Pet toilet

Abstract

The present application discloses a pet toilet capable of preventing the sand bin from rubbing with pet sand particles falling between the sand bin and the base. The technical scheme of the present application is as follows: a pet toilet comprises a shell, a driving device and a sand bin for pet excretion, the shell is provided with an entrance and exit, the shell comprises a base and an upper cover, the upper cover is adapted to cover the base, the base is provided with an excretion port and a recess adapted to accommodate at least a part of the sand bin, and the excretion port is arranged on the recess; the sand bin is provided with an opening, the driving device can drive the sand bin to rotate relative to the excretion port within a preset angle range, so that the entrance and exit is aligned with the opening to facilitate the pet to enter and exit the sand bin, or the opening is aligned with the excretion port to discharge the excrement in the sand bin, and at least one guide groove is arranged on the recessed surface of the recess, the guide groove extends to the excretion port along the rotation direction of the sand bin.

Description

Technical Field

[0001] This invention relates to the field of pet product technology, and in particular to a pet toilet. Background Technology

[0002] With the continuous improvement of people's living standards, more and more families are keeping pets, especially felines or canines. To meet market demand, smart pet toilets have emerged, which automatically separate pet excrement from pet litter. Common pet toilets on the market typically consist of a main body, a litter bin, and a waste collection box. The litter bin is located inside the main body, and the waste collection box is located below it. The main body has an outlet leading to the waste collection box. The litter bin is relatively large, and becomes heavier when filled with pet litter. To facilitate the rotation of the litter bin, a uniform gap is usually reserved between the litter bin and the main unit base. As the litter bin rotates within the main body, pet feces clumped with the litter enter the waste collection box through the outlet. In the process of developing this invention, the inventors discovered the following problem with existing pet toilets: when the litter bin rotates, large-sized pet litter particles or small clumps of pet litter particles can enter this reserved gap, causing abnormal noise due to friction between the litter bin and the pet litter during rotation, and even affecting the normal rotation of the litter bin. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the technical problem solved by the present invention is to provide a pet toilet that can prevent friction between the litter bin and the pet litter particles that fall between the litter bin and the base.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows: a pet toilet, including a shell, a driving device, and a litter box for pet excretion. The shell has an inlet and outlet, and includes a base and a top cover. The top cover is adapted to cover the base. The base has an outlet and a recess adapted to accommodate at least a portion of the litter box. The outlet is located on the recess. The litter box has an opening. The driving device can drive the litter box to rotate relative to the outlet within a preset angle range, so that the inlet and outlet are aligned with the opening to allow the pet to enter and exit the litter box, or so that the opening is aligned with the outlet to discharge excrement from the litter box. The recessed surface of the recess has at least one guide groove, which extends along the rotation direction of the litter box to the outlet.

[0005] Furthermore, in this technical solution, the depth of the recess in the guide groove away from the end of the discharge port is less than or equal to the depth of the recess connected to the end of the discharge port.

[0006] Furthermore, in this technical solution, the discharge port is located below the sand bin, and the width of the discharge port is greater than or equal to the width of the guide channel.

[0007] Furthermore, in this technical solution, the recess includes two sides connecting the sand chamber and an arc surface opposite to the opening when the sand chamber rotates. The discharge port is located at the lowest position of the recess, and the discharge port divides the arc surface into a front section and a rear section. The guide groove is provided on both the front section and the rear section.

[0008] Furthermore, this technical solution also includes a roller, which is disposed on the recess and supports the sand bin, and the roller is not located in the guide groove.

[0009] Furthermore, the rollers in this technical solution are provided with at least four, of which at least two are located in the front section and at least two are located in the rear section.

[0010] Furthermore, in this technical solution, the guide grooves on both the front and rear sections are provided as one, and the width of the guide groove is greater than or equal to the width of the opening; multiple rollers are provided and are located separately on both sides of the two guide grooves; there is a gap between the sand chamber and the arc surface, and the gap is set in the range of 2-5 mm.

[0011] Furthermore, in this technical solution, the roller is located on both sides near the recess, and the depth of the recess in the guide groove connecting the end of the discharge port ranges from 2 to 8 mm.

