Cat litter box with automatic combing and sucking roller

Abstract

The utility model provides a cat litter basin with an automatic combing and sucking roller. The cat litter basin comprises a base, the cat litter roller, a roller motor, a support, a first rotating disc, a combing piece, a combing caliber changing mechanism, a first sucking pipe and a ceiling. A cat litter drawer is arranged on one side of the base; the cat litter roller is rotationally arranged on the base; a main shaft of the roller motor is in transmission connection with the cat litter roller; the support is arranged on the front portion of the base, and a first ring opening is formed in the rear side of the support and extends into the entrance and exit. The first turntable is rotationally assembled on the bracket; a turntable driving mechanism is arranged between the first turntable and the bracket; a plurality of combing pieces are radially arranged on the first turntable in a sliding manner; the end part of each combing piece faces the first ring opening; the combing caliber changing mechanism is arranged among the combing pieces; the front end opening of the first wool suction pipe extends into the first ring opening and faces the inner edge of the first rotating disc, the rear end opening of the first wool suction pipe is connected with a negative pressure device, and a filter box is arranged on the negative pressure device; and the ceiling is buckled on the base and the bracket.

Description

Technical Field

[0001] This utility model belongs to the field of pet supplies, specifically relating to an automatic grooming and hair-absorbing roller cat litter box. Background Technology

[0002] Domestic cats shed frequently, especially indoor cats, which shed a lot of fur indoors, requiring owners to groom them regularly. To reduce grooming time, manual brushes and electric hair vacuums have been developed on the market. However, these still require manual operation by the owner and do not automatically collect and remove fur. Some grooming devices require the cat to rub against them, but cats don't always pass by these devices. The litter box is a place cats visit multiple times a day, but most existing litter boxes lack automatic grooming and hair removal functions. Some have grooming mechanisms attached to the outside of the entrance, which don't actually remove fur, damage the original shape of the litter box, resulting in inconsistent design and making them difficult to pack and transport. Utility Model Content

[0003] Therefore, the purpose of this utility model is to provide an automatic combing and hair-absorbing roller cat litter box to overcome the above problems or at least partially solve or alleviate them.

[0004] This utility model proposes an automatic combing and hair-absorbing roller cat litter box, comprising:

[0005] The base has a cat litter drawer that can be slidably installed on one side.

[0006] A cat litter roller is rotatably mounted on the base. One end of the cat litter roller has an inlet and an outlet. The side wall of the cat litter roller has a litter opening, which corresponds to the cat litter drawer.

[0007] A roller motor is directly or indirectly mounted on the base, and the main shaft of the roller motor is directly or indirectly connected to the cat litter roller for transmission.

[0008] A bracket is provided at the front of the base, and a first opening is provided at the rear of the bracket, the first opening extending into the inlet / outlet;

[0009] A first turntable is rotatably mounted on the bracket, and a turntable drive mechanism is provided between the first turntable and the bracket.

[0010] Multiple combing components are radially slidably disposed on the first turntable, with the end of each combing component facing the first ring opening;

[0011] A combing nozzle diameter changing mechanism is disposed among multiple combing components to drive the multiple combing components to slide synchronously radially.

[0012] The first suction tube has its front end extending into the first ring opening and facing the inner edge of the first turntable. The rear end of the first suction tube is directly or indirectly connected to a negative pressure device, and a filter box is provided on the negative pressure device.

[0013] A canopy that is fastened to the base and the bracket.

[0014] This utility model also has the following optional features.

[0015] Optionally, the device also includes an exhaust fan, the inlet of which leads into the inside of the litter roller, and the outlet of which is connected to an exhaust hose.

[0016] Optionally, it also includes a rear axle cover, with an exhaust port at the other end of the litter roller, a sealing ring between the inner side of the rear axle cover and the exhaust port, and the exhaust fan is mounted on the rear axle cover.

[0017] Optionally, the turntable drive mechanism includes a first motor, which is fixedly disposed relative to the bracket, and a pulley transmission mechanism or a gear transmission mechanism is provided between the main shaft of the first motor and the first turntable.

[0018] Optionally, the combing diameter changing mechanism includes:

[0019] The second turntable is provided with a plurality of oblique sliding holes, and each of the combing parts is provided with a guide post, the guide post passing through one of the oblique sliding holes respectively;

[0020] The second motor is fixedly mounted relative to the bracket. The main shaft of the second motor is provided with a first drive gear, and the edge of the second turntable is provided with gear teeth that mesh with the first drive gear.

[0021] Optionally, each of the combing components includes a sliding seat and a combing base, the guide post is disposed on the sliding seat, the combing base is slidably disposed at the front end of the sliding seat, and a spring is disposed between the sliding seat and the combing base.

[0022] Optionally, the first turntable is provided with a plurality of first radial grooves, and a sliding seat is slidably assembled in each of the first radial grooves, and a lint-adheding plate is provided at the end of the lint-adheding seat.

[0023] Optionally, it also includes a third turntable and a second suction tube. The third turntable is connected to the first turntable. The third turntable is provided with a plurality of second radial grooves. The second radial grooves and the first radial grooves are staggered in the circumferential direction. Each second radial groove is slidably fitted with a sliding seat. The end of the comb seat is provided with a scraping plate and combing teeth. The scraping plate is provided with a plurality of scraping holes. The combing teeth pass through the scraping holes. The front port of the second suction tube faces the inner edge of the third turntable. The rear port of the second suction tube is directly or indirectly connected to the negative pressure device.

[0024] Optionally, it also includes a controller and an operation panel. The controller's five signal output terminals are electrically connected to the roller motor, the turntable drive mechanism, the combing diameter changing mechanism, the negative pressure device, and the exhaust fan, respectively. The controller's one signal input terminal is electrically connected to the operation panel.

[0025] Optionally, it also includes at least a first pet detection device and a second pet detection device, the first pet detection device and the second pet detection device being respectively disposed inside and outside the first enclosure, and the signal output terminals of the first pet detection device and the second pet detection device being electrically connected to two of the signal receiving terminals of the controller, respectively, for detecting whether a pet has passed through or moved away from the first enclosure.

[0026] This utility model's automatic grooming and hair-absorbing roller litter box requires the cat to pass through a support and a first turntable when entering and leaving the litter roller. Multiple grooming components slidably set on the first turntable groom the cat's fur, and a negative pressure device sucks away the loose fur from the cat's body, thus achieving automatic grooming and hair-absorbing functions for the cat, eliminating the need for pet owners to manually clean their pet's fur. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the automatic combing and hair-absorbing roller cat litter box of this utility model.

[0028] Figure 2 yes Figure 1 A schematic diagram of the internal structure of the canopy of the automatic grooming and hair-absorbing roller litter box.

[0029] Figure 3 yes Figure 2 Another structural diagram from a different angle;

[0030] Figure 4 yes Figure 2 Internal structure diagram of the base of the automatic grooming and hair-absorbing roller litter box;

[0031] Figure 5 yes Figure 2 Cat litter roller structure diagram

[0032] Figure 6 This is a schematic diagram of the internal structure of the end face of the automatic combing and hair-absorbing roller cat litter box of this utility model.

[0033] Figure 7 yes Figure 6 A schematic diagram of the internal structure of the third turntable in the automatic grooming and hair-absorbing roller litter box.

[0034] Figure 8 yes Figure 7 A schematic diagram of the structure of the second turntable in the automatic grooming and hair-absorbing roller litter box;

[0035] Figure 9 yes Figure 8 A schematic diagram of the internal structure of the second turntable in the automatic grooming and hair-absorbing roller litter box.

[0036] Figure 10 This is a schematic diagram of the assembly structure of the combing component and the first turntable in the automatic combing and hair-absorbing roller cat litter box of this utility model.

[0037] Figure 11 This is a schematic diagram of the assembly structure of the combing component and the third turntable in the automatic combing and hair-absorbing roller cat litter box of this utility model.

[0038] Figure 12 This is a structural diagram of the control system for the automatic combing and hair-absorbing roller cat litter box of this utility model.

[0039] In the above diagram: 1. Base; 101. Rear axle cover; 102. First rotating support; 103. Second rotating support; 104. First mounting port; 105. Second mounting port; 106. Mounting groove; 2. Cat litter drawer; 3. Cat litter roller; 301. Inlet / outlet; 302. Cat litter opening; 303. Exhaust port; 304. Gear ring; 4. Roller motor; 5. Bracket; 501. First ring opening; 6. First turntable; 601. First radial groove; 602. Connecting column; 603. First arc-shaped plate; 7. Combing component; 701. Guide column; 702. Sliding seat; 703. Combing seat; 704. Spring; 8. First suction tube; 9. Negative pressure device; 901. 10. Filter box; 11. Canopy; 12. Exhaust fan; 13. Exhaust hose; 14. First motor; 15. Belt drive mechanism; 16. Second turntable; 17. Angled sliding hole; 18. Circumferential sliding hole; 19. Second motor; 20. First drive gear; 21. Lint-collecting plate; 22. Third turntable; 23. Second radial sliding groove; 24. Second arc-shaped plate; 25. Second lint suction tube; 26. Lint scraping plate; 27. Comb teeth; 28. Controller; 29. ​​Operation panel; 20. First pet detection device; 21. Second pet detection device; 22. Cover plate; 23. Roller; 24. End face; 25. Second ring; 25. Second drive gear.

[0040] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Detailed Implementation

[0041] Example 1

[0042] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5This utility model provides an automatic combing and suction roller cat litter box, comprising: a base 1, a cat litter roller 3, a roller motor 4, a support 5, a first turntable 6, multiple combing components 7, a combing nozzle diameter adjustment mechanism, a first suction tube 8, and a canopy 10; a cat litter drawer 2 is slidably mounted on one side of the base 1, and a first rotating support 102 and a second rotating support 103 are disposed inside the base 1; the cat litter roller 3 is rotatably mounted on the first rotating support 102 and the second rotating support 103, with an inlet / outlet 301 at one end of the cat litter roller 3, and a cat litter opening 302 on the side wall of the cat litter roller 3, corresponding to the cat litter drawer 2; the roller motor 4 is directly or indirectly mounted on the base 1, and the main shaft of the roller motor 4 is directly or indirectly driven by the cat litter roller 3. Connection; the bracket 5 is set at the front of the base 1, and the rear side of the bracket 5 is provided with a first ring 501, which extends into the inlet 301; the first turntable 6 is rotatably mounted on the bracket 5, and a turntable drive mechanism is provided between the first turntable 6 and the bracket 5; multiple combing parts 7 are radially slidably arranged on the first turntable 6; the end of each combing part 7 faces the first ring 501; the combing diameter changing mechanism is arranged between the multiple combing parts 7 to drive the multiple combing parts 7 to slide radially synchronously; the front end of the first suction tube 8 extends into the first ring 501 and faces the inner edge of the first turntable 8, and the rear end of the first suction tube 8 is directly or indirectly connected to a negative pressure device 9, and a filter box 901 is provided on the negative pressure device 9; the canopy 10 is fastened to the base 1 and the bracket 5.

[0043] A toothed ring 304 is provided on the cat litter roller 3. The roller motor 4 is mounted on the second rotating support 103. A second driving gear 30 is connected to the main shaft of the roller motor 4, and the second driving gear 30 meshes with the toothed ring 304. The bracket 5 is vertically mounted at the front end of the base 1. A first mounting port 104 and a second mounting port 105 are provided on the side wall of the base 1. An mounting groove 106 is provided inside the base 1. The cat litter drawer 2 is slidably mounted in the first mounting port 104. The filter box 901 is slidably mounted in the second mounting port 105. The negative pressure device 9 is mounted in the mounting groove 106. A cover plate 27 is provided on the mounting groove 105. The top 10 is fastened to the base 1, and the front end of the top 10 overlaps with the bracket 5.

[0044] The support 5 has multiple rollers 28 arranged circumferentially. The outer edge of the first turntable 6 has an annular folded edge, which rolls in cooperation with each roller 28, allowing the first turntable 6 to rotate on the support 5 under the drive of the turntable drive mechanism. The inner edge of the first turntable 6 is axially aligned with the first ring 501 of the support 5. An end face 29 is also connected to the support 5, covering the first turntable 6, the turntable drive mechanism, the combing component 7, and the combing diameter changing mechanism. A second ring 2901 is provided on the end face 29, which is axially aligned with the first ring 501. 1. The inner edge of the first turntable 6 and the second ring 2901 form a pet passage. The pet enters the cat litter roller 3 in the base 1 and the canopy 10 through the pet passage to relieve itself and then leaves through the pet passage. Each grooming component 7 in the pet passage grooms the pet. Then the turntable drive mechanism drives the first turntable 6 to rotate, so that the ends of multiple grooming components 7 pass through the front port of the first hair suction tube 8 in sequence as the first turntable 6 rotates. The negative pressure device 9 can then suck away the pet hair combed by multiple grooming components 7 through the front port of the first hair suction tube 8, realizing the automatic grooming and hair suction function, without the need for pet owners to manually clean the pet hair.

[0045] The negative pressure device 9 can be a centrifugal fan. After the pet hair is filtered through the filter box 901, it remains in the filter box 901, making it convenient for users to remove the pet hair and debris from the filter box 901.

[0046] Example 2

[0047] refer to Figure 3 Based on embodiment 1, it also includes an exhaust fan 11, which is located on one side of the second rotating support 103. The inlet of the exhaust fan 11 is connected to the inside of the cat litter roller 3, and the outlet of the exhaust fan 11 is connected to an exhaust hose 12.

[0048] The exhaust fan 11 uses a low-noise fan and will not produce noise. The air inlet of the exhaust fan 11 is connected to the inside of the litter roller 3, and the air outlet of the exhaust hose 12 can lead to a window or a sewer. When a pet enters the litter roller 3, the exhaust fan 11 starts working. When the pet defecates, the exhaust fan 11 exhausts the air inside the litter roller 3 to the window or sewer, preventing odors from escaping through the pet's passage. The exhaust fan 11 can stop operating after the litter roller 3 has been cleaned, or it can be kept powered on continuously.

[0049] Example 3

[0050] refer to Figure 1 , Figure 2 , Figure 3 and Figure 5Based on embodiment 2, it also includes a rear axle cover 101, which is installed on the outside of the second rotating support 103. The other end of the cat litter roller 3 is provided with an exhaust port 303. A sealing ring is provided between the inner side of the rear axle cover 101 and the exhaust port 303. The exhaust fan 11 is installed on the rear axle cover 101.

[0051] The rear axle cover 101 has an insertion port on its inner side. When the rear axle cover 101 is connected to the second rotating support 103, its insertion port is inserted into the exhaust port 303 at the other end of the litter roller 3. The insertion port forms a rotational sealing structure with the inner wall of the exhaust port 303 through a sealing ring. The exhaust fan 11 is connected to the rear axle cover 101, and its air inlet passes through the rear axle cover 101 and connects to the exhaust port 303, so that the exhaust is not affected when the litter roller 3 rotates.

[0052] Example 4

[0053] refer to Figure 4 , Figure 6 , Figure 7 and Figure 8 Based on Embodiment 1, the turntable drive mechanism includes a first motor 13, which is fixedly mounted relative to the bracket 5. A pulley transmission mechanism 14 or a gear transmission mechanism is provided between the main shaft of the first motor 13 and the first turntable 15.

[0054] The first motor 13 is fixed on the bracket 5, and the main shaft is connected to the drive pulley. The first turntable 6 is a passive pulley. It forms a pulley transmission mechanism 14 with the drive pulley through the transmission belt. The first motor 13 can drive the first turntable 6 to rotate through the pulley transmission mechanism 14, so that the four combing parts 7 on the first turntable 6 pass through the port of the first suction tube 8.

[0055] Example 5

[0056] refer to Figure 3 , Figure 6 , Figure 7 , Figure 8 and Figure 9 Based on Embodiment 1, the combing diameter changing mechanism includes: a second turntable 15 and a second motor 16; the second turntable 15 is provided with a plurality of oblique sliding holes 1501, and each combing component 7 is provided with a guide post 701, which passes through an oblique sliding hole 1501 respectively; the second motor 16 is fixedly arranged relative to the bracket 5, and a first drive gear 17 is provided on the main shaft of the second motor 16, and the edge of the second turntable 15 is provided with gear teeth that mesh with the first drive gear 17.

[0057] The second turntable 15 is also provided with multiple circumferential sliding holes 1502, and the first turntable 6 is provided with multiple connecting posts 602. The multiple connecting posts 602 pass through the circumferential sliding holes 1502 respectively, so that the second turntable 15 can rotate relative to the first turntable 6 at a certain angle. The second motor 16 is fixed on the bracket 5. The main shaft of the second motor 16 is connected to the first drive gear 17. The first drive gear 17 meshes with the gear teeth on the second turntable 15, so that the second motor 16 can drive the second turntable 15 to reciprocate and rotate at a certain angle. When the second turntable 15 rotates, it can push the guide post 701 through the oblique sliding hole 1501 to move the combing part 7 along the first radial sliding groove 601, thereby changing the combing diameter of each combing part 7.

[0058] Example 6

[0059] refer to Figure 9 and Figure 10 Based on embodiment 5, each combing component 7 includes a sliding seat 702 and a combing seat 703. A guide post 701 is disposed on the sliding seat 702, and the combing seat 703 is slidably disposed at the front end of the sliding seat 702. A spring 704 is disposed between the sliding seat 702 and the combing seat 703.

[0060] When a pet passes through the front end of each grooming seat 703, if the pet is large, its body will exert radial pressure on the grooming seat 703 as it passes through the grooming component 7. At this time, the grooming seat 703 can compress the spring 704 and move backward to avoid scratching the pet.

[0061] Example 7

[0062] refer to Figure 9 and Figure 10 Based on embodiment 6, the first turntable 6 is provided with a plurality of first radial grooves 601, and a sliding seat 702 is slidably assembled in each first radial groove 601. The end of the combing seat 703 is provided with a lint-adhesive plate 18.

[0063] Between every two adjacent first radial grooves 601, a first arc-shaped plate 603 is provided near the inner edge of the first turntable 6. Each first arc-shaped plate 603 has a stepped surface at both ends. When the lint-adhesive plate 18 retracts to the inner edge of the first turntable 6, it will be held in place by the stepped surfaces at both ends of the first arc-shaped plate 603, so that the four lint-adhesive plates 18 and the four first arc-shaped plates 603 form a complete arc. The four sliding seats 702 are slidably mounted on the first turntable 6 through the four first radial grooves 601. The combing diameter changing mechanism can drive the sliding seats 702 to move in the first radial grooves 601. When the turntable driving mechanism drives the first turntable 6 to rotate, it can drive the four sliding seats 702 and the combing seat 703 to move radially, thereby changing the combing diameter of each lint-adhesive plate 18.

[0064] Example 8

[0065] refer to Figure 6 , Figure 7 and Figure 11 Based on embodiment 6, it also includes a third turntable 19 and a second suction tube 20. The third turntable 19 is connected to the first turntable 6. The third turntable 19 is provided with a plurality of second radial grooves 1901. The second radial grooves 1901 and the first radial grooves 601 are staggered in the circumferential direction. A sliding seat 702 is slidably assembled in each second radial groove 1901. The end of the comb seat 703 is provided with a scraping plate 21 and combing teeth 22. The scraping plate 21 is provided with a plurality of scraping holes. The combing teeth 22 pass through the scraping holes. The front end of the second suction tube 20 faces the inner edge of the third turntable 19. The rear end of the second suction tube 20 is directly or indirectly connected to the negative pressure device 9.

[0066] One side of the third turntable 19 is connected to the first turntable 6 via multiple connecting posts 602. The four second radial grooves 1901 on the third turntable 19 are circumferentially staggered with the four first radial grooves 601 on the first turntable 6. Therefore, the combing parts 7 assembled in the first turntable 6 and the third turntable 19 are also staggered, blocking each other's gaps and avoiding combing dead angles. The front end of the second suction tube 20 is located between two adjacent combing parts 7 on the third turntable 19, without affecting the combing of the combing parts 7. The rear end of the second suction tube 20 and the rear end of the first suction tube 8 are connected to the negative pressure device 9 via a three-way pipe.

[0067] On the third turntable 19, a second arc-shaped plate 1902 is provided between every two adjacent second radial grooves 1901 near the inner edge of the third turntable 19. Each second arc-shaped plate 1902 has stepped surfaces at both ends. When the grooming plate 21 retracts to the inner edge of the third turntable 19, it is stopped by the stepped surfaces at both ends of the second arc-shaped plate 1902. When the pet passes by, it is groomed by the grooming teeth 22 on the grooming seat 703, and the groomed pet hair is left between the grooming teeth 22. After the pet passes by, the diameter of the grooming opening changes. The chemical mechanism drives the four combing parts 7 to retreat radially. The scraping plate 21 retreats to the second arc plate 1902 and is stopped from retreating. The combing parts 7 continue to retreat until the ends of the combing teeth 22 retract into the scraping holes on the scraping plate 21. At this time, the pet hair combed off by the combing teeth 22 remains on the surface of the scraping plate 21. After the negative pressure device 9 is activated, as the first turntable 6 and the third turntable 19 rotate, each scraping plate 21 passes through the port of the second suction tube 20 in sequence, and the pet hair is sucked away by the second suction tube 20.

[0068] Example 9

[0069] refer to Figure 12Based on any of the above embodiments, it also includes a controller 23 and an operation panel 24. The five signal output terminals of the controller 23 are electrically connected to the roller motor 4, the combing diameter changing mechanism, the negative pressure device 9, the turntable drive mechanism and the exhaust fan 11, respectively. One signal input terminal of the controller 23 is electrically connected to the operation panel 24.

[0070] One signal output terminal of the controller 23 is electrically connected to the operation panel 24. Operators can input detailed options such as combing nozzle diameter and suction time through the operation panel 24. The controller 23 can activate the roller motor 4 to rotate the litter roller 3, cleaning feces from the litter. The controller 23 can also activate the second motor 16 to rotate the second turntable 15, moving multiple combing components 7 to the combing nozzle position. Three signal output terminals of the controller 23 are electrically connected to the second motor 16 in the combing nozzle changing mechanism, the negative pressure device 9, and the first motor 13 in the turntable drive mechanism, respectively. The controller 23 can activate... The second motor 16 drives the second turntable 15 to rotate, causing the multiple combing parts 7 to move away from the first ring 501 until the combing teeth 22 on the multiple combing parts 7 retract into the scraping holes on the scraping plate 21, so that the pet hair combed off by the combing teeth 22 remains on the scraping plate 21; the controller 23 can also activate the negative pressure device 9, and at the same time activate the first motor 13 to drive the first turntable 6 to rotate through the pulley transmission mechanism 14, so that each scraping plate 21 passes through the opening of the first suction tube 8 and the second suction tube 20, and the negative pressure device 9 sucks away the pet hair on each scraping plate 21 through the first suction tube 8 and the second suction tube 20.

[0071] Example 10

[0072] refer to Figure 12 Based on embodiment 9, it also includes at least a first pet detection device 25 and a second pet detection device 26. The first pet detection device 25 and the second pet detection device 26 are respectively disposed inside and outside the first ring 501. The signal output terminal of the first pet detection device 25 and the signal output terminal of the second pet detection device 26 are electrically connected to two of the signal receiving terminals of the controller 23, respectively, for detecting whether the pet passes through or moves away from the first ring 501.

[0073] The first pet detection device 25 and the second pet detection device 26 can be one or more of photoelectric switches, infrared detectors, distance sensors and radar. The first pet detection device 25 is located outside the first ring 501, and the second pet detection device 26 is located outside the second ring 2901. When the controller 23 detects a pet near the first ring 501 or the second ring 2901, in order to avoid startling the pet, the controller 23 will not activate the negative pressure device 9, the turntable drive mechanism and the combing diameter change mechanism. When the pet is detected to be far away from the first ring 501 and the second ring 2901, the controller 23 will start the combing diameter change mechanism, the negative pressure device 9 and the turntable drive mechanism to scrape off and suck up the pet hair on the scraping plate 21.

[0074] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims. Components and structures not described in detail in this embodiment are well-known components, common structures, or common means in the industry, and will not be described in detail here.

Claims

1. An automatic combing and lint-absorbing roller cat litter box, characterized in that, include: A base (1) is provided with a cat litter drawer (2) on one side of the base (1); Cat litter roller (3), the cat litter roller (3) is rotatably mounted on the base (1), one end of the cat litter roller (3) is provided with an inlet (301), the side wall of the cat litter roller (3) is provided with a cat litter opening (302), the cat litter opening (302) is corresponding to the cat litter drawer (2); A roller motor (4) is directly or indirectly mounted on the base (1), and the main shaft of the roller motor (4) is directly or indirectly connected to the cat litter roller (3). A bracket (5) is provided at the front of the base (1), and a first opening (501) is provided on the rear side of the bracket (5), which extends into the inlet (301). The first turntable (6) is rotatably mounted on the bracket (5), and a turntable drive mechanism is provided between the first turntable (6) and the bracket (5). Multiple combing parts (7) are radially slidably disposed on the first turntable (6); the end of each combing part (7) faces the first ring opening (501); A combing diameter changing mechanism is provided between multiple combing parts (7) for driving multiple combing parts (7) to slide radially synchronously. The first suction tube (8) has its front end inserted into the first ring (501) and facing the inner edge of the first turntable (6). The rear end of the first suction tube (8) is directly or indirectly connected to a negative pressure device (9), and a filter box (901) is provided on the negative pressure device (9). A canopy (10) is fastened to the base (1) and the bracket (5).

2. The automatic combing and hair-absorbing roller litter box according to claim 1, characterized in that, It also includes an exhaust fan (11), the inlet of which is connected to the inside of the cat litter roller (3), and the outlet of the exhaust fan (11) is connected to an exhaust hose (12).

3. The automatic combing and hair-absorbing roller litter box according to claim 2, characterized in that, It also includes a rear axle cover (101), and an exhaust port (303) is provided at the other end of the cat litter roller (3). A sealing ring is provided between the inner side of the rear axle cover (101) and the exhaust port (303), and the exhaust fan (11) is provided on the rear axle cover (101).

4. The automatic combing and hair-absorbing roller litter box according to claim 1, characterized in that, The turntable drive mechanism includes a first motor (13), which is fixedly arranged relative to the bracket (5). A pulley transmission mechanism (14) or a gear transmission mechanism is provided between the main shaft of the first motor (13) and the first turntable (6).

5. The automatic combing and hair-absorbing roller litter box according to claim 1, characterized in that, The combing nozzle diameter changing mechanism includes: The second turntable (15) is provided with a plurality of oblique sliding holes (1501), and each of the combing parts (7) is provided with a guide post (701), and the guide post (701) passes through one of the oblique sliding holes (1501); The second motor (16) is fixedly mounted relative to the bracket (5). The main shaft of the second motor (16) is provided with a first drive gear (17). The edge of the second turntable (15) is provided with gear teeth, which mesh with the first drive gear (17).

6. The automatic combing and hair-absorbing roller litter box according to claim 5, characterized in that, Each of the combing parts (7) includes a sliding seat (702) and a combing seat (703). The guide post (701) is disposed on the sliding seat (702), and the combing seat (703) is slidably disposed at the front end of the sliding seat (702). A spring (704) is disposed between the sliding seat (702) and the combing seat (703).

7. The automatic combing and hair-absorbing roller litter box according to claim 6, characterized in that, The first turntable (6) is provided with a plurality of first radial grooves (601), and each first radial groove (601) is slidably fitted with a sliding seat (702), and the end of the comb seat (703) is provided with a lint-adhesive plate (18).

8. The automatic combing and hair-absorbing roller litter box according to claim 7, characterized in that, It also includes a third turntable (19) and a second suction tube (20). The third turntable (19) is connected to the first turntable (6). The third turntable (19) is provided with a plurality of second radial grooves (1901). The second radial grooves (1901) and the first radial grooves (601) are staggered in the circumferential direction. Each second radial groove (1901) is slidably fitted with a sliding seat (702). The end of the comb seat (703) is provided with a scraping plate (21) and combing teeth (22). The scraping plate (21) is provided with a plurality of scraping holes. The combing teeth (22) pass through the scraping holes. The front end of the second suction tube (20) faces the inner edge of the third turntable (19). The rear end of the second suction tube (20) is directly or indirectly connected to the negative pressure device (9).

9. The automatic combing and hair-absorbing roller litter box according to claim 2 or 3, characterized in that, It also includes a controller (23) and an operation panel (24). The five signal output terminals of the controller (23) are electrically connected to the roller motor (4), the turntable drive mechanism, the combing diameter changing mechanism, the negative pressure device (9), and the exhaust fan (11), respectively. One signal input terminal of the controller (23) is electrically connected to the operation panel (24).

10. The automatic combing and hair-absorbing roller litter box according to claim 9, characterized in that, It also includes at least a first pet detection device (25) and a second pet detection device (26), the first pet detection device (25) and the second pet detection device (26) are respectively disposed inside and outside the first enclosure (501), and the signal output terminal of the first pet detection device (25) and the signal output terminal of the second pet detection device (26) are respectively electrically connected to two of the signal receiving terminals of the controller (23) for detecting whether the pet passes through and moves away from the first enclosure (501).

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