CN209294489U - A kind of Novel hydraulic safety valve - Google Patents
A kind of Novel hydraulic safety valve Download PDFInfo
- Publication number
- CN209294489U CN209294489U CN201822060480.7U CN201822060480U CN209294489U CN 209294489 U CN209294489 U CN 209294489U CN 201822060480 U CN201822060480 U CN 201822060480U CN 209294489 U CN209294489 U CN 209294489U
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- valve
- sheath
- pedestal
- spring
- pressure cap
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Abstract
A kind of Novel hydraulic safety valve includes: valve module, manual actuation component；The valve module includes: valve body, valve deck, valve rod, pedestal, pressure cap；The fixed valve deck in the top of the valve body, the top of valve deck is embedded in pressure cap, and pedestal is arranged in the outside at the top of valve deck；Valve rod first end is arranged in valve inner, and second end sequentially passes through valve deck, pressure cap；The manual actuation component includes: location nut, sheath, lead screw, handwheel；When valve module is shown in a fully open operation, valve rod second end screws on location nut, and location nut is made to contact pressure cap；The sheath setting is at the top of the base；Lead screw is arranged inside sheath with thread forms, and the outside of sheath is arranged in its second end, and connect with handwheel；With the rotation of handwheel, lead screw is moved axially in the inside of sheath, and the second end in contact of valve rod and is compressed, until location nut and pressure cap contact, to realize the clear way valve state of valve module.
Description
Technical field
The utility model belongs to oil exploration equipment, is that one kind is surged safety valve.
Background technique
Safety valve is mostly installed on production tree or manifold, and when work, the safe valve actuator moment keeps band pressure condition to make
Valve keeps standard-sized sheet.The pressure source of driver comes from well site control system, once down-hole pressure occurs to increase extremely to be more than safety
When valve sets pressure, toucher pressure release is closed, and closes safety valve rapidly, is guaranteed the safety of pipeline, equipment and the person, is avoided making
Occur at accident.
In the prior art, the drive that safety valve often uses single-acting fluid cylinder to suppress valve opening, fluid cylinder pressure release spring reset closes valve
The function of flowing mode realization valve opening and closing.However as the passage of time, safety valve is in as normally opened valve, hydraulic cylinder moment
It suppresses and works under valve opening state.The risk that sealing ring in fluid cylinder has gradually aging to lose sealing effect, and spring is protected for a long time
The reduction length under maximum working load is held, part plastic deformation can be generated and lose screen resilience, valve can not be completely closed by existing
The hidden danger of door.The drive part of safety valve just needs periodically to remove carry out Maintenance and Repair at this time, and production work during this is caused to stop
Only, huge economic loss is caused.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of Novel hydraulic safety valve, meets and drives liquid in safety valve
Cylinder and spring are also able to maintain valve opening state when safeguarding replacement and maintain production.
A kind of Novel hydraulic safety valve includes: valve module, manual actuation component；
The valve module includes: valve body, valve deck, valve rod, pedestal, pressure cap；
The fixed valve deck in the top of the valve body, the top of valve deck is embedded in pressure cap, and pedestal is arranged in the outside at the top of valve deck；
Valve rod first end is arranged in valve inner, and second end sequentially passes through valve deck, pressure cap；
The manual actuation component includes: location nut, sheath, lead screw, handwheel；
When valve module is shown in a fully open operation, valve rod second end screws on location nut, and location nut is made to contact pressure cap；
The sheath setting is at the top of the base；
Lead screw is arranged inside sheath with thread forms, and the outside of sheath is arranged in its second end, and connect with handwheel；
With the rotation of handwheel, lead screw is moved axially in the inside of sheath, and the second end in contact of valve rod and is compressed, until
Until location nut is contacted with pressure cap, to realize the clear way valve state of valve module.
Preferably, the manual actuation component also includes set lever, and the top of sheath is arranged in, to lock lead screw.
Preferably, the valve inner also includes:
Two valve seats, are mounted on body cavity two sides；
Valve plate is clipped between two valve seats, and top and the first end of the valve rod are fixed；
The valve module standard-sized sheet when the hole of valve body, valve seat, valve plate is aligned perforation.
Preferably, the top of the pedestal is equipped with screw hole, and blending bolt comes fixed sheath and pedestal.
Preferably, setting surges driving assembly to replace the manual actuation component at the top of valve module；
The driving assembly that surges includes: spring, stops down bar, spring stop, piston, fluid cylinder, sealing ring at sleeve；
The lower end of the sleeve is fixed at the top of the base, and the two sides in it are equipped with spring, spring be placed on pedestal it
On；
The bottom for stopping bar down is spun in the second end of valve rod, and spring stop connect and is arranged on spring with lower only bar；
Sleeve upper end connects fluid cylinder and piston, and piston is arranged on the spring stop；
Wherein, sealing ring is arranged between fluid cylinder and piston interface；
When valve module valve opening, is suppressed in fluid cylinder and push piston, spring stop, stop bar, valve rod, valve plate arrival valve opening down
Position；
When valve module closes valve, pressure release in fluid cylinder, under the elastic force effect of spring, valve rod, valve plate return to valve position.
Preferably, the lateral wall of the pedestal is equipped with screw thread, is connect with the bottom of the sleeve with being screwed.
The utility model meets drives fluid cylinder and spring to be also able to maintain valve opening state maintenance when safeguarding replacement in safety valve
Production.
Detailed description of the invention
Fig. 1 is the valve module schematic diagram of the utility model safety valve；
Fig. 2 is that the valve module of the utility model safety valve connects the driving assembly schematic diagram that surges；
Fig. 3 is that the valve module of the utility model safety valve connects manual actuation component diagram.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
The utility model is described in more detail with reference to the drawings and specific embodiments in face, but limitation is not originally practical in any way
Novel range.
The utility model safety valve includes three parts: valve module, the driving assembly that surges, manual actuation component.
As shown in Fig. 1, the valve module part of safety valve includes valve body (1), valve plate (2), valve seat (3), valve deck (4), valve
Bar (5), pedestal (6), pressure cap (7).Two valve seats (3) are mounted on valve body (1) inner cavity two sides, and valve plate (2) is clipped in two valve seats (3)
Between, valve rod (5) connects together with valve plate (2).Pressure cap (7) and pedestal (6), the outside of pedestal (6) are screwed at the top of valve deck (4)
It can connect the driving assembly that surges equipped with screw thread, pedestal (6) upper surface, which is equipped with screw hole, can connect manual actuation component.
As shown in Fig. 2, valve module connects the driving assembly that surges in daily well site production process, puts on pedestal (6)
Spring (8) are set, lower only bar (10) are spun on valve rod (5), and spring stop (11) is connect with lower only bar (10) and seat is in spring (8)
On, sleeve (9) lower end is spun on the screw thread of pedestal (6) outer circle, and sleeve (9) upper end connects fluid cylinder (13) and piston (12).It needs
When valve opening, is suppressed in fluid cylinder (13) and piston (12), valve rod (5), valve plate (2) is pushed to reach valve opening position；When needing to close valve, liquid
Cylinder (13) interior pressure release, under the elastic force effect of spring (8), valve rod (5), valve plate (2) return to valve position.Since safety valve is in length
Phase is in suppress and work under valve opening state, and sealing ring (14) bears Fluid pressure, spring (8) for a long time and bears maximum functional load for a long time
Lotus will continue to produce at this time so needing periodically to remove surge drive part replacement sealing ring (14) and maintenance spring (8)
It just needs that manual actuation component is installed.
As shown in Fig. 3, the manual actuation component includes: location nut (15), sheath (16), lead screw (17), handwheel
(19)；Location nut (15) are screwed on the designated position on valve rod (5) head, when being against location nut (15) on pressure cap (7)
Valve rod (5), valve plate (2) are in valve opening position.Lead screw (17) is screwed in from sheath (16) lower part, then sheath (16) is together with lead screw
(17) seat is tightened on pedestal (6) and with the mode of flanged joint with bolt.It is filled in the upper end that lead screw (17) pass through sheath (16)
Upper set lever (18) and handwheel (19) need rotation handwheel (19) when valve opening that lead screw (17) is driven to push valve rod (5), and arrival is opened
Set lever (18) are screwed when valve position and lock lead screw (17), avoid moving up valve plate (2) not due to valve body (1) fluid pressure
It can standard-sized sheet valve.Manual actuation component is removed after driving assembly maintenance to be surged, the driving assembly that surges is loaded onto and suppresses valve opening
Maintain normal production.
It is discussed in detail although the content of the utility model has passed through above-mentioned preferred embodiment, but it should be appreciated that above-mentioned
Description be not considered as the limitation of the utility model.After those skilled in the art have read above content, for this reality
It all will be apparent with novel a variety of modifications and substitutions.Therefore, the protection scope of the utility model should be by appended power
Benefit requires to limit.
Claims (6)
1. a kind of Novel hydraulic safety valve is, characterized by comprising: valve module, manual actuation component；
The valve module includes: valve body (1), valve deck (4), valve rod (5), pedestal (6), pressure cap (7)；
The top of the valve body (1) is fixed valve deck (4), and the top of valve deck (4) is embedded in pressure cap (7), and outer at the top of valve deck (4)
Pedestal (6) are arranged in side；
The setting of valve rod (5) first end is internal in valve body (1), and second end sequentially passes through valve deck (4), pressure cap (7)；
The manual actuation component includes: location nut (15), sheath (16), lead screw (17), handwheel (19)；
When valve module is shown in a fully open operation, valve rod (5) second end screws on location nut (15), and contacts location nut (15)
Pressure cap (7)；
Top of sheath (16) setting in pedestal (6)；
Lead screw (17) is arranged with thread forms in sheath (16) inside, and its second end is arranged in the outside of sheath (16), and with
Handwheel (19) connection；
With the rotation of handwheel (19), lead screw (17) is moved axially in the inside of sheath (16), the second end in contact with valve rod (5)
And compress, until location nut (15) and pressure cap (7) contact.
2. a kind of Novel hydraulic safety valve as described in claim 1, which is characterized in that the manual actuation component also includes lock
Tight handle (18), is arranged at the top of sheath (16), to lock lead screw (17).
3. a kind of Novel hydraulic safety valve as described in claim 1, which is characterized in that also include inside the valve body (1):
Two valve seats (3) are mounted on valve body (1) inner cavity two sides；
Valve plate (2) is clipped between two valve seats (3), and top and the first end of the valve rod (5) are fixed；
The valve module standard-sized sheet when the hole of valve body, valve seat, valve plate is aligned perforation.
4. a kind of Novel hydraulic safety valve as described in claim 1, which is characterized in that the top of the pedestal (6) is equipped with spiral shell
Hole, blending bolt come fixed sheath (16) and pedestal (6).
5. a kind of Novel hydraulic safety valve as claimed in claim 3, which is characterized in that driving group of surging is arranged at the top of valve module
Part replaces the manual actuation component；
The driving assembly that surges includes: spring (8), stops down bar (10), spring stop (11), piston (12), liquid at sleeve (9)
Cylinder (13), sealing ring (14)；
The lower end of the sleeve (9) is fixed on the top of pedestal (6), and the two sides in it are equipped with spring (8), and spring (8) is put
On pedestal (6)；
Only the bottom of bar (10) is spun in the second end of valve rod (5) down, and spring stop (11) connect and sets with lower only bar (10)
It sets on spring (8)；
Sleeve (9) upper end connects fluid cylinder (13) and piston (12), and piston (12) is arranged on the spring stop (11)；
Wherein, sealing ring (14) is arranged between fluid cylinder (13) and piston (12) contact surface；
When valve module valve opening, is suppressed in fluid cylinder (13) and push piston (12), spring stop (11), stop bar (10), valve rod down
(5), valve plate (2) reaches valve opening position；
When valve module closes valve, fluid cylinder (13) interior pressure release, under the elastic force effect of spring (8), valve rod (5), valve plate (2) return to pass
Valve position.
6. a kind of Novel hydraulic safety valve as claimed in claim 5, which is characterized in that the lateral wall of the pedestal (6) is equipped with
Screw thread is connect with the bottom of the sleeve (9) with being screwed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822060480.7U CN209294489U (en) | 2018-12-10 | 2018-12-10 | A kind of Novel hydraulic safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822060480.7U CN209294489U (en) | 2018-12-10 | 2018-12-10 | A kind of Novel hydraulic safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209294489U true CN209294489U (en) | 2019-08-23 |
Family
ID=67657910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822060480.7U Active CN209294489U (en) | 2018-12-10 | 2018-12-10 | A kind of Novel hydraulic safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209294489U (en) |
-
2018
- 2018-12-10 CN CN201822060480.7U patent/CN209294489U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20230530 Granted publication date: 20190823 |