CN103574091A - Valve assembly suitable for sea floors - Google Patents
Valve assembly suitable for sea floors Download PDFInfo
- Publication number
- CN103574091A CN103574091A CN201310511166.5A CN201310511166A CN103574091A CN 103574091 A CN103574091 A CN 103574091A CN 201310511166 A CN201310511166 A CN 201310511166A CN 103574091 A CN103574091 A CN 103574091A
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- valve
- chamber
- pressure
- valve body
- diaphragm
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Classifications
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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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
- F16K7/17—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat the diaphragm being actuated by fluid pressure
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0236—Diaphragm cut-off apparatus
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/42—Actuating devices; Operating means; Releasing devices actuated by fluid by means of electrically-actuated members in the supply or discharge conduits of the fluid motor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention relates to a valve, in particular to a valve assembly suitable for sea floors. The specific technical scheme is as follows: the valve assembly suitable for the sea floors comprises a valve, wherein the valve comprises a valve body and a valve cover; a medium inlet channel, a medium outlet channel and a connection cavity are formed in the valve body; the valve body is provided with a guide channel and a pressure relief channel communicated with the connection cavity; one end of the pressure relief channel is communicated with the guide channel through a transfer cavity, and the other end of the pressure relief channel is communicated with the medium inlet channel of the valve body; a micro switching mechanism is arranged in the transfer cavity; an opening/closing pressure relief cavity is formed in the other side, opposite to one side of the transfer cavity, of the micro switching mechanism; a control device connected with the opening/closing pressure relief cavity is arranged in the opening/closing pressure relief cavity; a driving device exposed outside the sea level is arranged at the other end, opposite to one end connected with the opening/closing pressure relief cavity, of the control device. By adopting the technical scheme, the provided valve assembly suitable for the sea floors can be applied to sea floor pipelines, is convenient to open and close, and has a simple structure.
Description
Technical field
The present invention relates to a kind of valve, particularly a kind of valve assembly that is applicable to seabed.
Background technique
Valve is the controlling component in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.Traditional valve mainly by valve body, valve gap, be located at medium inlet passage on valve body, medium flow pass and be communicated with the connection chamber of medium inlet passage and medium flow pass, between connection chamber and medium inlet passage or medium flow pass, be provided with sealing seat, in connection chamber, be provided with and can implement with sealing seat the spool of sealing, conventionally, the unlatching of spool need to be by the driving mechanism of valve rod and actuate valve stem, as electric actuator or handwheel are implemented to drive to spool, make to contact sealing between spool and sealing seat, just can implement the conducting (being the opening state of valve body) of medium inlet passage and medium flow pass on valve body, yet, when valve body is in special operation condition, as seabed, pressure due to seabed existence, valve cannot be opened normally, as adopt the process of manually it being implemented to unlatching or closing comparatively loaded down with trivial details, and its unlatching or the process of closing are comparatively slow, consuming time, when there is emergency situations in the pipeline in seabed, can not to valve, implement to close timely, cause the leakage of the energy, and can be to environment.
Summary of the invention
The deficiency existing for prior art, the invention provides a kind of underwater pipeline, convenient, simple in structure valve assembly that is applicable to seabed of switching of can be used for.
For achieving the above object, the invention provides following technological scheme: a kind of valve assembly that is applicable to seabed, include can be in seabed valve, valve includes valve body and valve gap, in valve body, be provided with valve road, valve seat and spool, valve road includes medium inlet passage and medium flow pass, between valve gap and valve body, be provided with the connection chamber for medium inlet passage and the conducting of medium flow pass, spool axial reciprocating in connection chamber moves, impel conducting or the sealing of medium inlet passage and medium flow pass, it is characterized in that: on described valve body, offer with the guide channel of connection chamber conducting and with the pressure release passage of guide channel conducting or sealing, one end of pressure release passage is communicated with guide channel by switching chamber, the medium inlet passage of the other end and valve body or the conducting of medium flow pass, in described switching chamber, be provided with the fine motion switching mechanism that impels pressure release passage and guide channel conducting or sealing, fine motion switching mechanism is provided with switching pressure-releasing chamber with respect to the opposite side place towards switching chamber one side, this switching pressure-releasing chamber place is provided with and the control gear that opens and closes pressure-releasing chamber and be connected, control gear is provided with respect to the other end place that is connected one end with switching pressure-releasing chamber the drive unit being revealed in outside sea level.
Adopt technique scheme, when spool is implemented to seal with valve seat, connection chamber is in closed state, now, medium inlet passage and the not conducting of medium flow pass, valve body is in closed condition, and after fine motion switching mechanism is touched, switching chamber and guide channel and pressure release passage conducting, make the pressure of conflict spool in connection chamber enter switching chamber by guide channel, and discharge after entering pressure release passage in approach switching chamber, valve body just can be implemented to open, yet, because seabed exists larger negative pressure, fine motion switching mechanism pressurized cannot start, if open valve body, the drive unit demand motive control gear outside sea level, fine motion switching mechanism place is implemented to decompression, fine motion switching mechanism can normally be opened, pressure in connection chamber is discharged, arrange so simple in structure, it is convenient to open, even in thering is the seabed of pressure, also can adopt little moment fast valve to be implemented to open.
The present invention is further set to: control gear includes framework is installed, is located at and installs in framework and can yearn for along installing frame axon the decompression tank of polyslip, in decompression tank, be provided with the relief chamber of hollow, the axial two ends of decompression tank be respectively equipped with its in the folding air disk pipe of relief chamber conducting, a wherein air disk pipe and the conducting of switching pressure-releasing chamber, another air disk pipe extends to atmosphere conducting outside sea level, and the top of medium liquid level and the pressure in seabed and valve inner pressure balance in relief chamber; Described drive unit includes drive motor and one end and the drive motor interlock outside sea level, the link of the other end and the interlock of decompression tank.
Adopt technique scheme, when excessive cannot normally unlatching of pressure at fine motion switching mechanism place, drive motor drives steel cable, steel cable is transferred, and the tank that makes to reduce pressure is towards framework bottom slippage is installed, and the pressure at fine motion switching mechanism place can be entered in decompression tank by air disk pipe, conventionally have medium herein, the medium that fine motion switching mechanism place opens and closes in pressure-releasing chamber can enter in the relief chamber of decompression tank by air disk pipe, is reduced pressure in fine motion switching mechanism place, can normally implement to open; Pressure between the liquid level top of medium in the relief chamber of tank and the pressure between seabed and switching pressure-releasing chamber and the framework of now reducing pressure in air disk pipe is in state of equilibrium; When valve body need to be closed, drive motor drives steel cable to drive decompression tank axially to rise in framework is installed, medium in relief chamber can be back in the switching pressure-releasing chamber at fine motion switching mechanism place by air disk pipe, make fine motion switching mechanism that pressure release passage is implemented to shutoff, pressure in the connection chamber of valve body can be implemented to conflict to spool after cannot discharging, make spool and valve seat implement sealing, valve body is closed; The setting of air disk pipe is because the conduit in framework is installed need to fold, and setting makes to operate more convenient like this, and structure is more compact.
The present invention is further set to: spool includes the assembly that sets up of diaphragm and diaphragm, diaphragm and set up assembly and be placed between medium inlet passage and medium flow pass and connection chamber, and touch and close with valve seat, diaphragm is provided with some pilot holes towards the end face of medium inlet passage part, diaphragm includes and connects sealing surface and compression face, the connection sealing surface of diaphragm is installed with between valve gap and valve body, the cross section of the compression face of diaphragm is flat setting, the described assembly that sets up includes the spring of conflicting with the compression face of diaphragm in connection chamber, travel(l)ing rest and the diaphragm mobile with diaphragm laminating are oppositely arranged the bracket that travel(l)ing rest one end is located.
Adopt technique scheme, arrange so simple in structure, good airproof performance, and there is good carrying dynamics.
The present invention is further set to: valve body is positioned at its guide channel place and is provided with the framework with valve seal, switching chamber is for being somebody's turn to do, space between framework and valve body, framework is provided with opening with respect to the other end place that is connected one end with valve body, the lid that opening is provided with sealing opening and seals with framework, fine motion switching mechanism is located at switching chamber and is opened and closed between pressure-releasing chamber, space between lid and fine motion switching mechanism is for opening and closing pressure-releasing chamber, fine motion switching mechanism includes edge and is installed with the nonrigid connector between framework and lid, this nonrigid connector is provided with the sealing block that can seal pressure release passage towards one end of pressure release passage, in switching pressure-releasing chamber, be provided with one end and nonrigid connector conflict, the other end and the spring that opens and closes the sidewall conflict of pressure-releasing chamber.
Adopt technique scheme, compact structure and simple, rationally distributed is set like this.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is that the A of Fig. 1 is to schematic diagram;
Fig. 3 is the valve closing view of the embodiment of the present invention 2;
Fig. 4 is the valve opening state schematic diagram of the embodiment of the present invention 2.
Embodiment
A kind of valve assembly that is applicable to seabed as shown in Fig. 1-Fig. 4, include can be in seabed valve, valve includes valve body 1 and valve gap 2, in valve body 1, be provided with valve road, valve seat 3 and spool 4, valve road includes medium inlet passage 11 and medium flow pass 12, between valve gap 2 and valve body 1, be provided with the connection chamber 13 for medium inlet passage 11 and 12 conductings of medium flow pass, spool 4 moves in the interior axial reciprocating of connection chamber 13, impel conducting or the sealing of medium inlet passage 11 and medium flow pass 12, on valve body 1, offer with the guide channel 14 of connection chamber 13 conductings and with the pressure release passage 15 of guide channel 14 conductings or sealing, one end of pressure release passage 15 is communicated with guide channel 14 by switching chamber 16, the medium inlet passage 11 of the other end and valve body 1 or 12 conductings of medium flow pass, in switching chamber 16, be provided with the fine motion switching mechanism 5 that impels pressure release passage 15 and guide channel 14 conductings or sealing, fine motion switching mechanism 5 is provided with and opens and closes pressure-releasing chamber 17 with respect to the opposite side place towards switching chamber 16 1 sides, these switching pressure-releasing chamber 17 places are provided with and the control gear 6 that opens and closes pressure-releasing chamber 17 and be connected, control gear 6 is provided with respect to the other end place that is connected one end with switching pressure-releasing chamber 17 drive unit 7 being revealed in outside sea level.When spool 4 is implemented sealing with valve seat 3, connection chamber 13 is in closed state, now, medium inlet passage 11 and not conducting of medium flow pass 12, valve body 1 is in closed condition, and after fine motion switching mechanism 5 is touched, switching chamber 13 with to guide channel 14 and pressure release passage 15 conductings, make the pressure of the interior conflict spool 4 of connection chamber 13 enter switching chamber 16 by guide channel 14, and approach switching chamber 16 enters the rear discharge of pressure release passage 15, valve body 1 just can be implemented to open, yet, because seabed exists larger negative pressure, fine motion switching mechanism 5 pressurizeds cannot start, if open valve body 1, 7 demand motive control gear 6 of the drive unit outside sea level, switching pressure-releasing chamber 17 to fine motion switching mechanism 5 places is implemented decompression, fine motion switching mechanism 5 can normally be opened, pressure in connection chamber 13 is discharged, arrange so simple in structure, it is convenient to open, even in thering is the seabed of pressure, also can adopt little moment fast valve to be implemented to open.It should be noted that, because valve body 1 is for seabed, its material is chosen as stainless steel, can make valve body 1 avoid the corrosion of seawater and get rusty.
In the embodiment of the present invention 1 and 2, control gear 6 includes framework 61 is installed, is located at also can be along the decompression tank 62 that framework 61 axial reciprocating slippages are installed in installation framework 61, in decompression tank 62, be provided with the relief chamber 63 of hollow, the axial two ends of decompression tank 62 be respectively equipped with its in the folding air disk pipe 64 of relief chamber 63 conductings, a wherein air disk pipe 64 and 17 conductings of switching pressure-releasing chamber, another air disk pipe 64 extends to atmosphere conducting outside sea level, and the top of the interior medium liquid level of relief chamber 63 and the pressure in seabed and valve body 1 internal pressure balance; Drive unit 7 includes drive motor 71 and one end and drive motor 71 interlocks outside sea level, the link 72 of the other end and 62 interlocks of decompression tank.Link 72 includes the pulley 721 being set up in outside sea level and is set around on pulley 721 and one end is connected with drive motor 71, the steel cable 722 that the other end is connected with the tank 62 that reduces pressure.Valve body 1 is positioned at its guide channel 14 places and is provided with the framework 8 sealing with valve body 1, switching chamber 16 is the space between this framework 8 and valve body 1, framework 8 is provided with opening with respect to the other end place that is connected one end with valve body 1, the lid 81 that opening is provided with sealing opening and seals with framework 8, fine motion switching mechanism 5 is located at switching chamber 16 and is opened and closed between pressure-releasing chamber 17, space between lid 81 and fine motion switching mechanism 5 is for opening and closing pressure-releasing chamber 17, fine motion switching mechanism 5 includes edge and is installed with the nonrigid connector 51 between framework 8 and lid 81, this nonrigid connector 51 is provided with the sealing block 52 that can seal pressure release passage 15 towards one end of pressure release passage 15, in switching pressure-releasing chamber 17, be provided with one end and nonrigid connector 51 conflicts, the other end and the spring 53 that opens and closes the sidewall conflict of pressure-releasing chamber 17.When excessive cannot normally unlatching of pressure at fine motion switching mechanism 5 places, drive motor 71 drives steel cable 722, steel cable 722 is transferred, make to reduce pressure tank 62 towards framework 61 bottom slippages are installed, the pressure at fine motion switching mechanism 5 places can be entered in decompression tank 62 by air disk pipe 64, conventionally have medium herein, the medium that fine motion switching mechanism 5 places open and close in pressure-releasing chamber 17 can enter in the relief chamber 63 of decompression tank 62 by air disk pipe 64, reduced pressure in fine motion switching mechanism 5 places, can normally implement to open; Now reduce pressure the liquid level top of relief chamber 63 interior media of tank 62 and the pressure between seabed and valve inner pressure in state of equilibrium; When valve body 1 need to be closed, drive motor 71 drives steel cable 722 to drive decompression tank 62 in the interior axial rising of framework 61 is installed, medium in relief chamber 63 can be back in the switching pressure-releasing chamber 17 at fine motion switching mechanism 5 places by air disk pipe 64, make fine motion switching mechanism 5 that pressure release passage 15 is implemented to shutoff, pressure in the connection chamber 13 of valve body 1 can be implemented to conflict to spool 4 after cannot discharging, make spool 4 and valve seat 3 implement sealing, valve body 1 is closed; The setting of air disk pipe 64 is because the conduit in framework 61 is installed need to fold, and setting makes to operate more convenient like this, and structure is more compact.It should be noted that the stainless steel weight slide block that decompression tank 62 is hollow.
In the embodiment of the present invention 1, as Fig. 1, shown in Fig. 2, what spool 4 included diaphragm 41 and diaphragm 41 sets up assembly 42, diaphragm 41 and set up assembly 42 and be placed between medium inlet passage 11 and medium flow pass 12 and connection chamber 13, and touch and close with valve seat 3, diaphragm 41 is provided with some pilot holes 411 towards the end face of medium inlet passage 11 parts, diaphragm 41 includes and connects sealing surface 412 and compression face 413, the connection sealing surface 412 of diaphragm 41 is installed with between valve gap 2 and valve body 1, the cross section of the compression face 413 of diaphragm 41 is flat setting, set up assembly 42 and include the spring 421 of conflicting with the compression face 413 of diaphragm 41 in connection chamber 13, travel(l)ing rest 422 and the diaphragm 41 mobile with diaphragm 41 laminatings are oppositely arranged the bracket 423 that travel(l)ing rest 422 one end are located.
In the embodiment of the present invention 2, as shown in Figure 3, Figure 4, spool 4 comprises can be along the sliding plug 43 of connection chamber 13 axial reciprocating slippages, sliding plug 43 is provided with sealing gasket 431 towards one end of valve seat 3, between the outer circumferential face of sliding plug 4 and connection chamber 13, be provided with media seal 44, this medium-tight body 44 is the outer circumferential face of sliding plug 43 and the gap between connection chamber 13 inwalls; Between valve gap 2 and sliding plug 43, be provided with and compress spring 45.
It should be noted that, the control gear 6 in the embodiment of the present invention is set up in seashore limit, so just can firmly to it, implement to fix, and prevents that control gear 6 is subject to the impact of seawater and waves.And drive motor 71 can be implemented to control to it by Remote, makes the switch of valve body 1 can realize more intelligentized operation.
Claims (6)
1. a valve assembly that is applicable to seabed, include can be in seabed valve, valve includes valve body and valve gap, in valve body, be provided with valve road, valve seat and spool, valve road includes medium inlet passage and medium flow pass, between valve gap and valve body, be provided with the connection chamber for medium inlet passage and the conducting of medium flow pass, spool axial reciprocating in connection chamber moves, impel conducting or the sealing of medium inlet passage and medium flow pass, it is characterized in that: on described valve body, offer with the guide channel of connection chamber conducting and with the pressure release passage of guide channel conducting or sealing, one end of pressure release passage is communicated with guide channel by switching chamber, the medium inlet passage of the other end road and valve body or the conducting of medium flow pass, in described switching chamber, be provided with the fine motion switching mechanism that impels pressure release passage and guide channel conducting or sealing, fine motion switching mechanism is provided with switching pressure-releasing chamber with respect to the opposite side place towards switching chamber one side, this switching pressure-releasing chamber place is provided with and the control gear that opens and closes pressure-releasing chamber and be connected, control gear is provided with respect to the other end place that is connected one end with switching pressure-releasing chamber the drive unit being revealed in outside sea level.
2. the valve assembly that is applicable to seabed according to claim 1, it is characterized in that: described control gear includes installation framework, be located at and install in framework and can yearn for along installing frame axon the decompression tank of polyslip, in decompression tank, be provided with the relief chamber of hollow, the axial two ends of decompression tank be respectively equipped with its in the folding air disk pipe of relief chamber conducting, a wherein air disk pipe and the conducting of switching pressure-releasing chamber, another air disk pipe extends to atmosphere conducting outside sea level, and the top of medium liquid level and the pressure in seabed and valve inner pressure balance in relief chamber, described drive unit includes drive motor and one end and the drive motor interlock outside sea level, the link of the other end and the interlock of decompression tank.
3. the valve assembly that is applicable to seabed according to claim 2, is characterized in that: described link includes and is set up in the pulley outside sea level and is set around on pulley and one end is connected with drive motor, the other end and the tank connected steel cable that reduces pressure.
4. according to the valve assembly that is applicable to seabed described in claim 1 or 2 or 3, it is characterized in that: described spool includes the assembly that sets up of diaphragm and diaphragm, diaphragm and set up assembly and be placed between medium inlet passage and medium flow pass and connection chamber, and touch and close with valve seat, diaphragm is provided with some pilot holes towards the end face of medium inlet passage part, diaphragm includes and connects sealing surface and compression face, the connection sealing surface of diaphragm is installed with between valve gap and valve body, the cross section of the compression face of diaphragm is flat setting, the described assembly that sets up includes the spring of conflicting with the compression face of diaphragm in connection chamber, travel(l)ing rest and the diaphragm mobile with diaphragm laminating are oppositely arranged the bracket that travel(l)ing rest one end is located.
5. according to the valve assembly that is applicable to seabed described in claim 1 or 2 or 3, it is characterized in that: described spool comprises can be along the sliding plug of connection chamber axial reciprocating slippage, sliding plug is provided with sealing gasket towards one end of valve seat, between the outer circumferential face of sliding plug and connection chamber, be provided with media seal, this medium-tight body is the outer circumferential face of sliding plug and the gap between connection chamber inwall.
6. according to the valve assembly that is applicable to seabed described in claim 1 or 2 or 3, it is characterized in that: described valve body is positioned at its guide channel place and is provided with the framework with valve seal, switching chamber is the space between this framework and valve body, framework is provided with opening with respect to the other end place that is connected one end with valve body, the lid that opening is provided with sealing opening and seals with framework, fine motion switching mechanism is located at switching chamber and is opened and closed between pressure-releasing chamber, space between lid and fine motion switching mechanism is for opening and closing pressure-releasing chamber, fine motion switching mechanism includes edge and is installed with the nonrigid connector between framework and lid, this nonrigid connector is provided with the sealing block that can seal pressure release passage towards one end of pressure release passage, in switching pressure-releasing chamber, be provided with one end and nonrigid connector conflict, the other end and the spring that opens and closes the sidewall conflict of pressure-releasing chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511166.5A CN103574091B (en) | 2013-10-24 | 2013-10-24 | Be applicable to the valve assembly in seabed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310511166.5A CN103574091B (en) | 2013-10-24 | 2013-10-24 | Be applicable to the valve assembly in seabed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103574091A true CN103574091A (en) | 2014-02-12 |
| CN103574091B CN103574091B (en) | 2016-04-20 |
Family
ID=50046529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310511166.5A Active CN103574091B (en) | 2013-10-24 | 2013-10-24 | Be applicable to the valve assembly in seabed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103574091B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867745A (en) * | 2014-03-21 | 2014-06-18 | 陈久挺 | Deep sea pneumatic control valve |
| CN109973693A (en) * | 2019-04-28 | 2019-07-05 | 张家港保税区昊大微控技术有限公司 | A kind of balanced valve and fluid balance method |
| CN111396618A (en) * | 2016-03-28 | 2020-07-10 | 株式会社不二工机 | Electric valve |
| CN113124213A (en) * | 2021-03-26 | 2021-07-16 | 沪航科技集团有限公司 | Exhaust valve with flow dividing structure |
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| CN2449021Y (en) * | 2000-10-30 | 2001-09-19 | 吴德富 | Two-position two-way diaphragm electromagnetic valve |
| CN2740852Y (en) * | 2004-11-17 | 2005-11-16 | 蔡云山 | Electromagnetic fast-discharge valve |
| CN101706007A (en) * | 2009-11-12 | 2010-05-12 | 陈久挺 | Diaphragm valve with middle and large caliber controlled by small moment |
| CN201666388U (en) * | 2009-11-12 | 2010-12-08 | 陈久挺 | Middle-large aperture diaphragm valve controlled by small moment |
| CN102748522A (en) * | 2012-07-20 | 2012-10-24 | 陈久挺 | Remote control solar intelligent electric control valve with medium-large caliber |
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2013
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2449021Y (en) * | 2000-10-30 | 2001-09-19 | 吴德富 | Two-position two-way diaphragm electromagnetic valve |
| CN2740852Y (en) * | 2004-11-17 | 2005-11-16 | 蔡云山 | Electromagnetic fast-discharge valve |
| CN101706007A (en) * | 2009-11-12 | 2010-05-12 | 陈久挺 | Diaphragm valve with middle and large caliber controlled by small moment |
| CN201666388U (en) * | 2009-11-12 | 2010-12-08 | 陈久挺 | Middle-large aperture diaphragm valve controlled by small moment |
| CN102748522A (en) * | 2012-07-20 | 2012-10-24 | 陈久挺 | Remote control solar intelligent electric control valve with medium-large caliber |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867745A (en) * | 2014-03-21 | 2014-06-18 | 陈久挺 | Deep sea pneumatic control valve |
| CN103867745B (en) * | 2014-03-21 | 2016-06-22 | 陈久挺 | Deep sea pneumatic controls valve |
| CN111396618A (en) * | 2016-03-28 | 2020-07-10 | 株式会社不二工机 | Electric valve |
| CN109973693A (en) * | 2019-04-28 | 2019-07-05 | 张家港保税区昊大微控技术有限公司 | A kind of balanced valve and fluid balance method |
| CN109973693B (en) * | 2019-04-28 | 2023-12-29 | 张家港保税区昊大微控技术有限公司 | Balancing valve and fluid balancing method |
| CN113124213A (en) * | 2021-03-26 | 2021-07-16 | 沪航科技集团有限公司 | Exhaust valve with flow dividing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103574091B (en) | 2016-04-20 |
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