Water drinking device for pets

Abstract

The utility model discloses a pet water drinking device which comprises a water tank, a filter element assembly, a circuit board arranged on the water tank and a water pumping mechanism electrically connected with the circuit board, and the water tank is provided with a water storage cavity used for storing water and a water drinking trough for a pet to drink water. The water pumping mechanism is arranged in the water storage cavity, and the water pumping mechanism is configured to enable water to circulate in the water storage cavity and the water drinking trough when the circuit board is driven. The filter element assembly comprises a water softening filter element used for softening water, a heavy metal filter element used for filtering heavy metal and a bacteriostatic and deodorant filter element used for removing peculiar smell, and the water softening filter element, the heavy metal filter element and the bacteriostatic and deodorant filter element are all arranged on the water tank and are configured to filter water in the water circulating period. The pet water purifier can effectively remove impurities, peculiar smell and heavy metals in circulating water, inhibit growth of bacteria, effectively purify water quality, guarantee sanitation and safety of pet drinking water, improve pet drinking water quality and facilitate growth, development and health of pets.

Description

Technical Field

[0001] The utility model relates to the technical field of pet supplies, in particular to a pet drinking device. Background Art

[0002] With the improvement of people's living standards, more and more families keep pets. In order to allow pets to drink more water, water dispensers that can flow out water have emerged on the market. And for the drinking health of pets, existing pet water dispensers generally filter water before discharging it. However, existing pet water dispensers generally use filter cotton to filter water. This filtering method cannot effectively remove the peculiar smell and bacteria in the water, resulting in the water quality becoming dirtier and dirtier as the use time increases, and the number of bacteria and viruses in the water body also increasing, thus bringing health risks to the pet's body. Moreover, the existing pet water dispensers have a loud water flow sound, increasing environmental noise and affecting the user experience. Summary of the Utility Model

[0003] The main purpose of the utility model is to provide a pet drinking device, which is used to solve the problems that existing pet water dispensers cannot effectively remove peculiar smells and sterilize, etc.

[0004] In order to solve the above technical problems, the technical solution provided by the utility model is as follows:

[0005] A pet drinking device, comprising:

[0006] A water tank, on which a water storage cavity for storing water and a drinking trough for pets to drink water are provided;

[0007] A circuit board provided on the water tank;

[0008] A water pumping mechanism electrically connected to the circuit board, the water pumping mechanism is arranged in the water storage cavity, and the water pumping mechanism is configured to circulate water in the water storage cavity and the drinking trough when driven by the circuit board;

[0009] A filter element assembly, the filter element assembly includes a water softening filter element for softening water quality, a heavy metal filter element for filtering heavy metals, and an antibacterial and deodorizing filter element for removing peculiar smells. The water softening filter element, the heavy metal filter element, and the antibacterial and deodorizing filter element are all arranged on the water tank and are configured to filter water during the circulation of water.

[0010] Furthermore, the material of the antibacterial and deodorizing filter element is activated carbon or contains nano mineral crystal elements.

[0011] Further, a filter element housing, a drinking water outlet and a return water channel are provided on the water tank. The filter element housing is arranged on the return water channel, and the drinking water outlet is communicated with a water pumping mechanism and a drinking trough; the return water channel includes: a water return port opened on the water tank and on the side wall of the drinking trough, at least three communicating accommodation cavities arranged in the direction of circulating water in the filter element housing, and a filter element water inlet and a filter element water outlet opened on the filter element housing;

[0012] The water return port is communicated with the filter element water inlet. The two sides of the filter element water inlet are respectively communicated with the accommodation cavity at one end and the return water channel. The two sides of the filter element water outlet are respectively communicated with the accommodation cavity at the other end and the water storage cavity. The antibacterial and deodorizing filter element, the water softening filter element and the heavy metal filter element are respectively installed in one accommodation cavity;

[0013] The bottom surface of the accommodation cavity is higher in height on the side close to the filter element water inlet than on the side close to the filter element water outlet.

[0014] Further, the return water channel further includes a buffer tank opened at the top of the filter element housing. The two ends of the buffer tank are respectively communicated with the water return port and the filter element water inlet, and the buffer tank is inclined downward in the direction close to the filter element water inlet.

[0015] Further, a partition is arranged between every two adjacent accommodation cavities. The return water channel further includes: a first water passing channel opened on the filter element housing, a first water passing port opened at the top of the partition close to the filter element water inlet side, and a second water passing port opened at the bottom of the partition close to the filter element water outlet side;

[0016] The buffer tank is communicated with the filter element water inlet through the first water passing channel. The filter element water inlet is opened at a position close to the bottom of the accommodation cavity. The first water passing port is communicated with the filter element water inlet through the accommodation cavity. The second water passing port is communicated with the filter element water outlet through the accommodation cavity;

[0017] The return water channel further includes a second water passing channel arranged on the water tank. The second water passing channel is located on the filter element housing, and the two ends of the second water passing channel are respectively communicated with the buffer tank and the water return port.

[0018] Further, the filter element housing includes a filter element front shell and a filter element bottom shell. The filter element front shell and the filter element bottom shell are connected to form an accommodation cavity, a first water passing channel and a filter element water inlet. The buffer tank is located at the top of the filter element front shell. The partition is located on the filter element front shell. The filter element water outlet is located on the filter element bottom shell.

[0019] Further, a water flow groove is formed at the top of the water tank. The water flow groove is communicated with the drinking trough. The height of the water flow groove at the end communicated with the drinking trough is lower than the height at the end far away from the drinking trough. The drinking water outlet is arranged at the bottom surface of the water flow groove and at the position of the end far away from the drinking trough.

[0020] Further, the water tank includes a main body bottom shell and an upper main body detachably connected to the main body bottom shell. The water storage cavity is formed by the connection of the upper main body and the main body bottom shell. The drinking water outlet, the water return port, the water pumping mechanism, and the circuit board are all arranged on the upper main body; the filter element housing is detachably arranged on the upper main body.

[0021] Further, a storage groove for accommodating the filter element housing is formed at the bottom of the upper main body. A supporting block protrudes from the side wall of the upper main body corresponding to the storage groove. An abutting block is arranged on the filter element housing and is used in cooperation with the supporting block. The abutting block is located above the supporting block when the filter element housing is placed in the storage groove.

[0022] Further, the upper main body includes an intermediate shell and a main body face shell connected to the intermediate shell to form an installation cavity. The circuit board is arranged on the installation cavity. The water storage cavity is surrounded by the intermediate shell and the main body bottom shell. The drinking water outlet and the water return port are both arranged on the main body face shell. The water pumping mechanism is communicated with the drinking water outlet through a pipeline, and the pipeline passes through the intermediate shell.

[0023] The utility model has the following beneficial effects: Compared with the prior art, by arranging a water quality softening filter element, an antibacterial and deodorant filter element, and a heavy metal filter element on the water circulation path, and using the water quality softening filter element to soften the water quality, using the antibacterial and deodorant filter element to remove the peculiar smell in the circulating water, and using the heavy metal filter element to remove the heavy metals in the circulating water, thus, impurities, peculiar smell, heavy metals in the circulating water can be effectively removed, and the growth of bacteria can be inhibited, the water quality can be effectively purified, the hygiene and safety of pet drinking water can be ensured, the drinking water quality of pets can be improved, and it is helpful for the growth and development and health of pets. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0025] Figure 1 is a three-dimensional view of the present utility model;

[0026] Figure 2 is a three-dimensional view of another perspective of the present utility model;

[0027] Figure 3 This is an exploded view of the upper main body and the main body bottom shell of the present utility model;

[0028] Figure 4 This is a sectional view of the present utility model cut along the center line direction of the filter element assembly;

[0029] Figure 5 This is a schematic diagram of the present utility model after removing the main body bottom shell;

[0030] Figure 6 This is an exploded view of the upper main body and the filter element housing of the present utility model;

[0031] Figure 7 This is a perspective view of the filter element housing of the present utility model;

[0032] Figure 8 This is an exploded view of the filter element housing of the present utility model;

[0033] Figure 9 This is a partial exploded view of the present utility model after removing the main body bottom shell and the water pumping mechanism. Specific embodiments

[0034] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0035] Referring to the attached Figures 1-9 , a pet drinking device 100 in an embodiment of the present utility model.

[0036] A pet drinking device 100 includes a water tank 1, a filter element assembly 4, a circuit board 8 disposed on the water tank 1, and a water pumping mechanism 3 electrically connected to the circuit board 8. A water storage cavity 130 for storing water and a drinking trough 112 for pets to drink water are provided on the water tank 1. The water pumping mechanism 3 is disposed in the water storage cavity 130 and is configured to circulate water between the water storage cavity 130 and the drinking trough 112 when driven by the circuit board 8. The filter element assembly 4 includes a water softening filter element 42 for softening water quality, a heavy metal filter element 43 for filtering heavy metals, and an antibacterial and deodorizing filter element 41 for removing odors. The water softening filter element 42, the heavy metal filter element 43, and the antibacterial and deodorizing filter element 41 are all disposed on the water tank 1 and are configured to filter water during the circulation of water.

[0037] In this embodiment, the pet drinking water device 100 is configured with a water softening filter element 42, an antibacterial and deodorizing filter element 41, and a heavy metal filter element 43 on the water circulation path. The water softening filter element 42 is used to soften the water quality, the antibacterial and deodorizing filter element 41 is used to remove the odor in the circulating water, and the heavy metal filter element 43 is used to remove the heavy metals in the circulating water. Thus, impurities, odors, heavy metals in the circulating water can be effectively removed, the growth of bacteria can be inhibited, the water quality can be effectively purified, the hygiene and safety of pet drinking water can be ensured, the drinking water quality of pets can be improved, and it is helpful for the growth and development and health of pets.

[0038] In one embodiment, the material of the antibacterial and deodorizing filter element 41 includes nano mineral crystal elements. Among them, the use of nano mineral crystal elements can effectively improve the drinking water quality and is helpful for the growth and development and health of pets. In other embodiments, the antibacterial and deodorizing filter element 41 can also be activated carbon or the like.

[0039] In one embodiment, a filter element housing 5, a drinking water outlet 114, and a return water channel 6 are provided on the water tank 1. The filter element housing 5 is provided on the return water channel 6, and the drinking water outlet 114 is communicated with the pumping mechanism 3 and the drinking trough 112. The return water channel 6 includes: a water return port 64 opened on the water tank 1 and located on the side wall of the drinking trough 112, at least three communicating accommodation cavities 510 arranged in the direction of the circulating water and provided in the filter element housing 5, and a filter element water inlet 62 and a filter element water outlet 512 opened on the filter element housing 5. The water return port 64 is communicated with the filter element water inlet 62. The two sides of the filter element water inlet 62 are respectively communicated with the accommodation cavity 510 at one end and the return water channel 6. The two sides of the filter element water outlet 512 are respectively communicated with the accommodation cavity 510 at the other end and the water storage cavity 130. The antibacterial and deodorizing filter element 41, the water softening filter element 42, and the heavy metal filter element 43 are respectively installed in one accommodation cavity 510.

[0040] By configuring the filter element housing 5 on the return water channel 6, the filter element assembly 4 can be installed in a limited position, and the multiple accommodation cavities 510 arranged in the direction of the circulating water are used to respectively limit the filtration of the water softening filter element 42, the antibacterial and deodorizing filter element 41, and the heavy metal filter element 43. Thus, the circulating water can pass through the water softening filter element 42, the antibacterial and deodorizing filter element 41, and the heavy metal filter element 43 for filtration, so that each filter element can play a filtering role, effectively removing impurities, odors, heavy metals in the circulating water, inhibiting the growth of bacteria, effectively purifying the water quality, ensuring the hygiene and safety of pet drinking water, improving the drinking water quality of pets, and being helpful for the growth and development and health of pets.

[0041] In one embodiment, the antibacterial and deodorizing filter element 41, the water softening filter element 42, and the heavy metal filter element 43 are arranged in sequence along the direction close to the filter element water outlet 512. In this way, the water flowing back from the water return port 64 can first pass through the antibacterial and deodorizing filter element 41 to remove odors and inhibit the growth of microorganisms, then pass through the water softening filter element 42 to soften the water quality, and finally pass through the heavy metal filter element 43 to filter out heavy metals and then enter the water storage cavity 130.

[0042] In one embodiment, the bottom surface of the accommodating cavity 510 is higher on the side close to the filter element water inlet 62 than on the side close to the filter element water outlet 512, so as to allow water to flow smoothly from the filter element water inlet 62 to the filter element water outlet 512 and be discharged to the water storage cavity 130 through the filter element water outlet 512.

[0043] In one embodiment, the water return channel 6 further includes a buffer groove 67 opened at the top of the filter element housing 5. The two ends of the buffer groove 67 are respectively communicated with the water return port 64 and the filter element water inlet 62, and the buffer groove 67 is inclined downward along the direction close to the filter element water inlet 62. By configuring the buffer groove 67, the travel of the water in the drinking trough 112 flowing back into the water storage cavity 130 can be increased, and by arranging the buffer groove 67 to be inclined, the water flowing out from the water return port 64 can flow obliquely to the filter element assembly 4 after reaching the buffer groove 67, playing a role in buffering the water flow, so as to effectively reduce the noise generated by the water in the drinking trough 112 directly falling into the filter element from the water return port 64, and play a role in reducing noise.

[0044] In one embodiment, a partition 513 is provided between every two adjacent accommodating cavities 510. The water return channel 6 further includes: a first water passing channel 61 opened on the filter element housing 5, a first water passing port 63 opened at the top of the partition 513 on the side close to the filter element water inlet 62, and a second water passing port 66 opened at the bottom of the partition 513 on the side close to the filter element water outlet 512. The buffer groove 67 is communicated with the filter element water inlet 62 through the first water passing channel 61. The filter element water inlet 62 is opened at a position close to the bottom of the accommodating cavity 510. The first water passing port 63 is communicated with the filter element water inlet 62 through the accommodating cavity 510, and the second water passing port 66 is communicated with the filter element water outlet 512 through the accommodating cavity 510. By using the first water passing channel 61, the water in the buffer groove 67 can flow to the filter element water inlet 62 close to the bottom of the accommodating cavity 510, and by using the opening positions of the first water passing port 63 and the second water passing port 66, the contact area between the circulating water and the antibacterial and deodorizing filter element 41, the water softening filter element 42, and the heavy metal filter element 43 can be effectively increased, so as to make full use of the antibacterial and deodorizing filter element 41, the water softening filter element 42, and the heavy metal filter element 43 to filter water and improve the filtering effect.

[0045] In one embodiment, the return water channel 6 further includes a second water passing channel 65 provided on the water tank 1. The second water passing channel 65 is located on the filter element housing 5, and both ends of the second water passing channel 65 are respectively communicated with the buffer tank 67 and the water return port 64. By using the second water passing channel 65, the water flowing out from the water return port 64 can be guided into the buffer tank 67.

[0046] In one embodiment, the filter element housing 5 includes a filter element face shell 51 and a filter element bottom shell 52. The filter element face shell 51 and the filter element bottom shell 52 are connected to form a containing cavity 510, a first water passing channel 61 and a filter element water inlet 62. The buffer tank 67 is located at the top of the filter element face shell 51. A partition plate 513 is located on the filter element face shell 51, and a filter element water outlet 512 is located on the filter element bottom shell 52. Dividing the filter element housing 5 into the filter element face shell 51 and the filter element bottom shell 52 is convenient for the production and manufacture of the filter element assembly 4, and is also convenient for installing the antibacterial and deodorizing filter element 41, the water softening filter element 42 and the heavy metal filter element 43 in the containing cavity 510.

[0047] In one embodiment, a water flow groove 111 is further provided at the top of the water tank 1. The water flow groove 111 is communicated with the drinking water groove 112. The height of the water flow groove 111 at the end connected to the drinking water groove 112 is lower than the height at the end far from the drinking water groove 112. The drinking water outlet 114 is located at the bottom surface of the water flow groove 111 and is opened at the position of the end far from the drinking water groove 112. By using the water flow groove 111, the water coming out from the drinking water outlet 114 can flow into the drinking water groove 112 to form a flowing water source, so as to attract the pet to drink more water, and let the pet directly drink the water treated by the antibacterial and deodorizing filter element 41, the water softening filter element 42, the heavy metal filter element 43 and the electrolysis module 7, which is beneficial to the healthy growth of the pet.

[0048] In one embodiment, for the convenience of the production and manufacture of the pet drinking device 100 in this embodiment and the compactness of the structure, the water tank 1 includes a main body bottom shell 13 and an upper main body 10 detachably connected to the main body bottom shell 13. The water storage cavity 130 is formed by the connection of the upper main body 10 and the main body bottom shell 13. The drinking water outlet 114, the water return port 64, the pumping mechanism 3, the filter element housing 5 and the circuit board 8 are all located on the upper main body 10.

[0049] In one embodiment, the filter element housing 5 is detachably arranged on the upper main body 10, so that the user can replace the filter element housing 5 and the filter element assembly 4, improve the service life of the pet drinking device 100 in this embodiment, and ensure the drinking water health of the pet.

