CN219844474U - Pet cat excrement screening plant - Google Patents

Abstract

The utility model relates to the technical field of pet supplies, and discloses a pet cat excrement screening device, which comprises: a support base; the roller is rotatably arranged on the supporting seat, the rear end of the roller is provided with a waste discharge port, and the front end of the roller is provided with a pet inlet; the screening component is arranged in the roller, and can screen the excrement of the pet cat out of the cat litter and guide the excrement into the waste discharge port in the rolling process of the roller; the roller driving mechanism is in transmission connection with the roller and is used for driving the roller to rotate; and the shell is arranged on the supporting seat and covers the outer periphery of the roller. According to the utility model, the waste discharge port and the pet inlet are respectively arranged at the rear end and the front end of the roller, and relative displacement in the rotation direction does not exist between the waste discharge port and the pet inlet and between the waste discharge port and the shell, so that the safety threat to the pet cat caused by the shearing action between the opening structure of the roller and the shell is fundamentally avoided, the potential safety hazard is eliminated, and the safety is improved.

Description

Pet cat excrement screening plant

Technical Field

The utility model relates to the technical field of pet supplies, in particular to a pet cat excrement screening device.

Background

Along with the continuous improvement of the physical living standard of people, the mental living requirements of people are gradually improved, and more people like to raise pet cats. Many lovers like pet cats, but do not have time to clean up the excrement generated by the pet cats, and a fully automatic pet cat toilet exists in the market. In the existing automatic pet cat litter box, the roller-type automatic pet cat litter box based on the gravity screening principle is more and more popular in the development of similar products due to the high efficiency and stability, convenient maintenance and the like.

Under the prior art, the drum-type automatic pet cat toilet based on the gravity screening principle almost all sets up the excrement export that screens out on the drum lateral wall, relies on the detection of sensor and the algorithm of software to ensure the safety in the pet use, but the probability trouble can necessarily appear in practical application to multiple sensor to cause the pet cat to be in the production of the sudden rotatory phenomenon of cylinder in the lavatory in-process, the drum casing produces shearing action to the pet cat and threatens for the life safety of pet cat, can't accomplish the safety protection in the true sense from this.

There is therefore a need for a pet cat litter screening device that addresses the aforementioned problems.

Disclosure of Invention

Based on the above, the utility model aims to provide the pet cat excrement screening device, wherein the waste outlet and the pet inlet are respectively arranged at the rear end and the front end of the roller, and no relative displacement exists between the waste outlet, the pet inlet and the shell in the rotating direction, so that the safety threat to the pet cat caused by the shearing action between the opening structure of the roller and the shell is fundamentally avoided, the potential safety hazard is eliminated, and the safety is improved.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

providing a pet cat litter screening device comprising:

a support base;

the roller is rotatably arranged on the supporting seat, a waste discharge port is formed in the rear end of the roller, and a pet inlet is formed in the front end of the roller;

a screen assembly mounted within the drum, the screen assembly being capable of screening pet cat fecal matter from cat litter and directing the pet cat fecal matter to the waste outlet during rolling of the drum;

the roller driving mechanism is in transmission connection with the roller and is used for driving the roller to rotate; and

and the shell is arranged on the supporting seat, and the shell covers the outer periphery of the roller.

As an optional technical scheme of pet cat excrement screening plant, the screening subassembly includes screening board, collecting plate and guide plate, the collecting plate with the guide plate all with the exhaust port is connected, the screening board with the collecting plate is connected and is located the collecting plate is close to one side of cylinder week portion, be equipped with sunken curved surface on the collecting plate, one side of guide plate with the collecting plate is the contained angle and is connected and the guide plate is located the collecting plate deviates from one side of sunken curved surface, the guide plate opposite side is connected or the butt with the inner wall of cylinder, the screening board can screen the excrement of pet cat to on the sunken curved surface, just the screening board can screen the cat sand to the screening board with the guide plate deviates from between one side of exhaust port, the guide plate has towards the guide surface of exhaust port spiral bending, the guide surface with sunken curved surface is connected, the guide surface is used for following the cylinder rotates in order to introduce the excrement in the exhaust port.

As an alternative technical scheme of the pet cat excrement screening device, the collecting plate and the guide plate are integrally formed; or the screening plate, the collecting plate and the guide plate are integrally formed.

As an optional technical solution of the pet cat excrement screening device, the guide surface is curved towards the waste discharge port along the extending direction from the peripheral part of the drum to the rotating shaft, and the guide surface is curved towards the waste discharge port along the extending direction from the front end of the drum to the rear end of the drum.

As an optional technical scheme of pet cat excrement screening plant, the screening board pass through pivot structure with the collecting plate rotates to be connected, the screening board can be relative the collecting plate swing, be equipped with a plurality of screening holes on the screening board.

As an alternative solution of the pet cat excrement screening device, the pore diameter of the screening pore is larger than the diameter of the cat litter and smaller than the diameter of the excrement of the pet cat.

As an alternative solution of the pet cat excrement screening device, the screening plate is provided with a wavy concave-convex structure.

As an optional technical scheme of pet cat excrement screening plant, the screening assembly further includes a plugging plate, two sides of the plugging plate are respectively connected with the collecting plate and the guide plate, and the plugging plate is used for plugging a gap between the collecting plate and the guide plate.

As an optional technical scheme of the pet cat excrement screening device, the pet cat excrement screening device further comprises a waste discharge box and a waste discharge channel, wherein the waste discharge box is communicated with the waste discharge port through the waste discharge channel, and the waste discharge box is located right below the roller.

As an optional technical scheme of pet cat excrement screening plant, the one end of cylinder is provided with driven gear, cylinder actuating mechanism includes rotating electrical machines and driving gear, the rotating electrical machines install in the supporting seat, the driving gear with the rotation axis of rotating electrical machines is connected, the driving gear with driven gear meshing transmission is connected.

The beneficial effects of the utility model are as follows:

the pet cat excrement screening device provided by the utility model has the advantages that the waste discharge port is arranged at the rear end of the roller, and the pet inlet is arranged at the front end of the roller. When the drum driving mechanism drives the drum to rotate, the screening assembly screens excrement, the screened excrement is guided to the waste discharge port to be discharged, and the waste discharge port is arranged at the rear end of the drum, the pet inlet is arranged at the front end of the drum, and relative displacement in the rotation direction does not exist between the waste discharge port and the pet inlet as well as between the pet inlet and the shell, so that safety threat to pet cats caused by shearing action between the opening structure of the drum and the shell is fundamentally avoided, even if the drum suddenly rotates by any angle, the pet cats can jump out from the pet inlet, the pet cats cannot be injured, potential safety hazards are eliminated, and safety is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of a partial construction of a pet cat litter screening device provided by the present utility model;

FIG. 2 is a schematic view of the internal structure of the pet cat excrement screening device provided by the utility model;

FIG. 3 is a schematic view of a screen assembly according to the present utility model;

FIG. 4 is a schematic diagram of a second embodiment of a screen assembly provided by the present utility model;

FIG. 5 is a schematic view of the pet cat litter screening device provided by the present utility model with the drum in an initial position;

FIG. 6 is a schematic view of the pet cat litter screen apparatus provided by the present utility model with the drum in the collection position;

fig. 7 is a schematic view of the pet cat excrement screening device provided by the utility model in a state in which the drum is in the waste discharge position.

In the figure:

1. a roller; 11. a waste discharge port; 12. a pet entrance;

2. a screen assembly; 21. a screening plate; 211. screening holes; 212. a boss; 22. a collection plate; 221. a concave curved surface; 23. a deflector; 231. a flow guiding surface; 24. a plugging plate;

3. a waste discharge channel;

4. a waste discharge box;

5. a driven gear;

10. excrement; 20. cat litter.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

The present embodiment provides a pet cat waste screening device for toilet use by pet cats and screening waste 10 from pet cats. As shown in fig. 1-7, the pet cat litter screening device includes a support base (not shown), a drum 1, a screen assembly 2, a drum drive mechanism (not shown), and a housing (not shown). The roller 1 is rotatably arranged on the supporting seat, the rear end of the roller 1 is provided with a waste discharge port 11, and the front end of the roller 1 is provided with a pet inlet 12; the screening assembly 2 is installed in the drum 1, and the screening assembly 2 can screen the excrement 10 of the pet cat out of the cat litter 20 and guide the excrement into the waste discharge port 11 during the rolling process of the drum 1; the roller driving mechanism is in transmission connection with the roller 1 and is used for driving the roller 1 to rotate; the shell is mounted on the supporting seat, and the shell covers the outer periphery of the roller 1.

Specifically, the pet cat excrement screening device provided in this embodiment has the waste discharge port 11 provided at the rear end of the drum 1, and the pet inlet 12 provided at the front end of the drum 1. When the drum driving mechanism drives the drum 1 to rotate, the screening assembly 2 screens the excrement 10, the screened excrement 10 is guided to the waste discharge port 11 to be discharged, and the waste discharge port 11 is arranged at the rear end of the drum 1, the pet inlet 12 is arranged at the front end of the drum 1, and relative displacement in the rotation direction does not exist between the waste discharge port 11 and the pet inlet 12 and the shell, so that the safety threat to the pet cat caused by the shearing action between the opening structure of the drum 1 and the shell is fundamentally avoided, and even if the drum 1 suddenly rotates by any angle, the pet cat can jump out from the pet inlet 12, the pet cat is not damaged, the potential safety hazard is eliminated, and the safety is greatly improved.

Optionally, as shown in fig. 3 and 4, the screening assembly 2 includes a screening plate 21, a collecting plate 22 and a baffle 23, where the collecting plate 22 and the baffle 23 are connected with the waste discharge port 11, the screening plate 21 is connected with the collecting plate 22 and is located at one side of the collecting plate 22 near the circumference of the drum 1, a concave curved surface 221 is disposed on the collecting plate 22, one side of the baffle 23 is connected with the collecting plate 22 at an included angle, and the baffle 23 is located at one side of the collecting plate 22 deviating from the concave curved surface 221, and the other side of the baffle 23 is connected or abutted with the inner wall of the drum 1 to seal the line of cat litter 20 or excrement 10 passing over the baffle 23 along the circumference of the drum 1. The screening plate 21 can screen the excrement 10 of pet cats onto the concave curved surface 221, and the screening plate 21 can screen the cat litter 20 between the collecting plate 22 and one side of the guide plate 23, which is away from the waste discharge port 11, the guide plate 23 is provided with a guide surface 231 which is spirally bent towards the waste discharge port 11, the guide surface 231 is connected with the concave curved surface 221, and the guide surface 231 is used for rotating along with the roller 1 to guide the excrement 10 into the waste discharge port 11.

Further, the screening plate 21 is located between the front and rear end surfaces of the drum 1, the screening plate 21 is arranged in a net plate structure, a plurality of screening holes 211 are formed in the screening plate 21, the diameter of the screening holes 211 is larger than the diameter of the cat litter 20 and smaller than the diameter of the excrement 10 of the pet cat, and therefore the cat litter 20 can freely pass through the screening holes 211 while the excrement 10 of the normal size of the pet cat cannot pass through the screening holes 211.

Preferably, the guide surface 231 is curved toward the waste discharge port 11 in an extending direction from the circumferential portion to the rotation shaft of the drum 1, and the guide surface 231 is curved toward the waste discharge port 11 in an extending direction from the front end to the rear end of the drum 1, so that the excrement 10 can smoothly roll into the waste discharge port 11 from the circumferential portion to the center and from the front end to the rear end.

Specifically, the working principle of the pet cat excrement screening device is as shown in fig. 5-7:

when the pet cat excrement screening device is in the initial position, as shown in fig. 5, and screening of excrement 10 is started, the drum 1 rotates clockwise from the view of the front end and the rear end of the drum 1, the screening assembly 2 rotates along with the drum 1, the screening plate 21 is inserted into the cat litter 20, and the excrement 10 and the cat litter 20 are separated;

as the drum 1 rotates, clean cat litter 20 is filtered between the screening plate 21 and the side of the baffle 23 facing away from the waste discharge port 11, pet cat litter 10 is stirred by the screening plate 21 due to its large volume and gradually rolls down onto the concave curved surface 221 of the collection plate 22 as the screening plate 21 rotates past the horizontal position;

the drum 1 continues to rotate clockwise to the collection position shown in fig. 6, i.e. the left limit position, at which time the clean cat litter 20 has completely entered between the screening plate 21 and the deflector 23, and the excrement 10 rolls down to the inner wall of the drum 1 from the concave curved surface 221 of the collection plate 22 under the action of gravity;

the drum 1 starts to rotate anticlockwise, the excrement 10 gradually falls onto the guide surface 231 of the guide plate 23 from the inner wall of the drum 1 under the action of gravity, and at the moment, the clean cat litter 20 also gradually passes through the screening plate 21 from the opposite direction and returns to the side of the screening plate 21 away from the guide plate 23;

the roller 1 continues to rotate anticlockwise to a waste discharge position as shown in fig. 7, the excrement 10 rolls along the guide surface 231 under the action of gravity to gradually approach the waste discharge port 11 and finally roll out of the waste discharge port 11, and clean cat litter 20 completely passes through the screening plate 21 and returns to the side of the screening plate 21, which is far away from the guide plate 23;

the drum 1 continues to rotate counter-clockwise to the initial position shown in fig. 5, whereto the screening action ends.

In this process, the pet inlet 12 and the waste outlet 11 are always open, and there is no relative displacement in the rotation direction between the waste outlet 11 and the pet inlet 12 and the housing, so that the pet cat can freely go in and out without risk of being cut and pinched.

Preferably, the collection plate 22 is integrally formed with the baffle 23. Preferably, the screening plate 21, the collecting plate 22 and the deflector 23 are integrally formed.

In this embodiment, as shown in fig. 3 and 4, the screening plate 21 is rotatably connected to the collecting plate 22 by a rotation shaft structure, and the screening plate 21 can swing with respect to the collecting plate 22. Specifically, the two ends of the collecting plate 22 are provided with inserting holes, the two ends of the screening plate 21 are inserted into the inserting holes, limiting structures such as limiting blocks are arranged in the inserting holes and used for limiting the rotation angle of the screening plate 21, the screening plate 21 can rotate by a certain angle relative to the collecting plate 22, and the rotation angle is preferably limited to be within 10 degrees. During operation, collecting plate 22 rotates along with cylinder 1 in step, at collecting plate 22 drive screening board 21 pivoted in-process, screening board 21 is relative to collecting plate 22 swing in certain limit, on the one hand can effectively improve screening efficiency, on the other hand can effectively improve the efficiency that the cat litter backward flow was to cylinder 1 bottom after the screening was accomplished.

Preferably, as shown in fig. 3 and 4, the screening plate 21 is provided in a wave-like concave-convex structure, which has a better guiding effect on the screened excrement 10, so that the excrement 10 is more effectively collected in the concave curved surface 221 on the collecting plate 22.

Optionally, the screening assembly 2 further includes a plugging plate 24, two sides of the plugging plate 24 are respectively connected with the collecting plate 22 and the guide plate 23, and the plugging plate 24 is used for plugging a gap between the collecting plate 22 and the guide plate 23, so as to avoid cat litter after screening from being blocked in the gap between the collecting plate 22 and the guide plate 23, and ensure reliability of operation and cleaning convenience of the screening assembly 2.

Optionally, the screening assembly 2 is fixedly connected with the drum 1 by a buckle or a screw, the screening plate 21 in the screening assembly 2 is fixed on the collecting plate 22 by a rotating shaft structure, and the user can conveniently detach the screening plate 21 to clean the screening plate 21 so as to keep the cleaning of the screening plate 21.

Optionally, the body of the screening plate 21 is spaced from the inner wall of the drum 1, and the edge of the screening plate 21 facing the inner wall of the drum 1 is provided with a plurality of protrusions 212 protruding toward the inner wall of the drum 1. On the one hand, the gap is arranged between the body of the screening plate 21 and the inner wall of the roller 1, so that the efficiency of cat litter passing through the screening plate 21 can be improved, and waste caused by the fact that cat litter is stirred by the screening plate 21 and finally enters the waste discharge channel 3 in the screening process is avoided; on the other hand, the provision of the plurality of projections 212 can prevent the strip-shaped excrement 10 from passing through the gap between the screening plate 21 and the inner wall of the drum 1 while ensuring the screening efficiency.

Preferably, screen assemblies 2 are integrally formed and screen assemblies 2 are formed from plastic.

Further, pet cat excrement screening plant still includes waste discharge box 4 and waste discharge passageway 3, communicates through waste discharge passageway 3 between waste discharge box 4 and the waste discharge mouth 11, and waste discharge box 4 is located cylinder 1 under, and waste discharge box 4 sets up to drawer structure, and waste discharge box 4 can dismantle with the supporting seat and be connected, and convenience of customers clears up excrement 10 in the waste discharge box 4.

Optionally, one end of the roller 1 is provided with a driven gear 5, the roller driving mechanism comprises a rotating motor and a driving gear, the rotating motor is mounted on the supporting seat, the driving gear is connected with a rotating shaft of the rotating motor, and the driving gear is in meshed transmission connection with the driven gear 5. In other embodiments, the drum driving mechanism may be a belt driving mechanism, a chain driving mechanism or a worm driving mechanism, and accordingly, a driven pulley, a driven sprocket or a worm wheel is provided at the rear end of the drum 1. The present utility model does not limit the driving manner of the drum 1, and all driving devices capable of driving the drum 1 to rotate are within the scope of the present utility model.

Further, in order to improve the rolling smoothness of the roller 1 on the supporting seat, a plurality of supporting wheels (not shown in the figure) are mounted on the wall of the supporting groove of the supporting seat for accommodating the roller 1, and the plurality of supporting wheels are symmetrically arranged in pairs, and the supporting wheels can freely rotate relative to the supporting seat, so that the rolling smoothness of the roller 1 is improved and the supporting stability of the roller 1 is ensured.

Note that the above is only a preferred embodiment of the present utility model and the technical principle applied. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described 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 utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims (10)

1. The pet cat excrement screening plant, its characterized in that includes:

a support base;

the roller (1) is rotatably arranged on the supporting seat, a waste discharge port (11) is formed in the rear end of the roller (1), and a pet inlet (12) is formed in the front end of the roller (1);

a screening assembly (2) mounted within the drum (1), the screening assembly (2) being capable of screening pet cat faeces (10) from cat litter (20) and leading to the waste outlet (11) during rolling of the drum (1);

the roller driving mechanism is in transmission connection with the roller (1) and is used for driving the roller (1) to rotate; and

and the shell is arranged on the supporting seat, and the shell covers the outer periphery of the roller (1).

2. The pet cat litter screening device according to claim 1, wherein the screening assembly (2) comprises a screening plate (21), a collecting plate (22) and a deflector (23), wherein the collecting plate (22) and the deflector (23) are connected to the waste discharge opening (11), wherein the screening plate (21) is connected to the collecting plate (22) and located at a side of the collecting plate (22) near the periphery of the drum (1), wherein the collecting plate (22) is provided with a concave curved surface (221), wherein one side of the deflector (23) is connected to the collecting plate (22) at an angle and the deflector (23) is located at a side of the collecting plate (22) facing away from the concave curved surface (221), wherein the other side of the deflector (23) is connected to or in abutment with the inner wall of the drum (1), wherein the screening plate (21) is capable of screening litter (10) from pets onto the concave curved surface (221), and wherein the screening plate (21) is capable of screening cat litter (20) onto the curved surface (231) facing away from the waste discharge opening (11), the guide surface (231) is used for rotating along with the roller (1) so as to guide excrement (10) into the waste outlet (11).

3. Pet cat faeces screening device according to claim 2, wherein said collecting plate (22) is integrally formed with said deflector (23); or the screening plate (21), the collecting plate (22) and the guide plate (23) are integrally formed.

4. Pet cat excrement screening device according to claim 2, wherein said guide surface (231) is curved towards said waste outlet (11) along the extension direction of the circumference of said drum (1) to the rotation axis, said guide surface (231) being curved towards said waste outlet (11) along the extension direction of the front end to the rear end of said drum (1).

5. Pet cat excrement screening arrangement according to claim 2, characterized in that the screening plate (21) is rotatably connected with the collecting plate (22) by means of a rotating shaft structure, the screening plate (21) being capable of swinging relative to the collecting plate (22), the screening plate (21) being provided with a plurality of screening holes (211).

6. The pet cat litter screening device of claim 5, wherein the screening holes (211) have a pore size that is larger than the diameter of the litter (20) and smaller than the diameter of the pet cat litter (10).

7. A pet cat waste screening device according to claim 2, wherein the screening plate (21) is provided in a wave-like concave-convex configuration.

8. Pet cat faeces screening device according to claim 2, wherein said screening assembly (2) further comprises a blocking plate (24), both sides of said blocking plate (24) being connected to said collecting plate (22) and said deflector (23), respectively, said blocking plate (24) being adapted to block the gap between said collecting plate (22) and said deflector (23).

9. Pet cat waste screening device according to any of claims 1-8, further comprising a waste box (4) and a waste channel (3), said waste box (4) being in communication with said waste outlet (11) via said waste channel (3), said waste box (4) being located directly below said drum (1).

10. Pet cat excrement screening device according to any of claims 1-8, wherein one end of said drum (1) is provided with a driven gear (5), said drum driving mechanism comprising a rotating motor and a driving gear, said rotating motor being mounted to said support, said driving gear being connected to the rotational shaft of said rotating motor, said driving gear being in meshed driving connection with said driven gear (5).