Roller cat litter box capable of combing hair

Abstract

The utility model provides a roller cat litter basin capable of combing hair. The roller cat litter basin comprises a base, a cat litter roller, a roller motor, a support, a first rotating disc, a hair scraping comb, a hair combing caliber changing mechanism, a negative pressure device and a ceiling. The cat litter roller is rotationally arranged on the base, and an inlet and outlet and a cat litter opening are formed in the cat litter roller; a main shaft of the roller motor is in transmission connection with the cat litter roller; a first ring opening in the rear side of the bracket extends into the entrance; the first rotating disc is rotationally assembled on the support, a dehairing folded edge is arranged on the inner edge of the first rotating disc, a plurality of dehairing holes are formed in the dehairing folded edge, and a rotating disc driving mechanism is arranged between the first rotating disc and the support; a plurality of dehairing combs are arranged on the first turntable in a swinging manner, and comb teeth on each dehairing comb penetrate through the dehairing holes and extend into the first ring opening; the carding caliber changing mechanism is used for driving the plurality of scraping combs to swing; an inlet of the negative pressure device is connected with a hair suction pipe, and a front end opening of the hair suction pipe extends into the inner side of the hair scraping folded edge and faces the comb teeth. And the ceiling is buckled on the base.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pet supplies field, concretely relates to a kind of hair can be combed drum litter box. BACKGROUND

[0002] With the improvement of living standards, more and more users raise pet cats of various breeds, especially long-haired pet cats such as Sphynx, Ragdoll or Maine. However, long-haired pet cats tend to shed a lot of hair, and the hair is prone to knotting, which requires regular grooming. Grooming a pet cat during its shedding period is very energy-consuming for the user. To reduce the time spent by the user on grooming the pet cat, manual and electric hair combs have been developed on the market. However, both manual and electric hair combs still require the user to operate them manually, and do not achieve the effect of automatically grooming the pet cat's hair. Some products place a hair combing pad on the corner of a wall or the leg of a table in an area where the pet cat frequently enters and exits, in the hope that the pet cat will rub against the combing pad on its own. However, this method is inefficient, and the hair combed off still needs to be collected manually by the user. A litter box is an essential pet product for indoor cat owners, and its performance is increasingly valued by working users. Existing automatic litter boxes mainly include drum litter boxes and rake-type litter boxes. Drum litter boxes are the most popular due to their sealing and odor-blocking properties. However, current drum litter boxes do not have an automatic grooming function. SUMMARY

[0003] In view of the above, the purpose of the present utility model is to provide a drum litter box that can comb hair, to overcome the above problems or at least partially solve or alleviate them.

[0004] The utility model provides a kind of hair can be combed drum litter box, comprising:

[0005] Base, one side of the base is provided with excrement drawer;

[0006] Cat litter drum, the cat litter drum is rotationally arranged on the base, one end of the cat litter drum is provided with entrance and exit, a side wall of the cat litter drum is provided with cat litter port, the cat litter port corresponds with the excrement drawer;

[0007] Drum motor, the drum motor is directly or indirectly arranged on the base, the main shaft of the drum motor is directly or indirectly drivingly connected with the cat litter drum;

[0008] Support, the support is arranged at the front of the base, the rear side of the support is provided with first circle port, the first circle port extends into the entrance and exit;

[0009] A first rotating disc is rotatably arranged on the support, the inner edge of the first rotating disc is aligned with the first ring-shaped opening, the inner edge of the first rotating disc is provided with a scraping edge, the scraping edge is provided with a plurality of scraping holes, and a rotating disc driving mechanism is arranged between the first rotating disc and the support.

[0010] A plurality of scraping combs are swingably arranged on the first rotating disc, one side of the end of each scraping comb is provided with a comb tooth, and the comb tooth extends into the first ring-shaped opening through the scraping hole.

[0011] A comb diameter changing mechanism is arranged between the plurality of scraping combs and used for driving the plurality of scraping combs to swing.

