CN203130038U - 20000 psi cage-type throttle valve - Google Patents
20000 psi cage-type throttle valve Download PDFInfo
- Publication number
- CN203130038U CN203130038U CN 201320140448 CN201320140448U CN203130038U CN 203130038 U CN203130038 U CN 203130038U CN 201320140448 CN201320140448 CN 201320140448 CN 201320140448 U CN201320140448 U CN 201320140448U CN 203130038 U CN203130038 U CN 203130038U
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- China
- Prior art keywords
- valve
- spool
- 20000psi
- shell type
- valve rod
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- Withdrawn - After Issue
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Abstract
The utility model provides a 20000 psi cage-type throttle valve. The 20000 psi cage-type throttle valve comprises a valve body, a valve seat, a valve rod, a valve core, a valve cover, a bearing, a valve rod nut and a handwheel, wherein the valve seat is mounted on a fluid flow passage of the valve body; the lower end of the valve core extends into and fixed in the valve seat, and the upper end extends to the bottom of the valve rod; the bearing is arranged at the upper end of the valve cover; one end of the valve rod nut extends out of the bearing to be connected with the handwheel, and the other end of the valve rod nut is connected to the bearing; the upper end of the valve rod sequentially passes through the valve body and the valve cover and extends into the valve rod nut; a tungsten carbide hard alloy inner bushing sleeved with the valve core is arranged at the bottom of the valve rod; an upper gasket, an upper sealing ring, an upper check ring, a lower gasket, a lower sealing ring and a lower check ring are sequentially arranged in the valve cover from the to down; and a metallic seal ring and a T-shaped seal ring are further sequentially arranged between the valve seat and the valve body from the top down. The 20000 psi cage-type throttle valve can work under the 20000 psi high-pressure working condition, and compared with the prior art, has the advantages that the service life is long, the flow rate is accurately controllable, the working noise is low, the vibration is small and the head part of the valve rod has low probability of damage.
Description
Technical field
The utility model relates to a kind of choke valve, especially relates to a kind of cage shell type choke valve that can work under the high pressure operating mode of 20000psi.
Background technology
Cage shell type choke valve is a kind of as choke valve, and when being oil exploitation, requisite a kind of valve in production tree generally is used for the petroleum works of operating mode more complicated.But cage shell type choke valve in the market, operating pressure is lower, and structure is comparatively simple, can not satisfy complicated working condition requirement at all.
Mainly there is following defective in the choke valve of prior art:
(1) owing to operating mode, the erosion of valve rod is more serious, and the application life of choke valve is shorter;
(2) can produce very big noise during valve working;
(3) valve working time vibration is bigger, and long-term vibration can cause secure component to lose efficacy, and causes danger;
(4) because the valve rod head is carbide alloy, and when valve closing, the valve rod head directly contacts with spool, cause the valve rod head to damage under the situation about clashing easily.
Summary of the invention
In order to overcome the defective of prior art, the purpose of this utility model provides and a kind ofly can work under the high pressure operating mode of 20000psi, long service life, flow are accurately controlled, work noise is low, the little and non-damageable cage shell type of the valve rod head choke valve of vibration.
In order to achieve the above object, the utility model provides a kind of 20000psi cage shell type choke valve, it comprises valve body, valve seat, valve rod, spool, valve gap, bearing, valve stem nut, handwheel, valve seat is installed on the fluid passage of valve body, the lower end of spool is stretched into and is fixed in the valve seat, and stem bottom is stretched in its upper end; Bearing is arranged at the upper end of valve gap, and an end of valve stem nut stretches out bearing and links to each other with handwheel, and the other end is connected on the bearing; The upper end of valve rod is passed valve body and valve gap successively and is stretched in the valve stem nut; It is characterized in that: stem bottom is provided with the Talide neck bush with the spool socket; Be provided with Upper gasket, upper sealing ring in the valve gap from top to bottom successively, go up back-up ring, lower gasket, lower sealing ring and following back-up ring; Also be provided with metallic packing ring and T RunddichtringO between valve seat and the valve body from top to bottom successively.
Preferably, the position of the carbide alloy neck bush of the corresponding described stem bottom in the upper end of described valve seat is provided with the buffering locating ring.
Preferably, spool comprises epimere spool and hypomere spool, and the hypomere spool all is fixed in the valve seat, and the bottom of epimere spool is fixed in the valve seat, and the bottom of valve rod is stretched on the top of epimere spool, and the top of epimere spool is provided with the throttle orifice of shape distribution in the shape of a spiral.More preferably, the inner surface of described spool studs with the Talide layer.More preferably, the aperture is gradually little from top to bottom for described throttle orifice.
Preferably, described valve gap upper end also is provided with gland, is provided with O type circle between the medial surface of gland and the external surface of valve stem nut, also is provided with O type circle between the lower surface of gland and the upper surface of valve gap.
Preferably, the side of described valve gap also is provided with the holding screw for the locking valve rod, also is provided with anti-rotoplug on the described holding screw.
Preferably, described side of valve body also is provided with the relief hole that communicates with fluid passage in the valve body, and plug is installed on the relief hole.
Preferably, be provided with middle flange seal ring between described valve gap and the valve body.
Preferably, the top of described screw rod also is provided with in order to indicate the indicating dial of throttling precision.
Having the following advantages of the utility model 20000psi cage shell type choke valve:
(1) valve gap and valve body directly are tightly connected, and the structure of valve inner is compacter, have reduced noise to the full extent;
(2) upper sealing ring in the valve gap can prevent that medium from flowing in the valve stem nut, produces and reveal;
(3) lower sealing ring in the valve gap plays the effect of sealing and stable valve rod; Valve seat seals with nonmetal sealing by metal between valve body, and sealing performance is better;
(4) the buffering locating ring on the valve seat can be avoided because clashing, and makes the valve rod neck bush damage;
(5) spool is made up of two sections, the accurately throttling of epimere spool, and hypomere spool erosive wear resistance is better, can increase the service life, and the epimere spool does not need whole spool all to change when damaging yet.
Based on above-mentioned advantage, the utility model 20000psi cage shell type choke valve can be operated under the high pressure operating mode of 20000psi, and compared to prior art, the utility model long service life, flow are accurately controlled, work noise is low, the vibration is little and the valve rod head is difficult for damaging.
Description of drawings
Fig. 1 is the structural representation of the utility model 20000psi cage shell type choke valve.
Fig. 2 is spool and the valve seat construction schematic diagram of the utility model 20000psi cage shell type choke valve.
Fig. 3 is the structural representation of the valve rod of the utility model 20000psi cage shell type choke valve.
In the accompanying drawing: 1, valve body; 2, valve seat; 3, metallic packing ring; 4, Talide neck bush; 5, middle flange seal ring; 6, nut; 7, double-screw bolt; 8, bearing; 9, anti-rotoplug; 10, holding screw; 11, valve stem nut; 12, O type circle; 13, gland; 14, O type circle; 15, key; 16, screw; 17, handwheel; 18, indicating dial; 19, O type circle; 20, screw; 21, Upper gasket; 22, upper sealing ring; 23, valve gap; 24, go up back-up ring; 25, lower gasket; 26, lower sealing ring; 27, plug; 28, following back-up ring; 29, valve rod; 30, spool; 301, epimere spool; 302, hypomere spool.
The specific embodiment
Below in conjunction with accompanying drawing the utility model preferred embodiment is elaborated.
See also Fig. 1 to Fig. 3, the utility model provides a kind of 20000psi cage shell type choke valve, it comprises valve body 1, valve seat 2, valve rod 29, spool 30, valve gap 23, bearing 8, valve stem nut 11, handwheel 17, valve seat 2 is installed on the fluid passage of valve body 1, the lower end of spool 30 is stretched into and is fixed in the valve seat 2, and valve rod 29 bottoms are stretched in its upper end; Bearing 8 is arranged at the upper end of valve gap 23, and an end of valve stem nut 11 stretches out bearing 8 and links to each other with handwheel 17, and the other end is connected on the bearing 8; The upper end of valve rod 29 is passed valve body 1 and valve gap 23 successively and is stretched in the valve stem nut 11; Valve rod 29 bottoms are provided with the Talide neck bush 4 with spool 30 sockets; Be provided with Upper gasket 21, upper sealing ring 22 in the valve gap 23 from top to bottom successively, go up back-up ring 24, lower gasket 25, lower sealing ring 26 and following back-up ring 28; Also be provided with metallic packing ring 3 and T RunddichtringO 31 between valve seat 2 and the valve body 1 from top to bottom successively.
The position of the carbide alloy neck bush 4 of corresponding described valve rod 29 bottoms, the upper end of described valve seat 2 is provided with buffering locating ring 32.Described spool 30 comprises epimere spool 301 and hypomere spool 302, hypomere spool 302 all is fixed in the valve seat 2, the bottom of epimere spool 301 is fixed in the valve seat 2, and the bottom of valve rod 29 is stretched on the top of epimere spool 301, and the top of epimere spool 301 is provided with the throttle orifice 303 of shape distribution in the shape of a spiral.The inner surface of described spool 30 studs with the Talide layer.The aperture is gradually little from top to bottom for described throttle orifice 303.
Described valve gap 23 upper ends also are provided with gland 13, are provided with O type circle 14 between the medial surface of gland 13 and the external surface of valve stem nut, also are provided with O type circle 12 between the upper surface of the lower surface of gland 13 and valve gap 23.The side of described valve gap 23 also is provided with the holding screw 10 for locking valve rod 29.Also be provided with anti-rotoplug 9 on the described holding screw 10.
The side of described valve body 1 also is provided with the relief hole that communicates with fluid passage in the valve body 1, and plug 27 is installed in the hole.Flange seal ring 5 in being provided with between described valve gap 23 and the valve body 1.
The top of described screw rod 29 also is provided with the indicating dial 18 in order to indicate the throttling precision.
