CN206159585U - Self -operated adjusting valve - Google Patents
Self -operated adjusting valve Download PDFInfo
- Publication number
- CN206159585U CN206159585U CN201621039540.1U CN201621039540U CN206159585U CN 206159585 U CN206159585 U CN 206159585U CN 201621039540 U CN201621039540 U CN 201621039540U CN 206159585 U CN206159585 U CN 206159585U
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- CN
- China
- Prior art keywords
- valve
- chamber
- commander
- case
- gap
- 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
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Abstract
The utility model provides a self -operated adjusting valve, including main regulator valve, pilot valve valve and actuating mechanism, the lower extreme of pilot valve valve is connected with main regulator valve, and the upper end is connected with actuating mechanism, main regulator valve includes valve body, disk seat, case and valve gap, be equipped with passageway behind valve prepass and the valve on the valve body, the disk seat can cooperate its characterized in that with the case is sealed: the valve gap be located one end on the valve body be equipped with the cover on the case and with the sleeve of case adapter coupling, be equipped with the pressure chamber between case and the valve gap, be equipped with the spring in the pressure chamber, the spring can provide the case and make the case at the sleeve internal slipping towards the effort of disk seat direction, the case is equipped with the recess with the one end that the disk seat contacted, the disk seat is the annular and the up end is the inclined plane, the disk seat direction of can facing the case removes and is connected with the last end face seal of disk seat. The utility model aims to provide a self -operated adjusting valve that the leakproofness is good, simple structure, convenient to use, regulation are sensitive.
Description
Technical field
The utility model is related to a kind of valve, more particularly to a kind of direct-operated regulator.
Background technology
Direct-operated regulator be it is a kind of be not required to additional drive energy and lean on by the tune medium pressure change of itself be power, from
It is dynamic by setting value requirements realization to pressure, flow, temperature the valve for automatically adjusting.This valve is collection detection, feedback, performs
Various functions energy-conserving product.Direct-operated regulator in direct-operated regulator, be generally used for storage tank nitrogen envelope, coal gas,
The Auto-control of Micro-pressure of the various industrial gasses such as natural gas, liquefied gas, oxygen, nitrogen.Control valve seat is by spring compression in application valve body
Interior, valve seat is higher with pressure ring requirement on machining accuracy, if valve seat, pressure ring fit clearance are larger, valve seat is also easy to produce skew and affects
Valve element and the concentricity of valve seat, are likely to result in control valve and are not closed completely, and leakage rate affects greatly control accuracy.
Utility model content
Based on the problems referred to above, the utility model purpose is to provide a kind of good airproof performance, simple structure, easy to use, tune
Save sensitive direct-operated regulator.
For problem above, there is provided following technical scheme：A kind of direct-operated regulator, including main inlet control valve, pilot valve
Valve and executing agency, the lower end of the pilot valve valve is connected with main inlet control valve, and upper end is connected with executing agency, the homophony
Section valve includes valve body, valve seat, valve element and valve gap, and the valve body is provided with passage after valve prepass and valve, and the valve seat can be with valve
Core sealing coordinates, it is characterised in that：One end that the valve gap is located on valve body is provided with and is placed on valve element and is connected with valve element adaptation
Sleeve, pressure chamber is provided between the valve element and valve gap, spring is provided with the pressure chamber, the spring can be provided valve element
Active force towards valve seat direction makes valve element sliding in sleeve；One end that the valve element contacts with valve seat is provided with groove, described
Valve seat is in a ring and upper surface is inclined-plane, and the valve element can be tightly connected towards the movement of valve seat direction and with the upper surface of valve seat.
The utility model is further arranged to：The executing agency is included by the upper membrane cover for sealing against each other connection and lower membrane cover
Control diaphragm, regulation spring and push rod in the membrane cavity and membrane cavity of formation.
The utility model is further arranged to：Passage is connected by lower membrane cover with membrane cavity after the valve, the pilot valve
Valve includes commander's body, commander chamber, balance valve core and stage clip, and the lower end of commander's body is tightly connected with the upper end of valve gap,
Its upper end is connected with lower film cover seal, is communicated with commanding the first through hole of chamber and valve prepass and connecting on commander's body
Second through hole of passage behind commander chamber and valve, the balance valve core is located in pilot valve chamber and upper end is provided with and fits through commander chamber
With the push rod of lower membrane cover, the balance valve core can move up along its axial direction in the presence of stage clip and close second and lead to
Hole, the valve gap is provided with one end connection commander chamber, and the other end connects the pressure channel of pressure chamber.
