CN202118331U - Self-operated pressure regulating valve capable of utilizing inner pressure - Google Patents
Self-operated pressure regulating valve capable of utilizing inner pressure Download PDFInfo
- Publication number
- CN202118331U CN202118331U CN2011201670553U CN201120167055U CN202118331U CN 202118331 U CN202118331 U CN 202118331U CN 2011201670553 U CN2011201670553 U CN 2011201670553U CN 201120167055 U CN201120167055 U CN 201120167055U CN 202118331 U CN202118331 U CN 202118331U
- Authority
- CN
- China
- Prior art keywords
- cavity
- valve
- valve body
- pressure
- spool
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Control Of Fluid Pressure (AREA)
Abstract
A self-operated pressure regulating valve capable of utilizing inner pressure belongs to the technical field of gas regulating valves and comprises a valve body composed of a feeding connector and a discharging connector. A plug screw is arranged at the bottom of the valve body, a cavity between the plug screw and the valve body forms a feeding cavity, a valve core mechanism formed by a valve core and a valve seat is arranged in the feeding cavity, a lower valve cover is arranged at the top end of the valve body, a lower cavity is formed by a cavity between the lower valve cover and the valve body, the lower cavity is communicated with the discharging connector, an upper valve cover is arranged at the top end of the lower valve cover, an upper cavity is formed by a cavity between the upper valve cover and the lower valve cover, a pressure regulating mechanism formed by bellows and a spring is arranged in the upper cavity, and a manual regulating mechanism is arranged at the top end of the upper valve cover. The regulating valve does not require external energy, only utilizes change of the pressure of a controlled medium to drive an execution mechanism to achieve the effects of automatic regulation and pressure stabilization.
Description
Technical field
The utility model belongs to the gas control valve technical field, is specifically related to a kind of interior pressure self-contained pressure regulator.
Background technique
Existing self-contained pressure regulator generally is outer conduction structure, complex structure, and the pressure conduction is slow, and the serious lag phenomenon is arranged, and some need have under electricity or the gas effect and could work.These modulating valve are very inconvenient aspect pressure regulation simultaneously, can not carry out the on-site manual pressure regulation, and have problems such as degree of regulation is not high.
Summary of the invention
Problem to the existing technology existence; The purpose of the utility model is to design the technological scheme that a kind of interior pressure self-contained pressure regulator is provided; This modulating valve need not the external energy and utilizes the variation in pressure of controlled medium own to come pushing executing mechanism, reaches the effect of automatic adjusting and steady pressure.
Described a kind of interior pressure self-contained pressure regulator comprises the valve body that is provided with charging joint and discharging joint, it is characterized in that described valve body bottom is provided with plug screw; Cavity between plug screw and the valve body constitutes the charging cavity, and the spool mechanism that is made up of spool and valve seat is set in the charging cavity, and described valve body top is provided with bottom flange; Cavity between bottom flange and the valve body constitutes cavity down; Following cavity communicates with the discharging joint, and described bottom flange top is provided with bonnet, and the cavity between bonnet and the bottom flange constitutes upper plenum; The pressure regulating mechanism that is made up of bellows and spring is set in the upper plenum, and described bonnet top is provided with manual adjustment means.
[0005]Described a kind of interior pressure self-contained pressure regulator; It is characterized in that described spool mechanism comprises the spool that is connected with the plug screw resilient engagement; Spool is connected with the valve seat that is fixedly installed in the valve body, and described spool passes down cavity and pressure regulating mechanism is connected.
Described a kind of interior pressure self-contained pressure regulator is characterized in that described cavity down upper end is provided with metallic graphite carbon pad I.
Described a kind of interior pressure self-contained pressure regulator; It is characterized in that described pressure regulating mechanism comprises bellows, the bellows upper end connects spring, and the spring upper end is press-fitted the connection spring seat; Spring seat is connected with manual adjustment means, and described bellows lower end connects spool.
Described a kind of interior pressure self-contained pressure regulator is characterized in that described upper plenum lower end is provided with the Graphite pad II.
Described a kind of interior pressure self-contained pressure regulator is characterized in that described manual adjustment means comprises adjustable lever, and the adjustable lever upper end is provided with hand knob, and adjustable lever is connected with bonnet with Female connector fittings through the nut that is provided with.
Above-mentioned a kind of interior pressure self-contained pressure regulator, simple in structure, reasonable in design; Utilize manual adjustment means can carry out the adjusting of setting pressure, utilize pressure regulating mechanism can carry out the adjustment of valve internal pressure, it can be able to worked under nothing electricity, no gas occasion; Utilize bellows as pressure detecting element; It is wide to have the adaptive temperature scope, is active in one's movements, and seals advantages such as reliable.This pressure regulator valve is applicable to that mainly the decompression of steam with stable, also is applicable to the pressure stability device of all gases, low viscous liquid medium simultaneously.This pressure regulator valve is widely used in the automatic control in the industrial departments such as chemical industry, oil, metallurgy, electric power, light textile.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Among the figure: the 1-plug screw; The 2-spool; The 3-valve seat; 4-charging joint; The 5-valve body; 6-metallic graphite carbon pad I; The 7-bottom flange; 8-metallic graphite carbon pad II; The 9-bonnet; The 10-bellows; The 11-spring; The 12-spring seat; The 13-Female connector fittings; The 14-thin nut; The 15-hand knob; The 16-adjustable lever; The 17-upper plenum; Cavity under the 18-; 19-discharging joint; 20-charging cavity.
Embodiment
Further specify the utility model below in conjunction with Figure of description.
As shown in the figure, a kind of interior pressure self-contained pressure regulator comprises valve body 5, and valve body 5 lower ends are provided with charging joint 4 and discharging joint 19, and valve body 5 bottom thread are provided with plug screw 1, and the cavity between plug screw 1 and the valve body 5 constitutes charging cavity 20.Be provided with spool mechanism in the charging cavity 20, spool mechanism comprises the spool 2 that is connected with plug screw 1 elasticity, and spool 2 can be connected with the valve seat 3 that is arranged on the valve body 5.
The top of valve body 5 is provided with bottom flange 7 through bolt, and the cavity between bottom flange 7 and the valve body 5 constitutes cavity 18 down.The upper end of following cavity 18 has fixedly installed metallic graphite carbon pad I 6, plays seal action, and cavity 18 communicates with discharging joint 19 down.
The top of bottom flange 7 is provided with bonnet 9 through bolt, and the cavity between bonnet 9 and the bottom flange 7 constitutes upper plenum 17.Be provided with pressure regulating mechanism in the upper plenum 17; Pressure regulating mechanism comprises bellows 10; Bellows 10 upper ends connect spring 11; Spring 11 upper ends are press-fitted and connect spring seat 12, and spring seat 12 is connected with the manual adjustment means that is arranged on bonnet 9 tops, and bellows 10 lower ends are connected with the spool that passes down cavity 18 2.Simultaneously also be provided with metallic graphite carbon pad II 8, play seal action in upper plenum 17 lower ends.
Manual adjustment means comprises adjustable lever 16, and adjustable lever 16 upper ends are provided with hand knob 15, and adjustable lever 16 is connected with bonnet 9 with Female connector fittings 13 through the thin nut 14 that is provided with, and Female connector fittings 13 lower ends connect spring seat 12.
During work, the valve initial position is in taper valve core 2 enable possitions, and medium gets into charging cavity 20 by charging joint 4, after spool 2, valve seat 3 throttlings, exports discharging joint 19 to, and medium directly gets into film chamber down behind the valve.Raise like downstream pressure, the power that acts on the bellows 10 increases, and pressure spring 11 drives spool 2, valve opening degree is reduced, till downstream pressure drops to setting value.In like manner, be lower than pressure set points like downstream pressure, the power that acts on the bellows 10 reduces, and under spring 11 elastic force effects, spring 11 drives spool 2, valve opening degree is increased, till downstream pressure rises to setting value.
Required force value is that the operation through adjustable lever 16 obtains adjusting, and the hand knob 15 that turns clockwise increases pressure, is rotated counterclockwise 15 of hand knobs pressure is reduced, and should note manometric expression value during adjustment.Till manometric expression value according with process requirements.
Claims (6)
1. pressure self-contained pressure regulator in a kind; Comprise the valve body (5) that is provided with charging joint (4) and discharging joint (19); It is characterized in that described valve body (5) bottom is provided with plug screw (1); Cavity between plug screw (1) and the valve body (5) constitutes charging cavity (20), and the spool mechanism that is made up of spool (2) and valve seat (3) is set in the charging cavity (20), and described valve body (5) top is provided with bottom flange (7); Cavity between bottom flange (7) and the valve body (5) constitutes cavity (18) down; Following cavity (18) communicates with discharging joint (19), and described bottom flange (7) top is provided with bonnet (9), and the cavity between bonnet (9) and the bottom flange (7) constitutes upper plenum (17); The pressure regulating mechanism that is made up of bellows (10) and spring (11) is set in the upper plenum (17), and described bonnet (9) top is provided with manual adjustment means.
