CN112400706B - Excrement screening device and method - Google Patents
Excrement screening device and method Download PDFInfo
- Publication number
- CN112400706B CN112400706B CN202011354354.8A CN202011354354A CN112400706B CN 112400706 B CN112400706 B CN 112400706B CN 202011354354 A CN202011354354 A CN 202011354354A CN 112400706 B CN112400706 B CN 112400706B
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- screening
- discharge port
- movable door
- excrement
- waste discharge
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- 238000012216 screening Methods 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 title claims abstract description 12
- 241000282326 Felis catus Species 0.000 claims abstract description 77
- 239000002699 waste material Substances 0.000 claims abstract description 69
- 239000000203 mixture Substances 0.000 claims abstract description 49
- 230000005484 gravity Effects 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007873 sieving Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000003608 fece Anatomy 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K1/00—Housing animals; Equipment therefor
- A01K1/01—Removal of dung or urine, e.g. from stables
- A01K1/0107—Cat trays; Dog urinals; Toilets for pets
- A01K1/011—Cat trays; Dog urinals; Toilets for pets with means for removing excrement
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Housing For Livestock And Birds (AREA)
Abstract
The invention relates to the field of pet supplies, and discloses an excrement screening device and method. Excrement screening plant includes rotatable cylinder and sets up the filtering component in the cylinder, be provided with the waste discharge port on the cylinder, filtering component includes dodge gate and screening piece, the dodge gate rotates and sets up on the cylinder, the screening piece encloses with the lateral wall of cylinder and establishes and forms the screening chamber, when the cylinder rotates along first direction, the dodge gate can rotate to the first position of sheltering from the waste discharge port under the promotion of cat litter mixture, so that cat litter mixture commodity circulation to screening intracavity, the dodge gate can also rotate under the action of gravity to open the waste discharge port and with the second position of screening piece butt, excrement in the cat litter mixture is via screening piece screening, and discharge via the waste discharge port along the outer wall of dodge gate. When a pet cat wants to touch the waste discharge port in the roller, the movable door is inevitably pushed to the first position for shielding the waste discharge port, the pet cat cannot touch the waste discharge port easily, and the life danger caused by the fact that the pet cat is clamped is avoided.
Description
Technical Field
The invention relates to the field of pet supplies, in particular to an excrement screening device and method.
Background
As the physical living standard of people is continuously improved and the requirements of mental life are gradually improved, more and more people like to raise pet cats are provided. Although many cat lovers like pet cats, they do not have time to clean up the excrement produced by the pet cats, so that there are special fully-automatic pet cat toilets.
In the existing automatic pet cat toilet, the gravity screening principle based on the roller form is more and more mainstream in the development of similar products due to the reasons of high efficiency, stability, convenience in maintenance and the like, but the shearing mechanism of the automatic pet cat toilet has safety risks for the life safety of pets in the toilet. The gravity screening principle based on the roller form almost needs to rely on the detection of the sensors and the algorithm of software to ensure the safety of the pet in the using process, but the various sensors inevitably have probabilistic faults in practical application and cannot achieve real safety protection, so that the life safety of the cats is threatened.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an excrement screening apparatus and method, which can screen excrement in a cat litter mixture and ensure safety of a pet cat.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an excrement screening plant, includes rotatable cylinder and set up in filtering component in the cylinder, be provided with the mouth of wasting discharge on the cylinder, filtering component includes dodge gate and screening piece, the dodge gate rotate set up in on the cylinder, screening piece with the lateral wall of cylinder encloses and establishes and form the screening chamber, when the cylinder rotated along first direction, the dodge gate can rotate under the promotion of cat litter mixture to sheltering from the first position of the mouth of wasting discharge, so that cat litter mixture commodity circulation extremely the screening intracavity, the dodge gate can also rotate under the action of gravity to open waste discharge mouth and with the second position of screening piece butt, excrement in the cat litter mixture via screening piece screening, and along the outer wall of dodge gate via waste discharge mouth discharges.
In a preferred embodiment of the excrement screening apparatus of the present invention, the screening member includes a screening portion having screening holes, and the cat litter in the cat litter mixture flows back into the drum through the screening holes.
In a preferred embodiment of the excrement sieving device according to the present invention, the sieving holes are formed in a Y-shape.
In the excrement screening device according to the present invention, the screening member further includes a guide portion connected to the screening portion, and the movable door is capable of abutting against the guide portion.
As a preferable embodiment of the excrement screening apparatus according to the present invention, the movable door is provided with a flange, the drum is provided with a groove, and when the movable door is rotated to the first position, the flange is engaged with the groove to form a complete circumferential surface between an inner wall of the movable door and an inner wall of the drum.
As a preferable aspect of the excrement sieving apparatus of the present invention, the groove is located on a side of the waste discharge opening.
In a preferred embodiment of the excrement sorting device according to the present invention, the movable door is mounted to the drum through a rotating shaft.
In a preferred embodiment of the excrement screening apparatus according to the present invention, the movable door has an arc-shaped structure.
As a preferable aspect of the excrement screening device of the present invention, the drum is provided with a pet hole, and the pet hole is provided coaxially with the drum.
An excrement screening method adopting the excrement screening device comprises the following steps:
s1, rotating the roller along a first direction;
s2, the movable door is pushed by the cat litter mixture to rotate to a first position for shielding the waste discharge port;
s3, enabling the cat litter mixture to flow into the screening cavity;
s4, the movable door rotates to a second position which opens the waste discharge port and is abutted with the screening piece under the action of gravity;
s5, screening excrement in the cat litter mixture through a screening piece, and discharging the excrement along the outer wall of the movable door through a waste discharge port;
and S6, rotating the roller to the initial position.
The invention has the beneficial effects that:
according to the excrement screening device and method, when the cat litter mixture in the roller is screened, the roller rotates along the first direction, the cat litter mixture slides along the inner wall of the roller under the action of gravity, the movable door rotates to the first position for shielding the waste discharge port under the pushing of the cat litter mixture, the cat litter mixture flows into the screening cavity, the movable door rotates to the second position for opening the waste discharge port and abutting against the screening piece under the action of gravity, excrement in the cat litter mixture is screened by the screening piece and discharged from the waste discharge port along the outer wall of the movable door, the screening effect is good, and the screening efficiency is high. When a pet cat wants to touch the waste discharge port in the roller, the movable door is inevitably pushed to the first position for shielding the waste discharge port, the pet cat cannot easily touch the waste discharge port, the life danger caused by the fact that the pet cat is clamped is avoided, the safety of the pet cat is ensured from the mechanical structure, and the detection of a sensor and the algorithm of software are not needed to be relied on to ensure the safety of the pet.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic view of a waste screening device according to an embodiment of the present invention, shown in a first view;
FIG. 2 is a schematic view of a waste screening device according to an embodiment of the present invention, shown in a second view;
FIG. 3 is a schematic half-section view of a waste screening device according to an embodiment of the present invention from a first perspective;
FIG. 4 is a schematic half-section view of an excreta screening device provided in an embodiment of the present invention from a third perspective;
FIG. 5 is an exploded schematic view of a waste screening device according to an embodiment of the present invention;
FIG. 6 is a schematic half-section view of an excreta screening device provided in an embodiment of the present invention from a fourth perspective;
FIG. 7 is a schematic structural view of a screening element in an apparatus for screening excrement according to an embodiment of the present invention;
FIG. 8 is a schematic structural view of a movable door in the excrement sieving apparatus according to the embodiment of the present invention;
FIG. 9 is a first schematic diagram illustrating a screening principle of an excrement screening device according to an embodiment of the present invention;
FIG. 10 is a second schematic view of the screening principle of the excrement screening device according to the embodiment of the present invention;
FIG. 11 is a third schematic diagram illustrating a screening principle of an excrement screening device according to an embodiment of the present invention;
FIG. 12 is a fourth schematic view illustrating the screening principle of the excrement screening device according to the embodiment of the present invention;
FIG. 13 is a schematic diagram showing the screening principle of the excrement screening device according to the embodiment of the present invention;
fig. 14 is a sixth schematic view illustrating a screening principle of the excrement screening device according to the embodiment of the present invention.
In the figure:
1-a roller; 2-a filtration module; 3, discharging waste boxes;
11-a waste discharge port; 12-pet mouth; 13-a first gear; 14-a second gear;
21-a movable door; 22-screening element;
211-a flange; 212-a rotating shaft;
221-sieving; 2211-sieving holes; 222-a guide;
100-excreta; 200-cat litter.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and encompass, for example, both fixed and removable connections unless otherwise explicitly stated or limited; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 8, the present embodiment provides an excreta screening device, which can be used for excreting pet cats, the excrement screening device comprises a rotatable roller 1 and a filtering component 2 arranged in the roller 1, wherein a waste discharge port 11 is arranged on the roller 1, the filtering component 2 comprises a movable door 21 and a screening part 22, the movable door 21 is rotatably arranged on the roller 1, the screening part 22 and the side wall of the roller 1 are enclosed to form a screening cavity, when the roller 1 rotates along a first direction, the movable door 21 can be rotated to a first position blocking the waste discharge port 11 by the push of the litter mixture, so that cat litter mixture commodity circulation to screening intracavity, dodge gate 21 can also rotate under the action of gravity to the second position of opening waste discharge port 11 and with screening 22 butt, and excrement 100 in the cat litter mixture is via screening 22 to discharge via waste discharge port 11 along the outer wall of dodge gate 21. In this embodiment, the excrement 100 may be stained with a certain amount of the litter 200.
When screening the cat litter mixture in the cylinder 1, rotate cylinder 1 along first direction, the cat litter mixture slides along cylinder 1's inner wall under the action of gravity, dodge gate 21 rotates to the first position of sheltering from waste discharge port 11 under the promotion of cat litter mixture, cat litter mixture flows to the screening intracavity, dodge gate 21 rotates to the second position of opening waste discharge port 11 and with screening 22 butt under the action of gravity, excrement 100 in the cat litter mixture sieves through screening 22, and discharge through waste discharge port 11 along the outer wall of dodge gate 21, it is effectual to sieve, and screening efficiency is high. When a pet cat wants to reach the waste discharge port 11 in the roller 1, the movable door 21 is inevitably pushed to the first position for shielding the waste discharge port 11, the pet cat cannot easily reach the waste discharge port 11, the life danger caused by the pet cat being blocked is avoided, the safety of the pet cat is ensured from the mechanical structure, and the detection of a sensor and the algorithm of software are not required to be relied on to ensure the safety of the pet.
Optionally, the screening member 22 comprises a screening portion 221, the screening portion 221 is provided with a screening hole 2211, and the cat litter 200 in the cat litter mixture flows back into the drum 1 through the screening hole 2211. The screening aperture 2211 is slightly larger than the litter 200 to facilitate filtering the litter 200 in the litter mixture and to retain the waste 100 in the litter mixture within the screening chamber. Optionally, the screening holes 2211 are Y-shaped, and a plurality of screening holes 2211 can be arranged, so that the screening efficiency is improved.
To facilitate the introduction of the excrement 100 into the outer wall of the movable door 21, the sifting member 22 may further include a guide portion 222 connected to the sifting portion 221, and the movable door 21 may abut against the guide portion 222. In order to reduce the flow resistance of the cat litter mixture between the inner wall of the drum 1 and the inner wall of the movable door 21, optionally, a flange 211 is provided on the movable door 21, a groove is provided on the drum 1, and when the movable door 21 rotates to the first position, the flange 211 is matched with the groove, so that the inner wall of the movable door 21 and the inner wall of the drum 1 form a complete circumferential surface. Alternatively, the recess is located on the side of the waste port 11, and the flange 211 on the movable door 21 fits snugly into the recess on the side of the waste port 11 when the movable door 21 is rotated to the first position.
Alternatively, the movable door 21 is mounted on the drum 1 through a rotating shaft 212. In this embodiment, two circular grooves are spaced apart from each other on the drum 1, two ends of the rotating shaft 212 are rotatably disposed in the two circular grooves, respectively, and the rotating shaft 212 is fixedly connected to one side of the movable door 21. To accommodate the shape of the drum 1, the movable door 21 is optionally of an arc-like configuration.
In order to facilitate the entrance and exit of the pet cat, optionally, a pet opening 12 is formed in the roller 1, the pet opening 12 is coaxial with the roller 1, the pet opening 12 is formed in one side of the roller 1, and in the rotating process of the roller 1, the pet opening 12 is always kept unchanged, so that the entrance and exit of the pet cat are prevented from being injured.
Optionally, the excrement screening plant further comprises a supporting seat, a driven wheel is arranged on the supporting seat, and the roller 1 is arranged on the driven wheel. The driven wheel can be provided with a plurality of wheels to support the roller 1, and meanwhile, the rotation fluency of the roller 1 is ensured.
In order to facilitate collection of the excrement 100 discharged through the waste discharge port 11, the excrement sorting apparatus may further include a waste discharge box 3, and the waste discharge box 3 may be detachably mounted on the support base. The waste discharging box 3 can be detachably mounted in a buckling connection mode, so that a user can conveniently and rapidly clean the excrement 100 in the waste discharging box 3 in time.
To realize automatic screening, the excrement screening device optionally further comprises a driving mechanism, and the driving mechanism drives the roller 1 to rotate through gear transmission. The accuracy and stability of the rotation of the roller 1 can be improved by adopting a gear transmission mode. In this embodiment, a first gear 13 is provided on one side of the drum 1, and the driving mechanism is engaged with the first gear 13 through a second gear 14 to drive the drum 1 to rotate.
In the excrement screening device provided by the embodiment, when the cat litter mixture in the drum 1 is screened, as shown in fig. 9, the drum 1 is at the initial position, at which the movable door 21 is at the second position, the movable door 21 abuts against the guide portion 222 of the screening member 22, the drum 1 is rotated in the first direction (counterclockwise direction) to the position shown in fig. 10, the cat litter mixture slides along the inner wall of the drum 1 under the action of gravity, the movable door 21 is rotated to the first position blocking the waste discharge port 11 under the pushing of the cat litter mixture, the cat litter mixture flows into the screening chamber, the drum 1 is continuously rotated in the first direction (counterclockwise direction) to the position shown in fig. 11, the excrement 100 in the cat litter mixture remains in the screening chamber, the cat litter 200 in the cat litter mixture is filtered to the bottom of the drum 1 through the screening holes 2211 of the screening portion 221 of the screening member 22, and the drum 1 is continuously rotated in the first direction (counterclockwise direction) to the position shown in fig. 12, the movable door 21 rotates to a second position where the waste discharge port 11 is opened and the movable door abuts against the screening member 22 under the action of gravity, the drum 1 continues to rotate to a position shown in fig. 13 along the first direction (counterclockwise direction), excrement 100 in the screening cavity slides to the outer wall of the movable door 21 through the guide portion 222 and is discharged through the waste discharge port 11, the drum 1 rotates to an initial position shown in fig. 14, cat litter 200 is accumulated at the bottom of the drum 1, and screening work is completed.
The embodiment also provides an excrement screening method, which adopts the excrement screening device and comprises the following steps:
s1, the roller 1 rotates along a first direction;
s2, the movable door 21 is pushed by the cat litter mixture to rotate to a first position for shielding the waste discharge port 11;
s3, enabling the cat litter mixture to flow into the screening cavity;
s4, the movable door 21 rotates to a second position which opens the waste discharge port 11 and is abutted with the screening member 22 under the action of gravity;
s5, screening excrement 100 in the cat litter mixture through the screening piece 22, and discharging the excrement through the waste discharge port 11 along the outer wall of the movable door 21;
s6, the drum 1 rotates to the initial position.
The excrement screening method that this embodiment provided, when screening the cat litter mixture in the cylinder 1, rotate cylinder 1 along first direction, the cat litter mixture slides along the inner wall of cylinder 1 under the action of gravity, dodge gate 21 rotates to the first position that shelters from waste discharge port 11 under the promotion of cat litter mixture, cat litter mixture flows to the screening intracavity, dodge gate 21 rotates to the second position of opening waste discharge port 11 and with screening 22 butt under the action of gravity, excrement 100 in the cat litter mixture sieves via screening 22, and discharge via waste discharge port 11 along the outer wall of dodge gate 21, it is effectual to sieve, screening efficiency is high. When a pet cat wants to reach the waste discharge port 11 in the roller 1, the movable door 21 is inevitably pushed to the first position for shielding the waste discharge port 11, the pet cat cannot easily reach the waste discharge port 11, the life danger caused by the fact that the pet cat is clamped is avoided, the safety of the pet cat is ensured on the mechanical structure, and the detection of a sensor and the algorithm of software are not needed to be relied on to ensure the safety of the pet cat.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (8)
1. The excrement screening device is characterized by comprising a rotatable roller (1) and a filtering assembly (2) arranged in the roller (1), wherein a waste discharge port (11) is formed in the roller (1), the filtering assembly (2) comprises a movable door (21) and a screening piece (22), the movable door (21) is rotatably arranged on the roller (1), the screening piece (22) and the side wall of the roller (1) are surrounded to form a screening cavity, when the roller (1) rotates along a first direction, the movable door (21) can rotate under the pushing of a cat litter mixture to a first position for shielding the waste discharge port (11) so that the cat litter mixture flows to the screening cavity, the movable door (21) can also rotate under the action of gravity to a second position for opening the waste discharge port (11) and abutting against the screening piece (22), excrement (100) in the cat litter mixture is screened by the screening piece (22) and discharged along the outer wall of the movable door (21) through the waste discharge port (11);
the screening piece (22) comprises a screening part (221), a screening hole (2211) is arranged on the screening part (221), and the cat litter (200) in the cat litter mixture flows back into the drum (1) through the screening hole (2211);
the sifter (22) further includes a guide portion (222) connected to the sifter (221), and the shutter (21) can abut against the guide portion (222).
2. A waste screening device according to claim 1, wherein the screening holes (2211) are Y-shaped.
3. A waste screening device according to claim 1, wherein said movable door (21) is provided with a flange (211) and said drum (1) is provided with a groove, said flange (211) cooperating with said groove when said movable door (21) is rotated to the first position, so that the inner wall of said movable door (21) and the inner wall of said drum (1) form a complete circumferential surface.
4. A waste screening device according to claim 3, wherein said grooves are located on the side of said waste outlet (11).
5. A waste screening device according to claim 1, wherein said movable door (21) is mounted on said drum (1) by means of a rotating shaft (212).
6. A waste screening device according to claim 1, wherein said movable door (21) is of an arc-like configuration.
7. A waste screening device according to claim 1, wherein said drum (1) is provided with a pet aperture (12), said pet aperture (12) being arranged coaxially with said drum (1).
8. A method for screening excrement, which comprises the steps of using the excrement screening apparatus according to any one of claims 1 to 7, comprising:
s1, the roller (1) rotates along a first direction;
s2, the movable door (21) is pushed by the cat litter mixture to rotate to a first position for shielding the waste discharge port (11);
s3, allowing the cat litter mixture to flow into a screening cavity;
s4, the movable door (21) rotates to a second position which opens the waste discharge port (11) and is abutted with the screening piece (22) under the action of gravity;
s5, screening excrement (100) in the cat litter mixture through a screening piece (22) and discharging the excrement along the outer wall of the movable door (21) through a waste discharge port (11);
s6, the roller (1) rotates to the initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011354354.8A CN112400706B (en) | 2020-11-26 | 2020-11-26 | Excrement screening device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011354354.8A CN112400706B (en) | 2020-11-26 | 2020-11-26 | Excrement screening device and method |
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| Publication Number | Publication Date |
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| CN112400706A CN112400706A (en) | 2021-02-26 |
| CN112400706B true CN112400706B (en) | 2022-07-19 |
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| CN202011354354.8A Active CN112400706B (en) | 2020-11-26 | 2020-11-26 | Excrement screening device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN216452516U (en) * | 2021-08-25 | 2022-05-10 | 浙江美新宠物科技有限公司 | Cat litter box |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7647889B2 (en) * | 2005-10-20 | 2010-01-19 | Jerry Horanoff | Apparatus for a litter box |
| US20080017123A1 (en) * | 2006-07-24 | 2008-01-24 | Bryan Nicholas Chin | Pet box with rotational litter sifting screen and disposal receptacle |
| US20150327508A1 (en) * | 2014-05-16 | 2015-11-19 | Hilbert Maddox | Kitty Katch Cat Litter Box |
| US10231431B1 (en) * | 2017-10-20 | 2019-03-19 | Bruce Keith Turner | Self-cleaning litter box |
| CN109122337A (en) * | 2018-08-13 | 2019-01-04 | 上海乐宠信息科技有限公司 | Full-automatic antibacterial and deodouring cat lavatory |
| CN110338074A (en) * | 2019-08-14 | 2019-10-18 | 南京荟学智能科技有限公司 | A kind of pet excrement separator and separation method |
| CN111837972A (en) * | 2019-08-29 | 2020-10-30 | 小佩网络科技（上海）有限公司 | Excrement screening device and method |
| CN111296303A (en) * | 2020-04-23 | 2020-06-19 | 上海拓牛智能科技有限公司 | Cat litter basin capable of automatically clearing excrement |
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