[0050] In one embodiment, a receiving groove 121 for accommodating the filter element housing 5 is formed at the bottom of the upper main body 10. A supporting block 122 protrudes from the side wall of the upper main body 10 corresponding to the receiving groove 121. An abutting block for cooperating with the supporting block 122 is provided on the filter element housing 5. When the filter element housing 5 is placed in the receiving groove 121, the abutting block is located above the supporting block 122. The supporting block 122 is used to support the abutting block, so as to support the filter element housing 5, and the filter element housing 5 is arranged in a drawer type on the upper main body 10, so that the user can assemble the filter element housing 5 onto the upper main body 10 or disassemble it from the upper main body 10.

[0051] In one embodiment, a battery 2 electrically connected to the circuit board 8 is provided on the upper main body 10. The battery 2 is used to supply power to the circuit board 8, which can eliminate the need to connect to a power source through a power cord, reduce wiring, and facilitate user use.

[0052] In one embodiment, the battery 2 is a rechargeable battery 2. A charging interface 115 for external power supply is provided on the upper main body 10. The charging interface 115 is electrically connected to the circuit board 8. The power cord is adapted to be connected to the power source through the charging interface 115, and the battery 2 can be charged through the circuit board 8.

[0053] In one embodiment, the upper main body 10 includes an intermediate housing 12 and a main body face shell 11 connected to the intermediate housing 12 to form an installation cavity 120. The circuit board 8 and the battery 2 are both arranged on the installation cavity 120. The water storage cavity 130 is surrounded by the intermediate housing 12 and the main body bottom shell 13. The drinking water outlet 114 and the water return port 64 are both located on the main body face shell 11. The pumping mechanism 3 is communicated with the drinking water outlet 114 through a pipeline, and the pipeline passes through the intermediate housing 12 to prevent the intermediate housing 12 from affecting the water outlet of the drinking water outlet. The main body bottom shell 13 is detachably connected to the main body face shell 11 or the intermediate housing 12. So that the main body bottom shell 13 can be detached, which is convenient for the user to clean the water tank 1 and add water, etc.

[0054] In one embodiment, a UV lamp 81 electrically connected to the circuit board 8 is provided at the bottom of the intermediate housing 12, so that when the UV lamp 81 is turned on, ultraviolet rays can effectively irradiate on the water. And by using the ultraviolet rays emitted by the UV lamp 81, the drinking water for pets can be further sterilized and disinfected, improving the water quality of the pets' drinking water.

[0055] In one embodiment, a function operating member 123 electrically connected to the circuit board 8 is provided on the main body face shell 11. The circuit board 8 controls the pumping mechanism 3 to work when the user operates the function operating member 123. Specifically, the function operating member 123 can be a touch button, a push switch or a DIP switch, etc. When the user operates the function operating member 123, one or more of the pumping mechanism 3, the electrolysis module 7, and the UV lamp 81 can be driven to be turned on or off through the circuit board 8, so that the user can operate the pet drinking water device 100 of this embodiment.

[0056] In one embodiment, a wireless module 9 for communicating with external devices is disposed in the installation cavity 120. The wireless module 9 is electrically connected to the circuit board 8. Through the wireless module 9, the device of this embodiment can achieve wireless communication with external devices such as mobile phones, tablets, and remote controls, so as to enable one or more of the water pumping mechanism 3, the electrolysis module 7, and the UV lamp 81 to be turned on or off by external devices such as mobile phones, tablets, and remote controls, improving the convenience of user use.

[0057] In one embodiment, a metal water basin 113 is disposed on the main body face shell 11. The metal water basin 113 is injection-molded on the main body face shell 11 and fixed to the main body face shell 11. The bottom surface and the side wall of the metal water basin 113 are respectively the bottom surface and at least part of the side wall of the drinking trough 112. Specifically, using the inner side wall of the metal water basin 113 as part of the side wall of the drinking trough 112 facilitates subsequent cleaning.

[0058] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0059] In addition, the descriptions involving "first", "second", etc. in the present invention are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, "and / or" throughout the text includes three scenarios. Taking A and / or B as an example, it includes the technical solution of A, the technical solution of B, and the technical solution that both A and B are satisfied at the same time. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0060] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention. Any equivalent structural transformation made under the inventive concept of the present invention using the content of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A pet drinking device, characterized in that, Comprising: A water tank, on which there is a water storage chamber for storing water and a drinking trough for pets to drink water; A circuit board provided on the water tank; A water pumping mechanism electrically connected to the circuit board, the water pumping mechanism is arranged in the water storage chamber, and the water pumping mechanism is configured to circulate water between the water storage chamber and the drinking trough when driven by the circuit board; A filter element assembly, the filter element assembly includes a water softening filter element for softening water quality, a heavy metal filter element for filtering heavy metals, and an antibacterial and deodorizing filter element for removing odors. The water softening filter element, the heavy metal filter element, and the antibacterial and deodorizing filter element are all arranged on the water tank and are configured to filter water during the circulation of water.

2. The pet drinking device according to claim 1, characterized in that, The material of the antibacterial and deodorizing filter element is activated carbon or contains nano mineral crystal elements.

3. The pet drinking device according to claim 1, wherein, On the water tank, there are provided a filter element housing, a drinking water outlet, and a return water channel. The filter element housing is arranged on the return water channel, and the drinking water outlet is communicated with the water pumping mechanism and the drinking trough; The return water channel includes: a water return port opened on the water tank and located on the side wall of the drinking trough, at least three communicating accommodation cavities arranged in sequence along the direction of circulating water and opened in the filter element housing, and a filter element water inlet and a filter element water outlet opened on the filter element housing; The water return port is communicated with the filter element water inlet, both sides of the filter element water inlet are respectively communicated with an accommodation cavity at one end and the return water channel, both sides of the filter element water outlet are respectively communicated with an accommodation cavity at the other end and the water storage chamber, and the antibacterial and deodorizing filter element, the water softening filter element, and the heavy metal filter element are respectively installed in an accommodation cavity; The bottom surface of the accommodation cavity is higher on the side close to the filter element water inlet than on the side close to the filter element water outlet.

4. The pet drinking device according to claim 3, wherein, The return water channel further includes a buffer groove opened at the top of the filter element housing. Both ends of the buffer groove are respectively communicated with the water return port and the filter element water inlet, and the buffer groove is inclined downward along the direction close to the filter element water inlet.

5. The pet drinking device according to claim 4, wherein, A partition is provided between every two adjacent accommodation cavities. The return water channel further includes: a first water passing channel opened on the filter element housing, a first water passing port opened at the top of the partition close to the filter element water inlet side, and a second water passing port opened at the bottom of the partition close to the filter element water outlet side; The buffer groove is communicated with the filter element water inlet through the first water passing channel. The filter element water inlet is opened at a position close to the bottom of the accommodation cavity. The first water passing port is communicated with the filter element water inlet through the accommodation cavity. The second water passing port is communicated with the filter element water outlet through the accommodation cavity; The return water channel further includes a second water passing channel provided on the water tank. The second water passing channel is located on the filter element housing, and both ends of the second water passing channel are respectively communicated with the buffer groove and the water return port.

6. The pet drinking device according to claim 5, wherein The filter element housing includes a filter element face shell and a filter element bottom shell. The filter element face shell and the filter element bottom shell are connected to form an accommodation cavity, a first water passing channel, and a filter element water inlet. The buffer groove is located at the top of the filter element face shell. The partition is located on the filter element face shell. The filter element water outlet is located on the filter element bottom shell.

7. The pet drinking device according to any one of claims 3-6, characterized in that, A water flow groove is also provided at the top of the water tank. The water flow groove is communicated with the drinking trough. The height of the water flow groove at the end connected to the drinking trough is lower than the height of the end far from the drinking trough. The drinking water outlet is provided at the bottom surface of the water flow groove and at the position of the end far from the drinking trough.

8. The pet drinking device according to claim 3, characterized in that, The water tank includes a main body bottom shell and an upper main body detachably connected to the main body bottom shell. The water storage cavity is formed by the connection of the upper main body and the main body bottom shell. The drinking water outlet, the water return port, the pumping mechanism, and the circuit board are all located on the upper main body; the filter element housing is detachably arranged on the upper main body.

9. The pet drinking device according to claim 8, wherein, A storage groove for accommodating the filter element housing is provided at the bottom of the upper main body. A supporting block protrudes from the side wall of the upper main body corresponding to the storage groove. An abutting block is provided on the filter element housing for cooperating with the supporting block. The abutting block is located above the supporting block when the filter element housing is placed in the storage groove.

10. The pet drinking device according to claim 8, characterized in that, The upper main body includes an intermediate shell and a main body face shell connected to the intermediate shell to form an installation cavity. The circuit board is arranged on the installation cavity. The water storage cavity is surrounded by the intermediate shell and the main body bottom shell. The drinking water outlet and the water return port are both located on the main body face shell. The pumping mechanism is communicated with the drinking water outlet through a pipeline, and the pipeline passes through the intermediate shell.

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