CN202371244U - Pressure regulation valve - Google Patents
Pressure regulation valve Download PDFInfo
- Publication number
- CN202371244U CN202371244U CN2011205531935U CN201120553193U CN202371244U CN 202371244 U CN202371244 U CN 202371244U CN 2011205531935 U CN2011205531935 U CN 2011205531935U CN 201120553193 U CN201120553193 U CN 201120553193U CN 202371244 U CN202371244 U CN 202371244U
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- China
- Prior art keywords
- valve
- valve seat
- diaphragm
- spring
- seat
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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 - Lifetime
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Abstract
The utility model relates to a pressure regulation valve, which comprises a valve cover, a valve body, a valve seat, a valve core assembly, a diaphragm, a diaphragm spring and a spring seat. The valve cover and the valve body are fixedly connected through pressing riveting at the position of the diaphragm, the valve core assembly is fixedly connected with the diaphragm and the spring seat, and the diaphragm spring is arranged in the valve cover. One end of the diaphragm spring acts on the diaphragm through the spring seat, the other end of the diaphragm spring is contacted with the bottom surface of the valve cover, and the sealing surface of the valve core assembly is in pressure contact with the sealing end of the valve seat under the action of the diaphragm spring. The valve seat is arranged on a valve seat support which is inserted into the valve body and fixedly connected with the valve body in a sealed mode. The valve seat support and the valve seat are respectively provided with a first oil outlet hole and a second oil outlet hole along the axial direction, the valve seat and the valve seat support are in clearance fit along the axial direction, and the diameter of the first oil outlet hole is larger than that of the second oil outlet hole. A through hole is arranged on the end face of the valve cover, and the position of the valve seat can be regulated along the axial direction of the valve seat support. The pressure regulation valve has the advantages that the position of the valve seat in the valve seat support can be regulated, so that the compression amount of the diaphragm spring can be changed, the opening pressure of the pressure regulation valve can meet the requirements of a fuel system, and the percent of pass of the pressure regulation valve can be greatly improved.
Description
Technical field
The utility model relates to a kind of modulating valve, relates in particular to the pressure regulator valve in a kind of vehicle fuel system.
Background technique
The pressure regulator valve of existing technology comprises valve gap, valve body, valve seat, mangetic core assembly, diaphragm, diaphragm spring and spring seat, and valve gap presses at the diaphragm place with valve body and is fixedly connected; Mangetic core assembly is fixedly connected with spring seat with diaphragm, and diaphragm spring is arranged in the valve gap, and an end of diaphragm spring acts on the diaphragm through spring seat; The other end contacts with the bottom surface of valve gap; The sealing surface of mangetic core assembly contacts with the sealed end pressure of valve seat under the effect of diaphragm spring, and valve seat is arranged on the valve seat support, and the valve seat support inserts in the valve body and with valve seal and is fixedly connected; On the valve seat support, be provided with and be used for the oil outlet that fuel oil is gone out; On valve body, be provided with the oil nozzle joint and the oil intake nozzle that are used for the fuel oil entering, the valve seat of existing technology is fixedly installed on the valve seat support, and the position can not be regulated; Because there are error in the dimensional accuracy of elastic force, valve gap and the valve body of diaphragm spring and the rigging position of press position and valve seat support, there is the shortcoming that stability is bad, up-to-standard rate is low in the pressure of build-up of pressure modulating valve.
The model utility content
The purpose of the utility model is the deficiency that overcomes existing technology, provides a kind of adjustable in pressure and up-to-standard rate high pressure regulator valve.
To achieve these goals, the technical solution of the utility model is such: a kind of pressure regulator valve comprises valve gap, valve body, valve seat, mangetic core assembly, diaphragm, diaphragm spring and spring seat; Valve gap presses at the diaphragm place with valve body and is fixedly connected, and mangetic core assembly is fixedly connected with spring seat with diaphragm, and diaphragm spring is arranged in the valve gap; One end of diaphragm spring acts on the diaphragm through spring seat; The other end contacts with the bottom surface of valve gap, and the sealing surface of mangetic core assembly contacts with the sealed end pressure of valve seat under the effect of diaphragm spring, and valve seat is arranged on the valve seat support; The valve seat support inserts in the valve body and with valve seal and is fixedly connected; Valve seat support and valve seat are respectively equipped with oil outlet one and oil outlet two vertically, on the valve seat support, also are provided with oil outlet, on valve body, are provided with to be used for oil nozzle joint and the oil intake nozzle that fuel oil gets into; Described valve seat and valve seat support be interference fit vertically; The diameter of oil outlet one is greater than the diameter of oil outlet two, is provided with through hole at the end face of valve gap, and valve seat can be along the axial adjustment position of valve seat support.
The beneficial effect of the utility model is: valve seat can be regulated with instrument through the through hole on oil outlet on the valve seat support one or the valve gap in the position in the valve seat support; Thereby change the decrement of diaphragm spring; Make the cracking pressure of pressure regulator valve reach the requirement of oil-fired system, improved the up-to-standard rate of pressure regulator valve greatly.
Description of drawings
Fig. 1 is the utility model embodiment's a structure sectional view.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
As shown in Figure 1, a kind of pressure regulator valve comprises valve gap 11, valve body 6, valve seat 3, mangetic core assembly 14, diaphragm 13, diaphragm spring 10 and spring seat 12; Valve gap 11 presses at the diaphragm place with valve body 6 and is fixedly connected, and mangetic core assembly 14 is fixedly connected with spring seat 12 with diaphragm 13, and diaphragm spring 10 is arranged in the valve gap 11; One end of diaphragm spring 10 acts on the diaphragm 13 through spring seat 12; The other end contacts with the bottom surface of valve gap 11, and the sealing surface of mangetic core assembly 14 contacts with the sealed end pressure of valve seat 3 under the effect of diaphragm spring 10, and valve seat 3 is arranged on the valve seat support 2; Valve seat support 2 inserts in the valve body 6 and with valve body 6 and is sealedly and fixedly connected; Valve seat support 2 is respectively equipped with oil outlet 1 and oil outlet 2 16 vertically with valve seat 3, on valve seat support 2, also is provided with oil outlet 1, on valve body 6, is provided with to be used for the oil nozzle joint 4 and oil intake nozzle 5 that fuel oil gets into; Described valve seat 3 and valve seat support 2 be interference fit vertically; The diameter of oil outlet 1 is greater than the diameter of oil outlet 2 16, is provided with through hole 17 at the end face of valve gap 11, and valve seat 3 can be along the axial adjustment position of valve seat support 2.Its adjustment process is following: oil outlet 1 is not adorned earlier, when test pressure during greater than rated pressure, beats mangetic core assembly 14 through through hole 17 usefulness instruments, regulates the position of valve seat 3 inwards; When test pressure during less than rated pressure, directly beat valve seat 3 through oil outlet one 15 usefulness instruments, outwards regulate the position of valve seat 3.
Described mangetic core assembly 14 comprises section steel ball 7, valve core case 9 and a spring 8; Valve core case 9 is fixedly connected with spring seat 12 with diaphragm 13; Valve core case 9 is provided with spherical groove and endoporus, cuts steel ball 7 and places spherical groove versatilely, and spring 8 places endoporus; One end of spring 8 acts on and cuts on the steel ball 7, and the other end contacts with the bottom surface of endoporus.
Fluid is pushed open then and is cut a steel ball 7 by the airtight die cavity of oil intake nozzle 5 entering valve bodies 6, flows out through valve seat 3, valve seat support 2 and oil outlet 1.The useful area of the elastic force of diaphragm spring 10 and diaphragm 13 has determined the pressure of oil intake nozzle fluid.
In oil-fired system, the effect of pressure regulator valve is to guarantee that the fluid pressure that electric fuel punp offers oil-fired system is stable.
Claims (2)
1. a pressure regulator valve comprises valve gap, valve body, valve seat, mangetic core assembly, diaphragm, diaphragm spring and spring seat, and valve gap presses at the diaphragm place with valve body and is fixedly connected; Mangetic core assembly is fixedly connected with spring seat with diaphragm, and diaphragm spring is arranged in the valve gap, and an end of diaphragm spring acts on the diaphragm through spring seat; The other end contacts with the bottom surface of valve gap, and the sealing surface of mangetic core assembly contacts with the sealed end pressure of valve seat under the effect of diaphragm spring, and valve seat is arranged on the valve seat support; The valve seat support inserts in the valve body and with valve seal and is fixedly connected; Valve seat support and valve seat are respectively equipped with oil outlet one and oil outlet two vertically, on the valve seat support, also are provided with oil outlet, on valve body, are provided with to be used for oil nozzle joint and the oil intake nozzle that fuel oil gets into; It is characterized in that: described valve seat and valve seat support be interference fit vertically; The diameter of oil outlet one is greater than the diameter of oil outlet two, is provided with through hole at the end face of valve gap, and valve seat can be along the axial adjustment position of valve seat support.
2. a kind of pressure regulator valve according to claim 1; It is characterized in that: described mangetic core assembly comprises section steel ball, valve core case and a spring, and valve core case is fixedly connected with spring seat with diaphragm, and valve core case is provided with spherical groove and endoporus; Cut steel ball and place spherical groove versatilely; Spring places endoporus, and an end of spring acts on and cuts on the steel ball, and the other end contacts with the bottom surface of endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205531935U CN202371244U (en) | 2011-12-14 | 2011-12-14 | Pressure regulation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205531935U CN202371244U (en) | 2011-12-14 | 2011-12-14 | Pressure regulation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202371244U true CN202371244U (en) | 2012-08-08 |
Family
ID=46594948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205531935U Expired - Lifetime CN202371244U (en) | 2011-12-14 | 2011-12-14 | Pressure regulation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202371244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817705A (en) * | 2012-09-04 | 2012-12-12 | 芜湖杰锋汽车动力***有限公司 | Mechanical supercharger structure with decompression function |
| CN110469438A (en) * | 2019-09-24 | 2019-11-19 | 江西大乘汽车工业有限公司 | A kind of electric fuel pump assembly structure |
-
2011
- 2011-12-14 CN CN2011205531935U patent/CN202371244U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817705A (en) * | 2012-09-04 | 2012-12-12 | 芜湖杰锋汽车动力***有限公司 | Mechanical supercharger structure with decompression function |
| CN102817705B (en) * | 2012-09-04 | 2014-04-30 | 杰锋汽车动力***股份有限公司 | Mechanical supercharger structure with decompression function |
| CN110469438A (en) * | 2019-09-24 | 2019-11-19 | 江西大乘汽车工业有限公司 | A kind of electric fuel pump assembly structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |
|
| CX01 | Expiry of patent term |