CN109578640A - It is a kind of can the valve and application of the anti-siphon valve sanitary ware - Google Patents
It is a kind of can the valve and application of the anti-siphon valve sanitary ware Download PDFInfo
- Publication number
- CN109578640A CN109578640A CN201811374944.XA CN201811374944A CN109578640A CN 109578640 A CN109578640 A CN 109578640A CN 201811374944 A CN201811374944 A CN 201811374944A CN 109578640 A CN109578640 A CN 109578640A
- Authority
- CN
- China
- Prior art keywords
- valve
- variant part
- casing
- siphon
- slit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F16K15/00—Check valves
- F16K15/14—Check valves with flexible valve members
- F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
- F16K15/147—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery the closure elements having specially formed slits or being of an elongated easily collapsible form
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/18—Siphons
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
- Sanitary Device For Flush Toilet (AREA)
Abstract
The invention discloses the sanitary wares of the valve and application of a kind of anti-siphon of the energy valve, the valve includes valve casing, spool, valve casing both ends are respectively equipped with fluid inlet and fluid outlet, spool is arranged in the valve chamber of valve casing, the spool has the chock shape variant part towards the fluid outlet, and the tail end of the variant part is equipped with slit able to turn on or off；It is equipped with two precompressed locking structures in the valve chamber of the valve casing, two precompressed locking structure lateral surface of the pre-pressing in two skew walls of the variant part one by one.The precompressed locking structure can be squeezed and deformed portion, be easier to be reset to the state for closing slit after making variant part open slit by deformation, to make variant part less fatiguability, aging, the service life is longer, and valve non-return better effect.
Description
Technical field
The present invention relates to a kind of valves, more particularly to the sanitary ware of the valve and application of a kind of anti-siphon of the energy valve.
Background technique
A kind of valve with chock shape variant part of the prior art is due to it has anti-siphon by favor, application
It is very universal.This valve is in internal no pressure, the elasticity of the slit of chock shape variant part tail end in variant part itself
The lower closure of effect, as internal pressure gradually increases, which is opened, and fluid is discharged；Where the fluid inlet of this valve
When there is negative pressure in side, variant part by fluid outlet side atmospheric pressure effect deformation occurs make its slit be closed, from
And realize the function of anti-siphon.Since the variant part of this valve is soft materials, aging is easy after long-time use leads to elasticity
Deficiency works as Guan Shuishi so that the slit of variant part tail end will form a normally open, and buffer brake can not directly make slit
Closing, in some instances it may even be possible to cause the intermediate position of variant part inwardly to roll up, so that the effect of non-return be not achieved.
Summary of the invention
The present invention provides the sanitary wares of the valve and application of a kind of anti-siphon of the energy valve, and which overcome described in background technique
Valve present in shortcoming.
The technical solution adopted by the present invention to solve the technical problems is: a kind of valve of the anti-siphon of energy, including valve casing, valve
Core, valve casing both ends are respectively equipped with fluid inlet and fluid outlet, and spool is arranged in the valve chamber of valve casing, which has towards institute
The chock shape variant part of fluid outlet is stated, the tail end of the variant part is equipped with slit able to turn on or off；It is equipped in the valve chamber of the valve casing
Two precompressed locking structures, two precompressed locking structure lateral surface of the pre-pressing in two skew walls of the variant part one by one.
Further, the precompressed locking structure is briquetting, which has skew wall corresponding to the variant part adaptation
Inclined-plane, the inclined-plane are resisted against the lateral surface of the corresponding skew wall of the variant part.
Further, the precompressed locking structure is elastic slice.
Further, the valve casing includes the upper casing equipped with the fluid inlet and lower casing equipped with the fluid outlet,
The two connection cooperation, and surround the valve chamber；The pre-pressing structure setting is in lower casing.
Further, the spool also has the annular convex platform being integrally connected with the head end of the variant part, the convex annular
The outer diameter of platform is greater than the outer diameter of the variant part, and in the lower casing, the annular convex platform is limited in described the deformation position
Between upper casing and lower casing.
Further, assembly guide frame is combined between the spool and valve casing, which includes setting
In the variant part lateral surface several guiding projections and be set to several guide grooves of the lower case medial surface, guiding projection with
Guide groove is mating one by one.
Further, an extension is arranged in the variant part tail end outward, which includes two thin slices, the two thin slices phase
To setting, and it is located at the two sides where the slit width direction, and the spacing of two thin slices is adapted to the width of the slit, or
Person, the spacing of two thin slice tail ends are less than the width of the slit；Two thin slice is separate, alternatively, the two of two thin slice
Side is connected one by one.
Further, the extension is in I-shaped or inverted T-shaped, and the valve casing is equipped with two fins, two fin
It is stuck in the position that the two sides of the extension are recessed inwardly one by one.
The present invention separately provides a kind of sanitary ware, including closestool, pacifies on the connection water route between the closestool and resource of water supply
Valve equipped with the anti-siphon of energy described in aforementioned present invention.
Further, be provided on the connection water route into water pressure maintaining valve, the valve be arranged in the water inlet pressure maintaining valve into
In water end (W.E.).
Compared to the prior art, the invention has the following advantages:
1, due in the valve chamber of valve casing be equipped with two precompressed locking structures, the two precompressed locking structure one by one pre-pressing in the change
The lateral surface of two skew walls in shape portion, squeezes with this and limits variant part, keeps the deformation of variant part more average, after unlatching slit more
It is easy to be reset to the state for closing slit, to make variant part less fatiguability, aging, the service life is longer, and valve non-return is imitated
Fruit is more preferably.
2, the setting of two thin slice, characteristic that can be softer using thin slice can comparatively fast inhale under the viscous force effect of water
It is attached to together, prevents aqueous reflux, to increase the reversed water seal of the slit.
3, the fin is further set on the valve casing, blocks the extension, the negative pressure that can increase valve bears energy
Power.
Invention is further described in detail with reference to the accompanying drawings and embodiments；But a kind of anti-siphon of energy of the invention
The sanitary ware of valve and the application valve is not limited to the embodiment.
Detailed description of the invention
Fig. 1 is the decomposition diagram of the invention of embodiment one；
Fig. 2 is the cross-sectional view of the invention of embodiment one；
Fig. 3 is the structural schematic diagram of the spool of the invention of embodiment one；
Fig. 4 is the bottom view of the lower casing of the invention of embodiment one；
Fig. 5 is the A-A cross-sectional view of the lower casing of the invention of embodiment one；
Fig. 6 is the cross-sectional view of the water inlet pressure maintaining valve of the invention of embodiment one；
Fig. 7 is the partial enlargement diagram of one Fig. 6 of embodiment；
Fig. 8 is the structural schematic diagram of the spool of the invention of embodiment two；
Fig. 9 is the cross-sectional view of the spool of the invention of embodiment two；
Figure 10 is the structural schematic diagram of the invention of embodiment two；
Figure 11 is the cross-sectional view of the invention of embodiment two；
Figure 12 is the bottom view of the lower casing of the invention of embodiment two；
Figure 13 is the B-B cross-sectional view of the lower casing of the invention of embodiment two.
Specific embodiment
Embodiment one
Referring to Figure 1 shown in-Fig. 5, a kind of valve of anti-siphon of energy of the invention, including valve casing, spool 3, valve casing both ends point
Not She You fluid inlet 11 and fluid outlet 21, spool 3 is arranged in the valve chamber of valve casing, which has towards the fluid
The tail end of the chock shape variant part 31 of outlet 21, the variant part 31 is equipped with slit 311 able to turn on or off；It is set in the valve chamber of the valve casing
There are two precompressed locking structures, pre-pressing makes to deform the two precompressed locking structure in the lateral surface of two skew walls of the variant part 31 one by one
Portion 311 deforms.The valve casing specifically includes upper casing 1 equipped with the fluid inlet 11 and equipped with the fluid outlet 21
Lower casing 2, the two connection cooperation, and surround the valve chamber.The pre-pressing structure setting in lower casing 2,1 periphery of upper casing setting
Sealing ring 4 is socketed in annular slot.
In the present embodiment, the middle position of skew wall lateral surface of the specific pre-pressing of precompressed locking structure in the variant part 31
It sets or the position of middle and upper part (middle and upper part refers to the position in the middle part of variant part skew wall between head end), 31 middle part of variant part is following
Position (position i.e. in the middle part of variant part between tail end) keep the state of free elastically deformable.
In the present embodiment, the precompressed locking structure is briquetting 22, which has corresponding to the variant part 31 oblique
The inclined-plane of wall adaptation, which is resisted against the lateral surface of the corresponding skew wall of the variant part 31.
In the present embodiment, the spool 3 also has the annular convex platform 32 being integrally connected with the head end of the variant part 31, should
The outer diameter of annular convex platform 32 is greater than the outer diameter of the variant part 31, and the variant part 31 is located in the lower casing 2, the convex annular
Platform 32 is limited between the upper casing 1 and lower casing 2.Specifically, lower casing 2 is predominantly located in upper casing 1, and only bottom is exposed, in upper casing 1
Portion is equipped with annular receiving groove 13, and the annular convex platform 32 is inserted in the annular receiving groove 13, and is against 2 top of lower casing.Upper casing 1
Bottom is snapped connection with 2 bottom of lower casing, and specifically, 1 bottom of upper casing is circumferentially distributed several card slots 14, and 2 bottom of lower casing is circumferentially
Several fixture blocks 24 are distributed with, fixture block 24 engages one by one with card slot 14, and fixture block 24 is equipped with guiding surface, in order to be caught in card slot
14。
In the present embodiment, it is combined with assembly guide frame between the spool 3 and valve casing, which specifically wraps
It includes several guiding projections 312 for being set to 31 lateral surface of variant part and is set to the several of side in 2 body of lower casing and lead
Slot 23, guiding projection 312 are mating one by one with guide groove 23.The quantity of the guiding projection 312 is specially two, but is not limited to
In this, which is located at two skew wall lateral surfaces of the variant part 31.The quantity of the guide groove 23 is also
Two, the position of two guide groove 23 is adapted to one by one with the position of two guiding projections 312.The assembly guide frame can also be to valve
Core 3 plays the role of rotation stop, cooperates spool 3 and lower casing 2 and keeps stablizing, avoids the skew wall of variant part 31 and the briquetting 22 of lower casing 2
It misplaces.
It when installation, is aligned first with the assembly guide frame and spool 3 is packed into lower casing 2, then by upper casing 1 under
Shell 2 snaps connection, and makes the limit of spool 3 between upper casing 1 and lower casing 2.
The slit 311 of original state, 31 bottom end of variant part of spool 3 is in closed state.When fluid from the fluid of upper casing 1 into
When mouth 11 flows into, by the effect of the gravity and impact force of fluid, deformation occurs for variant part 31, opens its slit 311, fluid can
The fluid outlet 21 of lower casing 2 is flowed to by the slit 311, and is flowed out from the fluid outlet 21.When fluid goes out from the fluid of lower casing 2
When mouth 21 enters, since the slit 311 of variant part 31 remains off, thus fluid can not flow to upper casing 1 by slit 311
Fluid inlet 11, to play check function.
Since two briquettings 22 in lower casing 2 push down two skew walls of variant part 31 respectively, keep the deformation of variant part more average,
Variant part 31, which is opened, to be easier to be reset to the state for closing slit 311 after slit 311 (briquetting 22 is to the pressure of variant part 31 to change
Shape portion 31 provides deformation and resets power-assisted), to make variant part 31 less fatiguability, aging.Therefore, valve of the invention and existing skill
The valve of art is compared, and the service life is longer for valve of the invention, and non-return better effect.
A kind of sanitary ware of the invention, including closestool are equipped on the connection water route between the closestool and resource of water supply
A kind of valve 10 of the anti-siphon of energy described in above-described embodiment.Specifically, it is provided on the connection water route into water pressure maintaining valve 20, it is described
Valve 10 is arranged in the water inlet end of the water inlet pressure maintaining valve 20, as shown in Figure 6.
In the present embodiment, the closestool is specially intelligent closestool, but not limited to this, conventional toilet is also suitable.It is described into
Water pressure maintaining valve is arranged on the pedestal of electronics lid of the intelligent closestool.
When water inlet, water flow and is flowed into the water inlet end of water inlet pressure maintaining valve 20 from the fluid inlet of valve 10 11, and the spool of valve becomes
By water flow gravity and impact force action, deformation occurs in shape portion 31, to open slit 311, water flows to valve by the slit 311
Fluid outlet 21 as shown in Figure 7 (in figure arrow illustrate water (flow) direction), and finally flows into the water tank of intelligent closestool, to water tank
Carry out moisturizing.When stopping water inlet, 31 elastic reset of variant part of valve is closed its slit 311, so that water be prevented to pass through slit
311, play check function.When resource of water supply is cut off the water, occurs negative pressure in water supply line, the water inlet end of water inlet pressure maintaining valve 20 is also in
Negative pressure state, under atmospheric pressure, the spool variant part 31 of valve can along briquetting 22 to the pressure direction of variant part 31 after
It is continuous to generate deformation, slit 311 is closed, to limit water reflux, plays the effect of anti-siphon.
