CN117717014A - Water supply assembly, water supply system and have water dispenser of this system of pet water dispenser - Google Patents

Abstract

A water supply assembly, a water supply system and a water dispenser with the system of the pet water dispenser are low in noise, long in service life and capable of continuously or intermittently injecting purified water into a water drinking tray when no person is on duty. The upper end of the water supply pipe in the water supply assembly is connected to the water supply chamber at the top of the water dispenser case in a sealing way, the lower end of the water supply pipe is arranged in the water of the water storage tank of the water dispenser, and the lower end of the water supply pipe is provided with a one-way water valve for sucking the water in the water storage tank into the water supply pipe or keeping the water in the water supply pipe according to the running state of the water pump arranged in the water supply chamber. The water quantity sensor is adopted to automatically cut off the power supply and remind in the water shortage state in the water storage tank, the UV lamp is adopted to sterilize, so that the drinking water is cleaner, meanwhile, the multi-layer filtration of impurities in the water is adopted, the water quality is further purified, the case and the top cover made of stainless steel materials are adopted, and the water quality is convenient for a user to clean and has long service life.

Description

Water supply assembly, water supply system and have water dispenser of this system of pet water dispenser

Technical Field

The invention relates to a pet water dispenser, in particular to a pet water dispenser adopting a vane pump as water circulation power.

Background

Today's pet drinking water machine is becoming popular with pet owners because it provides clean, sterile and automatically circulated drinking water for pets (pet cats, pet dogs, etc.). Generally, a pet drinking machine includes a drinking water tray which is provided at the top of the drinking machine and is open, a water storage tank which is provided in a cabinet of the drinking machine, a water supply system which lifts water in the water storage tank and continuously injects the water into the drinking water tray, a reflux system which reflux the remaining water in the drinking water tray into the water storage tank, a water filtering device, and the like.

The water supply system adopted by the pet water dispenser in the prior art for lifting the water in the water storage tank to the water drinking tray is approximately as follows:

1. the submerged pump placed in the water storage tank is adopted, and water in the water storage tank is extruded upwards through the water supply pipe and sprayed out through the water injection port. The submerged pump of the water supply system is placed in water for a long time, and the existing defects are as follows: firstly, the service life of the device is influenced; secondly, a power supply and a signal control wire for controlling the water pump are required to be placed in water, so that certain hidden danger is brought to the use; thirdly, the noise of the submersible pump is larger.

2. A diaphragm pump is arranged at the top of a case of the water dispenser, and water in the water storage tank is lifted up through a water supply pipe extending into the water storage tank and is injected into a water drinking tray. The water supply system has the following defects: firstly, the service life of the diaphragm pump is shorter; secondly, the noise is larger; thirdly, after the diaphragm pump stops running, water in the water supply pipe can flow back into the water storage tank, when the diaphragm pump is started to work next time, the diaphragm pump can be pumped normally only by filling water into the water supply pipe, so that when a pet owner goes out for a plurality of days without being on duty, the diaphragm pump needs to work continuously, and otherwise, the water supply to the water drinking disc is interrupted.

Disclosure of Invention

The invention aims to solve the technical problem of providing a water supply assembly, a water supply system and a water dispenser with the water supply assembly, wherein the water supply assembly is low in noise, long in service life and capable of continuously or intermittently injecting purified water into a water drinking tray when no person is on duty.

In order to solve the technical problems, the invention adopts the following technical scheme:

the invention relates to a water supply assembly for a pet water dispenser, which comprises a water supply pipe and is characterized in that: the upper end of the water supply pipe is connected to the water supply chamber at the top of the case of the water dispenser in a sealing way, the lower end of the water supply pipe is arranged in the water of the water storage tank of the water dispenser, and a one-way water valve for sucking the water in the water storage tank into the water supply pipe or keeping the water in the water supply pipe according to the running state of the water pump arranged in the water supply chamber is arranged at the lower end of the water supply pipe.

The one-way water valve consists of an upper valve shell, a bottom valve shell and a valve support column, wherein the upper end of the upper valve shell is communicated with the water supply pipe and is in sealing connection, the upper valve shell is in sealing connection with the bottom valve shell, a hollow inner cavity is formed between the upper valve shell and the bottom valve shell, the valve support column is arranged in the hollow inner cavity, a base frame plate connected with the upper end of the valve support column is arranged in the upper valve shell, water through holes which enable the hollow inner cavity to be communicated with the water supply pipe are formed in two sides of the base frame plate, water inlet holes which enable water in the water storage tank to enter the hollow inner cavity are formed in the bottom surface of the bottom valve shell, and an elastic thin valve plate which enables the water inlet holes to be communicated with the hollow inner cavity when the water pressure in the water storage tank is larger than the water pressure in the water supply pipe or enables the water inlet holes to be sealed when the water pressure in the water supply pipe is larger than the water pressure in the water storage tank is arranged at the bottom of the bottom valve support column.

The valve upper shell is of an integrated structure and is divided into three sections from top to bottom, namely an inserting means, a middle section and a connecting section, wherein the inserting section is tubular and is inserted into a water supply pipe upwards, and the inserting section and the water supply pipe are connected in a sealing way; the middle section is formed by an outer side part and a central part, the cross section of the outer side part is in an inverted trapezoid shape, the cross section of the central part is in an inverted trapezoid shape, the lower bottom of the trapezoid is open and is communicated with the insertion section, the base plate is the upper bottom of the trapezoid, an annular water passing cavity is formed between the outer side part and the central part, the water passing holes are arranged on two waists of the trapezoid, and positioning columns extending downwards are arranged on the lower surface of the base plate; the connecting section is in a horn shape, the upper end of the connecting section is connected with the outer side part of the middle section, and the lower end of the connecting section is connected with the valve bottom shell; the upper surface of the valve support column is provided with a positioning hole which can enable the positioning column to be inserted into the positioning hole, and the depth of the positioning hole is greater than or equal to the length of the positioning column.

The one-way water valve consists of a valve upper shell, a valve bottom shell and a valve ball, wherein the valve upper shell is tubular with a hollow inner channel, the upper end of the valve upper shell is communicated and connected with the water supply pipe, the hollow inner channel is divided into an upper section and a lower section, ball blocking ribs which extend from top to bottom and protrude towards the axis direction of the hollow inner channel are arranged on the inner wall of the hollow inner channel of the upper section, the lower section of the valve ball is a columnar channel, the valve ball is arranged in the lower section, and the ball diameter of the valve ball is smaller than the diameter of the hollow inner channel of the lower section; the valve bottom shell is connected with the valve upper shell, a water inlet hole which can enable water in the water storage tank to enter the hollow inner cavity is formed in the center of the valve bottom shell, and a sealing gasket which surrounds the water inlet hole and enables the water inlet hole to be communicated with the hollow inner channel when the water pressure in the water storage tank is larger than the water pressure in the water supply pipe or is pressed by the valve ball when the water pressure in the water supply pipe is larger than the water pressure in the water storage tank so as to seal the water inlet hole is arranged on the inner side of the water inlet hole.

The number of the ball blocking ribs is three.

The one-way water valve consists of an upper valve shell, a middle valve shell and an anchor plug arranged in the middle valve shell, wherein the upper valve shell and the middle valve shell are both tubular with a hollow inner channel, the upper end of the upper valve shell is communicated with the water supply pipe, the lower end of the upper valve shell is connected with the upper end of the middle valve shell, a bottom barrel which extends downwards and is in a hollow truncated cone shape is arranged on the inner side wall of the middle valve shell, the barrel bottom of the bottom barrel is a water inlet hole which can enable water in a water storage tank to enter the hollow inner channel, and the anchor plug is blocked by the water inlet hole when the water pressure in the water storage tank is greater than the water pressure in the water supply pipe or is blocked on the water inlet hole by the blocking when the water pressure in the water supply pipe is greater than the water pressure in the water storage tank.

The anchor type plug consists of a spherical crown or conical head and a positioning center shaft, a sealing gasket is embedded on the outer circumferential wall of the head, and the sealing gasket is arranged between the inner wall of the bottom cylinder and the outer wall of the head when the head is inserted into the water inlet hole; the inner wall of the valve upper shell is provided with a positioning shaft sleeve extending to the axis of the shell, and the upper end of the positioning center shaft is inserted into the positioning shaft sleeve.

The one-way water valve consists of a valve upper shell, a valve bottom shell and a rubber valve which is arranged in the valve upper shell and is in a cone tower shape, the valve upper shell is in a tube shape with a hollow inner channel, the upper end of the valve upper shell is communicated with the water supply pipe, the lower end of the valve upper shell is connected with the plate-shaped valve bottom shell, a water inlet hole which can enable water in the water storage tank to enter the hollow inner channel is arranged on the valve bottom shell, the rubber valve is reversely buckled on the valve bottom shell and covers the water inlet hole, a water passing hole is arranged at the top end of the rubber valve, and the water passing hole is opened when the water pressure in the water storage tank is larger than the water pressure in the water supply pipe or is closed when the water pressure in the water supply pipe is larger than the water pressure in the water storage tank.

The utility model provides a water supply system for on pet water dispenser, includes the water supply room that sets up at this water dispenser machine case top and installs the impeller formula water pump in the water supply room, is equipped with respectively on the bottom plate and the curb plate of water supply room and can pump into the water inlet in this water supply room and can pump the delivery port in the pet drinking water tray with the purifier in the water supply room through the delivery pipe with the water in the water storage tank of quick-witted incasement, its characterized in that: the lower end of the water supply pipe is provided with the water supply assembly used on the pet water dispenser.

The utility model provides a pet water dispenser, includes the pet water drinking tray that sets up in this water dispenser top, sets up the storage water tank in quick-witted incasement and can purify the water in the storage water tank and the water supply system in the water drinking tray is gone into through the pump after disinfecting, its characterized in that: the water supply system is used on the pet water dispenser.

The water supply system of the centrifugal pump and the one-way water valve can effectively prolong the service life of the water supply system, the water quantity sensor can automatically cut off and remind in the water shortage state in the water storage tank, the UV lamp is adopted for sterilization to enable the drinking water to be cleaner, meanwhile, the water quality is further purified by adopting the multi-layer filtration of impurities (the one-way water valve head filtration and the filtration cotton filtration) in the water, and the machine box and the top cover which are made of stainless steel materials are convenient for a user to clean and have long service life.

Drawings

Fig. 1 is a schematic view of a pet drinking machine of the present invention.

Fig. 2 is an exploded view of the water pump assembly and the housing of fig. 1.

Fig. 3 is an exploded view of fig. 1.

Fig. 4 is a cross-sectional view A-A of fig. 1.

Fig. 5 is an enlarged schematic view of embodiment 1 of the one-way water valve of section B of fig. 4.

Fig. 6 is a schematic view of embodiment 2 of the one-way water valve of section B of fig. 4.

Fig. 7 is a schematic view of embodiment 3 of the one-way water valve of section B of fig. 4.

Fig. 8 is a schematic view of embodiment 4 of the one-way water valve of section B of fig. 4.

Fig. 9 is an enlarged schematic view of the portion C in fig. 4.

Fig. 10 is an exploded view of the other view of fig. 1.

The reference numerals are as follows:

the water supply assembly 1, the water supply pipe 2, the water supply system 3, the main control circuit board 31, the water pump 32, the stator 321, the rotor 322, the impeller 323, the UV lamp 33, the water volume sensor 34, the water supply chamber 35, the open water channel 36, the top seat chamber 37, the water accumulation chamber 371, the water inlet 372, the water inlet pipe 373, the overflow 374, the water outlet 375, the base chamber 38, the return line 381, the bottom shell 39, the pet water dispenser 4, the cabinet 41, the water storage tank 42, the drinking bowl 43, the top cover 44, the assembly hole 45, the water injection channel 46, the water cup 5, the one-way water valve 100, the valve upper shell 101, the valve middle shell 102, the valve bottom shell 103, the hollow inner cavity 104, the hollow inner channel 105, the water passing hole 106, the water inlet 107, the bottom shell cover 108, the filter cotton 109, the valve post 110, the base 111, the positioning post 112, the positioning hole 113, the elastic thin valve plate 114, the valve ball 115, the blocking bead 116, the gasket 117, the bottom cylinder 118, the anchor plug 119, the head 120, the sealing gasket 121, the center shaft 122, the positioning sleeve 123, the rubber valve 124, and the conical surface 125.

Detailed Description

The invention discloses a novel water supply assembly 1 applied to a pet water dispenser 4, a water supply system 3 and the pet water dispenser 4 with the water supply system 3.

1. Water supply assembly 1:

as shown in fig. 1, 4-8, the water dispenser comprises a water supply pipe 2 and a one-way water valve 100, wherein the upper end of the water supply pipe 2 is connected to a water supply chamber 35 positioned at the upper part in a case 41 of the water dispenser in a sealing manner, and the one-way water valve 100 is assembled at the lower end of the water supply pipe 2 and immersed in a water storage tank 42 of the water dispenser. The one-way water valve 100 is provided to enable the water supply assembly 1 to smoothly lift water in the water storage tank 42 into the water supply chamber 35 provided at the top of the cabinet 41 when the water pump 32 (the water pump 32 is preferably the impeller 323 type water pump 32) provided at the top of the cabinet 41 of the water dispenser is in an operating state, and clean water in the water supply chamber 35 is injected into the water drinking tray 43 of the water dispenser through the water outlet 375 provided at the side wall of the water supply chamber 35.

After the water is continuously injected into the water tray 43 for a period of time, the water pump 32 stops working and is in a standby state, and at this time, the one-way water valve 100 can enable water in the water supply pipe 2 to remain in the water supply pipe 2, that is, although the water pump 32 stops working, the water level in the water supply pipe 2 does not drop, which also provides a medium for water pulling for the impeller 323 when the water pump 32 is started next time. When the water pump 32 is started to operate, the impeller 323 placed in the water supply chamber 35 makes the water in the water supply pipe 2 flow upward, and the upward flowing water makes the upper and lower ends of the water supply pipe 2 form a negative pressure difference, so that the one-way water valve 100 is opened and the water in the water storage tank 42 is continuously sucked into the water supply pipe 2.

The water supply assembly 1 has the advantages of simple structure, stable water supply, low noise and no fear of temporary power failure, and can automatically and regularly supply water to the water drinking disc 43 especially when a pet owner goes out for a long time and is unattended.

The specific structure of the one-way water valve 100 in the water supply assembly 1 of the present invention is described in detail in the fourth section that follows.

2. And a water supply system 3:

1. structure of the

As shown in fig. 1 to 3, 9 and 10, the water dispenser comprises a water supply chamber 35 arranged at the top of a case 41 of the water dispenser, a water pump 32 (preferably an impeller 323 type water pump 32, also called a centrifugal pump) arranged in the water supply chamber 35, a main control circuit board 31, a UV lamp 33 (ultraviolet lamp) for sterilizing and disinfecting, a water return line 381 and the water supply assembly 1.

The top of the case 41 is provided with a water dispenser top cover 44, the side of the top cover 44 is provided with an assembly hole 45 (the other side part of the top cover 44 can be used as a water drinking disc 43), the upper part and the lower part of the assembly hole 45 are respectively provided with a top seat chamber 37 and a base chamber 38, the top seat chamber 37 and the base chamber 38 are preferably assembled together by adopting a fastening structure, a space in the top seat chamber 37 forms a water accumulation chamber 371 capable of installing a water pumping device, the bottom of the water accumulation chamber 371 is provided with a water inlet 372, the water inlet 372 is provided with a hard water inlet 373, and the water supply pipe 2 in the water supply assembly 1 is sleeved on the water inlet 373.

The water pumping device is packaged in a box body and comprises a main control circuit board 31 and a water pump 32 (comprising a stator 321, a rotor 322 and an impeller 323), wherein the main control circuit board 31 is arranged in the box body and positioned on the inner side of a chamber cover plate above the water pump 32, the stator 321 and the rotor 322 of the water pump 32 are arranged in the middle part of the box body, other spaces in the box body form a water supply chamber 35, the cross section of the water supply chamber 35 is L-shaped, an open water channel 36 is arranged on the bottom plate of the water supply chamber 35, the impeller 323 fixedly connected at the lower end of the rotor 322 is arranged in the open water channel 36, and when the water pumping device is placed in a water accumulation chamber 371, the open water channel 36 is arranged right above a water inlet 372.

The main control circuit board 31, the stator 321 and the rotor 322 installed in the case are water-tightly separated from the water supply chamber 35, and only the impeller 323 installed at the end of the rotor 322 is placed in the water of the water supply chamber 35.

A water outlet 375 is provided at an upper position of the side plate of the water supply chamber 35, and the impeller 323 pumps water in the water supply chamber 35 out of the water outlet 375 to the water tray 43 as the water pump 32 operates.

The UV lamp 33 is disposed in the water supply chamber 35 at a position at the rear side of the impeller 323 (the water outlet end is the rear and the water inlet end is the front), and the UV lamp 33 disinfects the purified water flowing to the water outlet 375.

The water supply chamber 35 is further provided with a water quantity sensor 34 which can indirectly judge the water level in the water storage tank 42 by detecting whether the water supply chamber 35 is lack of water, namely, when the water level in the water storage tank 42 is lower than the position of the water inlet 107 of the one-way water valve 100 in the water supply assembly 1, the running water pump 32 can not suck the water in the water storage tank 42 into the water supply pipe 2, so that no water supply state can occur in the water supply chamber 35.

A peripheral edge extending to the periphery of the water accumulation chamber 371 of the top seat chamber 37 is arranged at the top of the water accumulation chamber 371, and an overflow port 374 is arranged on the peripheral edge for discharging excessive water accumulation into the water storage tank 42 after the water accumulation in the water accumulation chamber 371 passes through the chamber top.

A bottom case 39 mounted on the base chamber 38 is also provided below the base chamber 38, a filter cotton 109 for filtering impurities in the backwater water is provided between the bottom case 39 and the bottom plate of the base chamber 38, a backwater pipe 381 for allowing backwater water flowing down from the overflow port 374 in the water pan 43 to flow down into the water tank 42 through the filter cotton 109 is provided between the bottom case 39 and the side wall of the base chamber 38.

The return line 381 is sealed from the water supply chamber 35.

2. Using

When the water dispenser is used for the first time, the water cup 5 is used for injecting purified water into the water drinking disc 43 (other automatic water injection devices can be adopted for water injection), water in the water drinking disc 43 flows into the water accumulation cavity 371 through the water injection channel 46 at the side of the water drinking disc 43, and then is injected into the water supply pipe 2 through the water accumulation cavity 371, as the bottom end of the water supply pipe 2 is provided with the one-way water valve 100 (under the gravity of accumulated water in the water supply pipe 2, the one-way water valve 100 is closed), after the water accumulation cavity 371 and the water supply pipe 2 are filled, a box body for packaging the water pumping device is placed into the water accumulation cavity 371, the bottom of the box body is contacted with the cavity bottom of the water accumulation cavity 371, and in the placing process, water in the water accumulation cavity 371 enters the water supply cavity 35 through the open water channel 36 and enables the water level to overflow the impeller 323 of the water pump 32. At this time, the water pump 32 is started to operate, and the water in the water supply chamber 35 is pumped out from the water outlet 375 by the rotation of the impeller 323, so that a negative pressure difference (small upper part and large lower part) is formed at the upper end and the lower end of the water supply pipe 2, and then the one-way water valve 100 is opened, and along with the continuous operation of the water pump 32, the water in the water storage tank 42 is continuously sucked into the water supply pipe 2.

When the water pump 32 stops working (no matter the water supply is manually set to be stopped or the water supply is suddenly stopped by power failure), the impeller 323 stops rotating, at this time, the pressure difference between the upper end and the lower end of the water supply pipe 2 is zero, and the one-way water valve 100 arranged at the lower end of the water supply pipe 2 is closed under the action of the gravity of the water remained in the water supply pipe 2, so that the water in the water supply pipe 2 and the water supply chamber 35 cannot be lost, and the impeller 323 is ensured to be provided with a stimulable water medium when the water pump 32 is started next time.

