CN104633211B - Water inlet valve anti-siphon structure and anti-siphon method - Google Patents
Water inlet valve anti-siphon structure and anti-siphon method Download PDFInfo
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- CN104633211B CN104633211B CN201510078638.1A CN201510078638A CN104633211B CN 104633211 B CN104633211 B CN 104633211B CN 201510078638 A CN201510078638 A CN 201510078638A CN 104633211 B CN104633211 B CN 104633211B
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- Prior art keywords
- water
- intake tunnel
- separate cavities
- water inlet
- siphon
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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
- F16K27/00—Construction of housing; Use of materials therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
- E03D1/30—Valves for high or low level cisterns; Their arrangement ; Flushing mechanisms in the cistern, optionally with provisions for a pre-or a post- flushing and for cutting off the flushing mechanism in case of leakage
- E03D1/32—Arrangement of inlet 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
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
Abstract
The invention discloses a water inlet valve anti-siphon structure and an anti-siphon method. A water inlet valve comprises a valve body, a water inlet channel, a water outlet channel and a water stop component are arranged in the valve body, and the water stop component is movably connected into the valve body and can communicate or cut off the water inlet channel. The anti-siphon structure comprises an air inlet and an isolation cavity, the air inlet is formed in the upper portion of the valve and communicated with the inside and the outside of the valve body, the isolation cavity is communicated with the air inlet and arranged between a water outlet end of the water inlet channel and a water inlet end of the water outlet channel to spatially isolate the water inlet channel from the water outlet channel, the isolation cavity is provided with a water inlet and a water outlet, the water inlet is communicated with the water inlet channel, the water outlet is communicated with the water outlet channel, and the position of the water outlet is higher than that of the water inlet. As the isolation cavity is formed and the position of the water outlet of the isolation cavity is higher than that of the water inlet, the height of a CL (center line) of the water inlet valve is determined according to the position of the water outlet of the isolation cavity, the position of the CL can be raised, anti-siphon effects are effectively improved, and the anti-siphon structure is simple and low in cost.
Description
Technical field
A kind of a kind of the present invention relates to water intaking valve, more particularly to the anti-syphon structure and anti-siphon method of water intaking valve.
Background technology
Negative pressure is likely to form when cutting off the water in tap water pipe line in pipeline, then the water in water tank will be entered certainly by water intaking valve
Siphon to be formed in waterpipe, and drinking water and sanitary equipment water sharing a set of tap water pipe line at present, it is right so to may result in
The pollution of drinking water, therefore, the water intaking valve of cistern generally has anti-syphon structure.
Water intaking valve of the prior art (is defined as water intaking valve siphon to start to improve CL lines, i.e. water tank critical bit line
Or waterline relatively low in both at the end of siphon), mostly anti-syphon structure is made in into water valve head, Patent No.
The patent of ZL200820145319.3 discloses a kind of anti-syphon valve inlet because its between intake tunnel and exhalant canal not
Separate cavities are set, and the water side of its intake tunnel overlaps with the water inlet end of exhalant canal and they are also directly connected with water tank, when
When there is negative pressure in tap water pipe line, the water in exhalant canal be easily accessible intake tunnel cause CL lines to be pulled low so that water intaking valve with
The compatibility of water tank is poor.
The content of the invention
The invention provides the anti-syphon structure and anti-siphon method of a kind of water intaking valve, which overcome existing in background technology
Anti- syphon structure easily drags down the shortcoming of CL lines.
One of the technical solution adopted for the present invention to solve the technical problems is：
A kind of anti-syphon structure of water intaking valve, the water intaking valve include valve body, be provided with intake tunnel and water outlet is logical in the valve body
Road and activity are installed in valve body and can connect or cut off the sealing component of intake tunnel, and the anti-syphon structure includes being located at valve body
The separate cavities that the air inlet of top communicating valve inside and outside is connected with air inlet, the separate cavities are arranged at the intake tunnel
So that intake tunnel and exhalant canal carried out spatial separation between water side and exhalant canal water inlet end, the separate cavities have and connect
The water inlet of logical intake tunnel and the outlet for connecting exhalant canal, the position of the outlet are higher than the position of water inlet.
Among one embodiment：The water inlet of the separate cavities is overlapped with the water side of intake tunnel, and the separate cavities go out
The mouth of a river is overlapped with the water inlet end of exhalant canal.
