Water dispenser for pets

Abstract

The utility model discloses a pet water dispenser, which relates to the technical field of animal water dispensers, and comprises a water storage tank, a water filter disc, a water spraying mechanism and a cable, and the top of the water storage tank is provided with an opening; the water filtering disc covers the opening, and a water storage cavity is defined by the water filtering disc and the water storage tank; the water spraying mechanism comprises a water pump and a water outlet pipe, the water pump is arranged in the water storage cavity, one end of the water outlet pipe is connected with the water pump, and the other end of the water outlet pipe penetrates through a first through hole in the filtering water disc. A plurality of fixing grooves are formed in the side, facing the water storage cavity, of the water filtering disc, the multiple fixing grooves are sequentially arranged at intervals in the circumferential direction of the first through hole, the fixing grooves are used for fixing a cable, and one end of the cable is electrically connected with the water pump; in the cable fixing process, an operator only needs to slightly rotate the water filtering disc, so that the cable can quickly enter the fixing groove, the cable is fixed, the working procedure that the operator looks up a structure for fixing the cable is omitted, and the assembling efficiency of the pet water dispenser is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of animal drinking water devices, in particular to a pet drinking fountain. Background Art

[0002] As people's living standards improve, pets like cats and dogs are becoming increasingly common, and pet drinking fountains are becoming increasingly popular. As pets drink more frequently, the water level in the dispenser gradually decreases, necessitating timely replenishment to maintain a normal water supply. However, existing pet drinking fountains are difficult to disassemble and assemble, impacting the user experience.

[0003] When assembling common water dispensers on the market, it is generally necessary to first place the water pump into the water storage chamber, then extend the cable connected to the water pump out of the water storage chamber, and then fix the cable by covering it with other structural parts. The structure used to fix the cable needs to be assembled facing the cable, so the operator needs to first confirm the position of the structure, and then adjust the installation angle of the structure used to fix the cable before assembling. The whole process is time-consuming and seriously affects production efficiency. Utility Model Content

[0004] The main purpose of the utility model is to provide a pet drinking fountain, aiming to solve the problem of how to improve the assembly efficiency of the pet drinking fountain.

[0005] To achieve the above-mentioned purpose, the present invention provides a pet water dispenser, which comprises:

[0006] A water storage tank, wherein the top of the water storage tank is provided with an opening;

[0007] A water filter tray, wherein the water filter tray cover is disposed on the opening and the outer edge of the water filter tray is connected to the water storage tank, and the water filter tray and the water storage tank form a water storage cavity;

[0008] a water spray mechanism, the water spray mechanism comprising a water pump and a water outlet pipe, the water pump being disposed in the water storage chamber, one end of the water outlet pipe being connected to the water pump, and the other end of the water outlet pipe passing through a first through hole on the water filter disc;

[0009] Cable, a fixing groove is provided on the side of the water filter disc facing the water storage chamber, and the number of the fixing grooves is multiple, and the multiple fixing grooves are arranged in sequence along the circumference of the first through hole. The fixing groove is used to accommodate a part of the structure of the cable to fix the cable, one end of the cable is electrically connected to the water pump, and the side wall of the water tank is provided with an outlet hole for the cable to extend out of the water storage chamber.

[0010] In one embodiment, the pet water dispenser further includes a drinking tray, which is covered on the water filter tray so that the drinking tray and the water filter tray form a filter chamber, and the drinking tray is provided with a first water drain hole connected to the filter chamber; the water filter tray is provided with a second water drain hole connected to the filter chamber and the water storage chamber; and the drinking tray is provided with a second through hole for the water outlet pipe to pass through.

[0011] In one embodiment, the outer wall of the end of the water outlet pipe extending out of the water tray is provided with a vertical guide surface and an arc-shaped guide surface in sequence along the axial direction of the water outlet pipe, one end of the arc-shaped guide surface is connected to the vertical guide surface, and the other end of the arc-shaped guide surface is smoothly connected to the water tray, and a smooth transition surface is provided at the connection between the vertical guide surface and the arc-shaped guide surface;

[0012] And / or, the outer wall of one end of the water outlet pipe extending out of the water tray protrudes outward to form a limiting protrusion, and the limiting protrusion abuts against the water tray toward one side of the water storage cavity.

[0013] In one embodiment, the water filter tray includes a tray body and an abutment portion, the tray body is provided with the first through hole and the fixing groove; the abutment portion is provided on the side wall of the tray body and extends along the circumference of the tray body, the abutment portion divides the side wall of the tray body into a first side wall and a second side wall, the second side wall is provided toward the water storage cavity, the second side wall can extend into the water storage tank and abut against the inner wall of the water storage tank, the first side wall can extend into the filter cavity and abut against the inner wall of the drinking water tray, one side of the abutment portion abuts against the side of the water storage tank facing the drinking water tray, and the other side of the abutment portion abuts against the side of the drinking water tray facing the water storage tank.

[0014] In one embodiment, the side wall of the disc body protrudes outward to form a protrusion, the number of the protrusions is consistent with the number of the fixing grooves and is arranged one-to-one, and a plurality of the protrusions are arranged in sequence along the circumference of the first through hole, and the inner wall of the water tank is provided with a groove for accommodating the protrusion corresponding to each of the protrusions.

[0015] In one embodiment, the pet water dispenser further includes a filter, which is disposed on the water filter tray, and the second drain hole is disposed toward the filter so that water in the filter cavity can pass through the filter and then enter the water storage cavity from the second drain hole.

[0016] In one embodiment, the water filter tray is provided with a receiving groove for receiving the filter, and the second drain hole is provided at the bottom of the receiving groove.

[0017] In one embodiment, the water filter tray is further provided with an anti-blocking hole connecting the filter cavity and the water storage cavity, the anti-blocking hole is located outside the receiving tank, and the height of the anti-blocking hole is higher than the second drain hole.

[0018] In one embodiment, there are multiple first drain holes, and the multiple first drain holes are spaced apart along the circumference of the second through hole;

[0019] And / or, there are multiple second water discharge holes, and the multiple second water discharge holes are arranged at intervals along the circumference of the first through hole.

[0020] In one embodiment, the pet water dispenser further includes a transparent observation window. An observation hole is opened on the outer wall of the water tank, and the transparent observation window is arranged in the observation hole. The outer edge of the transparent observation window is sealed with the hole wall of the observation hole.

[0021] The technical solution of the present invention is to provide multiple fixing grooves on the side of the water filter disc facing the water storage chamber, and the multiple fixing grooves are arranged in sequence along the circumference of the first through hole, so that the operator only needs to slightly rotate the water filter disc during the cable fixing process so that the cable can quickly enter the fixing groove, thereby completing the fixation of the cable, eliminating the operator's process of finding the structure for fixing the cable, shortening the time for adjusting the structure and the cable to the corresponding position, thereby effectively improving the assembly efficiency of the pet water dispenser. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, 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 the structures shown in these drawings without paying any creative work.

[0023] Figure 1 This is a structural diagram of an embodiment of a pet water dispenser provided by the present utility model;

[0024] Figure 2 for Figure 1 A local enlarged schematic diagram at point A;

[0025] Figure 3 This is a cross-sectional schematic diagram of an embodiment of a pet water dispenser provided by the present utility model;

[0026] Figure 4 for Figure 3 A partial enlarged schematic diagram at point B;

[0027] Figure 5This is a structural schematic diagram of an embodiment of a water filter tray provided by the utility model.

[0028] Description of Figure Numbers:

[0029] 100. Pet drinking fountain; 1. Water tank; 11. Water storage chamber; 12. Wire outlet hole; 13. Groove; 14. Wire clamping groove; 2. Water filter tray; 21. Anti-blocking hole; 22. Second drain hole; 23. Fixing groove; 24. Receiving groove; 25. Filter chamber; 26. Tray body; 261. First side wall; 262. Second side wall; 263. Raised portion; 27. Abutment portion; 3. Water drinking tray; 31. First drain hole; 4. Water spraying mechanism; 41. Water pump; 42. Water outlet pipe; 421. Limiting protrusion; 422. Vertical guide surface; 423. Arc-shaped guide surface; 424. Smooth transition surface; 5. Cable; 6. Filter; 7. Transparent observation window.

[0030] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] As people's living standards improve, pets like cats and dogs are becoming increasingly common, and pet drinking fountains are becoming increasingly popular. As pets drink more frequently, the water level in the dispenser gradually decreases, necessitating timely replenishment to maintain a normal water supply. However, existing pet drinking fountains are difficult to disassemble and assemble, impacting the user experience.

[0035] When assembling common water dispensers on the market, it is generally necessary to first place the water pump into the water storage chamber, then extend the cable connected to the water pump out of the water storage chamber, and then fix the cable by covering it with other structural parts. The structure used to fix the cable needs to be assembled facing the cable, so the operator needs to first confirm the position of the structure, and then adjust the installation angle of the structure used to fix the cable before assembling. The whole process is time-consuming and seriously affects production efficiency.

[0036] The inventor has found that the existing pet water dispenser takes a long time to assemble. Taking the quadrilateral pet water dispenser as an example, after placing the water pump into the water storage chamber, the existing pet water dispenser needs to first find a structure on the filter plate for fixing the water pump cable. If the structure is located on one side of the quadrilateral structure, when the position of the structure needs to be adjusted to correspond to the water pump cable, the operator needs to rotate the filter plate at least 90° and then cover the filter plate to complete the fixing of the cable. The entire process has many steps and is time-consuming, which reduces the assembly efficiency of the pet water dispenser.

[0037] The utility model provides a pet drinking fountain, aiming to solve the technical problem of how to improve the assembly efficiency of the pet drinking fountain.

[0038] See also Figure 1 、 Figure 3 and Figure 5As shown, in one embodiment of the present invention, the pet water dispenser 100 includes a water tank 1, a water filter tray 2, a water spray mechanism 4 and a cable 5. The top of the water tank 1 is provided with an opening; the water filter tray 2 is covered with the opening and the outer edge of the water filter tray 2 is connected to the water tank 1, and the water filter tray 2 and the water tank 1 form a water storage chamber 11; the water spray mechanism 4 includes a water pump 41 and a water outlet pipe 42, the water pump 41 is arranged in the water storage chamber 11, one end of the water outlet pipe 42 is connected to the water pump 41, and the other end of the water outlet pipe 42 passes through the first through hole on the water filter tray 2; a fixing groove 23 is provided on the side of the water filter tray 2 facing the water storage chamber 11, and the number of the fixing grooves 23 is arranged in sequence along the circumference of the first through hole. The fixing grooves 23 are used to accommodate a part of the structure of the cable 5 to fix the cable 5. One end of the cable 5 is electrically connected to the water pump 41. The side wall of the water tank 1 is provided with an outlet hole 12 for the cable 5 to extend out of the water storage chamber 11.

[0039] The technical solution of the present invention is to provide a plurality of fixing grooves 23 on the side of the water filter tray 2 facing the water storage chamber 11. The plurality of fixing grooves 23 are arranged in sequence along the circumference of the first through hole. When fixing the cable 5, the operator can directly cover the water filter tray 2, and then only need to slightly rotate the water filter tray 2 so that the cable 5 can quickly enter the fixing groove 23, thereby completing the fixation of the cable 5, eliminating the need for the operator to find the structure for fixing the cable 5. Moreover, since a plurality of fixing grooves 23 are provided along the circumference of the water filter tray 2, the cable 5 can be quickly inserted into the fixing groove 23 in both clockwise and counterclockwise directions. The time spent on this will decrease as the number of fixing grooves 23 increases. The operator no longer needs to rotate the water filter tray 2 at a large angle to adjust the position of the fixing groove 23, thereby shortening the time for adjusting the structure and the cable 5 to the corresponding position, thereby effectively improving the assembly efficiency of the pet water dispenser 100. It should be noted that fixing the cable 5 by providing the fixing groove 23 can also effectively reduce the probability of the pet pulling the cable 5 and lifting the water filter tray 2 and the water drinking tray 3.

