CN217783751U - Pressure valve of fuel pump - Google Patents
Pressure valve of fuel pump Download PDFInfo
- Publication number
- CN217783751U CN217783751U CN202222652574.XU CN202222652574U CN217783751U CN 217783751 U CN217783751 U CN 217783751U CN 202222652574 U CN202222652574 U CN 202222652574U CN 217783751 U CN217783751 U CN 217783751U
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- valve
- valve body
- spring
- fuel pump
- pressure
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Abstract
The utility model provides a fuel pump's pressure valve for automobile engine oil feeding system, pressure valve includes valve gap, valve rod, bearing, valve body, spring and valve casing, and the hookup relationship wherein is: one end of the valve rod is fixedly connected with the valve body, and the other end of the valve rod is movably connected with the bearing; the valve cover is inserted and connected with the valve shell to form an accommodating space; spring, valve body, valve rod and bearing set gradually in the accommodation space, the one end of spring is connected the bottom of valve casing, the other end of spring is connected the valve body. This application adopts bearing guiding mechanism, and the valve body removes the skew not, and the draining is stable.
Description
Technical Field
The utility model relates to an automobile fuel pump annex specifically relates to an assembly stable performance's inside electronic fuel pump pressure valve of car.
Background
The electric fuel pump assembly is arranged on an automobile fuel tank and has the function of pipeline connection in an automobile fuel supply system. Gasoline in the oil tank is filtered by the filter screen, is conveyed into the fuel oil pipeline through the inner oil pipe and the oil outlet pipe by suction generated when the built-in gasoline pump core works, and after the consumption of an engine, the returned gasoline returns to the oil tank through the oil return pipe of the oil pump.
The pressure valve of the fuel pump in the prior art is assembled on a flange plate, and plays a role in keeping a preset oil pressure value in a system in an automobile fuel supply system, so that the fuel pump can be quickly started, and the oil pressure of the system can be adjusted when the oil pressure of an automobile fuel supply system is too high; the prior art pressure valves use valve bodies that lack support and deflect during opening and closing movements, affecting fuel drainage.
Thus, the prior art pressure valves also have a place to lift.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a fuel pump's pressure valve of stable performance to solve prior art's problem.
According to the utility model discloses an aspect provides a fuel pump's pressure valve for automobile engine oil feeding system, the pressure valve includes valve gap, valve rod, bearing, valve body, spring and valve casing, and the hookup relationship wherein is: one end of the valve rod is fixedly connected with the valve body, and the other end of the valve rod is movably connected with the bearing; the valve cover is inserted and connected with the valve shell to form an accommodating space; the spring, the valve body, the valve rod and the bearing are sequentially arranged in the accommodating space, one end of the spring is connected with the bottom of the valve casing, and the other end of the spring is connected with the valve body.
Preferably, the valve rod is a cylinder, and one end of the valve rod is inserted and fixed in the middle groove of the valve body.
Preferably, the pressure valve further comprises a filter screen, and the filter screen is covered and connected with the valve cover.
Preferably, the upper end of the valve cover is provided with an annular groove, an annular bulge is arranged at the position of the filter screen corresponding to the annular groove, and the annular bulge is covered and connected with the annular groove.
Preferably, the pressure valve further comprises a gasket disposed between the valve body and the spring.
Preferably, the pressure valve further comprises fluorine glue, and the fluorine glue is arranged on the valve body.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model adopts the bearing guide mechanism, the valve body does not move and is not deviated, and the oil drainage is stable;
2. the utility model discloses a gasket reduces the wearing and tearing of valve body, increases the life of product.
Of course, it is not necessary to implement any particular embodiment of the present invention to achieve all of the above technical effects at the same time.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a cut-away schematic view of a pressure valve of the present application;
fig. 2 is a exploded view of the pressure valve of the present application.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. All of which belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a cut-away schematic view and an exploded schematic view of a pressure valve of a fuel pump of the present application are provided for use in a system for supplying fuel to an engine of an automobile, for maintaining a predetermined oil pressure value inside the system, for enabling a quick start of the fuel pump and for adjusting the oil pressure of the system when the oil pressure of the fuel supply system of the automobile is too high; the pressure valve comprises a valve cover 1, a valve rod 2, a bearing 3, a valve body 4, a spring 5 and a valve casing 6, wherein the connection relationship is as follows: one end of the valve rod 2 is fixedly connected with the valve body 4, the other end of the valve rod 2 is movably connected with the bearing 3, the valve rod 2 is a cylinder, one end of the valve rod is inserted and fixed in a middle groove of the valve body 4, and the other end of the valve rod is arranged in the bearing 3 and can freely move.
In fig. 1, the valve cover 1 is inserted into and connected with the valve housing 6 to form a containing space, the valve cover 1 and the valve housing 6 are tightly connected and cannot be separated during operation, and when the pressure exceeds a set value, fuel flows from the valve cover 1 to the valve housing 6 and is discharged from a through hole at the bottom of the valve housing 6; before the valve cover 1 and the valve casing 6 are assembled, the spring 5, the valve body 4, the valve rod 2 and the bearing 3 are sequentially arranged in the accommodating space, the specific processing procedure is that the bearing 3 is firstly tightly connected in the valve cover 1, the valve rod 2 can be connected at a position, one end of the valve rod 2 is inserted and fixed in a middle groove of the valve body 4 and protrudes out of the upper surface of the valve body 4, after the assembly, one end of the spring 5 is connected with the bottom of the valve casing 6, the other end of the spring 5 is connected with the valve body 4, the other end of the valve rod 2 is arranged in a middle through hole of the bearing 3, and the spring 5 is in a compressed state and supports the valve body 4 against the end surface of the valve cover 1.
In order to ensure the air tightness, the pressure valve further comprises fluorine rubber 9, wherein the fluorine rubber 9 is arranged on the valve body 4, is specifically arranged on the upper surface of the valve body 4 and is arranged between the end surface of the valve cover 1 and the valve body 4, and plays an air tightness role of an accommodating space; in the embodiment of the application, the valve body 4 is made of plastic PPS and the fluorine rubber 9 is coated with rubber, so that the fluorine rubber 9 and the valve body 4 are firmly combined, and the sealing performance is improved. The fluorine rubber 9 has excellent heat resistance, and is characterized in that the fluorine rubber material has stable chemical properties, has better stability to the action of fuel and strong oxidant than other rubber, and can resist various chemical media; fluorine rubber 9 is also a material with excellent physical and mechanical properties in the rubber elastomer, has good advantages in tear strength and elongation at break, has small compression deformation rate, and can ensure the air tightness of the accommodating space.
In addition, the pressure valve still includes filter screen 7, filter screen 7 lid closes and connects valve cover 1, as shown in fig. 1, annular slot is seted up to valve cover 1's upper end, and filter screen 7 corresponds annular slot then is equipped with the annular arch, during the assembly, the protruding lid of annular closes and connects annular slot will filter screen 7 and valve cover 1 combines, before the fuel gets into the accommodation space, through impurity is kept apart in filter screen 7's effect.
In addition, in order to increase the wear resistance of the valve body 4, the pressure valve of the present application further includes a gasket 8, the gasket 8 is disposed between the valve body 4 and the spring 5, as shown in fig. 1, the gasket 8 is sleeved on the bottom cylindrical portion connected to the valve body 4 and abuts against the bottom step of the valve body 4, after assembly, the spring 5 does not directly contact the valve body 4 but presses on the gasket 8, the gasket 8 is made of stainless steel material and can resist the wear of the spring 5, the valve body 4 is protected by the gasket 8 to reduce the wear, and the service life is prolonged.
As shown in fig. 1 and fig. 2, in order to improve the air tightness between the pressure valve and the external connecting member, the pressure valve further comprises a sealing ring 10, an annular groove is formed in the valve cover 1, the sealing ring 10 is sleeved and connected with the annular groove, and after the connection, the outer edge of the sealing ring 10 protrudes out of the annular groove to have an air tightness function when being extruded by the external connecting member.
It should be noted that in the description of the embodiments of the present application, the terms "front, back", "left, right", "upper, lower", and the like indicate orientations or positional relationships based on those shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present application. The terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model adopts the bearing guide mechanism, the valve body does not move and is not deviated, and the oil drainage is stable;
2. the utility model discloses a gasket reduces the wearing and tearing of valve body, increases the life of product.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the essential spirit of the invention.
Claims (6)
1. The utility model provides a pressure valve of fuel pump for give automobile engine oil feeding system, its characterized in that, pressure valve includes valve gap, valve rod, bearing, valve body, spring and valve casing, and wherein the connection relation is: one end of the valve rod is fixedly connected with the valve body, and the other end of the valve rod is movably connected with the bearing; the valve cover is inserted and connected with the valve shell to form an accommodating space; the spring, the valve body, the valve rod and the bearing are sequentially arranged in the accommodating space, one end of the spring is connected with the bottom of the valve casing, and the other end of the spring is connected with the valve body.
2. The pressure valve of a fuel pump according to claim 1, wherein the valve stem is a cylindrical body, and one end of the valve stem is inserted and fixed in the middle groove of the valve body.
3. The pressure valve of a fuel pump of claim 2, further comprising a screen covering the valve cap.
4. The pressure valve of the fuel pump as claimed in claim 3, wherein an annular groove is formed at an upper end of the valve cover, an annular protrusion is formed at a position of the filter screen corresponding to the annular groove, and the annular protrusion covers and connects with the annular groove.
5. The pressure valve of the fuel pump according to claim 4, characterized in that the pressure valve further comprises a gasket, the gasket being disposed between the valve body and the spring.
6. The pressure valve of a fuel pump according to claim 5, characterized in that the pressure valve further comprises fluorine glue, the fluorine glue being provided on the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222652574.XU CN217783751U (en) | 2022-10-10 | 2022-10-10 | Pressure valve of fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222652574.XU CN217783751U (en) | 2022-10-10 | 2022-10-10 | Pressure valve of fuel pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217783751U true CN217783751U (en) | 2022-11-11 |
Family
ID=83906017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222652574.XU Active CN217783751U (en) | 2022-10-10 | 2022-10-10 | Pressure valve of fuel pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217783751U (en) |
-
2022
- 2022-10-10 CN CN202222652574.XU patent/CN217783751U/en active Active
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| GR01 | Patent grant |