CN215074670U - Drinking machine for pet - Google Patents

Abstract

The utility model discloses a water dispenser for pet convenient to discharge waste water. The utility model adopts the technical proposal that: a water dispenser for pets comprises a main machine and a water bowl for containing drinking water for pets, wherein the water bowl is suitable for being placed on the main machine, and further comprises a water storage tank, a negative pressure generating device and a water pumping nozzle, the water pumping nozzle is provided with a water inlet, a water flow channel and a water outlet, and the water flow channel is communicated with the water inlet and the water outlet; one end of the water pumping nozzle, which is provided with the water inlet, can enter the water bowl, and the water storage tank is communicated with the water outlet to store water flowing out of the water outlet; the upper end of the water storage space in the water storage tank is provided with an air outlet, and the negative pressure generating device can discharge air in the water storage tank through the air outlet to generate negative pressure in the water storage tank, so that water in the water bowl is sucked to the water storage tank from the water inlet.

Description

Drinking machine for pet

Technical Field

The utility model relates to a product technical field for the pet, in particular to water dispenser for the pet.

Background

With the ever-increasing standard of living of people, more and more families are beginning to feed pets, especially cats or canines. Pets have become a member of the home in pet owners homes, and the physical health of pets has become a great concern for pet owners. Therefore, in the process of raising pets, the food and drink hygiene of pets are receiving more and more attention. Most of the body of the pet is water, and if the pet drinks unhealthy water, the pet is easily unhealthy, so that various diseases are caused, and the water dispenser for the pet is sold in the market.

In the process of implementing the technical scheme of the utility model, the inventor finds that: the existing water dispenser for pets has the problem of trouble in pouring waste water.

SUMMERY OF THE UTILITY MODEL

According to the defects existing in the prior art, the technical problem solved by the utility model is to provide a water dispenser for pets, which is convenient for discharging waste water.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a water dispenser for pets comprises a main machine and a water bowl for containing drinking water for pets, wherein the water bowl is suitable for being placed on the main machine, and further comprises a water storage tank, a negative pressure generating device and a water pumping nozzle, the water pumping nozzle is provided with a water inlet, a water flow channel and a water outlet, and the water flow channel is communicated with the water inlet and the water outlet; one end of the water pumping nozzle, which is provided with the water inlet, can enter the water bowl, and the water storage tank is communicated with the water outlet to store water flowing out of the water outlet; the upper end of the water storage space in the water storage tank is provided with an air outlet, and the negative pressure generating device can discharge air in the water storage tank through the air outlet to generate negative pressure in the water storage tank, so that water in the water bowl is sucked to the water storage tank from the water inlet.

Furthermore, in the technical scheme, the negative pressure generating device is arranged on the host, an exhaust passage is arranged in the water storage tank, the exhaust passage is provided with two open ends, one open end is a top space of the exhaust port extending to the water storage tank, and the other open end is exposed outside the water storage tank to be communicated with the negative pressure generating device.

Furthermore, in the technical scheme, the exhaust port is arranged on the tank body of the water storage tank, and the negative pressure generating device is arranged on the water storage tank; the negative pressure generating device is an air pump and is positioned close to the air outlet.

Furthermore, in the technical scheme, the water pumping nozzle is positioned above the water bowl and can slide relative to the host; a guide structure and a limit structure which are matched with each other are arranged between the main machine and the water pumping nozzle, and the guide structure is used for limiting the sliding direction of the water pumping nozzle on the main machine; the limiting structure is used for limiting the sliding distance of the water pumping nozzle so as to realize that the water bowl can enter and exit the water bowl after being placed on the host machine.

Furthermore, in the technical scheme, the main frame comprises a front panel, the front panel is located above the water bowl, an opening is formed in the front panel, an operation block is fixed on the water pumping nozzle, the water pumping nozzle is arranged on the inner surface of the front panel, the operation block penetrates through the opening and is exposed on the outer surface of the front panel, and the operation block can drive the water pumping nozzle to move in a space limited by the opening.

Furthermore, in the technical scheme, the guide structure is arranged on the front panel, the guide structure comprises an upper buckling position and a lower buckling position, the upper buckling position is arranged above the opening, the lower buckling position is arranged below the opening, the water pumping nozzle is arranged in the upper buckling position and the lower buckling position, and the water pumping nozzle slides in the direction limited by the upper buckling position and the lower buckling position.

Furthermore, in the technical scheme, the limiting structure is arranged on the front panel and comprises a convex point and a concave point, one of the convex point and the concave point is selected to be arranged on the front panel, and the other one is correspondingly arranged on the outer surface of the water pumping nozzle; the front panel is provided with two selected convex points or concave points which are arranged up and down, so that the sliding stroke of the water pumping nozzle is limited; the water pumping nozzle is provided with an elastic arm, and a convex point or a concave point arranged on the water pumping nozzle is positioned on the elastic arm; when the water pumping nozzle moves to the highest position, the water pumping nozzle is hidden in the front panel.

Furthermore, in the technical scheme, the water pumping nozzle is positioned above the water bowl and can rotate relative to the main machine; a first rotating shaft and a second rotating shaft extend from two side surfaces of one end of the water pumping nozzle connected with the main machine, the first rotating shaft and the second rotating shaft are coaxially arranged, and the water pumping nozzle is rotationally connected with the main machine through the first rotating shaft and the second rotating shaft; the water outlet is arranged on the first rotating shaft, and the water flow channel is communicated with the water outlet after passing through the inner space of the first rotating shaft; and a positioning structure is arranged on the second rotating shaft and used for limiting the rotating angle of the water pumping nozzle.

Furthermore, in the technical scheme, the water pumping nozzle is positioned above the water bowl and can rotate relative to the main machine; a rotating shaft extends from one side surface of the water pumping nozzle, and the water pumping nozzle is rotatably connected with the main machine through the rotating shaft; the water outlet is arranged on the rotating shaft, and the water flow channel is communicated with the water outlet after passing through the inner space of the rotating shaft.

Furthermore, in the technical scheme, a concave part is arranged on the bottom surface of the water containing space of the water bowl, the shape and size of the concave part are slightly larger than the overall size of the water inlet end arranged in the water pumping nozzle, the water inlet is positioned on the end surface of one end of the water pumping nozzle, and when the water inlet is at the lowest position in the water bowl, the water inlet is positioned in the concave part; the water pumping nozzle does not contact the water bowl.

The utility model provides a beneficial effect that technical scheme brought is mainly: due to the arrangement of the negative pressure generating device and the water pumping nozzle, one end of the water pumping nozzle, which is provided with the water inlet, can enter the water bowl, and the negative pressure generating device is used for discharging air in the water storage tank to generate negative pressure in the water storage tank, so that water in the water bowl is sucked to the water storage tank from the water inlet, a user can pump waste water in the water bowl without taking off the water bowl, and the waste water in the water bowl is convenient to discharge.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

FIG. 1 is a perspective view of the structure of a water dispenser in the embodiment of the present invention;

FIG. 2 is a schematic view of several components of the water dispenser in an exploded state according to the embodiment of the present invention;

FIG. 3 is a sectional view of the water dispenser according to the embodiment of the present invention;

FIG. 4 is a perspective view of the embodiment of the present invention, in which the rear cover of the main body is partially removed;

FIG. 5 is a cross-sectional view of the front panel and the faucet showing the water path within the faucet in a connected state;

FIG. 6 is a cross-sectional view of the front panel and the water extraction nozzle in a connected state showing a water level detection device in the water extraction nozzle;

FIG. 7 is a partial view of the structure of FIG. 3 with the water bowl removed with the water nozzle at the lowest position;

FIG. 8 is a perspective view of the water pumping nozzle in the embodiment of the present invention;

FIG. 9 is a perspective view of the touch detection switch of the pump nozzle with the pump nozzle at the lowest position;

FIG. 10 is a fragmentary view of the water nozzle of FIG. 3 in a lowermost position;

FIG. 11 is a schematic view of an embodiment of the present invention illustrating a rotary connection between a water nozzle and a main frame;

FIG. 12 is a perspective view of the pump nozzle of FIG. 11 in a lowermost position;

FIG. 13 is a cross-sectional view of the front panel and the faucet spout of FIG. 11 in an attached condition, taken along the centerline of the faucet spout;

FIG. 14 is a perspective view of the faucet of FIG. 12;

FIG. 15 is a structural cross-sectional view of the bent bushing of FIG. 13;

FIG. 16 is a perspective view of the construction of the sleeve of FIG. 13;

FIG. 17 is a schematic view of an embodiment of the present invention illustrating a rotary connection between a pump nozzle and a main body;

FIG. 18 is a schematic view of the intake of the faucet of FIG. 17 in a lowermost position;

figure 19 is a cross-sectional view of the waterway structure of the pumping nozzle shown in figure 18;

FIG. 20 is an enlarged fragmentary view of the nozzle portion of FIG. 19;

FIG. 21 is a partially enlarged view of the water discharge nozzle in a state of being separated from the front panel;

FIG. 22 is a schematic view of an embodiment of an air extractor disposed in the water storage tank;

fig. 23 is a schematic view of another embodiment of an air extraction device arranged in a water storage tank.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following embodiments and drawings are combined to further explain the present invention in detail. It should be understood that the detailed description and specific examples, while indicating the embodiments of the invention, are given by way of illustration only.

The term "pet" is commonly used in the present invention to refer to a common feline or canine animal; the term "up and down" refers to the position relation of the pet drinking machine in the vertical main direction in the horizontal working state.

As shown in fig. 1 and 2, a water dispenser 100 for pets according to a preferred embodiment of the present invention includes a clean water tank 110, a water storage tank 120 (which may be called a waste water tank), a main unit 130, a filter element 140, and a water bowl 150, wherein the clean water tank 110 is used for storing clean water, the water storage tank 120 is used for storing unwanted waste water, the filter element 140 is used for filtering water in the clean water tank 110, the water bowl 150 is used for storing water filtered by the filter element 140 so that a pet can drink the water, and the main unit 130 is used for providing charged components and parts.

Specifically, as shown in fig. 2, 3 and 4, the main machine 130 includes a placing platform 131 adapted to place the water bowl 150, a front panel 132, a negative pressure generating device and a water pumping nozzle 160 movably disposed on the main machine 130. The front panel 132 is located above the placing platform 131, and a placing space of the water bowl 150 is left between the front panel 132 and the placing platform 131. When the water dispenser 100 is in use, the water bowl 150 is placed on the placement platform 131. In this embodiment, the negative pressure generating device is the water pump 134, and the placing platform 131 is further provided with a weight sensor 1311, and the weight sensor 1311 is used for measuring the weight of the object placed on the placing platform 131. As shown in fig. 5, the water withdrawal nozzle 160 has an inlet 161, a water flow passage 162 and an outlet 163, and the water withdrawal nozzle 160 has an upper end and a lower end in the vertical main direction. Wherein the water inlet 161 is located on the bottom end surface of the lower end of the water pumping nozzle 160, the water outlet 163 is located on the upper end of the water pumping nozzle 160, and the water flow channel 162 communicates the water inlet 161 and the water outlet 163. The water pumping nozzle 160 is located above the placing platform 131 and can slide relative to the main machine 130, so that after the water bowl 150 is placed on the placing platform 131, the water inlet 161 is arranged at the lower end of the water inlet to enable the water to enter and exit the water bowl 150. The water pump 134 is connected to the water outlet 161 and the water storage tank 120 through a water pipe 170, the water pump 134 can provide power to generate negative pressure in the water flow channel 162, and water in the water bowl 150 is sucked into the water storage tank 120 from the water inlet 161.

As shown in fig. 5, 6 and 7, the front panel 132 is provided with an opening 136 having a long bar shape, the water pumping nozzle 160 is fixed with an operation block 164 convenient for a user to operate, the water pumping nozzle 160 is arranged on an inner surface of the front panel 132, the operation block 164 passes through the opening 136 and is exposed on an outer surface of the front panel 132, and the operation block 164 can move up and down with the water pumping nozzle 160 in a space defined by the opening 136. The front panel 132 is provided with a guide structure 133 and a limit structure 135 which are matched with the water pumping nozzle 160. The guide structure 133 and the limiting structure 135 are arranged on the inner surface of the front panel 132, and the guide structure 133 is used for limiting the sliding direction of the water pumping nozzle 160 on the main machine 130; the stop structure 135 is used to limit the sliding distance of the pumping nozzle 160 to enable the water inlet 161 to enter the water bowl 150 or leave the water bowl 150.

Specifically, as shown in fig. 6 and 7, the guiding structure 133 includes an upper fastening position 1332 and a lower fastening position 1331, the upper fastening position 1332 is located above the opening 136, and the lower fastening position 1331 is located below the opening 136. The water pumping nozzle 160 is arranged in the upper buckling position 1332 and the lower buckling position 1331, and the water pumping nozzle 160 can slide along the upper buckling position 1332 and the lower buckling position 1331 through the operation block 164, so that the water inlet 161 can enter and exit the water bowl 150. The limiting structure 135 comprises a convex point 165 and concave points 1351 and 1352, the convex point 165 is arranged on the outer surface of the water extracting nozzle 160, the concave points 1351 and the concave points 1352 are arranged on the front panel 132 in a vertical direction in a separated mode, and the distance between the concave points 1351 and the concave points 1352 defines the sliding stroke of the water extracting nozzle 160. When the water pumping nozzle 160 moves to the lowest position, the convex point 165 is matched with the concave point 1352, and the operation block 164 is positioned at the lowest part of the opening 136; when the pumping nozzle 160 is moved to the uppermost position, the convex point 165 and the concave point 1351 are matched, and the operation block 164 is positioned at the uppermost part of the opening 136. In this embodiment, when the pumping nozzle 160 is at the lowest position in the water bowl 150, the pumping nozzle 160 does not contact the water bowl 150; when the pumping nozzle 160 is moved to the highest position, the pumping nozzle 160 is hidden in the front panel 132. Similarly, in other embodiments, the front panel 132 may also be provided with protruding points, and correspondingly, the concave points are provided on the outer surface of the water pumping nozzle 160. The limit structure 135 is provided for two purposes, one is to limit the sliding stroke of the pumping nozzle 160, and the other is to let the user sense whether the pumping nozzle 160 reaches a designated position.

As shown in fig. 8, the water nozzle 160 is further provided with an elastic arm 166 and a capacitive water level detection device 167, the protruding point 165 is provided on the elastic arm 166, and the water nozzle 160 is provided with a space for accommodating the water level detection device 167. The water level detecting device 167 comprises a PCB board, a capacitive sensing layer (not shown) is disposed on the PCB board, and the PCB board and the capacitive sensing layer are enclosed in the water pumping nozzle 160.

As shown in fig. 9, the host 130 further includes a detection switch 137, and the detection switch 137 is disposed on an inner surface of the front panel 132. When the water pumping nozzle 160 slides to the lowest position of the stroke, the convex point 165 is matched with the concave point 1352, the water pumping nozzle 160 triggers the detection switch 137, and the detection switch 137 gives a signal that the water pumping nozzle 160 is located at the lowest position. The detection switch 137 is used to determine whether the water inlet 161 is at the lowest position in the water bowl 150.

As shown in fig. 3 and 10, a recess 153 is formed on a bottom surface 152 of the water containing space 151 of the water bowl 150, and the shape and size of the recess 153 is slightly larger than the outer size of the lower end of the water inlet 161 of the water pumping nozzle 160, so that water in the water containing space 151 enters the water inlet 161. With the water inlet 161 in the lowest position in the water bowl 150, the water inlet 161 is located in the recess 153, with the water inlet 161 being below the bottom surface 152. In this embodiment, the bottom surface 152 of the water containing space in the water bowl 150 is a slope of 5 degrees, and the slope is inclined downward toward the position of the recess 153.

Referring to fig. 11, 12, 13, 14, 15 and 16, unlike the previous embodiments, the embodiment of the present invention provides a solution that the water pumping nozzle 160 'is rotatably connected to the main unit 130' through a rotating shaft. Specifically, a first rotating shaft 168 and a second rotating shaft 169 extend from two side faces of the water pumping nozzle 160 'connected with the end (upper end) of the main machine 130', the first rotating shaft 168 and the second rotating shaft 169 are coaxially arranged, the water pumping nozzle 160 'is rotatably connected with the main machine 130' through the first rotating shaft 168 and the second rotating shaft 169, a water outlet 163 is arranged on the end face of the first rotating shaft 168, a through hole is formed in the first rotating shaft 168, the water flow channel 162 comprises a through hole in the first rotating shaft 168, and the water flow channel 162 is communicated with the water outlet 163 and the water inlet 161. In order to facilitate the rotation of the pumping nozzle 160' and the smooth of the water path during the rotation, the present embodiment is further provided with a bent sleeve 180 and a shaft sleeve 190. One end of the bent sleeve 180 is sleeved with the first rotating shaft 168, the other end of the bent sleeve 180 is connected with the water pump 134 through the water pipe 170 (when the negative pressure generating device is changed to be arranged in the water storage tank 120 to enable the water storage tank 120 to generate negative pressure, the other end of the bent sleeve 180 is connected with the water storage tank 120 through the water pipe 170), the shaft sleeve 190 is sleeved with the second rotating shaft 169, the first rotating shaft 168 can rotate in the bent sleeve 180, and the second rotating shaft 169 can rotate in the shaft sleeve 190. A sealing ring 181 is arranged at the joint of the first rotating shaft 168 and the bent sleeve 180, the sealing ring 181 is fixed in the bent sleeve 180 through a fixing piece 182, and the bent sleeve 180 is communicated with the water outlet 163. More specifically, in the present embodiment, the sealing ring 181 is sleeved on the outer surface of the first rotating shaft 168; the boss 191 is arranged on the shaft sleeve 190, and the groove 1691 and the groove 1692 are arranged on the second rotating shaft 169. When the water pumping nozzle 160 'rotates, the protrusion 191, the groove 1691 and the groove 1692 cooperate to form a positioning structure, and the rotation angle of the water pumping nozzle 160' can be limited by the cooperation of the groove 1691 and the groove 1692 and the protrusion 191. The pumping nozzle 160 'is rotatable about an axis of rotation relative to the main body 130' to effect the inlet 161 into and out of the bowl 150. When the bent sleeve 180 is understood as a portion of the pumping nozzle 160', the water outlet 163 may be understood as an end surface of the bent sleeve 180 connected to one end of the water pipe 170, and the water passage 162 communicates with the water outlet 163 after passing through the inner space of the first rotating shaft 168 and the inner space of the bent sleeve 180.

In a rotary embodiment, the detection switch 137 may be disposed at a position where the water pumping nozzle 160' is easily touched when rotated to the set position, and the detection switch 137 is used to determine whether the water inlet 161 is at the lowest position in the water bowl 150. As shown in fig. 13, a space 1601 for accommodating the water level detecting device 167 is provided in the pumping nozzle 160'.

In other embodiments, as shown in fig. 17, 18, 19, 20 and 21, it is another embodiment diagram of the water pumping nozzle 160 ″ rotatably connected to the main body 130 ″ through the rotating shaft 169'. The lower end of the water pumping nozzle 160 ' (provided with the water inlet 161) can rotate relative to the main machine 130 ', a rotating shaft 169 ' extends on one side surface of the water pumping nozzle 160 ', and the water pumping nozzle 160 ' is rotatably connected with the main machine 130 ' through the rotating shaft 169 '. The host 130 ″ is fixed with a socket 180 ', one end of the socket 180' is sleeved with a rotating shaft 169 '(the rotating shaft 169' is inserted in the socket 180 '), and the other end is connected with the water pump 134 through a water pipe 170 (when the negative pressure generating device is changed to be arranged in the water storage tank 120 to generate negative pressure in the water storage tank 120, the other end of the socket 180' is connected with the water storage tank 120 through the water pipe 170). The water outlet 163 is disposed on the end surface of the rotating shaft 169 ', and the water flow channel 162 is communicated with the water outlet 163 after passing through the inner space of the rotating shaft 169'. The joint of the rotating shaft 169 ' and the sleeve 180 ' is provided with a sealing ring 181 ', and the rotating shaft 169 ' can rotate in the sleeve 180 '. The sleeve 180 'is connected to the water outlet 163, and the power provided by the negative pressure generating device enables the sleeve 180' and the water flow channel 162 to generate negative pressure, so that the water inlet 161 generates water absorption power. As shown in fig. 20 and 21, the end of the water inlet 163 of the water pumping nozzle 160 ″ can rotate relative to the main unit 130 ″, and the main unit 130 ″, on which a positioning structure is provided, is matched with the water pumping nozzle 160 ″, and the positioning structure is used to limit the rotation angle (swing within a limited range) of the water pumping nozzle 160 ″. The positioning structure comprises a protrusion 1691, a groove 1321 and a groove 1322, and the cooperation of the protrusion 1691 and the groove 1321 is used for limiting the water pumping nozzle 160 ″ to be in a use state, and at the time, the water inlet 161 enters the water bowl 150 and is located at the lowest position of the water bowl 150; the engagement of the protuberance 1691 with the recess 1322 may define the pumping nozzle 160 ″ in a retracted state, in which the water inlet 161 is spaced from the water bowl 150, facilitating removal of the water bowl 150 from the placement platform 131.

In other embodiments, when the storage tank 120 is configured in a sealed structure (the storage tank 120 and the fresh water tank 110 are sealed by the sealing member 115), as shown in fig. 22 and 23, the negative pressure generating means may be replaced with an air pumping means 134', such as an air pump (vacuum air pump). The air extractor 134' is used to discharge the air in the water storage tank 120, so as to generate negative pressure in the water storage tank 120, so that the water in the water bowl 150 is directly sucked to the water storage tank 120 through the water pipe 170 from the water inlet 161 (at this time, the water pump 134 is not needed), and the waste water inlet of the water storage tank 120 is provided with the one-way valve 123, so that the waste water can only enter but not exit. At this time, an air outlet 121 is formed at the upper end of the water storage space in the water storage tank 120, the air in the water storage tank 120 is exhausted through the air outlet 121 by the air extractor 134 ', and the air extractor 134' may be installed on the host 130 or on the water storage tank 120. When the air extractor 134 'is installed on the main unit 130, as shown in fig. 22, an air exhaust passage 122 is installed in the water storage tank 120, the air exhaust passage 122 has two open ends, one of the open ends is a top space of the air exhaust port 121 extending to the water storage tank 120, and the other open end is installed outside the water storage tank 120 and connected to the air extractor 134'. As shown in fig. 23, when the air extractor 134 ' is disposed on the water storage tank 120, the air outlet (not shown, hidden by the air extractor 134 ') is directly disposed at the upper end of the water storage tank 120, and at this time, the air extractor 134 ' is preferably disposed at the air outlet, the air inlet of the air extractor 134 ' is connected to the air outlet, and the outside is connected to the inside of the water storage tank 120, so that the air extractor 134 ' directly exhausts the air in the water storage tank 120 when operating, and a negative pressure is generated in the water storage tank 120. The air extractor 134' is electrically connected with a control circuit (consisting of charged components) on the host 130 through a lead.

Because the negative pressure generating device and the water pumping nozzle are arranged in the embodiment, the water pumping nozzle is arranged above the placing platform 131 and can slide or rotate relative to the host machine, so that after the water bowl 150 is placed on the placing platform 131, the water inlet 161 can be arranged at the end for feeding and discharging the water bowl 150, and the operation of discharging waste water by the water dispenser 100 for pets is facilitated. When discharging the waste water, the user only needs to directly move the water pumping nozzle to make the water inlet 161 enter the water bowl 150, touch the detection switch 137 to provide a relevant signal, and then start the switch for pumping the waste water in the water bowl 150, so as to realize the waste water pumping action.

The above specific examples are used to illustrate the principles and embodiments of the present invention, and it should be understood that the above embodiments are only used to help understand the present invention, and should not be construed as limiting the present invention. Any minor modifications or equivalent replacements of the structural forms or constructions of the present invention according to the idea of the present invention shall be included in the protection scope of the present invention for those skilled in the art.

Claims (10)

1. The utility model provides a water dispenser for pet, includes host computer and the water bowl that is used for adorning pet drinking water, the water bowl is suitable for to place on the host computer, its characterized in that: the water pumping nozzle is provided with a water inlet, a water flow channel and a water outlet, and the water flow channel is communicated with the water inlet and the water outlet; one end of the water pumping nozzle, which is provided with the water inlet, can enter the water bowl, and the water storage tank is communicated with the water outlet to store water flowing out of the water outlet; the upper end of the water storage space in the water storage tank is provided with an air outlet, and the negative pressure generating device can discharge air in the water storage tank through the air outlet to generate negative pressure in the water storage tank, so that water in the water bowl is sucked to the water storage tank from the water inlet.

2. The water dispenser for pets according to claim 1, characterized in that: the negative pressure generating device is arranged on the host, an exhaust passage is arranged in the water storage tank, the exhaust passage is provided with two open ends, one open end is a top space of the exhaust port extending to the water storage tank, and the other open end is exposed outside the water storage tank to be communicated with the negative pressure generating device.

3. The water dispenser for pets according to claim 1, characterized in that: the air outlet is arranged on the box body of the water storage tank, and the negative pressure generating device is arranged on the water storage tank; the negative pressure generating device is an air pump and is positioned close to the air outlet.

4. The water dispenser for pets according to claim 1, characterized in that: the water pumping nozzle is positioned above the water bowl and can slide relative to the host; a guide structure and a limit structure which are matched with each other are arranged between the main machine and the water pumping nozzle, and the guide structure is used for limiting the sliding direction of the water pumping nozzle on the main machine; the limiting structure is used for limiting the sliding distance of the water pumping nozzle so as to realize that the water bowl can enter and exit the water bowl after being placed on the host machine.

5. The water dispenser for pets according to claim 4, characterized in that: the host computer includes the front panel, the front panel is located the top of water bowl, the opening that is equipped with on the front panel, be fixed with the operation piece on the water pumping nozzle, the water pumping nozzle is located the internal surface of front panel, the operation piece pass expose after the opening in the surface of front panel, the operation piece can take in the space that the opening was injectd the water pumping nozzle removes.

6. The water dispenser for pets according to claim 5, characterized in that: the guide structure is arranged on the front panel, the guide structure comprises an upper buckling position and a lower buckling position, the upper buckling position is arranged above the opening, the lower buckling position is arranged below the opening, the water pumping nozzle is arranged in the upper buckling position and the lower buckling position, and the water pumping nozzle slides in the direction limited by the upper buckling position and the lower buckling position.

7. The water dispenser for pets according to claim 5, characterized in that: the limiting structure is arranged on the front panel and comprises a convex point and a concave point, one of the convex point and the concave point is selected to be arranged on the front panel, and the other one is correspondingly arranged on the outer surface of the water pumping nozzle; the front panel is provided with two selected convex points or concave points which are arranged up and down, so that the sliding stroke of the water pumping nozzle is limited; the water pumping nozzle is provided with an elastic arm, and a convex point or a concave point arranged on the water pumping nozzle is positioned on the elastic arm; when the water pumping nozzle moves to the highest position, the water pumping nozzle is hidden in the front panel.

8. The water dispenser for pets according to claim 1, characterized in that: the water pumping nozzle is positioned above the water bowl and can rotate relative to the main machine; a first rotating shaft and a second rotating shaft extend from two side surfaces of one end of the water pumping nozzle connected with the main machine, the first rotating shaft and the second rotating shaft are coaxially arranged, and the water pumping nozzle is rotationally connected with the main machine through the first rotating shaft and the second rotating shaft; the water outlet is arranged on the first rotating shaft, and the water flow channel is communicated with the water outlet after passing through the inner space of the first rotating shaft; and a positioning structure is arranged on the second rotating shaft and used for limiting the rotating angle of the water pumping nozzle.

9. The water dispenser for pets according to claim 1, characterized in that: the water pumping nozzle is positioned above the water bowl and can rotate relative to the main machine; a rotating shaft extends from one side surface of the water pumping nozzle, and the water pumping nozzle is rotatably connected with the main machine through the rotating shaft; the water outlet is arranged on the rotating shaft, and the water flow channel is communicated with the water outlet after passing through the inner space of the rotating shaft.

10. The water dispenser for pets according to any one of claims 1 to 9, characterized in that: the bottom surface of the water bowl water containing space is provided with a concave part, the shape and the size of the concave part are slightly larger than the appearance size of the water inlet end arranged in the water pumping nozzle, the water inlet is positioned on the end surface of one end of the water pumping nozzle, and when the water inlet is at the lowest position in the water bowl, the water inlet is positioned in the concave part; the water pumping nozzle does not contact the water bowl.

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