Embodiment two
It refers to shown in Fig. 8-Figure 13, a kind of valve of anti-siphon of energy of the invention, the difference with embodiment one is: institute
It states 31 tail end of variant part and one extension is set outward, which includes two thin slices 33, which is oppositely arranged, and is located at
Two sides where the slit width direction, and the spacing of two thin slices, 33 tail end (removes this, two thin slices less than the width of the slit
33 spacing can also be adapted to the width of slit).The two sides of two thin slice 33 are connected one by one, but not limited to this, institute
Stating two thin slices 33 can also be separate.
In the present embodiment, the extension is in inverted T-shaped (removing this, the extension can also be in I-shaped), institute
Valve casing is stated equipped with two fins 25, which is stuck in the position that the two sides of the extension are recessed inwardly one by one.Specifically,
Two fins 25 are arranged in 2 bottom end of lower casing, and two fins 25 are parallel to each other.
When assembly, first spool 3 is set on lower casing 2, the extension of spool first reverses 45 degree, and it is fixed to be situated between with two fins 25
Square diagonal line, athwart lower casing 2, are then laid flat, extension due to two thin slices 33 screen resilience, rebound cause perpendicular to
The perpendicular bisector of fin 25.
Since the thin slice 33 is softer, under the viscous force effect of water, it can comparatively fast be attached together, prevent aqueous reflux, from
And increase the reversed water seal of the slit.When water forward flow, two thin slices 33 are squeezed by hydraulic pressure, are realized and are normally discharged, and by
It is softer in thin slice 33, therefore hydraulic losses are small.When water route negative pressure is larger, becoming to fluid inlet reverse extrusion occurs for spool
Gesture prevents the change of spool at this point, fin 25 provides a pulling force to extension since extension is stuck between two fins 25
Shape portion 31 is flipped up.Therefore, valve of the invention can bear biggish siphon negative pressure.In other embodiments, the precompressed
Locking structure is elastic slice.
Above-described embodiment is only used to further illustrate a kind of valve of anti-siphon of energy of the invention and applies the bathroom of the valve clean
Tool, but the invention is not limited to embodiment, according to the technical essence of the invention any letters to the above embodiments
Single modification, equivalent variations and modification, fall within the scope of protection of technical solution of the present invention.
Claims (10)
1. a kind of valve of the anti-siphon of energy, including valve casing, spool, valve casing both ends are respectively equipped with fluid inlet and fluid outlet, spool
It is arranged in the valve chamber of valve casing, which has the chock shape variant part towards the fluid outlet, and the tail end of the variant part is set
There is slit able to turn on or off；It is characterized by: being equipped with two precompressed locking structures in the valve chamber of the valve casing, the two precompressed locking structure is one by one
Lateral surface of the pre-pressing in two skew walls of the variant part.
2. the valve of the anti-siphon of energy according to claim 1, it is characterised in that: the precompressed locking structure is briquetting, the briquetting
Inclined-plane with skew wall corresponding to the variant part adaptation, which is resisted against the outside of the corresponding skew wall of the variant part
Face.
3. the valve of the anti-siphon of energy according to claim 1, it is characterised in that: the precompressed locking structure is elastic slice.
4. the valve of the anti-siphon of energy according to claim 1, it is characterised in that: the valve casing includes being equipped with the fluid inlet
Upper casing and lower casing equipped with the fluid outlet, the two connection cooperation, and surround the valve chamber；The pre-pressing structure setting
In lower casing.
5. the valve of the anti-siphon of energy according to claim 4, it is characterised in that: the spool also has and the variant part
The annular convex platform that head end is integrally connected, the outer diameter of the annular convex platform are greater than the outer diameter of the variant part, and the deformation position is in institute
It states in lower casing, the annular convex platform is limited between the upper casing and lower casing.
6. the valve of the anti-siphon of energy according to claim 4 or 5, it is characterised in that: be combined between the spool and valve casing
Guide frame is assembled, which includes being set to several guiding projections of the variant part lateral surface and being set to institute
Several guide grooves of lower case medial surface are stated, guiding projection is mating one by one with guide groove.
7. the valve of the anti-siphon of energy according to claim 1, it is characterised in that: an extension is arranged in the variant part tail end outward
Portion, the extension include two thin slices, which is oppositely arranged, and are located at the two sides where the slit width direction, and two
The spacing of thin slice is adapted to the width of the slit, alternatively, the spacing of two thin slice tail ends is less than the width of the slit；Described two
Thin slice is separate, alternatively, the two sides of two thin slice are connected one by one.
8. the valve of the anti-siphon of energy according to claim 7, it is characterised in that: the extension is in I-shaped or inverted T
Font, the valve casing are equipped with two fins, which is stuck in the position that the two sides of the extension are recessed inwardly one by one.
9. a kind of sanitary ware, including closestool, it is characterised in that: be equipped on the connection water route between the closestool and resource of water supply
Such as the valve of the anti-siphon of energy of any of claims 1-8.
10. sanitary ware according to claim 9, it is characterised in that: it is provided on the connection water route into water pressure maintaining valve,
The valve is arranged in the water inlet end of the water inlet pressure maintaining valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374944.XA CN109578640B (en) | 2018-11-19 | 2018-11-19 | Anti-siphon valve and sanitary ware using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811374944.XA CN109578640B (en) | 2018-11-19 | 2018-11-19 | Anti-siphon valve and sanitary ware using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109578640A true CN109578640A (en) | 2019-04-05 |
| CN109578640B CN109578640B (en) | 2021-01-29 |
Family
ID=65923081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811374944.XA Active CN109578640B (en) | 2018-11-19 | 2018-11-19 | Anti-siphon valve and sanitary ware using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109578640B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111481092A (en) * | 2020-04-23 | 2020-08-04 | 烟台毓璜顶医院 | Movable sitting bath toilet chair |
| WO2021138818A1 (en) * | 2020-01-07 | 2021-07-15 | 深圳市兴日生实业有限公司 | Anti-backflow device |
| CN114801958A (en) * | 2022-05-25 | 2022-07-29 | 安徽金迪车辆装备有限公司 | Closed disinfection type nucleic acid detection mobile service vehicle |
| CN115823298A (en) * | 2023-02-27 | 2023-03-21 | 江苏恒泰泳池科技股份有限公司 | Switch valve, swimming pool filter using switch valve and working method |
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| US4535819A (en) * | 1984-06-04 | 1985-08-20 | Vernay Laboratories, Inc. | Valve assembly |
| EP0268339A2 (en) * | 1986-11-17 | 1988-05-25 | ADLER S.p.A. | Non-return reed valve for the delivery of fuel into internal combustion engines, with directed flow and maximum adjustable opening, with elastic resistance plates |
| JPH0261675B2 (en) * | 1985-02-21 | 1990-12-20 | Vernay Laboratories | |
| FR2896292A1 (en) * | 2006-01-17 | 2007-07-20 | Wirquin Plastiques Soc Par Act | Non-return system for e.g. sinks has flexible section, allowing it to be temporarily bent into curve when fitting it |
| CN102449244A (en) * | 2009-06-05 | 2012-05-09 | 刘定受 | Apparatus for preventing offensive odors for a drain |
| CN106522326A (en) * | 2016-11-30 | 2017-03-22 | 厦门建霖工业有限公司 | Anti-siphon valve and anti-siphon closestool |
| JP2017141946A (en) * | 2016-02-12 | 2017-08-17 | 株式会社Ｌｉｘｉｌ | valve |
| CN207999524U (en) * | 2018-02-09 | 2018-10-23 | 浙江特洁尔智能洁具有限公司 | A kind of vacuum brake |
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|---|---|---|---|---|
| US4535819A (en) * | 1984-06-04 | 1985-08-20 | Vernay Laboratories, Inc. | Valve assembly |
| JPH0261675B2 (en) * | 1985-02-21 | 1990-12-20 | Vernay Laboratories | |
| EP0268339A2 (en) * | 1986-11-17 | 1988-05-25 | ADLER S.p.A. | Non-return reed valve for the delivery of fuel into internal combustion engines, with directed flow and maximum adjustable opening, with elastic resistance plates |
| FR2896292A1 (en) * | 2006-01-17 | 2007-07-20 | Wirquin Plastiques Soc Par Act | Non-return system for e.g. sinks has flexible section, allowing it to be temporarily bent into curve when fitting it |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021138818A1 (en) * | 2020-01-07 | 2021-07-15 | 深圳市兴日生实业有限公司 | Anti-backflow device |
| CN111481092A (en) * | 2020-04-23 | 2020-08-04 | 烟台毓璜顶医院 | Movable sitting bath toilet chair |
| CN114801958A (en) * | 2022-05-25 | 2022-07-29 | 安徽金迪车辆装备有限公司 | Closed disinfection type nucleic acid detection mobile service vehicle |
| CN115823298A (en) * | 2023-02-27 | 2023-03-21 | 江苏恒泰泳池科技股份有限公司 | Switch valve, swimming pool filter using switch valve and working method |
| CN115823298B (en) * | 2023-02-27 | 2023-09-08 | 江苏恒泰泳池科技股份有限公司 | Switch valve, swimming pool filter using switch valve and working method of switch valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109578640B (en) | 2021-01-29 |
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