CN104074983A - A self-operated bidirectional fast stop valve - Google Patents
A self-operated bidirectional fast stop valve Download PDFInfo
- Publication number
- CN104074983A CN104074983A CN201310096314.1A CN201310096314A CN104074983A CN 104074983 A CN104074983 A CN 104074983A CN 201310096314 A CN201310096314 A CN 201310096314A CN 104074983 A CN104074983 A CN 104074983A
- Authority
- CN
- China
- Prior art keywords
- valve
- medium
- pilot valve
- main valve
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- 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
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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
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
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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
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
- F16K31/143—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves the fluid acting on a piston
Abstract
The invention discloses a stop valve, especially relating to a self-operated bidirectional fast stop valve which can control the flow of a medium in two directions. The stop valve can be conveniently installed and used. The fluid stopping effect is excellent. A valve body is provided with a medium left bypass hole and a medium right bypass hole. One end of the medium left bypass hole and one end of the medium right bypass hole are respectively connected with an air cavity on the left of the valve body and an air cavity on the right of the valve body. The other end of the medium left bypass hole and the other end of the medium right bypass hole are both communicated with an air inlet of a main valve cylinder. A left check steel ball and a right check steel ball are respectively arranged in the medium left bypass hole and the medium right bypass hole and are respectively connected with a left check spring and a right check spring. A main valve piston is also provided with a pressure relief buffering hole. One end of the pressure relief buffering hole is communicated with the air inlet of the main valve cylinder and the other end of the pressure relief buffering hole is communicated with the air cavities of the valve body. A valve plug of a pilot valve is pressed against the pressure relief buffering hole.
Description
Technical field
The present invention relates to cut-off valve technical field, particularly relate to the two-way repid cut-off valve of a kind of self-powering type.
Background technique
As everyone knows, cut-off valve is comprised of many springs pneumatic diaphragn actuating mechanism or floating type piston actuator and modulating valve, controls cut-out, connection or the switching of process pipe inner fluid, is widely used in the industrial production sectors such as oil, chemical industry, metallurgy; Existing cut-off valve, generally includes air-inlet cavity and outlet chamber, and medium can only unidirectionally pass through cut-off valve by air-inlet cavity to outlet chamber, in using process, if installed oppositely, or the medium in pipeline is while needing oppositely by pipeline, existing cut-off valve will inactivation, uses and has inconvenience more.
Chinese patent publication No. is CN201561127U patent, a kind of Special oxygen emergent stop valve is disclosed, wherein, comprise valve seat, valve body, control valve valve rod, valve top cover, in valve body, be provided with spool guide sleeve, valve core spring, spool, cylinder sleeve, be provided with cylinder sleeve, piston on spool, pneumatic actuator is arranged in valve body link, on pneumatic actuator, be provided with contact, on valve body link, be connected with valve position switch; This Special oxygen emergent stop valve, by the acting in conjunction of high pressure draught, spring and piston, is controlling preferably oxygen and is flowing ducted, uses comparatively stablely, cut off effect better, but also existence can only be unidirectional by the problem of fluid.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of can circulation by two-way control media, to install and use more for convenience, fluid cuts off the two-way repid cut-off valve of the good self-powering type of effect.
The two-way repid cut-off valve of self-powering type of the present invention, comprise valve body, valve core of main valve preloading spring, valve core of main valve, main valve piston, main valve cylinder, pilot valve core, pilot valve piston and pilot valve cylinder, one end of described valve core of main valve preloading spring is fixed on valve body bottom, and the other end is connected with the bottom of valve core of main valve, the top of described valve core of main valve is connected with described main valve piston, described main valve piston is arranged in described main valve cylinder, and top, the top of described main valve piston is pressed with described pilot valve core, described pilot valve core is connected with described pilot valve piston, described pilot valve piston is arranged in described pilot valve cylinder, on described pilot valve piston, be also provided with return spring group, on described valve body, be also respectively arranged with the left by-pass hole of medium and the right by-pass hole of medium, one end of the left by-pass hole of described medium and the right by-pass hole of medium communicates with the air cavity in described valve body left side and the air cavity on right side respectively, the other end all communicates with the suction port of described main valve cylinder, in the left by-pass hole of described medium and the right by-pass hole of medium, be also respectively arranged with left non-return steel ball and right non-return steel ball, on described left non-return steel ball and right non-return steel ball, be connected with respectively left check spring and right check spring, on described main valve piston, be also provided with pressure release cushion hole, one end of described pressure release cushion hole communicates with the suction port of described main valve cylinder, the other end communicates with valve body air cavity, described pilot valve core top is pressed on described pressure release cushion hole.
Further, on described main valve piston, be provided with o-ring groove, and be provided with seal ring in described o-ring groove.
Further, on the sealed sides of described valve core of main valve and described valve body, be provided with the seal ring cooperatively interacting.
Further, on the top of described pilot valve core and described valve body, be provided with the seal ring cooperatively interacting.
Further, also comprise pilot valve source of the gas, solenoid valve and remote control switch, described pilot valve cylinder is connected with described pilot valve source of the gas, and is provided with solenoid valve between described pilot valve cylinder and described pilot valve source of the gas, and described remote control switch is electrically connected to described solenoid valve.
Further, also comprise handle, described handle is connected with described pilot valve piston, and controls the relative movement of described pilot valve piston in described pilot valve cylinder, is also provided with adjusting screw mandrel on described handle.
Compared with prior art beneficial effect of the present invention is: can circulate by two-way control media, install and use more for convenience, it is better that fluid cuts off effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, the two-way repid cut-off valve of self-powering type of the present invention, comprise valve body, valve core of main valve preloading spring 13, valve core of main valve 12, main valve piston 9, main valve cylinder, pilot valve core 8, pilot valve piston 4 and pilot valve cylinder 3, one end of valve core of main valve preloading spring 13 is fixed on valve body bottom, and the other end is connected with the bottom of valve core of main valve 12, the top of valve core of main valve 12 is connected with main valve piston 9, main valve piston 9 is arranged in main valve cylinder, and top, the top of main valve piston 9 is pressed with pilot valve core 8, pilot valve core 8 is connected with pilot valve piston 4, pilot valve piston 4 is arranged in pilot valve cylinder 3, on pilot valve piston, be also provided with return spring group 5, on valve body, be also respectively arranged with the left by-pass hole 14 of medium and the right by-pass hole 10 of medium, one end of the left by-pass hole 14 of medium and the right by-pass hole 10 of medium communicates with the air cavity in valve body left side and the air cavity on right side respectively, the other end all communicates with the suction port of main valve cylinder, in the left by-pass hole 14 of medium and the right by-pass hole 10 of medium, be also respectively arranged with left non-return steel ball 15 and right non-return steel ball 7, on left non-return steel ball and right non-return steel ball, be connected with respectively left check spring 16 and right check spring 6, on main valve piston 9, be also provided with pressure release cushion hole 11, one end of pressure release cushion hole 11 communicates with the suction port of main valve cylinder, the other end communicates with valve body air cavity, pilot valve core 8 tops are pressed on pressure release cushion hole 11.
When medium enters from valve body right side air cavity, by aerating in pilot valve cylinder or by other means, regulate pilot valve piston 4 that it is moved down, pilot valve core 8 departs from valve body and moves downward, open main valve cylinder air inlet, high-pressure medium is entered in the main valve cylinder on main valve piston 9 tops by the right by-pass hole 10 of medium, while air pressure promotes left non-return steel ball 15 closes the left by-pass hole 14 of medium automatically, when pilot valve core 8 is opened, the pressure release cushion hole 11 on main valve piston 9 is pressed on top, and quick closedown pressure release cushion hole 11, the thrust of pilot valve piston 4 and the atmospheric pressure of main valve piston 9 are acted on main valve plug 12 simultaneously, and surpassed the counterpressure of valve core of main valve under high-pressure medium effect and the elastic force of valve core of main valve preloading spring 13 is opened rapidly valve, cut-off valve is normally worked, when running into emergency case, by controlling pilot valve cylinder, lose gas or by other means, controlling pilot valve piston 4 moves upward, pilot valve piston 4 is return under the effect of return spring group 5, pilot valve core 8 is closed immediately, the high-pressure medium acting on main valve piston 9 is blocked, the cushion hole of pressure release is simultaneously opened, medium releases, pressure disappears, high-pressure medium produces back pressure to valve core of main valve 12 and adds that valve core of main valve preloading spring 13 holds power and discharges immediately, and the valve core of main valve of cut-off valve is closed rapidly, and the shut-in time is less than 1S.
When medium enters from valve body left side air cavity, by aerating in pilot valve cylinder or by other means, regulate pilot valve piston 4 that it is moved down, pilot valve core 8 departs from valve body and moves downward, open main valve cylinder air inlet, high-pressure medium is entered in the main valve cylinder on main valve piston 9 tops by the left by-pass hole 14 of medium, while air pressure promotes right non-return steel ball 7 closes the right by-pass hole 14 of medium automatically, when pilot valve core 8 is opened, the pressure release cushion hole 11 on main valve piston 9 is pressed on top, and quick closedown pressure release cushion hole 11, the thrust of pilot valve piston 4 and the atmospheric pressure of main valve piston 9 are acted on main valve plug 12 simultaneously, and surpassed the counterpressure of valve core of main valve under high-pressure medium effect and the elastic force of valve core of main valve preloading spring 13 is opened rapidly valve, cut-off valve is normally worked, when running into emergency case, by controlling pilot valve cylinder, lose gas or by other means, controlling pilot valve piston 4 moves upward, pilot valve piston 4 is return under the effect of return spring group 5, pilot valve core 8 is closed immediately, the high-pressure medium acting on main valve piston 9 is blocked, the cushion hole of pressure release is simultaneously opened, medium releases, pressure disappears, high-pressure medium produces back pressures to valve core of main valve 12 and adds that valve core of main valve preloading spring 13 holds power and discharges immediately, and the valve core of main valve of cut-off valve is closed rapidly, about 1-2 of shut-in time second.
In actual use, above-mentioned medium comprises that various gas and low viscous liquid medium are as gasoline, and these media in use all can obtain good using effect.
On main valve piston 9, be provided with o-ring groove, and be provided with seal ring in o-ring groove, on the sealed sides of valve core of main valve 12 and valve body, be provided with the seal ring cooperatively interacting, on the top of pilot valve core 8 and valve body, be provided with the seal ring cooperatively interacting; Like this, can improve sealing effect.
In addition, the two-way repid cut-off valve of self-powering type also comprises pilot valve source of the gas, solenoid valve and remote control switch, pilot valve cylinder 3 is connected with pilot valve source of the gas, and is provided with solenoid valve between pilot valve cylinder 3 and pilot valve source of the gas, and remote control switch is electrically connected to solenoid valve, like this, can control the running of pilot valve cylinder by far-end, and then realize and control the two-way repid cut-off valve of self-powering type, use more for convenience, when running into the inefficacy of emergency case remote control switch, pilot valve source of the gas lost efficacy, cause pilot valve cylinder to lose gas, pilot valve piston 4 is return under the effect of cluster spring, pilot valve core 8 is closed immediately, the high-pressure medium acting on main valve piston 9 is blocked, the cushion hole of pressure release is simultaneously opened, medium releases, pressure disappears, high-pressure medium produces back pressure to valve core of main valve 12 and adds that valve core of main valve preloading spring 13 holds power and discharges immediately, the valve core of main valve of cut-off valve is closed rapidly, about 1-2 of shut-in time second, Security in the time of can effectively improving so the two-way repid cut-off valve use of self-powering type.
Further, also comprise handle 1, handle is connected with pilot valve piston, and controls the relative movement of pilot valve piston in pilot valve cylinder, is also provided with and regulates screw mandrel 2 on handle; Like this, switching that can the two-way repid cut-off valve of manual tune self-powering type.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
Claims (6)
1. the two-way repid cut-off valve of self-powering type, comprise valve body, valve core of main valve preloading spring (13), valve core of main valve (12), main valve piston (9), main valve cylinder, pilot valve core (8), pilot valve piston (4) and pilot valve cylinder (3), one end of described valve core of main valve preloading spring (13) is fixed on valve body bottom, and the other end is connected with the bottom of valve core of main valve (12), the top of described valve core of main valve (12) is connected with described main valve piston (9), described main valve piston (9) is arranged in described main valve cylinder, and top, the top of described main valve piston (9) is pressed with described pilot valve core (8), described pilot valve core (8) is connected with described pilot valve piston (4), described pilot valve piston (4) is arranged in described pilot valve cylinder (3), on described pilot valve piston, be also provided with return spring group (5), it is characterized in that, on described valve body, be also respectively arranged with the left by-pass hole of medium (14) and the right by-pass hole of medium (10), one end of the left by-pass hole of described medium (14) and the right by-pass hole of medium (10) communicates with the air cavity in described valve body left side and the air cavity on right side respectively, the other end all communicates with the suction port of described main valve cylinder, in the left by-pass hole of described medium (14) and the right by-pass hole of medium (10), be also respectively arranged with left non-return steel ball (15) and right non-return steel ball (7), on described left non-return steel ball and right non-return steel ball, be connected with respectively left check spring (16) and right check spring (6), on described main valve piston (9), be also provided with pressure release cushion hole (11), one end of described pressure release cushion hole (11) communicates with the suction port of described main valve cylinder, the other end communicates with valve body air cavity, described pilot valve core (8) top is pressed on described pressure release cushion hole (11).
2. the two-way repid cut-off valve of self-powering type as claimed in claim 1, is characterized in that, described main valve piston is provided with o-ring groove on (9), and is provided with seal ring in described o-ring groove.
3. the two-way repid cut-off valve of self-powering type as claimed in claim 1, is characterized in that, on the sealed sides of described valve core of main valve (12) and described valve body, is provided with the seal ring cooperatively interacting.
4. the two-way repid cut-off valve of self-powering type as claimed in claim 1, is characterized in that, on the top of described pilot valve core (8) and described valve body, is provided with the seal ring cooperatively interacting.
5. the two-way repid cut-off valve of self-powering type as claimed in claim 1, it is characterized in that, also comprise pilot valve source of the gas, solenoid valve and remote control switch, described pilot valve cylinder (3) is connected with described pilot valve source of the gas, and being provided with solenoid valve between described pilot valve cylinder (3) and described pilot valve source of the gas, described remote control switch is electrically connected to described solenoid valve.
6. the two-way repid cut-off valve of self-powering type as claimed in claim 1, it is characterized in that, also comprise handle (1), described handle is connected with described pilot valve piston (4), and control the relative movement of described pilot valve piston (4) in described pilot valve cylinder (3), on described handle, be also provided with and regulate screw mandrel (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096314.1A CN104074983B (en) | 2013-03-25 | 2013-03-25 | The two-way repid cut-off valve of self-powering type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310096314.1A CN104074983B (en) | 2013-03-25 | 2013-03-25 | The two-way repid cut-off valve of self-powering type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104074983A true CN104074983A (en) | 2014-10-01 |
| CN104074983B CN104074983B (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310096314.1A Active CN104074983B (en) | 2013-03-25 | 2013-03-25 | The two-way repid cut-off valve of self-powering type |
Country Status (1)
| Country | Link |
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| CN (1) | CN104074983B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101026A (en) * | 2017-06-01 | 2017-08-29 | 浙江金龙自控设备有限公司 | Safety cut-off valve and its control system |
| CN111895162A (en) * | 2020-08-14 | 2020-11-06 | 蓝晶晶 | Flat gate valve for oil field |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023002459A1 (en) * | 2021-07-23 | 2023-01-26 | Rotex Automation Limited | A two-port solenoid valve with an integrated non-return valve (nrv) or check valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08270806A (en) * | 1995-03-27 | 1996-10-15 | Koguma Kikai Kk | Automatic pressure regulating valve |
| CN2299202Y (en) * | 1997-04-11 | 1998-12-02 | 浙江黄岩八一通用机械厂 | Control mechanism of check valve |
| CN101153669A (en) * | 2006-09-30 | 2008-04-02 | 刘理敏 | Signal-amplifying pilot-operated and self-operated regulator |
| CN201344266Y (en) * | 2009-03-15 | 2009-11-11 | 蒋可贞 | Piston type pilot-operated solenoid valve with large aperture |
| CN102297278A (en) * | 2011-08-04 | 2011-12-28 | 张连生 | Emergency cutoff valve |
| CN202220860U (en) * | 2011-08-10 | 2012-05-16 | 潘挺宇 | Pneumatic stop valve |
-
2013
- 2013-03-25 CN CN201310096314.1A patent/CN104074983B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08270806A (en) * | 1995-03-27 | 1996-10-15 | Koguma Kikai Kk | Automatic pressure regulating valve |
| CN2299202Y (en) * | 1997-04-11 | 1998-12-02 | 浙江黄岩八一通用机械厂 | Control mechanism of check valve |
| CN101153669A (en) * | 2006-09-30 | 2008-04-02 | 刘理敏 | Signal-amplifying pilot-operated and self-operated regulator |
| CN201344266Y (en) * | 2009-03-15 | 2009-11-11 | 蒋可贞 | Piston type pilot-operated solenoid valve with large aperture |
| CN102297278A (en) * | 2011-08-04 | 2011-12-28 | 张连生 | Emergency cutoff valve |
| CN202220860U (en) * | 2011-08-10 | 2012-05-16 | 潘挺宇 | Pneumatic stop valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101026A (en) * | 2017-06-01 | 2017-08-29 | 浙江金龙自控设备有限公司 | Safety cut-off valve and its control system |
| CN111895162A (en) * | 2020-08-14 | 2020-11-06 | 蓝晶晶 | Flat gate valve for oil field |
| CN111895162B (en) * | 2020-08-14 | 2022-04-26 | 浙江冠正阀门股份有限公司 | Flat gate valve for oil field |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104074983B (en) | 2016-04-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160310 Address after: 325000, 6, Wenzhou hi tech Zone, Zhejiang Applicant after: ZHEJIANG TINGYU FLUID EQUIPMENT Co.,Ltd. Address before: 325000 Wenzhou City, Zhejiang province No. 109 high road Applicant before: TING-YU GROUP Co.,Ltd. |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Self operated two-way quick shut-off valve Effective date of registration: 20221103 Granted publication date: 20160406 Pledgee: Wenzhou Financing Guarantee Co.,Ltd. Pledgor: ZHEJIANG TINGYU FLUID EQUIPMENT Co.,Ltd. Registration number: Y2022110000294 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |