CN203891838U - Double-effect pressure releasable high-pressure stop valve - Google Patents
Double-effect pressure releasable high-pressure stop valve Download PDFInfo
- Publication number
- CN203891838U CN203891838U CN201420259597.7U CN201420259597U CN203891838U CN 203891838 U CN203891838 U CN 203891838U CN 201420259597 U CN201420259597 U CN 201420259597U CN 203891838 U CN203891838 U CN 203891838U
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- China
- Prior art keywords
- pressure
- pressure release
- release screw
- stop valve
- double
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a double-effect pressure releasable high-pressure stop valve. The double-effect pressure releasable high-pressure stop valve is characterized in that two channels are respectively additionally arranged on two hydraulic oil passages which are connected with a pressure gauge and a valve, and a first pressure release screw and a second pressure release screw are respectively arranged on the two channels; the first pressure release screw and the second pressure release screw are structurally consistent with each other, an apex is arranged at an inner end of the first pressure release screw, a radial hole is formed in the neck of the apex and is communicated with an axial hole of the first pressure release screw, a step is arranged in the middle of the first pressure release screw, and threads are arranged on an outer circle of the step. The double-effect pressure releasable high-pressure stop valve has the advantages that the two pressure release screws with integrated exhaust and sealing functions are respectively additionally arranged on connection circuits which are connected with the pressure gauge and the valve, accordingly, various original service functions of the double-effect pressure releasable high-pressure stop valve are unaffected, pressures on the relevant circuits can be respectively conveniently released, and local portions can be pertinently repaired, maintained and replaced.
Description
Technical field
The utility model belongs to petroleum machinery technical field, for equipment such as oil well head device and oil recovery (gas) tree, oil drilling manifolds, relate to a kind of dual can pressure release type high-pressure stop valve.
Background technology
Stop valve is applied very extensive in the every fluid operation in oil field, is mainly used in the equipment such as oil well head device and oil recovery (gas) tree, oil drilling manifold, is the control element that Real-Time Monitoring well head pressure changes.At present, the most frequently used high-pressure stop valve, belongs to the structure of not being with pressure release screw both at home and abroad.In the time that external pressure meter or valve occur that abnormal conditions cannot normally be worked, although can close stop valve, the pressure in each loop can not be got rid of, if carry out replace with pressure pressure meter or valve, has potential safety hazard, easily causes security incident.
Utility model content
The purpose of this utility model be to provide a kind of dual can pressure release type high-pressure stop valve, solved the unreasonable structure existing in prior art, making to close the pressure in each loop after stop valve can not get rid of, the problem of poor stability.
The technical scheme that the utility model adopts is, a kind of dual can pressure release type high-pressure stop valve, on two hydraulic circuits of Bonding pressure table and valve, a path of each increase, is respectively arranged with pressure release screw one and pressure release screw two on these two paths.
Of the present utility model dual can pressure release type high-pressure stop valve, its feature is also:
Pressure release screw one is consistent with the structure of pressure release screw two,
The inner termination of described pressure release screw one is provided with top, and top neck has radial hole and is communicated with pressure release screw one axle center hole, and the middle part of pressure release screw one is provided with step, and the cylindrical of step is provided with screw thread.
The beneficial effects of the utility model are: on the link circuit of Bonding pressure table, valve, respectively increase by one with exhaust and the pressure release screw that seals one, neither affect its original every use function, this dual can pressure release type high-pressure stop valve, can get rid of easily, respectively the pressure in associated loop, carry out the maintenance of modular repair targetedly and change.
Brief description of the drawings
Fig. 1 is assembly structure schematic diagram of the present utility model;
Fig. 2 is the local structure for amplifying schematic diagram of pressure release screw one of the present utility model.
In figure, 1. stop valve, 2. pressure release screw one, 3. pressure release screw two, 4. top, 5. step, 6. passage.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
With reference to Fig. 1, the structure of the utility model device is that a path of each increase, is respectively arranged with pressure release screw 1 and pressure release screw 23 on these two paths on two hydraulic circuits of Bonding pressure table and valve.
With reference to Fig. 2, pressure release screw 1 is consistent with the structure of pressure release screw 23.The inner termination of pressure release screw 1 is wherein provided with top 4, top 4 necks have radial hole and are communicated with pressure release screw one 2 axle center holes, the middle part of pressure release screw 1 is provided with step 5, the setting of step 5 is the pressure releases in order not affect top 4 radial holes, the cylindrical of step 5 is provided with screw thread, and pressure release screw 1 is by the screw thread on step 5 and the socket of the screw-internal thread fit in stop valve 1 main body path.
Operating principle of the present utility model is,
Under normal circumstances, two pressure release screws are closed (tightening back centre 4 tops to stop valve 1 core aperture), and this stop valve is normally worked.In the time there is fortuitous event cisco unity malfunction in pressure meter or stop valve 1, first by the switch of adjustable cut-off valve 1, stop valve 1 is closed, open again any one pressure release screw, can lay down respectively different need the pressure at place and is independent of each other and lays down, pressure on loop, can change safety operation, realize operation place without pressure safety work.
Complete the work such as maintenance of valve, replacing, then close the pressure release screw of unlatching, open stop valve and recover normal work.
Claims (2)
1. dual can a pressure release type high-pressure stop valve, it is characterized in that: respectively on two hydraulic circuits of Bonding pressure table and valve increase a path, on these two paths, be respectively arranged with pressure release screw one (2) and pressure release screw two (3).
According to claim 1 dual can pressure release type high-pressure stop valve, it is characterized in that: described pressure release screw one (2) is consistent with the structure of pressure release screw two (3),
The inner termination of described pressure release screw one (2) is provided with top (4), top (4) neck has radial hole and is communicated with pressure release screw one (2) axle center hole, the middle part of pressure release screw one (2) is provided with step (5), and the cylindrical of step (5) is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259597.7U CN203891838U (en) | 2014-05-20 | 2014-05-20 | Double-effect pressure releasable high-pressure stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420259597.7U CN203891838U (en) | 2014-05-20 | 2014-05-20 | Double-effect pressure releasable high-pressure stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203891838U true CN203891838U (en) | 2014-10-22 |
Family
ID=51718254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420259597.7U Expired - Fee Related CN203891838U (en) | 2014-05-20 | 2014-05-20 | Double-effect pressure releasable high-pressure stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203891838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357027A (en) * | 2018-11-16 | 2019-02-19 | 重庆宗星机械有限责任公司 | A kind of combined type shut-off valve |
-
2014
- 2014-05-20 CN CN201420259597.7U patent/CN203891838U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109357027A (en) * | 2018-11-16 | 2019-02-19 | 重庆宗星机械有限责任公司 | A kind of combined type shut-off valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20160520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |