CN106499832B - A kind of water valve and the washing machine for being equipped with this water valve - Google Patents

A kind of water valve and the washing machine for being equipped with this water valve Download PDF

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Publication number
CN106499832B
CN106499832B CN201510567657.0A CN201510567657A CN106499832B CN 106499832 B CN106499832 B CN 106499832B CN 201510567657 A CN201510567657 A CN 201510567657A CN 106499832 B CN106499832 B CN 106499832B
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Prior art keywords
chamber
spool
water
revolving part
valve
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CN106499832A (en
Inventor
许升
赵志强
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Qingdao Haier Washing Machine Co Ltd
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Qingdao Haier Washing Machine Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0675Electromagnet aspects, e.g. electric supply therefor

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetically Actuated Valves (AREA)
  • Multiple-Way Valves (AREA)

Abstract

The present invention provides a kind of water valve and the washing machine for being equipped with this water valve, including valve seat, valve core case, spool, revolving part, spring, electromagnetic coil, water inlet, water outlet, valve seat is equipped with inlet and outlet, inlet and outlet are connected to by channel, valve seat and valve core case are fixedly installed, there is non-return device in water outlet, there is chamber in valve core case, there is spool in chamber, revolving part and spring, multiple chamber guiding ribs are set on chamber wall, there is helical teeth in chamber guiding rib end, multiple chamber guide grooves are formed between multiple chamber guiding ribs, there are multiple spool guiding ribs in spool periphery, there is helical teeth in spool end, spool guiding rib end is equipped with helical teeth, revolving part periphery is equipped with multiple revolving part guiding ribs, helical teeth is equipped at the top of revolving part and at the top of revolving part guiding rib.Water valve is installed on intake pipe of washing machine, make spool along chamber movement using pulse electrifying and then water inlet is controlled by spool and is cut off the water supply, reduces fever duration, noise, and can prevent from flowing backwards and reducing cutting off the water supply the reaction time.

Description

A kind of water valve and the washing machine for being equipped with this water valve
Technical field
The present invention relates to a kind of water valve and the washing machine of this water valve is installed, belongs to valve and device for washing machine field.
Background technique
In washing machine, electromagnetic water inlet valve is the component for the flow direction and flow that control water.It is usually in the prior art Electromagnetic force is generated using by electromagnetic coil, pulls spool bonnet off center hole, realizes water inlet, but there are many problems. The washing machine inflow time is long in general, and during water inlet, solenoid valve will continue to be powered, and power consumption is big;Hydraulic pressure is low, and flooding time is more Long, the solenoid valves time is longer, the coil heating of solenoid valve, or even generates security risk;Solenoid valve is asked there are noise is big Topic, during water inlet, lasting solenoid valve noise has seriously affected the usage experience of consumer.And it can not be prevented in same type valve The refluence of water so that aqueous reflux enters valve and causes pollution of waterhead in washing machine, meanwhile, same type valve cut off the water supply the reaction time compared with It is long.
In view of this present invention is specifically proposed.
Summary of the invention
The technical problem to be solved in the present invention is that overcoming the deficiencies of the prior art and provide a kind of water valve and being equipped with this water The washing machine of valve can be avoided the problem that valve caused by being powered for a long time generates heat, noise is big, and can prevent aqueous reflux and reduce disconnected The water reaction time.
In order to solve the above technical problems, the present invention is using the basic conception of technical solution:
A kind of water valve, including valve seat, valve core case, spool, revolving part, spring, electromagnetic coil, water inlet, water outlet, valve seat On be provided with inlet and outlet, be connected between inlet and outlet by channel, valve seat and valve core case are fixedly installed, Water outlet is internally provided with the aqueous reflux outside the anti-water check valve of non-return device, and chamber is equipped in valve core case, is provided with valve in chamber Core, revolving part and spring, chamber wall are equipped with multiple chamber guiding ribs, and chamber guiding rib end is equipped with helical teeth, and multiple chambers are led To multiple chamber guide grooves are formed between muscle, spool periphery is equipped with multiple spool guiding ribs, and spool end is equipped with helical teeth, and spool is led Muscle end is provided with helical teeth, revolving part periphery is equipped with multiple revolving part guiding ribs, and revolving part top and revolving part are oriented to top rib Portion is equipped with helical teeth, and the spool guiding rib of chamber guide groove and spool on chamber wall, the revolving part guiding rib of revolving part cooperate, valve Core slides in chamber along chamber guide groove, and the channel between spool top and inlet and outlet is matched with logical or stifled logical Road, tooth engagement between spool end and revolving part top are equipped with spring between revolving part end and valve core case, revolving part can be in valve It rotates in the chamber of core print seat and is slided along chamber guide groove, the chamber on the revolving part guiding rib abjection chamber wall of revolving part is led In the case where slot, the tooth engagement of tooth and chamber guiding rib end at the top of the revolving part guiding rib of revolving part, outside valve core case The position of corresponding spool is equipped with electromagnetic coil.
Further, it is tightly connected between valve seat and valve core case, sealing partition is provided between valve seat and valve core case, The channel of connection inlet and outlet is provided on sealing partition, sealing partition and valve core case are enclosed second chamber The chamber in valve core case where room, this second chamber and the spool.
Further, sealing partition is that activity is placed.
Further, the channel being arranged on sealing partition is two channels, and one is intake tunnel, and one logical for water outlet Road, intake tunnel are connected to water inlet and second chamber, and exhalant canal is connected to second chamber and water outlet, and intake tunnel includes a text The main channel of venturi structure and the by-pass for being connected to water inlet and Venturi tube main channel narrow part.
Further, the opening that the opening diameter that the main channel of intake tunnel is located at second chamber side is greater than the other side is straight The diameter of diameter, intake tunnel is less than exhalant canal diameter.
Further, water outlet chamber, water inlet chamber are equipped in valve seat, water outlet chamber is located at middle part, and water inlet chamber is annular Around water outlet chamber, water inlet chamber is connected to water inlet, and water outlet chamber is connected to water outlet.
Further, intake tunnel connection water inlet chamber and second chamber, exhalant canal are connected to second chamber and water chamber Room;The one end for being located at second chamber with exhalant canal at the top of spool matches.
Further, water inlet chamber and water outlet cavity bottom are open, and open bottom is made by sealing partition closing into water Chamber and water outlet chamber isolation.
Further, the water outlet chamber interior where water outlet is provided with elastic component and ball sealer, and water outlet fixation is set It is equipped with cover board, is provided with apopore on cover board, being discharged one section far from water outlet of chamber interior is necking down structure, this necking down structure Diameter and ball sealer diametric fit, between necking down structural sections and water outlet water outlet chamber portion diameter be greater than ball sealer Diameter, for elastic component between cover board and ball sealer, cover board and ball sealer are supported in elastic component both ends respectively.
A kind of washing machine being equipped with water valve, is equipped with water valve described in any of the above embodiments on the water inlet pipe of washing machine.
After adopting the above technical scheme, the present invention has the advantages that compared with prior art.
A kind of water valve of the present invention is equipped with the washing machine of this water valve, and when needing to intake, electromagnetic coil pulsatile once is powered, Spool is moved along chamber guide groove, compressed spring, at this time the chamber guiding on the revolving part guiding rib abjection chamber wall of revolving part Slot, revolving part guiding rib and chamber guiding rib tooth engagement dredge channel, to make water so that can be detached from channel at the top of spool It can flow to water outlet through channel from water inlet and then pass through water inlet pipe and enter washing machine.When needing to cut off the water supply, electromagnetic coil is again Pulse electrifying, spool are moved along chamber guide groove, compressed spring, at this time under the action of the spring and under helical teeth mating reaction, rotation Part rotation, revolving part guiding rib enter the chamber guide groove on chamber wall, and spring extension moves spool along chamber guide groove, into And spool top is made to support channel, by channel blockage.It can make spool in the way of pulse electrifying along chamber movement and then lead to The logical or obstructed of spool control channel is crossed, control intakes and cuts off the water supply, and it is big to avoid water valve fever, noise caused by energization for a long time The problem of.Be internally provided with the aqueous reflux outside the anti-water check valve of non-return device in water outlet, and sealing partition setting into Aquaporin include a venturi tube structure main channel and be connected to water inlet and Venturi tube main channel narrow part by-pass, this Structure can be such that sealing partition draws close to water inlet chamber rapidly when needing to cut off the water supply, and then water is blocked to flow to water chamber from water inlet chamber Room, so that cutting off the water supply rapidly.
A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the schematic diagram of water valve in the embodiment of the present invention.
Fig. 2 is the half section structure diagram of water valve in the embodiment of the present invention.
Fig. 3 is that the revolving part guiding rib of water valve in the embodiment of the present invention is located under the critical state of abjection chamber guide groove Structural schematic diagram.
Fig. 4 is that the revolving part guiding rib of water valve in the embodiment of the present invention is located at the structural representation in chamber guide groove under state Figure.
Fig. 5 is the A enlarged drawing of Fig. 2.
Fig. 6 is the B enlarged drawing of Fig. 2.
1, water inlet 2, water outlet 3, valve seat 4, valve core case 5, electromagnetic coil 6, spool 7, chamber guiding rib 8, valve It is core guiding rib 9, revolving part 10, spring 11, second chamber 12, exhalant canal 13, intake tunnel 14, filter screen 15, close Insulate plate 16, water inlet chamber 17, chamber guide groove 18, revolving part guiding rib 19, chamber guiding rib helical teeth 20, revolving part Helical teeth 21, spool guiding rib helical teeth 22, bonnet 23, cover board 24, apopore 25, elastic component 26, ball sealer.
Specific embodiment
Embodiment one
In conjunction with shown in Fig. 1,2, a kind of water valve of the present invention, including valve seat 3, valve core case 4, spool 6, revolving part 9, spring 10, Electromagnetic coil 5, water inlet 1, water outlet 2.
It is provided with inlet and outlet on valve seat, is connected between inlet and outlet by channel, valve seat and spool Seat fixed setting.Filter screen 14 is arranged in water inlet.
As shown in Fig. 2, being equipped with chamber in valve core case, spool, revolving part and spring are provided in chamber.
Chamber wall is equipped with multiple chamber guiding ribs 7, and chamber guiding rib end is equipped with helical teeth, that is, chamber guiding rib helical teeth 19, Multiple chamber guide grooves 17 are formed between multiple chamber guiding ribs.
Spool periphery is equipped with multiple spool guiding ribs, and spool end is equipped with helical teeth, and spool guiding rib end is provided with helical teeth That is spool guiding rib helical teeth 21.
Revolving part periphery is equipped with multiple revolving part guiding ribs 18, and helical teeth, that is, revolving part helical teeth 20, rotation are equipped at the top of revolving part Turn to be equipped with helical teeth at the top of part guiding rib.
The revolving part guiding rib cooperation of the spool guiding rib, revolving part of chamber guide groove and spool on chamber wall.
Spool slides in chamber along chamber guide groove, and the channel between spool top and inlet and outlet matches With logical or stifled channel, tooth engagement between spool end and revolving part top.
Spring is equipped between revolving part end and valve core case, revolving part can be rotated in the chamber of valve core case and be led along chamber It is slided to slot, in the case where the chamber guide groove on the revolving part guiding rib of revolving part abjection chamber wall, the rotation of revolving part Helical teeth at the top of part guiding rib is engaged with the helical teeth of chamber guiding rib end, and the position that spool is corresponded to outside valve core case is equipped with electromagnetism Coil.Electromagnetic coil can be such that spool moves downward after being powered.
Be tightly connected between valve seat and valve core case, be provided between valve seat and valve core case sealing partition 15, sealing every The channel of connection inlet and outlet is provided on plate, sealing partition and valve core case are enclosed a second chamber, this The chamber in valve core case where two chambers and the spool.
Setting is there are two channel on sealing partition, and one is intake tunnel 13, and one is exhalant canal 12, intake tunnel It is connected to water inlet and second chamber, exhalant canal is connected to second chamber and water outlet.The diameter of intake tunnel is less than exhalant canal Diameter.
In the present embodiment, water outlet chamber, water inlet chamber are equipped in valve seat, water outlet chamber is located at middle part, and water inlet chamber is Annular is connected to around water outlet chamber, water inlet chamber with water inlet, and water outlet chamber is connected to water outlet.Intake tunnel is connected to intake antrum Room and second chamber, exhalant canal are connected to second chamber and water outlet chamber.It is located at second chamber with exhalant canal at the top of spool One end matches.
Water inlet chamber and water outlet cavity bottom are open, and open bottom is by sealing partition closing, making into water chamber and going out Water chamber's isolation.As shown in Fig. 2, sealing partition is that activity is placed, it is inconsistent and spool is not supported in sealing two side hydraulic pressure of partition When sealing partition, sealing partition can be movable to the small side of hydraulic pressure.
In the case where being not powered on, spool is located on the exhalant canal mouth at sealing partition center, the bonnet of spool top setting Play the role of sealing exhalant canal, thus tap water enters to water inlet chamber 16 by the intake tunnel 13 on sealing partition Second chamber 11, due to the sealing function of bonnet, water can not flow into water outlet chamber, thus cannot be discharged.
The aqueous reflux outside the anti-water check valve of non-return device is internally provided in water outlet.In conjunction with shown in Fig. 2,6, water outlet institute Water outlet chamber interior be provided with elastic component and ball sealer, water outlet is fixedly installed cover board, water outlet is provided on cover board Hole is supplied water outflow, and being discharged chamber interior one section far from water outlet is necking down structure, the diameter of this necking down structure and ball sealer The diameter of diametric fit, the water outlet chamber portion between necking down structural sections and water outlet is greater than sealing bulb diameter, and elastic component is located at Between cover board and ball sealer, cover board and ball sealer are supported in elastic component both ends respectively.So that the water outside valve enters water valve from water outlet When, the necking down structure cooperation of ball sealer and water outlet chamber seals water chamber, and the water outside blocked valve flows into, and prevents from flowing backwards contaminant water Source.After placing ball sealer and elastic component, the cover board is connected as one with water outlet buckle structure, and prepressing elastic. In other embodiments, the cover board can also be fixed on water outlet with the molten connection Huo Zhe of reusable heat and ultrasonic bonding.
In conjunction with shown in Fig. 2,3,4, when needing to intake, electromagnetic coil pulsatile once be powered, spool along chamber guide groove to Lower movement, compressed spring.The revolving part guiding rib of revolving part emerges in the chamber guide groove on chamber wall at this time, is made based on spring With and helical teeth cooperation, revolving part rotation, revolving part guiding rib and chamber guiding rib tooth engagement, so that water outlet can be detached from the top of spool Channel dredges exhalant canal, thus allow the water to from water inlet through water inlet chamber, intake tunnel, second chamber, exhalant canal, Water outlet chamber flows to water outlet and then enters washing machine.
Spool end helical teeth and spool guiding rib helical teeth are engaged with helical teeth at the top of revolving part, and applied force is in revolving part helical teeth 20, when the revolving part guiding rib helical teeth of coil instant cut-off, non-electromagnetic-force, revolving part guiding rib 18 is transported along chamber guiding rib helical teeth It moves and engages.Spool cannot be rotated by the restriction of chamber guiding rib always, and revolving part is then due to the system of disengaging chamber guiding rib It has occurred about and under the collective effect of chamber guiding rib helical teeth and spring and rotates for the first time.Due to the rotation of revolving part guiding rib 18 Turn part guiding rib helical teeth to engage with chamber guiding rib helical teeth, have compressed spring, spool loses the elastic pressure of spring, thus makes Bonnet is obtained to be detached from from the exhalant canal for being located at sealing partition center.
The water of tap enters water inlet chamber by water inlet, and the intake tunnel by sealing partition enters second chamber, Water in second chamber flows to water outlet chamber by exhalant canal and flows into washing machine from water outlet.It is straight due to exhalant canal Diameter is greater than the diameter of intake tunnel, and the water intake velocity in second chamber will be made to be less than water speed, caused in second chamber Pressure drop.Sealing partition pressure suffered by water inlet chamber is greater than the pressure born in one end of second chamber, Sealing partition is moved far from water inlet chamber to second chamber, so that water flow is directly from water inlet chamber flow direction water outlet chamber.
As shown in Figure 2, Figure 4 shows.When needing to cut off the water supply, the electromagnetic force that the energization of electromagnetic coil moment generates, so that spool again It moves down, spool and revolving part tooth engagement applied force move downward on the tooth of revolving part both along chamber guide groove.When When coil instant cut-off non-electromagnetic-force, spool is no longer downwardly applied to power, and spool is detached from revolving part.In the big resilient force of spring Under, revolving part moves upwards, and the helical teeth of revolving part guiding rib is moved along chamber guiding rib helical teeth 19, and second of rotation has occurred Turn, following revolving part guiding rib enters in chamber guide groove, and then spring force is transferred to revolving part, spool, thus makes Bonnet is obtained to be tightly pressed on the exhalant canal of sealing partition.
At this moment, water can only enter second chamber by intake tunnel, and the water in second chamber can not be flowed out from exhalant canal, So that the hydraulic pressure in second chamber rises rapidly.It is intaking when sealing partition is greater than in the pressure that one end of second chamber is born When the pressure that chamber is born, sealing partition is pressed into water chamber, and valve seat is pushed down, and prevents water direct from water inlet chamber Flow direction water outlet chamber.
In conjunction with shown in Fig. 2,5, seal partition on intake tunnel include the main channel of a venturi tube structure and be connected into The by-pass at the mouth of a river and Venturi tube main channel narrow part.The main channel of intake tunnel is located at the opening diameter of second chamber side Greater than the opening diameter of the other side.Principle based on Venturi tube is flowed into from water inlet chamber through the main channel of intake tunnel in water When second chamber, can be generated in the by-pass of intake tunnel suction make the indoor water of intake antrum accelerate sucking intake tunnel into And enter second chamber, and then increase rapidly the pressure in second chamber, so that sealing partition presses to rapidly into water chamber, it will Valve seat is pushed down, so that the time for preventing water from flowing directly into water outlet chamber from water inlet chamber shortens.
Pulse electrifying, spool move electromagnetic coil along chamber guide groove again, compressed spring, at this time under the action of the spring and Under helical teeth mating reaction, revolving part rotation, revolving part guiding rib enters the chamber guide groove on chamber wall, and spring extension makes spool It is moved along chamber guide groove, and then spool top is made to support channel, by channel blockage.It can be made in the way of pulse electrifying Spool is along chamber movement and then passes through the logical or obstructed of spool control channel, and control intakes and cuts off the water supply, and avoids and is powered for a long time The big problem of caused water valve fever, noise.It is internally provided with the aqueous reflux outside the anti-water check valve of non-return device in water outlet, and And sealing the main channel and connection water inlet and Venturi tube master that the intake tunnel that partition is arranged includes a venturi tube structure The by-pass of channel narrow part, this structure can be such that sealing partition draws close to water inlet chamber rapidly when needing to cut off the water supply, and then block Water is from water inlet chamber flow direction water outlet chamber, so that cutting off the water supply rapidly.
Embodiment two
A kind of washing machine being equipped with water valve is equipped with water valve described in embodiment one kind on the water inlet pipe of washing machine. Water is set to enter water valve through the water inlet of water valve, the water outlet through water valve flows out water valve and the water inlet pipe through washing machine enters washing machine It is interior.
Embodiment in above-described embodiment can be further combined or replace, and embodiment is only to of the invention Preferred embodiment is described, and it is not intended to limit the concept and scope of the present invention, is not departing from design philosophy of the present invention Under the premise of, the various changes and modifications that professional and technical personnel in the art make technical solution of the present invention belong to this hair Bright protection scope.

Claims (10)

1. a kind of water valve, it is characterised in that: including valve seat, valve core case, spool, revolving part, spring, electromagnetic coil, water inlet, go out The mouth of a river,
It is provided with inlet and outlet on valve seat, is connected between inlet and outlet by channel, valve seat and valve core case are solid Fixed setting, is internally provided with the aqueous reflux outside the anti-water check valve of non-return device in water outlet,
It is equipped with chamber in valve core case, is provided with spool, revolving part and spring in chamber,
Chamber wall is equipped with multiple chamber guiding ribs, and chamber guiding rib end is equipped with helical teeth, is formed between multiple chamber guiding ribs Multiple chamber guide grooves,
Spool periphery is equipped with multiple spool guiding ribs, and spool end is equipped with helical teeth, and spool guiding rib end is provided with helical teeth,
Revolving part periphery is equipped with multiple revolving part guiding ribs, is equipped with helical teeth at the top of revolving part top and revolving part guiding rib,
The revolving part guiding rib cooperation of the spool guiding rib, revolving part of chamber guide groove and spool on chamber wall,
Spool slides in chamber along chamber guide groove, and the channel between spool top and inlet and outlet is matched with logical Or stifled channel, tooth engagement between spool end and revolving part top,
Spring is equipped between revolving part end and valve core case, revolving part can rotate and along chamber guide groove in the chamber of valve core case Sliding, in the case where the chamber guide groove on the revolving part guiding rib of revolving part abjection chamber wall, the revolving part of revolving part is led To top rib portion tooth and chamber guiding rib end tooth engagement,
The position that spool is corresponded to outside valve core case is equipped with electromagnetic coil;
When coil instant cut-off, non-electromagnetic-force, revolving part guiding rib helical teeth is moved and is engaged along chamber guiding rib helical teeth, and spool begins It cannot be rotated by the restriction of chamber guiding rib eventually, revolving part has occurred under the collective effect of chamber guiding rib helical teeth and spring It rotates for the first time;
It being powered when electromagnetic coil moment, the electromagnetic force of generation moves down spool again, spool and revolving part tooth engagement, and two Person moves downward along chamber guide groove, and when coil instant cut-off non-electromagnetic-force, spool is no longer downwardly applied to power, and spool is detached from Revolving part, under the big resilient force of spring, revolving part is moved upwards, and the helical teeth of revolving part guiding rib is along chamber guiding rib Helical teeth movement, second of rotation has occurred, revolving part guiding rib enters in chamber guide groove, spring force be transferred to revolving part, Spool;
Pulse electrifying, spool move electromagnetic coil along chamber guide groove again, compressed spring, at this time under the action of the spring and helical teeth Under mating reaction, revolving part rotation, revolving part guiding rib enters the chamber guide groove on chamber wall, and spring extension makes spool along chamber The movement of room guide groove, and then spool top is made to support channel, by channel blockage.
2. a kind of water valve according to claim 1, it is characterised in that: be tightly connected between valve seat and valve core case, in valve seat Sealing partition is provided between valve core case, sealing partition on be provided with connection inlet and outlet channel, sealing every Plate and valve core case are enclosed a second chamber, the chamber in valve core case where this second chamber and the spool.
3. a kind of water valve according to claim 2, it is characterised in that: sealing partition is that activity is placed.
4. a kind of water valve according to claim 3, it is characterised in that: the channel being arranged on sealing partition is two logical Road, one is intake tunnel, and one is exhalant canal, and intake tunnel is connected to water inlet and second chamber, exhalant canal connection the Two chambers and water outlet, intake tunnel include main channel and the connection water inlet and Venturi tube main channel of a venturi tube structure The by-pass of narrow part.
5. a kind of water valve according to claim 4, it is characterised in that: the main channel of intake tunnel is located at second chamber side Opening diameter be greater than the opening diameter of the other side, the diameter of intake tunnel is less than exhalant canal diameter.
6. a kind of water valve according to claim 1-5, it is characterised in that: be equipped with water outlet chamber, water inlet in valve seat Chamber, water outlet chamber are located at middle part, and water inlet chamber is annular around water outlet chamber, and water inlet chamber is connected to water inlet, water chamber Room is connected to water outlet.
7. a kind of water valve according to claim 6, it is characterised in that: intake tunnel connection water inlet chamber and second chamber, Exhalant canal is connected to second chamber and water outlet chamber;The one end for being located at second chamber with exhalant canal at the top of spool matches.
8. a kind of water valve according to claim 6, it is characterised in that: water inlet chamber and water outlet cavity bottom are open, open Bottom by sealing partition closing, make into water chamber and water outlet chamber isolation.
9. a kind of water valve according to claim 7, it is characterised in that: the water outlet chamber interior where water outlet is provided with bullet Property part and ball sealer, water outlet be fixedly installed cover board, be provided with apopore on cover board, be discharged chamber interior far from water outlet One section be necking down structure, the diameter of this necking down structure and the diametric fit of ball sealer, between necking down structural sections and water outlet The diameter for being discharged chamber portion is greater than sealing bulb diameter, and elastic component between cover board and ball sealer, support respectively by elastic component both ends Lamina tecti and ball sealer.
10. a kind of washing machine for being equipped with water valve, it is characterised in that: be equipped with claim 1-9 on the water inlet pipe of washing machine Described in any item water valves.
CN201510567657.0A 2015-09-08 2015-09-08 A kind of water valve and the washing machine for being equipped with this water valve Active CN106499832B (en)

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* Cited by examiner, † Cited by third party
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CN109208271B (en) * 2017-07-07 2023-12-12 天津海尔洗涤电器有限公司 Draining pump and washing machine using same
CN114411886B (en) * 2022-01-25 2023-04-14 重庆昕晟环保科技有限公司 Secondary water supply anti-backflow device

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CN2058443U (en) * 1989-09-29 1990-06-20 叶玄敏 Self-keeping electromagnetic valve
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