[0040] In one embodiment, the pet drinking fountain 100 further includes a drinking tray 3, which is positioned over the water filter tray 2, such that the drinking tray 3 and the water filter tray 2 form a filter chamber 25. The drinking tray 3 defines a first drain hole 31 connecting the filter chamber 25; the water filter tray 2 defines a second drain hole 22 connecting the filter chamber 25 and the water storage chamber 11; and the drinking tray 3 defines a second through-hole for a water outlet pipe 42 to pass through. A water pump 41 draws water from the water storage chamber 11 and delivers it to the water receiving tray via the water outlet pipe 42 for the pet to drink. When the water level in the drinking tray 3 rises to the first drain hole 31, the water flows from the first drain hole 31 into the filter chamber 25 and then into the water storage chamber 11 through the second drain hole 22, thereby achieving a repeated water circulation.

[0041] According to an embodiment of the present invention, a curved surface is provided at the bottom of the water tank 1 to facilitate cleaning by the user.

[0042] According to another embodiment of the present invention, a wire clamping groove 14 is provided on the outer wall of the water tank 1 , and the wire clamping groove 14 is used to accommodate and fix the cable 5 , thereby preventing the cable 5 from pushing open the water filter tray 2 .

[0043] See also Figure 1 and Figure 2 As shown, in one embodiment, the outer wall of one end of the water outlet pipe 42 extending out of the water tray 3 is provided with a vertical guide surface 422 and an arc-shaped guide surface 423 in sequence along the axial direction of the water outlet pipe 42, one end of the arc-shaped guide surface 423 is connected to the vertical guide surface 422, and the other end of the arc-shaped guide surface 423 is smoothly connected to the water tray 3, and a smooth transition surface 424 is provided at the connection between the vertical guide surface 422 and the arc-shaped guide surface 423; by providing the arc-shaped guide surface 423 and the water outlet pipe 42, a smooth transition surface 424 is provided. A smooth transition surface 424 is provided at the junction of the vertical guide surface 422 and the curved guide surface 423, and the curved guide surface 423 is smoothly connected to the water tray 3, so that the water flowing out of the water outlet can smoothly flow through the vertical guide surface 422, the smooth transition surface 424 and the curved guide surface 423 in sequence and then flow into the water tray 3, effectively reducing the sound of water flow, bringing a better user experience, and also reducing the probability of disturbing pets due to the sound of water flow.

[0044] See also Figure 1 and Figure 3 As shown, in one embodiment, the outer wall of the end of the water outlet pipe 42 extending from the drinking tray 3 is outwardly protruded to form a stopper protrusion 421. This stopper protrusion 421 abuts the drinking tray 3 on the side facing the water storage chamber 11. By providing a stopper protrusion 421 abutting the drinking tray 3, the upward movement of the drinking tray 3 is restricted, thereby improving the reliability of the connection between the drinking tray 3 and the water filter tray 2. It should be noted that the entire pet drinking fountain 100 resembles a pumpkin, with the water outlet pipe 42 forming the pumpkin stem, and the water storage tank 1 and drinking tray 3 forming the remaining pumpkin-like structures, making the overall appearance of the pet drinking fountain 100 even more visually appealing.

[0045] See also Figure 3 and Figure 4As shown, in one embodiment, the water filter tray 2 includes a tray body 26 and an abutment portion 27, the tray body 26 is provided with a first through hole and a fixing groove 23; the abutment portion 27 is provided on the side wall of the tray body 26 and extends along the circumference of the tray body 26, the abutment portion 27 divides the side wall of the tray body 26 into a first side wall 261 and a second side wall 262, the second side wall 262 is provided toward the water storage chamber 11, the second side wall 262 can extend into the water storage tank 1 and abut against the inner wall of the water storage tank 1, the first side wall 261 can extend into the filter chamber 25 and abut against the inner wall of the drinking water tray 3, one side of the abutment portion 27 abuts against the side of the water storage tank 1 facing the drinking water tray 3, and the other side of the abutment portion 27 abuts against the side of the drinking water tray 3 facing the water storage tank 1. By providing the abutment portion 27, the abutment portion 27 abuts against the top wall of the water storage tank 1, thereby limiting the downward movement of the water filter tray 2. The second side wall 262 extends into the water storage tank 1 and abuts against the inner wall of the water storage tank 1, thereby limiting the horizontal movement of the water filter tray 2. The first side wall 261 extends into the filter cavity 25 and abuts against the inner wall of the drinking water tray 3, thereby limiting the horizontal movement of the drinking water tray 3. The bottom wall of the drinking water tray 3 abuts against the top wall of the abutment portion 27, thereby providing reliable support for the drinking water tray 3.