The utility model is further arranged to：The upside of the control diaphragm is connected with spring is adjusted, downside and push rod
One end is connected, and the other end of the push rod is mutually abutted with push rod.
The utility model is further arranged to：Sealing ring is provided between the valve element and sleeve.
The beneficial effects of the utility model：Regulation sealing of the direct-operated regulator that the utility model is provided to valve element is made
Improve, be provided with the sleeve for the upper and lower sliding of valve element on valve gap first, while being provided with valve seat be capable of achieving close with valve element
The inclined-plane that envelope coordinates, movement of the sleeve to valve element serve guide effect, make valve element be applied to the active force on valve seat it is uniform and
Balance, better tightness.
Description of the drawings
Fig. 1 is the cross-sectional view of minute-pressure direct-operated regulator in the utility model embodiment；
Fig. 2 is the cross-sectional view of valve gap in the utility model embodiment；
Fig. 3 is the cross-sectional view of valve element in the utility model embodiment；
Fig. 4 is the mplifying structure schematic diagram in the utility model Fig. 1 at A.
Illustrate in figure：1- valve bodies；11- valve prepass；Passage after 12- valves；2- valve seats；21- inclined-planes；3- valve elements；31- pressure
Chamber；32- grooves；4- valve gaps；41- sleeves；411- seal grooves；42- pressure channels；43- sealing rings；5- springs；6- pilot valve valves；
61- commands body；611- first through hole；The through holes of 612- second；613- third through-holes；62- commands chamber；The chambers of 621- first；622-
Second chamber；63- balance valve cores；631- push rods；64- stage clips；7- executing agencies；71- membrane cavities；The upper membrane covers of 711-；Membrane cover under 712-；
72- controls diaphragm；73- adjusts spring；74- push rods；
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to scope of the present utility model.
As shown in Figure 1 to Figure 3, a kind of direct-operated regulator, including main inlet control valve, pilot valve valve 6 and executing agency 7, institute
The lower end for stating pilot valve valve 6 is connected with main inlet control valve, and upper end is connected with executing agency 7, and the main inlet control valve includes valve body
1st, valve seat 2, valve element 3 and valve gap 4, the valve body 1 is provided with passage 12 after valve prepass 11 and valve, and the valve seat 2 can be with valve element 3
Sealing coordinates, and one end that the valve gap 4 is located on valve body 1 is provided with the sleeve 41 for being placed on valve element 3 and being connected with the adaptation of valve element 3,
It is provided between the valve element 3 and valve gap 4 in the pressure chamber 31 collectively formed by both, the pressure chamber 31 and is provided with spring 5, it is described
The active force that spring 5 can be provided valve element 3 towards the direction of valve seat 2 makes the sliding in sleeve 41 of valve element 3；The valve element 3 and the phase of valve seat 2
One end of contact is provided with groove 32, and the valve seat 2 is in a ring and upper surface is inclined-plane 21, and the valve element 3 can be moved towards the direction of valve seat 2
Move and be tightly connected with the inclined-plane 21 of valve seat 2.Further, as shown in Fig. 2 being provided with sealing ring between the valve element 3 and sleeve 41
43, the inner side of the sleeve 41 is provided with seal groove 411, and the sealing ring 43 is positioned in seal groove 411.The utility model is provided
Direct-operated regulator improvement is made that to the regulation of valve element 3 sealing, be provided with valve gap 4 first for valve element sliding about 3
Sleeve 41, while be provided with valve seat 2 being capable of achieving the inclined-plane 21 that sealing coordinates with valve element 3, movement of the sleeve 41 to valve element 3 rises
Guide effect is arrived, has been made active force that valve element 3 is applied on valve seat 2 uniform and is balanced, better tightness.
As shown in figure 4, the executing agency 7 includes what is formed by the upper membrane cover 711 for sealing against each other connection and lower membrane cover 712
Control diaphragm 72, regulation spring 73 and push rod 74 in membrane cavity 71 and membrane cavity 71.After the valve passage 12 by lower membrane cover 712 with
Membrane cavity 71 is connected, and the pilot valve valve 6 includes commander's body 61, commander chamber 62, balance valve core 63 and stage clip 64, the commander
The lower end of body 61 is tightly connected with the upper end of valve gap 4, and its upper end is tightly connected with lower membrane cover 712, on commander's body 61
It is communicated with commanding the first through hole 611 and the second through hole for connecting passage 12 after commander chamber 62 and valve in chamber 62 and valve prepass 11
612, the balance valve core 63 is located in pilot valve chamber 62 and upper end is provided with the push rod for fitting through commander chamber 62 and lower membrane cover 712
631, the balance valve core 63 can move up along its axial direction and close the second through hole 612, institute in the presence of stage clip 64
State valve gap 4 and be provided with one end connection commander chamber 62, the other end connects the pressure channel 42 of pressure chamber 31.The control diaphragm 72
Upside is connected with spring 73 is adjusted, and downside is connected with one end of push rod 74, and the other end of the push rod 74 is mutual with push rod 631
Abut.Commander's body 6 is with the addition of in regulating valve, can voluntarily according to the size of pressure-regulating valve door after and before the valve.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from the utility model know-why, some improvement and modification, above-mentioned vacation can also be made
If these improve and modification also should be regarded as protection domain of the present utility model.
Claims (4)
1. a kind of direct-operated regulator, including main inlet control valve, pilot valve valve and executing agency, the lower end of the pilot valve valve and master
Regulating valve is connected, and upper end is connected with executing agency, and the main inlet control valve includes valve body, valve seat, valve element and valve gap, the valve
Body is provided with passage after valve prepass and valve, and the valve seat can coordinate with seal spool, it is characterised in that：The valve gap is located at valve
One end on body is provided with the sleeve for being placed on valve element and being connected with valve element adaptation, and between the valve element and valve gap pressure chamber is provided with,
Spring is provided with the pressure chamber, the active force that the spring can be provided valve element towards valve seat direction makes valve element sliding in sleeve
Move；One end that the valve element contacts with valve seat is provided with groove, and the valve seat is in a ring and upper surface is inclined-plane, and the valve element can
It is tightly connected towards the movement of valve seat direction and with the upper surface of valve seat.
2. a kind of direct-operated regulator according to claim 1, it is characterised in that：The executing agency is included by mutually close
The upper membrane cover and lower film cap-shaped of envelope connection into membrane cavity and membrane cavity in control diaphragm, adjust spring and push rod.
3. a kind of direct-operated regulator according to claim 2, it is characterised in that：After the valve passage by lower membrane cover with
Membrane cavity is connected, and the pilot valve valve includes commander's body, commander chamber, balance valve core and stage clip, the lower end of commander's body
It is tightly connected with the upper end of valve gap, its upper end is connected with lower film cover seal, is communicated with commanding chamber and valve on commander's body
The first through hole of prepass and connect commander chamber and valve after passage the second through hole, the balance valve core be located at pilot valve chamber in and
Upper end is provided with the push rod for fitting through commander chamber and lower membrane cover, and the balance valve core can be in the presence of stage clip along its axial direction
The second through hole is moved up and closes, the valve gap is provided with one end connection commander chamber, and the pressure of other end connection pressure chamber leads to
Road.
4. a kind of direct-operated regulator according to claim 1, it is characterised in that：It is provided with close between the valve element and sleeve
Seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039540.1U CN206159585U (en) | 2016-08-29 | 2016-08-29 | Self -operated adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039540.1U CN206159585U (en) | 2016-08-29 | 2016-08-29 | Self -operated adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206159585U true CN206159585U (en) | 2017-05-10 |
Family
ID=58650096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621039540.1U Expired - Fee Related CN206159585U (en) | 2016-08-29 | 2016-08-29 | Self -operated adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206159585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139997A (en) * | 2018-09-29 | 2019-01-04 | 乐山市前沿油气设备制造有限公司 | Pressure regulator valve |
-
2016
- 2016-08-29 CN CN201621039540.1U patent/CN206159585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139997A (en) * | 2018-09-29 | 2019-01-04 | 乐山市前沿油气设备制造有限公司 | Pressure regulator valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The East Village Industrial Road in Yongjia County Oubei town Wenzhou city Zhejiang province 325000 No. 4 Patentee after: Zhejiang union automatic control valve Co., Ltd. Address before: The East Village Industrial Road in Yongjia County Oubei town Wenzhou city Zhejiang province 325000 No. 4 Patentee before: Yongjia auto control valve Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20190829 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |