CN115918552A - Pet cat excrement screening plant - Google Patents

Abstract

The invention relates to the technical field of pet supplies, and discloses a pet cat excrement screening device, which comprises: a supporting seat; the rotary drum is rotatably arranged on the supporting seat, the rear end of the rotary drum is provided with a waste discharge port, and the front end of the rotary drum is provided with a pet inlet; the screening component is arranged in the roller and can screen out excrement of the pet cat from 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 a housing mounted on the support base and covering the outer periphery of the drum. The waste discharge port and the pet inlet are respectively arranged at the rear end and the front end of the rotary drum, and the relative displacement in the rotating direction does not exist between the waste discharge port and the shell, so that the safety threat of the shearing action between the opening structure of the rotary drum and the shell to the pet cat is fundamentally avoided, the potential safety hazard is eliminated, and the safety is improved.

Description

Pet cat excrement screening plant

Technical Field

The invention 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 requirements of the mental life of people are gradually improved, and more people like feeding pet cats are provided. Many cat lovers, although having a high preference for pet cats, do not have the time to clean up the excrement produced by pet cats, and for this reason, fully automatic pet cat toilets exist on the market. Among the existing automatic pet cat toilets, the drum-type automatic pet cat toilet based on the gravity screening principle increasingly occupies the mainstream in the development of similar products due to the reasons of high efficiency, stability, convenience in maintenance and the like.

Under the prior art, the automatic pet cat lavatory of drum-type based on gravity screening principle almost all sets up the excrement export of screening on the cylinder lateral wall, rely on the algorithm of the detection of sensor and software to ensure the safety in the pet use, but the fault of probability can certainly appear in practical application to multiple sensor to cause the pet cat in like the production of the sudden rotation phenomenon of lavatory in-process cylinder, the cylinder casing produces the shearing action and brings the threat for the life safety of pet cat to the pet cat, can't accomplish the safety protection in the true sense from this.

Therefore, there is a need for a pet cat excrement screening device to solve the above technical problems.

Disclosure of Invention

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

In order to achieve the purpose, the invention adopts the following technical scheme:

providing a pet cat waste screening device comprising:

a supporting seat;

the rotary drum is rotatably arranged on the supporting seat, the rear end of the rotary drum is provided with a waste discharge port, and the front end of the rotary drum is provided with a pet inlet;

the screening component is arranged in the roller and can screen out excrement of the pet cat from 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

and a housing mounted to the support base, the housing being covered on an outer circumferential portion of the drum.

As pet cat excrement screening plant's an optional technical scheme, screening subassembly includes screening board, collecting plate and guide plate, the collecting plate with the guide plate all with the mouth of wasting discharge 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 connects just the guide plate is located the collecting plate is kept away 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 be sieved pet cat's excrement and arrive on the sunken curved surface, just the screening board can sieve the cat sand and arrive the screening board with the guide plate deviates from between the one side of the mouth of wasting discharge, the guide plate has the orientation waste discharge mouth spiral bend's water conservancy diversion face, the water conservancy diversion face with sunken curved surface is connected, the water conservancy diversion face is used for along with the cylinder rotates in order to channel into the mouth of wasting discharge excrement the waste discharge.

As an optional technical solution of the pet cat excrement screening device, the collecting plate and the flow 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 diversion surface is curved toward the waste discharge port along an extending direction from a peripheral portion of the drum to the rotating shaft, and the diversion surface is curved toward the waste discharge port along an extending direction from a front end to a rear end of the drum.

As an optional technical scheme of pet cat excrement screening plant, the screening board through the 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 optional technical scheme of the pet cat excrement screening device, the pore size of the screening pores is larger than the diameter of the cat litter and smaller than the diameter of the excrement of the pet cat.

As an optional technical scheme of the pet cat excrement screening device, the screening plate is arranged in a wavy concave-convex structure.

As an optional technical scheme of pet cat excrement screening plant, the screening subassembly still includes the shutoff board, the both sides of shutoff board respectively with the collecting plate with the guide plate is connected, the shutoff board is used for the shutoff the collecting plate with the space between the guide plate.

