Sand silo for pets and pet toilet

Abstract

The utility model discloses a sand silo for pets and a pet toilet, which are convenient to disassemble, assemble and clean. According to the technical scheme, the sand bin for the pets is arranged in a pet toilet for the pets to move or excrete, the sand bin comprises an upper shell, a lower shell, a front frame and a rear ring, the upper shell and the lower shell are detachably connected to form a sand bin body, the sand bin body is provided with a cavity for containing the pets and an inlet and outlet communicated with the cavity, and the front frame and the rear ring are detachably connected to form the sand bin body. The cavity and the inlet and outlet are both defined by the upper shell and the lower shell, the inlet and outlet is located in one end face of the sand silo body, and the rear ring is detachably arranged on the sand silo body in a sleeving mode and located at the end, away from the inlet and outlet, of the sand silo body so that the upper shell and the lower shell can be prevented from being separated; the front frame is a lantern ring and is detachably connected with the edge position of the inlet and outlet in the sand silo body in a sleeving mode so that the upper shell and the lower shell can be prevented from being separated.

Description

Technical Field

[0001] The utility model relates to the technical field of pet supplies, in particular to a pet litter box and a pet toilet. Background Art

[0002] With the continuous improvement of people's living standards, more and more families are starting to keep pets, especially cats or dogs. In real life, pets have become a member of many families, so the health of pets is as important as family members. Some smart pet toilets have appeared on the market, which have realized the automatic separation of pet excrement and pet litter. Among them, these smart pet toilets all include an important component-sand bin, which is used to accommodate pets and realize the separation of excrement and pet litter. Specifically, the small gear on the host drives the large gear on the sand bin to rotate to realize the automatic separation and reset of excrement. Therefore, when the pet excretes in the sand bin, the odor in the sand bin becomes stronger and stronger, which has a bad impact on the user's living environment. At present, there is no sand bin on the market that is easy for users to clean. How to facilitate the cleaning of the sand bin is a technical problem to be solved at present. Utility Model Content

[0003] In view of the deficiencies in the prior art, the technical problem solved by the utility model is to provide a pet litter box and a pet toilet that are easy to disassemble and assemble for easy cleaning.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a pet litter box, which is arranged in a pet toilet for pet activities or excretion, and the sand bin comprises an upper shell, a lower shell, a front frame and a rear ring. The upper shell and the lower shell are detachably connected to form a sand bin main body, and the sand bin main body is provided with a cavity for accommodating the pet and an entrance and exit connected to the cavity. The cavity and the entrance and exit are both surrounded by the upper shell and the lower shell, and the entrance and exit are located at one end face of the sand bin main body. The rear ring is detachably mounted on the sand bin main body and is located at an end away from the entrance and exit to prevent the upper shell and the lower shell from being separated; the front frame is a sleeve ring and is detachably sleeved on the edge of the entrance and exit on the sand bin main body to prevent the upper shell and the lower shell from being separated.

[0005] Furthermore, the lower shell in the present technical solution includes a first inner shell, a fixing frame and a first outer shell, the fixing frame and the first outer shell are connected as a whole through a limiting structure, the inner surface of the first inner shell facing the cavity is set to a smooth structure, the edge of the fixing frame is provided with a fixing groove, the first inner shell is provided with a fixing strip that can be inserted into the fixing groove, the fixing strip is located in the fixing groove, and after the upper shell is connected to the lower shell, the upper shell abuts against the first inner shell.

[0006] Furthermore, in the technical solution, the first inner shell is a flexible member, and the first outer shell is provided with air holes.

[0007] Furthermore, in the technical solution, a lug is extended sideways from the top surface of the first inner shell, the fixing strip is arranged at the bottom of the lug, and after the upper shell is connected to the lower shell, the upper shell abuts against the lug.

[0008] Furthermore, in the present technical solution, the first inner shell extends from the bottom of the cavity to the middle or above the middle.

[0009] Furthermore, the upper shell in the present technical solution includes a second inner shell and a second outer shell, the second inner shell and the second outer shell are sleeved as one, and the inner surface of the second inner shell facing the cavity is set to a smooth structure; a drain port is provided on the upper shell, and the drain port passes through the second inner shell and the second outer shell, and the second inner shell is provided with a flange at the edge of the drain port, and the flange passes through the drain port on the second outer shell.

[0010] Furthermore, in the technical solution, a sand filter net is detachably connected to the inner surface of the second inner shell, and the sand filter net is located in the cavity and separates a sand storage space.

[0011] Furthermore, the sand filter screen in the present technical solution is provided with a concave arc surface structure.

[0012] Furthermore, the ring and the sand bin body in the technical solution adopt a fixed connection scheme of a concave positioning point and a convex positioning point snap-fitting, or / and a fixed connection scheme of an elastic buckle, or / and a fixed connection scheme of a latch fitting.

[0013] Furthermore, the rear ring in the present technical solution is composed of multiple sections, one end of each section is movably connected by a hinge structure, and connecting holes are respectively provided on the unconnected head and tail free ends. The rear ring includes a pin bridge, and the head and tail free ends are fixed by plugging the pin bridge into the two connecting holes.

[0014] Furthermore, in the technical solution, a slot for accommodating at least a portion of the rear ring is provided on the sand bin body, a notch is provided on the side wall of the slot, and a protrusion matching the notch is correspondingly protruded on the rear ring.

[0015] Furthermore, in the technical solution, a slot for accommodating at least a portion of the rear ring is provided on the sand bin body, and two plug holes are provided on the slot, and the latch bridge first passes through the two plug holes and then extends into the two connecting holes.

[0016] Furthermore, the rear ring in the technical solution is provided with transmission teeth to form a gear structure, and the transmission teeth are used to adapt to the active parts in the pet toilet to rotate with the sand bin, and the transmission teeth are configured as bevel teeth.

[0017] Furthermore, in the technical solution, the angle formed between the axis of the rear ring and the axis of the active member is in the range of 10 degrees to 20 degrees.

[0018] Furthermore, the sand bin body in the technical solution is provided with a folded edge, the rear ring is sleeved on the folded edge, and the rear ring and the folded edge are fixedly connected by means of concave positioning points and convex positioning points, or / and elastic snap fit, or / and pin fit.

[0019] Furthermore, in the technical solution, at least two convex teeth are provided on the folded edge, and concave teeth matching the convex teeth are correspondingly provided on the rear ring, and the concave teeth are located on the inner surface of the transmission teeth in the rear ring.

[0020] Furthermore, the outer surface of the sand bin body in the technical solution is provided with a transmission tooth adapted to the active component in the pet toilet to drive the sand bin to rotate.

[0021] Furthermore, the upper shell and the lower shell in the technical solution are connected by snap-fitting to form a sand bin body, and one of the upper shell and the lower shell is provided with a plurality of hinged lock buckles, and the other is provided with corresponding matching snap positions.

[0022] Furthermore, the upper shell and the lower shell in the technical solution are connected by plug-in cooperation to form a sand bin body, and one of the upper shell and the lower shell is provided with a plurality of slots, and the other is provided with a corresponding plug-in.

[0023] Furthermore, the upper shell and the lower shell in the technical solution are connected by means of a latch to form a sand bin body, and a plurality of sockets are provided on the upper shell and the lower shell respectively, and a latch is interference-fitted in each socket.

[0024] The utility model also discloses a technical solution for a pet toilet, which comprises a litter bin and a main unit. The litter bin is arranged on the main unit and can be rotated by the main unit. The litter bin is a pet litter bin as described in any one of the above technical solutions.

[0025] Furthermore, after the sand bin in the technical solution is arranged on the main machine, the angle formed between the rotation axis of the sand bin and the horizontal plane ranges from 10 degrees to 20 degrees, and the angle formed between the center line of the inlet and outlet and the horizontal plane also ranges from 10 degrees to 20 degrees.

[0026] The beneficial effects brought about by the technical solution provided by the utility model are mainly as follows: since the sand bin includes several large parts, namely, an upper shell, a lower shell, a front frame and a rear ring, the upper shell and the lower shell are detachably connected to form a sand bin main body, the front frame is detachably sleeved on the sand bin main body and is located at the edge of the entrance and exit, and the rear ring is detachably sleeved on the sand bin main body and is located at an end away from the entrance and exit, so this solution of dividing the large sand bin into two parts, the upper and lower parts, will facilitate the user to clean the sand bin, and the two parts are connected and fixed by a detachable or easy-to-disassemble quick-release solution, which facilitates the disassembly and assembly of the sand bin before and after cleaning, thereby improving the user's experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. It is obvious that the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0028] Figure 1 It is a structural stereogram of a pet toilet in an embodiment of the utility model;

[0029] Figure 2 yes Figure 1 A three-dimensional diagram of the structure in which the middle upper cover and the sand bin are separated from the main engine;

[0030] Figure 3 This is a right side view of the structure of the pet toilet in the embodiment of the utility model;

[0031] Figure 4 This is a structural exploded view of the sand bin in the embodiment of the utility model;

[0032] Figure 5 This is a structural exploded state diagram of the lower housing in the embodiment of the utility model;

[0033] Figure 6 This is a structural exploded state diagram of the upper housing in the embodiment of the utility model;

[0034] Figure 7 This is a longitudinal section of the sand bin along the buckle position near the rear ring in the embodiment of the utility model;

[0035] Figure 8 This is a cross-sectional view of the structure of the sand bin in the embodiment of the utility model;

[0036] Fig. 9 This is a structural stereogram of the first rear ring in the embodiment of the utility model;

[0037] Fig.10This is an exploded view of the second rear ring and the sand bin body in the embodiment of the utility model;

[0038] Fig.11 It is a three-dimensional diagram of another state of the second rear ring in the embodiment of the utility model;

[0039] Fig.12 It is a structural stereogram of the front frame in the embodiment of the utility model;

[0040] Fig.13 This is a cross-sectional view of the structure in which the front frame is fixed to the edge of the entrance and exit in the embodiment of the utility model;

[0041] Fig.14 yes Fig.13 A partial enlarged view of the matching part of the front frame and the sand bin body circled in the middle. DETAILED DESCRIPTION

[0042] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments and drawings. It should be understood that the specific embodiments described in this section can only be used to explain the present invention, and are not used to limit the present invention.

[0043] In the description of the present invention, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] The term "pet" is used herein to mainly refer to common cats or canines. For ease of description, spatial relative terms can be used in the text to describe the relationship between an element or feature as shown in the accompanying drawings relative to another element or feature, and these relative terms are, for example, "front", "back", "circumferential", "periphery", "top", "one end", "end face", "outside", "high", "low", "bottom", "up", "down", "side", "inside", "lateral", etc. This spatial relative term is intended to include the different orientations of the mechanism in use or operation except the orientation depicted in the figure. For example, if the mechanism in the figure flips, the element described as "below other elements or features" or "below other elements or features" will be subsequently oriented to "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include the orientation on and below. The mechanism can be oriented in addition (rotated 90 degrees or in other directions) and the spatial relative descriptor used in the text is interpreted accordingly.

[0045] like Figure 1 , Figure 2 As shown, it is a pet toilet 100 provided by the preferred embodiment of the utility model, which includes a main unit 110, an upper cover 120 and a sand bin 130. The sand bin 130 has an entrance and exit 131 for pets to enter and exit, and the sand bin 130 is used for pet activities or excretion. The sand bin 130 is arranged on the main unit 110 and can be rotated by the transmission gear (active part 111) on the main unit 110. The upper cover 120 can be covered on the main unit 110 to cover the sand bin 130. After the upper cover 120 is covered on the main unit 110, the sand bin 130 is covered by the upper cover 120, and only the entrance and exit 131 of the sand bin 130 is exposed. After the sand bin 130 is arranged on the main unit 110, the sand bin 130 is in a slightly upward tilted form as a whole, and the angle formed between the rotation axis of the sand bin 130 and the horizontal plane is in the range of 10 degrees to 20 degrees. In this embodiment, Figure 3 As shown, the angle formed between the rotation axis of the sand bin 130 and the horizontal plane is 15 degrees. Since the center line of the entrance 131 and the rotation axis of the sand bin 130 in this embodiment are substantially in the same straight line, the angle formed between the center line of the entrance 131 and the horizontal plane is also in the range of 10 degrees to 20 degrees. The design of the entrance 131 tilting slightly upward can make the pet feel safer in the sand bin 130, and can also prevent the pet litter from falling out of the entrance 131.

[0046] like Figure 2 , Figure 4 , Figure 5 As shown, the sand bin 130 includes an upper shell 133, a lower shell 132, a front frame 135 and a rear ring 134. The upper shell 133 and the lower shell 132 are connected by snap fit (or / and plug fit or / and latch fit) to form the sand bin body 103. Specifically, as Figure 2 , Figure 7 As shown, one of the upper shell 133 and the lower shell 132 is provided with four articulated lock buckles 1325, and the other is correspondingly matched with a locking position 1335. After the articulated lock buckle 1325 is buckled on the locking position 1335, the upper shell 133 and the lower shell 132 are connected together to form the sand bin body 103.

[0047] like Figure 2 , Figure 4 , Figure 5As shown, the sand bin body 103 is provided with a cavity 136 for accommodating pets and an inlet and outlet 131 communicating with the cavity 136, and the cavity 136 and the inlet and outlet 131 are both surrounded by an upper shell 133 and a lower shell 132. The inlet and outlet 131 is located at one end surface of the sand bin body 103, and the rear ring 134 is detachably sleeved on the sand bin body 103 and is located at an end away from the inlet and outlet 131, and the axis of the rear ring 134 is substantially in the same straight line as the rotation axis of the sand bin 130. A portion of the rear ring 134 is connected to the upper shell 133, and a portion is connected to the lower shell 132, so as to fix the upper shell 133 and the lower shell 132 together to prevent the upper shell 133 and the lower shell 132 from separating. The front frame 135 is detachably connected to the sand bin body 103 and is located at the edge of the entrance 131. A portion of the front frame 135 is connected to the upper shell 133, and a portion is connected to the lower shell 132, so as to fix the upper shell 133 and the lower shell 132 together to prevent the upper shell 133 and the lower shell 132 from separating. Through the snap fit between the upper shell 133 and the lower shell 132, and the combined fixation of the rear ring 134 and the front frame 135, the sand bin 130 is fixed front, back, left, and right, and the upper shell 133 and the lower shell 132 can be stably combined together to form a stable sand bin 130 as a whole. Since the fixing schemes of the upper shell 133 and the lower shell 132 are both quick-release connection and fixing schemes, the disassembly and assembly of the sand bin 130 is convenient; and since this scheme can separate the large sand bin 130 into several small modules from the middle, the cleaning of the sand bin 130 is convenient.

[0048] In other embodiments, the upper shell 133 and the lower shell 132 can also be connected by plug-in cooperation to form the sand bin body 103; for example, one of the upper shell 133 and the lower shell 132 is provided with a plurality of slots, and the other is provided with a corresponding plug-in. The upper shell 133 and the lower shell 132 can also be connected by pin cooperation to form the sand bin body 103; for example, the upper shell 133 and the lower shell 132 are provided with a plurality of sockets, and each socket is provided with a pin in an interference fit.

[0049] like Figure 5As shown, the lower shell 132 includes a first inner shell 1321, a fixing frame 1322 and a first outer shell 1323. The fixing frame 1322 and the first outer shell 1321 are connected as a whole through a limiting structure (due to the concave setting of the buckle, the concave structure becomes a limiting structure). The first inner shell 1321 is a flexible member. A counterweight block is provided at the bottom of the first inner shell 1321 so that the first inner shell 1321 can be well fitted with the first outer shell 1321 when the sand bin 130 returns to the state for pet excretion. The first outer shell 1323 is provided with a vent hole 13231, and the inner surface of the first inner shell 1321 facing the cavity 136 is set as a smooth structure. The setting of the smooth structure can make the whole product look more beautiful, and it is easy to clean, does not hurt the hands, and is not easy to adhere to excrement. The first inner shell 1321 extends from the bottom of the cavity 136 to the middle (or above the middle). In this embodiment, the first inner shell 1321 occupies half (or more than half) of the space of the cavity 136. The edge of the fixing frame 1322 is provided with a fixing groove 13221, and the top surface of the first inner shell 1321 extends to the side with a lug 13211, and the bottom of the lug 13211 is provided with a fixing strip 13212 that can be inserted into the fixing groove 13221. After the lower shell 132 is assembled, the fixing strip 13212 is located in the fixing groove 13221. After the upper shell 133 and the lower shell 132 are connected, the upper shell 133 abuts against the upper end surface of the lug 13211, and at this time, the flexible first inner shell 1321 also plays a role in sealing the connection gap between the upper shell 133 and the lower shell 132. In addition, the fixing and blocking effects of the rear ring 134 and the front frame 135 sleeved on both ends of the sand bin body 103 make the sand bin 130 as a whole have no gaps, thereby enhancing the airtightness and aesthetics of the sand bin 130.