Among one embodiment：Include a transition passage between the intake tunnel and exhalant canal, the transition passage is
The separate cavities, the transition passage water inlet end connection intake tunnel water side, the transition passage water side connection water outlet lead to
Road water inlet end, the position of the transition passage water side are higher than the position of transition passage water inlet end.
Among one embodiment：The air inlet is located at body top, correspondence intake tunnel water side longitudinal direction below air inlet
One dividing plate is set, and dividing plate surrounds the separate cavities, connection intake tunnel between the water inlet and outlet of the separate cavities, is formed
With the water stream channel of exhalant canal, the gas channel of anti-siphon between the air inlet and water inlet, is formed.
Among one embodiment：The diaphragm rings around the water side of the intake tunnel and setting with interval, the water inlet
Bottom lock and the open-topped separate cavities are formed between the water side of passage and dividing plate, and the outlet of the separate cavities is
The open top of the separate cavities.
Among one embodiment：The dividing plate is shaped in valve body, or the dividing plate is independently secured in valve body.
Among one embodiment：Also it is installed in the separate cavities to close or open the anti-rainbow of the air inlet including activity
Inhale component, anti-siphon component closes air inlet under flow action during water intake valve, when not intaking or intake tunnel occur it is negative
During pressure, anti-siphon component opens the air inlet.
Among one embodiment：The anti-siphon component for be slidably connected to the intake tunnel water side and with the air inlet position
The check valve put correspondence and put, when water intaking valve is not intake or when intake tunnel negative pressure occurs, the check valve opens the air inlet
Mouthful；During water inlet, the check valve can close air inlet under flow action.
Among one embodiment：If the air inlet is to be opened in the manhole of body top or be spaced apart in a ring
Dry through hole.
Among one embodiment：The water side of the intake tunnel opens up an at least breach.
The two of the technical solution adopted for the present invention to solve the technical problems are：
A kind of anti-siphon method of water intaking valve, in the air inlet of water inlet valve body top setting communicating valve inside and outside, and
One separate cavities connected with air inlet are set in valve body, separate cavities are arranged at into the water side of intake tunnel and entering for exhalant canal
So that intake tunnel and exhalant canal are carried out spatial separation between water end (W.E.), separate cavities have the water inlet for connecting intake tunnel and connect
The outlet of pass-out aquaporin, makes the position of outlet higher than the position of water inlet；During water inlet, the sealing component in water intaking valve is beaten
Drive aquaporin into, exhalant canal is flowed into after separate cavities from the current of intake tunnel and realize normal water inlet；Water intaking valve enters
When aquaporin produces negative pressure, air flows through separate cavities from air inlet and eventually enters into intake tunnel to compensate the negative of intake tunnel
Pressure, now because the position of the outlet of separate cavities causes the water in exhalant canal to cannot be introduced into separate cavities higher than the position of water inlet
Realization prevents siphon.
Compared with background technology, it has the advantage that the technical program：
1st, intake tunnel and exhalant canal space are separated by described separate cavities, and the separate cavities connects for intake tunnel
The water stream channel of pass-out aquaporin, forms gas channel, the outlet position of separate cavities between air inlet and separate cavities water inlet
Higher than the position of water inlet, when negative pressure occurs in intake tunnel, air Jing air inlets flow into the water inlet and then suck water inlet and lead to
Road to compensate the negative pressure of intake tunnel, due to separate cavities outlet position be higher than water inlet position, when the water in exhalant canal
When position is below the outlet of separate cavities, the aquiform stool in exhalant canal will not be entered in valve pocket and intake tunnel, just will not be produced
Siphonage, the i.e. height of CL lines determine according to the outlet position of separate cavities, are favorably improved CL line positions, are effectively improved anti-rainbow
Inhale effect, while simple structure, only need to simply set up separate cavities, on the basis of cost is basically unchanged can acquirement show
The anti-siphon effect for writing.
2nd, the water side of the intake tunnel opens up one for increasing the breach of air-breathing flow area, gas during acceleration siphon
Suction and increase siphon when gas suction volume.
3rd, between intake tunnel and exhalant canal include a transition passage, the transition passage be the separate cavities, structure
Simply, function reliability, only need to simply set up the transition passage of separate cavities function together, on the basis of cost is basically unchanged
Significant anti-siphon effect can be obtained.
4. air inlet is located at body top, the longitudinally disposed dividing plate in correspondence intake tunnel water side, dividing plate below air inlet
The separate cavities are surrounded, the current of connection intake tunnel and exhalant canal between the water inlet and outlet of the separate cavities, are formed
Passage, forms the gas channel of anti-siphon, simple structure, function reliability, anti-siphon effect between the air inlet and water inlet
Significantly.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 depicts the sectional view under one water intake valve state of preferred embodiment.
Fig. 2 depicts one water intaking valve of preferred embodiment and produces the sectional view under siphon state.
Fig. 3 depicts one siphon air flow direction view of preferred embodiment.
Fig. 4 depicts one valve body structure view of preferred embodiment.
Fig. 5 depicts one valve cover structure view of preferred embodiment.
Fig. 6 depicts the graph of a relation of the Δ L and h of preferred embodiment one, and (wherein, Δ L is separate cavities outlet and water inlet
Difference in height；H is the distance at the top of CL lines to water intaking valve).
Fig. 7 depicts the valve body structure view of preferred embodiment two.
Fig. 8 depicts the schematic diagram under three water intake valve state of preferred embodiment.
Fig. 9 depicts three water intaking valve of preferred embodiment and produces the schematic diagram under siphon state.
Specific embodiment
Embodiment one：
Fig. 1 to Fig. 5 is refer to, a kind of anti-syphon structure of water intaking valve, the water intaking valve include that valve body 1 and lid are connected to valve body 1
On valve gap 2, include intake tunnel 31 and exhalant canal 32 in valve body, between the valve body 1 and valve gap 2, form valve pocket 3.This reality
Apply in example, the water intaking valve is also installed in valve body 1 and can connect or cut off the sealing component 5 of the intake tunnel including activity,
The present embodiment sealing component 5 is arranged at the side at the top of valve body 1.
The anti-syphon structure includes being located at 1 top of valve body and connecting the air inlet 43 inside and outside valve body 1, the air inlet in this enforcement
Mouth 43 is opened on the valve gap 2 at the top of valve body 1, and air inlet 43 makes valve pocket 3 be connected with outside air.
The anti-syphon structure also includes the separate cavities 42 connected with air inlet 43, and the separate cavities 42 are logical located at the water inlet
So that intake tunnel 31 and exhalant canal 32 are carried out space between the water side 311 in road 31 and the water inlet end 321 of exhalant canal 32
Isolation.The separate cavities 42 have the water inlet 421 and the outlet 422 for connecting exhalant canal 32, institute for connecting intake tunnel 31
The water stream channel for forming connection intake tunnel 31 and exhalant canal 32 between the water inlet 421 of separate cavities 42 and outlet 422 is stated,
The gas channel of anti-siphon is formed between the air inlet 43 and water inlet 421, and the position of the outlet 422 is higher than water inlet
421 position.The water inlet 421 of the separate cavities 42 overlapped with the water side 311 of intake tunnel 31, and the separate cavities 42 go out
The mouth of a river 422 is overlapped with the water inlet end 321 of exhalant canal 32.
The present embodiment anti-syphon structure be also installed in the separate cavities 42 including activity with close or open it is described enter
The anti-siphon component 41 of QI KOU 43, during water inlet, anti-siphon component 41 closes air inlet 43 under flow action, and intake tunnel 31 goes out
During existing negative pressure, anti-siphon component 41 opens the air inlet 43, anti-41 activity of siphon component described in the present embodiment be secured to into
Gap is provided between the water side 311 of aquaporin 31, and anti-siphon component 41 and the water side 311 of intake tunnel 31, the gap
It is air entry 44 of the air into intake tunnel 31 when supply channel is cut off the water supply suddenly and produces negative pressure.Air is flowed from the air entry 44
Enter intake tunnel 31 so as to compensate the negative pressure of intake tunnel 31, prevent siphonage from producing.
31 water side of correspondence intake tunnel, a 311 longitudinally disposed dividing plate 423 below air inlet 43, dividing plate 423 surrounds described
Separate cavities 42, the dividing plate 423 surround the water side 311 of the intake tunnel setting with interval, the intake tunnel 31
Water side 311 and dividing plate 423 between form bottom lock and the open-topped separate cavities 42, the separate cavities 42 go out
Open top of the mouth of a river 422 for the separate cavities 42,422 position of outlet of separate cavities 42 is dividing plate higher than 421 position of water inlet
Position of 423 tip height higher than the water side 311 of intake tunnel 31, its difference in height are bigger, and anti-siphon effect is better, CL lines
It is higher.In the present embodiment, the separate cavities 42 are a Ring-cylindrical cavity for surrounding 31 water side 311 of intake tunnel.
In the present embodiment, the dividing plate 423 is shaped in valve body 1, or the dividing plate 423 can also independent attaching
In valve body 1, can select as needed.
The anti-siphon component 41 for be slidably connected to 31 water side 311 of the intake tunnel and with 43 position pair of the air inlet
The check valve answered and put, when not intaking or when intake tunnel 31 negative pressure occurs, the check valve opens the air inlet 43；Water inlet
When, the check valve can close air inlet 43 under flow action.The check valve 311 position of intake tunnel water side with enter
Activity between 43 position of QI KOU.The air inlet 43 can be opened in the manhole of valve gap 2 or be spaced apart in a ring
Some through holes.Caulking gum is covered with the top end face of the check valve, the better tightness to air inlet 43 is made, check valve can
So that current are entered in water tank along the path of exhalant canal 32 during water inlet, prevent from into water during water spraying from air inlet 43 and flowing into water
Case, it is to avoid produce loud noise.
Fig. 1 to Fig. 3 is refer to, when the intake tunnel in valve body 1 is intake, current back down check valve and jack-up is just upwards
Air inlet 43 on blocking valve gap 2, the water side 311 (water inlets 421 of separate cavities) of intake tunnel are opened, and current flow into isolation
Chamber 42 simultaneously covers the outlet 422 (water inlet end of exhalant canal 321) above separate cavities 42, then flow into exhalant canal 32 so as to enter
Enter water tank；When water supply line interrupts water produces negative pressure, now, check valve is as deadweight is to the water side 311 of intake tunnel 31
(water inlets 421 of separate cavities) fall and contradict water inlet end 311 after rise, and air inlet 43 is opened, now check valve and intake tunnel 31
Water side 311 between formed air entry 44, now, if water level higher than separate cavities 42 outlet 422, water will be from outlet
422 enter in separate cavities 42, the water side 311 (water inlet 421) of the air Jing intake tunnels that water mixing is entered from air inlet 43
It is back in intake tunnel 31, when the water level in the exhalant canal 32 outside separate cavities 42 because siphonage drops to separate cavities 42
422 position of outlet below when, due to the buffer action of separate cavities 42, the water retention in exhalant canal 32 only covers separate cavities 42
Outlet 422 enter separate cavities 42, and in separate cavities 42 remaining water and from air inlet 43 suction air keep by
Suction air entry 44 stops until siphonic effect, and now the CL lines of water intaking valve stop at position of 42 outlet of separate cavities below 422
Put, the height of CL lines is almost suitable with 422 position of outlet, therefore, the outlet 422 and the height of water inlet 421 of separate cavities 42
Degree difference is bigger, and anti-siphon effect is better, and CL lines are higher.
Refer to Fig. 4 and Fig. 6, Fig. 6 are depicted under conditions of 43 charge flow rate of air inlet abundance, it is assumed that L be (separate cavities
Distance of the water inlet 421 to body top) it is 10.3mm, Δ L (difference in height of separate cavities outlet and water inlet) and h (CL lines
Distance at the top of water intaking valve) graph of a relation, intuitively show in figure, with the increase of Δ L-value, h values constantly reduce, also
It is to say, 42 outlet 422 of separate cavities is bigger with the difference in height of water inlet 421, and the distance at the top of CL lines to water intaking valve is about little, water inlet
Valve design space is bigger, and compatibility is also better.
Embodiment two：
Fig. 7 is refer to, the present embodiment with the difference of embodiment one is：In the present embodiment, the intake tunnel 31 goes out
Water end (W.E.) 311 opens up a breach 3111, and the breach 3111 is used for increasing air-breathing flow area, and inspiration capacity when can increase siphon is simultaneously
Improve air-breathing speed.
Other compositions of the present embodiment are identical with embodiment one with operation principle, repeat no more here.
Embodiment three：
Fig. 8 and Fig. 9 is refer to, the present embodiment with the difference of embodiment one is：
Between the intake tunnel 31 and exhalant canal 32 include a transition passage 33, the transition passage 33 for it is described every
From chamber 42, the water inlet end 331 of the transition passage 33 connects the water side 311 of intake tunnel, the water outlet of the transition passage 33
End 332 connects the water inlet end 321 of exhalant canal, and the position of the water side 332 of the transition passage is higher than the water inlet of transition passage
The position at end 331.
Other compositions of the present embodiment are identical with embodiment one with operation principle, repeat no more here.
A kind of anti-siphon method of water intaking valve of the present invention is：Arrange in communicating valve body on 1 top of water inlet valve body
Outer air inlet 43, and the separate cavities 42 connected with air inlet 43 are set in valve body 1, separate cavities 42 are arranged at into water and are led to
So that intake tunnel 31 and exhalant canal 32 are carried out space between the water side 311 in road 31 and the water inlet end 321 of exhalant canal 32
Isolation, separate cavities 42 have the water inlet 421 and the outlet 422 for connecting exhalant canal 32 for connecting intake tunnel 31, make water outlet
Position of the position of mouth 422 higher than water inlet 421；During water inlet, the sealing component 5 in water intaking valve opens intake tunnel 31, from
The current of intake tunnel 31 flow into exhalant canal 32 after separate cavities 42 and realize normal water inlet；The intake tunnel 31 of water intaking valve is produced
During raw negative pressure, air flows through separate cavities 42 from air inlet 43 and eventually enters into intake tunnel 31 to compensate the negative of intake tunnel 31
Pressure, now because the position of the outlet 422 of separate cavities 42 causes the water in exhalant canal 32 cannot higher than the position of water inlet 421
Realize preventing siphon into separate cavities 42.
The above, only present pre-ferred embodiments, therefore the scope of present invention enforcement can not be limited according to this, i.e., according to
Equivalence changes and modification that the scope of the claims of the present invention and description are made, all still should belong in the range of the present invention covers.
Claims (10)
1. the anti-syphon structure of a kind of water intaking valve, the water intaking valve include valve body, are provided with intake tunnel and exhalant canal in the valve body
And activity is installed in valve body and can connect or cut off the sealing component of intake tunnel, it is characterised in that：The anti-syphon structure bag
The separate cavities for being located at that the air inlet on valve body top communicating valve inside and outside is connected with air inlet are included, the separate cavities are arranged at institute
State so that intake tunnel and exhalant canal carried out spatial separation between intake tunnel water side and exhalant canal water inlet end, it is described every
There is from chamber the water inlet and the outlet for connecting exhalant canal for connecting intake tunnel, the position of the outlet is higher than water inlet
Position；The anti-syphon structure is also installed in the separate cavities to close or open the anti-siphon of the air inlet including activity
Component, during water intake valve, anti-siphon component closes air inlet under flow action, when not intaking or negative pressure occurs in intake tunnel
When, anti-siphon component opens the air inlet, and the anti-siphon component activity is secured to the water side of intake tunnel.
2. the anti-syphon structure of a kind of water intaking valve according to claim 1, it is characterised in that：The water inlet of the separate cavities
Overlap with the water side of intake tunnel, the outlet of the separate cavities is overlapped with the water inlet end of exhalant canal.
3. the anti-syphon structure of a kind of water intaking valve according to claim 1, it is characterised in that：The intake tunnel and water outlet
Include a transition passage between passage, the transition passage is the separate cavities, the transition passage water inlet end connection water inlet is logical
Road water side, the transition passage water side connect exhalant canal water inlet end, and the position of the transition passage water side was higher than
Cross the position of passage water inlet end.
4. the anti-syphon structure of a kind of water intaking valve according to claim 1, it is characterised in that：The air inlet is located at valve body
Top, the longitudinally disposed dividing plate in correspondence intake tunnel water side below air inlet, dividing plate surround the separate cavities, the separate cavities
Water inlet and outlet between form the water stream channel of connection intake tunnel and exhalant canal, the air inlet and water inlet it
Between form the gas channel of anti-siphon.
5. the anti-syphon structure of a kind of water intaking valve according to claim 4, it is characterised in that：The diaphragm rings around it is described enter
The water side of aquaporin setting with interval, form bottom lock and top between the water side of the intake tunnel and dividing plate
The separate cavities of opening, the outlet of the separate cavities is the open top of the separate cavities.
6. the anti-syphon structure of a kind of water intaking valve according to claim 4, it is characterised in that：The dividing plate is shaped in
In valve body, or the dividing plate is independently secured in valve body.
7. the anti-syphon structure of a kind of water intaking valve according to claim 6, it is characterised in that：The anti-siphon component is cunning
The intake tunnel water side check valve that is corresponding with the air inlet position and putting is connected to, when water intaking valve is not intake or water inlet
When negative pressure occurs in passage, the check valve opens the air inlet；During water inlet, the check valve can close under flow action into
QI KOU.
8. the anti-syphon structure of a kind of water intaking valve according to claim 1, it is characterised in that：The air inlet is to be opened in
The manhole of body top or some through holes being spaced apart in a ring.
9. the anti-syphon structure of a kind of water intaking valve according to claim 1, it is characterised in that：The water outlet of the intake tunnel
End opens up an at least breach.
10. the anti-siphon method of a kind of water intaking valve, it is characterised in that：On water inlet valve body top, entering for communicating valve inside and outside is set
QI KOU, and the separate cavities connected with air inlet are set in valve body, separate cavities are arranged at into the water side of intake tunnel and are gone out
So that intake tunnel and exhalant canal are carried out spatial separation between the water inlet end of aquaporin, separate cavities have connects intake tunnel
Water inlet and the outlet for connecting exhalant canal, make the position of outlet higher than the position of water inlet, and the activity in separate cavities
The anti-siphon component of air inlet can be closed or be opened to attaching, when making water intake valve anti-siphon component close under flow action into
QI KOU, when not intaking or when intake tunnel negative pressure occurs, anti-siphon component opens the air inlet, makes the anti-siphon component live
The dynamic water side for being secured to intake tunnel；During water inlet, the sealing component in water intaking valve opens intake tunnel, from intake tunnel
Current flow into exhalant canal after separate cavities and realize normal water inlet；When the intake tunnel of water intaking valve produces negative pressure, air is from entering
QI KOU flows through separate cavities and eventually enters into intake tunnel to compensate the negative pressure of intake tunnel, now because of the position of the outlet of separate cavities
The position higher than water inlet is put so that the water in exhalant canal cannot be introduced into separate cavities and realize preventing siphon.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510078638.1A CN104633211B (en) | 2015-02-13 | 2015-02-13 | Water inlet valve anti-siphon structure and anti-siphon method |
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| CN201510078638.1A CN104633211B (en) | 2015-02-13 | 2015-02-13 | Water inlet valve anti-siphon structure and anti-siphon method |
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| CN104633211A CN104633211A (en) | 2015-05-20 |
| CN104633211B true CN104633211B (en) | 2017-03-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206128223U (en) * | 2016-09-06 | 2017-04-26 | 厦门瑞尔特卫浴科技股份有限公司 | Anti -siphon water intake valve |
| CN206128222U (en) * | 2016-09-06 | 2017-04-26 | 厦门瑞尔特卫浴科技股份有限公司 | Novel side water intaking valve |
| CN106320480A (en) * | 2016-09-20 | 2017-01-11 | 芜湖市晨曦新型建材科技有限公司 | Novel anti-siphon toilet-bowl water flushing structure |
| CN109208719A (en) * | 2017-07-06 | 2019-01-15 | 厦门松霖家居有限公司 | Closestool water inlet valve backflow preventing structure |
| CN109838595A (en) * | 2017-11-25 | 2019-06-04 | 杭州神林电子有限公司 | A kind of water feed apparatus with negative pressure elimination, anti-return and safety relief function |
| CN108869812B (en) * | 2018-07-06 | 2024-04-16 | 嘉兴志嘉智能电器有限公司 | Vacuum breaker for negative pressure siphon prevention |
| CN110864451A (en) * | 2018-08-27 | 2020-03-06 | 九阳股份有限公司 | Liquid heater |
| CN113846727B (en) * | 2021-08-18 | 2022-12-13 | 箭牌家居集团股份有限公司 | Space-saving flushing device and toilet |
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| US20080060705A1 (en) * | 2006-09-08 | 2008-03-13 | Conbraco Industries, Inc. | Fill valve |
| CN201078500Y (en) * | 2007-06-11 | 2008-06-25 | 刘文健 | Antipollution closet water intake valve |
| CN201250430Y (en) * | 2008-08-20 | 2009-06-03 | 李飞宇 | Water intake valve with improved water compensation structure |
| CN201933583U (en) * | 2010-08-17 | 2011-08-17 | 厦门瑞尔特卫浴工业有限公司 | Anti-siphon structure of water tank inlet valve |
| CN201762792U (en) * | 2010-08-24 | 2011-03-16 | 厦门瑞尔特卫浴工业有限公司 | Anti-siphon water inlet valve for water tank |
| CN103696468B (en) * | 2013-12-25 | 2016-08-17 | 厦门立业卫浴工业有限公司 | A kind of anti-syphon structure of water intaking valve |
| CN204553975U (en) * | 2015-02-13 | 2015-08-12 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of anti-syphon structure of inlet valve |
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