Pet toilet

Abstract

According to the pet toilet, due to the fact that the sand blocking box is connected with the base, pet sand can be blocked in the first containing space through the sand blocking box, the pet sand is prevented from overflowing from the first containing space, and meanwhile the pet sand is prevented from being brought out of the first containing space after a pet defecates; due to the fact that the sand blocking box is connected with the base, the sand blocking box does not need to rotate along with the roller, the roller can rotate more smoothly, and pet sand is prevented from being thrown out in the rotating process of the roller; and the sand blocking box is connected with the base, so that the sand blocking box does not need to rotate along with the roller, and the sand blocking box can still effectively prevent the cat litter from overflowing from the bottom of the roller when the roller rotates.

Description

Technical Field

[0001] The utility model relates to the field of pet supplies, in particular to a pet toilet. Background Art

[0002] With the continuous improvement of material life and the simplicity of family members, pets have become an important part of the family. Currently, there are a large number of automatic cat litter boxes on the market. During the operation of the automatic cat litter box, some residual cat litter or cat litter that has not been cleaned up will fall into the area outside the cat litter box. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a pet toilet, comprising:

[0004] a drum having a first opening and a first receiving space, the first opening being in communication with the first receiving space, the first receiving space being used to receive pet excrement and pet litter; the drum having a first end and a second end opposite to the first end, the first opening being located at the first end;

[0005] a base, the roller being supported on the base;

[0006] The device further comprises a screen assembly connected to the drum, the screen assembly and the inner wall of the drum surrounding each other to form a third accommodation space, the third accommodation space being adjacent to the first accommodation space, the screen assembly being used to screen the pet litter and the excrement;

[0007] The invention also includes a feces collection bin, the feces collection bin is connected to the drum, the feces collection bin has a second storage space and a second opening, and the second opening is connected to the second storage space;

[0008] a driving device for driving the drum to rotate on the base; when the drum rotates from the initial position toward the discharge position, pet litter can pass through the screen assembly into the third storage space, excrement is restricted outside the third storage space, and excrement can be discharged into the second storage space through the second opening by its own gravity; when the drum rotates from the discharge position toward the initial position, pet litter in the third storage space can pass through the screen assembly and fall back into the first storage space by its own gravity;

[0009] A sand retaining box is further included, which is connected to the base and covers at least a portion of the first opening. The sand retaining box is used to retain pet litter in the first accommodation space.

[0010] As an improvement of the present invention, the lower side of the sand retaining box has an inserting portion, the base has a second inserting slot, and the inserting portion is detachably connected to the second inserting slot.

[0011] As an improvement of the present invention, guide protrusions extend from both sides of the insertion portion, and guide grooves are provided on both sides of the second insertion slot, and the guide protrusions are connected to the guide grooves.

[0012] As an improvement of the present invention, the inserting portion is a second inserting portion that is narrow at the bottom and wide at the top, and the second inserting slot is a second inserting slot that is narrow at the bottom and wide at the top.

[0013] As an improvement of the present invention, the insertion portion has a left side portion and a right side portion, the left side portion has a first slit, the right side portion has a second slit, an intermediate elastic portion is formed between the first slit and the second slit, and the intermediate elastic portion is pressed against the inner wall of the second insertion slot.

[0014] As an improvement of the present invention, the upper side of the sand retaining box has a plurality of raised anti-slip lines.

[0015] As an improvement of the present invention, the sand retaining box has an inner part and an outer part, the inner part is connected to the outer part, the edge of the first opening is located between the inner part and the outer part, and a second limiting groove is formed between the inner part and the outer part, and the second limiting groove is sleeved on the edge of the first opening so that the edge of the first opening can rotate in the second limiting groove.

[0016] As an improvement of the present invention, the second limiting groove is an arc-shaped second limiting groove.

[0017] As an improvement of the present invention, the inner part and the outer part are detachably connected.

[0018] As an improvement of the present invention, the center of the inner part has a first connecting hole, both sides of the inner part have a second connecting hole, the center of the outer part has a first positioning column, both sides of the outer part have a third connecting hole, the first positioning column is connected to the first connecting hole, and the second connecting hole is connected to the third connecting hole by screws.

[0019] The beneficial effects of the present invention are as follows: the present invention provides a pet toilet. Through the above-mentioned structure, the litter retaining box can retain pet litter within the first storage space, preventing the pet litter from overflowing from the first storage space and preventing the pet from carrying the pet litter out of the first storage space after defecation. Furthermore, because the litter retaining box is connected to the base, it does not need to rotate with the drum, allowing the drum to rotate more smoothly and preventing the pet litter from being thrown out during rotation. Furthermore, because the litter retaining box is connected to the base, it does not need to rotate with the drum, so that when the drum rotates, the litter retaining box can still effectively prevent cat litter from overflowing from the bottom of the drum. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a schematic diagram of the overall structure of the utility model when the support frame is in the expanded position;

[0023] Figure 2 yes Figure 1 A magnified view of point A;

[0024] Figure 3 This is a schematic diagram of the overall structure of the present invention when the support frame is in the folded position;

[0025] Figure 4 yes Figure 3 Enlarged view of point B;

[0026] Figure 5 It is an exploded view of the utility model;

[0027] Figure 6 yes Figure 5 Enlarged view of point C;

[0028] Figure 7 yes Figure 5 Enlarged view of point D;

[0029] Figure 8 yes Figure 5 The enlarged view of point W;

[0030] Figure 9 It is a structural diagram of the sand retaining box;

[0031] Figure 10 It is a structural diagram of the drum;

[0032] Figure 11 It is an exploded view of the drum;

[0033] Figure 12 yes Figure 11 Enlarged view of point G;

[0034] Figure 13 yes Figure 11 Enlarged view of H;

[0035] Figure 14 It is a structural diagram of the drive device, roller and base;

[0036] Figure 15 is another structural diagram of the drive device, the roller and the base;

[0037] Figure 16 It is a structural diagram when the support arm is in the supporting position;

[0038] Figure 17 is a schematic diagram of the structure when the support arm is in the folded storage position;

[0039] Figure 18 This is an exploded view of the support arm and base;

[0040] Figure 19 It is a cross-sectional view cut along the roller, base and support frame;

[0041] Figure 20 yes Figure 19 Enlarged view of point E;

[0042] Figure 21 is another cross-sectional view cut along the roller, base and support frame;

[0043] Figure 22 yes Figure 21 Enlarged view of point F;

[0044] Figure 23 It is a cross-sectional view taken along the drum when the compartment door cover closes the second opening;

[0045] Figure 24 This is a cross-sectional view taken along the drum when the door cover opens the second opening; DETAILED DESCRIPTION

[0046] Reference Figures 1 to 24 , a pet toilet, comprising:

[0047] The drum 1 has a first opening 11 and a first receiving space 12. The first opening 11 communicates with the first receiving space 12. The first receiving space 12 is used to receive pet excrement and pet litter. The drum 1 has a first end 13 and a second end 14 opposite to the first end 13. The first opening 11 is provided at the first end 13.

[0048] The drum 1 is supported on a base 2 ; the bottom of the base 2 has a first supporting portion 21 and a second supporting portion 22 opposite to the first supporting portion 21 ;

[0049] The device further includes a sieve assembly 3 connected to the drum 1. The sieve assembly 3 and the inner wall of the drum 1 surround each other to form a third receiving space 31. The third receiving space 31 is adjacent to the first receiving space 12. The sieve assembly 3 is used to screen pet litter and excrement.

[0050] The drum 1 further includes a feces collecting bin 4, which is connected to the drum 1 and has a second accommodating space 41 and a second opening 42, wherein the second opening 42 is connected to the second accommodating space 41;

[0051] The driving device 5 is used to drive the drum 1 to rotate on the base 2. When the drum 1 rotates from the initial position toward the discharge position, pet litter passes through the sieve assembly 3 and enters the third storage space 31. Excrement is confined outside the third storage space 31 and can be discharged into the second storage space 41 through the second opening 42 by its own gravity. When the drum 1 rotates from the discharge position toward the initial position, the pet litter in the third storage space 31 passes through the sieve assembly 3 and falls back into the first storage space 12 by its own gravity.

[0052] The support frame 6 has a connecting end 61 and a third supporting portion 62. The connecting end 61 of the support frame 6 is connected to the base 2, and the support frame 6 can move between a folded position and an unfolded position. When the support frame 6 moves to the folded position, the first supporting portion 21 and the second supporting portion 22 support the base 2. When the support frame 6 moves to the unfolded position, the second supporting portion 22 and the third supporting portion 62 support the base 2, and the support frame 6 lifts the first supporting portion 21 of the base 2 upward to lift the first end 13 and the first opening 11 of the drum 1 upward to an inclined setting.

[0053] The above structure includes: a drum 1, the drum 1 having a first opening 11 and a first accommodating space 12, the first opening 11 being connected to the first accommodating space 12, the first accommodating space 12 being used to accommodate pet excrement and pet litter; the drum 1 having a first end 13 and a second end 14 opposite to the first end 13, the first opening 11 being provided at the first end 13; a base 2, the drum 1 being supported on the base 2; the bottom of the base 2 having a first supporting portion 21 and a second supporting portion 22 opposite to the first supporting portion 21; and a screen assembly 3, the screen assembly 3 being connected to the drum 1, the screen assembly 3 and the inner wall of the drum 1 surrounding each other to form a third accommodating space 31, the third accommodating space 31 being connected to the first accommodating space 31. The first and second accommodating spaces 12 are adjacent, and the screen assembly 3 is used to screen pet litter and excrement; it also includes a feces collection bin 4, which is connected to the drum 1 and has a second accommodating space 41 and a second opening 42, and the second opening 42 is connected to the second accommodating space 41; a driving device 5, which is used to drive the drum 1 to rotate on the base 2; when the drum 1 rotates from the initial position to the excretion position, the pet litter can enter the third accommodating space 31 through the screen assembly 3, and the excrement is restricted outside the third accommodating space 31, and the excrement can be discharged into the second accommodating space 41 through the second opening 42 by its own gravity; when the drum 1 rotates from the excretion position to the initial position, the third accommodating space 31 is opened. The pet litter in the space 31 can pass through the screen assembly 3 and fall back into the first receiving space 12 by its own gravity; the support frame 6 has a connecting end 61 and a third supporting portion 62, the connecting end 61 of the support frame 6 is connected to the base 2, and the support frame 6 can move between a folded position and an unfolded position; when the support frame 6 moves to the folded position, the first supporting portion 21 and the second supporting portion 22 support the base 2; when the support frame 6 moves to the unfolded position, the second supporting portion 22 and the third supporting portion 62 support the base 2, and the support frame 6 lifts the first supporting portion 21 of the base 2 upward to lift the first end 13 of the drum 1 and the first opening 11 upward to an inclined setting, so that the user When pet litter needs to be added into the first receiving space 12 through the first opening 11, the support frame 6 can be moved to the unfolded position so that the second support portion 22 and the third support portion 62 support the base 2, and the support frame 6 can lift the first support portion 21 of the base 2 upward, thereby lifting the first end 13 of the drum 1 and the first opening 11 upward to an inclined position, so that the bagged pet litter can be poured into the first receiving space 12 through the first opening 11 under the action of its own gravity; when the pet litter is added, the support frame 6 can be moved to the folded position so that the first support portion 21 and the second support portion 22 support the base 2, so that the pet litter can be evenly distributed at various positions in the first receiving space 12.

[0054] In this embodiment, the connecting end 61 is rotatably connected to the base 2 so that the support frame 6 can rotate between the folded position and the unfolded position. The base 2 is provided with a receiving slot 23. When the support frame 6 moves to the folded position, the support frame 6 moves into the receiving slot 23. Through the above structure, since the support frame 6 moves to the folded position, the support frame 6 moves into the receiving slot 23, the storage of the support frame 6 is effectively achieved, and it is convenient for the user to take the support frame 6 at any time. The base is also provided with a recessed handle position 1011, which is connected to the receiving slot. The handle position can facilitate the user to pull the support frame out of the receiving slot.