[0046] See also Figure 3 and Figure 5 As shown, in one embodiment, the sidewalls of the tray body 26 protrude outward to form protrusions 263. The number of protrusions 263 matches the number of fixing grooves 23, and they are provided in a one-to-one correspondence. Multiple protrusions 263 are sequentially spaced along the circumference of the first through-hole, and the inner wall of the water tank 1 is provided with grooves 13 corresponding to each protrusion 263 to accommodate the protrusions 263. The provision of multiple protrusions 263 allows the operator to roughly determine the position of the fixing grooves 23 directly by looking at the protrusions 263 without having to inspect the bottom of the water filter tray 2. This facilitates assembly of the water filter tray 2 and improves the efficiency of the pet water dispenser 100. The fit between the grooves 13 and the protrusions 263 also provides a certain degree of foolproofing.

[0047] See also Figure 1 and Figure 2 As shown, in one embodiment, the pet drinking fountain 100 further includes a filter 6 disposed on the water filter tray 2. The second drain hole 22 is disposed toward the filter 6, allowing water within the filter chamber 25 to pass through the filter 6 and enter the water storage chamber 11 through the second drain hole 22. The filter 6 intercepts foreign matter such as hair and debris, thereby filtering and purifying the pet's drinking water, improving the quality of the pet's drinking water and reducing the likelihood of foreign matter clogging the second drain hole 22.

[0048] In one embodiment, the water filter tray 2 is provided with a receiving groove 24 for receiving the filter 6, and the second drain hole 22 is provided at the bottom of the receiving groove 24. The receiving groove 24 is provided to fix the filter 6, facilitate the assembly of the filter 6, and limit the movement of the filter 6.

[0049] In one embodiment, the filter 6 is detachably connected to the water filter tray 2. The detachable filter 6 is convenient for users to replace or clean the filter 6.

[0050] In one embodiment, the water filter tray 2 is further provided with an anti-blocking hole 21 connecting the filter chamber 25 and the water storage chamber 11. The anti-blocking hole 21 is located outside the receiving groove 24 and is higher than the second water outlet 22. The provision of the anti-blocking hole 21 allows water to flow into the water storage chamber 11 through the anti-blocking hole 21 when the second water outlet 22 is blocked, ensuring normal water circulation.

[0051] In one embodiment, an arcuate guide surface is provided at the bottom of the fixing groove 23, with both ends of the fixing groove 23 facing the water storage chamber 11 and the cable outlet 12, respectively. The arcuate guide surface guides the cable 5 and reduces the probability of the cable 5 being bent.

[0052] In one embodiment, the pet water dispenser 100 further includes a transparent observation window 7. The outer wall of the water tank 1 defines an observation hole, within which the transparent observation window 7 is located. The outer edge of the transparent observation window 7 is sealed to the wall of the observation hole. The provision of the observation window allows the user to directly monitor the current water level within the water storage chamber 11, allowing the user to determine whether to add water to the water storage chamber 11.

[0053] In one embodiment, there are multiple first drain holes 31, which are spaced apart along the circumference of the water tray 3. The multiple first drain holes 31 facilitate the flow of water from the water tray 3 to the filter chamber 25, thereby reducing the probability of water overflowing the water tray 3.

[0054] In one embodiment, there are multiple second drain holes 22, which are spaced apart along the circumference of the water filter tray 2. Providing multiple second drain holes 22 improves drainage efficiency and reduces the probability of water not being able to flow smoothly from the filter chamber 25 to the water storage chamber 11.

[0055] The above are merely exemplary embodiments of the present invention and are not intended to limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A pet drinking fountain, characterized in that: include: A water storage tank, wherein the top of the water storage tank is provided with an opening; A water filter tray, wherein the water filter tray cover is disposed on the opening and the outer edge of the water filter tray is connected to the water storage tank, and the water filter tray and the water storage tank form a water storage cavity; a water spray mechanism, the water spray mechanism comprising a water pump and a water outlet pipe, the water pump being disposed in the water storage chamber, one end of the water outlet pipe being connected to the water pump, and the other end of the water outlet pipe passing through a first through hole on the water filter disc; Cable, a fixing groove is provided on the side of the water filter disc facing the water storage chamber, and the number of the fixing grooves is multiple, and the multiple fixing grooves are arranged in sequence along the circumference of the first through hole. The fixing groove is used to accommodate a part of the structure of the cable to fix the cable, one end of the cable is electrically connected to the water pump, and the side wall of the water tank is provided with an outlet hole for the cable to extend out of the water storage chamber.

2. The pet drinking fountain according to claim 1, wherein: The pet water dispenser also includes a drinking tray, which is covered on the water filter tray so that the drinking tray and the water filter tray form a filter chamber. The drinking tray is provided with a first water outlet hole connected to the filter chamber; the water filter tray is provided with a second water outlet hole connected to the filter chamber and the water storage chamber; and the drinking tray is provided with a second through hole for the water outlet pipe to pass through.

3. The pet drinking fountain according to claim 2, wherein: The outer wall of the end of the water outlet pipe extending out of the water tray is provided with a vertical guide surface and an arc-shaped guide surface in sequence along the axial direction of the water outlet pipe, one end of the arc-shaped guide surface is connected to the vertical guide surface, and the other end of the arc-shaped guide surface is smoothly connected to the water tray, and a smooth transition surface is provided at the connection between the vertical guide surface and the arc-shaped guide surface; And / or, the outer wall of one end of the water outlet pipe extending out of the water tray protrudes outward to form a limiting protrusion, and the limiting protrusion abuts against the water tray toward one side of the water storage cavity.

4. The pet drinking fountain according to claim 2, wherein: The water filter tray includes a tray body and an abutment portion, the tray body is provided with the first through hole and the fixing groove; the abutment portion is provided on the side wall of the tray body and extends along the circumference of the tray body, the abutment portion divides the side wall of the tray body into a first side wall and a second side wall, the second side wall is provided toward the water storage cavity, the second side wall can extend into the water storage tank and abut against the inner wall of the water storage tank, the first side wall can extend into the filter cavity and abut against the inner wall of the drinking water tray, one side of the abutment portion abuts against a side of the water storage tank facing the drinking water tray, and the other side of the abutment portion abuts against a side of the drinking water tray facing the water storage tank.

5. The pet drinking fountain according to claim 4, characterized in that: The side wall of the disc body protrudes outward to form a protrusion, and the number of the protrusions is consistent with that of the fixing grooves and is arranged one by one. The multiple protrusions are arranged in sequence along the circumference of the first through hole, and the inner wall of the water tank is provided with a groove for accommodating the protrusion corresponding to each protrusion.

6. The pet drinking fountain according to any one of claims 2 to 5, characterized in that: The pet water dispenser further includes a filter, which is disposed on the water filter tray. The second drain hole is disposed toward the filter so that water in the filter cavity can pass through the filter and then enter the water storage cavity from the second drain hole.

7. The pet drinking fountain according to claim 6, wherein: The water filter tray is provided with a receiving groove for receiving the filter, and the second drain hole is provided at the bottom of the receiving groove.

8. The pet drinking fountain according to claim 7, wherein: The water filter tray is further provided with an anti-blocking hole communicating with the filter cavity and the water storage cavity. The anti-blocking hole is located outside the receiving groove, and the height of the anti-blocking hole is higher than the second drain hole.

9. The pet drinking fountain according to any one of claims 2 to 5, characterized in that: There are multiple first drain holes, and the multiple first drain holes are spaced apart along the circumference of the second through hole; And / or, there are multiple second water discharge holes, and the multiple second water discharge holes are arranged at intervals along the circumference of the first through hole.

10. The pet drinking fountain according to any one of claims 1 to 5, characterized in that: The pet water dispenser further comprises a transparent observation window. An observation hole is opened on the outer wall of the water tank. The transparent observation window is arranged in the observation hole. The outer edge of the transparent observation window is sealed with the hole wall of the observation hole.

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