CN103574091B - Be applicable to the valve assembly in seabed - Google Patents
Be applicable to the valve assembly in seabed Download PDFInfo
- Publication number
- CN103574091B CN103574091B CN201310511166.5A CN201310511166A CN103574091B CN 103574091 B CN103574091 B CN 103574091B CN 201310511166 A CN201310511166 A CN 201310511166A CN 103574091 B CN103574091 B CN 103574091B
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- Prior art keywords
- chamber
- valve
- opening
- valve body
- pressure
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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
- 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
Abstract
The present invention relates to a kind of valve, particularly a kind of valve assembly being applicable to seabed.Concrete technological scheme is: a kind of valve assembly being applicable to seabed, include valve, valve includes valve body and valve gap, medium inlet passage is provided with in valve body, medium flow pass and connection chamber, valve body offers and the guide channel of connection chamber conducting and pressure release passage, one end of pressure release passage is communicated with guide channel by switching chamber, the medium inlet passage conducting of the other end and valve body, switching is provided with fine motion switching mechanism in chamber, fine motion switching mechanism is provided with opening and closing pressure-releasing chamber relative to the opposite side place towards switching side, chamber, this opening and closing pressure-releasing chamber place is provided with the control gear be connected with opening and closing pressure-releasing chamber, control gear is provided with relative to the other end place being connected one end with opening and closing pressure-releasing chamber the drive unit be revealed in outside sea level.Adopt technique scheme, provide and a kind ofly can be used for underwater pipeline, opening and closing is convenient, structure is simply applicable to seabed valve assembly.
Description
Technical field
The present invention relates to a kind of valve, particularly a kind of valve assembly being applicable to seabed.
Background technique
Valve is the controlling component in fluid delivery system, has cut-off, adjustment, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.Traditional valve is primarily of valve body, valve gap, the medium inlet passage be located on valve body, medium flow pass and the connection chamber being communicated with medium inlet passage and medium flow pass, be provided with sealing seat between connection chamber and medium inlet passage or medium flow pass, be provided with in connection chamber and can implement with sealing seat the spool that seals, usually, the unlatching of spool needs the driving mechanism by valve rod and actuate valve stem, as electric actuator or handwheel are implemented to drive to spool, the Contact of spool and sealing seat is sealed, just can implement the conducting (i.e. the opening state of valve body) of medium inlet passage and medium flow pass on valve body, but, when valve body is in special operation condition, as seabed, due to the pressure that seabed exists, valve cannot be opened normally, as manually comparatively loaded down with trivial details to its process of implementing to open or close in adopted, and it is opened or the process of closedown is comparatively slow, consuming time, when there is emergency situations in the pipeline in seabed, can not implement to close to valve timely, cause the leakage of the energy, and can to environment.
Summary of the invention
For the deficiency that prior art exists, the invention provides and a kind ofly can be used for underwater pipeline, opening and closing is convenient, structure is simply applicable to seabed valve assembly.
For achieving the above object, the invention provides following technological scheme: a kind of valve assembly being applicable to seabed, include the valve that can be in seabed, valve includes valve body and valve gap, valve road is provided with in valve body, valve seat and spool, valve road includes medium inlet passage and medium flow pass, the connection chamber flowing out channel conductive for medium inlet passage and medium is provided with between valve gap and valve body, spool is in axial reciprocating in connection chamber and moves, impel the conducting of medium inlet passage and medium flow pass or close, it is characterized in that: described valve body offers with the guide channel of connection chamber conducting and with guide channel conducting or closed pressure release passage, 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 medium flow out channel conductive, be provided with in described switching chamber and impel pressure release passage and guide channel conducting or closed fine motion switching mechanism, fine motion switching mechanism is provided with opening and closing pressure-releasing chamber relative to the opposite side place towards switching side, chamber, this opening and closing pressure-releasing chamber place is provided with the control gear be connected with opening and closing pressure-releasing chamber, control gear is provided with relative to the other end place being connected one end with opening and closing pressure-releasing chamber the drive unit be revealed in outside sea level.
Adopt technique scheme, when spool and valve seat are implemented to seal, connection chamber is in closed state, now, medium inlet passage and the non-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, the pressure of conflict spool in connection chamber is made to enter switching chamber by guide channel, and approach switching chamber is discharged after entering pressure release passage, valve body just can be implemented to open, but, because seabed exists larger negative pressure, fine motion switching mechanism pressurized cannot start, to open valve body, the drive unit be then in outside sea level needs driving-controlling device, decompression is implemented to fine motion switching mechanism place, fine motion switching mechanism can normally be opened, pressure in connection chamber is discharged, it is simple that structure is set like this, it is convenient to open, even if be in the seabed with pressure, also little moment can be adopted to implement to open to valve fast.
The present invention is set to further: control gear includes mounting frame, be located at mounting frame in and can along the decompression tank of mounting frame axial reciprocating slippage, the relief chamber of hollow is provided with in decompression tank, 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 opening and closing pressure-releasing chamber, another air disk pipe extends to air 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 and is in drive motor outside sea level and one end and drive motor and links, the link that the other end links with decompression tank.
Adopt technique scheme, when the pressure at fine motion switching mechanism place is excessive cannot normally open time, drive motor drives steel cable, steel cable is transferred, and makes decompression tank towards slippage bottom mounting frame, and the pressure at fine motion switching mechanism place then can enter in decompression tank by air disk pipe, usually medium is had herein, medium then in fine motion switching mechanism place opening and closing pressure-releasing chamber then can be entered 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; Now reduce pressure tank relief chamber in the pressure between the liquid level top of medium and seabed and the pressure between opening and closing pressure-releasing chamber and framework in air disk pipe be in state of equilibrium; When valve body needs to close, then drive motor drives steel cable to drive decompression tank to be in axial in mounting frame rising, medium in relief chamber then can be back in the opening and closing pressure-releasing chamber of fine motion switching mechanism by air disk pipe, make fine motion switching mechanism that pressure release passage is implemented shutoff, pressure in the connection chamber of valve body then can be implemented to conflict to spool after cannot discharging, make spool and valve seat implement to seal, valve body is closed; The setting of air disk pipe is that arrange like this and make operation more convenient, structure is more compact because the conduit be in mounting frame needs folding.
The present invention is further set to: spool includes the erection assembly of diaphragm and diaphragm, diaphragm and erection assembly thereof are placed in medium inlet passage and between medium flow pass and connection chamber, and close with valve seat is tactile, 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 that flat is arranged, described erection assembly includes the spring being in and conflicting with the compression face of diaphragm in connection chamber, the bracket at travel(l)ing rest one end place is oppositely arranged with the fit travel(l)ing rest of movement and diaphragm of diaphragm.
Adopt technique scheme, it is simple that structure is set like this, 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 relative to the other end place being connected one end with valve body, opening is provided with closing openings and the lid sealed with framework, fine motion switching mechanism is located between switching chamber and opening and closing pressure-releasing chamber, space between lid and fine motion switching mechanism is opening and closing pressure-releasing chamber, fine motion switching mechanism includes edge and is installed with nonrigid connector between framework and lid, this nonrigid connector is provided with towards one end of pressure release passage the sealing block can closing pressure release passage, one end is provided with and nonrigid connector is conflicted in opening and closing pressure-releasing chamber, the spring that the sidewall of the other end and opening and closing pressure-releasing chamber is conflicted.
Adopt technique scheme, compact structure is set like this and simple, rationally distributed.
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-closed state schematic diagram 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 being applicable to seabed as shown in Fig. 1-Fig. 4, include the valve that can be in seabed, valve includes valve body 1 and valve gap 2, valve road is provided with in valve body 1, valve seat 3 and spool 4, valve road includes medium inlet passage 11 and medium flow pass 12, the connection chamber 13 for medium inlet passage 11 and medium flow pass 12 conducting is provided with between valve gap 2 and valve body 1, spool 4 is in axial reciprocating in connection chamber 13 and moves, impel the conducting of medium inlet passage 11 and medium flow pass 12 or close, valve body 1 offers with the guide channel 14 of connection chamber 13 conducting and with guide channel 14 conducting or closed pressure release passage 15, 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 medium flow pass 12 conducting, be provided with in switching chamber 16 and impel pressure release passage 15 and guide channel 14 conducting or closed fine motion switching mechanism 5, fine motion switching mechanism 5 is provided with opening and closing pressure-releasing chamber 17 relative to the opposite side place towards switching side, chamber 16, this opening and closing pressure-releasing chamber 17 place is provided with the control gear 6 be connected with opening and closing pressure-releasing chamber 17, control gear 6 is provided with relative to the other end place being connected one end with opening and closing pressure-releasing chamber 17 drive unit 7 be revealed in outside sea level.When spool 4 is implemented to seal with valve seat 3, connection chamber 13 is in closed state, now, medium inlet passage 11 and the non-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 conducting, the pressure of conflict spool 4 in connection chamber 13 is made to enter switching chamber 16 by guide channel 14, and approach switching chamber 16 is discharged after entering pressure release passage 15, valve body 1 just can be implemented to open, but, because seabed exists larger negative pressure, fine motion switching mechanism 5 pressurized cannot start, to open valve body 1, the drive unit 7 be then in outside sea level needs driving-controlling device 6, decompression is implemented to the opening and closing pressure-releasing chamber 17 at fine motion switching mechanism 5 place, fine motion switching mechanism 5 can normally be opened, pressure in connection chamber 13 is discharged, it is simple that structure is set like this, it is convenient to open, even if be in the seabed with pressure, also little moment can be adopted to implement to open to valve fast.It should be noted that, because valve body 1 is for seabed, its material is chosen as stainless steel, and valve body 1 can be made to get rusty from the corrosion of seawater.
In the embodiment of the present invention 1 and 2, control gear 6 includes mounting frame 61, being located at also can along the decompression tank 62 of mounting frame 61 axial reciprocating slippage in mounting frame 61, the relief chamber 63 of hollow is provided with in decompression tank 62, the axial two ends of decompression tank 62 be respectively equipped with its in the folding air disk pipe 64 of relief chamber 63 conducting, a wherein air disk pipe 64 and opening and closing pressure-releasing chamber 17 conducting, another air disk pipe 64 extends to air conducting outside sea level, and in relief chamber 63, the top of medium liquid level and the pressure in seabed and valve body 1 internal pressure balance; Drive unit 7 includes and is in drive motor 71 outside sea level and one end and drive motor 71 and links, the link 72 that the other end links with decompression tank 62.Link 72 includes the pulley 721 that is set up in outside sea level and is set around on pulley 721 and one end and 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 place and is provided with the framework 8 sealed with valve body 1, switching chamber 16 is the space between this framework 8 and valve body 1, framework 8 is provided with opening relative to the other end place being connected one end with valve body 1, opening is provided with closing openings and the lid 81 sealed with framework 8, fine motion switching mechanism 5 is located between switching chamber 16 and opening and closing pressure-releasing chamber 17, space between lid 81 and fine motion switching mechanism 5 is opening and closing pressure-releasing chamber 17, fine motion switching mechanism 5 includes edge and is installed with nonrigid connector 51 between framework 8 and lid 81, this nonrigid connector 51 is provided with towards one end of pressure release passage 15 sealing block 52 can closing pressure release passage 15, one end is provided with and nonrigid connector 51 is conflicted in opening and closing pressure-releasing chamber 17, the spring 53 that the sidewall of the other end and opening and closing pressure-releasing chamber 17 is conflicted.When the pressure at fine motion switching mechanism 5 place is excessive cannot normally open time, drive motor 71 drives steel cable 722, steel cable 722 is transferred, make decompression tank 62 towards slippage bottom mounting frame 61, the pressure at fine motion switching mechanism 5 place then can enter in decompression tank 62 by air disk pipe 64, usually medium is had herein, medium then in fine motion switching mechanism 5 place's opening and closing pressure-releasing chamber 17 then can enter in the relief chamber 63 of decompression tank 62 by air disk pipe 64, reduced pressure in fine motion switching mechanism 5 place, can normally implement to open; Now reduce pressure tank 62 relief chamber 63 in pressure between the liquid level top of medium and seabed and valve inner pressure be in state of equilibrium; When valve body 1 needs to close, then drive motor 71 drives steel cable 722 to drive decompression tank 62 to be in axially rising in mounting frame 61, medium in relief chamber 63 then can be back in the opening and closing pressure-releasing chamber 17 of fine motion switching mechanism 5 by air disk pipe 64, make fine motion switching mechanism 5 that pressure release passage 15 is implemented shutoff, pressure in the connection chamber 13 of valve body 1 then can be implemented to conflict to spool 4 after cannot discharging, make spool 4 and valve seat 3 implement to seal, valve body 1 is closed; The setting of air disk pipe 64 is that arrange like this and make operation more convenient, structure is more compact because the conduit be in mounting frame 61 needs folding.It should be noted that, decompression tank 62 is the stainless steel weight slide block of hollow.
In the embodiment of the present invention 1, as Fig. 1, shown in Fig. 2, spool 4 includes the erection assembly 42 of diaphragm 41 and diaphragm 41, diaphragm 41 and erection assembly 42 thereof are placed in medium inlet passage 11 and between medium flow pass 12 and connection chamber 13, and close with valve seat 3 is tactile, diaphragm 41 is provided with some pilot holes 411 towards the end face of medium inlet passage 11 part, 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 that flat is arranged, erection assembly 42 includes the spring 421 being in and conflicting with the compression face 413 of diaphragm 41 in connection chamber 13, the bracket 423 at travel(l)ing rest 422 one end place is oppositely arranged with the fit travel(l)ing rest 422 of movement and diaphragm 41 of diaphragm 41.
In the embodiment of the present invention 2, as shown in Figure 3, Figure 4, spool 4 comprises can along the sliding plug 43 of connection chamber 13 axial reciprocating slippage, sliding plug 43 is provided with sealing gasket 431 towards one end of valve seat 3, be provided with media seal 44 between the outer circumferential face of sliding plug 4 and connection chamber 13, this medium-tight body 44 is the gap between the outer circumferential face of sliding plug 43 and connection chamber 13 inwall; Be provided with between valve gap 2 and sliding plug 43 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 firmly can implement it fixing, prevent control gear 6 be subject to the impact of seawater and wave.And drive motor 71 is implemented to control to it by Remote, makes the switch of valve body 1 can realize more intelligentized operation.
Claims (5)
1. one kind is applicable to the valve assembly in seabed, include the valve that can be in seabed, valve includes valve body and valve gap, valve road is provided with in valve body, valve seat and spool, valve road includes medium inlet passage and medium flow pass, the connection chamber flowing out channel conductive for medium inlet passage and medium is provided with between valve gap and valve body, spool is in axial reciprocating in connection chamber and moves, impel the conducting of medium inlet passage and medium flow pass or close, described valve body offers with the guide channel of connection chamber conducting and with guide channel conducting or closed pressure release passage, one end of pressure release passage is communicated with guide channel by switching chamber, the medium of the other end and valve body flows out channel conductive, be provided with in described switching chamber and impel pressure release passage and guide channel conducting or closed fine motion switching mechanism, fine motion switching mechanism is provided with opening and closing pressure-releasing chamber relative to the opposite side place towards switching side, chamber, this opening and closing pressure-releasing chamber place is provided with the control gear be connected with opening and closing pressure-releasing chamber, control gear is provided with relative to the other end place being connected one end with opening and closing pressure-releasing chamber the drive unit be revealed in outside sea level, it is characterized in that: described control gear includes mounting frame, be located at mounting frame in and can along the decompression tank of mounting frame axial reciprocating slippage, the relief chamber of hollow is provided with in decompression tank, 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 opening and closing pressure-releasing chamber, another air disk pipe extends to air conducting outside sea level, and the pressure balance of pressure in relief chamber between medium liquid level and seabed and valve inner, described drive unit includes and is in drive motor outside sea level and one end and drive motor and links, the link that the other end links with decompression tank.
2. the valve assembly being applicable to seabed according to claim 1, is characterized in that: described link includes the pulley that is set up in outside sea level and is set around on pulley and one end and is connected with drive motor, the other end and the tank connected steel cable that reduces pressure.
3. the valve assembly being applicable to seabed according to claim 1 and 2, it is characterized in that: described spool includes the erection assembly of diaphragm and diaphragm, diaphragm and erection assembly thereof are placed in medium inlet passage and between medium flow pass and connection chamber, and close with valve seat is tactile, 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 that flat is arranged, described erection assembly includes the spring being in and conflicting with the compression face of diaphragm in connection chamber, the bracket at travel(l)ing rest one end place is oppositely arranged with the fit travel(l)ing rest of movement and diaphragm of diaphragm.
4. the valve assembly being applicable to seabed according to claim 1 and 2, it is characterized in that: described spool comprises can along the sliding plug of connection chamber axial reciprocating slippage, sliding plug is provided with sealing gasket towards one end of valve seat, be provided with media seal between the outer circumferential face of sliding plug and connection chamber, this medium-tight body is the gap between the outer circumferential face of sliding plug and connection chamber inwall.
5. the valve assembly being applicable to seabed according to claim 1 and 2, 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 relative to the other end place being connected one end with valve body, opening is provided with closing openings and the lid sealed with framework, fine motion switching mechanism is located between switching chamber and opening and closing pressure-releasing chamber, space between lid and fine motion switching mechanism is opening and closing pressure-releasing chamber, fine motion switching mechanism includes edge and is installed with nonrigid connector between framework and lid, this nonrigid connector is provided with towards one end of pressure release passage the sealing block can closing pressure release passage, one end is provided with and nonrigid connector is conflicted in opening and closing pressure-releasing chamber, the spring that the sidewall of the other end and opening and closing pressure-releasing chamber is conflicted.
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 CN103574091A (en) | 2014-02-12 |
| CN103574091B true CN103574091B (en) | 2016-04-20 |
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| 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 |
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| Country | Link |
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| CN (1) | CN103574091B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867745B (en) * | 2014-03-21 | 2016-06-22 | 陈久挺 | Deep sea pneumatic controls valve |
| JP6676432B2 (en) * | 2016-03-28 | 2020-04-08 | 株式会社不二工機 | Electric valve and method of assembling the same |
| 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 |
| CN113124213B (en) * | 2021-03-26 | 2022-08-30 | 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
- 2013-10-24 CN CN201310511166.5A patent/CN103574091B/en active Active
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 |
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| Publication number | Publication date |
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| CN103574091A (en) | 2014-02-12 |
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