[0055] In this embodiment, a first locking device 7 is further included. When the support frame 6 moves to the deployed position, the first locking device 7 locks the support frame 6 in the deployed position. The first locking device 7 includes a first snap-fit ​​portion 71 and a first snap-fit ​​portion 72. The first snap-fit ​​portion 71 is provided on the support frame 6, and the first snap-fit ​​portion 72 is provided on the base 2. When the support frame 6 moves to the deployed position, the first snap-fit ​​portion 71 and the first snap-fit ​​portion 72 are detachably connected. Specifically, the first snap-fit ​​portion 71 is an elastic first snap-fit ​​portion 71, the first snap-fit ​​portion 71 has a first snap-fit ​​groove, and the first snap-fit ​​portion 72 is a first snap-fit ​​block. When the support frame 6 moves to the deployed position, the first snap-fit ​​block is detachably connected to the first snap-fit ​​groove. Furthermore, a second locking device 73 is further included. When the support frame 6 moves to the folded position, the second locking device 73 locks the support frame 6 in the folded position. Furthermore, the second locking device 73 includes a second snap-fitting portion 731 and a second snap-fitting portion 732. The second snap-fitting portion 731 is provided on the support frame 6, and the second snap-fitting portion 732 is provided on the base 2. When the support frame 6 moves to the folded position, the second snap-fitting portion 731 and the second snap-fitting portion 732 are detachably connected. Furthermore, the second snap-fitting portion 731 is a second elastic snap-fitting block, and the second snap-fitting portion 732 has a second snap-fitting slot. When the support frame 6 moves to the folded position, the second snap-fitting block and the second snap-fitting slot are detachably connected. Furthermore, the support frame 6 includes two side support frames 65 and a bottom support frame 66 connecting the two side support frames 65. The connecting end 61 is provided on the side support frames 65, and the third support portion 62 is provided on the bottom support frame 66. The first snap-fitting portion 71 is provided on the side support frames 65, and the second snap-fitting portion 731 is provided on the bottom support frame 66. Through the above structure, the setting of the first locking device 7 and the second locking device 73 is effectively realized. When the support frame 6 moves to the unfolded position, the first locking device 7 locks the support frame 6 in the unfolded position, so that the second support part 22 and the third support part 62 can more stably support the base 2, so that the support frame 6 can lift the first support part 21 of the base 2 upward to lift the first end 13 of the drum 1 and the first opening 11 upward to an inclined setting, so that the bagged pet litter can be poured into the first receiving space 12 through the first opening 11 under the action of its own gravity; when the pet litter is added, the support frame 6 can be moved to the folded position, and the support frame 6 can be locked in the folded position by the first locking device 7 to prevent the support frame 6 from shaking, so that the user can take and put the support frame 6 at any time.

[0056] In this embodiment, the support frame 6 has a hollowed-out slot 63, within which are disposed a plurality of reinforcing ribs 64. This design of the hollowed-out slot 63 reduces the weight of the support frame 6, thereby reducing the overall weight of the pet litter box and facilitating its transportation. Furthermore, the design of the hollowed-out slot 63 conserves material used in the production of the support frame 6, making it more environmentally friendly.

[0057] This embodiment further includes a door cover 13, which is rotatably connected to the drum 1 and opens or closes the second opening 42. When the drum 1 rotates to the discharge position, the door cover 13 rotates under its own weight to open the second opening 42. When the drum 1 rotates to the initial position, the door cover 13 rotates under its own weight to close the second opening 42. A limit support column 131 is also provided on the inner side of the door cover 13. When the drum 1 rotates to the discharge position, the door cover 13 rotates under its own weight to open the second opening 42. The limit support column 131 is supported by the inner wall of the feces collection bin 4. Specifically, a first insertion slot 132 is further provided on the inner side of the door cover 13. The sidewalls of the first insertion slot 132 have a plurality of avoidance slits 1321 and a plurality of elastic walls 1322 formed between the plurality of avoidance slits 1321. The position-limiting support column 131 is inserted into the first insertion slot 132, and the elastic walls 1322 press the position-limiting support column 131 into the first insertion slot 132. With the above structure, when the drum 1 rotates to the excretion position, the door cover 13 rotates under its own weight to open the second opening 42, thereby facilitating the flow of excrement into the feces collection bin 4. When the drum 1 rotates to the initial position, the door cover 13 rotates under its own weight to close the second opening 42, preventing excrement from flowing out of the feces collection bin 4. Furthermore, the feces collection bin 4 can be sealed to prevent the odor of excrement from escaping from the feces collection bin 4. Moreover, due to the provision of the limiting support column 131, when the door cover 13 is opened, a backflow prevention space is formed between the inner side of the door cover 13 and the inner wall of the feces collecting bin 4, and the backflow prevention space can stop the excrement entering the feces collecting bin 4 inside the feces collecting bin 4.

[0058] In this embodiment, the feces collection bin 4 also has a third opening 43 and a mounting cover 44, which is used to open or close the third opening 43. One side of the mounting cover 44 is rotatably connected to the drum 1, and the other side of the mounting cover 44 is detachably connected to the drum 1, so that the mounting cover 44 covers the third opening 43. Specifically, the mounting cover 44 also includes a third locking device 45, through which the other side of the mounting cover 44 is detachably connected to the drum 1. Furthermore, the third locking device 45 includes a locking buckle 441 provided on the mounting cover 44 and a locking opening 442 provided on the drum 1, with the locking buckle 441 and the locking opening 442 being detachably connected. Furthermore, the locking buckle 441 includes a push button 44111, a locking hook 44112 and an elastic return member 44113. The push button 44111 is connected to the locking hook 44112, and the elastic return member 44113 is connected to the push button 44111. The elastic return member 44113 is used to push the push button 44111 and the locking hook 44112 to push the locking hook 44112 to be locked in the locking mouth 442; when an external force greater than the elastic return force provided by the elastic return member 44113 is applied to the push button 44111, the push button 44111 can be pushed to push the locking hook 44112 out of the locking mouth 442. Furthermore, the drum 1 is provided with a locking buckle mounting groove 4414 and a locking cover 44115. The locking buckle 441 is mounted in the locking buckle mounting groove 4414. The locking cover 44115 detachably covers the locking buckle mounting groove 4414, and the locking cover 44115 stops the locking buckle 441 in the locking buckle mounting groove 4414. With the above structure, the user can push the push button 44111 to push the locking hook 44112 out of the locking opening 442, and then rotate the mounting cover 44 to open the third opening 43, making it easier for the user to clean the excrement collecting bin 4.

[0059] In this embodiment, the edge of the second opening 42 extends outward from the connecting side wall 421 and further includes a tightening band 8. One end of the tightening band 8 includes a first connecting portion 82, and the other end includes a first connecting mating portion 81. The first connecting portion 82 and the first connecting mating portion 81 are detachably connected, so that the tightening band 8 surrounds and forms a tightening space. The tightening space of the tightening band 8 is used to tighten the garbage bag to the connecting side wall 421. With this structure, a garbage bag can be placed over the connecting side wall 421 at the second opening 42, and then tightened to the connecting side wall 421 by the tightening band 8 to prevent the garbage bag from loosening. Furthermore, because the tightening band 8 is provided to tighten the garbage bag to the connecting side wall 421, the feces collection bin 4 can accommodate any type of garbage bag, eliminating the need for a specific drawstring garbage bag, greatly improving the user experience.

[0060] In this embodiment, the first connecting portion 82 is a first connecting buckle, and the first connecting mating portion 81 is a first connecting socket. The first connecting buckle and the first connecting socket are detachably connected. The connecting side wall 421 includes a first retaining groove 4211, and the tightening strap 8 is used to tighten the garbage bag within the first retaining groove 4211. Specifically, connecting lugs 4212 are provided on both sides of the connecting side wall 421, and the connecting lugs 4212 are used to fit the garbage bag. Furthermore, the connecting side wall 421 includes an extension wall 4213 and a stop wall 4214. The stop wall 4214 is arranged at an angle to the extension wall 4213, so that the first retaining groove 4211 is formed between the stop wall 4214 and the extension wall 4213. With this structure, the connecting lugs 4212 facilitate the user's insertion of the garbage opening, and the tightening strap 8 tightens the garbage bag within the first retaining groove 4211, preventing the garbage bag and the tightening strap 8 from slipping.

[0061] This embodiment also includes a sand retaining box 24, which is connected to the base 2 and covers at least a portion of the first opening 11. The sand retaining box 24 is used to retain pet litter within the first storage space 12. This structure prevents the pet litter from overflowing from the first storage space 12 and also prevents pets from carrying the litter out of the first storage space 12 after defecation. Furthermore, because the sand retaining box 24 is connected to the base 2, it does not need to rotate with the drum 1, allowing the drum 1 to rotate more smoothly and preventing pet litter from being thrown out during rotation.

[0062] In this embodiment, the sand retaining box 24 has an inserting portion 241 on its underside, and the base 2 has a second inserting slot 242. The inserting portion 241 and the second inserting slot 242 are detachably connected. Guide protrusions 2422 extend from both sides of the inserting portion 241, and guide grooves 2421 are formed on both sides of the second inserting slot 242. The guide protrusions 2422 are connected to the guide grooves 2421. Furthermore, the inserting portion 241 is narrow at the bottom and wide at the top, while the second inserting slot 242 is narrow at the bottom and wide at the top. Furthermore, the insertion portion 241 has a left portion 2411 and a right portion 2412. The left portion 2411 has a first slit 24111, and the right portion 2412 has a second slit 24112. A middle elastic portion 2413 is formed between the first slit 24111 and the second slit 24112. The middle elastic portion 2413 presses against the inner wall of the second insertion slot 242. Furthermore, the upper side of the sand retaining box 24 has several raised anti-slip grooves 243. This structure provides a rational and compact design and a stable connection, effectively achieving the connection between the sand retaining box 24 and the base 2.

[0063] In this embodiment, the sand retaining box 24 includes an inner portion 244 and an outer portion 245. The inner portion 244 and the outer portion 245 are connected. The edge of the first opening 11 is located between the inner portion 244 and the outer portion 245. A second retaining groove 246 is formed between the inner portion 244 and the outer portion 245. The second retaining groove 246 is sleeved around the edge of the first opening 11, allowing the edge of the first opening 11 to rotate within the second retaining groove 246. The second retaining groove 246 is an arc-shaped second retaining groove 246. Specifically, the inner portion 244 and the outer portion 245 are detachably connected. The inner portion has a guide slope 6997 that guides pet litter that splashes into the inner portion into the first storage space, thereby conserving pet litter and preventing cat urine from splashing outside the pet litter box. Furthermore, the inner portion 244 has a first connection hole 2441 in the center, and second connection holes 2442 on both sides of the inner portion 244. The outer portion 245 has a first positioning post 2451 in the center, and third connection holes 2452 on both sides of the outer portion 245. The first positioning post 2451 is connected to the first connection hole 2441, and the second connection hole 2442 is screwed to the third connection hole 2452. Through the above structure, the sand retaining box 24 is effectively installed. Moreover, the edge of the first opening 11 of the drum 1 can rotate within the first limiting groove 4211, so that the sand retaining box 24 does not affect the normal rotation of the drum 1, thereby improving the stability of the drum 1 during rotation.

[0064] In this embodiment, the screen assembly 3 includes a first connecting member 311 and a screen portion 32. The first connecting member 311 is connected to the inner wall of the drum 1. One side of the screen portion 32 is rotatably connected to the first connecting member 311. When the drum 1 rotates from the initial position toward the discharge position, the other side of the screen portion 32 presses against the inner wall of the drum 1 under the action of its own weight, allowing pet litter to pass through the screen portion 32 of the screen assembly 3 and enter the third storage space 31. Excrement is confined outside the third storage space 31 and can be discharged into the second storage space 41 through the second opening 42 under its own weight. When the drum 1 rotates from the discharge position toward the initial position, the other side of the screen portion 32 detaches from the inner wall of the drum 1 under the action of its own weight, forming a pet litter channel 33 between the other side of the screen portion 32 and the inner wall of the drum 1. The pet litter in the third storage space 31 passes through the screen portion 32 and the pet litter channel 33 and falls back into the first storage space 12 under its own weight. Through the above structure, when the drum 1 rotates from the excretion position to the initial position, the other side of the screen portion 32 is separated from the inner wall of the drum 1 under the action of its own gravity, so that a pet litter channel 33 is formed between the other side of the screen portion 32 and the inner wall of the drum 1. The pet litter in the third accommodating space 31 can pass through the screen portion 32 and the pet litter channel 33 and fall back into the first accommodating space 12 by its own gravity, which can facilitate the pet litter to fall back into the first accommodating chamber quickly, preventing the sand from getting stuck and preventing the pet litter from accumulating in the third accommodating space 31.

[0065] This embodiment also includes a support arm 9, which is supported by the second end 14 of the drum 1. The support arm 9 has a rotation groove 91, and the second end 14 of the drum 1 has a rotation shaft 141, which can rotate within the rotation groove 91. The support arm 9 is rotatably connected to the base 2, so that the support arm 9 can move between a folded storage position and a support position. With this structure, when the pet toilet is to be installed and used, the support arm 9 can be rotated to the support position to support the drum 1. When the pet toilet is not to be used or needs to be transported, the support arm 9 can be rotated to the folded position to reduce the size of the pet toilet and facilitate storage, packaging, and transportation of the pet toilet.

[0066] In this embodiment, the base 2 has a mounting side wall 25 and a mounting top wall 26, the mounting side wall 25 being connected to the mounting top wall 26. The inner surface 9111 of the support arm 9 is rotatably connected to the base 2. When the support arm 9 is rotated to the folded storage position, the inner surface 9111 of the support arm 9 abuts against the mounting top wall 26 of the base 2, so that the support arm 9 and the base 2 are stacked. When the support arm 9 is rotated to the unfolded position, the inner surface 9111 of the support arm 9 abuts against the mounting side wall 25, so that the support arm 9 can support the second end 14 of the drum 1. The base 2 further includes a hinge 92, one end of which is detachably connected to the inner surface 9111 of the support arm 9 and the other end of which is rotatably connected to the inner surface 9111 of the support arm 9; or the base 2 further includes a hinge 92, one end of which is rotatably connected to the inner surface 9111 of the support arm 9 and the other end of which is detachably connected to the inner surface 9111 of the support arm 9. Through the above structure, the design is reasonable, the connection is stable, and the rotatable connection between the support arm 9 and the base 2 is effectively realized, which makes it convenient for users to install, fold and unfold the support arm 9.

[0067] In this embodiment, the support arm 9 further has a gear mounting slot 93. The drive device 5 includes a drive motor 51, a driving gear 52, and a transmission gear 53. The driving gear 52 is disposed in the gear mounting slot 93. The output shaft of the drive motor 51 is in driving connection with the driving gear 52 to drive the driving gear 52 to rotate. The transmission gear 53 is disposed at the second end 14 of the drum 1. The driving gear 52 is meshed with the transmission gear 53 so that rotation of the driving gear 52 can drive the transmission gear 53 and the drum 1 to rotate on the base 2 and the support arm 9. Through the above structure, the drive device 5 is effectively configured so that the drive motor 51 can drive the driving gear 52 and the transmission gear 53 to rotate, thereby driving the drum 1 to rotate on the base 2 and the support arm 9 to the initial position or the excretion position.

[0068] The above descriptions provide one or more embodiments in conjunction with the specific content, and do not limit the specific implementation of the present invention to these descriptions. Any similarity or similarity with the methods, structures, etc. of the present invention, or any technical deduction or substitution based on the concept of the present invention, shall be deemed to be within the scope of protection of the present invention.

Claims

1. A pet toilet, characterized in that: include: A drum (1), the drum (1) having a first opening (11) and a first accommodating space (12), the first opening (11) being in communication with the first accommodating space (12), the first accommodating space (12) being used to accommodate pet excrement and pet litter; the drum (1) having a first end (13) and a second end (14) opposite to the first end (13), the first opening (11) being provided at the first end (13); a base (2), the roller (1) being supported on the base (2); The device further comprises a screen assembly (3), the screen assembly (3) being connected to the drum (1), the screen assembly (3) and the inner wall of the drum (1) surrounding each other to form a third accommodating space (31), the third accommodating space (31) being adjacent to the first accommodating space (12), and the screen assembly (3) being used to sieve the pet litter and the excrement; It also includes a feces collection bin (4), the feces collection bin (4) is connected to the drum (1), the feces collection bin (4) has a second accommodating space (41) and a second opening (42), and the second opening (42) is in communication with the second accommodating space (41); A driving device (5) is used to drive the drum (1) to rotate on the base (2); when the drum (1) rotates from the initial position to the discharge position, pet litter can enter the third storage space (31) through the screen assembly (3), excrement is restricted outside the third storage space (31), and excrement can be discharged into the second storage space (41) through the second opening (42) by its own gravity; when the drum (1) rotates from the discharge position to the initial position, the pet litter in the third storage space (31) can pass through the screen assembly (3) and fall back into the first storage space (12) by its own gravity; The invention also includes a sand retaining box (24), which is connected to the base (2) and covers at least a portion of the first opening (11). The sand retaining box (24) is used to retain pet litter in the first accommodating space (12).

2. A pet toilet according to claim 1, characterized in that: The lower side of the sand retaining box (24) has an inserting portion (241), the base (2) has a second inserting slot (242), and the inserting portion (241) and the second inserting slot (242) are detachably connected.

3. A pet toilet according to claim 2, characterized in that: Guide protrusions (2422) extend from both sides of the insertion portion (241), and guide grooves (2421) are provided on both sides of the second insertion slot (242), and the guide protrusions (2422) are connected to the guide grooves (2421).

4. A pet toilet according to claim 2, characterized in that: The inserting portion (241) is a inserting portion (241) that is narrow at the bottom and wide at the top, and the second inserting slot (242) is a second inserting slot (242) that is narrow at the bottom and wide at the top.

5. A pet toilet according to claim 2, characterized in that: The insertion portion (241) has a left portion (2411) and a right portion (2412), the left portion (2411) has a first slit (24111), the right portion (2412) has a second slit (24112), an intermediate elastic portion (2413) is formed between the first slit (24111) and the second slit (24112), and the intermediate elastic portion (2413) is pressed against the inner wall of the second insertion slot (242).

6. The pet toilet according to claim 1, characterized in that: The upper side of the sand retaining box (24) has a plurality of raised anti-slip lines (243).

7. The pet toilet according to claim 1, characterized in that: The sand retaining box (24) has an inner portion (244) and an outer portion (245), wherein the inner portion (244) is connected to the outer portion (245), an edge of the first opening (11) is located between the inner portion (244) and the outer portion (245), and a second limiting groove (246) is formed between the inner portion (244) and the outer portion (245), and the second limiting groove (246) is sleeved on the edge of the first opening (11) so that the edge of the first opening (11) can rotate in the second limiting groove (246).

8. A pet toilet according to claim 7, characterized in that: The second limiting groove (246) is an arc-shaped second limiting groove (246).

9. The pet toilet according to claim 7, characterized in that: The inner part (244) is detachably connected to the outer part (245), and the inner part has a guide slope (6997) for guiding pet litter splashed onto the inner part into the first accommodation space.

10. The pet toilet according to claim 9, characterized in that: The center of the inner part (244) has a first connection hole (2441), and both sides of the inner part (244) have second connection holes (2442). The center of the outer part (245) has a first positioning column (2451), and both sides of the outer part (245) have third connection holes (2452). The first positioning column (2451) is connected to the first connection hole (2441), and the second connection hole (2442) is connected to the third connection hole (2452) by screws.

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