Cat litter box with automatic hair collecting and sucking roller

Abstract

The utility model provides a cat litter basin with an automatic hair collecting and sucking roller. The cat litter basin comprises a base, an automatic hair collecting and sucking device, the cat litter roller, a roller motor, a ceiling, a negative pressure device and a filter box. A cat litter drawer is slidably arranged in the base; the automatic hair collecting and sucking device is arranged at the front end of the base, and a pet channel is arranged on the automatic hair collecting and sucking device; the cat litter roller is directly or indirectly arranged on the base in a rotating mode, one end of the cat litter roller is provided with an access which is communicated with the pet channel, the side wall of the cat litter roller is provided with a cat litter opening, and the cat litter opening corresponds to the cat litter drawer; a main shaft of the roller motor is in direct or indirect transmission connection with the cat litter roller; the ceiling is arranged above the base in a buckled mode, and one end of the ceiling is in butt joint with the automatic wool collecting and sucking device. The negative pressure device is communicated with the automatic hair collecting and sucking device, and the negative pressure device is arranged in the base; the filter box is detachably connected to the negative pressure device in a sealed mode, and the filter box is arranged in the base in a sliding mode.

Description

Technical Field

[0001] This utility model belongs to the field of pet supplies, specifically relating to an automatic hair collection 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. Summary of the Invention

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

[0004] This utility model proposes an automatic hair collection and suction roller cat litter box, comprising:

[0005] The base has a cat litter drawer that is slidably installed inside it.

[0006] An automatic hair collection and suction device is provided, which is located at the front end of the base and has a pet passage.

[0007] A cat litter roller is rotatably mounted on the base, either directly or indirectly. One end of the cat litter roller has an inlet / outlet that is connected to the pet passage. A litter opening is provided on the side wall of the cat litter roller, and the litter opening corresponds to the litter drawer.

[0008] A roller motor, wherein the main shaft of the roller motor is directly or indirectly connected to the cat litter roller;

[0009] A canopy is fastened and disposed above the base, with one end of the canopy connected to the automatic lint collection and suction device;

[0010] A negative pressure device, which is connected to the automatic hair collection and suction device, is disposed inside the base;

[0011] A filter box is detachably and sealingly connected to the negative pressure device, and the filter box is slidably disposed within the base.

[0012] This utility model also has the following optional features.

[0013] Optionally, an exhaust fan is provided directly or indirectly at one end of the base, the inlet of the exhaust fan is connected to the inside of the cat litter roller, and the outlet of the exhaust fan is connected to an exhaust hose.

[0014] Optionally, the other end of the cat litter roller is provided with an exhaust port, one end of the base is directly or indirectly installed with a rear axle cover, a sealing ring is provided between the inner side of the rear axle cover and the exhaust port, and the exhaust fan is installed on the rear axle cover.

[0015] Optionally, the automatic hair collection and suction device includes:

[0016] A bracket, which is mounted on the base, has an opening for the pet to pass through;

[0017] Multiple hair-collecting components, each wedge-shaped, are slidably assembled on the bracket around the outer periphery of the ring opening to form the pet passage. The pet passage can be simultaneously expanded and contracted until it is closed by sliding. Each hair-collecting component has a hair-collecting surface and a sliding surface intersecting at its end. The hair-collecting surface faces the inside of the ring opening. The hair-collecting surface of each component slides in contact with the sliding surface of an adjacent component. Hair-collecting portions are provided on the hair-collecting surfaces of the multiple components, and scraping teeth are provided at the intersection of the hair-collecting surface and the sliding surface. At least one hair-collecting component has a suction port near its end on its hair-collecting surface, and the suction port is connected to the inlet of the negative pressure device.

[0018] An adjusting ring is rotatably disposed relative to the bracket. The adjusting ring cooperates with each of the hair-collecting components through multiple sliding grooves to drive each of the hair-collecting components to synchronously contract or synchronously open. A rotation drive mechanism is provided between the adjusting ring and the bracket.

[0019] An end panel is disposed at the front end of the bracket and holds multiple hair collection components inside. The end panel is provided with an inlet and outlet, which are axially aligned with the pet passage and the ring opening.

[0020] Optionally, the hair-collecting surface on one of the hair-collecting components is a smooth surface, which is slidably attached to the sliding surface on the hair-collecting component having the hair-suction port.

[0021] Optionally, the hair-collecting part is a comb tooth, and correspondingly, the sliding surface of the plurality of hair-collecting parts is provided with a groove, the hair-scraping tooth is provided at one end of the groove, and the comb tooth and the hair-scraping tooth are distributed alternately.

[0022] Optionally, the rotation drive mechanism includes a motor, and a gear set or pulley set is provided between the main shaft of the motor and the adjusting ring for driving the adjusting ring to rotate.

[0023] Optionally, the bracket is provided with a plurality of first inclined grooves, the adjusting ring is provided with a plurality of second inclined grooves, and each of the hair collecting components is provided with a guide post, one end of the guide post being slidably engaged with the first inclined groove, and the other end of the guide post being slidably engaged with the second inclined groove.

[0024] Optionally, it also includes a controller, three of which are electrically connected to the roller motor, the negative pressure device, and the rotation drive mechanism, respectively, for controlling the roller motor to drive the cat litter roller, the drive mechanism to drive the adjusting ring to rotate, and the negative pressure device to suck up hair through the suction port.

[0025] Optionally, a first pet detection device and a second pet detection device are respectively provided at the inner and outer ends of the pet passage. The signal output terminals of the first pet detection device and the second pet detection device are electrically connected to two of the signal receiving terminals of the controller, respectively, for detecting whether a pet cat has passed through the pet passage or left the litter roller.

[0026] This utility model's automatic hair collection and suction roller litter box requires the cat to pass through the pet passage on the automatic hair collection and suction device when entering and leaving the litter roller. The automatic hair collection and suction device collects the cat's shed hair, and a negative pressure device sucks the hair away, thus achieving the automatic hair collection and suction function for the cat, eliminating the need for pet owners to manually clean the pet's hair. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the overall structure of the automatic hair collection and suction roller cat litter box of this utility model;

[0028] Figure 2 yes Figure 1 A schematic diagram of the internal structure of the automatic hair collection and hair-absorbing roller cat litter box;

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

[0030] Figure 4 yes Figure 1 Structural diagram of the negative pressure device and filter box in the middle;

[0031] Figure 5 yes Figure 2 and Figure 3 A schematic diagram of the cat litter roller structure;

[0032] Figure 6 yes Figure 2 A schematic diagram of the automatic hair collection and suction device with the end panel removed;

[0033] Figure 7 yes Figure 6 A schematic diagram of the automatic lint collection and suction device without the adjustment ring;

[0034] Figure 8 yes Figure 7 A detailed structural diagram of the pet passageway;

[0035] Figure 9 yes Figure 7 A schematic diagram of the pet passageway in its contracted state;

[0036] Figure 10 yes Figure 9 A detailed structural diagram of the pet passage in its contracted state;

[0037] Figure 11 This is a three-dimensional structural diagram of the hair collection component in the automatic hair collection and suction roller cat litter box of this utility model.

[0038] Figure 12 yes Figure 11 A three-dimensional structural diagram of the wool-collecting component from another perspective;

[0039] Figure 13 This is a three-dimensional structural diagram of a lint collector with a suction port;

[0040] Figure 14 This is a schematic diagram of the three-dimensional structure of a wool-collecting component with a smooth surface;

[0041] Figure 15 This is a schematic diagram of the inner structure of the adjusting ring in the automatic hair collection and suction device of this utility model.

[0042] Figure 16 This is a schematic diagram of the control system structure of the automatic hair collection and suction roller cat litter box of this utility model.

[0043] In the above diagram: 1. Base; 101. First opening; 102. First rotating support; 103. Second rotating support; 104. Second opening; 105. Rear axle cover; 106. Mounting groove; 2. Cat litter drawer; 3. Cat litter roller; 301. Inlet / outlet; 302. Cat litter opening; 303. Exhaust outlet; 4. Roller motor; 5. Canopy; 6. Negative pressure device; 7. Filter box; 8. Exhaust fan; 9. Exhaust hose; 10. Bracket; 1001. Ring opening; 1002. First inclined groove; 003, Roller; 11, Hair collection component; 1101, Hair collection surface; 1102, Sliding surface; 1103, Hair suction port; 1104, Groove; 1105, Guide post; 12, Hair collection section; 13, Hair scraping teeth; 14, Adjusting ring; 1401, Second inclined groove; 1402, Rolling ring; 15, End panel; 1501, Inlet and outlet; 16, Drive motor; 17, Controller; 18, First pet detection device; 19, Second pet detection device; 20, Drive gear; 21, Negative pressure pipeline.

[0044] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Detailed Implementation Example 1

[0045] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 This utility model proposes an automatic hair collection and suction roller cat litter box, comprising: a base 1, an automatic hair collection and suction device A, a cat litter roller 3, a roller motor 4, a canopy 5, a negative pressure device 6, and a filter box 7; a first opening 101 is provided on one side of the base 1, and a cat litter drawer 2 is slidably disposed in the first opening 101; a first rotating support 102 and a second rotating support 103 are also provided inside the base 1; the automatic hair collection and suction device A is disposed at the front end of the base 1, and a pet passage is provided on the automatic hair collection and suction device A; the cat litter roller 3 is rotatably disposed on the first rotating support 102 and the second rotating support 103, and one end of the cat litter roller 3... An entrance / exit 301 is provided, which is connected to the pet passage. A litter opening 302 is provided on the side wall of the litter roller 3, which corresponds to the litter drawer 2. The main shaft of the roller motor 4 is directly or indirectly connected to the litter roller 3. The canopy 5 is fastened and installed above the base 1, and one end of the canopy 5 is connected to the automatic hair collection and suction device A. The negative pressure device 6 is connected to the automatic hair collection and suction device A and is installed inside the base 1. The filter box 7 is detachably and sealed to the negative pressure device 6. A second opening 104 is provided on one side of the base 1, and the filter box 7 is slidably installed in the second opening 104.

[0046] An automatic hair collection and suction device A is located at the front end of the base 1. The litter drawer 2 is slidably mounted inside the base 1 through the first opening 101. The litter roller 3 is rotatably mounted on the first rotating support 102 and the second rotating support 103. The pet passage on the automatic hair collection and suction device A is connected to the inlet and outlet 301 on the litter roller. The cat can conveniently enter the litter drawer 2 slidably mounted in the base 1 through the pet passage on the automatic hair collection and suction device. The roller motor 4 can drive the litter roller 3 to rotate, so that the litter outlet 302 can rotate to align with the upper end of the litter drawer 2. The feces filtered out by the litter roller 3 can fall from the litter outlet 302 into the litter drawer 2. The user can pull out the litter drawer 2 through the first opening 101 to clean the cat's feces.

[0047] The canopy 5 is fastened above the base 1. One end of the canopy 5 is connected to the automatic hair collection and suction device A, and the other end covers the first rotating support 102, the second rotating support 103, and the cat litter roller 3 inside.

[0048] As the cat passes through the pet passage of the automatic hair collection and suction device A into and out of the litter roller 3, the automatic hair collection and suction device A collects the cat's shed hair, and the negative pressure device 6 then sucks the cat's hair away.

[0049] The base 1 has an installation groove 106, in which the negative pressure device 6 and the filter box 7 are installed. The base 1 has a second opening 104 that communicates with the installation groove 106. The filter box 7 extends into the second opening 104 and is connected to the filter element set of the negative pressure device 6. The vacuum created by the negative pressure device 6 is transmitted to the hair suction port 1103 through the negative pressure pipeline 21. The air and pet hair sucked in by the hair suction port 1103 move towards the negative pressure device 10 in the negative pressure pipeline 21. After being filtered by the filter element, the pet hair remains in the filter box 7. The user can pull out the filter box 7 from the second opening 104 to clean the pet hair.

[0050] The negative pressure device 6 can be a vacuum pump or a centrifugal fan. This invention's automatic hair collection and suction roller litter box can automatically collect and suction hair from pet cats, eliminating the need for pet owners to manually clean their pets' fur. Example 2

[0051] refer to Figure 1 , Figure 2 and Figure 3 Based on embodiment 1, a fan 8 is provided at one end of the second rotating support 103. The inlet of the fan 8 is connected to the inside of the cat litter roller 3, and the outlet of the fan 8 is connected to an exhaust hose 9.

[0052] The exhaust fan 8 uses a low-noise fan and will not produce noise. The air inlet of the exhaust fan 8 is connected to the inside of the litter roller 3, and the air outlet of the exhaust hose 9 can lead to a window or a sewer. When the automatic hair collection and suction device A opens the pet passage, the exhaust fan 8 starts working. When the cat enters the litter roller 3 to defecate, the exhaust fan 8 can exhaust the air inside the litter roller 3 to the window or a sewer, preventing odors from escaping from the pet passage. The exhaust fan 8 can be set to stop operating after the pet passage is closed, or it can be kept powered on continuously. Example 3

[0053] refer to Figure 3 and Figure 5 Based on embodiment 2, the other end of the cat litter roller 3 is provided with an exhaust port 303, the outer side of the second rotating support 103 is provided with a rear axle cover 105, a sealing ring is provided between the inner side of the rear axle cover 105 and the exhaust port 303, and the exhaust fan 8 is provided on the rear axle cover 105.

[0054] The rear axle cover 105 has an insertion port on its inner side. When the rear axle cover 105 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 8 is connected to the rear axle cover 105, and its air inlet passes through the rear axle cover 105 and connects to the exhaust port 303, so that the exhaust is not affected when the litter roller 3 rotates. Example 4

[0055] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 8 and Figure 10Based on Embodiment 1, the automatic hair collection and suction device A includes: a support 10, multiple hair collection components 11, an adjusting ring 14, and an end panel 15. The support 10 is mounted on a base 1 and has an opening 1001 for pets to pass through. The outer end of the opening 1001 is inserted into the inlet / outlet 301 of the litter roller 3 and is sealed by a sealing ring. Each hair collection component 11 has a wedge-shaped structure. Each hair collection component 11 is slidably mounted on the outer periphery of the opening 1001 on the support 10 to form a pet passage. The pet passage can be synchronously expanded and contracted until it is closed by sliding. Each hair collection component 11 has a hair collection surface 1101 and a sliding surface 1102 intersecting at its end. The hair collection surface 1101 faces the inner end of the opening 1001. The hair collection surface 1101 on each hair collection component 11 is connected to the adjacent hair collection component 11. The sliding surface 1102 of the bracket 10 slides and fits together. The hair collecting surface 1101 of the multiple hair collecting parts 11 is provided with a hair collecting part 12. The intersection of the hair collecting surface 1101 and the sliding surface 1102 is provided with a hair scraping tooth 13. At least one hair collecting surface 1101 of the hair collecting part 11 is provided with a hair suction port 1103 near the end. The hair suction port 1103 is connected to the inlet of the negative pressure device 6. The adjusting ring 14 is rotatably set relative to the bracket 10. The adjusting ring 14 and each hair collecting part 11 are engaged through multiple sliding grooves to drive each hair collecting part 11 to contract or open synchronously. A rotation drive mechanism is provided between the adjusting ring 14 and the bracket 10. The end panel 15 is set at the front end of the bracket 10 and fastens the multiple hair collecting parts 11 inside. The end panel 15 is provided with an inlet and outlet 1501. The inlet and outlet 1501 are axially aligned with the pet passage and the ring opening 1001.

[0056] refer to Figure 6 , Figure 7 , Figure 9 and Figure 15 The structure of the bracket 10, the various hair-collecting components 11, and the adjusting ring 14 in the automatic hair-collecting and suction device A is similar to that of a shutter mechanism. Multiple rollers 1002 are arranged inside the bracket 10, and a rolling ring 1402 is arranged on one side of the adjusting ring 14. The surfaces of each roller 1002 can roll along the surface of the rolling ring 1402, allowing the adjusting ring 14 to roll relative to the bracket 10. A negative pressure pipe 21 connects the hair-collecting component 11 with the suction port 1103 to the inlet of the negative pressure device 6. The negative pressure pipe 21 can be a flexible pipe capable of bearing pressure, such as a corrugated pipe or a spring pipe.

[0057] refer to Figure 1 , Figure 2 , Figure 3 , Figure 6 , Figure 7 , Figure 8 , Figure 9 and Figure 10The automatic hair collection and suction device A is located at the entrance of the litter roller 3. The eight hair collection components 11 are slid to the open pet passage. When the cat enters or exits the litter roller 3, it inevitably passes through the inlet / outlet 1501, the pet passage, and the enclosure 1001. At this time, the cat's fur will come into contact with the hair collection parts 12 on the hair collection surfaces 1101 of each hair collection component 11, and the shed pet hair will be collected on each hair collection part 12. Then, the rotation drive mechanism is activated, which drives the adjusting ring 14 to rotate. The adjusting ring 14 moves the eight hair collection components 11, allowing the pet passage to open. The pet passage narrows as the eight hair-collecting components 11 slide synchronously on the support 10. The scraping teeth 13 on the hair-collecting components 11 scrape the hair from the hair-collecting parts 12 on the adjacent hair-collecting components 11 until the pet passage diameter narrows to the set size. At this time, the scraping teeth 13 on each hair-collecting component 11 have scraped the pet hair to the suction port 1103. Then, the negative pressure device 6 is activated. The negative pressure device 6 sucks away the scraped pet hair through the suction port 1103 and the negative pressure pipeline 21. After the pet hair is sucked away, the negative pressure device 6 stops. The adjusting ring 14 then drives the eight hair-collecting components 11 to move, so that the pet passage opens to its original size. Example 5

[0058] refer to Figure 8 , Figure 13 and Figure 14 Based on embodiment 4, the hair collecting surface 1101 on one of the hair collecting components 11 is a smooth surface, and the smooth surface slides and adheres to the sliding surface 1102 on the hair collecting component 11 with the hair suction port 1103.

[0059] Since the suction port 1103 is provided on the sliding surface 1102 of the hair collecting member 11, the hair collecting teeth 13 cannot be provided, and therefore the hair collecting surface 1101 on the adjacent hair collecting member 11 cannot be scraped. Therefore, the hair collecting surface 1101 on the adjacent hair collecting member 11 does not need to be provided with the hair collecting part 12, and a smooth surface is used directly. Example 6

[0060] refer to Figure 8 , Figure 11 and Figure 12 Based on embodiment 4, the hair collection part 12 is a comb tooth. Correspondingly, the sliding surface 1102 of the multiple hair collection parts 11 is provided with a groove 1104, and the hair scraping tooth 13 is provided at one end of the groove 1104. The comb tooth and the hair scraping tooth 13 are distributed alternately.

[0061] The hair collection part 12 adopts multiple rows of comb teeth, which are set on the hair collection surface 1101 of the hair collection part 11. The sliding surface 1102 of the adjacent hair collection part 11 is provided with grooves 1104, which can accommodate the comb teeth when the pet passage is contracted. When the pet passes through the ring 1001 and the pet passage, the multiple rows of comb teeth will comb the pet cat's fur, and the shed fur on the pet cat will be combed off by the comb teeth. The comb teeth and the scraping teeth 13 are distributed alternately. When the pet passage is contracted, two adjacent hair collection parts 11 slide against each other, and the scraping teeth 13 pass through the spaces between the multiple rows of comb teeth, which can scrape away the pet fur between the comb teeth. Example 7

[0062] refer to Figure 6 Based on embodiment 4, the rotation drive mechanism includes a drive motor 16, and a gear set or pulley set is provided between the main shaft of the drive motor 16 and the adjusting ring 14 to drive the adjusting ring 14 to rotate.

[0063] Multiple gear teeth are provided on the outer edge of the adjusting ring 14. The drive motor 16 can be fixed on the bracket 10, and a drive gear 20 is connected to its shaft. The drive gear 20 meshes with the gear teeth on the adjusting ring 14 to form a gear set. Starting the drive motor 16 will drive the adjusting ring 14 to rotate. Alternatively, a groove can be provided on the outer edge of the adjusting ring 14, and a drive pulley can be connected to the shaft of the drive motor 16. The drive pulley forms a pulley set with the adjusting ring 14 through a belt, and starting the drive motor 16 will drive the adjusting ring 14 to rotate. Example 8

[0064] refer to Figure 6 , Figure 7 , Figure 9 and Figure 15 Based on embodiment 4, the bracket 10 is provided with a plurality of first inclined grooves 1002, the adjusting ring 14 is provided with a plurality of second inclined grooves 1401, and each hair collection component 11 is provided with a guide post 1105. One end of the guide post 1105 is slidably engaged with the first inclined groove 1002, and the other end of the guide post 1105 is slidably engaged with the second inclined groove 1401.

[0065] When the adjusting ring 14 rotates under the drive of the rotation mechanism, the multiple second inclined grooves 1401 on the adjusting ring 14 push one end of the guide post 1105 on the hair collection component 11, so that the hair collection component 11 moves along the first inclined groove 1002 on the bracket 10 through the other end of the guide post 1105. At the same time, each pair of adjacent hair collection components 11 slides against each other through the hair collection surface 1101 and the sliding surface 1102, thereby realizing the adjustment of the size of the pet passage, so that the whole device can adapt to pet cats of different sizes. Example 9

[0066] refer to Figure 4 and Figure 16Based on any of the above embodiments, a controller 17 is also included. The two signal output terminals of the controller 17 are electrically connected to the rotation drive mechanism and the negative pressure device 6, respectively, and are used to control the drive mechanism to drive the adjustment ring 14 to rotate, so that the negative pressure device 6 can suck up hair through the negative pressure pipeline 21 and the suction port 1103.

[0067] Two of the signal output terminals of the controller 17 are electrically connected to the negative pressure device 6 and the drive motor 16 in the rotary drive mechanism, respectively. The controller 17 can control the start and stop of the drive motor 16 and the negative pressure device 6, and can control the rotary drive mechanism to drive the adjusting ring 14 to rotate, so that the shaving teeth 13 shave the hair on each hair collection part 12, and at the same time, the negative pressure device 6 sucks away the pet hair shaving from each hair collection part 12 by the shaving teeth 13 through the suction port 1103. Example 10

[0068] refer to Figure 16 Based on embodiment 9, a first pet detection device 18 and a second pet detection device 19 are respectively provided at the inner and outer ends of the pet passage. The signal output terminals of the first pet detection device 18 and the second pet detection device 19 are electrically connected to two of the signal receiving terminals of the controller 17, respectively, to detect whether the pet cat has passed through the pet passage or left the litter box.

[0069] The first pet detection device 18 can be a distance sensor, and the second pet detection device 19 can be a photoelectric switch. They can be respectively set at the outer port of the pet passage and inside the canopy 5. When the controller 17 detects a pet near the enclosure 1001 through the first pet detection device 18, the controller 17 will not start the rotation drive mechanism and the negative pressure device 6 to avoid startling the pet. When the controller 17 detects that the cat has left the litter box through the second pet detection device 19, the controller 17 starts to start the rotation drive mechanism to scrape the fur and starts the negative pressure device 6 to suck up the scraped pet fur.

[0070] 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 clumping and suction roller litter box, characterized by, Include: Base (1), the cat litter drawer (2) is slidably arranged in the base (1); Automatic hair collection and suction device (A), the automatic hair collection and suction device (A) is arranged at the front end of the base (1), and the automatic hair collection and suction device (A) is provided with a pet channel; Cat litter drum (3), the cat litter drum (3) is directly or indirectly rotatably arranged on the base (1), one end of the cat litter drum (3) is provided with an entrance and exit (301), the entrance and exit (301) is communicated with the pet channel, and the sidewall of the cat litter drum (3) is provided with a cat litter port (302), the cat litter port (302) corresponds to the cat litter drawer (2); Drum motor (4), the main shaft of the drum motor (4) is directly or indirectly drivingly connected with the cat litter drum (3); Ceiling (5), the ceiling (5) is snap-fitted above the base (1), one end of the ceiling (5) is opposite to the automatic hair collection and suction device (A); Negative pressure device (6), the negative pressure device (6) is communicated with the automatic hair collection and suction device, and the negative pressure device (6) is arranged in the base (1); Filter box (7), the filter box (7) is detachably and sealingly connected with the negative pressure device (6), and the filter box (7) is slidably arranged in the base (1).

2. The self-raking and fur-absorbing drum litter box according to claim 1, characterized in that, One end of the base (1) is directly or indirectly provided with an exhaust fan (8), the inlet of the exhaust fan (8) is communicated with the inside of the cat litter drum (3), and the air outlet of the exhaust fan (8) is connected with an exhaust hose (9).

3. The self-raking and fur-absorbing drum litter box according to claim 2, characterized in that, The other end of the cat litter drum (3) is provided with an exhaust port (303), one end of the base (1) is directly or indirectly provided with a rear axle cover (105), a sealing ring is arranged between the inside of the rear axle cover (105) and the exhaust port (303), and the exhaust fan (8) is arranged on the rear axle cover (105).

4. The self-raking and fur-absorbing drum litter box of claim 1, wherein, The automatic hair collection and suction device (A) comprises: Support (10), the support (10) is arranged on the base (1), and the support (10) is provided with a ring opening (1001) for the pet to pass through; A plurality of hair collecting members (11), each of which is wedge-shaped, is slidably assembled on the periphery of the ring opening (1001) of the support (10) to form the pet passage, and is capable of synchronous expansion and contraction until the pet passage is closed, each of the hair collecting members (11) is provided with a hair collecting surface (1101) and a sliding surface (1102) intersecting at the end, the hair collecting surface (1101) faces the inner side of the ring opening (1001), the hair collecting surface (1101) of each of the hair collecting members (11) is slidably fitted with the sliding surface (1102) of an adjacent hair collecting member (11), the hair collecting surface (1101) of the plurality of hair collecting members (11) is provided with a hair collecting portion (12), and the intersection of the hair collecting surface (1101) and the sliding surface (1102) is provided with a scraping tooth (13); the hair collecting surface (1101) of at least one of the hair collecting members (11) is provided with a suction opening (1103) near the end, and the suction opening (1103) is in communication with the inlet of the negative pressure device (6); An adjusting ring (14) is rotatably arranged relative to the support (10), the adjusting ring (14) is matched with each of the hair collecting members (11) through a plurality of sliding grooves, and is used to drive each of the hair collecting members (11) to be synchronously contracted or synchronously expanded, and a rotary driving mechanism is arranged between the adjusting ring (14) and the support (10); An end panel (15) is arranged at the front end of the support (10), a plurality of the hair collecting members (11) are buckled inside, and the end panel (15) is provided with an inlet and outlet (1501), which is axially aligned with the pet passage and the ring opening (1001).

5. The self-raking and fur-absorbing drum litter box according to claim 4, wherein, The hair collecting surface (1101) of one of the hair collecting members (11) is a smooth surface, which is slidably fitted with the sliding surface (1102) of the hair collecting member (11) having the suction opening (1103).

6. The self-raking and fur-absorbing drum litter box according to claim 4, wherein, The hair collecting portion (12) is a combing tooth, and correspondingly, the sliding surface (1102) of each of the hair collecting members (11) is provided with a groove (1104), and the scraping tooth (13) is arranged at one end of the groove (1104), and the combing tooth and the scraping tooth (13) are distributed alternately.

7. The self-raking and fur-absorbing drum litter box according to claim 4, wherein, The rotary driving mechanism comprises a driving motor (16), and a gear set or a belt wheel set is arranged between the main shaft of the driving motor (16) and the adjusting ring (14) to drive the adjusting ring (14) to rotate.

8. The self-raking and fur-absorbing drum litter box according to claim 4, wherein, A plurality of first inclined grooves (1002) are arranged on the support (10), a plurality of second inclined grooves (1401) are arranged on the adjusting ring (14), each of the hair collecting members (11) is provided with a guide column (1105), one end of the guide column (1105) is slidably matched with the first inclined groove (1002), and the other end of the guide column (1105) is slidably matched with the second inclined groove (1401).

9. The self-raking and fur-absorbing drum litter box according to any one of claims 4 to 8, characterized in that, Also include a controller (17), three signal output ends of the controller (17) are respectively connected with the drum motor (4), the negative pressure device (6) and the rotation driving mechanism, for controlling the drum motor (4) drives the cat litter drum (3), the driving mechanism drives the adjusting ring (14) rotates and the negative pressure device (6) through the hair suction port (1103) and suck hair.

10. The self-raking and fur-absorbing drum litter box according to claim 9, characterized in that, The inner and outer ends of the pet channel are respectively provided with a first pet detection device (18) and a second pet detection device (19), and the signal output ends of the first pet detection device (18) and the second pet detection device (19) are respectively connected with two signal receiving ends of the controller (17), for detecting whether the pet cat passes through the pet channel or leaves the cat litter drum (3).

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