3. Pet drinking machine 4

As shown in fig. 1-3 and 10, the external contour shape of the pet drinking machine 4 of the present invention may be rectangular, cylindrical or elliptical. It comprises a case 41, a drinking bowl 43 for drinking water for pets and the water supply system 3.

The water storage tank 42 for storing a large amount of drinking water is arranged in the case 41, the top cover 44 is arranged on the case 41, and the water supply system 3 is arranged on one side of the top cover 44.

The middle of the drinking water tray 43 is slightly concave downwards, a plurality of overflow ports 374 are arranged at the side of the drinking water tray, and excessive purified water injected into the drinking water tray 43 can flow back into the water storage tank 42 through the overflow ports 374 via a return pipeline 381.

A switch button and an associated indicator light for activating the water pump 32 are also provided on the water dispenser.

The pet water dispenser 4 has attractive appearance, and the adopted impeller 323 type water pump 32 has the advantages of low noise, strong water pumping capacity, long service life and the like, and is arranged at the top of the case 41 far away from the water storage container, so that the water dispenser can effectively avoid erosion of water to the rotor 322, the stator 321 and related circuit boards. The water flow structure adopted by the primary water injection and the overflow drainage can effectively avoid the pollution of the backwater flowing back to the water purification in the water storage chamber caused by excessive water injection in the water supply process of the water drinking disc 43. In addition, after the pet water dispenser 4 is used for injecting water into the water storage chamber and the water supply pipe 2 for the first time, the intermittent operation of the water pump 32 does not influence the water supply system 3 to continuously and normally inject water into the water drinking disc 43, so that the operation task of providing purified water for the water drinking disc 43 can be automatically and regularly completed when a pet owner goes out for a long time without being on duty.

4. The one-way water valve 100 in the water supply assembly 1 of the present invention is preferably constructed as follows.

1. Breathing type membrane valve

As shown in fig. 4 and 5, the one-way water valve 100 comprises a valve upper shell 101, a valve bottom shell 103 and a valve support column 110, wherein the valve upper shell 101 is in sealing connection with the valve bottom shell 103, a hollow inner cavity 104 is formed between the valve upper shell 101 and the valve bottom shell 103 after the valve upper shell 101 is combined with the valve bottom shell 103, and the valve support column 110 is arranged in the hollow inner cavity 104.

The valve upper case 101 is an integral structure, which is divided into three sections from top to bottom, which are called an insertion means, a middle section and a joining section, respectively.

The insertion section is tubular, is inserted upwards into the water supply pipe 2 and is communicated with the water supply pipe 2, and is connected with the water supply pipe 2 in a sealing way;

the middle section is divided into an outer side part and a central part from outside to inside, the cross section of the outer side part is in an inverted trapezoid shape, the cross section of the central part is in an inverted trapezoid shape, the upper ends of the outer side part and the central part are intersected with the lower end of the insertion section, and an annular water passing cavity is formed between the outer side part and the central part. The lower bottom of the trapezoid (the longer bottom of the trapezoid) at the central part is open and communicated with the insertion section, the upper bottom of the trapezoid is a base plate (called as a base plate 111), and a positioning column 112 extending downwards is arranged on the lower surface of the base plate 111. Water through holes 106 are arranged on two waists of the trapezoid at the central part, and the water through holes 106 connect the hollow inner cavity 104 with the inside of the pipe of the insertion section.

The connecting section is horn-shaped, the upper end of the connecting section is connected with the outer side part of the middle section, and the lower end of the connecting section is connected with the valve bottom shell 103 (the connecting section can be connected by ultrasonic welding or screw thread screwing).

The valve bottom case 103 has an arc-shaped cross section, a water inlet 107 for allowing water in the water tank 42 to enter the hollow cavity 104 is provided on the bottom surface thereof, a bottom case cover 108 is provided below the valve bottom case 103, the bottom case cover 108 has a mesh structure, and filter cotton 109 for purifying and filtering the water is provided in the bottom case cover 108.

The upper half section of the valve support column 110 is cylindrical, the lower half section thereof is arched in cross-section, a positioning hole 113 for inserting the positioning column 112 therein is provided on the top surface of the valve support column 110, the positioning hole 113 is preferably a blind hole, and the depth of the positioning hole 113 is greater than or equal to the length of the positioning column 112. An annular elastic thin valve plate 114 (the diameter of the elastic thin valve plate 114 is larger than the diameter of the water inlet hole 107) which can cover the water inlet hole 107 is arranged on the periphery of the lower half section of the valve support column 110, when the water pressure in the water storage tank 42 is larger than the water pressure in the water supply pipe 2 (namely, a negative pressure difference is formed at the upper end and the lower end of the water supply pipe 2), the elastic thin valve plate 114 is upwards tilted by the upward water pressure, so that the water inlet hole 107 is opened, and water in the water storage tank 42 flows into the water supply pipe 2 (the purpose of pumping water is achieved) through the water inlet hole 107, the hollow inner cavity 104 and the water outlet hole 106 in sequence; when the water pump 32 stops running, under the gravity action of the water retained in the water supply pipe 2, the elastic thin valve plate 114 is tightly attached to the water inlet 107 by the downward water pressure and seals the water inlet 107, so that the water in the water supply pipe 2 is retained in the pipe (the purpose of preventing the water in the water supply pipe 2 from leaking is achieved).

2. Floating ball type water valve

As shown in fig. 4 and 6, the one-way water valve 100 comprises a valve upper shell 101, a valve bottom shell 103 and a valve ball 115, wherein the valve upper shell 101 is tubular with a hollow inner channel 105, the upper end of the valve upper shell is communicated with the water supply pipe 2, the hollow inner channel 105 is divided into an upper section and a lower section, a plurality of ball blocking ribs 116, preferably three, are arranged on the inner wall of the hollow inner channel 105 at the upper section, and the ball blocking ribs 116 extend from top to bottom and protrude towards the axial direction of the hollow inner channel 105; the lower section of the valve ball 115 is a cylindrical channel, the valve ball 115 is arranged in the lower section, the ball diameter of the valve ball 115 is smaller than the diameter of the hollow inner channel 105 of the lower section, and is larger than the diameter of a virtual annular hole surrounded by connecting lines at the lower ends of the plurality of ball blocking ribs 116, namely, the valve ball 115 can be blocked by the ball blocking ribs 116 when floating upwards, and the space between two adjacent ball blocking ribs 116 is a channel for water to flow.

The valve bottom shell 103 is sealingly engaged with the valve top shell 101 and may be connected therebetween in a variety of manners known in the art. A water inlet 107 for allowing water in the water tank 42 to enter the hollow cavity 104 is provided in the center of the valve bottom case 103, and a gasket 117 provided around the water inlet 107 is provided inside the water inlet 107.

When the water pressure in the water storage tank 42 is greater than the water pressure in the water supply pipe 2, the valve ball 115 floats upwards (the valve ball 115 is blocked at the lower end of the ball blocking rib 116 along with the upward flow of water flow), the water inlet 107 is opened, and the water in the water storage tank 42 flows into the water supply pipe 2 through the water inlet 107 and the hollow inner channel 105 (the purpose of pumping water is achieved); when the water pump 32 stops running, under the gravity action of the water retained in the water supply pipe 2, the valve ball 115 is pressed by the water above to move downwards and is blocked on the sealing pad 117, so that the purpose of blocking the water inlet 107 is achieved, and the water in the water supply pipe 2 is retained in the pipe (the purpose of preventing the water in the water supply pipe 2 from leaking is achieved).

The valve ball 115 is preferably made of glass.

A bottom cover 108 is further provided below the valve bottom cover 103, the bottom cover 108 has a mesh structure, and filter cotton 109 for purifying and filtering the intake water is provided in the bottom cover 108.

3. Ship anchor type water valve

As shown in fig. 4 and 7, the one-way water valve 100 is composed of a valve upper case 101, a valve middle case 102, a valve bottom case 103, and an anchor plug 119 provided in the valve middle case 102.

The valve upper shell 101 and the valve middle shell 102 are both tubular with a hollow inner channel 105, the upper end of the valve upper shell 101 is connected with the water supply pipe 2, the lower end of the valve upper shell 101 is connected with the upper end of the valve middle shell 102, the lower end of the valve middle shell 102 is connected with the valve bottom shell 103, and the connection modes of the valve upper shell 101, the valve middle shell and the valve bottom shell can adopt sealing connection modes in the prior art, such as ultrasonic welding connection, threaded screwing connection or male-female buckling with a sealing ring.

A positioning boss 123 extending toward the housing axis is provided on the inner wall of the valve upper housing 101.

A bottom cylinder 118 which is folded towards the axis of the shell and extends downwards and is hollow in a round table shape is arranged on the inner side wall of the shell 102 in the valve, and the cylinder bottom of the bottom cylinder 118 is open, so that water in the water storage tank 42 can enter the water inlet 107 in the hollow inner channel 105.

The valve bottom case 103 is a plate-type case with a mesh structure, and is provided with filter cotton 109 for purifying and filtering the intake water.

The anchor plug 119 is composed of a spherical crown or conical head 120 and a positioning center shaft 122, a sealing gasket 121 is embedded on the outer circumferential wall of the head 120, and the upper end of the positioning center shaft 122 is inserted into the positioning shaft sleeve 123.

When the water pressure in the water storage tank 42 is greater than the water pressure in the water supply pipe 2, the anchor plug 119 moves upwards, the water inlet 107 is opened, and the water in the water storage tank 42 flows into the water supply pipe 2 through the water inlet 107 and the hollow inner channel 105 (the purpose of pumping water is achieved); when the water pump 32 stops running, under the gravity action of the water retained in the water supply pipe 2, the anchor plug 119 is pressed by the water above to move downwards, and the head 120 of the anchor plug is inserted into the water inlet 107 and seals the water inlet 107 with the sealing gasket 121, that is, the water inlet 107 is sealed, so that the water in the water supply pipe 2 is retained in the pipe (the purpose of preventing the water in the water supply pipe 2 from leaking is achieved).

4. Duckbill type water valve

As shown in fig. 4 and 8, the one-way water valve 100 is composed of a valve upper case 101, a valve bottom case 103, and a rubber valve 124 provided in the valve upper case 101 and having a conical tower shape.

The valve upper case 101 has a tubular shape with a hollow inner passage 105, the upper end of the valve upper case 101 is connected to the water supply pipe 2, the lower end of the valve upper case 101 is connected to the plate-shaped valve bottom case 103, the valve bottom case 103 is provided with a water inlet 107 for allowing water in the water storage tank 42 to enter the hollow inner passage 105, and the rubber valve 124 is inversely fastened to the valve bottom case 103 and covers the water inlet 107.

The bottom of the rubber valve 124 is provided with an outwardly extending annular rim that is captured between the valve upper case 101 and the valve bottom case 103 to restrain the rubber valve 124 from drifting upward. A water passing hole 106 is provided at the top end (i.e., the position of the cone apex) of the rubber valve 124.

When the water pressure in the water storage tank 42 is greater than the water pressure in the water supply pipe 2, the soft conical surface 125 of the rubber valve 124 expands upwards, the water passing hole 106 is opened, and the water in the water storage tank 42 flows into the water supply pipe 2 through the water inlet hole 107, the water passing hole 106 and the hollow inner channel 105 (the purpose of pumping water is achieved); when the water pump 32 stops running, under the action of the gravity of the water retained in the water supply pipe 2, the conical surface 125 of the rubber valve 124 collapses downwards, and the water through hole 106 is pressed and closed, so as to achieve the purpose of blocking the water inlet 107, thereby retaining the water in the water supply pipe 2 in the pipe (achieving the purpose of preventing the water in the water supply pipe 2 from leaking).

Claims (10)

1. A water supply assembly for a pet drinking machine, comprising a water supply pipe (2), characterized in that: the upper end of the water supply pipe (2) is connected to a water supply chamber (35) positioned at the top of the water dispenser cabinet (41) in a sealing way, the lower end of the water supply pipe (2) is arranged in water of a water storage tank (42) of the water dispenser, and a one-way water valve (100) for sucking the water in the water storage tank (42) into the water supply pipe (2) or reserving the water in the water supply pipe (2) in the water according to the running state of a water pump (32) arranged in the water supply chamber (35) is arranged at the lower end of the water supply pipe (2).

2. The water supply assembly for use in a pet drinking machine as claimed in claim 1, wherein: the one-way water valve (100) consists of a valve upper shell (101), a valve bottom shell (103) and a valve support column (110), wherein the upper end of the valve upper shell (101) is communicated with the water supply pipe (2) and is in sealing connection, the valve upper shell (101) is in sealing connection with the valve bottom shell (103) and forms a hollow inner cavity (104) therebetween, the valve support column (110) is arranged in the hollow inner cavity (104), a base frame plate (111) connected with the upper end of the valve support column (110) is arranged in the valve upper shell (101), water through holes (106) which enable the hollow inner cavity (104) to be communicated with the water supply pipe (2) are arranged on two sides of the base frame plate (111), water inlet holes (107) which enable water in the water storage tank (42) to enter the hollow inner cavity (104) are arranged on the bottom surface of the valve bottom shell (103), and elastic water inlet holes (107) which enable the water inlet holes (107) to be communicated with the hollow inner cavity (104) when the water pressure in the water supply pipe (42) is larger than the water pressure in the water supply pipe (2) or water inlet valve plates (114) to seal water inlet holes (107) when the water pressure in the water storage tank (42) is larger than the water pressure in the water storage tank (42).

3. The water supply assembly for use in a pet drinking machine as claimed in claim 2, wherein: the valve upper shell (101) is of an integrated structure and is divided into three sections from top to bottom, namely an inserting means, a middle section and a connecting section, wherein the inserting section is tubular and is inserted into the water supply pipe (2) upwards, and the inserting section and the water supply pipe are connected in a sealing way; the middle section is formed by an outer side part and a central part, the cross section of the outer side part is in an inverted trapezoid shape, the cross section of the central part is in an inverted trapezoid shape, the lower bottom of the trapezoid is open and is communicated with the insertion section, the base plate (111) is the upper bottom of the trapezoid, an annular water passing cavity is formed between the outer side part and the central part, the water passing holes (106) are formed in two waists of the trapezoid, and positioning columns (112) extending downwards are arranged on the lower surface of the base plate (111); the connecting section is in a horn shape, the upper end of the connecting section is connected with the outer side part of the middle section, and the lower end of the connecting section is connected with the valve bottom shell (103); the upper surface of the valve support column (110) is provided with a positioning hole (113) which can enable the positioning column (112) to be inserted into the positioning hole, and the depth of the positioning hole (113) is greater than or equal to the length of the positioning column (112).

4. The water supply assembly for use in a pet drinking machine as claimed in claim 1, wherein: the one-way water valve (100) consists of a valve upper shell (101), a valve bottom shell (103) and a valve ball (115), wherein the valve upper shell (101) is tubular with a hollow inner channel (105), the upper end of the valve upper shell is communicated with the water supply pipe (2), the hollow inner channel (105) is divided into an upper section and a lower section, ball blocking ribs (116) which extend from top to bottom and protrude towards the axis direction of the hollow inner channel (105) are arranged on the inner wall of the hollow inner channel (105) at the upper section, the lower section is a columnar channel, the valve ball (115) is arranged in the lower section, and the ball diameter of the valve ball (115) is smaller than the diameter of the hollow inner channel (105) at the lower section; the valve bottom shell (103) is connected with the valve upper shell (101), a water inlet hole (107) which can enable water in the water storage tank (42) to enter the hollow inner cavity (104) is arranged in the center of the valve bottom shell (103), and a sealing gasket (117) which surrounds the water inlet hole (107) and enables the water inlet hole (107) to be communicated with the hollow inner channel (105) when the water pressure in the water storage tank (42) is larger than the water pressure in the water supply pipe (2) or is pressed by the valve ball (115) when the water pressure in the water supply pipe (2) is larger than the water pressure in the water storage tank (42) so as to seal the water inlet hole (107) is arranged on the inner side of the water inlet hole (107).

5. The water supply assembly for use in a pet drinking machine as claimed in claim 4, wherein: the number of the ball blocking ribs (116) is three.

6. The water supply assembly for use in a pet drinking machine as claimed in claim 1, wherein: the one-way water valve (100) consists of a valve upper shell (101), a valve middle shell (102) and an anchor plug (119) arranged in the valve middle shell (102), wherein the valve upper shell (101) and the valve middle shell (102) are both tubular with a hollow inner channel (105), the upper end of the valve upper shell (101) is communicated with the water supply pipe (2), the lower end of the valve upper shell (101) is connected with the upper end of the valve middle shell (102), a bottom barrel (118) which extends downwards and is in a hollow truncated cone shape is arranged on the inner side wall of the valve middle shell (102), the barrel bottom of the bottom barrel (118) is a water inlet hole (107) which can enable water in a water storage tank (42) to enter the hollow inner channel (105), and the anchor plug (119) is separated from the water inlet hole (107) when the water pressure in the water storage tank (42) is larger than the water pressure in the water supply pipe (2) or is blocked on the water inlet hole (107) when the water pressure in the water supply pipe (2) is larger than the water pressure in the water storage tank (42).

7. The water supply assembly for use in a pet drinking machine of claim 6, wherein: the anchor plug (119) consists of a spherical crown or conical head (120) and a positioning center shaft (122), a sealing gasket (121) is embedded on the outer circumferential wall of the head (120), and when the head (120) is inserted into the water inlet hole (107), the sealing gasket (121) is arranged between the inner wall of the bottom cylinder (118) and the outer wall of the head (120); a positioning shaft sleeve (123) extending towards the axis of the valve upper shell (101) is arranged on the inner wall of the valve upper shell, and the upper end of the positioning center shaft (122) is inserted into the positioning shaft sleeve (123).

8. The water supply assembly for use in a pet drinking machine as claimed in claim 1, wherein: the one-way water valve (100) consists of a valve upper shell (101), a valve bottom shell (103) and a conical rubber valve (124) arranged in the valve upper shell (101), wherein the valve upper shell (101) is in a tubular shape with a hollow inner channel (105), the upper end of the valve upper shell (101) is communicated with the water supply pipe (2), the lower end of the valve upper shell (101) is connected with a plate-shaped valve bottom shell (103), a water inlet hole (107) which can enable water in the water storage tank (42) to enter the hollow inner channel (105) is formed in the valve bottom shell (103), the rubber valve (124) is reversely buckled on the valve bottom shell (103) and covers the water inlet hole (107), a water passing hole (106) is formed in the top end of the rubber valve (124), and the water passing hole (106) is opened when the water pressure in the water storage tank (42) is larger than the water pressure in the water supply pipe (2) or closed when the water pressure in the water supply pipe (2) is larger than the water pressure in the water storage tank (42).

9. The utility model provides a water supply system for on pet water dispenser, including setting up water supply room (35) at this water dispenser machine case (41) top and install impeller (323) formula water pump (32) in water supply room (35), be equipped with respectively on bottom plate and curb plate of water supply room (35) can be with the water inlet (372) in this water supply room (35) of water pump through delivery pipe (2) in storage tank (42) that set up in machine case (41) and can pump the delivery port (375) in pet water drinking tray (43) with water purification (32) in water supply room (35), its characterized in that: a water supply assembly for use in a pet drinking machine according to any one of claims 1 to 8 is provided at the lower end of the water supply pipe (2).

10. The utility model provides a pet water dispenser, includes pet water drinking disc (43) that sets up in this water dispenser top, sets up storage water tank (42) in quick-witted case (41) and can purify and disinfect water in storage water tank (42) back water supply system (3) in pumping pet water drinking disc (43) through water pump (32), its characterized in that: the water supply system (3) is the water supply system used on the pet water fountain according to the claim (9).