The utility model operating principle is: when valve working, medium is entered in the chamber of valve body 1 by the passage on the left side, and when valve was in fully open position, medium can flow out from the lower exit passage by the throttle orifice 303 of upper valve core section 301; When the needs throttling, drive valve rod 29 liftings by rotating handwheel 17, thereby change the area of throttle orifice 303, thereby reach the purpose of throttling; On the indicating dial 18 at valve rod 29 tops, be carved with the scale that shows the throttling precision, and at valve gap 23 holding screw 10 is housed, when rotation handwheel 17, when reaching the throttling precision of appointment by the scale on the observation indicating dial 10, locking holding screw 10 prevents that valve rod 29 is loosening and influences the throttling precision.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this; can not limit protection domain of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (10)
1. 20000psi cage shell type choke valve, it comprises valve body, valve seat, valve rod, spool, valve gap, bearing, valve stem nut, handwheel, valve seat is installed on the fluid passage of valve body, and the lower end of spool is stretched into and is fixed in the valve seat, and stem bottom is stretched in its upper end; Bearing is arranged at the upper end of valve gap, and an end of valve stem nut stretches out bearing and links to each other with handwheel, and the other end is connected on the bearing; The upper end of valve rod is passed valve body and valve gap successively and is stretched in the valve stem nut; It is characterized in that: stem bottom is provided with the Talide neck bush with the spool socket; Be provided with Upper gasket, upper sealing ring in the valve gap from top to bottom successively, go up back-up ring, lower gasket, lower sealing ring and following back-up ring; Also be provided with metallic packing ring and T RunddichtringO between valve seat and the valve body from top to bottom successively.
2. a kind of 20000psi cage shell type choke valve according to claim 1 is characterized in that: the position of the carbide alloy neck bush of the corresponding described stem bottom in the upper end of described valve seat is provided with the buffering locating ring.
3. a kind of 20000psi cage shell type choke valve according to claim 1, it is characterized in that: described spool comprises epimere spool and hypomere spool, the hypomere spool all is fixed in the valve seat, the bottom of epimere spool is fixed in the valve seat, the bottom of valve rod is stretched on the top of epimere spool, and the top of epimere spool is provided with the throttle orifice of shape distribution in the shape of a spiral.
4. a kind of 20000psi cage shell type choke valve according to claim 3, it is characterized in that: more preferably, the inner surface of described spool studs with the Talide layer.
5. a kind of 20000psi cage shell type choke valve according to claim 3, it is characterized in that: described throttle orifice aperture from top to bottom is gradually little.
6. a kind of 20000psi cage shell type choke valve according to claim 1, it is characterized in that: described valve gap upper end also is provided with gland, be provided with O type circle between the medial surface of gland and the external surface of valve stem nut, also be provided with O type circle between the lower surface of gland and the upper surface of valve gap.
7. a kind of 20000psi cage shell type choke valve according to claim 1 is characterized in that: the side of described valve gap also is provided with the holding screw for the locking valve rod, also is provided with anti-rotoplug on the described holding screw.
8. a kind of 20000psi cage shell type choke valve according to claim 1 is characterized in that: described side of valve body also is provided with the relief hole that communicates with fluid passage in the valve body, and plug is installed on the relief hole.
9. a kind of 20000psi cage shell type choke valve according to claim 1 is characterized in that: flange seal ring in being provided with between described valve gap and the valve body.
10. a kind of 20000psi cage shell type choke valve according to claim 1, it is characterized in that: the top of described screw rod also is provided with in order to indicate the indicating dial of throttling precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140448 CN203130038U (en) | 2013-03-26 | 2013-03-26 | 20000 psi cage-type throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320140448 CN203130038U (en) | 2013-03-26 | 2013-03-26 | 20000 psi cage-type throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203130038U true CN203130038U (en) | 2013-08-14 |
Family
ID=48938029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320140448 Withdrawn - After Issue CN203130038U (en) | 2013-03-26 | 2013-03-26 | 20000 psi cage-type throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203130038U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147718A (en) * | 2013-03-26 | 2013-06-12 | 纽威石油设备（苏州）有限公司 | 20000 psi cage type throttle valve |
| CN108107921A (en) * | 2016-11-25 | 2018-06-01 | 株式会社堀场Stec | Runner forms structure, flow rate-measuring device and volume control device |
-
2013
- 2013-03-26 CN CN 201320140448 patent/CN203130038U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103147718A (en) * | 2013-03-26 | 2013-06-12 | 纽威石油设备（苏州）有限公司 | 20000 psi cage type throttle valve |
| CN103147718B (en) * | 2013-03-26 | 2015-08-12 | 纽威石油设备（苏州）有限公司 | 20000psi cage type throttling valve |
| CN108107921A (en) * | 2016-11-25 | 2018-06-01 | 株式会社堀场Stec | Runner forms structure, flow rate-measuring device and volume control device |
| CN108107921B (en) * | 2016-11-25 | 2022-03-29 | 株式会社堀场Stec | Flow channel forming structure, flow rate measuring device, and flow rate control device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130814 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |