CN208041174U - High Pressure Difference axial flow control valve - Google Patents
High Pressure Difference axial flow control valve Download PDFInfo
- Publication number
- CN208041174U CN208041174U CN201820254764.7U CN201820254764U CN208041174U CN 208041174 U CN208041174 U CN 208041174U CN 201820254764 U CN201820254764 U CN 201820254764U CN 208041174 U CN208041174 U CN 208041174U
- Authority
- CN
- China
- Prior art keywords
- valve
- inner body
- sleeve
- high pressure
- pressure difference
- Prior art date
- 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.)
- Active
Links
Landscapes
- Safety Valves (AREA)
Abstract
The utility model belongs to valve body technical field, it is related to a kind of High Pressure Difference axial flow control valve, including valve body, baffle cover is arranged in the valve inner body closing in end of the valve body, guide sleeve is arranged in the inner hole of baffle cover, guide sleeve is fixed with valve inner body relative position, sleeve is set far from baffle cover one end in valve inner body, valve seat is arranged in sleeve outer end, and valve seat is fixed by trim ring, and spool is equipped in hub internal bore, guide sleeve installs guide rod, guide rod one end is fixedly connected with spool, and valve rod is arranged in the valve rod mounting hole of valve body, and guide rod is engaged with valve rod helical teeth.The regulating valve can be applied to High Pressure Difference operating mode, it can be achieved that double fluid to and complete pressure balance, while can with poppet act reliability, stability.
Description
Technical field
The utility model belongs to valve body technical field, is related to a kind of High Pressure Difference axial flow control valve.
Background technology
Regulating valve is widely used in the industries such as oil, chemical industry, natural gas.In China, the design of regulating valve, manufacturing technology warp
The development for spending decades has larger breakthrough.Currently, most regulating valve runners are still serpentine structure, i.e. spool movement side
To perpendicular with conduit axis direction.The regulating valve flow resistance coefficient of such runner type is big, and energy loss is big, and is often accompanied by
Phenomena such as vibration, noise, cavitation, occurs.Under the operating mode of high temperature and pressure difference, problems are especially prominent, badly damaged to adjust
The relevant devices such as valve and pipeline are saved, the service life of regulating valve is greatly reduced.
Axial flow valve absorbs the advantages of traditional regulation valve, reduces flow resistance coefficient, reduces capacity loss, alleviates shake
Dynamic, noise and cavitation phenomenons.But due to the axial flow valve spool of bidirectional flow, the incomplete pressure balance being oriented in rod structure, cause
Executing agency's demand force is big, especially high pressure valve；Conventional axial flow valve uses seal with O ring simultaneously, and bearing capacity is poor, guidance quality
Difference.
Invention content
In view of the above-mentioned problems, providing a kind of High Pressure Difference axial flow control valve, which can be applied to the utility model
High Pressure Difference operating mode, it can be achieved that double fluid to and complete pressure balance, while can with poppet act reliability, stability.
According to the technical solution of the utility model：A kind of High Pressure Difference axial flow control valve, it is characterised in that：Including valve body,
Baffle cover is arranged in the valve inner body closing in end of the valve body, and guide sleeve, guide sleeve and valve inner body phase is arranged in the inner hole of baffle cover
Position is fixed, sleeve is set far from baffle cover one end in valve inner body, valve seat is arranged in sleeve outer end, and valve seat is compressed solid by trim ring
It is fixed, spool is equipped in hub internal bore, guide sleeve installs guide rod, and guide rod one end is fixedly connected with spool, the valve of valve body
Valve rod is set in bar mounting hole, and guide rod is engaged with valve rod helical teeth.
The valve body is monolithic construction as a further improvement of the utility model, and valve inner body is set to valve inner,
Valve inner body and valve body integrally connected, valve inner body are double-layer structure, and the same end outer surface of inside and outside layer is pyramidal structure, in valve
In vivo, cavity is equipped between outer layer, volume surrounding is hollow body in valve, and valve inner body vertical direction is a support construction, in valve
The inside and outside layer of body, and be connected with valve body.
Waveform spring is equipped between the sleeve and valve inner body as a further improvement of the utility model, and passes through valve
Seat is pressed on by trim ring in valve inner body.
Q shape sealing rings are equipped between the sleeve and valve seat as a further improvement of the utility model, the Q shapes are close
Seal and spool axial direction auxiliary seal.
The first balanced seal ring, institute are equipped between the spool and valve inner body as a further improvement of the utility model,
It is Bidirectional seal structure to state the first balanced seal ring.
As a further improvement of the utility model, between the guide rod and guide sleeve using the second balanced seal ring and
Third balanced seal ring seals, and the first guidance tape and the second guidance tape is arranged to be oriented to guide rod in guide sleeve.
The utility model has technical effect that：The utility model High Pressure Difference axial flow control valve is suitable for High Pressure Difference work
Condition, monolithic construction, securely and reliably, production and assembly are convenient；Spool, guide rod use balance type structure, can realize that medium is double
To flowing, and it is smaller to act required executing agency thrust；Balanced seal ring and guide ring composite structure, guide effect is good, no
Easily there is bite phenomenon, service life is long, and reliability is high.
Description of the drawings
Fig. 1 is the structural schematic diagram that the present invention is implemented.
Fig. 2 is the structural schematic diagram of valve body.
Fig. 3 is the sectional view along A-A of Fig. 2.
Fig. 4 is the I enlarged diagrams in Fig. 1.
Fig. 5 is the II enlarged diagrams in Fig. 1.
Specific implementation mode
Specific embodiment of the present utility model is further described below in conjunction with the accompanying drawings.
In Fig. 1 ~ 5, including valve body 1, sleeve 2, valve seat 3, trim ring 4, spool 5, guide rod 6, guide sleeve 7, valve rod 8, baffle
Cover 9, sealing ring 10, waveform spring 11, the first balanced seal ring 12, the second balanced seal ring 13, the first guidance tape 14, second are led
To band 15, third balanced seal ring 16, valve inner body 17 etc..
As shown in Fig. 1 ~ 5, the utility model is a kind of High Pressure Difference axial flow control valve, including valve body 1, the valve body 1
Baffle cover 9 is arranged in 17 closing in end of valve inner body, and guide sleeve 7 is arranged in the inner hole of baffle cover 9, and guide sleeve 7 is opposite with valve inner body 17
Position is fixed, and sleeve 2 is arranged far from 9 one end of baffle cover in valve inner body 17, and valve seat 3 is arranged in 2 outer end of sleeve, and valve seat 3 passes through trim ring 4
It is fixed, spool 5 is equipped in 2 endoporus of sleeve, guide sleeve 7 installs guide rod 6, and 6 one end of guide rod is fixed with spool 5 to be connected
It connects, valve rod 8 is set in the valve rod mounting hole of valve body 1, guide rod 6 is engaged with 8 helical teeth of valve rod.
Valve body 1 is monolithic construction, and valve inner body 17 is set to inside valve body 1, valve inner body 17 and 1 integrally connected of valve body, valve
Inner body 17 is double-layer structure, and the same end outer surface of inside and outside layer is pyramidal structure, and sky is equipped between 17 inside and outside layer of valve inner body
Chamber, 17 outer layer of valve inner body are hollow body, and 17 vertical direction of valve inner body is a support construction, runs through the inside and outside layer of valve inner body 17, and
It is connected with valve body 1.The lumen of valve inner body 17 is communicated with the inner cavity of guide sleeve 7 so that the pressure at two ends of guide rod 6 balances.
It is equipped with waveform spring 11 between sleeve 2 and valve inner body 17, and is pressed in valve inner body 17 by trim ring 4 by valve seat 3,
Waveform spring 11 can compensate " the installation dimension error " generated by assembling superposition, reduce the difficulty of processing and installation.
Q shape sealing rings 10, the Q shape sealing rings 10 and the axial auxiliary seal of spool 5, Q are equipped between sleeve 2 and valve seat 3
10 bi-directional compression of shape sealing ring can promote axial seal effect.
The first balanced seal ring 12 is equipped between spool 5 and valve inner body 17, the first balanced seal ring 12 is two-way close
Seal structure, the first balanced seal ring 12 are spring energy-storage structure, and seal and pressure bearing performance and guidance quality are good.
It is sealed, and led using the second balanced seal ring 13 and third balanced seal ring 16 between guide rod 6 and guide sleeve 7
It is arranged the first guidance tape 14 and the second guidance tape 15 into set 7 to be oriented to guide rod 6, seal and pressure bearing performance and guidance quality
It is good.
Claims (6)
1. a kind of High Pressure Difference axial flow control valve, it is characterised in that：Including valve body（1）, the valve body（1）Valve inner body（17）It receives
Baffle cover is arranged in mouth end（9）, baffle cover（9）Inner hole be arranged guide sleeve（7）, guide sleeve（7）With valve inner body（17）Relatively
Position is fixed, valve inner body（17）Upper separate baffle cover（9）Sleeve is arranged in one end（2）, sleeve（2）Valve seat is arranged in outer end（3）, valve seat
（3）Pass through trim ring（4）It is fixed, sleeve（2）Spool is equipped in endoporus（5）, guide sleeve（7）Guide rod is installed（6）, lead
To bar（6）One end and spool（5）It is fixedly connected, valve body（1）Valve rod mounting hole in valve rod is set（8）, guide rod（6）With valve rod
（8）Helical teeth engages.
2. High Pressure Difference axial flow control valve as described in claim 1, it is characterised in that：The valve body（1）For monolithic construction,
Valve inner body（17）It is set to valve body（1）Inside, valve inner body（17）With valve body（1）Integrally connected, valve inner body（17）For double-layer structure,
The same end outer surface of inside and outside layer is pyramidal structure, valve inner body（17）Cavity, valve inner body are equipped between inside and outside layer（17）Outside
Layer is hollow body, valve inner body（17）Vertical direction is a support construction, runs through valve inner body（17）Inside and outside layer, and and valve body（1）
It is connected.
3. High Pressure Difference axial flow control valve as described in claim 1, it is characterised in that：The sleeve（2）With valve inner body（17）
Between be equipped with waveform spring（11）, and pass through valve seat（3）By trim ring（4）It is pressed on valve inner body（17）On.
4. High Pressure Difference axial flow control valve as described in claim 1, it is characterised in that：The sleeve（2）With valve seat（3）Between
Equipped with Q shape sealing rings（10）, the Q shape sealing rings（10）With spool（5）Axial auxiliary seal.
5. High Pressure Difference axial flow control valve as described in claim 1, it is characterised in that：The spool（5）With valve inner body（17）
Between be equipped with the first balanced seal ring（12）, the first balanced seal ring（12）For Bidirectional seal structure.
6. High Pressure Difference axial flow control valve as described in claim 1, it is characterised in that：The guide rod（6）With guide sleeve（7）
Between use the second balanced seal ring（13）With third balanced seal ring（16）Sealing, and in guide sleeve（7）Middle setting first is led
To band（14）With the second guidance tape（15）Come to guide rod（6）It is oriented to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254764.7U CN208041174U (en) | 2018-02-12 | 2018-02-12 | High Pressure Difference axial flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820254764.7U CN208041174U (en) | 2018-02-12 | 2018-02-12 | High Pressure Difference axial flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041174U true CN208041174U (en) | 2018-11-02 |
Family
ID=63953151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820254764.7U Active CN208041174U (en) | 2018-02-12 | 2018-02-12 | High Pressure Difference axial flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131455A (en) * | 2018-02-12 | 2018-06-08 | 无锡智能自控工程股份有限公司 | High Pressure Difference axial flow control valve |
| CN110469685A (en) * | 2019-08-22 | 2019-11-19 | 天津贝特尔流体控制阀门有限公司 | A kind of Pneumatic axial flow quick action emergency valve |
-
2018
- 2018-02-12 CN CN201820254764.7U patent/CN208041174U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131455A (en) * | 2018-02-12 | 2018-06-08 | 无锡智能自控工程股份有限公司 | High Pressure Difference axial flow control valve |
| CN110469685A (en) * | 2019-08-22 | 2019-11-19 | 天津贝特尔流体控制阀门有限公司 | A kind of Pneumatic axial flow quick action emergency valve |
| CN110469685B (en) * | 2019-08-22 | 2021-03-02 | 天津贝特尔流体控制阀门有限公司 | Pneumatic axial-flow type emergency cut-off valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208041174U (en) | High Pressure Difference axial flow control valve | |
| CN201874520U (en) | Cage type throttling valve | |
| CN202418669U (en) | Flat valve of high sealing property | |
| CN108131455A (en) | High Pressure Difference axial flow control valve | |
| CN114060540A (en) | Bidirectional-pressure high-temperature butterfly valve | |
| CN204922118U (en) | Relief pressure valve structure with adjustable pressure | |
| CN101260916A (en) | Shock absorber | |
| CN208010963U (en) | A kind of hard seal ball valve | |
| CN203656240U (en) | Dual-power one-way compound sealing low temperature ball valve | |
| CN109751426A (en) | A kind of dynamic flow balance valve | |
| CN202182222U (en) | Piston type balanced self-reliance pressure-regulating valve | |
| CN110454579A (en) | Needle component and electric expansion valve with the needle component | |
| CN209385700U (en) | A kind of high-performance two-way hard seal spiral valve | |
| CN205504024U (en) | Two -way metal seal balanced type internals structure of telescoping valve | |
| CN113983181A (en) | Stop valve suitable for high-temperature fluid | |
| CN106439211A (en) | Valve rod assembly on electronic expansion valve | |
| CN109751419B (en) | Double-balance type corrugated pipe pressure reducing valve | |
| CN206338473U (en) | Automatically controlled delivery valve | |
| CN205533968U (en) | Shock absorber | |
| CN201909060U (en) | High-temperature metal sealing oxygen ball valve | |
| CN205977892U (en) | Oil pump hydraulic motor assembly | |
| CN207437878U (en) | Porous type balanced type single seat sleeve regulating valve | |
| CN219570901U (en) | Bellows decompression stop valve | |
| CN203189780U (en) | High-pressure self-sealing spherical valve | |
| CN203363207U (en) | Differential pressure bypass valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |