CN110145622A - A kind of negative pressure valve and the water system with it - Google Patents
A kind of negative pressure valve and the water system with it Download PDFInfo
- Publication number
- CN110145622A CN110145622A CN201910505350.6A CN201910505350A CN110145622A CN 110145622 A CN110145622 A CN 110145622A CN 201910505350 A CN201910505350 A CN 201910505350A CN 110145622 A CN110145622 A CN 110145622A
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- water
- valve
- negative pressure
- chamber
- valve chamber
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 302
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 6
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4403—Constructional details
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
- A47J31/461—Valves, e.g. drain valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0446—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces
- F16K17/046—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with an obturating member having at least a component of their opening and closing motion not perpendicular to the closing faces the valve being of the gate valve type or the sliding valve type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal pressure
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The present invention relates to a kind of negative pressure valves, and the valve body including being equipped with water inlet, water outlet and valve chamber, the valve chamber is vertically provided in valve body, and the side of valve chamber is equipped with the inlet opening being connected to water inlet, head end is equipped with the apopore being connected to water outlet；Being equipped in the valve chamber can slide up and down to control the valve rod of apopore aperture, elasticity reset device, head end are equipped between the tail end of valve rod and the tail end of valve chamber equipped with flexible balance ring, the medial surface of flexible balance ring is sealingly disposed in the head end of valve chamber, lateral surface is connected to the external world of valve body.The invention further relates to a kind of water systems, including passing through the sequentially connected water pump in water route, calandria and discharge mechanism, it is characterized in that, the water inlet end of the water pump is equipped with negative pressure valve as the aforementioned, the water inlet end of water pump is connected by the water outlet of water route and negative pressure valve, and the water inlet of negative pressure valve is connect by water route with water source.
Description
Technical field
The present invention relates to water system field, specifically a kind of negative pressure valve and the water system with it.
Background technique
The products such as water dispenser, coffee machine all have water system.The water system of the prior art is generally divided into without pressure water source
Class water system (such as cistern water supply) and pressure water source class water system (such as tap water supply).
When using without pressure water source class water system, it will be provided with water pump on the water route of water system, pass through the function to water pump
The control of alterable water supply flow is realized in rate control.
When using pressure water source class water system, as shown in Figure 1, need to be arranged on the water route of water system pressure reducing valve 100,
Solenoid valve 101, flow control valve 102(due to its be instant heating type drinking machine, thus, on water route also have calandria 103, go out
Water dispenser structure 104), water supply process is that water source is after pressure reducing valve depressurizes, into water route, after solenoid valve is opened, through inflow-rate of water turbine tune
The adjusting of valve is saved, realizes the control of alterable water supply flow, components are more, and manufacturing cost is high.
In the prior art, it can not be co-existed in together using without pressure water source class water system and using pressure water source class water system
In one water system, the production cost of poor universality, enterprise is higher.
In addition, in the prior art, when being worked using pressure water source class water system, when source pressure changes, will lead to and subtract
The pressure change for entering water route after pressure valve decompression leads to the control inaccuracy of water supply flow.
Summary of the invention
It is an object of the invention to overcome above-mentioned the shortcomings of the prior art, and a kind of negative pressure valve is provided, can used
In in water system, pressure water source class water system or the use without pressure water source class water system are adapted to.
The object of the present invention is achieved like this:
A kind of negative pressure valve, the valve body including being equipped with water inlet, water outlet and valve chamber, the valve chamber are vertically provided in valve body,
The side of valve chamber is equipped with the inlet opening being connected to water inlet, head end is equipped with the apopore being connected to water outlet；It is set in the valve chamber
Having can slide up and down to control the valve rod of apopore aperture, and elastic reset is equipped between the tail end of valve rod and the tail end of valve chamber and is filled
Set, head end is equipped with flexible balance ring, the medial surface of flexible balance ring is sealingly disposed in the outer of the head end of valve chamber, lateral surface and valve body
Boundary's connection；The water outlet do not intake negative pressure when, elasticity reset device resets valve rod, control water outlet bore closure, water outlet
When having into water negative pressure, identical negative pressure is generated in valve chamber, negative pressure makes valve rod elasticity of compression resetting apparatus, beats to control apopore
It opens.
There is gap between the valve chamber and valve rod, the side of valve chamber is equipped with seal groove, and seal groove is provided with inlet opening respectively
Two sides up and down, sealing ring is equipped in the seal groove, sealing ring and valve rod middle part seal against, and valve chamber is separated into upper, middle and lower
The valve chamber of three parts, top is connected to water outlet, and the valve chamber at middle part is connected to water inlet, and the valve chamber of lower part accommodates elastic reset dress
It sets, the head end of the valve rod is provided along its length the first water flow grooves；The water outlet do not intake negative pressure when, the first water flow
Slot is connected to the valve chamber on top, and when the water outlet has into water negative pressure, the first water flow grooves are connected to the valve chamber of upper and lower part.
The middle part of the valve rod is equipped with second chute in the section for increasing the gap that it is formed with valve chamber.
The opening section size of the seal groove of the two sides up and down of the inlet opening is identical, sealing ring cross-sectional sizes are identical,
Sealing ring is identical as the contact area of valve rod.
The valve chamber both ends penetrate through the both ends of valve body respectively, and the flexibility balance ring is close the head end of valve chamber by gland
Envelope, the tail end of valve body are equipped with bottom cover, tail end sealing of the bottom cover valve chamber, the position of the corresponding seal groove being located on the downside of inlet opening of valve chamber
Middle cover is installed.
The counter balance pocket on the external boundary of communicating valve and flexible balance ring lateral surface is formed in the gland.
The elasticity reset device is the first spring.
It is an object of the invention to overcome above-mentioned the shortcomings of the prior art, and a kind of negative water system is provided, energy
Enough adapt to pressure water source class water system or the use without pressure water source class water system.
A kind of water system, including pass through the sequentially connected water pump in water route, calandria and discharge mechanism, which is characterized in that
The water inlet end of the water pump is equipped with negative pressure valve as the aforementioned, and the water inlet end of water pump is connected by the water outlet of water route and negative pressure valve
It connects, the water inlet of negative pressure valve is connect by water route with water source.
The water inlet of the negative pressure valve is connected with water source switching valve by water route, and the water source switching valve includes in threeway shape
Main body, switching chamber is equipped in main body, the side wall opposite sides for switching chamber is equipped with the first intake tunnel and the second intake tunnel, institute
Three ends for stating main body are respectively equipped with the first water inlet end, the second water inlet end and water outlet, the axial direction of the second water inlet end and water outlet
Direction is identical, and the first water inlet end is vertical with the axial direction of the second water inlet end, water outlet, the first water inlet end and the first intake tunnel
Connection, the second water inlet end are connected to the second intake tunnel, and water outlet is connected to switching chamber, and the switching is intracavitary to be movably equipped with work
Plug, piston both ends are equipped with the sealing ring that seals against of side wall with switching chamber, piston close to the end of water outlet and switching chamber it
Between be equipped with second spring；The piston resets under the elastic reset power effect of second spring, and under the state, piston opens first
Intake tunnel closes the second intake tunnel, and in the second intake tunnel after insertion pipeline, pipeline keeps piston mobile and compresses the second bullet
Spring, under the state, piston closes the first intake tunnel, opens the second intake tunnel.
The fast connection mechanism of pipeline is respectively equipped on first water inlet end, the second water inlet end.
Beneficial effects of the present invention are as follows:
When in use, through components such as water pumps after water outlet generates negative pressure, internal valve rod is in negative pressure pressure for this negative pressure valve
Effect is lower to open apopore, realizes and supplies water, and the aperture that negative pressure valve is opened is controlled by negative pressure pressure, with water source whether have pressure without
It closes, i.e., it can be suitable for pressure water source class water system or without pressure water source class water system, without setting in water system
Decompressor keeps water system simpler, and volume is smaller, versatile, reduces enterprise development, manufacturing cost.
This negative pressure valve is in water system in application, only need to be arranged again on water route a routine can produce negative pressure pressure
Component, such as water pump keeps the structure of water system simpler, can be suitable for various pressure water source class water systems or without pressure
Water source class water system, components are smaller, and volume is smaller.
After using this negative pressure valve due to water system, it can be adapted for pressure water source class water system or supplied without pressure water source class
Water system, therefore, by the way that water source switching valve is arranged again in water source input terminal, it can be achieved that water system becomes while having pressure water
Source and without pressure water source water system, increase the application range of water system.
The present invention is suitable for various water systems, such as water dispenser, coffee machine, is widely used.
Detailed description of the invention
Fig. 1 is the structure principle chart that the prior art uses pressure water source class water system.
Fig. 2 is the structural schematic diagram of one embodiment of the invention negative pressure valve.
Fig. 3 is that one embodiment of the invention negative pressure valve applies the structure principle chart in water system.
Fig. 4 is that one embodiment of the invention negative pressure valve applies the structure principle chart in another water system.
Fig. 5 is structural representation Fig. 1 of one embodiment of the invention water source switching valve.
Fig. 6 is structural representation Fig. 2 of one embodiment of the invention water source switching valve.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments.
First embodiment
Referring to fig. 2, this negative pressure valve, the valve body 1 including being equipped with water inlet 11, water outlet 12 and valve chamber 13, the valve chamber 13 are perpendicular
To being provided in valve body 1, the side of valve chamber 13 be equipped with the head end of the inlet opening 131, valve chamber 13 that be connected tos with water inlet 11 equipped with
The apopore 121 that water outlet 12 is connected to；Being equipped in the valve chamber 13 can slide up and down to control the valve rod of 121 aperture of apopore
15, elasticity reset device is equipped between the tail end of valve rod 15 and the tail end of valve chamber 13, the head end of valve rod 15 is equipped with flexible balance ring
16, the medial surface of flexible balance ring 16 is sealingly disposed in the head end of valve chamber 13, lateral surface is connected to the external world of valve body 1；It is described go out
The mouth of a river 12 do not intake negative pressure when, the pressure needs inside and outside flexible balance ring 16 restore balance, and drive elasticity reset device
Reset valve rod 15 upwards, control apopore 121 is closed, to cut off water route, is stopped water source and is continued to convey；Water outlet 12 have into
When water negative pressure, identical negative pressure is generated in valve chamber 13,15 elasticity of compression of valve rod is made under the collective effect of atmospheric pressure and negative pressure
Resetting apparatus, 14 slide downward of valve rod, to connect water route, make water source continue to convey to control the opening of apopore 121.Water source
Whether can be conveyed on water route, depending on whether having negative pressure at water outlet 12.
When in use, through components such as water pumps after water outlet generates negative pressure, internal valve rod is in negative pressure for this negative pressure valve
Pressure effect is lower to open apopore, realizes and supplies water, the aperture that negative pressure valve is opened is controlled by negative pressure pressure, whether has pressure with water source
Power is unrelated, i.e., it can be suitable for pressure water source class water system or without pressure water source class water system, in water system without
Decompressor is set, keeps water system simpler, volume is smaller, and it is versatile, reduce enterprise development, manufacturing cost.
More specifically, having gap between the valve chamber 13 and valve rod 15, convenient for the assembly of the two and convenient on valve rod 15
The side of lower slider, valve chamber 13 is equipped with seal groove 132, and seal groove 132 is provided with the two sides up and down of inlet opening 131 respectively, described
It is equipped with sealing ring 133 in seal groove 132, is sealed against in the middle part of sealing ring 132 and valve rod 15 and valve chamber 13 is separated into upper, middle and lower
The valve chamber 13 of three parts, top is connected to water outlet 12, and the valve chamber 13 at middle part is connected to water inlet 131, and the valve chamber 13 of lower part holds
Receive elasticity reset device, the head end of the valve rod 15 is provided along its length the first water flow grooves 151；The water outlet 12 does not have
When negative pressure of intaking, the first water flow grooves 151 are connected to the valve chamber 13 on top, to cut off water route, are stopped water source and are continued to convey, described
When water outlet 12 has into water negative pressure, the first water flow grooves 151 are connected to the valve chamber 13 of upper and lower part, to connect water route, make water source after
Continuous conveying.The middle part of the valve rod 15 is equipped with second chute 152 in the section for increasing the gap that it is formed with valve chamber 13, with
Increasing water flow can be in the flow area of the valve chamber 13 at middle part.
Further, the opening section size of the seal groove 132 of the two sides up and down of the inlet opening 131 is identical, sealing ring
133 cross-sectional sizes are identical, sealing ring 133 is identical as the contact area of valve rod 15, at this point, the sealing ring 133 of two sides is right up and down
The sealing force of valve rod 15 is all identical, guarantees valve rod 15 in the reset state, the pressure water source positioned at middle part valve chamber 13 is to valve rod 15
The active force of surrounding is all identical, when avoiding the occurrence of pressure water source to 15 surrounding active force difference of valve rod, understanding extrapolation valve opening bar 15,
The phenomenon that causing negative pressure valve to be opened accidentally.
Further, 13 both ends of valve chamber penetrate through the both ends of valve body 1 respectively, and the flexibility balance ring 16 passes through gland
The head end sealing of 141 valve chambers 13, the tail end of valve body 1 are equipped with bottom cover 17, tail end sealing of the bottom cover 17 valve chamber 13, the technical side
Case convenient for valve body 1, valve rod 15, flexible balance ring 16, lower side seals circle 133 assembly and sealing, valve chamber 13 is corresponding be located at into
The position of the seal groove 133 of 131 downside of water hole is equipped with middle cover 18, convenient for the assembly of upside sealing ring 133.
Further, the counter balance pocket of 1 16 lateral surface of extraneous and flexible balance ring of connection valve body is formed in the gland 141
14, counter balance pocket 14 avoids flexible balance ring 16 directly exposed, avoids being pushed down by other components.
Further, the elasticity reset device is the first spring 19.
Referring to Fig. 3, this water system, including passes through the sequentially connected water pump 2 in water route, calandria 3 and discharge mechanism 4, adds
The water inlet end of thermal and discharge mechanism, the water pump 2 is equipped with negative pressure valve as the aforementioned, and the water inlet end of water pump 2 passes through water
The water inlet 11 of the connection of the water outlet 12 of road and negative pressure valve, negative pressure valve is connect by water route with water source.This negative pressure valve is for water system
In application, only needing to be arranged again on water route the component that can produce negative pressure pressure an of routine, such as above-mentioned water pump 2 is system
Can, keep the structure of water system simpler, various pressure water source class water systems can be suitable for or supplied water without pressure water source class
The components of system, entire water system composition are smaller, and volume is smaller.
Second embodiment
Referring to fig. 4-6, this negative pressure valve is that the water inlet 11 of the negative pressure valve passes through with the main distinction of first embodiment
Water route is connected with water source switching valve, since water system is using after this negative pressure valve, can be adapted for pressure water source class water system
Or without pressure water source class water system, therefore, by the way that water source switching valve is arranged again in water source input terminal, pressure water source is realized or without pressure
The switching at water source, i.e., its can realize water system become and meanwhile have pressure water source and without press water source supply water system,
Increase the application range of water system.
More specifically, the water source switching valve includes the main body 5 in threeway shape, it is equipped with switching chamber 50 in main body 5, switches chamber
50 side wall opposite sides is equipped with the first intake tunnel 56 and the second intake tunnel 57, and three ends of the main body 5 are respectively equipped with the
One water inlet end 51, the second water inlet end 52 and water outlet 53, the second water inlet end 52 is identical as the axial direction of water outlet 53, and first
Water inlet end 51 is vertical with the second water inlet end 52, the axial direction of water outlet 53, and the first water inlet end 51 and the first intake tunnel 56 connect
Logical, the second water inlet end 52 is connected to the second intake tunnel 57, and water outlet 53 is connected to switching chamber 50, movable in the switching chamber 50
Equipped with piston 54,54 both ends of piston are equipped with the sealing ring 58 sealed against with the side wall of switching chamber 50, and piston 54 is close to water outlet
Second spring 55 is equipped between 53 end and switching chamber 50；The piston 54 is under the elastic reset power effect of second spring 55
It resets, under the state, piston 54 opens the first intake tunnel 56, closes the second intake tunnel 57, as shown in figure 5, realizing first
The connection at kind water source, the first water inlet end 51 are suitable for the connection without pressure water source, such as water tank；Insertion tube in second intake tunnel 56
Lu Hou, pipeline keeps piston 54 mobile and compresses second spring 55, and under the state, piston 54 is closed the first intake tunnel 56, opened
Second intake tunnel 57, as shown in fig. 6, the second water inlet end 52 is suitable for the connection without pressure water source or pressure water source, such as water tank
Or tap water；Second water inlet end 52 be inserted into pipeline after, automatically switch another way water source supply, make its can realize water system at
To there is pressure water source simultaneously and the water system without pressure water source supply, increase the application range of water system.
In addition, being respectively equipped with the fast connection mechanism of pipeline on first water inlet end 51, the second water inlet end 52, it is convenient for quick grafting
And sealing pipeline, those skilled in the art are appreciated that.
Other not described parts, same first embodiment are not repeated.
Above-mentioned is preferred embodiment of the invention, and basic principles and main features and the present invention of the invention have been shown and described
The advantages of.Those skilled in the art should be recognized that the present invention is not limited to the above embodiments, above embodiments and description
Described in merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention the present invention also have it is various
Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute
Attached the spirit and scope of the invention define.
Claims (10)
1. a kind of negative pressure valve, the valve body (1) including being equipped with water inlet (11), water outlet (12) and valve chamber (13), feature exists
In the valve chamber (13) is vertically provided in valve body (1), and the side of valve chamber (13) is equipped with the inlet opening being connected to water inlet (11)
(131), head end is equipped with the apopore (121) being connected to water outlet (12)；Being equipped in the valve chamber (13) can slide up and down to control
The valve rod (15) of water hole (121) aperture is produced, elastic reset is equipped between the tail end of valve rod (15) and the tail end of valve chamber (13) and is filled
Set, head end is equipped with flexible balance ring (16), the medial surface of flexible balance ring (16) is sealingly disposed in the head end of valve chamber (13), outside
Face is connected to the external world of valve body (1)；The water outlet (12) do not intake negative pressure when, elasticity reset device keeps valve rod (15) multiple
Position, control apopore (121) are closed, and when water outlet (12) has into water negative pressure, identical negative pressure are generated in valve chamber (13), negative pressure makes
Valve rod (15) elasticity of compression resetting apparatus, to control apopore (121) opening.
2. negative pressure valve according to claim 1, it is characterised in that: have gap, valve between the valve chamber (13) and valve rod (15)
The side of chamber (13) is equipped with seal groove (132), and seal groove (132) is provided with the two sides up and down of inlet opening (131) respectively, described close
Sealing ring (133) are equipped in sealing groove (132), is sealed against in the middle part of sealing ring (132) and valve rod (15), valve chamber (13) is separated into
The valve chamber (13) of upper, middle and lower three parts, top is connected to water outlet (12), and the valve chamber (13) at middle part is connected to water inlet (131),
The valve chamber (13) of lower part accommodates elasticity reset device, and the head end of the valve rod (15) is provided along its length the first water flow grooves
(151)；The water outlet (12) do not intake negative pressure when, the first water flow grooves (151) are connected to the valve chamber (13) on top, it is described go out
When the mouth of a river (12) has into water negative pressure, the first water flow grooves (151) are connected to the valve chamber (13) of upper and lower part.
3. negative pressure valve according to claim 2, it is characterised in that: the middle part of the valve rod (15) is equipped with for increasing itself and valve
Second chute (152) in the section in the gap that chamber (13) is formed.
4. negative pressure valve according to claim 2, it is characterised in that: the seal groove of the two sides up and down of the inlet opening (131)
(132) opening section size is identical, the cross-sectional sizes of sealing ring (133) are identical, the contact of sealing ring (133) and valve rod (15)
Area is identical.
5. negative pressure valve according to claim 2, it is characterised in that: valve chamber (13) both ends penetrate through the two of valve body (1) respectively
End, the flexibility balance ring (16) seal the head end of valve chamber (13) by gland (141), and the tail end of valve body (1) is equipped with bottom cover
(17), tail end sealing of the bottom cover (17) valve chamber (13), the corresponding seal groove being located on the downside of inlet opening (131) of valve chamber (13)
(132) position is equipped with middle cover (18).
6. negative pressure valve according to claim 5, it is characterised in that: formed in the gland (141) connection valve body (1) it is extraneous with
And the counter balance pocket (14) of flexible balance ring (16) lateral surface.
7. negative pressure valve according to claim 1, it is characterised in that: the elasticity reset device is the first spring (19).
8. a kind of water system, including by the sequentially connected water pump in water route (2), calandria (3) and discharge mechanism (4), it is special
Sign is that the water inlet end of the water pump (2) is equipped with such as the described in any item negative pressure valves of claim 1-7, the water inlet of water pump (2)
End is connected by the water outlet (12) of water route and negative pressure valve, and the water inlet (11) of negative pressure valve is connect by water route with water source.
9. water system according to claim 8, it is characterised in that: the water inlet (11) of the negative pressure valve is connected by water route
There is water source switching valve, the water source switching valve includes the main body (5) in threeway shape, and switching chamber (50), switching are equipped in main body (5)
The side wall opposite sides of chamber (50) is equipped with the first intake tunnel (56) and the second intake tunnel (57), three ends of the main body (5)
It is respectively equipped with the first water inlet end (51), the second water inlet end (52) and water outlet (53), the second water inlet end (52) and water outlet
(53) axial direction is identical, and the first water inlet end (51) is vertical with the axial direction of the second water inlet end (52), water outlet (53), the
One water inlet end (51) is connected to the first intake tunnel (56), and the second water inlet end (52) is connected to the second intake tunnel (57), water outlet
End (53) is connected to switching chamber (50), is movably equipped with piston (54) in the switching chamber (50), and piston (54) both ends are equipped with and cut
Change the sealing ring (58) that the side wall of chamber (50) seals against, piston (54) close to the end of water outlet (53) and switching chamber (50) it
Between be equipped with second spring (55)；The piston (54) resets under the elastic reset power effect of second spring (55), under the state,
Piston (54) opens the first intake tunnel (56), closes the second intake tunnel (57), and pipeline is inserted into the second intake tunnel (56)
Afterwards, pipeline keeps piston (54) mobile and compresses second spring (55), and under the state, piston (54) closes the first intake tunnel
(56), the second intake tunnel (57) are opened.
10. water system according to claim 9, it is characterised in that: first water inlet end (51), the second water inlet end (52)
On be respectively equipped with the fast connection mechanism of pipeline.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910505350.6A CN110145622A (en) | 2019-06-12 | 2019-06-12 | A kind of negative pressure valve and the water system with it |
| PCT/CN2019/091782 WO2020248292A1 (en) | 2019-06-12 | 2019-06-18 | Negative pressure valve and water supply system comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910505350.6A CN110145622A (en) | 2019-06-12 | 2019-06-12 | A kind of negative pressure valve and the water system with it |
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| Publication Number | Publication Date |
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| CN110145622A true CN110145622A (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910505350.6A Pending CN110145622A (en) | 2019-06-12 | 2019-06-12 | A kind of negative pressure valve and the water system with it |
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| Country | Link |
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| CN (1) | CN110145622A (en) |
| WO (1) | WO2020248292A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384401A (en) * | 2019-08-22 | 2019-10-29 | 杨崇坝 | It is a kind of to utilize the drip-proof office space water dispenser of principle of negative pressure |
| CN111457253A (en) * | 2020-05-14 | 2020-07-28 | 王彦 | Gas supply system and gas supply method |
| CN111946866A (en) * | 2020-07-31 | 2020-11-17 | 宁波川渡流体科技有限公司 | Water-gas mixing balance valve and micro-bubble water system formed by same |
| CN113951726A (en) * | 2020-07-21 | 2022-01-21 | 莱克电气绿能科技(苏州)有限公司 | Beverage brewing device |
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| CN102135193A (en) * | 2011-03-29 | 2011-07-27 | 吴瑞昌 | Three-way valve |
| CN205013759U (en) * | 2015-09-15 | 2016-02-03 | 山东龙普太阳能有限公司 | Liquid valve is annotated in tee bend |
| CN107990023A (en) * | 2016-10-26 | 2018-05-04 | 3M创新有限公司 | Reversal valve and the household water filter including the reversal valve |
| CN208311602U (en) * | 2018-05-18 | 2019-01-01 | 浙江春晖智能控制股份有限公司 | The triple valve of three-way valve body and the application three-way valve body |
| CN210266048U (en) * | 2019-06-12 | 2020-04-07 | 广东吉宝电器科技有限公司 | Negative pressure valve and water supply system with same |
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| US4190537A (en) * | 1977-12-21 | 1980-02-26 | Desalination Systems, Inc. | Water storage control for reverse osmosis system |
| CN101881343A (en) * | 2010-05-12 | 2010-11-10 | 高新区益腾净水设备研发中心 | Negative-pressure stop valve |
| CN101832416A (en) * | 2010-05-12 | 2010-09-15 | 高新区益腾净水设备研发中心 | Pressure-limiting stop valve |
| WO2014058724A1 (en) * | 2012-10-11 | 2014-04-17 | 3M Innovative Properties Company | Reverse osmosis water-on-water control valve |
| CN107940077B (en) * | 2017-12-12 | 2024-04-12 | 广东吉宝电器科技有限公司 | Negative pressure valve and water dispenser with same |
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2019
- 2019-06-12 CN CN201910505350.6A patent/CN110145622A/en active Pending
- 2019-06-18 WO PCT/CN2019/091782 patent/WO2020248292A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102135193A (en) * | 2011-03-29 | 2011-07-27 | 吴瑞昌 | Three-way valve |
| CN205013759U (en) * | 2015-09-15 | 2016-02-03 | 山东龙普太阳能有限公司 | Liquid valve is annotated in tee bend |
| CN107990023A (en) * | 2016-10-26 | 2018-05-04 | 3M创新有限公司 | Reversal valve and the household water filter including the reversal valve |
| CN208311602U (en) * | 2018-05-18 | 2019-01-01 | 浙江春晖智能控制股份有限公司 | The triple valve of three-way valve body and the application three-way valve body |
| CN210266048U (en) * | 2019-06-12 | 2020-04-07 | 广东吉宝电器科技有限公司 | Negative pressure valve and water supply system with same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384401A (en) * | 2019-08-22 | 2019-10-29 | 杨崇坝 | It is a kind of to utilize the drip-proof office space water dispenser of principle of negative pressure |
| CN111457253A (en) * | 2020-05-14 | 2020-07-28 | 王彦 | Gas supply system and gas supply method |
| CN111457253B (en) * | 2020-05-14 | 2024-08-20 | 王彦 | Air supply system and air supply method |
| CN113951726A (en) * | 2020-07-21 | 2022-01-21 | 莱克电气绿能科技(苏州)有限公司 | Beverage brewing device |
| CN113951726B (en) * | 2020-07-21 | 2023-11-17 | 莱克电气绿能科技(苏州)有限公司 | Beverage brewing device |
| CN111946866A (en) * | 2020-07-31 | 2020-11-17 | 宁波川渡流体科技有限公司 | Water-gas mixing balance valve and micro-bubble water system formed by same |
| CN111946866B (en) * | 2020-07-31 | 2022-03-11 | 宁波川渡流体科技有限公司 | Water-gas mixing balance valve and micro-bubble water system formed by same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020248292A1 (en) | 2020-12-17 |
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