[0012] A negative pressure device is arranged in the base, an inlet of the negative pressure device is connected with a hair suction pipe, and a front end of the hair suction pipe extends into the inner side of the first ring-shaped opening and the scraping edge and faces the comb tooth.

[0013] A ceiling is buckled on the base.

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

[0015] Optionally, an air extractor is further arranged in the ceiling, an air outlet of the air extractor is arranged outside the ceiling, and an exhaust hose is connected to the air outlet of the air extractor.

[0016] Optionally, a rear shaft cover is further arranged, the other end of the cat litter roller is provided with an exhaust port, a sealing ring is arranged between the inner side of the rear shaft cover and the exhaust port, and the air extractor is arranged on the rear shaft cover.

[0017] Optionally, a filter box is slidably arranged in the base, and the inner end of the filter box is detachably connected with the negative pressure device.

[0018] Optionally, the rotating disc driving mechanism comprises a first motor, the first motor is fixedly arranged relative to the support, and a belt transmission mechanism or a gear transmission mechanism is arranged between the main shaft of the first motor and the first rotating disc.

[0019] Optionally, the comb diameter changing mechanism comprises:

[0020] A second rotating disc is rotatably arranged relative to the first rotating disc, the second rotating disc is provided with a plurality of inclined sliding holes, each scraping comb is provided with a guide column, and the guide column respectively penetrates through one inclined sliding hole.

[0021] A second motor is fixedly arranged relative to the support, a driving gear is arranged on a main shaft of the second motor, and a gear tooth is arranged on the edge of the second rotating disc and engaged with the driving gear.

[0022] Optionally, a plurality of circumferential long holes are arranged on the second rotating disc, and a plurality of connecting columns are circumferentially arranged on the first rotating disc, each of the connecting columns penetrating through one of the circumferential long holes, so that the second rotating disc can reciprocally rotate relative to the connecting columns on the first rotating disc through the circumferential long holes.

[0023] Optionally, a third rotating disc is further arranged and connected to the first rotating disc through the connecting columns.

[0024] Optionally, a controller and an operation panel are further arranged, three signal output ends of the controller are electrically connected with the rotating disc driving mechanism, the combing diameter changing mechanism and the negative pressure device respectively, and the controller is bidirectionally signal connected with the operation panel.

[0025] Optionally, a first pet detecting device and a second pet detecting device are further arranged, the first pet detecting device and the second pet detecting device are arranged on the inner side and the outer side of the support respectively, and signal output ends of the first pet detecting device and the second pet detecting device are electrically connected with two signal receiving ends of the controller respectively, for detecting whether the pet passes through and moves away from the first ring opening.

[0026] The drum cat litter basin capable of combing hair of the utility model realizes the effect of automatically combing hair of the pet, without manually combing hair of the pet by the pet owner, by arranging the first rotating disc and the plurality of scraping combs on the support of the cat litter basin and making the first ring opening of the support pass into the entrance of the cat litter drum, so that the pet is necessarily combed by the plurality of scraping combs on the first rotating disc when the pet enters and exits the cat litter drum of the cat litter basin from the support, and the floating hair combed off is sucked away by the negative pressure device through the hair suction pipe. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the external structure schematic view of the drum cat litter basin capable of combing hair of the utility model;

[0028] Figure 2 is the internal structure schematic view of the drum cat litter basin capable of combing hair of the utility model;

[0029] Figure 3 is Figure 2 the drum structure schematic view in

[0030] Figure 4 is Figure 1 and Figure 2The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0031] Figure 5 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the Figure 4 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0032] Figure 6 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the Figure 2 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0033] Figure 7 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0034] Figure 8 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0035] Figure 9 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0036] Figure 10 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the Figure 9 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0037] Figure 11 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the Figure 9 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the Figure 10 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0038] Figure 12 The internal structure diagram of the base of the cat litter box with the rollable and combable hair in the

[0039] In the above figure: 1, base; 101, rear axle cover; 102, first rotating support; 103, second rotating support; 104, first mounting port; 105, second mounting port; 106, mounting slot; 2, excrement drawer; 3, litter drum; 301, inlet and outlet; 302, litter port; 303, exhaust port; 304, gear ring; 4, drum motor; 5, support; 501, first ring port; 502, roller; 6, first rotating disc; 601, scraping flange; 602, scraping hole; 603, rolling flange; 604, fixed shaft; 605, connecting column; 7, scraping comb; 701, comb tooth; 702, guide column; 8, negative pressure device; 801, filter box; 9, hair suction pipe; 10, ceiling; 11, suction fan; 12, exhaust hose; 13, first motor; 14, pulley transmission mechanism; 15, second rotating disc; 1501, oblique sliding hole; 1502, circumferential long hole; 16, second motor; 17, driving gear; 18, third rotating disc; 19, controller; 20, operation panel; 21, first pet detection device; 22, second pet detection device; 23, end face; 2301, second ring port; 24, drum gear.

[0040] The utility model will be made further detailed description in combination with the drawings and examples. DETAILED DESCRIPTION

[0041] Example 1

[0042] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 9 、 Figure 10 and Figure 11The utility model discloses a kind of hair-combable drum litter box, comprising: base 1, litter drum 3, drum motor 4, support 5, first turntable 6, multiple scraping combs 7, combing aperture change mechanism, negative pressure device 8 and ceiling 10;Base 1 side is provided with excrement drawer 2;Litter drum 3 rotation is arranged on base 1, litter drum 3 one end is provided with entrance and exit 301, litter drum 3 side wall is provided with litter port 302, litter port 302 corresponds with excrement drawer 2;Drum motor 4 is directly or indirectly arranged on base 1, the main shaft of drum motor 4 is directly or indirectly transmission connection with litter drum 3;Support 5 is arranged at the front of base 1, the rear side of support 5 is provided with first circle mouth 501, first circle mouth 501 extends into entrance and exit 301;First turntable 6 is rotatably assembled on support 5, the inner edge of first turntable 6 is aligned with first circle mouth 501, the inner edge of first turntable 6 is provided with scraping folded edge 601, scraping folded edge 601 is provided with multiple scraping holes 602, and turntable drive mechanism is provided between first turntable 6 and support 5;Multiple scraping combs 7 are swingably arranged on first turntable 6, and one side of the end of each scraping comb 7 is respectively provided with comb tooth 701, and comb tooth 701 extends into first circle mouth 501 through scraping hole 602;Combing aperture change mechanism is arranged between multiple scraping combs 7, for driving multiple scraping combs 7 swing;Negative pressure device 8 is arranged in base 1, and the inlet of negative pressure device 8 is connected with suction tube 9, and the front end of suction tube 9 extends to the inner side of first circle mouth 501 and scraping folded edge 601, and is towards comb tooth 701;Ceiling 10 is buckled on base 1.

[0043] Reference Figure 2 、 Figure 3 And Figure 4 , first rotating seat 102 and second rotating seat 103 are arranged in base 1, litter drum 3 is rotationally arranged on first rotating seat 102 and second rotating seat 103, pet cat can enter litter drum 3 through first circle mouth 501 and entrance and exit 301 conveniently, first mounting port 104 that communicates inside base 1 is arranged on the side of base 1, excrement drawer 2 can be inserted into first rotating seat 102 and second rotating seat 103 between base 1 through first mounting port 104, just below litter port 302 of litter drum 3, and excrement drawer 2 is used to collect pet cat excrement;Drum motor 4 is fixed on second rotating seat 103, drum gear 29 is connected on the main shaft of drum motor 4, gear ring 304 is arranged on litter drum 3, and drum motor 4 drives litter drum 3 to rotate through the meshing transmission of drum gear 29 and gear ring 304, so that litter port 302 can be rotated to align with the upper end of excrement drawer 2, and the excrement filtered out of litter drum 3 can fall in excrement drawer 2 from litter port 302, and the user can pull out excrement drawer 2 at first mounting port 104 to clean the excrement of pet cat.

[0044] ReferenceFigure 6 、 Figure 9 and Figure 11 , the bracket 5 is arranged at the front end of the base 1, and the base 1, the bracket 5 and the ceiling 10 constitute a closed litter box shell. The pet cat enters the litter box through the first circle port 501 on the bracket 5, and a plurality of rollers 502 are arranged circumferentially on the bracket 5. The outer edge of the first rotating disc 6 is provided with a rolling flange 603, and the rolling flange 603 is in rolling cooperation with each roller 502, so that the first rotating disc 6 can rotate on the bracket 5 under the driving of the rotating disc driving mechanism.

[0045] Referring to Figure 9 、 Figure 10 and Figure 11 , the inner edge of the first rotating disc 6 is provided with a scraping flange 601, the scraping holes 602 on the scraping flange 601 are long holes, and a plurality of rows of scraping holes 602 are arranged circumferentially along the scraping flange 601, and each scraping hole 602 corresponds to a row of comb teeth 701; a plurality of fixed shafts 604 are further arranged on the first rotating disc 6, and each scraping comb 7 is hingedly connected to one fixed shaft 604. The end of the scraping comb 7 is provided with a comb tooth 701, and as the scraping comb 7 swings, a plurality of rows of comb teeth 701 can be inserted into the scraping holes 602 on the scraping flange 601.

[0046] Referring to Figure 1 、 Figure 2 、 Figure 5 and Figure 10 , the front side of the bracket 5 is further connected with an end face 23, the end face 23 covers the first rotating disc 6, the rotating disc driving mechanism, the scraping comb 7 and the comb hole diameter changing mechanism, and the end face 23 is provided with a second circle port 2301, the second circle port 2301 is aligned with the first circle port 501, and the first circle port 501, the scraping flange 601 and the second circle port 2301 constitute a pet passage.

[0047] When the pet cat enters and exits the litter box, it must pass through the pet passage, and the pet cat is combed by the plurality of scraping combs 7 on the first rotating disc 6 when passing through the pet passage, and the pet hair combed off is left on the comb teeth 701; after the pet passes through the pet passage, the comb hole diameter changing mechanism drives the plurality of scraping combs 7 to retreat radially until the end of the comb tooth 701 is withdrawn into the scraping hole 602 on the scraping flange 601, at which time the hair combed off by the comb tooth 701 is left on the surface of the scraping flange 601; then the rotating disc driving mechanism drives the first rotating disc 6 to rotate, so that the scraping flange 601 rotates with the first rotating disc 6 to pass through the front port of the hair suction pipe 9, and the negative pressure device 8 can suction the cat hair scraped off by the scraping flange 601 through the front port of the hair suction pipe 9, so as to realize the functions of automatic combing and hair suction, without the need for the pet owner to manually clean the pet cat hair.

[0048] Embodiment 2

[0049] Referring to Figure 2 、 Figure 4and Figure 5 On the basis of embodiment 1, an air extractor 11 is further arranged in the ceiling 10, the air outlet of the air extractor 11 is arranged outside the ceiling 10, and the air outlet of the air extractor 11 is connected with an exhaust hose 12.

[0050] The air extractor 11 is a micro-sound fan, which does not produce noise. The air inlet of the air extractor 11 is connected with the inner side of the litter drum 3, and the air outlet of the exhaust hose 12 can be arranged outside a window or a sewer. When the pet cat enters the litter drum to defecate, the air extractor 11 can exhaust the air in the litter drum to outside the window or the sewer, so that the odor does not leak from outside the pet passage. The air extractor 11 can be arranged to start running after the pet enters the litter drum, or can be always powered to run.

[0051] Embodiment 3

[0052] Reference Figure 2 , Figure 3 , Figure 4 and Figure 5 On the basis of embodiment 1, a rear axle cover 101 is further included, the other end of the litter drum 3 is provided with an exhaust port 303, a sealing ring is arranged between the inner side of the rear axle cover 101 and the exhaust port 303, and the air extractor 11 is arranged on the rear axle cover 101.

[0053] The inner side of the rear axle cover 101 is provided with a socket, when the rear axle cover 101 is connected to the second rotating support 103, the socket is inserted into the exhaust port 303 at the other end of the litter drum 3, and the socket forms a rotating sealing structure with the inner side wall of the exhaust port 303 through the sealing ring. The air inlet of the air extractor 11 is connected with the exhaust port 303 through the rear axle cover 101, so that the exhaust is not affected when the litter drum 3 rotates.

[0054] Embodiment 4

[0055] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 On the basis of embodiment 1, a filter box 801 is slidingly arranged in the base 1, and the inner end of the filter box 801 is detachably connected with the negative pressure device 8.

[0056] The base 1 is provided with a mounting groove 106, the negative pressure device 8 is assembled in the mounting groove 106, one end of the filter box 801 extends into the mounting groove 106 of the base 1 and is in pluggable connection with the negative pressure device 8, and the other end of the filter box 801 is located on the outer side surface of the base 1. The vacuum formed by the negative pressure device 8 is transmitted to the hair suction pipe 9 through the pipeline. The air and pet hair sucked by the hair suction pipe 9 move to the negative pressure device 8 in the pipeline. The pet hair and sundries are filtered by the filter box 801 and remain in the filter box 801, so that the user can take out the filter assembly in the filter box 801 to centrally process the pet hair and sundries. The negative pressure device 8 can adopt a centrifugal fan or a vacuum pump.

[0057] Embodiment 5

[0058] With reference to Figure 3 , Figure 4 , Figure 6 and Figure 10 , on the basis of embodiment 1, the rotating disc driving mechanism comprises a first motor 13, the first motor 13 is fixedly arranged relative to the support 5, and a belt transmission mechanism 14 or a gear transmission mechanism is arranged between the main shaft of the first motor 13 and the first rotating disc 6.

[0059] The first motor 13 is fixed on the support 5, a driving belt pulley is connected to the main shaft of the first motor 13, the first rotating disc 6 serves as a driven belt pulley, and a belt transmission mechanism 14 is formed between the driving belt pulley and the first rotating disc 6. The first motor 13 can drive the first rotating disc 6 to rotate through the belt transmission mechanism 14, so that each scraping comb 7 on the first rotating disc 6 passes through the port of the hair suction pipe 9 in turn.

[0060] Embodiment 6

[0061] With reference to Figure 6 and Figure 8 , on the basis of embodiment 1, the hair combing diameter changing mechanism comprises a second rotating disc 15 and a second motor 16. The second rotating disc 15 is arranged to rotate relative to the first rotating disc 6. A plurality of oblique sliding holes 1501 are arranged on the second rotating disc 15. A guide column 702 is arranged on each scraping comb 7, and the guide column 702 passes through one oblique sliding hole 1501, respectively. The second motor 16 is fixedly arranged relative to the support 5. A driving gear 17 is arranged on the main shaft of the second motor 16. A gear tooth is arranged on the edge of the second rotating disc 15, and the gear tooth is engaged with the driving gear 17.

[0062] The second motor 16 is fixed on the support 5. The main shaft of the second motor 16 is connected with the driving gear 17. The driving gear 17 is engaged with the gear tooth on the second rotating disc 15, so that the second motor 16 can drive the second rotating disc 15 to reciprocatingly rotate by a certain angle. When the second rotating disc 15 rotates, the guide column 702 can be pushed through the oblique sliding hole 1501 to make the scraping comb 7 swing, so as to change the hair combing diameter of each scraping comb 7.

[0063] Embodiment 7

[0064] With reference to Figure 8 On the basis of Embodiment 6, a plurality of circumferential long holes 1502 are arranged on the second rotating disc 15, and a plurality of connecting columns 605 are circumferentially arranged on the first rotating disc 6, each connecting column 605 penetrating one circumferential long hole 1502, so that the second rotating disc 15 can reciprocally rotate relative to the connecting columns 605 on the first rotating disc 6 through the circumferential long holes 1502.

[0065] The plurality of circumferential long holes 1502 on the second rotating disc 15 are arranged on a circular track, and the plurality of connecting columns 605 on the first rotating disc 6 respectively penetrate the circumferential long holes 1502, so that the second rotating disc 15 can reciprocally rotate relative to the first rotating disc 6 by a distance, which is the length of the circumferential long hole 1502.

[0066] Embodiment 8

[0067] With reference to Figure 7 And Figure 8 On the basis of Embodiment 7, a third rotating disc 18 is further included, and the third rotating disc 18 is connected with the first rotating disc 6 through the connecting columns 605.

[0068] One side of the third rotating disc 18 is connected with the first rotating disc 6 through the connecting columns 605, so that the plurality of circumferential long holes 1502 on the second rotating disc 15 cannot axially separate from the connecting columns 605, at the same time, the plurality of swing seat hair scraping combs 7 cannot axially separate from the first rotating disc 6, and the guide columns 702 cannot axially separate from the inclined sliding holes 1501 on the second rotating disc 15, thereby ensuring the stability of the cooperation between the first rotating disc 6, the second rotating disc 15 and the hair scraping combs 7.

[0069] Embodiment 9

[0070] With reference to Figure 12 On the basis of any one of the above embodiments, a controller 19 and an operation panel 20 are further included, three signal output ends of the controller 19 are respectively electrically connected with a rotating disc driving mechanism, a comb hair caliber changing mechanism and the negative pressure device 8, and the controller 19 is bidirectionally signal connected with the operation panel 20.

[0071] The controller 19 is in two-way signal connection with the operation panel 20, three signal output ends of the controller 19 are respectively in electrical connection with the second motor 16 in the combing diameter changing mechanism, the negative pressure device 8 and the first motor 13 in the rotating disc driving mechanism, the combing diameter can be input by the operator through the operation panel 20, the controller 19 can start the second motor 16 to drive the second rotating disc 15 to rotate, so that the plurality of scraping combs 7 move to the position of the combing diameter input by the operator; after the pet cat is combed by the plurality of scraping combs 7 when entering or leaving the litter box, the controller 19 can start the second motor 16 to drive the second rotating disc 15 to rotate, so that the plurality of scraping combs 7 swing outwardly to the first circle port 501 until the comb teeth 701 on the plurality of scraping combs 7 retreat into the scraping holes 602 on the scraping flange 601, so that the cat hair combed by the comb teeth 701 is left on the scraping flange 601; the controller 19 then starts the negative pressure device 8 and simultaneously starts the first motor 13 to drive the first rotating disc 6 to rotate through the belt wheel transmission mechanism 14, so that the scraping flange 601 passes through the port of the hair suction pipe 9 in rotation, and the negative pressure device 8 sucks away the cat hair left on the scraping flange 601 through the hair suction pipe 9. The user can also operate the controller 19 through the operation panel 20, so that the controller 19 starts the air extractor 11 to perform air extraction and exhaust on the litter box.

[0072] Example 10

[0073] Reference Figure 12 On the basis of example 9, further comprising a first pet detection device 21 and a second pet detection device 22, the first pet detection device 21 and the second pet detection device 22 are respectively arranged on the inner side and the outer side of the support 5, the signal output end of the first pet detection device 21 and the signal output end of the second pet detection device 22 are respectively in electrical connection with two signal receiving ends of the controller 19, for detecting whether the pet passes through and moves away from the first circle port 501.

[0074] The first pet detection device 21 can adopt one or more of distance sensor, photoelectric switch and radar, and is arranged on the end surface 23 outside the bracket 5, and is used for detecting whether the pet cat is located near the outside of the litter box; the second pet detection device 22 is arranged inside the bracket 5, and can adopt photoelectric switch, and is used for detecting whether the pet cat is located in the litter box. When the controller 19 detects that the pet cat stays near the end surface 23 of the litter box through the first pet detection device 21, or detects that the pet cat is still in the litter box through the second pet detection device 22, in order to avoid the pet being frightened, the controller 19 does not start the negative pressure device 8, the rotating disc driving mechanism and the combing caliber changing mechanism; when it is detected that the pet cat leaves the litter box and is away from the end surface 23 of the litter box, the controller 19 starts the combing caliber changing mechanism to scrape the pet hair on the combing tooth 701, then controls the rotating disc driving mechanism to drive the first rotating disc 6 to rotate, and simultaneously, the pet hair on the scraping and folding edge 601 is sucked away through the negative pressure device 8.

[0075] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims. The components and structures not described in detail in the present embodiment are the known components and common structures or common means in the industry, which are not described here.

Claims

1. A roller litter box for grooming cats, characterized in that, include: A base (1) is provided with a feces drawer (2) on one side of the base (1); A litter roller (3) is rotatably mounted on the base (1). One end of the litter roller (3) is provided with an inlet (301). A litter opening (302) is provided on the side wall of the litter roller (3). The litter opening (302) corresponds to the feces 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). The inner edge of the first turntable (6) is aligned with the first ring (501). The inner edge of the first turntable (6) is provided with a scraping fold (601). The scraping fold (601) is provided with a plurality of scraping holes (602). A turntable drive mechanism is provided between the first turntable (6) and the bracket (5). Multiple shaving combs (7) are oscillatingly arranged on the first turntable (6). Each shaving comb (7) has a comb tooth (701) on one side of its end. The comb tooth (701) passes through the shaving hole (602) and extends into the first ring (501). A combing diameter changing mechanism is provided between multiple hair-scraping combs (7) for driving the multiple hair-scraping combs (7) to swing. A negative pressure device (8) is provided in the base (1). The inlet of the negative pressure device (8) is connected to a hair suction tube (9). The front end of the hair suction tube (9) extends into the inner side of the first ring (501) and the hair scraping fold (601) and faces the comb teeth (701). A canopy (10) is fastened to the base (1).

2. The combable cat litter box according to claim 1, characterized in that, An exhaust fan (11) is also installed inside the ceiling (10). The exhaust fan (11) has an outlet that leads to the outside of the ceiling (10). An exhaust hose (12) is connected to the outlet of the exhaust fan (11).

3. The combable cat 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 combable cat litter box according to claim 1, characterized in that, A filter box (801) is slidably disposed in the base (1), and the inner end of the filter box (801) is detachably connected to the negative pressure device (8).

5. The combable cat 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).

6. The combable cat litter box according to claim 1, characterized in that, The combing nozzle diameter changing mechanism includes: The second turntable (15) is rotatably arranged relative to the first turntable (6). The second turntable (15) is provided with a plurality of oblique sliding holes (1501). Each of the hair-scraping combs (7) is provided with a guide post (702). The guide post (702) 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 drive gear (17). The edge of the second turntable (15) is provided with gear teeth, which mesh with the drive gear (17).

7. The combable cat litter box according to claim 6, characterized in that, The second turntable (15) is provided with a plurality of circumferential elongated holes (1502), and the first turntable (6) is provided with a plurality of connecting posts (605) distributed circumferentially. Each connecting post (605) passes through one of the circumferential elongated holes (1502), so that the second turntable (15) can reciprocate relative to the connecting post (605) on the first turntable (6) through the circumferential elongated holes (1502).

8. The combable cat litter box according to claim 7, characterized in that, It also includes a third turntable (18), which is connected to the first turntable (6) via multiple connecting posts (605).

9. The combable rolling litter box for cats according to any one of claims 1 to 8, characterized in that, It also includes a controller (19) and an operation panel (20). The three signal output terminals of the controller (19) are electrically connected to the turntable drive mechanism, the combing diameter change mechanism and the negative pressure device (8), respectively. The controller (19) and the operation panel (20) are bidirectionally connected.

10. The combable cat litter box according to claim 9, characterized in that, It also includes a first pet detection device (21) and a second pet detection device (22), which are respectively disposed on the inner and outer sides of the bracket (5). The signal output terminals of the first pet detection device (21) and the second pet detection device (22) are electrically connected to two of the signal receiving terminals of the controller (19) to detect whether the pet passes through or moves away from the first enclosure (501).

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