CN108426081A - Auto-manual solenoid valve - Google Patents
Auto-manual solenoid valve Download PDFInfo
- Publication number
- CN108426081A CN108426081A CN201810363023.7A CN201810363023A CN108426081A CN 108426081 A CN108426081 A CN 108426081A CN 201810363023 A CN201810363023 A CN 201810363023A CN 108426081 A CN108426081 A CN 108426081A
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- CN
- China
- Prior art keywords
- manual
- valve
- spool
- pilot hole
- automatic
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- 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.)
- Pending
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0668—Sliding valves
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of auto-manual solenoid valves, it includes a flexible film main valve plug, manual spool is realized by manual actuation to be manually controlled, automatic spool is realized by the driving of electromagnet to be automatically controlled, control the break-make of automatic pilot hole and Manual pilot hole respectively using automatic spool and manual spool, and then the action for controlling flexible film main valve plug realizes that the turn-on and turn-off of valve, scheme of the present invention have significant progress.
Description
Technical field
The present invention relates to a kind of auto-manual solenoid valves, belong to the technical field of solenoid valve.
Background technology
In order to add manual function on solenoid valve, according to the prior art, there are two technical solution is available.
First is one manually-operated gate of parallel connection outside in solenoid valve.
Second is two water-flowing paths in parallel of setting in solenoid valve, what an access therein was driven by electromagnet
Main valve plug controls break-make, and a manual main valve plug is arranged again on another access, by manually control the action of the spool into
And control the break-make of this access.
The operation principle of above-mentioned solenoid valve is inherently identical.
The manual automatic electromagnetic valve designed by the prior art is equivalent to is added to a set of manually-operated gate again, and volume is big, raw
Of high cost, high failure rate is produced, the power applied when manually controlling is big.
Invention content
According to the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to：A kind of advanced hand is provided from one
Body solenoid valve.
To achieve the above object, the technical solution adopted by the present invention to solve the technical problems is：
A kind of auto-manual solenoid valve, including a flexible film main valve plug, the flexible film main valve plug are arranged in main valve inlet and master
Between valve outlet, for the turn-on and turn-off between control bound import and Main valve outlet, the neighboring area of flexible film main valve plug
It is connected on the valve casing of the auto-manual solenoid valve, and then forms the fixed part of flexible film main valve plug, main valve inlet communicating valve
Water inlet, the water outlet of Main valve outlet communicating valve sets using the flexible film main valve plug bottom of as on the top of flexible film main valve plug
A spool epicoele is set, automatic valve chamber and manual valve chamber are set on the side of the spool epicoele or in the spool epicoele
Automatic valve chamber or manual valve chamber is arranged in portion, it is characterised in that：On the automatic valve chamber, the manual valve chamber and the spool
It is interconnected between chamber three, automatic pilot hole, the automatic pilot hole is set between automatic valve chamber and Main valve outlet
One end connect Main valve outlet, the other end of automatic pilot hole connects automatic valve chamber, is set between manual valve chamber and Main valve outlet
Manual pilot hole is set, the one end in the Manual pilot hole connects Main valve outlet, and the other end in Manual pilot hole connects manual valve chamber,
Balance hole is set between spool epicoele and main valve inlet, one end of the balance hole connects spool epicoele, balance hole it is another
End connection main valve inlet, is arranged automatic spool in the automatic valve intracavitary, and manual spool is arranged in the hand-operated valve intracavitary,
The manual spool is realized by manual actuation to be manually controlled, and the automatic spool is realized automatically by the driving of electromagnet
Control, the automatic spool control being turned on and off for automatic pilot hole, the conducting in the manual spool control Manual pilot hole
And closing；When the automatic pilot hole or Manual pilot hole are connected, the flexible film main valve plug is opened, make main valve inlet with
It is connected between Main valve outlet, and then makes the auto-manual solenoid valve conduction, when the automatic pilot hole and Manual pilot hole
When all in closed state, the flexible film main valve plug is closed, and makes to turn off between main valve inlet and Main valve outlet, and then make institute
The auto-manual electromagnetism valve breakdown stated.
The balance hole, automatic pilot hole and the setting of Manual pilot hole are on flexible film main valve plug or on valve casing.
The position setting gasket being in contact with automatic pilot hole on the automatic spool, in the auto-manual electromagnetism
Electromagnetic coil is set outside the valve casing of valve, and the electromagnetic coil generates electromagnetic attraction after being powered make automatic valve core movement and then make automatic
Pilot hole is connected, and resetting spring is arranged on the top of automatic spool, when not generating electromagnetic attraction after electromagnetic coil power-off,
Resetting spring makes automatic spool be reset into and make automatic guide's bore closure.
The manual spool is connect by connecting rod with the manual control handle outside valve, is arranged between the connecting rod and valve casing close
Seal is set with compression spring to play the role of sealing on the connecting rod, the manual valve chamber of end thereof contacts of compression spring it is interior
Wall, another end in contact hand-operated valve core of compression spring make manual spool opponent move pilot hole and generate precompression, to improve hand-operated valve
The leakproofness of core.
The valve casing includes the first valve casing and the second valve casing, the setting sealing dress between first valve casing and the second valve casing
It sets, to play the sealing function to valve casing.
The sealing device is the fixed part of the flexible film main valve plug.
First gear block and the second block are set outside the valve casing of the auto-manual solenoid valve, with limit manual control handle
Motion range, and "ON" and "Off" printed words are set outside valve casing, to indicate valve opening and close the position of valve.
Spool bore is set on the manual spool, and one end of the spool bore is connected to manual valve chamber always, when the valve
When the other end of core bore is connected to Manual pilot hole, be connected between Manual pilot hole and manual valve chamber, it is another when the spool bore
When one end is not connected to Manual pilot hole, turned off between Manual pilot hole and manual valve chamber.
It is had the beneficial effect that possessed by auto-manual solenoid valve of the present invention：One flexible film main valve plug is only set,
So that the technical solution of auto-manual solenoid valve of the present invention is different from the prior art, and keeps its technical performance advanced in existing
Technology；Automatic spool and manual spool control the break-make of automatic pilot hole and Manual pilot hole respectively, and then control flexible film master
The action of spool, compared to the prior art needed for manually control energy very small, it is various simple to manually control scheme；Structure letter
Single, the encapsulation scheme of valve is simple and reliable；It is low compared with prior art production cost, it is easy to use.
Description of the drawings
Fig. 1 show one of the embodiment of auto-manual solenoid valve of the present invention schematic diagram.
Fig. 2 show the automatic valve opening status diagram of auto-manual solenoid valve of the present invention.
Fig. 3 show the manual valve opening state schematic diagram of auto-manual solenoid valve of the present invention.
Fig. 4 show two schematic diagrames of the embodiment of auto-manual solenoid valve of the present invention.
Fig. 5 show three schematic diagrames of the embodiment of auto-manual solenoid valve of the present invention.
Wherein, 0, spool epicoele 1, main valve inlet 2, automatic valve chamber 3, manual valve chamber 4, Main valve outlet 5, flat
Weigh hole 6,7 Manual pilot hole 8 of automatic pilot hole, automatic spool 81, gasket 9, manual spool 91, spool bore
92, connecting rod 93, manual control handle 10, resetting spring 11, compression spring 12, electromagnetic coil 13, flexible film main valve
Core 131, the fixed part 14 of flexible film main valve plug, the first valve casing 15, the second valve casing 16, sealing ring 141, first gear
Block 142, the second block.
In addition, curve arrow indicates water (flow) direction.
Specific implementation mode
Illustrated embodiment does further the technical solution of auto-manual solenoid valve of the present invention below in conjunction with the accompanying drawings
It is described in detail.
As shown in 1~attached drawing of attached drawing 5, the invention discloses a kind of auto-manual solenoid valves, including a flexible film main valve
Core 13, the flexible film main valve plug are arranged between main valve inlet 1 and Main valve outlet 4, are used for control bound import 1 and Main valve outlet
The neighboring area of turn-on and turn-off between 4, flexible film main valve plug 13 is connected on the valve casing of the auto-manual solenoid valve, into
And the fixed part 131 of flexible film main valve plug 13 is formed, and the water inlet of 1 communicating valve of main valve inlet, the water outlet of 4 communicating valve of Main valve outlet
Mouthful, it is bottom with the flexible film main valve plug 13, one spool epicoele 0 is set on the top of flexible film main valve plug 13, feature exists
In：Automatic valve chamber 2 and manual valve chamber 3 are set on the side of the spool epicoele 0 or are arranged certainly in the inside of the spool epicoele 0
Dynamic valve chamber 2 or manual valve chamber 3, are phases between the automatic valve chamber 2, the manual valve chamber 3 and 0 three of spool epicoele
Intercommunicated, automatic pilot hole 6, one end connection of the automatic pilot hole 6 are set between automatic valve chamber 2 and Main valve outlet 4
The other end of Main valve outlet 4, automatic pilot hole 6 connects automatic valve chamber 2, is arranged between manual valve chamber 3 and Main valve outlet 4 manual
One end of pilot hole 7, the Manual pilot hole 7 connects Main valve outlet 4, and the other end in Manual pilot hole 7 connects manual valve chamber 3,
Balance hole 5, one end connection spool epicoele 0 of the balance hole 5, balance hole 5 are set between spool epicoele 0 and main valve inlet 1
The other end connect main valve inlet 1, the automatic spool 8 of setting, sets in the manual valve chamber 3 in the automatic valve chamber 2
Manual spool 9 is set, the manual spool 9 is realized by manual actuation to be manually controlled, and the automatic spool 8 is by electromagnet
It drives and realizes and automatically control, the automatic spool 8 controls being turned on and off for automatic pilot hole 6, and the manual spool 9 controls
Manual pilot hole 7 is turned on and off；When the automatic pilot hole 6 or Manual pilot hole 7 are connected, the flexible film main valve
Core 13 is opened, and makes to be connected between main valve inlet 1 and Main valve outlet 4, and then make the auto-manual solenoid valve conduction, when described
When automatic pilot hole 6 and Manual pilot hole 7 are all in closed state, the flexible film main valve plug 13 is closed, and main valve inlet 1 is made
It is turned off between Main valve outlet 4, and then makes the auto-manual electromagnetism valve breakdown.
In attached drawing 1~attached embodiment shown in Fig. 4, automatic valve chamber 2 is arranged in the inside of spool epicoele 0, manual valve chamber 3
It is arranged on the side of spool epicoele 0；In attached embodiment shown in fig. 5, automatic valve chamber 2 and manual valve chamber 3 are arranged in spool epicoele 0
Side, and the two connection, at a valve chamber, certainly on the basis of with scheme described in the preceding paragraph, also other embodiments do not have
Give disclosure in the form shown.
The balance hole 5, automatic pilot hole 6 and the setting of Manual pilot hole 7 are on flexible film main valve plug 13 or on valve casing.
In the embodiment shown in fig. 1, Manual pilot hole 7 is arranged on valve casing, and balance hole 5 and automatic pilot hole 6 are arranged
On flexible film main valve plug 13；In the embodiment shown in fig. 4, balance hole 5 and Manual pilot hole 7 are arranged on valve casing, automatically
Pilot hole 6 is arranged on flexible film main valve plug 13；In the embodiment shown in fig. 5, balance hole 5, automatic pilot hole 6 and manual elder generation
Guide hole 7 is all disposed on valve casing.Certainly on the basis of with scheme described in the preceding paragraph, also other embodiments are not with diagram
Form gives disclosure.
The position setting gasket 81 being in contact with automatic pilot hole 6 on the automatic spool 8, in the auto-manual
Electromagnetic coil 12 is set outside the valve casing of solenoid valve, and the electromagnetic coil 12 generates electromagnetic attraction after being powered makes automatic spool 8 move
And then automatic pilot hole 6 is made to be connected, resetting spring 10 is set on the top of automatic spool 8, after the electromagnetic coil 12 powers off
When not generating electromagnetic attraction, resetting spring 10 makes automatic spool 8 reset and then automatic pilot hole 6 is made to close.
The manual spool 9 is connect by connecting rod 92 with the manual control handle 93 outside valve, the connecting rod 92 and valve casing it
Between be arranged sealing ring 16, to play the role of sealing, on the connecting rod 92 be set with compression spring 11, one end of compression spring 11
The inner wall of manual valve chamber 3 is contacted, another end in contact hand-operated valve core 9 of compression spring 11 makes manual spool 9 to manual pilot hole 7
Precompression is generated, to improve the leakproofness of manual spool 9.
The valve casing includes the first valve casing 14 and the second valve casing 15, is set between first valve casing, 14 and second valve casing 15
Sealing device is set, to play the sealing function to valve casing.
The sealing device is the fixed part 131 of the flexible film main valve plug 13, to reduce production cost.
First gear block 141 and the second block 142 are set outside the valve casing of the auto-manual solenoid valve, with limit manual control
The motion range of handle 93 processed, and "ON" and "Off" printed words are set outside valve casing, to indicate valve opening and close the position of valve.
Spool bore 91 is set on the manual spool 9, one end of the spool bore 91 is connected to manual valve chamber 3 always, when
When the other end of the spool bore 91 is connected to Manual pilot hole 7, be connected between Manual pilot hole 7 and manual valve chamber 3, when described
When the other end of spool bore 91 is not connected to Manual pilot hole 7, turned off between Manual pilot hole 7 and manual valve chamber 3.
The automatic valve chamber 2 is connected to manual valve chamber 3, so under the premise of ensuring respective function, automatic valve
Chamber 2 can be connected into a valve chamber with manual valve chamber 3, as shown in Fig. 5, certain spool epicoele 0, automatic valve chamber 2 and hand-operated valve
3 three of chamber can also be connected into a valve chamber.
As shown in Fig. 2, after manual spool 9 is closed, and automatic spool 8 is opened, the water in automatic valve chamber 2
It is flowed to Main valve outlet 4 by automatic pilot hole 5, causes pressure reduction in spool epicoele 0 to being approximately equal at Main valve outlet 4
Pressure, so that pressure at main valve inlet 1 is more than the pressure in spool epicoele 0, flexible film main valve plug 13 is in such pressure difference
Lower upward deforms and flexible film main valve plug 13 is made to open, and makes the auto-manual solenoid valve conduction.
As shown in Fig. 3, when automatic spool 8 is closed, and rotation manual control handle 93 makes manual spool 9 open
Afterwards, the water in manual valve chamber 3 is flowed by Manual pilot hole 6 to Main valve outlet 4, leads to pressure reduction in spool epicoele 0 extremely
The pressure being approximately equal at Main valve outlet 4 makes the pressure at main valve inlet 1 be more than the pressure in spool epicoele 0, flexible film main valve
The upward under such pressure difference of core 13 deforms and flexible film main valve plug 13 is made to open, and makes the auto-manual solenoid valve
Conducting.
As shown in Fig. 1, when automatic spool 8 and manual spool 9 are all in closed state, the water warp at main valve inlet 1
Balance hole 5 enters spool epicoele 0 and its pressure is made to be approximately equal to the pressure at main valve inlet 1, leads to the pressure in spool epicoele 0
More than the pressure at Main valve outlet 4, flexible film main valve plug 13 deforms downwards under such pressure difference and makes flexible film main valve plug
13 close, and make the auto-manual electromagnetism valve breakdown.
A kind of method making Manual pilot hole and automatic pilot hole turn-on and turn-off is shown only in 1~attached drawing of attached drawing 5, with
Based on scheme of the present invention, according to the prior art, method is also very much.
Certainly, in the case where not departing from the frame of the present invention, there can also be other select and development and our energy
It is enough it is envisioned that equivalent device.
Claims (8)
1. a kind of auto-manual solenoid valve, including a flexible film main valve plug（13）, the flexible film main valve plug（13）It is arranged in master
Valve import（1）With Main valve outlet（4）Between, it is used for control bound import（1）With Main valve outlet（4）Between turn-on and turn-off,
Flexible film main valve plug（13）Neighboring area be connected on the valve casing of the auto-manual solenoid valve, and then formed flexible film main valve
Core（13）Fixed part（131）, main valve inlet（1）The water inlet of communicating valve, Main valve outlet（4）The water outlet of communicating valve, with institute
State flexible film main valve plug（13）The bottom of for, in flexible film main valve plug（13）Top be arranged a spool epicoele（0）, feature exists
In：In the spool epicoele（0）Side automatic valve chamber is set（2）With manual valve chamber（3）Or in the spool epicoele（0）It is interior
Automatic valve chamber is arranged in portion（2）Or manual valve chamber（3）, the automatic valve chamber（2）, described manual valve chamber（3）With the spool
Epicoele（0）It is interconnected between three, in automatic valve chamber（2）With Main valve outlet（4）Between automatic pilot hole is set（6）,
The automatic pilot hole（6）One end connect Main valve outlet（4）, automatic pilot hole（6）The other end connect automatic valve chamber（2）,
In manual valve chamber（3）With Main valve outlet（4）Between setting Manual pilot hole（7）, the Manual pilot hole（7）One end connection master
Valve outlet（4）, Manual pilot hole（7）The other end connect manual valve chamber（3）, in spool epicoele（0）With main valve inlet（1）Between
Balance hole is set（5）, the balance hole（5）One end connect spool epicoele（0）, balance hole（5）The other end connect main valve into
Mouthful（1）, in the automatic valve chamber（2）The interior automatic spool of setting（8）, in the manual valve chamber（3）The interior manual spool of setting
（9）, the manual spool（9）It is realized and manually controls by manual actuation, the automatic spool（8）It is driven by electromagnet
And realize and automatically control, the automatic spool（8）Control automatic pilot hole（6）Be turned on and off, the manual spool（9）Control
Manual pilot hole processed（7）Be turned on and off；When the automatic pilot hole（6）Or Manual pilot hole（7）When conducting, described scratches
Property film main valve plug（13）It opens, makes main valve inlet（1）With Main valve outlet（4）Between be connected, and then make the described auto-manual electricity
Magnet valve is connected, when the automatic pilot hole（6）With Manual pilot hole（7）When all in closed state, the flexible film main valve
Core（13）It closes, makes main valve inlet（1）With Main valve outlet（4）Between turn off, and then make the auto-manual electromagnetism valve breakdown.
2. auto-manual solenoid valve according to claim 1, it is characterised in that：The balance hole（5）, automatic pilot hole
（6）With Manual pilot hole（7）It is arranged in flexible film main valve plug（13）On upper or valve casing.
3. auto-manual solenoid valve according to claim 1, it is characterised in that：In the automatic spool（8）It is upper and automatic
Pilot hole（6）The position setting gasket being in contact（81）, electromagnetic coil is set outside the valve casing of the auto-manual solenoid valve
（12）, the electromagnetic coil（12）Electromagnetic attraction is generated after energization makes automatic spool（8）It moves and then makes automatic pilot hole（6）It leads
It is logical, in automatic spool（8）Top be arranged resetting spring（10）, when the electromagnetic coil（12）Electromagnetic attraction is not generated after power-off
When, resetting spring（10）Make automatic spool（8）It resets and then makes automatic pilot hole（6）It closes.
4. auto-manual solenoid valve according to claim 1, it is characterised in that：The manual spool（9）Pass through connecting rod
（92）With the manual control handle outside valve（93）Connection, in the connecting rod（92）Sealing ring is set between valve casing（16）, to play
The effect of sealing, in the connecting rod（92）Upper suit compression spring（11）, compression spring（11）The manual valve chamber of end thereof contacts（3）
Inner wall, compression spring（11）Another end in contact hand-operated valve core（9）, make manual spool（9）To manual pilot hole（7）It generates pre-
Pressure, to improve manual spool（9）Leakproofness.
5. auto-manual solenoid valve according to claim 1, it is characterised in that：The valve casing includes the first valve casing（14）With
Second valve casing（15）, in first valve casing（14）With the second valve casing（15）Between sealing device is set, to play to valve casing
Sealing function.
6. the auto-manual solenoid valve according to any claim of claim 1 or 5, it is characterised in that：Described is close
Seal apparatus is the flexible film main valve plug（13）Fixed part（131）.
7. the auto-manual solenoid valve according to any claim of claim 1 or 4, it is characterised in that：In the hand
First gear block is set from outside the valve casing of integrated solenoid valve（141）With the second block（142）, with limit manual control handle（93）Fortune
Dynamic range, and "ON" and "Off" printed words are set outside valve casing, to indicate valve opening and close the position of valve.
8. the auto-manual solenoid valve according to any claim of claim 1 or 4, it is characterised in that：In the hand
Movable valve plug（9）Upper setting spool bore（91）, the spool bore（91）One end be connected to manual valve chamber always（3）, when the spool
Hole（91）The other end be connected to Manual pilot hole（7）When, Manual pilot hole（7）With manual valve chamber（3）Between be connected, when described
Spool bore（91）The other end be not connected to Manual pilot hole（7）When, Manual pilot hole（7）With manual valve chamber（3）Between turn off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810363023.7A CN108426081A (en) | 2018-04-21 | 2018-04-21 | Auto-manual solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810363023.7A CN108426081A (en) | 2018-04-21 | 2018-04-21 | Auto-manual solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108426081A true CN108426081A (en) | 2018-08-21 |
Family
ID=63161656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810363023.7A Pending CN108426081A (en) | 2018-04-21 | 2018-04-21 | Auto-manual solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108426081A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595380A (en) * | 2019-01-16 | 2019-04-09 | 王春燕 | A kind of fuel gas pipeline valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2641405Y (en) * | 2003-07-28 | 2004-09-15 | 王宏 | Valve operated by man-power or electricity |
| CN101392555A (en) * | 2008-10-31 | 2009-03-25 | 株洲南车时代电气股份有限公司 | Guide electromagnetic valve with hand push button |
| CN201546293U (en) * | 2009-06-22 | 2010-08-11 | 株洲南车时代电气股份有限公司 | urinal flusher |
| CN204226802U (en) * | 2014-11-18 | 2015-03-25 | 欧文凯利自控阀（上海）有限公司 | Manual tune flow pilot solenoid valve |
| CN204226779U (en) * | 2014-08-22 | 2015-03-25 | 江苏科工科技有限公司 | A kind of auto-manual controlled in wireless intelligent electromagnetic valve |
-
2018
- 2018-04-21 CN CN201810363023.7A patent/CN108426081A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2641405Y (en) * | 2003-07-28 | 2004-09-15 | 王宏 | Valve operated by man-power or electricity |
| CN101392555A (en) * | 2008-10-31 | 2009-03-25 | 株洲南车时代电气股份有限公司 | Guide electromagnetic valve with hand push button |
| CN201546293U (en) * | 2009-06-22 | 2010-08-11 | 株洲南车时代电气股份有限公司 | urinal flusher |
| CN204226779U (en) * | 2014-08-22 | 2015-03-25 | 江苏科工科技有限公司 | A kind of auto-manual controlled in wireless intelligent electromagnetic valve |
| CN204226802U (en) * | 2014-11-18 | 2015-03-25 | 欧文凯利自控阀（上海）有限公司 | Manual tune flow pilot solenoid valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595380A (en) * | 2019-01-16 | 2019-04-09 | 王春燕 | A kind of fuel gas pipeline valve |
| CN109595380B (en) * | 2019-01-16 | 2019-11-15 | 王春燕 | A kind of fuel gas pipeline valve |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180821 |