamber and facing away from the riser 14 on which the one-way pin 28 is located, so that the one-way pin 28 allows the link 24 to swing to the side of the one-way pin 28 facing away from the bottom of the housing chamber 11.

The operation of the conveyor assembly 20 of the embodiment of the present application is generally described below.

As shown in fig. 2, when the excrement absorbent agglomerated in the accommodating chamber 11 needs to be cleaned, the driving assembly 40 drives the conveying assembly 20 to move in the third direction, the conveying assembly 20 keeps a state of being pushed forward obliquely, and the conveying belt 21 conveys the excrement absorbent obliquely upward to the collecting assembly 30. And when the conveyor assembly 20 moves to the end, the conveyor assembly 20 swings to a horizontal position, as shown in fig. 8. Then the conveying assembly 20 returns to the starting point, the conveying assembly 20 is kept in the horizontal position until the starting point is reached, the conveying assembly 20 swings towards the bottom of the accommodating cavity 11 again, and the conveying assembly 20 is buried in the excrement absorbent in the accommodating cavity 11 again so as to start the cleaning work of the agglomerated excrement absorbent next time.

Referring to fig. 13 to 15, fig. 13 is a schematic structural view of an embodiment of a conveying assembly and a collecting assembly of the present application, fig. 14 is a schematic structural view of an embodiment of a collecting assembly of the present application, and fig. 15 is a schematic exploded structural view of the collecting assembly shown in fig. 14.

In one embodiment, the collection assembly 30 includes a buffer magazine 31. The temporary storage box 31 is in transmission connection with the conveying assembly 20, the temporary storage box 31 can move synchronously with the conveying assembly 20, and the temporary storage box 31 is used for temporarily storing the excrement adsorbing bodies conveyed by the conveying assembly 20.

When cleaning of the excrement absorbent agglomerated in the accommodating chamber is required, the temporary storage box 31 moves in a direction close to the conveying assembly 20 (as shown by an arrow M in fig. 13, the same applies below); when the conveying unit 20 returns, the buffer cassette 31 moves in a direction away from the conveying unit 20 (as indicated by an arrow N in fig. 13, the same applies below).

The collection assembly 30 further includes a receiving bag 32. The receiving bag 32 is used for receiving the conglomerated excrement absorbent cleaned out from the receiving cavity. The user only need regularly clear up accommodate in the bag 32 the excrement adsorbent of conglomeration can, need not the excrement adsorbent in the manual clearance holding chamber, the device that this embodiment was applied to and is collected animal excrement promptly can replace the user to clear up the excrement adsorbent. Wherein, the accommodating bag 32 has a bag opening 321, when the bag opening 321 of the accommodating bag 32 is opened, the excrement absorbent in the temporary storage box 31 is sent into the accommodating bag 32 for subsequent centralized cleaning.

The collection assembly 30 further includes a linkage 50. The linkage 50 is capable of selectively opening or closing the bag opening 321, i.e., the receiving bag 32, along with the movement of the temporary storage box 31, so as to feed the waste absorbent in the temporary storage box 31 into the receiving bag 32 when the bag opening 321 is opened. In other words, the conveying assembly 20 moves in the third direction to clean the excrement absorbent in the accommodating chamber, and the temporary storage box 31 can move synchronously with the conveying assembly 20 to temporarily store the excrement absorbent conveyed by the conveying assembly 20 and drive the linkage mechanism 50 to open or close the bag opening 321.

In this way, the bag opening 321 of the accommodating bag 32 of the present embodiment is not normally open, so that the odor diffusion degree can be reduced, which is beneficial to improving the user experience. In addition, the temporary storage box 31 drives the linkage mechanism 50 to open or close the bag opening 321 along with the synchronous movement of the conveying assembly 20, that is, the conveying assembly 20 and the linkage mechanism 50 are driven by the same set of driving system in this embodiment, which is beneficial to simplifying the structure of the device and reducing the cost.

Further, both the conveyor assembly 20 and the linkage 50 are driven by the drive assembly described above.

Furthermore, the buffer box 31 may be drivingly connected to the above-mentioned connecting member 24, so that the buffer box 31 can move synchronously with the conveying assembly 20. Specifically, one of the temporary storage box 31 and the connecting piece 24 is provided with a transmission lug, and the other one is provided with a transmission groove, and the transmission lug is embedded in the transmission groove, so that transmission connection between the temporary storage box 31 and the connecting piece 24 is realized. Fig. 16 shows the case where the buffer case 31 is provided with the driving protrusions 311 and the connecting member 24 is provided with the driving grooves 247, by way of example only, and not by way of limitation.

In one embodiment, the collection assembly 30 further includes a receptacle 33. The storage bag 32 is stored in the storage box 33.

The linkage 50 includes a first connecting rod 51 and a second connecting rod 52. The first and second connection bars 51 and 52 are coupled to the sidewalls of the receiving box 33. The first connecting rod 51 and the second connecting rod 52 are connected to the receiving bag 32. When the first and second connection bars 51 and 52 are distant from each other, the mouth 321 of the receiving pocket 32 is opened, and when the first and second connection bars 51 and 52 are adjacent to each other, the mouth 321 of the receiving pocket 32 is closed.

The linkage mechanism 50 further includes a first recess 331, and the first recess 331 is disposed on a sidewall of the storage box 33. Specifically, the first recess 331 is recessed toward the bottom of the housing box 33.

The linkage 50 also includes a hook assembly (including a first hook 53, a second hook 54, a third hook 55, etc., hereinafter). With the movement of the temporary storage box 31, the hook assembly can drive the first connecting rod 51 to fall into the first groove 331 and drive the second connecting rod 52 to leave the first connecting rod 51, so that the bag opening 321 is opened, as shown in fig. 17; and can bring the first connecting bar 51 adjacent to the second connecting bar 52 so that the mouth 321 is closed, as shown in fig. 14 and 18.

In one embodiment, the hook assembly includes a first hook 53. The first hook 53 is disposed on the temporary storage box 31, that is, the first hook 53 can move synchronously with the temporary storage box 31. Along with the temporary storage box 31 moving in the direction close to the conveying assembly 20, the first hook 53 drives the first connecting rod 51 to fall into the first groove 331, and along with the temporary storage box 31 moving in the direction away from the conveying assembly 20, the first hook 53 drives the second connecting rod 52 to leave away from the first connecting rod 51, at this time, the bag opening 321 of the accommodating bag 32 is opened, and the excrement adsorbing body temporarily stored in the temporary storage box 31 can be conveyed into the accommodating bag 32.

Further, the hook assembly also includes a second hook 54. The second hook 54 is disposed on the buffer box 31, that is, the second hook 54 can move synchronously with the buffer box 31. The second hook 54 is spaced from the carrier assembly 20 relative to the first hook 53. The linkage mechanism 50 further includes a second groove 332, and the second groove 332 is disposed on a sidewall of the storage box 33. The second groove 332 is communicated with the first groove 331, and the second groove 332 is far away from the conveying assembly 20 relative to the first groove 331. Specifically, the second groove 332 is recessed toward the bottom of the housing box 33.

As the buffer box 31 moves in the direction approaching the conveying assembly 20, the second hook 54 drives the second connecting rod 52 to fall into the second groove 332. Specifically, as the temporary storage box 31 moves in the direction approaching the conveying assembly 20, the temporary storage box 31 leaves the storage bag 32, that is, it is not the time when the temporary storage box 31 sends the excrement absorbent into the storage bag 32, and the bag opening 321 of the storage bag 32 needs to be kept closed, so as to prevent odor emitted from the excrement absorbent agglomerated in the storage bag 32 from spreading to the outside. Therefore, as the buffer box 31 moves in the direction approaching the conveying assembly 20, the first hook 53 drives the first connecting rod 51 to fall into the first recess 331, and the second hook 54 drives the second connecting rod 52 to fall into the second recess 332, so that the first connecting rod 51 and the second connecting rod 52 are still adjacent to each other, i.e. the bag opening 321 is still closed, as shown in fig. 18.

The first hook body 53 is close to the escrow box 31 with respect to the groove bottom of the first recess 331, and the end of the first hook body 53 remote from the escrow box 31 is remote from the escrow box 31 with respect to the groove bottom of the second recess 332. As a result, as the buffer box 31 moves in a direction away from the conveying assembly 20, at this time, the first connecting rod 51 is already located in the first recess 331, the first hook 53 moves away from the first connecting rod 51 to hook the second connecting rod 52 out of the second recess 332, that is, the first hook 53 drives the second connecting rod 52 away from the first connecting rod 51, so that the bag opening 321 of the accommodating bag 32 is opened.

And, the second hook 54 is close to the escrow cassette 31 with respect to the groove bottom of the second groove 332. As the buffer magazine 31 moves in a direction away from the conveyor assembly 20, the second hook 54 first passes the second connecting rod 52 in the second recess 332 relative to the first hook 53, and the second hook 54 moves out of the second connecting rod 52, so that the first hook 53 hooks the second connecting rod 52 out of the second recess 332.

Of course, in other embodiments of the present application, the second hook 54 may hook the second connecting rod 52 out of the second groove 332, so that the second connecting rod 52 is far away from the first connecting rod 51, and the bag opening 321 of the receiving bag 32 is opened, and the structure is only required to be adjusted adaptively, which is not limited herein.

Further, the hook assembly further includes a third hook 55. The third hook 55 is disposed on the temporary storage box 31, that is, the third hook 55 can move synchronously with the temporary storage box 31. The third hook 55 is adjacent to the conveyor assembly 20 relative to the first hook 53. The linkage 50 also includes a first resilient member 56. The first elastic member 56 has one end connected to the first connecting rod 51 and the other end near a side of the housing box 33 away from the conveying assembly 20.

As the temporary storage box 31 moves in the direction away from the conveying assembly 20, the first hook 53 passes through the first connecting rod 51 in the first recess 331 relative to the third hook 55, the first hook 53 is out of the first connecting rod 51, the third hook 55 hooks the first connecting rod 51 out of the first recess 331, and then the first elastic member 56 drives the first connecting rod 51 to be adjacent to the second connecting rod 52, so that the opened bag opening 321 of the storage bag 32 is closed again, so that the bag opening 321 of the storage bag 32 is closed in time after the temporary storage box 31 feeds the excrement absorbent into the storage bag 32, and odor emitted from the excrement absorbent in the storage bag 32 is prevented from being diffused to the outside as much as possible, as shown in fig. 14.

It should be noted that, in the process that the first hook 53 drives the first connecting rod 51 to fall into the first recess 331, the first elastic element 56 is stretched, so that after the third hook 55 hooks the first connecting rod 51 out of the first recess 331, the first elastic element 56 can drive the first connecting rod 51 to move toward the second connecting rod 52.

Further, the linkage mechanism 50 further includes a second elastic member 57. The second elastic member 57 has one end connected to the second connecting rod 52 and the other end near a side of the housing box 33 away from the conveying assembly 20. As the buffer box 31 moves in a direction away from the conveying assembly 20, the first hook 53 hooks the second connecting rod 52 out of the second groove 332, and the second elastic element 57 is used to cooperate with the first hook 53 to drive the second connecting rod 52 away from the first connecting rod 51, so as to open the mouth 321 of the accommodating bag 32, as shown in fig. 17.

Alternatively, the first elastic member 56 and the second elastic member 57 may be a tension spring or the like, which is not limited herein.

Fig. 19 to 21 are schematic views of an embodiment of the present invention, fig. 19 is a schematic view of a structure of an embodiment of the present invention, fig. 20 is a schematic view of an embodiment of the present invention, and fig. 21 is a schematic view of an embodiment of the present invention.

In one embodiment, collection assembly 30 further includes a flap 34. The turning plate 34 is rotatably disposed at the bottom of the temporary storage box 31, the excrement adsorbent temporarily stored in the temporary storage box 31 is stacked on the turning plate 34, and after the turning plate 34 rotates and leaves the bottom of the temporary storage box 31, the excrement adsorbent temporarily stored in the temporary storage box 31 is conveyed into the accommodating bag 32 through the bottom of the temporary storage box 31, so that the excrement adsorbent is intensively accommodated in the accommodating bag 32, and subsequent centralized cleaning is facilitated.

The collection assembly 30 also includes a stop pin 35. The stopper pin 35 is rotatably provided to the buffer case 31. The stopper pin 35 has a turning portion 351 and a stopper portion 352. The housing assembly 10 defines a diverter slot 15.

As the buffer box 31 moves in a direction away from the conveying assembly 20, the turning portion 351 is embedded in the turning groove 15 and cooperates with the turning groove 15 to rotate the stopping pin 35, so that the stopping portion 352 leaves the bottom of the turning plate 34, and the turning plate 34 rotates toward the receiving bag 32 to feed the waste absorbent buffered in the buffer box 31 into the receiving bag 32.

Specifically, the flap 34 is pivotally connected to a side of the escrow cassette 31 adjacent to the transport assembly 20. As shown in fig. 21, as the buffer box 31 moves in a direction approaching the transporting assembly 20 (as shown by the dotted arrow in fig. 21), the turning portion 351 is embedded in the turning groove 15 and cooperates with the turning groove 15 to drive the stop pin 35 to rotate, so that the stop portion 352 rotates to the bottom of the turning plate 34 (i.e. the side of the turning plate 34 facing the accommodating bag 32), the stop portion 352 supports the turning plate 34 to prevent the turning plate 34 from rotating in a direction away from the buffer box 31, and at this time, the buffer box 31 follows the transporting assembly 20 to clean the agglomerated excrement absorbent, and the turning plate 34 is used for supporting the excrement absorbent transported to the buffer box 31 by the transporting assembly 20.

During the process of returning the conveying assembly 20, as the buffer box 31 moves in the direction away from the conveying assembly 20, the turning part 351 is again inserted into the turning groove 15 and cooperates with the turning groove 15 to drive the stop pin 35 to rotate, and at this time, the stop part 352 leaves the bottom of the flap 34 and no longer supports the flap 34, as shown in fig. 20. The flap 34 is rotated away from the temporary storage box 31, and the opening 321 of the positive storage bag 32 is opened, so that the excrement absorbent temporarily stored in the temporary storage box 31 can be fed into the storage bag 32, as shown in fig. 18. Then, as the buffer box 31 moves in a direction away from the conveying assembly 20, the third hook 55 hooks the first connecting rod 51 out of the first recess 331, and the first connecting rod 51 supports the flap 34 instead of the stop pin 35, so that the flap 34 rotates toward the buffer box 31 again and returns to the bottom of the buffer box 31, as shown in fig. 14.

Further, the turning groove 15 may be provided in the vertical plate 14 described above. The stop pin 35 also includes a body portion 353. The turning portion 351 and the stopper portion 352 are located at the main body portion 353. The turning portion 351 has elasticity, and the length L of the turning portion 351 is greater than the minimum distance W between the main body portion 353 and the upright plate 14.

In other words, when the stopper pin 35 is not moved to the turning groove 15, the turning portion 351 is bent between the main body portion 353 and the riser 14 by interference fit, and until the stopper pin 35 is moved to the turning groove 15, the turning portion 351 is restored to be fitted into the turning groove 15 and rotated by engaging with the turning groove 15.

The operation of the collection assembly 30 of the embodiment of the present application is generally described below.

When the excrement absorbent agglomerated in the accommodating cavity needs to be cleaned, the conveying assembly 20 moves along the third direction, and the temporary storage box 31 moves synchronously along with the conveying assembly 20. As the buffer box 31 moves in the direction approaching the conveying assembly 20, the first hook 53 drives the first connecting rod 51 to fall into the first recess 331, and the second hook 54 drives the second connecting rod 52 to fall into the second recess 332, while the bag opening 321 remains closed, as shown in fig. 18.

After the collection of the agglomerated excrement absorbent is completed, the conveying unit 20 returns in the reverse direction, and the buffer box 31 moves synchronously with the conveying unit 20. As the temporary storage box 31 moves in the direction away from the conveying assembly 20, the first hook 53 hooks the second connecting rod 52 out of the second groove 332, and cooperates with the second elastic member 57 to drive the second connecting rod 52 to return, at this time, the first connecting rod 51 is still located in the first groove 331, that is, the first connecting rod 51 and the second connecting rod 52 are away from each other, the bag opening 321 of the accommodating bag 32 is opened, and the excrement absorbent in the temporary storage box 31 is conveyed into the accommodating bag 32, as shown in fig. 17.

Then, as the temporary storage box 31 moves in a direction away from the conveying assembly 20, the third hook 55 hooks the first connecting rod 51 out of the first recess 331, and the first elastic element 56 drives the first connecting rod 51 to return, i.e. drives the first connecting rod 51 to move toward the second connecting rod 52, so that the first connecting rod 51 is adjacent to the second connecting rod 52, and the bag opening 321 of the accommodating bag 32 is closed again, as shown in fig. 14.

In addition, in the present application, unless otherwise expressly specified or limited, the terms "connected," "stacked," and the like are to be construed broadly, e.g., as meaning permanently attached, removably attached, or integral to one another; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. An apparatus for use in collecting animal waste, comprising:

a housing assembly;

a holding cavity arranged in the shell component, wherein

The accommodating cavity is used for accommodating the excrement adsorbent;

a conveying assembly movably arranged in the accommodating cavity, wherein

The conveying assembly comprises a conveying belt with filtering holes; and

a collection assembly; wherein

The conveying belt can convey the excrement adsorbate in the containing cavity towards the collecting component along with the movement of the conveying component, wherein the normal excrement adsorbate can return to the containing cavity through the filtering holes, and the agglomerated excrement adsorbate is conveyed to the collecting component;

wherein the delivery assembly further comprises:

the main shaft is in transmission connection with the conveying belt;

the rack is arranged on the shell assembly; and

the gear is meshed with the rack and is in transmission connection with the main shaft and can synchronously rotate;

the device further comprises:

the driving component is in transmission connection with the gear;

the driving assembly is used for driving the gear to move along the rack so as to drive the conveying assembly to move, and the main shaft drives the conveying belt to convey the excrement adsorbing body through the rotation of the gear;

the delivery assembly further comprises:

the connecting piece is rotatably sleeved on the periphery of the main shaft;

the connecting piece is convexly provided with a butting part;

the shell assembly is provided with a first lug and a second lug which are arranged at intervals along the moving direction of the conveying assembly;

after the abutting part abuts against the first bump along with the movement of the conveying assembly, the conveying assembly is driven to swing towards the bottom of the accommodating cavity through the connecting piece, and after the abutting part abuts against the second bump along with the movement of the conveying assembly, the conveying assembly is driven to swing towards the direction far away from the bottom of the accommodating cavity through the connecting piece.

2. The apparatus of claim 1,

the delivery assembly further comprises:

a main shaft; and

the auxiliary shaft is connected with the main shaft through a connecting piece;

the conveying belt is wound on the peripheries of the main shaft and the auxiliary shaft and is at least in transmission connection with the main shaft;

wherein, the normal excrement absorption body returns to the holding chamber through the filtration pore between main shaft and the auxiliary shaft.

3. The apparatus of claim 2,

the conveyer belt includes:

a first belt structure extending in a first direction; and

a second belt structure extending in a second direction, the first and second belt structures being interwoven to form the filter pores;

the main shaft is rotatably arranged on the shell assembly;

the outer peripheral surface of the main shaft is provided with a first limiting groove extending along the first direction;

the first belt structure is embedded into the first limiting groove along with the rotation of the main shaft so as to drive the conveying belt to convey the excrement adsorbing body towards the collecting assembly;

the first direction is parallel to an axial direction of the main shaft, and the main shaft and the auxiliary shaft are spaced apart from each other in the second direction.

4. The apparatus of claim 1,

the delivery assembly further comprises:

the guide groove is arranged on the shell component;

the guide groove is provided with a first groove section, a second groove section and a third groove section which are sequentially arranged along the direction from the first lug to the second lug;

the width of the first groove section and the width of the third groove section are both larger than the width of the second groove section;

the connecting piece is provided with a guide part sleeved on the periphery of the main shaft, and the guide part is embedded in the guide groove;

the outer periphery of the guide part is provided with a first plane and a second plane which are oppositely arranged along the radial direction of the main shaft, an

A third plane and a fourth plane which are arranged along the radial direction of the main shaft in an opposite way;

the first and second flat surfaces cooperate with the second slot segment to limit rotation of the connector during movement of the guide portion along the second slot segment and toward the third slot segment, and the third and fourth flat surfaces cooperate with the second slot segment to limit rotation of the connector during movement of the guide portion along the second slot segment and toward the first slot segment.

5. The apparatus of claim 4,

the delivery assembly further comprises:

the one-way pin is arranged on the shell component;

the one-way pin allows the connecting piece to swing to one side, deviating from the bottom of the containing cavity, of the one-way pin, and limits the connecting piece to swing towards the bottom of the containing cavity until the guiding part enters the second groove section.

6. The apparatus of claim 1,

the connecting piece is connected with the collecting assembly so as to drive the conveying assembly and the collecting assembly to move synchronously by the driving assembly.

7. The apparatus of claim 1,

the drive assembly includes:

a drive member;

the main driving wheel is in transmission connection with the driving piece; and

a secondary drive wheel connected to the primary drive wheel by a drive belt;

the driving belt is in transmission connection with the gear and is used for driving the gear to move along the rack.

8. The apparatus of claim 7,

the drive belt has a drive frame; wherein

The driving frame is sleeved on the gear and used for driving the gear to move along the rack and allowing the gear to rotate in the driving frame.