CN202992305U - Dome combination pressure regulating valve - Google Patents
Dome combination pressure regulating valve Download PDFInfo
- Publication number
- CN202992305U CN202992305U CN 201220712168 CN201220712168U CN202992305U CN 202992305 U CN202992305 U CN 202992305U CN 201220712168 CN201220712168 CN 201220712168 CN 201220712168 U CN201220712168 U CN 201220712168U CN 202992305 U CN202992305 U CN 202992305U
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- China
- Prior art keywords
- dome
- regulating valve
- pressure
- valve
- pressure regulating
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Abstract
The utility model relates to the field of pressure regulating valves, in particular to a dome combination pressure regulating valve which comprises a dome, a regulating stem, a bonnet, a spring and a spool. A pressure plate is arranged in the dome, the dome is divided into an upper chamber and a lower chamber, an air inlet is arranged in the middle of the upper chamber, and the lower chamber is sealed; the regulating stem is arranged under the pressure plate, the bonnet is arranged under the regulating stem, and the spring and the spool are disposed in the bonnet. The dome combination pressure regulating valve with the structure has the advantages that the structure of the pressure regulating valve is optimized, the pressure regulating precision is improved, and the cost is lowered.
Description
Technical field
The utility model relates to the pressure regulator valve field, refers in particular to a kind of dome combined pressure-regulating valve.
Background technique
The load mechanism of more domestic pressure regulator valves part is all to adopt load on spring or dome load at present.In the pressure regulator valve of load on spring, spring can provide 2-20 under various thickness compressions, the outlet pressure of 000 psig, but thereby spring force can produce " wriggling " with compression variation make load non-constant, is subject to simultaneously extraneous shock and vibration and the impact of temperature; In the pressure governor of dome load, pressurize by pilot modulating valve gas in the dome district of sealing, the pressure of dome determines the outlet pressure of pressure regulator valve, the approximately ratio of 1:1, but this set must use one from exhaust pilot modulating valve, causes the cost of pressure regulator valve to increase and the space increase.
Therefore, the inventor makes further research this, develops a kind of dome combined pressure-regulating valve, and this case produces thus.
The model utility content
The purpose of this utility model is to provide a kind of dome combined pressure-regulating valve, has optimized structure, has improved the pressure regulation precision, has reduced cost.
To achieve these goals, the technical solution of the utility model is as follows:
A kind of dome combined pressure-regulating valve comprises dome, adjustable lever, valve gap, spring, spool; Comprise a compressing tablet in described dome, dome is divided into upper chamber and lower chambers, offer suction port in the middle of upper chamber, lower chambers seals; Compressing tablet has adjustable lever, is valve gap under adjustable lever, is provided with spring and spool in valve gap.
Further, described pressure regulator valve also comprises diaphragm, and described diaphragm is fastened on outside valve gap.
After adopting such scheme, the utility model compared with prior art has the following advantages:
By the variation of upper chamber's gas pressure, realize adjusting the variation of mouth pressure, simple in structure.
Description of drawings
Fig. 1 is schematic diagram of the present utility model;
Label declaration
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in the figure, a kind of dome combined pressure-regulating valve that the utility model discloses comprises dome 1, adjustable lever 2, valve gap 3, spring 4, spool 5, diaphragm 6; Be provided with a compressing tablet 11 in the middle of described dome 1, dome 1 is divided into upper chamber 12 and lower chambers 14, offer suction port 13 in the middle of upper chamber 12, lower chambers 14 seals, after upper chamber's 12 suction port 13 air inlet pressurizations, and can be with compressing tablet 11 toward pressing down.
Because compressing tablet 11 has adjustable lever 2, adjustable lever is for 2 times valve gap 3, is provided with spring 4 and spool 5 in valve gap 3, after compressing tablet 11 presses down, exerts pressure by 2 pairs of valve gaps 3 of adjustable lever, under the effect of diaphragm 6 and spring 4, realizes regulating inlet and outlet pressure.
Above-mentioned is only specific embodiment of the utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection domain.
Claims (2)
1. a dome combined pressure-regulating valve, is characterized in that: comprise dome, adjustable lever, valve gap, spring, spool; Comprise a compressing tablet in described dome, dome is divided into upper chamber and lower chambers, offer suction port in the middle of upper chamber, lower chambers seals; Compressing tablet has adjustable lever, is valve gap under adjustable lever, is provided with spring and spool in valve gap.
2. a kind of dome combined pressure-regulating valve according to claim 1, it is characterized in that: described pressure regulator valve also comprises diaphragm, described diaphragm is fastened on outside valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712168 CN202992305U (en) | 2012-12-20 | 2012-12-20 | Dome combination pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712168 CN202992305U (en) | 2012-12-20 | 2012-12-20 | Dome combination pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202992305U true CN202992305U (en) | 2013-06-12 |
Family
ID=48563485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220712168 Expired - Fee Related CN202992305U (en) | 2012-12-20 | 2012-12-20 | Dome combination pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202992305U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047460A (en) * | 2012-12-20 | 2013-04-17 | 浙江元曜阀业有限公司 | Combined dome pressure regulating valve |
-
2012
- 2012-12-20 CN CN 201220712168 patent/CN202992305U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047460A (en) * | 2012-12-20 | 2013-04-17 | 浙江元曜阀业有限公司 | Combined dome pressure regulating valve |
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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: 20130612 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |