CN207333735U - A kind of novel pneumatic regulating valve - Google Patents
A kind of novel pneumatic regulating valve Download PDFInfo
- Publication number
- CN207333735U CN207333735U CN201721184827.8U CN201721184827U CN207333735U CN 207333735 U CN207333735 U CN 207333735U CN 201721184827 U CN201721184827 U CN 201721184827U CN 207333735 U CN207333735 U CN 207333735U
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- CN
- China
- Prior art keywords
- valve
- valve body
- stem
- hole
- spool
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- 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.)
- Expired - Fee Related
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- Fluid-Driven Valves (AREA)
- Lift Valve (AREA)
Abstract
It the utility model is related to a kind of novel pneumatic control valve, including pneumatic actuator, valve body, valve deck.Valve body includes medium inlet, media outlet and the installing port for being opened in valve body upper end opened up on the same axis.Equipped with valve seat and the spool to match with valve seat in valve body, valve deck is installed on the installing port of valve body upper end by screw bolt and nut, bonnet central offers stem through-hole, installing port of the valve rod on stem through-hole and valve body, valve rod upper end is connected through stem through-hole with pneumatic actuator, lower end, using being threadedly coupled, is equipped with airtight and watertight padding with spool between valve rod and the stem through-hole of valve deck.Pneumatic actuator driving stem moves up and down, and valve rod moves up and down the aperture change for causing spool with movable valve plug and then adjusts the flow of medium.The utility model has the advantages of simple structure, and small, light-weight, flow resistance is small, and degree of regulation is high to be suitable for the stringent switch of seal request and cut-out and the technique occasion and fluid control systems that adjust pipeline medium.
Description
Technical field
It the utility model is related to valve technology field, more particularly to a kind of novel pneumatic regulating valve.
Background technology
Pneumatic type regulating valve is also known as pneumatic type actuator, using compressed gas as power source drive valve, realizes switching value
Or proportion expression is adjusted.The characteristics of pneumatic type regulating valve is exactly that control is simple, reliable in action, rapid reaction, and performance is stablized, maintenance side
And essential safety, just, it is not required in addition take fire-proof and explosion-proof measure again, is that the industrial enterprises such as oil, chemical industry, electric power, metallurgy are extensive
One of industrial stokehold instrument used.
Current operated pneumatic valve has the diversified forms such as diaphragm type, piston type and pinion and-rack.Existing diaphragm type is pneumatic
Valve is still incomplete as a whole, its is complicated, volume is big, not compact enough, and leakage point is more, poor sealing, and valve closes
The defects of not tight.Wherein, its power output of the pneumatic actuator on pneumatic operated valve is set, is sent out when using pressure medium
Changing will increase pressure medium, and it is inadequate to occur actuator stem force, cause valve can not close or even can not move
Make, manual operation generally requires several people, and the time of consumption is also grown, and when emergency occurs, be easy to cause loss and safe thing
Therefore such pneumatic operated valve brings great trouble to user.
Utility model content
The purpose of this utility model is that being the defects of overcoming the prior art, and provide a kind of simple and compact for structure, volume
Small, light-weight, flow resistance is small, the novel pneumatic regulating valve of reliability, better tightness.
To achieve the above object, the utility model uses following technical scheme：A kind of novel pneumatic control valve, including gas
Dynamic executing agency, valve body, valve deck；Medium inlet that the valve body includes opening up on the same axis, media outlet and open up
Installing port in valve body upper end；Installed in valve body equipped with valve seat and the spool to match with valve seat, valve deck by screw bolt and nut
Installing port in valve body upper end, bonnet central offer stem through-hole, installing port of the valve rod on stem through-hole and valve body, valve
Bar upper end is connected through the stem through-hole with pneumatic actuator, lower end and spool using being threadedly coupled, valve rod and valve deck
Airtight and watertight padding is equipped between stem through-hole；The pneumatic actuator driving stem moves up and down, and valve rod band movable valve plug moves up and down
The dynamic aperture for causing spool changes and then adjusts the flow of medium.
Further, the valve seat is fixed in the passage between valve body media entrance, media outlet, is set on the inside of valve seat
There is annular positioning groove.
Further, the valve deck is installed on the installing port of valve body with being equipped with guide ring, the guide ring at valve body contact
It is interior.
Further, the valve core housing is arranged in the guide ring and positioned at the vertical direction of valve seat.
Further, the spool bottom is equipped with the ring packing conical surface of evagination, and the ring packing conical surface can be with institute
Valve seat annular positioning groove is stated to match.
Further, it is equipped with bushing in the guide ring.
Further, the valve deck upper end is equipped with the gland to seal.
The beneficial effect of the utility model compared with prior art is：Above and below executing agency's driving stem of the utility model
Movement, valve rod band movable valve plug moves up and down, and then causes the aperture of spool to change, and ensures perseverance by adjusting the flow of medium
The output of constant flow, solves the problems, such as that actuator stem force is inadequate.The utility model has the advantages of simple structure, small, weight
Gently, flow resistance is small, and has the function of accurately adjusting and reliable location, and adjustable extent is big, and degree of regulation height is suitable for pipeline
Pressure difference is big, the stringent switch of seal request and cut-out and the technique occasion and fluid control systems that adjust pipeline medium.
Brief description of the drawings
Fig. 1 is the overall structure embodiment schematic diagram of the utility model pneumatic control valve；
Fig. 2 is the sectional arrangement drawing of the utility model pneumatic control valve.
In figure：Valve body 1, valve deck 2, valve rod 3, spool 4, valve seat 5, pneumatic actuator 6, guide ring 7, bushing 8, sealing are filled out
Material 9, medium inlet 10, media outlet 11, installing port 12, stem through-hole 13, annular positioning groove 14, the ring packing conical surface 15, lining
Set 16, gland 17.
Embodiment
In order to more fully understand the technology contents of the utility model, the skill with reference to specific embodiment to the utility model
Art scheme is described further and illustrates.
The concrete structure of the utility model embodiment as illustrated in fig. 1 and 2,：A kind of novel pneumatic regulating valve, including pneumatically hold
Row mechanism 6, valve body 1, valve deck 2.Medium inlet 10 that valve body 1 includes opening up on the same axis, media outlet 11 and open up
Installing port 12 in 1 upper end of valve body.Equipped with valve seat 5 and the spool 4 to match with valve seat 5 in valve body 1, valve deck 2 by bolt and
Nut is installed on the installing port 12 of valve body upper end, and 2 center of valve deck offers stem through-hole 13, and valve rod 3 runs through the stem through-hole 13
With the installing port 12 on valve body 1, and the upper end of valve rod 3 is connected through the stem through-hole 13 with pneumatic actuator 6, lower end with
Spool 4 is equipped with airtight and watertight padding 9 using being threadedly coupled between valve rod 3 and the stem through-hole 13 of valve deck 2.Pneumatic actuator 6 drives
Valve rod 3 moves up and down, and valve rod 3 moves up and down the aperture change for causing spool 4 with movable valve plug 4 and then adjusts the flow of medium.
Preferably, valve seat 5 is fixed in the passage between 1 medium inlet 10 of valve body, media outlet 11, the inner side of valve seat 5
Equipped with annular positioning groove 14.
Preferably, valve deck 2 is equipped with guide ring 7 with 1 contact position of valve body, and guide ring 7 is installed in the installing port 12 of valve body 1.
Preferably, spool 4 is sheathed in guide ring 7 and positioned at the vertical direction of valve seat.Specifically, which is hemisphere
Type spool, the upper end of spool 4, which is set in the bushing 16 of guide ring 7, to be slidably connected.
Preferably, 4 bottom of spool is equipped with the ring packing conical surface 15 of evagination, and the ring packing conical surface 15 can be with valve seat 5
Annular positioning groove 14 matches.
Preferably, it is equipped with bushing 16 in guide ring 7.
Preferably, 2 upper end of valve deck is equipped with the gland 17 to seal.
Executing agency's driving stem of the utility model moves up and down, and valve rod band movable valve plug moves up and down, and then causes valve
The aperture change of core, ensures the output of constant flow rate by adjusting the flow of medium, solves actuator stem force not
The problem of enough.The utility model has the advantages of simple structure, and small, light-weight, flow resistance is small, and with accurate adjusting and reliably
Positioning function, adjustable extent is big, and the high pipeline pressure difference that is suitable for of degree of regulation is big, the stringent switch of seal request and cut-out and tune
The technique occasion and fluid control systems of length of tubing medium.
The technology contents set forth above that the utility model is only further illustrated with embodiment, in order to which reader is easier to manage
Solution, but the embodiment for not representing the utility model is only limitted to this, and any technology done according to the utility model extends or creates again
Make, protected by the utility model.
Claims (7)
1. a kind of novel pneumatic regulating valve, including pneumatic actuator, valve body, valve deck；It is characterized in that：The valve body is included in
Medium inlet, media outlet and the installing port for being opened in valve body upper end opened up on same axis；Be equipped with valve body valve seat and
The spool to match with valve seat, valve deck are installed on the installing port of valve body upper end by screw bolt and nut, and bonnet central offers valve
Rod through-hole, installing port of the valve rod on stem through-hole and valve body, valve rod upper end perform machine through the stem through-hole with pneumatic
Structure is connected, lower end, using being threadedly coupled, is equipped with airtight and watertight padding with spool between valve rod and the stem through-hole of valve deck；It is described pneumatically to hold
Row mechanism driving stem moves up and down, and valve rod moves up and down the aperture change for causing spool with movable valve plug and then adjusts the stream of medium
Amount.
A kind of 2. novel pneumatic regulating valve according to claim 1, it is characterised in that：The valve seat is fixed on valve body media
In passage between entrance, media outlet, the inner side of valve seat is equipped with annular positioning groove.
A kind of 3. novel pneumatic regulating valve according to claim 2, it is characterised in that：The valve deck at valve body contact with setting
There is guide ring, the guide ring is installed in the installing port of valve body.
A kind of 4. novel pneumatic regulating valve according to claim 3, it is characterised in that：The valve core housing is arranged on the guiding
In ring and positioned at the vertical direction of valve seat.
A kind of 5. novel pneumatic regulating valve according to claim 4, it is characterised in that：The spool bottom is equipped with evagination
The ring packing conical surface, the ring packing conical surface can match with the valve seat annular positioning groove.
A kind of 6. novel pneumatic regulating valve according to claim 4, it is characterised in that：Bushing is equipped with the guide ring.
A kind of 7. novel pneumatic regulating valve according to claim 1, it is characterised in that：The valve deck upper end has been equipped with sealing
The gland of effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184827.8U CN207333735U (en) | 2017-09-15 | 2017-09-15 | A kind of novel pneumatic regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184827.8U CN207333735U (en) | 2017-09-15 | 2017-09-15 | A kind of novel pneumatic regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333735U true CN207333735U (en) | 2018-05-08 |
Family
ID=62369272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721184827.8U Expired - Fee Related CN207333735U (en) | 2017-09-15 | 2017-09-15 | A kind of novel pneumatic regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207333735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701320A (en) * | 2018-07-10 | 2020-01-17 | 奥塔玛株式会社 | Flow regulating stop valve for sanitation |
| CN113144802A (en) * | 2021-04-08 | 2021-07-23 | 浙江坤博精工科技股份有限公司 | Compressed air source processing device |
| CN115654160A (en) * | 2022-09-21 | 2023-01-31 | 北京航天石化技术装备工程有限公司 | Slide valve for conveying dense particle flow |
-
2017
- 2017-09-15 CN CN201721184827.8U patent/CN207333735U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110701320A (en) * | 2018-07-10 | 2020-01-17 | 奥塔玛株式会社 | Flow regulating stop valve for sanitation |
| CN113144802A (en) * | 2021-04-08 | 2021-07-23 | 浙江坤博精工科技股份有限公司 | Compressed air source processing device |
| CN115654160A (en) * | 2022-09-21 | 2023-01-31 | 北京航天石化技术装备工程有限公司 | Slide valve for conveying dense particle flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20210915 |