[0012] Furthermore, the guide channel in this technical solution is also equipped with a UVC ultraviolet lamp, and the ultraviolet rays emitted by the UVC ultraviolet lamp can irradiate the space where the guide channel connects to the discharge port.

[0013] Furthermore, in this technical solution, the top cover is detachably placed on top of the sand hopper, and the base or the top cover is provided with a retainer. The base and the top cover are each provided with a handle. After the top cover is placed on the base, the two handles are stacked together, and the retainer can fit the two handles to fix the base and the top cover into one piece.

[0014] The beneficial effects of the technical solution provided by the present invention mainly include: since the recessed surface of the recess is provided with a guide groove, and the guide groove extends to the discharge port along the rotation direction of the litter box, the pet litter that falls between the litter box and the base can quickly slide to the discharge port through the guide groove. Therefore, it can prevent the pet litter particles that fall between the litter box and the base (recessed surface) from rubbing against the litter box and the base when the litter box is rotating, which would cause abnormal noise or affect the normal operation of the litter box. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural view of the pet toilet in an embodiment of the present invention;

[0017] Figure 2 yes Figure 1 A structural breakdown diagram of a pet toilet in China;

[0018] Figure 3 A three-dimensional view of the base from a first perspective in an embodiment of the present invention;

[0019] Figure 4 This is a perspective view of the base structure from a second perspective, representing an embodiment of the invention.

[0020] Figure 5 This is a diagram showing the litter box in a state of about to be used after half of the outer shell of a pet toilet has been removed.

[0021] Figure 6 This is a diagram showing the litter box in the excretion state after half of the outer shell of a pet toilet has been removed;

[0022] Figure 7 This is a three-dimensional view of the structure of the base equipped with a UVC ultraviolet lamp in the embodiment of the invention. Detailed Implementation

[0023] To make the technical problems to be solved, the technical solutions, and the beneficial effects of the present invention clearer, the present invention will be further described in detail below with reference to embodiments and accompanying drawings. It should be understood that the specific embodiments described in this section are only for explaining the present invention and are not intended to limit the present invention.

[0024] In this invention, the term "pet" mainly refers to common feline or canine animals; the terms "upper" and "lower" indicate the positional relationship of the waste collection box in the vertical direction when it is placed horizontally; the terms "front" and "back" indicate the positional relationship of the waste collection box in the horizontal position, with the side closer to the inlet / outlet being the front and the side farther from the inlet / outlet being the back.

[0025] like Figure 1 , Figure 2 , Figure 3As shown, this is a preferred embodiment of the present invention, which provides a pet toilet 100. The pet toilet 100 includes a shell 110, a litter box 120 for pet excretion, a drive unit 130, and a waste collection box 140. The shell 110 has an inlet / outlet 111. The shell 110 includes a base 150 and a top cover 160, wherein part of the inlet / outlet 111 is located on the base 150 and part is located on the top cover 160. The drive unit 130 is located inside the base 150 and includes a motor (not shown) and a pinion. The pinion is fixed on the motor shaft. The drive unit 130 drives the pinion to mesh with a large gear 122 fixed on the litter box 120 to drive the litter box 120 to rotate.

[0026] like Figure 2 , Figure 3 As shown, the base 150 has a discharge port 151 and a recess 152 suitable for accommodating a portion of the litter bin 130. The overall shape of the recess 152 is adapted to the shape of the portion of the litter bin 120 that is accommodated. The discharge port 151 is located on the recess 152 and is situated below the litter bin 120. The litter bin 120 has an opening 121. The drive device 130 drives the litter bin 120 to rotate relative to the discharge port 151 within a preset angle range, so that the inlet / outlet 111 is aligned with the opening 121 to facilitate the pet's entry and exit from the litter bin 120, or to align the opening 121 with the discharge port 151 to discharge excrement from the litter bin 120. The recessed surface of the recess 152 has guide grooves 1521 and 1522, which extend along the rotation direction of the litter bin 120 to the discharge port 151. Guide grooves 1521 and 1522 are recessed into the inner surface of recess 152, and the gap between guide grooves 1521 and 1522 and litter bin 120 is larger than the outer dimensions of pet litter particles (such as cat litter when raising cats).

[0027] In this embodiment, the depth of the recesses in the guide grooves 1521 and 1522 at the ends away from the discharge port 151 is less than the depth of the recess at the end connected to the discharge port 151 (i.e., the depth at the end connected to the discharge port 151 is deeper). In other embodiments, the depths of the guide grooves 1521 and 1522 recessed into the inner surface of the recess 152 can be set to be the same, in which case the depth of the recesses in the guide grooves 1521 and 1522 at the ends away from the discharge port 151 is equal to the depth of the recess at the end connected to the discharge port 151.

[0028] like Figure 3 , Figure 4As shown, the recess 152 includes two side surfaces 1523 and 1524 and an arc surface opposite to the opening 121 when the sand hopper 120 rotates. The two side surfaces 1523 and 1524 and the arc surface are similar in shape to the sand hopper 120. Guide grooves 1521 and 1522 extend from top to bottom along the arc surface of the recess 152 toward the discharge port 151. A connecting frame 158 for connecting the sand hopper 120 is provided above the two side surfaces 1523 and 1524. The discharge port 151 is located in the middle of the recess 152 and at its lowest point. The discharge port 151 divides the arc surface of the recess 152 into a front section 1526 and a rear section 1525. The front section 1526 is provided with a guide groove 1522, and the rear section 1525 is provided with a guide groove 1521. The width of the discharge port 151 is greater than (or equal to) the width of the guide grooves 1521 and 1522.

[0029] like Figure 3 , Figure 4 As shown, the base 150 is also equipped with rollers 154, which are located on the arc surface of the recess 152 to support the sand chamber 120. The rollers 154 are not located within the guide grooves 1521 and 1522. Four rollers 154 are provided, two located at the front section 1526 and two at the rear section 1525. The rollers 154 are positioned near the two sides 1523 and 1524 of the recess 152. After the sand chamber 120 is located within the recess 152, it abuts against the rollers 154. The rollers 154 are used to raise the sand chamber 120, creating a set gap between the sand chamber 120 and the arc surface, with the gap ranging from 2 to 5 mm.

[0030] Guide grooves 1521 and 1522 are configured as a single, continuous strip. The width of both guide grooves 1521 and 1522 is greater than (or equal to) the width of opening 121. Rollers 154 are located on both sides of guide grooves 1521 and 1522. The depth of the recess in guide grooves 1521 and 1522 at the point connecting to the discharge port 151 is set to a range of 2-8 mm. In this embodiment, the depth of the recess at the end furthest from the discharge port 151 is set to 4 mm, and the depth of the recess at the end connecting to the discharge port 151 is set to 9 mm.

[0031] like Figure 1 , Figure 2 , Figure 5 , Figure 6 As shown, the waste collection box 140 is connected to the base 150. The waste collection box 140 is provided with a waste collection port 141. After the waste collection box 140 is placed inside the base 150, the waste collection port 141 is located below the discharge port 151 to collect excrement. For example... Figure 5As shown, when the litter box 120 is rotating in the forward direction to discharge excrement, pet litter or excrement may fall onto the guide channel 1521 before the opening 121 is aligned with the discharge outlet 151. Similarly, when the litter box 120 is rotating in the reverse direction to discharge pet litter, there is a possibility that pet litter may fall onto the guide channel 1522 before the opening 121 is aligned with the discharge outlet 151.

[0032] like Figure 2 , Figure 3 , Figure 4 As shown, the upper cover 160 is adapted to be detachably fitted onto the base 150, with the upper cover 160 covering the sand chamber 120. The base 150 has a rotating sleeve 156 located around the periphery of the connecting frame 158. The base 150 has a portion of handle 157, and the upper cover 160 has a portion of handle 161. By rotating the sleeve 156, handles 161 and 157 can be engaged or disengaged. Specifically, when the upper cover 160 is on the base 150, handles 161 and 157 are stacked vertically. At this time, the sleeve 156 can be rotated to engage the two portions of handles 157 and 161, thus fixing the base 150 and the upper cover 160 as a single unit. Figure 1 As shown.

[0033] In other embodiments, such as Figure 7 As shown, a UVC ultraviolet lamp 155 can also be installed on the guide channel 1521 or / and the guide channel 1522. The ultraviolet rays emitted by the UVC ultraviolet lamp 155 can irradiate the space where the guide channel 1521 and the guide channel 1522 are connected to the discharge port 151.

[0034] Since the recessed surface of the recess 152 is provided with guide grooves 1521 and 1522, which extend along the rotation direction of the litter box 120 to the excretion port 151, the pet litter that falls between the litter box 120 and the base 150 can quickly slide to the excretion port 151 and enter the waste collection box 140 through the guide grooves 1521 and 1522. This prevents the pet litter particles that fall between the litter box 120 and the base 150 from rubbing against the litter box 120 and the base 150 when the litter box 120 is rotating, thus preventing abnormal noise or affecting the normal operation of the litter box 120.

[0035] The above specific examples illustrate the principles and implementation methods of the present invention. It should be understood that the above embodiments are only for the purpose of helping to understand the present invention and should not be construed as limiting the present invention. For those skilled in the art, any minor improvements or equivalent substitutions made to the structural form or construction of the present invention based on the concept of the present invention should be included within its protection scope.

Claims

1. A pet toilet comprising a housing, a driving device and a sand bin for pet excretion, the housing being provided with an entrance and exit, the housing comprising a base and a cover, the cover being adapted to cover the base, the base being provided with an excretion port and a recess adapted to accommodate at least a portion of the sand bin, the excretion port being provided on the recess; the sand bin being provided with an opening, the driving device being capable of driving the sand bin to rotate relative to the excretion port within a preset angle range, so that the entrance and exit is aligned with the opening for the pet to enter and exit the sand bin, or the opening is aligned with the excretion port to discharge the excretion in the sand bin, characterized in that: The recess is provided with at least one guide groove on the recess surface, the guide groove extends to the discharge port along the rotation direction of the sand bin, the recess depth of the end of the guide groove away from the discharge port is less than or equal to the recess depth of the end connected to the discharge port; the discharge port is located below the sand bin, and the width of the discharge port is greater than or equal to the width of the guide groove. ​ 2. The pet toilet of claim 1, wherein: The recess includes two side surfaces connected to the sand bin and an arc surface opposite to the opening during rotation of the sand bin, the discharge port is arranged at the lowest position of the recess, the discharge port divides the arc surface into a front section and a rear section, and the guide groove is arranged on the front section and the rear section.

3. The pet toilet of claim 2, wherein: Further comprising a roller, the roller is arranged on the recess and supports the sand bin, and the roller is not located in the guide groove.

4. The pet toilet of claim 3, wherein: The roller is provided with at least four rollers, at least two of which are arranged separately on the front section, and at least two of which are arranged separately on the rear section.

5. The pet toilet of claim 3, wherein: The guide groove on the front section and the rear section is arranged as one, and the width of the guide groove is greater than or equal to the width of the opening; the roller is arranged on both sides of the two guide grooves; there is a gap between the sand bin and the arc surface, and the gap is arranged in a range of 2-5mm.

6. The pet toilet according to claim 4 or 5, characterized in that: The roller is arranged separately close to the two side surfaces of the recess, and the recess depth of the end connected to the discharge port in the guide groove is in a range of 2-8mm.

7. The pet toilet according to any one of claims 1 to 5, characterized in that: The guide groove is further provided with a UVC ultraviolet lamp, and the ultraviolet light emitted by the UVC ultraviolet lamp can irradiate the space at the connection between the guide groove and the discharge port.

8. The pet toilet according to any one of claims 1 to 5, characterized in that: The upper cover is detachably arranged above the sand bin, the base or the upper cover is provided with a clamping sleeve, the base and the upper cover are respectively provided with a part of a handle, after the upper cover is arranged on the base, the two parts of the handle are stacked together, and the clamping sleeve can fit the two parts of the handle to fix the base and the upper cover as a whole.

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