[0050] like Figure 6 As shown, the upper shell 133 includes a second inner shell 1331 and a second outer shell 1332, and the second inner shell 1331 and the second outer shell 1332 are connected as a whole through a limiting structure (due to the concave setting of the buckle, the concave structure becomes a limiting structure), and the inner surface of the second inner shell 1331 facing the cavity 136 is set as a smooth structure. The setting of the smooth structure can make the whole product look more beautiful, and it is easy to clean, does not hurt the hands, and is not easy to adhere to excrement. The bottom end surface of the second inner shell 1331 is set as a structure wider than other cross-sections in the second inner shell 1331, so as to facilitate the pressing of the lug 13211. The upper shell 133 is provided with an excretion port 1333, and the excretion port 1333 passes through the second inner shell 1331 and the second outer shell 1332. The second inner shell 1331 is provided with a flange 13311 at the edge of the excretion port 1333, and a part of the flange 13311 passes through the excretion port 1333 on the second outer shell 1332.

[0051] like Figure 6 , Figure 7As shown, a sand filter net 1334 is detachably connected to the inner surface of the second inner shell 1331, and the sand filter net 1334 is located in the cavity 136 and separates the sand storage space 137. The sand filter net 1334 is provided with a concave arc surface structure, and when the sand bin 130 is rotated to discharge, the concave arc surface structure can promote the discharge of excrement from the discharge port 1333. In other embodiments, when the upper shell 133 is not divided into an inner layer and an outer layer, the sand filter net 1331 can be detachably connected to the inner surface of such an upper shell, and the sand filter net 1334 is located in the cavity 136 and separates the sand storage space 137.

[0052] like Figure 4 , Figure 8 As shown, the rear ring 134 is provided with transmission teeth 1341 to form a gear structure. The transmission teeth 1341 are used to adapt to the active component 111 in the pet toilet 100 to rotate the sand bin 130. The transmission teeth 1341 are configured as bevel teeth. Specifically, the angle (axis angle) formed between the axis of the rear ring 134 and the axis of the active component 111 is in the range of 10 degrees to 20 degrees. In this embodiment, the angle formed between the axis of the rear ring 134 and the axis of the active component 111 is equal to the angle formed between the rotation axis of the sand bin 130 and the horizontal plane. The angle formed between the axis of the rear ring 134 and the axis of the active component 111 is selected to be 15 degrees. The angle formed between the tooth top surface of the transmission tooth 1341 and the rotation axis of the sand bin 130 is selected to be 13 degrees. As shown Figure 8 As shown, the front frame 135 in this embodiment is a collar, which surrounds the edge of the inlet and outlet 131, and the collar 135 and the sand bin body 103 are directly connected by a bolt. Specifically, the collar 135 and the sand bin body 103 are provided with through holes 1038, and the bolt is inserted into the through hole 1038 with interference fit.

[0053] like Figure 4 As shown, the sand bin body 103 is provided with a folded edge 1031, which is arranged around the outer surface of the upper shell 133 and the lower shell 132, and the rear ring 134 is fixedly sleeved on the folded edge 1031, and the rear ring 134 and the folded edge 1031 adopt a fixed connection scheme of latching. In other embodiments, the rear ring 134 and the folded edge 1031 can also adopt a fixed connection scheme of concave positioning points and convex positioning points snap-fitting or / and an elastic snap-fitting, and the details can be referred to the above description.

[0054] like Fig. 9 As shown, at least two convex teeth 1032 are provided on the folded edge 1031, and concave teeth 1342 matching the convex teeth 1032 are correspondingly provided on the rear ring 134, and the concave teeth 1342 are located on the inner surface of the transmission teeth 1341 in the rear ring 134. The arrangement of the convex teeth 1032 and the concave teeth 1342 can make the torque transmission of the rear ring 134 with the sand bin 130 rotating more reliable.

[0055] like Fig.10 , Fig.11 As shown, it is a schematic diagram of another fixed connection scheme between the rear ring 134 and the sand bin body 103. A permanent magnet 138 is also provided on the sand bin body 103. The permanent magnet 138 is used to cooperate with the reed switch or Hall switch (not shown) in the pet toilet 100 to form a Hall switch. The permanent magnet 138 is located on the end face of one end of the rear ring 134. A U-shaped card slot 1033 is provided on the sand bin body 103 to accommodate at least a part of the rear ring 134. The side wall of the card slot 1033 is evenly distributed with 8 notches 1034, and the rear ring 134 is correspondingly protruded with 8 protrusions 1344 that match the notches 1034. The setting of the notches 1034 and the protrusions 1344 can make the torque transmission of the rear ring 134 with the sand bin 130 rotating more reliable.

[0056] Another example Fig.10 , Fig.11 As shown, the rear ring 134 is composed of two sections, and the two sections are movably connected by a hinge structure so that the two sections in the rear ring 134 can be opened to a preset angle, and the front and rear free ends of the rear ring 134 are provided with connecting holes 1345. The rear ring 134 also includes a latch bridge 1343, and the latch bridge 1343 has two plug posts 13431 that are adapted to the two connecting holes 1345. A fixing structure 1036 is provided on the sand bin body 103, and the fixing structure 1036 can cooperate with the latch bridge 1343, so that the two plug posts 13431 enter the connecting holes 1345 to limit the relative movement of the latch bridge 1343, and the U-shaped card slot 1033 is provided with two plug holes 10331 that are adapted to the two plug posts 13431. When the rear ring 134 is to be fixed on the sand bin 130, the two sections of the rear ring 134 are first opened so that the rear ring 134 can pass through the side wall of the U-shaped slot 1033 and be inserted into the U-shaped slot 1033. Then, the two plug posts 13431 in the pin bridge 1343 first pass through the two plug holes 10331 and then through the two connecting holes 1345, so that the rear ring 134 is fixed in the U-shaped slot 1033 in a circular shape.

[0057] In another embodiment, Fig.12 , Fig.13 , Fig.14 As shown, the front frame 135 is a collar, and the front frame 135 surrounds the edge of the inlet and outlet 131. The collar 135 and the sand bin body 103 adopt a fixed connection solution of a concave positioning point 1035 and a convex positioning point 1352. Specifically, the collar 135 is provided with a plurality of elastic buckles 1351, each elastic buckle 1351 is provided with a convex positioning point 1352, and the sand bin body 103 is provided with a plurality of concave positioning points 1035 at the edge of the inlet and outlet 131. In other embodiments, the collar 135 and the sand bin body 103 can also adopt a fixed connection solution of elastic buckles.

[0058] In other embodiments, the front frame 135 can also be composed of two arc sleeves, which are symmetrically sleeved on the edge of the entrance 131; both arc sleeves have a portion connected to the upper shell 133 and a portion connected to the lower shell 132. The scheme of the arc sleeve connecting the upper shell 133 and the lower shell 132 can refer to the setting scheme of the latch bridge 1343.

[0059] In other embodiments, the driving teeth 1341 may also be directly disposed on the outer surface of the litter bin body 103 , so as to match with the active member 111 in the pet litter box 100 to rotate with the litter bin 130 .

[0060] The above specific examples are used to illustrate the principle and implementation of the present invention. It should be understood that the above implementation is only used to help understand the present invention and should not be construed as a limitation of the present invention. For those skilled in the art, any minor improvements or equivalent substitutions made to the structural form or structure of the present invention based on the idea of ​​the present invention should be included in its protection scope.

Claims

1. A pet litter box, which is located in a pet toilet for pets to move around or excrete, and is characterized by: The sand bin comprises an upper shell, a lower shell, a front frame and a rear ring; the upper shell and the lower shell are detachably connected to form a sand bin main body; the sand bin main body is provided with a cavity for accommodating pets and an entrance and exit connected to the cavity; the cavity and the entrance and exit are both surrounded by the upper shell and the lower shell; the entrance and exit are located at one end face of the sand bin main body; the rear ring is detachably sleeved on the sand bin main body and is located at an end away from the entrance and exit to prevent the upper shell and the lower shell from being separated; the front frame is a sleeve ring and is detachably sleeved on the edge of the entrance and exit on the sand bin main body to prevent the upper shell and the lower shell from being separated.

2. The pet litter box according to claim 1, characterized in that: The lower shell includes a first inner shell, a fixing frame and a first outer shell, the fixing frame and the first outer shell are connected as a whole through a limiting structure, the inner surface of the first inner shell facing the cavity is set to a smooth structure, the edge of the fixing frame is provided with a fixing groove, the first inner shell is provided with a fixing strip that can be inserted into the fixing groove, the fixing strip is located in the fixing groove, and after the upper shell is connected to the lower shell, the upper shell abuts against the first inner shell.

3. The pet litter box according to claim 2, characterized in that: The first inner shell is a flexible member, and the first outer shell is provided with air holes.

4. The pet litter box according to claim 3, characterized in that: A lug is extended from the top surface of the first inner shell toward the side, and the fixing strip is arranged at the bottom of the lug. After the upper shell is connected to the lower shell, the upper shell abuts against the lug.

5. The pet litter box according to claim 2, characterized in that: The first inner shell extends from the bottom of the cavity to the middle or above the middle.

6. The pet litter box according to claim 1, characterized in that: The upper shell includes a second inner shell and a second outer shell, the second inner shell and the second outer shell are sleeved as one, and the inner surface of the second inner shell facing the cavity is set to a smooth structure; a drain port is provided on the upper shell, and the drain port passes through the second inner shell and the second outer shell, and the second inner shell is provided with a flange at the edge of the drain port, and the flange passes through the drain port on the second outer shell.

7. The pet litter box according to claim 6, characterized in that: A sand filter net is detachably connected to the inner surface of the second inner shell, and the sand filter net is located in the cavity and separates a sand storage space.

8. The pet litter box according to claim 7, characterized in that: The sand filter screen is provided with a concave cambered surface structure.

9. The pet litter box according to claim 1, characterized in that: The sleeve ring and the sand bin body adopt a fixed connection scheme of a concave positioning point and a convex positioning point snap-fitting, or / and a fixed connection scheme of an elastic buckle, or / and a fixed connection scheme of a latch fitting.

10. The pet litter box according to claim 1, characterized in that: The rear ring is composed of multiple sections, one end of each section is movably connected by a hinge structure, and connecting holes are respectively provided on the unconnected free ends. The rear ring includes a pin bridge, and the free ends are fixed by plugging the pin bridge into the two connecting holes.

11. The pet litter box according to claim 10, characterized in that: The sand bin body is provided with a slot for accommodating at least a part of the rear ring, a side wall of the slot is provided with a notch, and a protrusion matching the notch is correspondingly protruded on the rear ring.

12. The pet litter box according to claim 10, characterized in that: The sand bin body is provided with a slot for accommodating at least a part of the rear ring, the slot is provided with two plug holes, and the latch bridge first passes through the two plug holes and then extends into the two connecting holes.

13. The pet litter box according to claim 1, characterized in that: The rear ring is provided with transmission teeth to form a gear structure, and the transmission teeth are used to match with the active parts in the pet toilet to drive the sand bin to rotate, and the transmission teeth are configured as bevel teeth.

14. The pet litter box according to claim 13, characterized in that: The angle formed between the axis of the rear ring and the axis of the active member is in the range of 10 degrees to 20 degrees.

15. The pet litter box according to claim 13, characterized in that: The sand bin body is provided with a folded edge, the rear ring is sleeved on the folded edge, and the rear ring and the folded edge are fixedly connected by using concave positioning points and convex positioning points for snap-fitting or / and elastic snap-fitting or / and latching.

16. The pet litter box according to claim 15, characterized in that: At least two convex teeth are arranged on the folded edge, and concave teeth matching the convex teeth are correspondingly arranged on the rear ring, and the concave teeth are located on the inner surface of the transmission teeth in the rear ring.

17. The pet litter box according to claim 1, characterized in that: The outer surface of the sand bin body is provided with a transmission tooth matched with the active component in the pet toilet to drive the sand bin to rotate.

18. The pet litter box according to any one of claims 1 to 17, characterized in that: The upper shell and the lower shell are connected by snap-fit ​​to form a sand bin body. One of the upper shell and the lower shell is provided with a plurality of hinged lock buckles, and the other is provided with corresponding matching snap positions.

19. The pet litter box according to any one of claims 1 to 17, characterized in that: The upper shell and the lower shell are connected by plug-in cooperation to form a sand bin main body. A plurality of slots are arranged on one of the upper shell and the lower shell, and a corresponding plug-in is matched on the other.

20. The pet litter box according to any one of claims 1 to 17, characterized in that: The upper shell and the lower shell are connected by means of a pin to form a sand bin body. A plurality of insertion holes are correspondingly arranged on the upper shell and the lower shell, and a pin is interference-fitted in each of the insertion holes.

21. A pet toilet, comprising a litter bin and a main unit, wherein the litter bin is arranged on the main unit and can be rotated by the main unit, characterized in that: The litter box is a pet litter box according to any one of claims 1 to 20.

22. The pet litter box according to claim 21, characterized in that: After the sand bin is arranged on the main machine, the angle formed between the rotation axis of the sand bin and the horizontal plane is in the range of 10 degrees to 20 degrees, and the angle formed between the center line of the inlet and outlet and the horizontal plane is also in the range of 10 degrees to 20 degrees.

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