CN201258991Y - Regulating plunger type arc tooth form throttle valve - Google Patents
Regulating plunger type arc tooth form throttle valve Download PDFInfo
- Publication number
- CN201258991Y CN201258991Y CN 200820151008 CN200820151008U CN201258991Y CN 201258991 Y CN201258991 Y CN 201258991Y CN 200820151008 CN200820151008 CN 200820151008 CN 200820151008 U CN200820151008 U CN 200820151008U CN 201258991 Y CN201258991 Y CN 201258991Y
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- China
- Prior art keywords
- valve
- rod
- valve body
- valve rod
- tooth shape
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- Expired - Fee Related
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Abstract
The utility model relates to an adjustable plunger piston arc profile throttle valve which comprises a valve body, a valve rod, and a valve cover. The valve rod is arranged at one end of the valve body by the valve cover; a handwheel is arranged at the top end of the valve rod by the protection sleeve of the valve rod; a valve cap is arranged on the valve cover by a thrust moment cylindrical roller bearing; an opening indicating dial is arranged at the top part of the valve body; the utility model is characterized in that the combination of a three lip valve rod packing and a 'V'-shaped packing is arranged between the valve rod and the valve cover; a seal steel ring is arranged between the valve body and the valve cover; the middle part of the valve body is provided with a valve seat by a rectangle seal ring; the lower end of the valve body is provided with a rectifying sleeve provided with an 'O'-shaped ring; and one side of the valve body is provided with a relief valve. The utility model has the advantages of being ideally suitable for high pressure oil (gas) extraction trees and throttling/ kill manifolds, having stable flux and improving the service life of the throttle valve.
Description
Technical field
The utility model relates to a kind of regulating plunger formula curved tooth shape throttle valve, and can be used for recovering the oil (gas) tree and throttling/kill manifold belong to valve technology field.
Background technique
In the throttle valve that uses at present, mainly contain needle regulator, plunger type throttle valve, wedge shape throttle valve by textural classification.Wherein needle regulator is the aciculiform valve rod, can not be used for high pressure conditions, and valve rod produces shake under high pressure conditions; The plunger type throttle valve can not be used for wellhead assembly, and restriction effect is bad, and wedge shape throttle flow rate instability has souring to outlet end runner hole wall, reduces lining working life.
Summary of the invention
The purpose of this utility model provides and a kind ofly can be used for high pressure conditions, alleviates the shake of valve rod under pressurized gas impact, and stability of flow, reduces the washing away of outlet end runner hole wall, and prolongs the lining regulating plunger formula curved tooth shape throttle valve in working life.
For realizing above purpose, the technical solution of the utility model provides a kind of regulating plunger formula curved tooth shape throttle valve, comprise valve body, valve rod, valve gap, valve rod is located at a end at valve body by valve gap, handwheel is located at the top of valve rod by valve guard, bonnet is located on the valve gap by the moment of thrust roller bearing, the aperture indicator panel is located at the top of valve body, it is characterized in that, between valve rod and valve gap, be provided with the combination of three lip valve rod packings and " V " packing, be provided with sealing steel rings between valve body and the valve gap, be provided with valve seat by rectangular seal in the middle of the valve body, the valve rod lower end is provided with the supporting positive cover that " 0 " RunddichtringO is housed, and is provided with Decompression valves in valve body one side.
Described valve rod is by curved tooth shape throttling valve core,
6 elastic cylindrical pins, valve-rod body is formed, and curved tooth shape throttling valve core is passed through
6 elastic cylindrical pins are connected with valve-rod body
The utility model adopts the shaped design of unique plunger type curved tooth shape throttling valve core to make flow more stable, and washing away to drop to and support most to outlet end runner hole wall, the use that has prolonged lining is received a mandate, and adopts plunger type curved tooth shape throttling element, changes stroke by it and regulates the aperture size.
The utility model adopts the supporting positive cover structural design, can make the impact decline low jitter of valve rod at pressurized gas.
The utility model valve gap and valve body adopt metal to metal seal, and metallic seal can guarantee long-term intact airtight quality, and sealing steel rings adopts the stainless steel manufacturing of 300 series, and its unique appearance structural design can make sealing steel rings reuse repeatedly.
The sealing of the utility model valve rod and valve gap adopts the lip packing to add the combination of " V " packing, and its material is the 777PTFE+Eigloy elastic skeleton, and this lip packing maximum can be born the pressure of 20000Psi, can be low temperature resistant-120 ℃, and high temperature resistant 288 ℃.
The valve rod back seat of the utility model metal to metal seal provides maximum safety guarantee under valve rod packing leakage situation, when packing leakage or grease fitting damage, allow valve body holding replacing packing and grease fitting under the situation of pressure.
The utility model has the advantages that: can be ideally suited in high pressure and use, prolong the working life of lining, and adopt the structural design of nonrubber sealing, can improve the working life of throttle valve, simple in addition structural design is that care and maintenance offers convenience, save cost, just can change any component, minimum maintenance cost at the scene, oil field.
Description of drawings
Fig. 1 is a regulating plunger formula curved tooth shape throttle valve structural representation;
Fig. 2 is the stem structure schematic representation;
Fig. 3 is a curved tooth shape throttling valve core end schematic representation.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Embodiment
As shown in Figure 1, be regulating plunger formula curved tooth shape throttle valve structural representation, described regulating plunger formula curved tooth shape throttle valve is made up of valve body 1, rectangular seal 2, valve seat 3, supporting positive cover 4, Decompression valves 5, " O " RunddichtringO 6, sealing steel rings 7, valve rod 8, three lip valve rod packings 9, " V " packing 10, valve gap 11, moment of thrust roller bearing 12, handwheel 13, valve guard 14, aperture indicator panel 15 and bonnet 16.
