CN210124197U

CN210124197U - Straight barrel type pet toilet capable of automatically screening sand and removing feces

Info

Publication number: CN210124197U
Application number: CN201920855336.4U
Authority: CN
Inventors: 张芝铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-09
Filing date: 2019-06-09
Publication date: 2020-03-06
Anticipated expiration: 2029-06-09

Abstract

The utility model provides a straight barrel type pet toilet capable of automatically screening sand and removing feces, which comprises a shell and a core sand screening device, wherein the shell comprises a coaming, a top plate and a first bottom plate, the middle part of the top plate is provided with a middle hole, an inner container is arranged inside the middle hole, the concentric shaft position of the middle hole is provided with the core sand screening device, the core sand screening device consists of an outer sand basin, a non-return cylinder, a sand screening cylinder main body and a lifting cylinder, the sand screening cylinder main body consists of a fine mesh sand hole, a feces outlet and a cylinder wall, the top end of the core sand screening device is provided with a top net-shaped clapboard, the toilet is communicated with the staggered movement of the sand screening cylinder main body, the outer sand basin and the lifting cylinder, when in actual use, the fine sand and the feces can be respectively separated through the fine mesh sand outlet and the feces outlet, the feces screening treatment can be effectively carried out, the automatic operation is more convenient, the feces can be automatically cleaned through, and excrement and urine screening treatment is carried out through the rotation, and blockage is prevented.

Description

Straight barrel type pet toilet capable of automatically screening sand and removing feces

Technical Field

The utility model relates to a pet apparatus technical field, concretely relates to but straight cylinder lavatory for pet of excrement is removed to automatic sand screening.

Background

Along with the improvement of modern living standard, most people improve the interest in their lives by raising pets in lives, but the feces discharged by the pets need to be treated, wherein most of the pets are manually added with sand into a sand basin and manually cleaned, so that the fully-automatic cat toilet is provided, the fully-automatic toilet replaces people to scoop cat feces, and meanwhile, the feces discharged by the pet cats are prevented from polluting the health of the homes to a certain extent, but the existing toilets for pets in the market have the following defects,

the existing toilet for pets can not effectively screen and remove excrement automatically, but cleans the excrement manually or by a shovel, is not sanitary, and is easy to mix with sand, so that a large amount of sand is wasted, the efficiency is low, and the cleaning difficulty is high; when the prior pet toilet is used for screening sand, the sand needs to be screened manually; but also can not effectively separate the excrement from the sand, can not treat the excrement, can not automatically discharge and clean the excrement, and can not flush the whole toilet.

Therefore, a straight barrel type pet toilet capable of automatically screening sand and removing feces is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can sieve the straight cylinder type pet of excrement and remove with the lavatory automatically in order to solve above-mentioned problem.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a straight barrel type pet toilet capable of automatically screening sand and removing feces, which comprises a shell and a core sand screening device, wherein the shell comprises a coaming, a top plate and a first bottom plate, the middle part of the top plate is provided with a middle hole, the inner container is arranged inside the middle hole, the core sand screening device is arranged at the position of a concentric shaft of the middle hole, the core sand screening device consists of an outer sand basin, a non-return cylinder, a sand screening cylinder main body and a lifting cylinder, the sand screening cylinder main body consists of a fine mesh screen sand hole, a feces outlet and a cylinder wall, the top end of the core sand screening device is provided with a top mesh clapboard, the outer sand basin is arranged at the bottom of the top mesh clapboard, the bottom end of the outer sand basin is provided with the non-return cylinder, the inner part of the non-return cylinder is provided with the sand screening cylinder main body, the inner part of the sand screening cylinder main body is provided with the lifting cylinder, the top of, the outer side of the sand sieving barrel body is provided with the barrel wall, the upper end of the barrel wall is provided with the fine sand sieving hole, the bottom end of the fine sand sieving hole is provided with the excrement outlet, the inner part of the sand sieving barrel body is provided with a defecation sand pit, one side of the outer sand basin is fixedly connected with a water inlet pipe, one end of the water inlet pipe is provided with a water inlet electromagnetic valve, two ends of the outer sand basin are fixedly connected with a screw rod sleeve, a screw rod is connected in the screw rod sleeve in a threaded manner, two sides of the outer sand basin are fixedly provided with a slide rod sleeve, a slide rod is sleeved in the slide rod sleeve, the peripheral side of the bottom of the core sand sieving device is provided with an excrement grinding basin, the excrement grinding basin is fixedly arranged on the outer surface of the upper side of a fixed plate, the bottom of the fixed plate is provided with a second bottom plate, the second bottom plate is provided with an excrement discharging, the middle part of fixed plate is equipped with the rotary rod, the top welding of rotary rod has the gear, the gear with the threaded rod passes through gear engagement and links to each other, the lead screw with the synchronizing wheel is all installed to the bottom of rotary rod, the last side end fixed mounting of fixed plate has a plurality of motor, the motor pass through conveyer with the synchronizing wheel activity links to each other.

As an optimal technical scheme of the utility model, the bounding wall the roof with first bottom plate all adopts stainless steel material to make to the welding links to each other, the inner bag welding be in the roof with on the first bottom plate.

As an optimal technical scheme of the utility model, fine mesh screening sand hole align to grid distributes the upper end of sand screening bucket main part, it is the rectangular hole to go out the excrement mouth, just fine mesh screening sand hole with it is certain interval array distribution in sand screening bucket main part to go out the excrement mouth.

As an optimal technical scheme of the utility model, on the outer sand basin the lead screw with the synchronizing wheel is fixed to be linked to each other, the motor passes through conveyer with the synchronizing wheel links to each other.

As an optimal technical scheme of the utility model, on the outer sand basin the slide bar welding is in on the fixed plate, on the outer sand basin the slide bar with the activity of slide bar cover links to each other.

As an optimal technical scheme of the utility model, the even fixedly connected with in the outside of a non return section of thick bamboo is four the slide bar cover, the inside of slide bar cover is equipped with the slide bar, the slide bar welding is in on the fixed plate, the spring has been cup jointed in the activity of slide bar surface.

As an optimal technical scheme of the utility model, sieve sand bucket main part a non return section of thick bamboo the lift bucket outer sand basin the inner bag with excrement and urine grinds the basin and all is in with axle center position department, the non return section of thick bamboo cup joints the outside of sieve sand bucket main part, place in the lift bucket the inside of sieve sand bucket main part.

As an optimal technical scheme of the utility model, the netted baffle in top passes through the screw fixation outside on the sand basin, outside sand basin passes through the slide bar with the lead screw is fixed on the fixed plate, a non return section of thick bamboo passes through the slide bar is fixed on the fixed plate, the second bottom plate with the fixed plate passes through the screw fixation and links to each other, the second bottom plate is fixed on the inner bag.

As an optimal technical scheme of the utility model, the inlet tube links to each other with external water pipe, the water inlet of sewer is connected to the one end of blow off pipe, the minimum position that outer sand basin dropped does the bottom terminal surface of outer sand basin with the bottom terminal surface parallel and level of a non return section of thick bamboo.

As an optimal technical scheme of the utility model, be equipped with control switch on the shell, control switch and external power supply the motor with the solenoid valve electric connection of intaking.

The utility model discloses the beneficial effect who reaches is:

1. the utility model discloses, through the dislocation motion of sieve sand bucket main part, outer sand basin, lift bucket, can be when the in-service use, with fine sand and excrement and urine respectively through fine mesh sand mouth, play excrement mouth separation, can effectually carry out excrement and urine screening and remove the processing, automatic operation is more convenient.

2. The utility model discloses, through adding the non return section of thick bamboo of establishing, can reduce the height in whole lavatory through shortening the bucket wall of screening sand bucket main part on the one hand, on the other hand can replace the non return effect of screening sand bucket main part wall.

3. The utility model discloses, the integrated device, core screening sand device all cup joint with the axle center activity and connect, can pass through the automatic cat litter excrement and urine of clearing up of inlet tube drainage, and carry out excrement and urine screening through the rotation and remove the processing, and structural control operation is firm.

4. The utility model discloses, whole during operation falls into outer sand basin through the cat litter and outer sand basin rises the return after, through conveying rotatory torsion to chassis elevating gear again, it is rotatory to drive the lift bucket, and the rotation can make the barrel head descend, makes excrement and urine discharge to excrement and urine grinding basin through excrement and urine hole at last, grinds and avoids excrement and urine to block up blow off pipe or sewer influence and use.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic diagram of the overall explosion structure of the present invention;

FIG. 2 is a schematic view of a partially assembled structure of the present invention;

fig. 3 is a schematic diagram of the internal structure of the present invention.

In the figure: 1. a housing; 2. a middle hole; 3. enclosing plates; 4. a top plate; 5. a first base plate; 6. a top mesh partition; 7. a sand screening barrel main body; 8. a cylinder wall; 9. screening sand holes with a fine screen; 10. a manure outlet; 11. a non-return cylinder; 12. a lifting bucket; 13. an outer sand basin; 14. a core sand screening device; 15. an inner container; 16. a defecation sand pit; 17. A water inlet pipe; 18. a water inlet electromagnetic valve; 19. a manure discharge port; 20. a slide bar sleeve; 21. a manure grinding basin; 22. a fixing plate; 23. a gear; 24. a synchronizing wheel; 25. a blow-off pipe; 26. a motor; 27. a conveyor belt; 28. A slide bar; 29. a screw rod; 30. a screw rod sleeve; 31. a second base plate; 32. a threaded rod; 33. the rod is rotated.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in figures 1-3, the utility model provides a straight barrel type pet toilet capable of automatically screening sand and removing feces, which comprises a shell 1 and a core sand screening device 14, wherein the shell 1 comprises a coaming 3, a top plate 4 and a first bottom plate 5, a middle hole 2 is arranged in the middle of the top plate 4, an inner container 15 is arranged in the middle hole 2, the core sand screening device 14 is arranged at the concentric shaft position of the middle hole 2, the core sand screening device 14 is composed of an outer sand basin 13, a non-return cylinder 11, a sand screening barrel main body 7 and a lifting barrel 12, the sand screening barrel main body 7 is composed of a fine sand screening hole 9, a feces outlet 10 and a barrel wall 8, a top mesh clapboard 6 is arranged at the top end of the core sand screening device 14, the outer sand basin 13 is arranged at the bottom end of the top mesh clapboard 6, the non-return cylinder 11 is arranged at the bottom end of the outer sand basin 13, the sand screening barrel main body 7 is arranged in the non-return cylinder 11, the sand, the top of the lifting barrel 12 is hemispherical, the outer side of the sand sieving barrel main body 7 is provided with a barrel wall 8, the upper end of the barrel wall 8 is provided with a fine sand sieving hole 9, the bottom end of the fine sand sieving hole 9 is provided with a feces outlet 10, the inner part of the sand sieving barrel main body 7 is provided with a defecation sand pit 16, one side of the outer sand basin 13 is fixedly connected with a water inlet pipe 17, one end of the water inlet pipe 17 is provided with a water inlet electromagnetic valve 18, two ends of the outer sand basin 13 are fixedly connected with a screw rod sleeve 30, the screw rod sleeve 30 is internally threaded with a screw rod 29, two sides of the outer sand basin 13 are fixedly provided with a slide rod sleeve 20, a slide rod 28 is sleeved in the slide rod sleeve 20, the peripheral side of the bottom of the core sand sieving device 14 is provided with a feces grinding basin 21, the feces grinding basin 21 is fixedly arranged on the outer surface of the upper side of a fixed plate 22, the bottom of the fixed plate 22 is provided with a, the middle part of fixed plate 22 is equipped with rotary rod 33, and the welding of the top of rotary rod 33 has gear 23, and gear 23 passes through the gear engagement with threaded rod 32 and links to each other, and synchronizing wheel 24 is all installed to the bottom of lead screw 29 and rotary rod 33, and the upside terminal surface fixed mounting of fixed plate 22 has a plurality of motor 26, and motor 26 passes through conveyer 27 and links to each other with synchronizing wheel 24 activity.

The coaming 3, the top plate 4 and the first bottom plate 5 are all made of stainless steel materials and are connected in a welding mode, and the inner container 15 is welded on the top plate 4 and the first bottom plate 5, so that the service life is prolonged.

Fine screening sand hole 9 align to grid distributes in the upper end of sand screening bucket main part 7, and excrement outlet 10 is the rectangular hole, and fine screening sand hole 9 and excrement outlet 10 are certain interval array and distribute on sand screening bucket main part 7, and fine screening sand hole 9 can discharge fine sand, and excrement and urine can be discharged to excrement outlet 10.

The screw 29 on the outer sand basin 13 is fixedly connected with the synchronizing wheel 24, the motor 26 is connected with the synchronizing wheel 24 through the conveying belt 27, and the screw 29 is driven to rotate forward and backward through the forward and backward rotation of the motor 26, so that the outer sand basin 13 can move up and down.

The sliding rod 28 on the outer sand basin 13 is welded on the fixing plate 22, and the sliding rod 28 on the outer sand basin 13 is movably connected with the sliding rod sleeve 20 and plays a stabilizing role through the sliding rod sleeve 20.

Four sliding rod sleeves 20 are uniformly and fixedly connected to the outer side of the non-return cylinder 11, a sliding rod 28 is arranged inside each sliding rod sleeve 20, the sliding rod 28 is welded on the fixing plate 22, a spring is movably sleeved on the outer surface of each sliding rod 28, and the non-return cylinder 11 can be reset through the spring.

Sieve sand bucket main part 7, a non return section of thick bamboo 11, lift bucket 12, outer sand basin 13, inner bag 15 and excrement and urine and grind basin 21 and all be in with axle center position department, and non return section of thick bamboo 11 cup joints in the outside of sieve sand bucket main part 7, places the inside of sieve sand bucket main part 7 in the lift bucket 12 in, makes its cat sand and excrement and urine separation screening through the dislocation between sieve sand bucket main part 7, lift bucket 12 and the non return section of thick bamboo 11.

The top reticular baffle 6 is fixed on the outer sand basin 13 through screws, the outer sand basin 13 is fixed on the fixing plate 22 through a slide rod 28 and a screw 29, the non-return cylinder 11 is fixed on the fixing plate 22 through the slide rod 28, the second bottom plate 31 is fixedly connected with the fixing plate 22 through screws, and the second bottom plate 31 is fixed on the inner container 15.

The inlet tube 17 links to each other with external water pipe, and the water inlet of sewer is connected to the one end of blow off pipe 25, and the minimum limit position that outer sand basin 13 dropped to is the bottom terminal surface of outer sand basin 13 and the bottom terminal surface parallel and level of non return section of thick bamboo 11.

The shell 1 is provided with a control switch which is electrically connected with an external power supply, the motor 26 and the water inlet electromagnetic valve 18, and the power supply of the motor 26 and the water inlet electromagnetic valve 18 is respectively switched on through the control switch.

Wherein, the shell 1 is integrally formed by bending stainless steel to form a coaming 3 and is fixed by welding, simultaneously, a top plate 4 and a first bottom plate 5 are formed by cutting the stainless steel plate and then are welded at the upper and lower ends of the coaming 3 by the top plate 4 and the first bottom plate 5, or the integral shell 1 is manufactured by injection molding, an inner container 15 is integrally and fixedly welded in a middle hole 2 of the top plate 4 and the first bottom plate 5 and is welded and fixed at the same axial position, a top reticular baffle 6 is movably connected at the position of a middle hole 2 of the top plate 4, the lower side hole edge of the top reticular baffle 6 is movably sleeved and connected with the outer edge position of a sand sieving barrel main body 7, the top reticular baffle 6 is fixedly connected at the upper side hole edge position of an outer sand basin 13, a non-return cylinder 11 is movably sleeved and connected at the outer edge position of the sand sieving barrel main body 7, a lifting barrel 12 is arranged at the inner side wall position, the lower side of the outer sand basin 13 is vertically and fixedly connected with a sliding rod sleeve 20, the sliding rod sleeves 20 are provided with four groups, the distance between each group is 90 degrees, the lower end of the sliding rod sleeve 20 is movably connected with a screw rod, the screw rod is vertically and fixedly connected to the outer surface of the upper end of a fixing plate 22, and a motor 26 is in transmission connection with one end of the screw rod at the lower side of the outer sand basin 13 through a conveying belt 27.

The working principle is as follows: when the sand screening machine works, firstly, the motor 26 is switched on to carry out reverse rotation, the screw rod 29 on the outer sand basin 13 is driven to carry out reverse rotation through the conveying belt 27, so that the outer sand basin 13 descends, meanwhile, in the descending process, the outer sand basin 13 presses down the non-return cylinder 11 together, the lowest limit position of the descending target that the outer sand basin 13 can descend is that the bottom end surface of the outer sand basin 13 is flush with the bottom end surface of the non-return cylinder 11, so that cat sand in the sand screening barrel main body 7 flows into the outer sand basin 13, after the cat sand falls into the outer sand basin 13, the forward rotation switch of the motor 26 is switched on, so that the screw rod 29 on the outer sand basin 13 is driven to carry out forward rotation through the conveying belt 27, the screw rod is connected with the outer sand basin 13, the outer sand basin 13 starts to ascend due to forward rotation, because the slide rod sleeve 20 connected with the non-return cylinder 11 is supported by the spring, the pressing force of the outer sand basin 13 is released, the spring can rebound the non-return cylinder 11 upwards, when the target rises to be level with the top of the sand sieving barrel body 7, the cat litter falls into the outer sand basin 13 and the outer sand basin 13 rises and returns, the second motor on the fixing plate 22 drives the synchronizing wheel 24 at the bottom of the rotating rod 33 to rotate through the conveying belt 27, the rotating torque is transmitted to the rotating rod 33 in the fixing plate 22, the rotating rod 33 rotates to drive the gear 23 to rotate, the gear 23 rotates to drive the threaded rod 32 at the bottom of the lifting barrel 12 to rotate, so that the lifting barrel 12 rotates, the lifting barrel 12 descends due to the rotation and reverse rotation of the gear 23, the target falls to be level with the bottom of the lifting barrel 12 and the feces outlet 10, as the top of the lifting barrel 12 is hemispherical, the feces roll to the feces outlet 10 from the hemisphere and are discharged to the feces grinding basin 21, then the motor 26 rotates reversely, so that the lifting barrel 12 rises to the bottom of the fine sand sieving hole 9, and the third motor on the fixing plate 22 drives the, the excrement grinding basin 21 is fixed on a fixing plate 22 through a rotating shaft, a synchronizing wheel 24 is welded at the bottom of the rotating shaft, the synchronizing wheel 24 is connected with a third motor rotating shaft through a conveying belt 27, the third motor is electrified to drive the synchronizing wheel 24 to rotate, the synchronizing wheel 24 rotates to drive the rotating shaft to rotate, the rotating shaft drives the excrement grinding basin 21 to rotate, a plurality of fixing rods are arranged inside the excrement grinding basin 21, the fixing rods can touch and extrude excrement when the excrement grinding basin 21 rotates, the excrement can be ground into small pieces and conveniently discharged, a power switch of a water inlet electromagnetic valve 18 is opened at the same time, water is injected through a water inlet pipe 17, water flow drives the excrement to be discharged, after the excrement is discharged, a motor 26 works to drive an outer sand basin 13 to continuously ascend, due to the limit of a non-return cylinder 11, the non-return cylinder 11 cannot continuously ascend, the non-return cylinder 11 is always kept parallel and level with a fine mesh screen sand hole 9, make the cat litter fall into sieve sand bucket main part 7 again, in the solenoid valve 18 that intakes drained to sieve sand bucket main part, the barrel head can make a round trip to rotate the help sand washing. After the cat litter is cleaned, the outer litter box 13 descends to be restored to the original position.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A straight barrel type pet toilet capable of automatically screening sand and removing feces comprises a shell (1) and a core sand screening device (14) and is characterized in that the shell (1) comprises a coaming (3), a top plate (4) and a first bottom plate (5), a middle hole (2) is formed in the middle of the top plate (4), an inner container (15) is arranged inside the middle hole (2), the core sand screening device (14) is installed at the position of a concentric shaft of the middle hole (2), the core sand screening device (14) is composed of an outer sand basin (13), a non-return cylinder (11), a sand screening barrel main body (7) and a lifting barrel (12) together, the sand screening barrel main body (7) is composed of a fine mesh sand hole (9), a feces outlet (10) and a barrel wall (8), a top mesh partition plate (6) is arranged at the top end of the core sand screening device (14), the outer sand basin (13) is installed at the bottom of the top mesh partition plate (6), the bottom end of the outer sand basin (13) is provided with the non-return cylinder (11), the inner part of the non-return cylinder (11) is provided with the sand sieving barrel main body (7), the inner part of the sand sieving barrel main body (7) is provided with the lifting barrel (12), the top of the lifting barrel (12) is hemispherical, the outer side of the sand sieving barrel main body (7) is provided with the barrel wall (8), the upper end of the barrel wall (8) is provided with the fine mesh screen sand hole (9), the bottom end of the fine mesh screen sand hole (9) is provided with the excrement outlet (10), the inner part of the sand sieving barrel main body (7) is provided with the excrement discharging sand pit (16), one side of the outer sand basin (13) is fixedly connected with a water inlet pipe (17), one end of the water inlet pipe (17) is provided with a water inlet electromagnetic valve (18), two ends of the outer sand basin (13) are fixedly connected with a screw rod sleeve (30), and the screw rod, the both sides of outer sand basin (13) are fixed with slide bar cover (20), slide bar (28) have been cup jointed in slide bar cover (20), core screening sand device (14) bottom periphery side is provided with excrement and urine grinding basin (21), excrement and urine grinding basin (21) fixed mounting is at fixed plate (22) upside surface, second bottom plate (31) are installed to the bottom of fixed plate (22), be equipped with row excrement mouth (19) on second bottom plate (31), be fixed with blow off pipe (25) on row excrement mouth (19), the bottom intermediate position department of lift bucket (12) is provided with threaded rod (32), the middle part of fixed plate (22) is equipped with rotary rod (33), the top welding of rotary rod (33) has gear (23), gear (23) with threaded rod (32) link to each other through gear engagement, synchronizing wheel (24) are all installed to lead screw (29) and the bottom of rotary rod (33), a plurality of motors (26) are fixedly mounted on the upper side end face of the fixing plate (22), and the motors (26) are movably connected with the synchronizing wheel (24) through a conveying belt (27).

2. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; the coaming (3), the top plate (4) and the first bottom plate (5) are all made of stainless steel materials and are connected in a welding mode, and the inner container (15) is welded on the top plate (4) and the first bottom plate (5).

3. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; fine mesh screening sand hole (9) align to grid and distribute be in the upper end of screening sand bucket main part (7), go out excrement mouth (10) and be the rectangular hole, just fine mesh screening sand hole (9) with go out excrement mouth (10) and be certain interval array distribution on screening sand bucket main part (7).

4. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; the screw rod (29) on the outer sand basin (13) is fixedly connected with the synchronizing wheel (24), and the motor (26) is connected with the synchronizing wheel (24) through the conveying belt (27).

5. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; the sliding rod (28) on the outer sand basin (13) is welded on the fixing plate (22), and the sliding rod (28) on the outer sand basin (13) is movably connected with the sliding rod sleeve (20).

6. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; the outer side of the non-return cylinder (11) is uniformly and fixedly connected with four sliding rod sleeves (20), the sliding rods (28) are arranged inside the sliding rod sleeves (20), the sliding rods (28) are welded on the fixing plate (22), and springs are movably sleeved on the outer surfaces of the sliding rods (28).

7. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; sieve sand bucket main part (7) non return section of thick bamboo (11) lift bucket (12) outer sand basin (13) inner bag (15) with excrement and urine grinds basin (21) and all is in with axle center position department, non return section of thick bamboo (11) cup joint the outside of sieve sand bucket main part (7), place in lift bucket (12) the inside of sieve sand bucket main part (7).

8. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; the top net-shaped partition plate (6) is fixed on the outer sand basin (13) through screws, the outer sand basin (13) is fixed on the fixing plate (22) through the sliding rod (28) and the screw rod (29), the non-return cylinder (11) is fixed on the fixing plate (22) through the sliding rod (28), the second bottom plate (31) is fixedly connected with the fixing plate (22) through screws, and the second bottom plate (31) is fixed on the inner container (15).

9. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; the water inlet pipe (17) is connected with an external tap water pipe, one end of the sewage discharge pipe (25) is connected with a water inlet of a sewer, and the lowest limit position where the outer sand basin (13) falls is the bottom end face of the outer sand basin (13) and the bottom end face of the non-return cylinder (11) are parallel and level.

10. The vertical barrel type pet litter box capable of automatically screening sand and removing feces according to claim 1, wherein; the shell (1) is provided with a control switch, and the control switch is electrically connected with an external power supply, the motor (26) and the water inlet electromagnetic valve (18).