2. a kind of interior pressure self-contained pressure regulator as claimed in claim 1; It is characterized in that described spool mechanism comprises the spool (2) that is connected with plug screw (1) resilient engagement; Spool (2) is connected with the valve seat (3) that is fixedly installed in the valve body (5), and described spool (2) passes down cavity (18) and is connected with pressure regulating mechanism.
3. a kind of interior pressure self-contained pressure regulator as claimed in claim 1 is characterized in that described cavity (18) down upper end is provided with metallic graphite carbon pad I (6).
4. a kind of interior pressure self-contained pressure regulator as claimed in claim 1; It is characterized in that described pressure regulating mechanism comprises bellows (10); Bellows (10) upper end connects spring (11); Spring (11) upper end is press-fitted and connects spring seat (12), and spring seat (12) is connected with manual adjustment means, and described bellows (10) lower end connects spool (2).
5. a kind of interior pressure self-contained pressure regulator as claimed in claim 1 is characterized in that described upper plenum (17) lower end is provided with metallic graphite carbon pad II (8).
6. a kind of interior pressure self-contained pressure regulator as claimed in claim 1; It is characterized in that described manual adjustment means comprises adjustable lever (16); Adjustable lever (16) upper end is provided with hand knob (15), and adjustable lever (16) is connected with bonnet (9) with Female connector fittings (13) through the thin nut (14) that is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201670553U CN202118331U (en) | 2011-05-24 | 2011-05-24 | Self-operated pressure regulating valve capable of utilizing inner pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201670553U CN202118331U (en) | 2011-05-24 | 2011-05-24 | Self-operated pressure regulating valve capable of utilizing inner pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118331U true CN202118331U (en) | 2012-01-18 |
Family
ID=45459398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201670553U Expired - Fee Related CN202118331U (en) | 2011-05-24 | 2011-05-24 | Self-operated pressure regulating valve capable of utilizing inner pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118331U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797881A (en) * | 2012-02-23 | 2012-11-28 | 武汉大禹阀门股份有限公司 | Quick-opening slow-closing water hammer relief valve |
| CN116221468A (en) * | 2023-03-09 | 2023-06-06 | 浙江三方控制阀股份有限公司 | Self-operated multistage rotary pressure reducing valve |
-
2011
- 2011-05-24 CN CN2011201670553U patent/CN202118331U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797881A (en) * | 2012-02-23 | 2012-11-28 | 武汉大禹阀门股份有限公司 | Quick-opening slow-closing water hammer relief valve |
| CN116221468A (en) * | 2023-03-09 | 2023-06-06 | 浙江三方控制阀股份有限公司 | Self-operated multistage rotary pressure reducing valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105042093B (en) | The valve of adjustable opening and closing frequency | |
| CN206708481U (en) | A kind of pressure regulator valve | |
| CN202118331U (en) | Self-operated pressure regulating valve capable of utilizing inner pressure | |
| CN201599488U (en) | High differential pressure regulating valve | |
| CN104514901A (en) | Plastic sealing type pilot-operated safety valve | |
| CN204739278U (en) | Formula of relying on oneself pilot valve pressure regulating valve of control pressure -fired | |
| CN203757110U (en) | Self-operated internal pressure tapping type adjusting valve | |
| CN203757111U (en) | Balanced self-reliance internal pressure tapping type regulating valve of corrugated pipe | |
| CN201944305U (en) | Panel gate valve | |
| CN213117618U (en) | Pressure regulating valve device with nitrogen seal | |
| CN201651460U (en) | Electric control pressure reducing regulator for gas-fired automobile | |
| CN203082301U (en) | Gas pressure reducer for mass flow | |
| CN212429922U (en) | Mechanical pneumatic film actuating mechanism | |
| CN201190822Y (en) | Pressure-limiting valve | |
| CN203571134U (en) | Plastic sealing pilot operated safety valve | |
| CN203906931U (en) | Pilot-operated type pressure reducing valve | |
| CN111963733A (en) | Double-sealing combined valve | |
| CN203549041U (en) | Self-operated pressure regulating valve | |
| CN201521658U (en) | Pneumatic membrane control valve | |
| CN108413105B (en) | Improved regulating valve | |
| CN202371244U (en) | Pressure regulation valve | |
| CN205715946U (en) | A kind of water pipeline regulation valve | |
| CN203051878U (en) | Self-operated pressure regulating valve used for micro flow control in micro-pressure | |
| CN201032047Y (en) | Pressure adjustable steam trap | |
| CN110985733A (en) | Self-operated pressure balance valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20170524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |