CN200943818Y - Differential pressure valve - Google Patents
Differential pressure valve Download PDFInfo
- Publication number
- CN200943818Y CN200943818Y CN 200620092984 CN200620092984U CN200943818Y CN 200943818 Y CN200943818 Y CN 200943818Y CN 200620092984 CN200620092984 CN 200620092984 CN 200620092984 U CN200620092984 U CN 200620092984U CN 200943818 Y CN200943818 Y CN 200943818Y
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- Prior art keywords
- valve
- pressure reduction
- valve body
- voltage control
- cast
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000008676 import Effects 0.000 claims description 12
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000001105 regulatory effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
A differential pressure valve is provided, which is characterized in that the differential pressure valve (1) is arranged between a system pipeline (2) and a control pipeline (3) through a pipeline. The differential pressure valve can sense the difference value of two pressures to realize the self regulation of the system working pressure. Because of the mechanical structure, the differential pressure valve has reliable system work, small volume, light weight, low processing cost, convenience for installation, simple maintenance, long service life, and is applicable to any environment, thereby the differential pressure valve can be extensively used in the pipelines which require the pressure regulation and control.
Description
Technical field
The utility model relates to mechanical field, and a kind of pressure reduction valve is provided especially.
Background technique
Pressure in liquids in general or the gas piping system is regulated, control, and is commonly used to pressure regulating valve.But this valve can only be experienced single pressure and regulates, if when needing the difference of two pressure to regulate, conventional pressure regulating valve just can't be competent at.
When the difference of two pressure of need is come the pressure of control system, change conventional pressure regulating valve into the pressure reduction valve, the pressure P in the system is regulated automatically with the difference realization of P1, P2.
The model utility content
The purpose of this utility model has provided a kind of pressure differential valve that can realize coming by the difference of two pressure control system pressure.
A kind of pressure reduction valve is characterized in that: described a kind of pressure reduction valve (1) is installed between system pipeline (2) and the pilot line (3) by pipeline.
Described a kind of pressure reduction valve (1) comprises valve cast (101), valve base (102), valve (103), valve body (104), low voltage control joint (105), high voltage control joint (106), import (107), outlet (108), loam cake (109);
Its valve cast (101) is installed on the valve body (104) by screw thread, the big end of valve base (102) closely contacts installation with the inwall of an end of valve cast (101), overlapping on the small end can axially movable valve (103), low voltage control joint (105) is installed in the top of valve body (104) side, high voltage control joint (106) is installed in the bottom of valve body (104) side, import (107) is installed in the bottom of valve body (104) by screw thread, outlet (108) is installed in the side of valve body (104) by screw thread, and loam cake (109) is installed in the other end of valve cast (101) by screw thread.
Described a kind of pressure reduction valve (1) also comprises adjustment nail (110) that is used to adjust valve base (102) position and the elastic element (104) that valve (103) is resetted; It is adjusted nail (110) and is installed in the top of loam cake (109) by screw thread, and elastic element (104) is installed between valve base (102) and the valve (103).
Described elastic element (104) is the silk spring or is spring sheet.
Between described loam cake (109) and the valve cast (101) seal ring is housed, 2 to 6 seal rings are housed between valve cast (101) and the valve body (104), between low voltage control joint (105) and the valve body (104) seal ring is housed, between high voltage control joint (106) and the valve body (104) seal ring is housed.
The working principle of a kind of pressure reduction valve described in the utility model is as follows:
The high and low pressure pilot line links to each other with low voltage control joint (105) with high voltage control joint (106) respectively, adjust the pressure medium in the high and low pressure pilot line, valve (103) is moved vertically, and then outlet (108) size is changed, play the pressure of medium in the adjust system.
Advantage of the present utility model:
Described a kind of pressure reduction valve can be experienced the difference of 2 pressure, realizes the automatic adjusting of system works pressure, owing to be mechanical structure, system works is reliable, and volume is little, in light weight, processing cost is low, easy for installation, safeguard simply, can adapt to various environment, long service life.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail.
Fig. 1 installs sketch for the pressure reduction valve system;
Fig. 2 is pressure reduction valve overall structure figure.
Embodiment
A kind of pressure reduction valve is characterized in that: described a kind of pressure reduction valve (1) is installed between system pipeline (2) and the pilot line (3) by pipeline.
Described a kind of pressure reduction valve (1) comprises valve cast (101), valve base (102), valve (103), valve body (104), low voltage control joint (105), high voltage control joint (106), import (107), outlet (108), loam cake (109);
Its valve cast (101) is installed on the valve body (104) by screw thread, the big end of valve base (102) closely contacts installation with the inwall of an end of valve cast (101), overlapping on the small end can axially movable valve (103), low voltage control joint (105) is installed in the top of valve body (104) side, high voltage control joint (106) is installed in the bottom of valve body (104) side, import (107) is installed in the bottom of valve body (104) by screw thread, outlet (108) is installed in the side of valve body (104) by screw thread, and loam cake (109) is installed in the other end of valve cast (101) by screw thread.
Described a kind of pressure reduction valve (1) also comprises adjustment nail (110) that is used to adjust valve base (102) position and the elastic element (104) that valve (103) is resetted; It is adjusted nail (110) and is installed in the top of loam cake (109) by screw thread, and elastic element (104) is installed between valve base (102) and the valve (103).
Described elastic element (104) is the silk spring.
Between described loam cake (109) and the valve cast (101) seal ring is housed, between valve cast (101) and the valve body (104) 4 seal rings are housed, between low voltage control joint (105) and the valve body (104) seal ring is housed, between high voltage control joint (106) and the valve body (104) seal ring is housed.
A kind of pressure reduction valve is characterized in that: described a kind of pressure reduction valve (1) is installed between system pipeline (2) and the pilot line (3) by pipeline.
Described a kind of pressure reduction valve (1) comprises valve cast (101), valve base (102), valve (103), valve body (104), low voltage control joint (105), high voltage control joint (106), import (107), outlet (108), loam cake (109);
Its valve cast (101) is installed on the valve body (104) by screw thread, the big end of valve base (102) closely contacts installation with the inwall of an end of valve cast (101), overlapping on the small end can axially movable valve (103), low voltage control joint (105) is installed in the top of valve body (104) side, high voltage control joint (106) is installed in the bottom of valve body (104) side, import (107) is installed in the bottom of valve body (104) by screw thread, outlet (108) is installed in the side of valve body (104) by screw thread, and loam cake (109) is installed in the other end of valve cast (101) by screw thread.
Described a kind of pressure reduction valve (1) also comprises adjustment nail (110) that is used to adjust valve base (102) position and the elastic element (104) that valve (103) is resetted; It is adjusted nail (110) and is installed in the top of loam cake (109) by screw thread, and elastic element (104) is installed between valve base (102) and the valve (103).
Described elastic element (104) is a spring sheet.
Between described loam cake (109) and the valve cast (101) seal ring is housed, between valve cast (101) and the valve body (104) 4 seal rings are housed, between low voltage control joint (105) and the valve body (104) seal ring is housed, between high voltage control joint (106) and the valve body (104) seal ring is housed.
Embodiment 3
A kind of pressure reduction valve is characterized in that: described a kind of pressure reduction valve (1) is installed between system pipeline (2) and the pilot line (3) by pipeline.
Described a kind of pressure reduction valve (1) comprises valve cast (101), valve base (102), valve (103), valve body (104), low voltage control joint (105), high voltage control joint (106), import (107), outlet (108), loam cake (109);
Its valve cast (101) is installed on the valve body (104) by screw thread, the big end of valve base (102) closely contacts installation with the inwall of an end of valve cast (101), overlapping on the small end can axially movable valve (103), low voltage control joint (105) is installed in the top of valve body (104) side, high voltage control joint (106) is installed in the bottom of valve body (104) side, import (107) is installed in the bottom of valve body (104) by screw thread, outlet (108) is installed in the side of valve body (104) by screw thread, and loam cake (109) is installed in the other end of valve cast (101) by screw thread.
Described a kind of pressure reduction valve (1) also comprises adjustment nail (110) that is used to adjust valve base (102) position and the elastic element (104) that valve (103) is resetted; It is adjusted nail (110) and is installed in the top of loam cake (109) by screw thread, and elastic element (104) is installed between valve base (102) and the valve (103).
Described elastic element (104) is the silk spring.
Between described loam cake (109) and the valve cast (101) seal ring is housed, between valve cast (101) and the valve body (104) 6 seal rings are housed, between low voltage control joint (105) and the valve body (104) seal ring is housed, between high voltage control joint (106) and the valve body (104) seal ring is housed.
Embodiment 4
A kind of pressure reduction valve is characterized in that: described a kind of pressure reduction valve (1) is installed between system pipeline (2) and the pilot line (3) by pipeline.
Described a kind of pressure reduction valve (1) comprises valve cast (101), valve base (102), valve (103), valve body (104), low voltage control joint (105), high voltage control joint (106), import (107), outlet (108), loam cake (109);
Its valve cast (101) is installed on the valve body (104) by screw thread, the big end of valve base (102) closely contacts installation with the inwall of an end of valve cast (101), overlapping on the small end can axially movable valve (103), low voltage control joint (105) is installed in the top of valve body (104) side, high voltage control joint (106) is installed in the bottom of valve body (104) side, import (107) is installed in the bottom of valve body (104) by screw thread, outlet (108) is installed in the side of valve body (104) by screw thread, and loam cake (109) is installed in the other end of valve cast (101) by screw thread.
Described a kind of pressure reduction valve (1) also comprises adjustment nail (110) that is used to adjust valve base (102) position and the elastic element (104) that valve (103) is resetted; It is adjusted nail (110) and is installed in the top of loam cake (109) by screw thread, and elastic element (104) is installed between valve base (102) and the valve (103).
Described elastic element (104) is a spring sheet.
Between described loam cake (109) and the valve cast (101) seal ring is housed, between valve cast (101) and the valve body (104) 6 seal rings are housed, between low voltage control joint (105) and the valve body (104) seal ring is housed, between high voltage control joint (106) and the valve body (104) seal ring is housed.
Claims (6)
1, a kind of pressure reduction valve is characterized in that: described a kind of pressure reduction valve (1) is installed between system pipeline (2) and the pilot line (3) by pipeline.
2, according to the described a kind of pressure reduction valve of claim 1, it is characterized in that: described a kind of pressure reduction valve (1) comprises valve cast (101), valve base (102), valve (103), valve body (104), low voltage control joint (105), high voltage control joint (106), import (107), outlet (108), loam cake (109);
Its valve cast (101) is installed on the valve body (104) by screw thread, the big end of valve base (102) closely contacts installation with the inwall of an end of valve cast (101), overlapping on the small end can axially movable valve (103), low voltage control joint (105) is installed in the top of valve body (104) side, high voltage control joint (106) is installed in the bottom of valve body (104) side, import (107) is installed in the bottom of valve body (104) by screw thread, outlet (108) is installed in the side of valve body (104) by screw thread, and loam cake (109) is installed in the other end of valve cast (101) by screw thread.
3, according to claim 1 or 2 described a kind of pressure reduction valve, it is characterized in that: described a kind of pressure reduction valve (1) also comprises adjustment nail (110) that is used to adjust valve base (102) position and the elastic element (104) that valve (103) is resetted; It is adjusted nail (110) and is installed in the top of loam cake (109) by screw thread, and elastic element (104) is installed between valve base (102) and the valve (103).
4, according to the described a kind of pressure reduction valve of claim 3, it is characterized in that: described elastic element (104) is the silk spring.
5, according to the described a kind of pressure reduction valve of claim 3, it is characterized in that: described elastic element (104) is a spring sheet.
6, according to the described a kind of pressure reduction valve of claim 3, it is characterized in that: between described loam cake (109) and the valve cast (101) seal ring is housed, 2 to 6 seal rings are housed between valve cast (101) and the valve body (104), between low voltage control joint (105) and the valve body (104) seal ring is housed, between high voltage control joint (106) and the valve body (104) seal ring is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620092984 CN200943818Y (en) | 2006-08-30 | 2006-08-30 | Differential pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620092984 CN200943818Y (en) | 2006-08-30 | 2006-08-30 | Differential pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200943818Y true CN200943818Y (en) | 2007-09-05 |
Family
ID=38718453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620092984 Expired - Fee Related CN200943818Y (en) | 2006-08-30 | 2006-08-30 | Differential pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200943818Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644309A (en) * | 2017-02-10 | 2017-05-10 | 中国航发沈阳发动机研究所 | Differential pressure adjusting valve testing device and testing method |
| CN109654078A (en) * | 2017-10-11 | 2019-04-19 | 中国航发西安动力控制科技有限公司 | A kind of differential pressure valve component with fuel oil specific gravity debugging functions |
| CN111911381A (en) * | 2020-07-26 | 2020-11-10 | 中国航发贵州红林航空动力控制科技有限公司 | Nozzle differential pressure valve mechanism with damping piston |
| CN112392604A (en) * | 2020-10-30 | 2021-02-23 | 中国航发西安动力控制科技有限公司 | Oil drainage valve device and oil drainage method |
| CN113983342A (en) * | 2021-10-29 | 2022-01-28 | 中国航发沈阳发动机研究所 | Pressure regulating valve structure with anti-pollution capability |
| CN114215647A (en) * | 2021-11-29 | 2022-03-22 | 中国航发沈阳发动机研究所 | Mechanical valve capable of adaptively switching air sources |
-
2006
- 2006-08-30 CN CN 200620092984 patent/CN200943818Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106644309A (en) * | 2017-02-10 | 2017-05-10 | 中国航发沈阳发动机研究所 | Differential pressure adjusting valve testing device and testing method |
| CN106644309B (en) * | 2017-02-10 | 2019-10-22 | 中国航发沈阳发动机研究所 | A kind of tune differential pressure valve experimental rig and test method |
| CN109654078A (en) * | 2017-10-11 | 2019-04-19 | 中国航发西安动力控制科技有限公司 | A kind of differential pressure valve component with fuel oil specific gravity debugging functions |
| CN109654078B (en) * | 2017-10-11 | 2020-09-22 | 中国航发西安动力控制科技有限公司 | Differential pressure valve assembly with fuel specific gravity correction function |
| CN111911381A (en) * | 2020-07-26 | 2020-11-10 | 中国航发贵州红林航空动力控制科技有限公司 | Nozzle differential pressure valve mechanism with damping piston |
| CN111911381B (en) * | 2020-07-26 | 2022-12-06 | 中国航发贵州红林航空动力控制科技有限公司 | Nozzle differential pressure valve mechanism with damping piston |
| CN112392604A (en) * | 2020-10-30 | 2021-02-23 | 中国航发西安动力控制科技有限公司 | Oil drainage valve device and oil drainage method |
| CN113983342A (en) * | 2021-10-29 | 2022-01-28 | 中国航发沈阳发动机研究所 | Pressure regulating valve structure with anti-pollution capability |
| CN114215647A (en) * | 2021-11-29 | 2022-03-22 | 中国航发沈阳发动机研究所 | Mechanical valve capable of adaptively switching air sources |
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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: 20070905 Termination date: 20140830 |
|
| EXPY | Termination of patent right or utility model |