As an optional technical scheme of pet cat excrement screening plant, pet cat excrement screening plant still includes waste discharge box and waste discharge channel, waste discharge box with pass through between the waste discharge opening waste discharge channel intercommunication, waste discharge box is located under the cylinder.

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 invention are as follows:

the pet cat excrement screening device provided by the invention has the advantages that the waste discharge port is formed in the rear end of the rotary drum, and the pet inlet is formed in the front end of the rotary drum. When cylinder actuating mechanism drives the cylinder rotatory, screening subassembly sieves the excrement, excrement water conservancy diversion that will sieve out is discharged to the exhaust outlet, because the rear end of cylinder is located to the exhaust outlet, and the front end of cylinder is located to the pet entry, do not all have the ascending relative displacement of direction of rotation between exhaust outlet and the pet entry and the shell, fundamentally avoids the security threat that the shearing action between the open structure of cylinder and the shell brought the pet cat with this, even the cylinder rotates arbitrary angle suddenly, the pet cat also can be followed the pet entry and jumped out, can not injure the pet cat, the potential safety hazard has been eliminated, the security improves greatly.

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 partial structure of a pet cat excrement screening device provided by the present invention;

FIG. 2 is a schematic view showing the internal structure of the pet cat excrement screening device provided by the present invention;

FIG. 3 is a first schematic diagram of a screen assembly according to the present invention;

FIG. 4 is a schematic illustration of a second screen assembly according to the present invention;

fig. 5 is a schematic view showing a state in which a drum is in an initial position in a pet cat excrement screening device according to the present invention;

FIG. 6 is a schematic view of the pet cat waste screening device of the present invention with the drum in the collection position;

fig. 7 is a schematic view showing a state of the pet cat excrement screening device provided by the present invention when the drum is in the waste position.

In the figure:

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

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

3. a waste discharge channel;

4. discharging a waste box;

5. a driven gear;

10. (ii) fecal matter; 20. and (4) 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

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

Specifically, the pet cat excrement screening device provided by the 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 cylinder actuating mechanism drives cylinder 1 rotatory, screening subassembly 2 sieves excrement 10, excrement 10 water conservancy diversion that will sieve out is discharged to exhaust port 11, because exhaust port 11 locates the rear end of cylinder 1, and pet entry 12 locates the front end of cylinder 1, there is not the relative displacement on the direction of rotation between exhaust port 11 and the pet entry 12 and the shell, fundamentally avoids the shearing action between the opening structure of cylinder 1 and the shell to the security threat that the pet cat brought, even cylinder 1 rotates arbitrary angle suddenly, the pet cat also can jump out from pet entry 12, can not harm the pet cat, the potential safety hazard has been eliminated, the security improves the security greatly.

Optionally, as shown in fig. 3 and 4, the screening assembly 2 includes a screening plate 21, a collecting plate 22 and a flow guide plate 23, the collecting plate 22 and the flow guide plate 23 are both connected to the waste discharge port 11, the screening plate 21 is connected to the collecting plate 22 and located on one side of the collecting plate 22 close to the periphery of the drum 1, a concave curved surface 221 is provided on the collecting plate 22, one side of the flow guide plate 23 is connected to the collecting plate 22 at an included angle, the flow guide plate 23 is located on one side of the collecting plate 22 away from the concave curved surface 221, and the other side of the flow guide plate 23 is connected to or abutted against the inner wall of the drum 1 to block a line on which the cat litter 20 or the excrement 10 crosses the flow guide plate 23 along the circumferential direction of the drum 1. Screening board 21 can sieve pet cat's excrement 10 on sunken curved surface 221, and screening board 21 can sieve cat litter 20 between collection plate 22 and the one side that guide plate 23 deviates from waste discharge opening 11, and guide plate 23 has the water conservancy diversion face 231 towards waste discharge opening 11 spiral bending, and water conservancy diversion face 231 is connected with sunken curved surface 221, and water conservancy diversion face 231 is used for rotating with cylinder 1 in order to leading-in excrement 10 to waste discharge opening 11.

Further, the screening plate 21 is located between the front end face and the rear end face of the roller 1, the screening plate 21 is of a net plate structure, a plurality of screening holes 211 are formed in the screening plate 21, and the aperture of each screening hole 211 is larger than the diameter of the cat litter 20 and smaller than the diameter of the excrement 10 of the pet cat, so that the cat litter 20 can freely pass through the screening holes 211 and the excrement 10 of the pet cat with the normal volume size cannot pass through the screening holes 211.

