CN220850842U - Fuel pressure regulating valve - Google Patents
Fuel pressure regulating valve Download PDFInfo
- Publication number
- CN220850842U CN220850842U CN202322693113.1U CN202322693113U CN220850842U CN 220850842 U CN220850842 U CN 220850842U CN 202322693113 U CN202322693113 U CN 202322693113U CN 220850842 U CN220850842 U CN 220850842U
- Authority
- CN
- China
- Prior art keywords
- valve
- pressure regulating
- boss
- ring
- fuel pressure
- 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.)
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Links
- 239000000446 fuel Substances 0.000 title claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 25
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses a fuel pressure regulating valve, which comprises a lower shell, wherein the upper end of the inner side of the lower shell is of a boss device structure, a connecting ring is arranged on the inner bottom surface of the lower shell, the inner side of the connecting ring is connected with a valve in a threaded connection mode, a through hole flow passage is arranged in the middle of the valve, an outlet joint communicated with the through hole flow passage of the valve is arranged in the center of the lower end of the lower shell, an inlet joint communicated with the inner side of the lower shell is arranged on one side of the lower shell, the upper end of the valve is of a boss shape, a filter screen is arranged between the upper surface of the connecting ring and the valve, the inner side of the lower shell is connected with an upper shell in a bolt connection mode, and an air inlet is arranged in the center of the upper end of the upper shell.
Description
Technical Field
The utility model relates to the technical field of fuel pressure regulating valves, in particular to a fuel pressure regulating valve.
Background
The fuel pressure regulating valve of the automobile is an important component part of an automobile oil pump assembly, is arranged on an oil return pipeline, and is used for regulating the pressure of redundant high-pressure fuel supplied to a fuel system of an automobile engine and then returning the fuel to an oil tank so that the fuel pump supplies fuel to the fuel system of the automobile engine again, but the existing fuel pressure regulating valve is complex in structure, the regulated pressure cannot be regulated at will, so that the purpose of universality cannot be realized, and the regulated pressure error is larger for the pressure regulating valve capable of being regulated through bolts, and the fuel cannot be filtered, so that the requirements of people cannot be met.
Disclosure of utility model
The utility model aims to overcome the existing defects, and provides the fuel pressure regulating valve which is simple in structure and convenient to operate, so that the pressure regulating effect is better, fuel can be filtered, the filter piece is more tightly connected, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fuel air-vent valve, includes the lower casing, and the inboard upper end of lower casing is boss device structure, and the inside bottom surface of lower casing has the go-between in addition, and the inboard of go-between is connected with the valve through threaded connection's mode, be equipped with the through-hole runner in the middle of the valve, and the lower extreme center of lower casing be equipped with the exit linkage of valve through-hole runner intercommunication, one side of lower casing be equipped with the inside intercommunication of lower casing the entrance joint, the upper end of valve is boss form, and still has the filter screen between go-between the upper surface of go-between and the valve, the inboard of lower casing is connected with the upper casing through bolted connection's mode, and the upper end center of upper casing is equipped with the air inlet, still have the gasket between the lower extreme of upper casing and the inboard boss of lower casing, be equipped with the diaphragm between the lower surface of diaphragm and the upper end laminating of valve, the inside top surface of upper casing is equipped with the gasket two, the upper end center of diaphragm is equipped with the spring holder, be equipped with between spring holder and the gasket two.
Further, a first sealing rubber ring is arranged between the lower end of the valve and the inner bottom surface of the lower shell, a groove corresponding to the first sealing rubber ring is arranged at the lower end of the valve, and the lower end of the valve is tightly connected with the inner side of the lower shell through the first sealing rubber ring.
Further, a second sealing rubber ring is arranged between the upper surface of the gasket and the lower surface of the upper shell, and a second sealing rubber ring is also arranged between the lower surface of the diaphragm and the boss of the lower shell.
Further, the filter screen comprises an annular net, a first rubber sealing ring is arranged at the edge of the inner side of the annular net, a reinforcing ring is arranged at the edge of the outer side of the annular net, and a second rubber sealing ring is arranged at the outer side of the reinforcing ring.
Compared with the prior art, the utility model has the beneficial effects that: through the air inlet external pressure gas connection on the last casing to this can extrude the diaphragm, with this purpose that can satisfy arbitrary regulation, make the filter screen more firm through the stiffening ring, can filter oil through the annular net, oil is more tight, makes the lower extreme of valve and the internal connection of casing more inseparabler down through sealed rubber ring one, this fuel air-vent valve, simple structure, it is easy and simple to handle, not only make to press the effect better, can adjust the size of pressure wantonly, and can filter the fuel, and the filter connection is inseparabler.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic view of a filter screen according to the present utility model.
In the figure: 1 upper shell, 2 second gasket, 3 spring, 4 spring seat, 5 gasket, 6 sealing rubber ring I, 7 valve, 8 filter screen, 81 annular net 82 rubber sealing ring I, 83 reinforcing ring, 84 rubber sealing ring II, 9 diaphragm, 10 sealing rubber ring II, 11 lower casing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the fuel pressure regulating valve comprises a lower shell 11, wherein the upper end of the inner side of the lower shell 11 is of a boss device structure, a connecting ring is arranged on the inner bottom surface of the lower shell 11, a valve 7 is connected to the inner side of the connecting ring in a threaded connection manner, a through hole flow passage is arranged in the middle of the valve 7, an outlet joint communicated with the through hole flow passage of the valve 7 is arranged in the center of the lower end of the lower shell 11, an inlet joint communicated with the inner side of the lower shell 11 is arranged on one side of the lower shell 11, the upper end of the valve 7 is in a boss shape, a filter screen 8 is arranged between the upper surface of the connecting ring and the valve 7, the inner side of the lower shell 11 is connected with an upper shell 1 in a bolt connection manner, an air inlet is arranged in the center of the upper end of the upper shell 1, a gasket 5 is further arranged between the lower end of the upper shell 1 and the boss of the lower shell 11, a diaphragm 9 is arranged between the lower surface of the gasket 5 and the boss of the lower shell 11, the lower surface of the diaphragm 9 is attached to the upper end of the valve 7, a gasket II 2 is arranged on the inner top surface of the upper shell 1, a spring seat 4 is arranged in the center of the upper end of the diaphragm 9, a spring 3 is arranged between the spring seat 4 and the gasket II 2, a first sealing rubber ring 6 is arranged between the lower end of the valve 7 and the inner bottom surface of the lower shell 11, a groove corresponding to the first sealing rubber ring 6 is arranged at the lower end of the valve 7, the lower end of the valve 7 is tightly connected with the inner side of the lower shell 11 through the first sealing rubber ring 6, a second sealing rubber ring 10 is arranged between the upper surface of the gasket 5 and the lower surface of the upper shell 1, a second sealing rubber ring 10 is also arranged between the lower surface of the diaphragm 9 and a boss of the lower shell 11, the filter screen 8 comprises an annular net 81, a first rubber sealing ring 82 is arranged at the inner edge of the annular net 81, a reinforcing ring 83 is arranged at the outer edge of the annular net 81, a second rubber sealing ring 84 is arranged at the outer side of the reinforcing ring 83, the fuel pressure regulating valve is simple in structure and convenient to operate, the pressure regulating effect is better, the pressure can be regulated at will, fuel can be filtered, and the filter element is connected more tightly.
When in use: through the outside pressure gas connection of air inlet on the upper casing 1 to this can extrude diaphragm 9, with this purpose that can satisfy arbitrary regulation, makes filter screen 8 more firm through stiffening ring 83, can filter oil through annular net 81, and oil is more tight, makes the lower extreme of valve 7 and the internal connection of lower casing 11 inseparabler through sealing rubber ring one 6.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present utility model.
Claims (4)
1. A fuel pressure regulating valve comprising a lower casing (11), characterized in that: the inside upper end of inferior valve body (11) is boss device structure, and the inside bottom surface of inferior valve body (11) has the go-between in addition, and the inboard of go-between is connected with valve (7) through threaded connection's mode, the centre of the lower extreme of valve (7) is equipped with the exit linkage with valve (7) through-hole runner intercommunication, one side of inferior valve body (11) is equipped with the entrance joint with the inside intercommunication of inferior valve body (11), the upper end of valve (7) is boss form, and still has filter screen (8) between the upper surface of go-between and valve (7), the inboard of inferior valve body (11) is connected with last casing (1) through bolted connection's mode, the upper end center of last casing (1) is equipped with the air inlet, still have gasket (5) between the lower extreme of going up the lower extreme of casing (1) and the inboard boss of inferior valve body (11), be equipped with diaphragm (9) between the boss of gasket (5), the lower surface of diaphragm (9) and the upper end laminating of valve body (7), the inside casing (1) is equipped with two spring holders (4), be equipped with between spring holder (4) and two spring holders (2).
2. The fuel pressure regulating valve according to claim 1, wherein: a first sealing rubber ring (6) is arranged between the lower end of the valve (7) and the inner bottom surface of the lower shell (11), and a groove corresponding to the first sealing rubber ring (6) is arranged at the lower end of the valve (7).
3. The fuel pressure regulating valve according to claim 1, wherein: a second sealing rubber ring (10) is arranged between the upper surface of the gasket (5) and the lower surface of the upper shell (1), and a second sealing rubber ring (10) is also arranged between the lower surface of the diaphragm (9) and the boss of the lower shell (11).
4. The fuel pressure regulating valve according to claim 1, wherein: the filter screen (8) comprises an annular net (81), a first rubber sealing ring (82) is arranged at the inner side edge of the annular net (81), a reinforcing ring (83) is arranged at the outer side edge of the annular net (81), and a second rubber sealing ring (84) is arranged at the outer side of the reinforcing ring (83).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322693113.1U CN220850842U (en) | 2023-10-09 | 2023-10-09 | Fuel pressure regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322693113.1U CN220850842U (en) | 2023-10-09 | 2023-10-09 | Fuel pressure regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850842U true CN220850842U (en) | 2024-04-26 |
Family
ID=90777781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322693113.1U Active CN220850842U (en) | 2023-10-09 | 2023-10-09 | Fuel pressure regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850842U (en) |
-
2023
- 2023-10-09 CN CN202322693113.1U patent/CN220850842U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |