Pet toilet convenient to clean

Abstract

The utility model relates to a pet toilet convenient to clean. The pet toilet comprises a base and a bin body. The bin body is rotationally installed on the base, the bin body is arranged in the front-back direction relative to the rotating axis of the base, and a sand basin is installed in the bin body; a drawer opening and a pet passing opening which are communicated with an inner cavity of the bin body are formed in the front end face of the bin body; the sand basin is arranged in the bin body from a drawer opening in a drawer manner; the pet granary further comprises a front cover, the front cover is detachably installed on the front end face of the granary body, the front cover blocks the front end face of the sand basin, and a pet in-out opening right opposite to the pet passing opening is formed in the front cover. The sand basin has the characteristics that the structure is simple, the design is reasonable, the sand basin is convenient and rapid to disassemble and assemble, and the sand basin cannot be damaged due to disassembly and assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to pet toilet technical field, especially a kind of pet toilet of easy cleaning. BACKGROUND

[0002] In order to facilitate the excrement of pet, more and more pet toilets appear on the market. In the technical solution of Chinese patent application No. 2023222411890, entitled "a pet toilet", the fecal pellets and pet sand can be separated when in use, and the fecal pellets can be transferred to the collection cavity of the base through the rotation of the sand bin. After using for a period of time, the pet sand remaining on the basin will also produce an odor, and the pet sand on the basin needs to be replaced and the basin needs to be cleaned. Since the basin of this technical solution is limited by the clamping block provided on the inner wall of the bin body, it is not convenient to detach the basin. In addition, the basin is generally separated from the clamping block by deforming its edge, which can easily damage the basin and reduce its service life. SUMMARY

[0003] The utility model aims at providing a pet toilet which is easy to clean, has a simple structure, a reasonable design, and is easy and quick to disassemble and assemble, and the sand basin will not be damaged during disassembly and assembly.

[0004] The technical solution of the utility model is as follows: a pet toilet which is easy to clean, comprising a base and a bin body; the bin body is rotatably installed on the base, and the rotation axis of the bin body relative to the base is arranged along the front-back direction; a sand basin is installed in the bin body; in particular, a drawer opening and a pet opening are formed on the front end face of the bin body and communicate with the inner cavity thereof; the sand basin is in the form of a drawer and is installed in the bin body through the drawer opening; a front cover is detachably installed on the front end face of the bin body; the front cover blocks the front end face of the sand basin, and a pet inlet and outlet are formed on the front cover and face the pet opening.

[0005] The sand basin is in the form of a drawer and is installed in the bin body, and the front end of the sand basin is blocked by the front cover which is detachably installed on the front end of the bin body, so as to limit the sand basin in the bin body; when the sand basin needs to be detached from the bin body, the front cover is detached first, and then the sand basin can be pulled out of the bin body, so that the sand basin is separated from the bin body, and the user can pour out the pet sand with odor on the sand basin; after cleaning the sand basin, the sand basin is inserted into the bin body in the form of a drawer, and the front cover is installed finally. This structure makes the disassembly and assembly of the sand basin very convenient and quick, and the sand basin does not need to deform during disassembly and assembly, so as to avoid damage to the sand basin.

[0006] Further, the sand basin comprises a basin body and a basin framework; the basin body is made of soft material, and the four peripheral edges of the basin body are connected with the basin framework; the basin body is installed in the cabinet body in a drawer type through the basin framework.

[0007] Further, the basin framework comprises an upper frame body and a lower frame body; the upper frame body comprises a frame part and a handle part; the handle part is connected with the front side of the frame part; the lower frame body is in a frame structure, and the frame opening edge of the lower frame body is outwardly bent to form a clamping edge; the basin opening edge of the basin body is outwardly bent to form a clamping edge; the basin opening of the basin body is arranged towards the upper frame body, and the lower part of the basin body passes through the lower frame body; the frame part of the upper frame body, the clamping edge of the basin body and the clamping edge of the lower frame body are sequentially stacked and fixed together, so that the upper frame body, the basin body and the lower frame body are connected together.

[0008] Further, the sand basin further comprises two sealing strips; two set edges are formed on the basin framework, and the two set edges are respectively arranged on the left and right sides of the basin framework and are arranged along the front and back directions in the length direction of the set edges; each sealing strip is formed with a set groove on one side edge thereof, the two sealing strips correspond to the two set edges one by one, the set groove of the sealing strip is set on the set edge corresponding thereto, and the other side edge of each sealing strip is tightly attached to the inner wall of the cabinet body to block the gap between the left and right sides of the basin framework and the inner wall of the cabinet body.

[0009] Further, two supporting edges and a top pressing block are formed in the cabinet body; the two supporting edges are arranged on the inner circumferential surface of the cabinet body, and the length direction of each supporting edge is arranged along the front and back directions; the top pressing block is arranged on the rear wall surface of the cabinet body; the rear end of the sand basin enters the cabinet body from the drawer opening, the two side edges of the sand basin arranged along the front and back directions slide along the two supporting edges and are supported by the supporting edges, the rear wall surface of the sand basin abuts against the rear wall surface of the cabinet body, and the side edge of the rear side of the sand basin abuts against the top pressing block from the side away from the supporting edge, and the front end of the sand basin is limited in the drawer opening, so that the sand basin is installed in the cabinet body in a drawer type and is positioned with the cabinet body.

[0010] Further, a plurality of clamping blocks are arranged on the front end surface of the cabinet body; each clamping block is arranged protruding from the front end surface of the cabinet body, and all the clamping blocks are arranged in a ring shape to form a rotating ring, and the pet access opening is arranged in the rotating ring; the surface of the front cover facing the cabinet body is formed with an embedded recess, and the pet access opening communicates with the embedded recess; the cross section of the embedded recess is circular, a plurality of clamping parts are formed on the inner circumferential surface of the embedded recess, and all the clamping parts are arranged in a ring shape; the embedded recess of the front cover is set on the rotating ring, all the clamping parts on the front cover correspond to all the clamping blocks on the cabinet body one by one, and the front cover is rotated relative to the cabinet body by surrounding the rotating ring, so that the corresponding clamping parts and clamping blocks are clamped, so that the front cover is installed on the cabinet body.

[0011] Further, a partition is installed in the bin body, which divides the inner cavity of the bin body into a pet accommodating space and a pet litter filtering space; the litter box is arranged in the pet accommodating space; the pet litter filtering space is formed with a litter filtering opening arranged near the opening of the litter box; the partition is formed with a limiting groove at each of the front and rear ends of the side edge for forming the litter filtering opening; a sieve plate is arranged on the litter filtering opening; the sieve plate is formed with a limiting portion at each of the front and rear ends of the side edge away from the litter box; the two limiting portions of the sieve plate and the two limiting grooves of the partition are one-to-one correspondingly fitted, and the corresponding limiting portions are rotatably installed in the limiting grooves, so that the sieve plate can rotate relative to the partition, and the rotation axis of the sieve plate relative to the partition is arranged in the front-rear direction.

[0012] Further, a fecal mass outlet is arranged on the circumferential surface of the bin body, which communicates the pet accommodating space with the outside, and the fecal mass outlet is opposite to the opening of the litter box; a cover plate is rotatably installed in the bin body, and a return spring is arranged between the cover plate and the bin body; the return spring is used to push the cover plate to move outward from the bin body to close the fecal mass outlet; a switch mechanism and a fecal mass treatment mechanism are installed on the base; a fecal mass through hole is arranged on the base, and the fecal mass treatment mechanism is arranged with a fecal mass inlet opposite to the fecal mass through hole; the switch mechanism is used to push the cover plate to open against the return spring.

[0013] Further, the switch mechanism comprises an installation plate, a pushing arm, a switch motor and a rotating arm; the installation plate is installed on the base; the pushing arm is rotatably installed on the installation plate, one end of the pushing arm is provided with a pushing long hole, the other end of the pushing arm is provided with a roller, the rotating connection between the pushing arm and the installation plate is located between the pushing long hole and the roller, and the rotating connection between the pushing arm and the installation plate is arranged near the pushing long hole; the rotation axis of the pushing arm relative to the installation plate, the hole axis of the pushing long hole and the rotation axis of the roller are all arranged in the front-rear direction; the switch motor is installed on the installation plate, and the rotation axis of the rotating shaft of the switch motor is arranged in the front-rear direction; one end of the rotating arm is installed on the rotating shaft of the switch motor, and the other end of the rotating arm is provided with a pushing column extending into the pushing long hole.

[0014] Further, the scheme also includes a master control module and a rotating drive mechanism; the base is provided with a rear shell, the rear shell is located at the rear of the bin body; the rotating drive mechanism includes a rotating motor, a driving gear and an annular rack; the driving gear is rotatably installed on the rear shell, and the rotation axis of the driving gear is arranged along the front-rear direction; the rotating motor is installed on the rear shell, and the rotating motor is used for driving the driving gear to rotate; the annular rack is arranged on the back of the bin body, and the annular rack is engaged with the driving gear; the master control module is installed on the base; the first sensor and the second sensor are arranged on the rear shell; the pet sensing sensor is arranged in the bin body, and the sensing piece is arranged on the back of the bin body; the first sensor, the second sensor, the pet sensing sensor, the switch motor and the rotating motor are electrically connected with the master control module; when the first sensor senses the sensing piece, at this time, the fecal pellet outlet of the bin body is arranged downward and opposite to the fecal pellet through hole on the base; when the second sensor senses the sensing piece, at this time, the fecal pellet outlet of the bin body is arranged upward.

[0015] The utility model discloses the beneficial effects of having simple structure, reasonable in design, sand basin dismounts convenient and quick, and sand basin will not be damaged because of dismounting and the like advantages. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the stereogram structure schematic diagram of example.

[0017] Figure 2 It is the dismounting structure schematic diagram of bin body and base of example.

[0018] Figure 3 It is the structure schematic diagram of bin body of example.

[0019] Figure 4 It is the dismounting structure schematic diagram of bin body, sand basin and front cover of example.

[0020] Figure 5 It is the structure schematic diagram of front cover of example.

[0021] Figure 6 It is the dismounting structure schematic diagram of sand basin of example.

[0022] Figure 7 It is Figure 6 It is the structure schematic diagram of upper frame body after turning over 180 of in.

[0023] Figure 8 It is the structure schematic diagram of connecting after baffle and sieve plate of example.

[0024] Figure 9 It is the structure schematic diagram of switch mechanism of example.

[0025] Explanation of reference signs: 1 - base; 11 - semi-cylindrical recess; 12 - rotating wheel; 13 - rear shell; 14 - push-through hole; 2 - bin body; 21 - drawer opening; 22 - pet pass-through opening; 23 - support edge; 24 - top pressing block; 25 - locking block; 26 - fecal pellet outlet; 27 - cover plate; 3 - sand basin; 31 - basin body; 311 - clamping edge; 312 - through hole; 32 - basin framework; 33 - upper frame body; 331 - frame body part; 332 - handle part; 333 - ring groove; 334 - insertion column; 335 - positioning column; 336 - clamping hook; 337 - sleeving edge; 34 - lower frame body; 341 - clamping edge; 342 - insertion hole; 343 - positioning hole; 344 - clamping recess; 35 - sealing strip; 4 - front cover; 41 - pet inlet and outlet; 42 - insertion recess; 43 - locking part; 5 - partition; 51 - limiting groove; 6 - sieve plate; 61 - limiting part; 7 - switch mechanism; 71 - mounting plate; 72 - push arm; 721 - push long hole; 722 - roller; 73 - switch motor; 74 - rotating arm; 741 - push column; 8 - fecal pellet processing mechanism; 9 - main control module; 10 - driving gear; 20 - ring gear. DETAILED DESCRIPTION

[0026] As Figure 1 , Figure 2 , Figure 4As shown, the pet toilet of the present embodiment is convenient to clean, which comprises a base 1 and a bin body 2; the bin body 2 is rotatably installed on the base 1, and the rotation axis of the bin body 2 relative to the base 1 is arranged along the front-rear direction, and a sand basin 3 is installed in the bin body 2. In the present embodiment, the structure that the bin body 2 is rotatably installed on the base 1 is as follows: the bin body 2 is a cylindrical shell with the diameter gradually decreasing from the middle to the front and rear ends, and the central axis of the bin body 2 is arranged along the front-rear direction; a semicylindrical recess 11 is formed on the top surface of the base 1, and the central axis of the semicylindrical recess 11 is arranged along the front-rear direction; three rotating wheel sets are installed on the semicylindrical recess 11, and the three rotating wheel sets are arranged along the front-rear direction; two rotating wheels 12 of each rotating wheel set are symmetrically arranged on the left and right sides of the central axis of the semicylindrical recess 11, and each rotating wheel 12 is rotatably installed on the base 1, and the rotation axis of each rotating wheel 12 is arranged along the front-rear direction, and each rotating wheel 12 is partially arranged outside the semicylindrical recess 11; the bin body 2 is placed on the semicylindrical recess 11 of the base 1, and the two rotating wheel sets are respectively close to the front and rear ends of the bin body 2, and the outer circumferential surface of the bin body 2 is supported by the rotating wheels 12, so that the bin body 2 is rotatably installed on the base 1. A drawer opening 21 and a pet pass opening 22 are formed on the front end surface of the bin body 2 and communicate with the inner cavity of the bin body 2; the sand basin 3 is in the form of a drawer and is installed in the bin body 2 through the drawer opening 21; and a front cover 4 is detachably installed on the front end surface of the bin body 2, the front cover 4 blocks the front end surface of the sand basin 3, and a pet access opening 41 is formed on the front cover 4 and faces the pet pass opening 22. With such a structure, when the sand basin 3 needs to be detached from the bin body 2, the front cover 4 is first detached, and then the sand basin 3 can be pulled out of the bin body 2, so that the sand basin 3 is separated from the bin body 2, and the user can pour away the pet sand with odor on the sand basin 3; after the sand basin 3 is cleaned, the sand basin 3 is inserted into the bin body 2 in the form of a drawer, and finally the front cover 4 is installed. Such a structure makes the sand basin 3 very convenient and fast to disassemble and assemble, and the sand basin 3 does not need to be deformed during the disassembly and assembly process, so as to avoid the sand basin 3 being easily damaged.

[0027] In order to make the pet more comfortable to sit on the sand basin 3, as shown in Figure 4 , Figure 6 , the sand basin 3 comprises a basin body 31 and a basin framework 32; the basin body 31 is a thin film structure made of soft material, and the thickness of the basin body 31 is in the range of 0.1mm-1mm, and the soft material is generally silica gel, and the four peripheral edges of the basin body 31 are connected with the basin framework 32, and the basin body 31 is installed in the bin body 2 in the form of a drawer through the basin framework 32. The basin body 31 of the sand basin 3 with such a structure is soft and has good elasticity, so that the pet is more comfortable to sit on the sand basin 3.

[0028] In order to make the connection structure between the basin body 31 and the basin framework 32 more reasonable, as shown in Figure 4 , Figure 6 , Figure 7As shown, the basin framework 32 comprises an upper frame body 33 and a lower frame body 34; the upper frame body 33 comprises a frame part 331 and a handle part 332; the handle part 332 is connected with the front side of the frame part 331; the lower frame body 34 is a frame structure, and the frame opening edge of the lower frame body 34 is outwardly bent to form a clamping edge 341; the basin opening edge of the basin body 31 is outwardly bent to form a clamping edge 311; the basin opening of the basin body 31 is arranged towards the upper frame body 33, the lower part of the basin body 31 passes through the lower frame body 34, and the frame part 331 of the upper frame body 33, the clamping edge 311 of the basin body 31 and the clamping edge 341 of the lower frame body 34 are sequentially stacked and fixed together, so that the upper frame body 33, the basin body 31 and the lower frame body 34 are connected together. Such a structure makes the four peripheral edges of the basin body 31 be fixed by the basin framework 32, so that the basin body 31 is not easy to be separated from the basin framework 32. In the embodiment, the fixing structure between the frame part 331 of the upper frame body 33, the clamping edge 311 of the basin body 31 and the clamping edge 341 of the lower frame body 34 is as follows: the frame part 331 of the upper frame body 33, the basin opening of the basin body 31 and the lower frame body 34 are all rectangular structures; a ring groove 333 is formed on the bottom surface of the frame part 331, the ring groove 333 is arranged along the contour of the frame part 331, a plurality of insertion columns 334 are formed in the ring groove 333, all the insertion columns 334 are uniformly arranged along the contour of the ring groove 333, a positioning column 335 is respectively formed at each of the four corner parts in the ring groove 333, and two clamping hooks 336 are respectively formed in the left and right sides of the ring groove 333 and arranged along the length direction thereof; a plurality of through holes 312 are formed on the clamping edge 311 of the basin body 31, and all the through holes 312 are uniformly arranged along the contour of the clamping edge 311; a plurality of insertion holes 342 are formed on the clamping edge 341 of the lower frame body 34, and all the insertion holes 342 are uniformly arranged along the contour of the clamping edge 341, a positioning hole 343 is respectively formed at each of the four corner parts of the clamping edge 341, and two clamping recesses 344 are respectively formed on the left and right sides of the clamping edge 341; during assembly, the upper frame body 33 is first turned over, then all the through holes 312 on the basin body 31 are correspondingly matched with all the insertion columns 334 on the frame part 331, and the corresponding through holes 312 are sleeved on the insertion columns 334; then the lower frame body 34 is turned over, and all the insertion holes 342 on the lower frame body 34 are correspondingly matched with all the insertion columns 334 on the frame part 331, all the positioning holes 343 on the lower frame body 34 are correspondingly matched with all the positioning columns 335 on the frame part 331, all the clamping recesses 344 on the lower frame body 34 are correspondingly matched with all the clamping hooks 336 on the frame part 331, and the corresponding insertion holes 342 are sleeved on the insertion columns 334, the corresponding positioning holes 343 are sleeved on the positioning columns 335, and the corresponding clamping hooks 336 pass through the clamping recesses 344 and are clamped with the bottom surface of the lower frame body 34, so that the upper frame body 33, the basin body 31 and the lower frame body 34 are connected and fixed together.Of course, in order to make the upper shelf body 33, the basin body 31 and the lower shelf body 34 more firmly connected, the upper shelf body 33, the basin body 31 and the lower shelf body 34 can also be connected and fixed by screwing screws through the insertion holes 342 from below the lower shelf body 34 and corresponding to the insertion holes 342 into the insertion columns 334, and screwing screws through the positioning holes 343 into the positioning columns 335 corresponding to the positioning holes 343.

[0029] In order to avoid the pet litter on the sand basin 3 from leaking to the bottom of the sand basin 3 when the bin body 2 is rotating, as shown in Figure 4 , Figure 6 The sand basin 3 also includes two sealing strips 35, and the basin framework 32 is formed with two sleeving edges 337, both of which are on the frame part 331 of the upper shelf body 33 and are respectively on the left and right sides of the basin framework 32, and the length direction of the sleeving edges 337 is arranged along the front and back directions; each sealing strip 35 is formed with a sleeving groove on one of its side edges, and the two sealing strips 35 correspond to the two sleeving edges 337, the sleeving groove of the sealing strip 35 is sleeved on the sleeving edge 337 corresponding thereto, and the other side edge of each sealing strip 35 is tightly attached to the inner wall of the bin body 2 to block the gap between the left and right sides of the basin framework 32 and the inner wall of the bin body 2.

[0030] In order to enable the sand basin 3 to be installed in the bin body 2 in a drawer type, as shown in Figure 4 , two supporting edges 23 and a top pressing block 24 are formed in the bin body 2; both of the two supporting edges 23 are on the inner circumferential surface of the bin body 2, and the length direction of each supporting edge 23 is arranged along the front and back directions; the top pressing block 24 is arranged on the rear wall surface of the bin body 2; the rear end of the sand basin 3 enters the bin body 2 from the drawer opening 21, the two side edges of the sand basin 3 arranged along the front and back directions slide along the two supporting edges 23 and are supported by the supporting edges 23, the rear wall surface of the sand basin 3 abuts against the rear wall surface of the bin body 2, and the side of the rear side edge of the sand basin 3 away from the supporting edges 23 abuts against the top pressing block 24, and the front end of the sand basin 3 is limited in the drawer opening 21, specifically, the handle part 332 of the sand basin 3 is in the drawer opening 21, and the outer contour shape of the handle part 332 matches the contour shape of the drawer opening 21, so that the sand basin 3 is installed in the bin body 2 in a drawer type and is positioned with the bin body 2.

[0031] In order to enable the front cover 4 to be quickly and detachably installed on the bin body 2, as shown in Figure 4 , Figure 5As shown, the front end surface of the bin body 2 is provided with four locking blocks 25; each locking block 25 is protruding from the front end surface of the bin body 2, and all the locking blocks 25 are arranged in a ring shape to form a rotating ring, and the pet access hole 22 is located in the rotating ring; the surface of the front cover 4 facing the bin body 2 is formed with an embedded recess 42, and the pet access hole 41 communicates with the embedded recess 42; the cross section of the embedded recess 42 is circular, and four locking portions 43 are formed on the inner circumferential surface of the embedded recess 42, and all the locking portions 43 are arranged in a ring shape; the embedded recess 42 of the front cover 4 is sleeved on the rotating ring, and all the locking portions 43 on the front cover 4 correspond to all the locking blocks 25 on the bin body 2, and the front cover 4 is rotated relative to the bin body 2 to make the corresponding locking portions 43 and locking blocks 25 clamped, so that the front cover 4 is installed on the bin body 2. The locking portion 43 in this embodiment is a groove-shaped structure. When the front cover 4 is rotated forward relative to the bin body 2, the corresponding locking block 25 is squeezed into the locking portion 43 to realize clamping; when the front cover 4 is rotated reversely relative to the bin body 2, the locking block 25 and the locking portion 43 are disengaged, so that the front cover 4 can be removed from the bin body 2; here, the forward rotation refers to the clockwise rotation direction of the front cover 4 in the direction from front to back relative to the bin body 2; correspondingly, the counterclockwise rotation direction of the front cover 4 is reverse.

[0032] When in use, pet litter is placed in the bin body 2, and when the pet pulls out feces on the pet litter, the feces will bond with the pet litter to form a fecal mass. In order to make the pet toilet convenient to clean can filter the fecal mass to facilitate cleaning, such as Figure 1 、 Figure 4 、 Figure 8As shown, a partition 5 is installed in the bin body 2, which divides the inner cavity of the bin body 2 into a pet accommodating space and a pet litter filtering space; the litter basin 3 is arranged in the pet accommodating space; the pet litter filtering space is formed with a litter filtering opening arranged near the basin opening of the litter basin 3; the partition 5 is formed with a limiting groove 51 at each of the front and rear ends of the side edge for forming the litter filtering opening; a sieve plate 6 is arranged on the litter filtering opening; the sieve plate 6 is formed with a limiting portion 61 at each of the front and rear ends of the side edge away from the litter basin 3; the two limiting portions 61 of the sieve plate 6 are correspondingly embedded with the two limiting grooves 51 of the partition 5, and the corresponding limiting portions 61 are rotatably installed in the limiting grooves 51, so that the sieve plate 6 can rotate relative to the partition 5, and the rotation axis of the sieve plate 6 relative to the partition 5 is arranged in the front and rear directions. In the state that the litter basin 3 is at the bottom of the bin body 2, the pet litter filtering space is located at the right side of the bin body 2, and the litter filtering opening is arranged downward, so that in the process of rotating the bin body 2 counterclockwise from front to back and gradually arranging the litter filtering opening upward for filtering litter, the sieve plate 6 will be placed on the litter filtering opening under the action of its own gravity and the pet litter, so that the pet litter can enter the pet litter filtering space through the sieve holes of the sieve plate 6, and then the fecal pellets are filtered out; when the fecal pellets are removed, the bin body 2 is rotated clockwise from front to back and is reset (that is, the litter basin 3 is in the state of being at the bottom of the bin body 2), so that the litter filtering opening is gradually arranged downward, at this time, the sieve plate 6 is rotated under the action of its own gravity and the gravity of the pet litter, so that the litter filtering opening is opened to a small opening, and then the pet litter in the pet litter filtering space quickly enters the litter basin 3 in the pet accommodating space; due to the design that the limiting portion 61 of the sieve plate 6 is arranged in the limiting groove 51, the limiting groove 51 will block the limiting portion 61 during the rotation of the sieve plate 6, so that the opening of the sieve plate 6 will not be too large, avoiding that the sieve plate 6 occupies the pet accommodating space, and then avoiding that the sieve plate 6 will scratch the pet.

[0033] In order to make the pet toilet with convenient cleaning more convenient to use, it is not necessary to manually clean the fecal pellets, such as Figure 1 、 Figure 2 、 Figure 9As shown, a fecal pellet outlet 26 is arranged on the circumferential surface of the bin body 2, which communicates the pet accommodating space with the outside world, and is opposite to the basin opening of the sand basin 3, and is located at the middle position of the front and back directions of the bin body 2; a cover plate 27 is rotatably arranged in the bin body 2, and a reset spring (not shown in the drawings) is arranged between the cover plate 27 and the bin body 2; the reset spring is used to push the cover plate 27 to move from inside to outside of the bin body 2 to close the fecal pellet outlet 26; a switch mechanism 7 and a fecal pellet treatment mechanism 8 are arranged on the base 1; a fecal pellet through hole is arranged on the base 1, which is arranged at the center of the semi-cylindrical recess 11, and the fecal pellet treatment mechanism 8 is provided with a fecal pellet inlet which is opposite to the fecal pellet through hole; the switch mechanism 7 is used to push the cover plate 27 to overcome the reset spring to open. The fecal pellet treatment mechanism 8 in the embodiment is a structure of the prior art, which is similar to the collecting mechanism in the technical solution of the Chinese patent application No. 2024111068730 entitled "Intelligent pet toilet" applied by the applicant. The bin body 2 in the embodiment is a cylindrical shell with a diameter gradually decreasing from the middle to the front and back ends. When in use, the fecal pellet outlet 26 of the bin body 2 is just below the fecal pellet outlet 26, so that the fecal pellets will gather to the middle position of the bottom surface along the inner wall surface of the bin body 2, so that the fecal pellets can pass through the fecal pellet outlet 26, the fecal pellet through hole and enter the fecal pellet treatment mechanism 8.

[0034] In order to make the structure of the switch mechanism 7 more reasonable, Figure 1 、 Figure 2 、 Figure 9As shown, the switch mechanism 7 comprises a mounting plate 71, a pushing arm 72, a switch motor 73 and a rotating arm 74; the mounting plate 71 is mounted on the base 1; the pushing arm 72 is rotatably mounted on the mounting plate 71, one end of the pushing arm 72 is provided with a pushing long hole 721, the other end of the pushing arm 72 is provided with a roller 722, the rotatable connection between the pushing arm 72 and the mounting plate 71 is located between the pushing long hole 721 and the roller 722, and the rotatable connection between the pushing arm 72 and the mounting plate 71 is arranged close to the pushing long hole 721; the rotating axis of the pushing arm 72 relative to the mounting plate 71, the hole axis of the pushing long hole 721 and the rotating axis of the roller 722 are all arranged along the front-back direction; the switch motor 73 is mounted on the mounting plate 71, and the rotating axis of the rotating shaft of the switch motor 73 is arranged along the front-back direction; one end of the rotating arm 74 is mounted on the rotating shaft of the switch motor 73, and the other end of the rotating arm 74 is provided with a pushing column 741 extending into the pushing long hole 721. The switch mechanism 7 of the embodiment is mounted in the base 1, and the pushing overhole 14 for the pushing arm 72 and the roller 722 to move out is formed on the base 1. In use, the switch motor 73 drives the rotating arm 74 to rotate, so that the pushing column 741 pushes the pushing arm 72 to rotate, so that the roller 722 of the pushing arm 72 touches the cover plate 27 and opens the cover plate 27. This structure of the pushing arm 72 pushing the cover plate 27 to open by a lever will be more labor-saving, and is beneficial to improving the service life of the switch motor 73.

[0035] In order to make the pet toilet convenient to clean can realize automatic cleaning of the fecal mass, such as Figure 1 、 Figure 2 、 Figure 3As shown, the convenient pet toilet further comprises a main control module 9 and a rotating driving mechanism; the base 1 is provided with a rear shell 13, which is located at the rear of the bin body 2; the rotating driving mechanism comprises a rotating motor, a driving gear 10 and an annular rack 20; the driving gear 10 is rotatably installed on the rear shell 13, and the rotation axis of the driving gear 10 is arranged in the front-rear direction; the rotating motor is installed on the rear shell 13 (the rotating motor is located in the rear shell 13, which is not shown in the drawings), and is used to drive the driving gear 10 to rotate; the annular rack 20 is arranged on the back of the bin body 2, and is engaged with the driving gear 10; the main control module 9 is installed on the base 1; the first sensor and the second sensor are arranged on the rear shell 13 along the annular rack 20; a pet sensing sensor is arranged in the bin body 2, and a sensing piece is arranged on the back of the bin body 2 (the sensing piece, the pet sensing sensor, the first sensor and the second sensor are not shown in the drawings); the sensing piece of the embodiment is an electromagnet, the first sensor and the second sensor are Hall switch sensors, and the pet sensing sensor is an infrared sensing sensor; the first sensor, the second sensor, the pet sensing sensor, the fecal ball processing mechanism 8, the switch motor 73 and the rotating motor are electrically connected with the main control module 9; when the first sensor senses the sensing piece, at this time the fecal ball outlet 26 of the bin body 2 is arranged downward and opposite to the fecal ball through hole on the base 1; when the second sensor senses the sensing piece, at this time the fecal ball outlet 26 of the bin body 2 is arranged upward. Such a structure, in the use process, when the pet sensing sensor senses that the pet walks out of the bin body 2, the pet sensing sensor will send a signal to the main control module 9, at this time the main control module 9 will control the rotating motor to drive the bin body 2 to rotate, and after the bin body 2 rotates to the preset time in the main control module 9, the fecal ball outlet 26 of the bin body 2 will reach the position where the switch mechanism 7 is located, at this time the main control module 9 will control the switch mechanism 7 to open the cover plate 27; then when the first sensor senses the sensing piece, the first sensor will send a first signal to the main control module 9, and the main control module 9 will first control the rotating motor to stop rotating, and finally control the fecal ball processing mechanism 8 to start cleaning the fecal ball; after the fecal ball processing work is completed, the main control module 9 first controls the switch motor 73 to act, so that the cover plate 27 is placed on the fecal ball outlet 26 of the bin body 2, and then controls the rotating motor to rotate reversely, and when the second sensor senses the sensing piece, the second sensor will send a second signal to the main control module 9, at this time the main control module 9 will control the rotating motor to stop working.

Claims

1. A pet toilet which is easy to clean, comprising a base and a housing; the housing is rotatably mounted on the base, the rotation axis of the housing relative to the base is arranged in the front-rear direction, and a sand basin is mounted in the housing; characterized in that: The front end surface of the bin body is formed with a drawer opening and a pet passing opening in communication with the inner cavity thereof; the sand basin is in the form of a drawer and is loaded into the bin body from the drawer opening; the bin body further comprises a front cover which is detachably mounted on the front end surface of the bin body, the front cover blocks the front end surface of the sand basin, and the front cover is formed with a pet access opening opposite the pet passing opening.

2. A self-cleaning pet litter box according to claim 1, wherein: The sand basin comprises a basin body and a basin framework; the basin body is made of soft material, the four peripheral edges of the basin body are connected with the basin framework, and the basin body is in the form of a drawer and is mounted in the bin body through the basin framework.

3. A self-cleaning pet litter box according to claim 2, wherein: The basin framework comprises an upper frame body and a lower frame body; the upper frame body comprises a frame portion and a handle portion; the handle portion is connected with the front side of the frame portion; the lower frame body is in the form of a frame structure, the frame opening edge of the lower frame body is outwardly bent to form a clamping edge; the basin opening edge of the basin body is outwardly bent to form a clamping edge; the basin opening of the basin body faces the upper frame body, the lower part of the basin body passes through the lower frame body, and the frame portion of the upper frame body, the clamping edge of the basin body and the clamping edge of the lower frame body are sequentially stacked and fixed together, so that the upper frame body, the basin body and the lower frame body are connected together.

4. A self-cleaning litter box according to claim 2, wherein: The sand basin further comprises two sealing strips; the basin framework is formed with two sleeving edges, the two sleeving edges are respectively located on the left and right sides of the basin framework, and the length direction of the sleeving edges is arranged along the front and back directions; each sealing strip is formed with a sleeving groove on one side edge thereof, the two sealing strips correspond to the two sleeving edges one by one, the sleeving groove of the sealing strip is sleeved on the sleeving edge corresponding thereto, and the other side edge of each sealing strip is tightly attached to the inner wall of the bin body to block the gap between the left and right sides of the basin framework and the inner wall of the bin body.

5. The self-cleaning litter box of claim 1, wherein: Two supporting edges and a top pressing block are formed in the bin body; the two supporting edges are respectively located on the inner circumferential surface of the bin body, and the length direction of each supporting edge is arranged along the front and back directions; the top pressing block is arranged on the rear wall surface of the bin body; the rear end of the sand basin enters the bin body from the drawer opening, the two side edges of the sand basin arranged along the front and back directions slide along the two supporting edges and are supported by the supporting edges, the rear wall surface of the sand basin abuts against the rear wall surface of the bin body, and the rear side edge of the sand basin abuts against the top pressing block from the side away from the supporting edge, and the front end of the sand basin is limited in the drawer opening, so that the sand basin is in the form of a drawer and is loaded into the bin body and positioned in the bin body.

6. The self-cleaning litter box of claim 1, wherein: The front end surface of the bin body is provided with a plurality of clamping blocks; each clamping block is protruded from the front end surface of the bin body and arranged in the form of a rotating ring, and the pet passing opening is located in the rotating ring; the front cover is formed with an embedded recess on the side facing the bin body, and the pet access opening is in communication with the embedded recess; the cross section of the embedded recess is circular, a plurality of clamping portions are formed on the inner circumferential surface of the embedded recess, and all the clamping portions are arranged in the form of a ring; the embedded recess of the front cover is sleeved on the rotating ring, all the clamping portions on the front cover correspond to all the clamping blocks on the bin body one by one, the front cover is rotated relative to the bin body by surrounding the rotating ring, so that the corresponding clamping portions and clamping blocks are clamped, and the front cover is mounted on the bin body.

7. The self-cleaning litter box of claim 1, wherein: A partition is installed in the bin body, which divides the inner cavity of the bin body into a pet accommodating space and a pet litter filtering space; a litter box is arranged in the pet accommodating space; the pet litter filtering space is formed with a litter filtering opening arranged near the opening of the litter box; the partition is formed with a limiting groove at each of the front and rear ends of the side edge for forming the litter filtering opening; a sieve plate is arranged on the litter filtering opening; the sieve plate is formed with a limiting portion at each of the front and rear ends of the side edge away from the litter box; the two limiting portions of the sieve plate are correspondingly embedded in the two limiting grooves of the partition, and the corresponding limiting portions are rotatably installed in the limiting grooves, so that the sieve plate can rotate relative to the partition, and the rotation axis of the sieve plate relative to the partition is arranged in the front-rear direction.

8. A self-cleaning pet litter box according to claim 7, wherein: A fecal mass outlet is arranged on the circumferential surface of the bin body, which is communicated with the pet accommodating space and the outside, and the fecal mass outlet is opposite to the opening of the litter box; a cover plate is rotatably installed in the bin body, and a return spring is arranged between the cover plate and the bin body; the return spring is used to push the cover plate to move outward from the bin body to close the fecal mass outlet; a switching mechanism and a fecal mass treatment mechanism are installed on the base; a fecal mass through hole is arranged on the base, and the fecal mass treatment mechanism is provided with a fecal mass inlet opposite to the fecal mass through hole; the switching mechanism is used to push the cover plate to open against the return spring.

9. A self-cleaning pet litter box according to claim 8, wherein: The switching mechanism comprises a mounting plate, a pushing arm, a switching motor and a rotating arm; the mounting plate is installed on the base; the pushing arm is rotatably installed on the mounting plate, one end of the pushing arm is provided with a pushing long hole, the other end of the pushing arm is provided with a roller, the rotating connection between the pushing arm and the mounting plate is located between the pushing long hole and the roller, and the rotating connection between the pushing arm and the mounting plate is arranged near the pushing long hole; the rotation axis of the pushing arm relative to the mounting plate, the hole axis of the pushing long hole and the rotation axis of the roller are all arranged in the front-rear direction; the switching motor is installed on the mounting plate, and the rotation axis of the rotating shaft of the switching motor is arranged in the front-rear direction; one end of the rotating arm is installed on the rotating shaft of the switching motor, and the other end of the rotating arm is provided with a pushing column extending into the pushing long hole.

10. A self-cleaning litter box according to claim 9, wherein: Further comprising a main control module and a rotating driving mechanism; a rear shell is arranged on the base, and the rear shell is located at the rear of the bin body; the rotating driving mechanism comprises a rotating motor, a driving gear and an annular rack; the driving gear is rotatably installed on the rear shell, and the rotation axis of the driving gear is arranged in the front-rear direction; the rotating motor is installed on the rear shell, and the rotating motor is used to drive the driving gear to rotate; the annular rack is arranged on the back surface of the bin body, and the annular rack is engaged with the driving gear; the main control module is installed on the base; a first sensor and a second sensor are arranged on the rear shell, and the first sensor and the second sensor are arranged along the annular rack; a pet sensing sensor is arranged in the bin body, and a sensing member is arranged on the back surface of the bin body; the first sensor, the second sensor, the pet sensing sensor, the switching motor and the rotating motor are electrically connected with the main control module; when the first sensor senses the sensing member, at this time, the fecal mass outlet of the bin body is arranged downward and opposite to the fecal mass through hole on the base; when the second sensor senses the sensing member, at this time, the fecal mass outlet of the bin body is arranged upward.

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