Preferably, the diversion surface 231 is curved toward the waste discharge port 11 along an extending direction from the circumferential portion of the drum 1 to the rotation axis, and the diversion surface 231 is curved toward the waste discharge port 11 along an extending direction from the front end to the rear end of the drum 1, so that the excreta 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 shown in figures 5-7:

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

with the rotation of the roller 1, clean cat litter 20 is filtered between the screening plate 21 and one side of the guide plate 23 away from the waste discharge port 11, and the excrement 10 of pet cats is stirred by the screening plate 21 due to large volume and gradually rolls down onto the concave curved surface 221 of the collection plate 22 with the rotation of the screening plate 21 through the horizontal position;

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

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

the drum 1 continues to rotate counterclockwise to the waste discharge position shown in fig. 7, the excrement 10 rolls along the flow guide surface 231 under the action of gravity to gradually approach the waste discharge port 11 and finally rolls out of the waste discharge port 11, and the clean cat litter 20 completely passes through the sieving plate 21 and returns to one side of the sieving plate 21 away from the flow guide plate 23;

the drum 1 continues to rotate anticlockwise to the initial position shown in figure 5, at which point the screening action is finished.

In the process, the pet inlet 12 and the waste discharge port 11 are always opened, relative displacement in the rotating direction does not exist between the waste discharge port 11 and the pet inlet 12 as well as between the waste discharge port and the shell, and the pet cat can freely come in and go out without the risk of being cut and injured by a clip.

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

In the present embodiment, as shown in fig. 3 and 4, the sieving plate 21 is rotatably connected to the collecting plate 22 by a rotating shaft structure, and the sieving plate 21 can swing relative to the collecting plate 22. Specifically, the both ends of collecting plate 22 are provided with the jack, and the both ends of screening board 21 are pegged graft in the jack, are provided with limit structure such as stopper in the jack for inject screening board 21's turned angle, screening board 21 can be rotatory certain angle relative collecting plate 22, and its turned angle is preferred to be restricted within 10. During operation, collecting plate 22 rotates along with cylinder 1 is synchronous, drives screening plate 21 pivoted in-process at collecting plate 22, and screening plate 21 swings at the certain extent relative collecting plate 22, can effectively improve screening efficiency on the one hand, and on the other hand can effectively improve the efficiency of cat litter backward flow to cylinder 1 bottom after the screening.

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

Optionally, screen assembly 2 still includes shutoff board 24, and the both sides of shutoff board 24 are connected with collecting plate 22 and guide plate 23 respectively, and shutoff board 24 is used for the space between shutoff collecting plate 22 and the guide plate 23 to avoid the cat litter card after being sieved the space between collecting plate 22 and guide plate 23, guarantee the reliability of operation and the clean convenience of screen assembly 2.

Optionally, screening subassembly 2 passes through buckle or screw fixed connection with cylinder 1, and screening board 21 among the screening subassembly 2 is fixed in collecting plate 22 through the pivot structure on, and the user can be convenient dismantles screening board 21, washs screening board 21 in order to keep it clean.

Optionally, the body of the screening plate 21 and the inner wall of the drum 1 are arranged at intervals, and a plurality of spaced protruding portions 212 protruding towards the inner wall of the drum 1 are arranged at the edge of the screening plate 21 facing the inner wall of the drum 1. On one hand, a gap is formed 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 the 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 arrangement of the plurality of protrusions 212 can prevent the strip-shaped excrement 10 from passing through the gap between the sieving plate 21 and the inner wall of the drum 1 while ensuring the sieving efficiency.

Preferably, screen assemblies 2 are integrally formed and screen assemblies 2 are made of plastic.

Further, pet cat excrement screening plant still includes waste discharge box 4 and waste discharge channel 3, through waste discharge channel 3 intercommunication between waste discharge box 4 and the waste discharge port 11, waste discharge box 4 is located cylinder 1 under, waste discharge box 4 sets up to the drawer structure, and waste discharge box 4 can be dismantled 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 installed on the supporting seat, the driving gear is connected with a rotating shaft of the rotating motor, and the driving gear is in meshing transmission connection with the driven gear 5. In other embodiments, the drum driving mechanism may also be a belt driving mechanism, a chain driving mechanism or a worm driving mechanism, and accordingly, a driven pulley, a driven sprocket or a turbine is provided at the rear end of the drum 1. The present invention is not limited to the driving manner of the drum 1, and all driving devices capable of driving the drum 1 to rotate fall within the protection scope of the present invention.

Further, in order to improve the smoothness of the rolling 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, the supporting wheels are arranged in pairs and symmetrically, and the supporting wheels can rotate freely relative to the supporting seat, so as to ensure the stable support of the roller 1 while improving the smoothness of the rolling of the roller 1.

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 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 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 (10)

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

a supporting seat;

the rotary drum (1) is rotatably arranged on the supporting seat, the rear end of the rotary drum (1) is provided with a waste discharge port (11), and the front end of the rotary drum (1) is provided with a pet inlet (12);

the screening assembly (2) is arranged in the roller (1), and during the rolling process of the roller (1), 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);

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

and a housing which is attached to the support base and which covers the outer periphery of the drum (1).

2. The pet cat excrement screening device according to claim 1, wherein the screening assembly (2) comprises a screening plate (21), a collecting plate (22) and a flow guide plate (23), the collecting plate (22) and the flow guide plate (23) are connected with the waste discharge opening (11), the screening plate (21) is connected with the collecting plate (22) and located at one side of the collecting plate (22) close to the periphery of the drum (1), a concave curved surface (221) is arranged on the collecting plate (22), one side of the flow guide plate (23) is connected with the collecting plate (22) at an included angle, the flow guide plate (23) is located at one side of the collecting plate (22) departing from the concave curved surface (221), the other side of the flow guide plate (23) is connected with or abutted against the inner wall of the drum (1), the screening plate (21) can screen the pet cat excrement (10) onto the concave curved surface (221), and the screening plate (21) can screen the cat excrement (20) onto one side of the screening plate (21) and the waste discharge opening (23) facing away from the spiral waste discharge opening (11), and the spiral curved surface (231) is provided with the waste discharge opening (11), the flow guide surface (231) is used for rotating along with the roller (1) so as to guide excrement (10) into the waste discharge opening (11).

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

4. A pet cat excrement screening device according to claim 2, wherein the guide surface (231) is curved toward the waste discharge port (11) in an extending direction from a circumferential portion of the drum (1) to a rotation axis, and the guide surface (231) is curved toward the waste discharge port (11) in an extending direction from a front end to a rear end of the drum (1).

5. The pet cat excrement screening device according to claim 2, wherein the screening plate (21) is rotatably connected with the collecting plate (22) through a rotating shaft structure, the screening plate (21) can swing relative to the collecting plate (22), and a plurality of screening holes (211) are formed in the screening plate (21).

6. A pet cat excrement screening device according to claim 5, wherein the size of said screening holes (211) is larger than the diameter of cat litter (20) and smaller than the diameter of pet cat excrement (10).

7. A pet cat excrement screening device according to claim 2, wherein said screening plate (21) is provided in a wave-like concavo-convex structure.

8. A pet cat waste screening device according to claim 2, wherein the screen assembly (2) further comprises a closure plate (24), the closure plate (24) being connected on both sides to the collection plate (22) and the deflector plate (23), respectively, the closure plate (24) being adapted to close the gap between the collection plate (22) and the deflector plate (23).

9. A pet cat excrement screening device according to any one of claims 1 to 8, wherein the pet cat excrement screening device further comprises a waste discharge box (4) and a waste discharge channel (3), the waste discharge box (4) is communicated with the waste discharge port (11) through the waste discharge channel (3), and the waste discharge box (4) is located right below the drum (1).

10. A pet cat excrement screening device according to any one of claims 1 to 8, wherein a driven gear (5) is provided at one end of the drum (1), the drum driving mechanism comprises a rotating motor and a driving gear, the rotating motor is mounted on the supporting base, the driving gear is connected with a rotating shaft of the rotating motor, and the driving gear is in meshing transmission connection with the driven gear (5).

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