CN107327619A - Booster type valve mechanism and the control method of keying - Google Patents
Booster type valve mechanism and the control method of keying Download PDFInfo
- Publication number
- CN107327619A CN107327619A CN201710577355.0A CN201710577355A CN107327619A CN 107327619 A CN107327619 A CN 107327619A CN 201710577355 A CN201710577355 A CN 201710577355A CN 107327619 A CN107327619 A CN 107327619A
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- China
- Prior art keywords
- valve
- pressure
- osculum
- chamber
- screw mandrel
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Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- 230000033228 biological regulation Effects 0.000 claims description 7
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 9
- 238000007789 sealing Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
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
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
- F16K31/365—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor the fluid acting on a diaphragm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
-
- 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
- F16K1/00—Lift 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
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- 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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanically-Actuated Valves (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The application is related to the control method of a kind of booster type valve mechanism and keying, valve mechanism includes triple-valve body, wherein one logical port capping bonnet, place is equiped with the interior valve element for cavity by elastic cup on the inside of bonnet, and elastic cup, valve element and valve cover chamber enclose cavity formation pressure chamber；Other one in threeway leads to for intake antrum, and the valve body internal cavity in addition to intake antrum and pressure chamber is water chamber；Valve element upper port is semiclosed, the inlet opening to be turned on intake antrum is offered on valve element, to the osculum turned on water chamber, the valve of osculum can be blocked by being provided with osculum, the valve is lifted by the driving mechanisms control being connected to outside valve body, and valve can be lifted when lifting with movable valve plug.The method of the application valve element with inlet opening and osculum using buffer spring and valve control, makes the driving power of valve significantly decline, all advantages with motor-driven valve and magnetic valve.Make it have high applying value.
Description
Technical field
The application is related to a kind of booster type valve mechanism used in a kind of electrically operated valve, and the control that the valve mechanism is opened and closed
Method processed.
Background technology
Existing pipeline valve automation uses motor-driven valve and electromagnetic valve, because electrically operated valve uses actuator substantially
Direct drive valve element carrys out the technology of control valve keying, there is control moment greatly, the big shortcoming of YE power consumption.
And magnetic valve relies on hydraulic drives valve element to carry out control valve keying due to simple, therefore valve crushing is greatly, and
It can not be worked under low hydraulic pressure, while the problem of also easily being blocked in the presence of control runner.
Because the serious utilization that have impact on pipeline valve automation of problem above of presence is, it is necessary to design a kind of work(of invention
Consumption is low, driving is reliable, adaptability is high valve element control structure and mode.
There are following two electrically operated valves in the prior art accordingly：
1st, the Chinese invention patent " booster type electric regulating valve " of Patent No. 200910113225.7 discloses following structure, bag
Include valve body, valve seat, valve element and bonnet and valve plug is provided with the bottom of valve element, top is provided with annular crimp shape rubber cup, valve seat side
Mozzle of the face provided with UNICOM's valve water inlet is communicated in the sealed chamber of bonnet, rubber cup and valve element formation, outlet pipe
Led to by sealed chamber outside valve body, while the switch provided with electronic or electromagnetism opening-closing device control water inlet pipe and outlet pipe, so that
The switch of control valve, solves the problem of valve automatically controls unlatching and closed, realizes micro- power consumption and automatically control, valve exists
The zero-power auto-lock function of any open degree, water when reducing excessively stream damages, and solves valve and automatically controls and opens and closure is asked
Topic, and the size of flow can be controlled and valve private opening is prevented, it is rational in infrastructure, design science, easy to use, not only may be used
To be used in water pipe, other fluid liquids or gas are readily applicable to.But its structure and control runner are complicated, and control runner
Fault rate is high, easily block.And using screw rod direct drive, high, water pressure fluctuations and impact of water hammer are required to screw strength
Easily leading screw is caused to damage during valve element.
2nd, the Chinese invention application " pressure balance type motor-driven valve " of Application No. 201410376143.2 is disclosed by valve
Body, bonnet, drive mechanism, water seal, screw rod, valve element leather cup, valve element composition, valve body have fluid intake and fluid issuing, and valve element is set
There is fluid passage.Valve element, valve element leather cup, water seal, screw rod and bonnet are collectively forming the counter balance pocket of a relative closure, and counter balance pocket is only
Communicated by the runner of valve element with fluid intake.Screw rod is connected with drive mechanism, and drive mechanism can be done by screw rod with movable valve plug
Linear motion.Valve element can be blocked in block fluid motion between fluid intake and fluid issuing by moving downward, and reach out
The effect of closing valve.Due to the presence of counter balance pocket, pressure of the fluid to valve element is balanced so that the resistance of motion of valve element diminishes.
So reduce the torque and energy consumption needed for controlled valve.Simple in construction, compact, small volume of the invention, transmission efficiency, control
Accurately, reliability is extremely strong.But it equally exists high to screw strength requirement, easily made when water pressure fluctuations and impact of water hammer valve element
The problem of being damaged into screw rod.
The content of the invention
The purpose of the application is to provide that a kind of valveless pressure loss, valve opening and closing are reliable, it is low in energy consumption to control, can flow
A kind of booster type valve mechanism of regulation；The application's another object is that proposing a kind of booster type valve on the basis of this purpose
The control method that structure is opened and closed.
What the purpose of the application was realized in：A kind of booster type valve mechanism includes triple-valve body, wherein a go side mouthful
Place's capping bonnet, place is equiped with the interior valve element for cavity, elastic cup, valve element and valve cover chamber by elastic cup on the inside of bonnet
Enclosed cavity formation pressure chamber；Other one in threeway leads to for intake antrum, and the valve body internal cavity in addition to intake antrum and pressure chamber is
Water chamber；Valve element upper port is semiclosed, the inlet opening to be turned on intake antrum is offered on valve element, to be led with water chamber
Logical osculum, the valve of osculum can be blocked by being provided with osculum, and the valve passes through the driving that is connected to outside valve body
Mechanism controls are lifted, and valve can be lifted when lifting with movable valve plug.
Stroke gap is left between osculum and the valve element upper port, the valve is arranged in the trip gap.
The clutch end of drive mechanism is connected with stretching into the screw mandrel of pressure chamber, and being spun on screw mandrel is fixed with pressing plate, pressure
Plate lower end is equiped with buffer spring, and buffer spring lower end is connected with valve.
The clutch end of drive mechanism is connected with stretching into pressure chamber C screw mandrel, and screw mandrel is through valve and is arranged on valve
The pressing plate of lower section is spun fixation, and buffer spring is provided with the screw mandrel between pressing plate and valve.
The valve has the valve body of closure osculum, and the valve body is flat thin plate.
Filter screen is provided with the inlet opening and osculum.
The control method that booster type valve mechanism is opened and closed, the valve main belt movable valve plug being arranged at by one in valve element rises
Or decline；And block or connect pressure chamber and water chamber by the valve, so that the pressure in pressure chamber is adjusted, and then regulating valve
The pressure differential of pressure suffered by core upper and lower ends, namely the pressure differential between intake antrum and pressure chamber, so as to pass through the pressure differential
Auxiliary adjustment valve element present position in valve body, is finally completed and is turned on and off valve.
During valve opening or closing, first pass through drive mechanism and drive valve to rise or fall to osculum unlatching
Or obstruction, by the connection with water chamber or obstruction first regulation pressure chamber in pressure, after by drive mechanism drive valve, and
Band movable valve plug rises or falls, at the same by the pressure differential auxiliary adjustment valve element between intake antrum and pressure chamber in valve body it is residing
Position, is finally completed and is turned on and off valve；In valve opening or closing process, rotated by driving mechanisms control screw mandrel
Degree, governor valve rises or falls distance, and then by valve limits the distance that core assembly rises or falls, so that complete
Into the aperture control that valve is overall；When valve is spacing to core assembly, core assembly is acted on by the pressure of water in valve body, in valve
Reach self-balancing in vivo.
Due to carrying out above-mentioned technical proposal, the application is using buffer spring and valve control with inlet opening and osculum
The special construction of valve element, makes the driving power of valve significantly decline, in all advantages with motor-driven valve and magnetic valve
Meanwhile, the function of valve opening regulation is also achieved, high applying value is made it have.
Brief description of the drawings：The technical scheme of the application is provided by following drawings and examples：
Fig. 1 is the structural representation of the application；
Fig. 2 is the structural representation that pressing plate is placed in the application when below valve.
Legend：A, water chamber, B, intake antrum, C, pressure chamber, 1, valve body, 2, bonnet, 3, valve element, 4, valve, 5, screw mandrel, 6,
Pressing plate, 7, buffer spring, 8, elastic cup, 9, drive mechanism, 10, inlet opening, 11, osculum, 12, sealing ring, 13, sealing dress
Put, 14, filter screen.
Embodiment：
The application is not limited by following embodiments, can determine specific reality according to the technical scheme and actual conditions of the application
Apply mode.
Embodiment：As shown in figure 1, a kind of booster type valve mechanism includes triple-valve body 1, wherein a logical port capping valve
Lid 2, is equiped with the interior valve element 3 for cavity, between elastic cup 8, valve element 3 and bonnet 2 at the inner side of bonnet 2 by elastic cup 8
Enclosed cavity formation pressure chamber C；Other one in threeway leads to for intake antrum B, empty in the valve body 1 in addition to intake antrum B and pressure chamber C
Chamber is water chamber A；The upper port of valve element 3 is semiclosed, and the inlet opening 10 to be turned on intake antrum B is offered on valve element 3, is used to
The osculum 11 turned on water chamber A, the valve 4 of osculum 11 can be blocked by being provided with osculum 11, and the valve 4 passes through
The control lifting of drive mechanism 9 outside valve body 1 is connected to, valve 4 can be lifted when lifting with movable valve plug 3.
Stroke gap is left between osculum 11 and valve element 3 upper port, the valve 4 is arranged in the trip gap.
Can be with the osculum 11 on clogging valve element 3, when the clogging valve of valve 4 when valve 4 is positioned at the lower end in stroke gap
During osculum 11 on core 3, water chamber A is blocked with connecting for pressure chamber C；Valve 4 can be pressed when continuing downward valve element 3 to
Lower motion, until valve element 3 blocks intake antrum B and water chamber A connection, valve is closed.
When valve 4 is located at the upper end in stroke gap, the osculum 11 on valve element 3 is opened, and water chamber A and pressure chamber C connect
It is logical；Valve 4 can pull valve element to move upwards when continuing up, and intake antrum B is connected with water chamber A, valve opening.
As shown in figure 1, the drive mechanism 9 is prior art, it can be motor, the power output of drive mechanism 9
Hold and be connected with stretching into pressure chamber C screw mandrel 5, rotation set has pressing plate 6 on screw mandrel 5, the lower end of pressing plate 6 is equiped with buffer spring 7, buffer
The lower end of spring 7 is connected with valve 4.
As shown in Fig. 2 the clutch end of drive mechanism 9 is connected with stretching into pressure chamber C screw mandrel 5, screw mandrel 5 passes through valve
4 are spun with being arranged on the pressing plate 6 of the lower section of valve 4, and buffer spring 7 is provided with the screw mandrel 5 between pressing plate 6 and valve 4.
By way of above two screw mandrel 5 drives valve, it can effectively be reduced and be acted on valve 4 by buffer spring 7
Power, screw mandrel 5 is played a very good protection.
The valve 4 has the valve body of closure osculum 11, and the valve body is flat thin plate.
Filter screen 14 is provided with the inlet opening 10 and osculum 11.
Sealing ring 12 is provided with the inner port of osculum 11, sealing ring 12 can be with the fitted seal of valve 4.
Screw mandrel 5 and the junction of valve body 1 are provided with sealing device 13, the sealing device 13 can be sealing ring.
The course of work and principle of the application is as follows：During valve-closed state, the row that valve 4 blocks on core assembly 3
Water hole 11, pressure chamber C and intake antrum B puts on the pressure differential of core assembly 3 for downward pressure；Between intake antrum B and water chamber A
Blocked by core assembly 3, valve is closed.
Valve enters opening process from closing：First, the drive screw 5 of drive mechanism 9 is rotated, and pressing plate 6 is done directly upwards therewith
Line is moved；The stretching of pressing plate 6 buffer spring 7, the lower end of buffer spring 7 pull valve 4 to move upwardly together；Due to valve 4 and valve element
The presence in the stroke gap of component 3, valve 4 opens the osculum 11 on core assembly 3 in advance, and pressure chamber C liquid passes through row
Water hole 11 is released to water chamber A；Pressure chamber C pressure declines, pressure chamber C and intake antrum B put on the pressure differential of core assembly 3 to
Under pressure start to be converted to and upward pressure；Valve 4 continues up pulling core assembly 3 and moved upwards, and valve is opened.
Valve is from turning on into closing process：First, the drive screw 5 of drive mechanism 9 is rotated, and pressing plate 6 is done downwards directly therewith
Line is moved；The extruding of pressing plate 6 buffer spring 7, buffer spring 7 promote valve 4 to move downwardly together；Due to valve 4 and core assembly 3
Stroke gap presence, the lower end of buffer spring 7 promotes valve 4 to block osculum 11 on core assembly 3, pressure chamber in advance
C pressure is raised；Pressure chamber C and intake antrum B puts on the pressure differential of core assembly 3 and downward pressure is converted to by upwarding pressure
Power；Valve 4 continues traveling downwardly promotion core assembly 3 and moved downward, and valve is closed.
The control method that a kind of booster type valve mechanism is opened and closed：Valve is actively driven by a valve 4 being arranged in valve element 3
Core 3 rises or falls；And pressure chamber C and water chamber A are blocked or connect by the valve 4, so as to adjust the pressure in pressure chamber C
Power, and then the pressure differential of pressure suffered by the upper and lower ends of adjusting spool 3, namely the pressure differential between intake antrum B and pressure chamber C,
So as to by the present position in valve body 1 of pressure differential auxiliary adjustment valve element 3, be finally completed and be turned on and off valve.
During valve opening or closing, first pass through drive mechanism 9 and drive valve 4 to rise or fall to osculum 11
Open or block, by the pressure in the connection with water chamber A or obstruction first regulation pressure chamber C, after driven by drive mechanism 9
Valve 4, and risen or fallen with movable valve plug 3, while passing through the pressure differential auxiliary adjustment valve element 3 between intake antrum B and pressure chamber C
The present position in valve body 1, is finally completed and is turned on and off valve.
In valve opening or closing process, by drive mechanism 9 control the swing of screw mandrel 5, the rising of governor valve 4 or
Dropping distance, and then the distance that core assembly 3 rises or falls is limited by valve 4, so as to complete the overall aperture of valve
Control.When valve 4 is spacing to core assembly 3, core assembly 3 is acted on by the pressure of water in valve body 1, is reached in valve body 1 certainly
Balance.Regulation to valve opening, is the critical function that the application is different from prior art, it realizes low power consumption flow rate
The purpose of regulation.
Above technical characteristic constitutes the most preferred embodiment of the application, and it has stronger adaptability and optimal implementation effect
Really, inessential technical characteristic can be increased and decreased according to actual needs, the need for meeting different situations.
Claims (10)
1. a kind of booster type valve mechanism, including triple-valve body, wherein a logical port capping bonnet, place passes through on the inside of bonnet
Elastic cup is equiped with the interior valve element for cavity, and elastic cup, valve element and valve cover chamber enclose cavity formation pressure chamber；In threeway
Other one leads to for intake antrum, and the valve body internal cavity in addition to intake antrum and pressure chamber is water chamber, it is characterised in that：Valve element upper port
It is semiclosed, the inlet opening to be turned on intake antrum is offered on valve element, to the osculum turned on water chamber, in draining
The valve of osculum can be blocked by being provided with hole, and the valve is lifted by the driving mechanisms control being connected to outside valve body, valve
It can be lifted during lifting with movable valve plug.
2. booster type valve mechanism as claimed in claim 1, it is characterised in that：Left between osculum and the valve element upper port
Stroke gap, the valve is arranged in the trip gap.
3. booster type valve mechanism as claimed in claim 1 or 2, it is characterised in that：The valve has closure osculum
Valve body, the valve body is flat thin plate.
4. booster type valve mechanism as claimed in claim 1 or 2, it is characterised in that：The clutch end of drive mechanism is with stretching
The screw mandrel for entering pressure chamber is connected, and rotation set has pressing plate on screw mandrel, and pressing plate lower end is equiped with buffer spring, buffer spring lower end and work
Door is connected.
5. booster type valve mechanism as claimed in claim 3, it is characterised in that：The clutch end of drive mechanism is with stretching into pressure
The screw mandrel of power chamber is connected, and is spun on screw mandrel and is fixed with pressing plate, pressing plate lower end is equiped with buffer spring, buffer spring lower end and work
Door is connected.
6. booster type valve mechanism as claimed in claim 1 or 2, it is characterised in that：The clutch end of drive mechanism is with stretching
The screw mandrel for entering pressure chamber C is connected, and screw mandrel is through valve and is arranged on below valve, and the pressing plate in valve element spins, in pressing plate
Buffer spring is provided with screw mandrel between valve.
7. booster type valve mechanism as claimed in claim 3, it is characterised in that：The clutch end of drive mechanism is with stretching into pressure
Power chamber C screw mandrel is connected, and screw mandrel is through valve and is arranged on below valve, and the pressing plate in valve element spins, in pressing plate and work
Buffer spring is provided with screw mandrel between door.
8. the booster type valve mechanism as described in claim 1 or 2 or 5 or 7, it is characterised in that：The inlet opening and osculum
Inside it is provided with filter screen.
9. the control method that booster type valve mechanism is opened and closed, it is characterised in that：The valve main belt in valve element is arranged at by one
Movable valve plug rises or falls；And block or connect pressure chamber and water chamber by the valve, so that the pressure in pressure chamber is adjusted,
And then the pressure differential of pressure suffered by adjusting spool upper and lower ends, namely the pressure differential between intake antrum and pressure chamber, so that logical
Pressure differential auxiliary adjustment valve element present position in valve body is crossed, is finally completed and is turned on and off valve.
10. the control method that booster type valve mechanism as claimed in claim 7 is opened and closed, it is characterised in that：In valve opening or
During closing, first pass through drive mechanism drive valve rise or fall to osculum open or block, by with water chamber
The pressure first in regulation pressure chamber of connection or obstruction, after valve is driven by drive mechanism, and risen or fallen with movable valve plug,
Simultaneously by pressure differential auxiliary adjustment valve element present position in valve body between intake antrum and pressure chamber, be finally completed unlatching or
Close valve；In valve opening or closing process, by driving mechanisms control screw mandrel swing, the rising of governor valve or under
Distance is dropped, and then the distance that core assembly rises or falls is limited by valve, so as to complete the overall aperture control of valve；
When valve is spacing to core assembly, core assembly is acted on by the pressure of water in valve body, and self-balancing is reached in valve body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100389899 | 2017-01-19 | ||
| CN201710038989 | 2017-01-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107327619A true CN107327619A (en) | 2017-11-07 |
| CN107327619B CN107327619B (en) | 2024-04-12 |
Family
ID=60227280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710577355.0A Active CN107327619B (en) | 2017-01-19 | 2017-07-14 | Power-assisted valve structure and opening and closing control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107327619B (en) |
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|---|---|---|---|---|
| GB1254348A (en) * | 1968-04-27 | 1971-11-17 | Danfoss As | Thermostatically controlled expansion valve for refrigerating equipment |
| CN2272076Y (en) * | 1996-06-03 | 1998-01-07 | 朱远才 | Multi-functional time-delay self-colsing valve |
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| CN2534433Y (en) * | 2002-04-15 | 2003-02-05 | 朱建文 | Internal dynamic valve |
| CN2651544Y (en) * | 2003-11-18 | 2004-10-27 | 孙恩新 | Electromagnetic control guiding valves |
| CN200946667Y (en) * | 2006-08-08 | 2007-09-12 | 刘庆荣 | Intelligent water meter control valve |
| WO2008141544A1 (en) * | 2007-05-24 | 2008-11-27 | Zuoyi Wang | A self-balancing type self-compensation sealed valve |
| CN201293139Y (en) * | 2008-11-28 | 2009-08-19 | 遵义群建塑胶制品有限公司 | Micro-electric control electromagnetic valve |
| CN103174868A (en) * | 2013-02-06 | 2013-06-26 | 张凡 | Diaphragm valve with adjustable pressure and adjustable flow range |
| CN203098883U (en) * | 2013-02-06 | 2013-07-31 | 张凡 | Diaphragm pilot valve with contact type valve element linear displacement detection device |
| JP2014012032A (en) * | 2012-07-03 | 2014-01-23 | Senju Sprinkler Kk | Pre-operation type flowing water detecting device |
| CN103591313A (en) * | 2013-10-25 | 2014-02-19 | 安徽机电职业技术学院 | Cut-off-type valve with pilot valve |
| CN104500812A (en) * | 2014-12-12 | 2015-04-08 | 刘庆荣 | Electric low-power-consumption valve |
| CN105299279A (en) * | 2014-08-02 | 2016-02-03 | 王大海 | Pressure balance type electric valve |
| CN207145740U (en) * | 2017-01-19 | 2018-03-27 | 王大海 | Booster type valve mechanism |
-
2017
- 2017-07-14 CN CN201710577355.0A patent/CN107327619B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1254348A (en) * | 1968-04-27 | 1971-11-17 | Danfoss As | Thermostatically controlled expansion valve for refrigerating equipment |
| CN2272076Y (en) * | 1996-06-03 | 1998-01-07 | 朱远才 | Multi-functional time-delay self-colsing valve |
| CN2349422Y (en) * | 1998-04-08 | 1999-11-17 | 程礼贤 | Magnetic-controlled check valve |
| CN2534433Y (en) * | 2002-04-15 | 2003-02-05 | 朱建文 | Internal dynamic valve |
| CN2651544Y (en) * | 2003-11-18 | 2004-10-27 | 孙恩新 | Electromagnetic control guiding valves |
| CN200946667Y (en) * | 2006-08-08 | 2007-09-12 | 刘庆荣 | Intelligent water meter control valve |
| WO2008141544A1 (en) * | 2007-05-24 | 2008-11-27 | Zuoyi Wang | A self-balancing type self-compensation sealed valve |
| CN201293139Y (en) * | 2008-11-28 | 2009-08-19 | 遵义群建塑胶制品有限公司 | Micro-electric control electromagnetic valve |
| JP2014012032A (en) * | 2012-07-03 | 2014-01-23 | Senju Sprinkler Kk | Pre-operation type flowing water detecting device |
| CN103174868A (en) * | 2013-02-06 | 2013-06-26 | 张凡 | Diaphragm valve with adjustable pressure and adjustable flow range |
| CN203098883U (en) * | 2013-02-06 | 2013-07-31 | 张凡 | Diaphragm pilot valve with contact type valve element linear displacement detection device |
| CN103591313A (en) * | 2013-10-25 | 2014-02-19 | 安徽机电职业技术学院 | Cut-off-type valve with pilot valve |
| CN105299279A (en) * | 2014-08-02 | 2016-02-03 | 王大海 | Pressure balance type electric valve |
| CN104500812A (en) * | 2014-12-12 | 2015-04-08 | 刘庆荣 | Electric low-power-consumption valve |
| CN207145740U (en) * | 2017-01-19 | 2018-03-27 | 王大海 | Booster type valve mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107327619B (en) | 2024-04-12 |
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