CN205260917U - High -temperature high -pressure ball valve - Google Patents
High -temperature high -pressure ball valve Download PDFInfo
- Publication number
- CN205260917U CN205260917U CN201521075095.XU CN201521075095U CN205260917U CN 205260917 U CN205260917 U CN 205260917U CN 201521075095 U CN201521075095 U CN 201521075095U CN 205260917 U CN205260917 U CN 205260917U
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- valve
- ball
- mouth
- disk seat
- temp
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Abstract
The utility model discloses a high -temperature high -pressure ball valve, including the valve body, be equipped with the disk seat hole in the valve body, be equipped with the compensatory spring in proper order outside to in the downthehole follow of disk seat, go up the disk seat, valve ball, time disk seat, plug screw, the plug screw will descend disk seat, valve ball, go up the disk seat, the pressure equipment of compensatory spring is downthehole at the disk seat, also is provided with the connecting rod and links to each other with the valve ball in the valve body, is provided with axial A mouth and axial B mouth in the both ends both sides of valve body symmetry, is provided with axial P mouth on the plug screw, be provided with radial hole and axially extending bore under on the disk seat, radial hole's both ends communicate A mouth and B mouth respectively, axially extending bore intercommunication P mouth is equipped with L type hydraulic fluid port in the valve ball to it is corresponding with the radial hole and the axially extending bore of lower disk seat, constitute two three -way valves. The utility model discloses small, compact structure, it is little to take installation space, and sealed reliable, is applicable to, drives under the oil, natural gas well high temperature high pressure occasions such as the system of adopting, power plant.
Description
Technical field
The utility model relates to the HTHP such as nuclear power station, oil-gas mining field valve used, a kind of HTHP of specific designBall valve.
Background technology
At nuclear power station, the fields such as oil extraction, mining industry, except adapting to the working environment of thermal extremes high pressure, its installationSpace is often limited. Therefore control valve is had higher requirement, not only wanting under the working environment of HTHP, to realize canBy sealing, also need less apparent size, installing space is little, and structure is compacter, takies less installing space.
Ball valve comes interflow, the shunting of flexible control medium and the switching flowing to by spherical valve core. Because ball valve self is goodSealing property (ball face sealing form can realize sealing completely), advantages of simple structure and simple, ball valve is applied very at each industrial circleExtensively. In high temperature high pressure valve both domestic and external, 83 series of Lip river as big in generation gram (Swagelok) and H83 is serial andHOKE76 series waits high temperature high pressure valve, and many employings are arranged symmetrically with 2 groups of butterfly spring groups and carry out temperature, pressure and wearing and tearing benefitRepay, profile mostly is square structure, and appearance and size is larger, and hydraulic fluid port is arranged not at same end face, is unfavorable for that pipeline is installed integrated,Need to take larger installing space.
Utility model content
Technical problem to be solved in the utility model is that the deficiency existing for above-mentioned prior art provides a kind of little, knot of installingStructure compactness, seal reliable high-temp and-pressure ball valve.
The technical scheme that the utility model adopts is: a kind of high-temp and-pressure ball valve, it is characterized in that, and comprise cylindrical valve body,In valve body, be provided with valve seat orifice, in valve seat orifice, be provided with successively from the inside to the outside compensatory spring, upper valve base, valve ball, lower valve base, spiral shellPlug, described valve ball matches with upper valve base and lower valve base respectively by ball-and-socket face, and described plug screw is by lower valve base, valve ball, upper valveSeat, compensatory pressure mounting of the spring, in valve seat orifice, are also provided with connecting rod and are connected with valve ball, in the both sides, two ends of valve body in valve bodyBe symmetrically arranged with axial A mouth and axial B mouth, on plug screw, be provided with axial P mouth, on lower valve base, be provided with radial direction through hole andAxially extending bore, the two ends of described radial direction through hole are communicated with respectively A mouth and B mouth, and described axially extending bore is communicated with P mouth, in valve ballBe provided with L-type hydraulic fluid port, and corresponding with radial direction through hole and the axially extending bore of lower valve base, form two-position three-way valve.
By technique scheme, described upper valve base and lower valve base arrange by sealing ring and valve seat orifice sealing respectively, described plug screw endFace arranges by sealing ring and lower valve base sealing.
By technique scheme, on connecting rod, be provided with 1/4 annular stop step, on valve body, be provided with 3/4 ring-shaped groove,And match with the limited step of connecting rod.
By technique scheme, described compensatory spring is butterfly spring group.
By technique scheme, on valve ball, be provided with rectangle keyway, the rectangle square toes that connecting rod front end arranges and the square key of valve ballGroove matches.
By technique scheme, dispose valve gap in the upper end of valve body, between connecting rod and valve gap, be provided with sliding bearing.
By technique scheme, described connecting rod is connected with reducing motor output shaft.
By technique scheme, described upper and lower valve seat is adopted made of plastic, and valve ball is corrosion resistant alloy ball.
By technique scheme, be provided with the inner small and outside big step of external diameter at the tail end of lower valve base, on this step and valve body, arrangeStepped hole matches.
The obtained beneficial effect of the utility model is:
1, little, the compact conformation of the utility model volume, takies installing space little, and sealing is reliable, is applicable to, oil, skySo under gas well, driving the high temperature high-voltage field such as extraction system, power plant closes.
2, the utility model is by cylindrical valve body, disposed axle is to A mouth, 2 oil-outs of B mouth, and high pressure oil inlet P mouth is establishedPut on plug screw, these 3 hydraulic fluid ports, on same end face, can facilitate the installation of pipeline, save the installing space of whole valve,Make it compacter;
3, valve seat overall structure of the present utility model adopts two-piece unit formula valve seat, is symmetrically arranged in the two ends up and down of valve ball, onThe pretightning force of lower valve base is in the same size, and can, by regulating plug screw can regulate easily the size of pretightning force, expand the work of valvePressure limit, makes it in low pressure and high-pressure system, all have leakproof integrality;
4, compensatory spring is installed between upper valve base and valve body, can carries out axial compensation to upper lower valve base and valve ball, mendRepaying measurer has the adaptivity changing with temperature, pressure, and not only can prevent that heat expansion is stuck and cannot rotate flexibly, but also canCompensate with the motion wearing and tearing to valve ball valve seat pivoting friction pair, to ensure the reliability of sealing;
What 5, valve ball adopted is corrosion resisting alloy spherical ball valve, makes it have better anti-high pressure and sealability, and valve seat adopts highIntensity engineering plastics, make sealing valve port position realize soft seal and coordinate, and seal pressure is little, can realize zero leakage sealing, and safety canLean on;
6, between connecting rod and valve gap, sliding bearing is installed, can reduces friction torque, reduce starting torque, ensuredValve moving component is the motion of flexibility and reliability under high pressure;
7,, by position limiting structure being set on connecting rod and valve body, control the rotation position of spool by the structure of valve insidePut, and without at valve outer setting position limiting structure, make its structure compacter;
8, the utility model can meet the high pressure-temperature occasion limited to installing space, and working media is high flame retardant hydraulic oil, byBe the electronic control that direct current generator drives in what adopt, can complete the automation control of oil circuit, applicability is high.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model.
Fig. 2 is functional graphical diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, 2, the present embodiment provides a kind of high-temp and-pressure ball valve, comprises that profile is cylindrical valve body 6,In valve body 6, be provided with valve seat orifice, in valve seat orifice, be provided with successively from the inside to the outside compensatory spring 9, upper valve base 8, valve ball 5, underValve seat 3, plug screw 1, described valve ball 5 matches with upper valve base 8 and lower valve base 3 respectively by ball-and-socket face, upper valve base 8 and underOn valve seat 3, be processed with respectively groove for sealing ring 7 and sealing ring 4 are installed, sealing ring 7 and sealing ring 4 coordinate with valve body 6Form static seal, described plug screw 1 is fitted in lower valve base 3, valve ball 5, upper valve base 8, compensatory spring 9 in valve seat orifice,By compensatory spring 9 is set, valve ball 5 is fixed for floating structure, can move vertically, with the ripple to pressure and tempMoving compensating. Wherein, between plug screw 1 and valve body 6, for being threaded, unscrewing or tighten plug screw 1 and just can adjust requiredInitial pretightning force, makes it reach seal pressure requirement. On the upper surface of plug screw 1, be processed with groove for sealing ring 2 is installed, closeSeal 2 coordinates formation static seal with lower valve base 3. The tail end of lower valve base 3 is provided with the inside and outside large step surface of external diameter, with valve body 6On respective step match and close position-limiting action, prevent that pretightning force is excessive, and cause, valve ball is stuck cannot rotate. In valve body, go backBe provided with connecting rod 10 and be connected with valve ball 5, the other end of described connecting rod 10 is connected with reducing motor 13 output shafts, at valveThe upper end of body disposes valve gap 11. On valve body 6, be provided with A mouth, B mouth, described A mouth and B mouth are symmetricly set on valve body6 both sides, lower end, and axially arrange, on plug screw 1, be provided with axial P mouth, on lower valve base 3, be provided with radial direction through hole andAxially extending bore, the two ends of described radial direction through hole are communicated with respectively A mouth and B mouth, and described axially extending bore is communicated with P mouth, at valve ball 5Inside be provided with L-type hydraulic fluid port, and corresponding with radial direction through hole and the axially extending bore of lower valve base 3, form two-position three-way valve.
Compensatory spring 9 in the present embodiment is butterfly spring group, compares traditional spring, the little rigidity of butterfly spring group volumeBe applicable to pressure, the temperature-compensating in micro-miniature structures greatly.
In the present embodiment, upper and lower valve seat adopts high-strength engineering plastic, and valve ball is corrosion resistant alloy ball, joins with upper lower valve base soft or hardClose, form linear sealing, be processed with at an upper portion thereof rectangle keyway and coordinate with the rectangle square toes of connecting rod 10 front ends, drive valve ball 5Carry out left rotation and right rotation and realize commutation. Connecting rod 10 is designed to asymmetric ledge structure, is provided with 1/4 annular on connecting rodLimited step, and be provided with 3/4 ring-shaped groove at the position of matching of valve body 6, when actual rotation just by connecting rod 10Rotation amplitude is controlled at ± 180 ° (rotating), between connecting rod 10 and valve gap 11, sliding bearing 12 is installed, valve gap11 with valve body 6 for being threaded, the suffered axial force of connecting rod 10 all acts on sliding bearing 12 and valve gap 11, slow downMotor 13 is not subject to responsive to axial force, to ensure the flexibility and reliability motion of valve moving component under HTHP, has reduced friction resistancePower has reduced driving torque.
Claims (9)
1. a high-temp and-pressure ball valve, it is characterized in that, comprise cylindrical valve body, in valve body, be provided with valve seat orifice, in valve seat orifice, be provided with successively from the inside to the outside compensatory spring, upper valve base, valve ball, lower valve base, plug screw, described valve ball matches with upper valve base and lower valve base respectively by ball-and-socket face, described plug screw is by lower valve base, valve ball, upper valve base, compensatory pressure mounting of the spring is in valve seat orifice, in valve body, being also provided with connecting rod is connected with valve ball, be provided with axial A mouth and axial B mouth in the two ends of valve body bilateral symmetry, on plug screw, be provided with axial P mouth, on lower valve base, be provided with radial direction through hole and axially extending bore, the two ends of described radial direction through hole are communicated with respectively A mouth and B mouth, described axially extending bore is communicated with P mouth, in valve ball, be provided with L-type hydraulic fluid port, and corresponding with radial direction through hole and the axially extending bore of lower valve base, form two-position three-way valve.
2. a kind of high-temp and-pressure ball valve according to claim 1, is characterized in that, described upper valve base and lower valve base arrange by sealing ring and valve seat orifice sealing respectively, and described screw plunger end arranges by sealing ring and lower valve base sealing.
3. a kind of high-temp and-pressure ball valve according to claim 1 and 2, is characterized in that, is provided with 1/4 annular stop step on connecting rod, is provided with 3/4 ring-shaped groove on valve body, and matches with the limited step of connecting rod.
4. a kind of high-temp and-pressure ball valve according to claim 1 and 2, is characterized in that, described compensatory spring is butterfly spring group.
5. a kind of high-temp and-pressure ball valve according to claim 1 and 2, is characterized in that, is provided with rectangle keyway on valve ball, and the rectangle square toes of connecting rod front end setting match with the rectangle keyway of valve ball.
6. a kind of high-temp and-pressure ball valve according to claim 1 and 2, is characterized in that, disposes valve gap in the upper end of valve body, between connecting rod and valve gap, is provided with sliding bearing.
7. a kind of high-temp and-pressure ball valve according to claim 1 and 2, is characterized in that, described connecting rod is connected with reducing motor output shaft.
8. a kind of high-temp and-pressure ball valve according to claim 1 and 2, is characterized in that, described upper and lower valve seat is adopted made of plastic, and valve ball is corrosion resistant alloy ball.
9. a kind of high-temp and-pressure ball valve according to claim 1 and 2, is characterized in that, is provided with the inner small and outside big step of external diameter at the tail end of lower valve base, and this step matches with the stepped hole arranging on valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075095.XU CN205260917U (en) | 2015-12-18 | 2015-12-18 | High -temperature high -pressure ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521075095.XU CN205260917U (en) | 2015-12-18 | 2015-12-18 | High -temperature high -pressure ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205260917U true CN205260917U (en) | 2016-05-25 |
Family
ID=56002445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521075095.XU Withdrawn - After Issue CN205260917U (en) | 2015-12-18 | 2015-12-18 | High -temperature high -pressure ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205260917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402442A (en) * | 2015-12-18 | 2016-03-16 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | High-temperature and high-pressure ball valve |
-
2015
- 2015-12-18 CN CN201521075095.XU patent/CN205260917U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402442A (en) * | 2015-12-18 | 2016-03-16 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | High-temperature and high-pressure ball valve |
| CN105402442B (en) * | 2015-12-18 | 2019-04-26 | 中国石油化工股份有限公司江汉油田分公司石油工程技术研究院 | A kind of high-temp and-pressure ball valve |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20190426 |