Adopt high abrasion resisting material to make regulating plunger formula curved tooth shape throttling valve core, valve rod 8 is located at a end at valve body 1 by valve gap 11, handwheel 13 is located at the top of valve rod 8 by valve guard 14, bonnet 16 is located on the valve gap 11 by moment of thrust roller bearing 12, aperture indicator panel 15 is located on the handwheel 13, between valve rod 8 and valve gap 11, be provided with three lip valve rod packings 9 and 10 combinations of " V " packing, be provided with sealing steel rings 7 between valve body 1 and the valve gap 11, be provided with valve seat 3 by rectangular seal 2 in the middle of the valve body 1, valve rod 8 lower ends are provided with the supporting positive cover 4 that " O " RunddichtringO 6 is housed, and are provided with Decompression valves 5 in valve body 1 one sides.
As shown in Figure 2, be the stem structure schematic representation, described valve rod 8 is by curved tooth shape throttling valve core 17,
6 elastic cylindrical pins 18, valve-rod body 19 is formed, and curved tooth shape throttling valve core 17 is passed through
6 elastic cylindrical pins 18 are connected with valve-rod body 19.
As shown in Figure 3, be curved tooth shape throttling valve core end schematic representation, curved tooth shape throttling valve core 17 ports are provided with 4 curved tooth connected in stars 20 of symmetry.
Important technological parameters of the present utility model is:
1. model and title: " SK " regulating plunger formula curved tooth shape throttle valve
2. inside nominal diameter: 1 13/16 "～4 1/16 "
3. working pressure: 2000Psi～15000Psi
4. working stroke: 70mm
5. aperture: 1 ", 1 1/2 ", 2 ", 2 1/2 "
6. MAT'L specification rank: AA, BB, CC, DD, EE, FF
7. operating temperature: K, L, P, R, S, T, U
8. manufacturing standard rank: PSL 1, PSL 2, PSL 3
9. performance class: PR 1, PR 2
10. product standard: API.SPEC 6A.API.SPEC 16C
11. working medium: oil, rock gas
12. connection pattern: flange, screw thread, union (1502,602)
13. operation pattern: manually
During work: handwheel 13 dextrorotation, valve rod 8 descends, and aperture diminishes, handwheel 13 is left-handed, and valve rod 8 rises, and aperture increases, the big I of aperture is observed by indicator of opening 15, show the whole process of stroke from " minimum " to " maximum " position with indicator of opening 15, can observe the size that aperture changes very intuitively, the big more flow of aperture is big more, aperture small flow more is more little, after Flow-rate adjustment is good, screw fastening nail, get final product regime flow.Scale numerical value on the aperture direction board 15 is represented the equivalent diameter of a circle, and unit is a millimeter.
Claims (2)
1. regulating plunger formula curved tooth shape throttle valve, comprise valve body (1), valve rod (8), valve gap (11), valve rod (8) is located at a end at valve body (1) by valve gap (11), handwheel (13) is located at the top of valve rod (8) by valve guard (14), bonnet (16) is located on the valve gap (11) by moment of thrust roller bearing (12), aperture indicator panel (15) is located at the top of valve body (1), it is characterized in that, between valve rod (8) and valve gap (11), be provided with the combination of three lip valve rod packings (9) and " V " packing (10), be provided with sealing steel rings (7) between valve body (1) and the valve gap (11), be provided with valve seat (3) by rectangular seal (2) in the middle of the valve body (1), valve rod (8) lower end is provided with the supporting positive cover (4) that " O " RunddichtringO (6) is housed, and is provided with Decompression valves (5) in valve body (1) one side.
2. regulating plunger formula curved tooth shape throttle valve according to claim 1 is characterized in that, described valve rod (8) is by curved tooth shape throttling valve core (17),
Elastic cylindrical pin (18), valve-rod body (19) is formed, and curved tooth shape throttling valve core (17) is passed through
Elastic cylindrical pin (18) is connected with valve-rod body (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820151008 CN201258991Y (en) | 2008-07-18 | 2008-07-18 | Regulating plunger type arc tooth form throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820151008 CN201258991Y (en) | 2008-07-18 | 2008-07-18 | Regulating plunger type arc tooth form throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201258991Y true CN201258991Y (en) | 2009-06-17 |
Family
ID=40773225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200820151008 Expired - Fee Related CN201258991Y (en) | 2008-07-18 | 2008-07-18 | Regulating plunger type arc tooth form throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201258991Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111094818A (en) * | 2017-07-31 | 2020-05-01 | 株式会社富士金 | Valve gate |
-
2008
- 2008-07-18 CN CN 200820151008 patent/CN201258991Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111094818A (en) * | 2017-07-31 | 2020-05-01 | 株式会社富士金 | Valve gate |
| JPWO2019026814A1 (en) * | 2017-07-31 | 2020-07-27 | 株式会社フジキン | valve |
| US11326742B2 (en) | 2017-07-31 | 2022-05-10 | Fujikin Incorporated | Valve |
| JP7093974B2 (en) | 2017-07-31 | 2022-07-01 | 株式会社フジキン | valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20130718 |