CN213360282U - Double-stage pressure control valve for automobile fuel pump - Google Patents
Double-stage pressure control valve for automobile fuel pump Download PDFInfo
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- CN213360282U CN213360282U CN202021978976.3U CN202021978976U CN213360282U CN 213360282 U CN213360282 U CN 213360282U CN 202021978976 U CN202021978976 U CN 202021978976U CN 213360282 U CN213360282 U CN 213360282U
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Abstract
The utility model discloses a car fuel pump doublestage pressure control valve, including the control valve main part, the control valve main part mainly comprises valve body working of plastics, joint working of plastics and oil pressure air-vent valve, connect the one end of working of plastics fixed mounting at the valve body working of plastics, the inside one-way valve block that is equipped with an elasticity activity of oil pressure air-vent valve to oil pressure air-vent valve fixed mounting is in the upper end of valve body working of plastics. Automobile fuel pump doublestage pressure control valve, belong to oil circuit pressure control valve field, through improving ordinary control valve structure, the oil pressure air-vent valve that comprises air-vent valve shell, air-vent valve spring, one-way valve block and air-vent valve inner shell in upper end fixed mounting of valve body working of plastics, when pipeline internal pressure risees and the unable action of external control module is adjusted, oil pressure direct action is in the oil pressure air-vent valve, utilizes mechanical structure control part fuel to let out via the oil pressure air-vent valve to reduce the pipeline oil pressure, protect relevant pipeline.
Description
Technical Field
The utility model relates to an oil circuit pressure control valve field, in particular to car fuel pump doublestage pressure control valve.
Background
The pressure of the existing fuel system adjusts the output power of the fuel pump within a certain duty ratio range through a fuel pump control module, and the pressure stability of a fuel pipeline is maintained. When pipeline blockage or fuel pump control module damaged, pipeline internal pressure rose, when pressure was higher than fuel pressure control valve, fuel pressure control valve opened and makes fuel flow from the pressure valve, prevent that the too high damage of pressure fuel pipeline and relevant accessory, play the effect of high pressure protection, but this kind of control mode is too high to electronic fuel pump performance requirement, difficult satisfying, it is high to make and use cost, if electronic fuel pump parameter and fuel pump control module mismatch a little, high pressure warning appears easily.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides car fuel pump doublestage pressure control valve can effectively solve the problem of mentioning in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-stage pressure control valve of an automobile fuel pump comprises a control valve main body, wherein the control valve main body mainly comprises a valve body plastic part, a joint plastic part and an oil pressure regulating valve, the joint plastic part is fixedly arranged at one end of the valve body plastic part, an elastic movable one-way valve plate is arranged inside the oil pressure regulating valve, and the oil pressure regulating valve is fixedly arranged at the upper end of the valve body plastic part.
Preferably, the valve body plastic part and the joint plastic part are integrally formed components, two ends of the valve body plastic part and two ends of the joint plastic part are respectively provided with a joint of a connecting pipeline, the left side of the valve body plastic part is provided with a first interface, the right side of the joint plastic part is provided with an inner joint of an integrally formed structure, and the joint plastic part is connected with the first interface on the valve body plastic part in an interference assembly mode.
Preferably, the upper end of the valve body plastic part is additionally provided with a second connector, and the bottom of the oil pressure regulating valve is mounted on the second connector of the valve body plastic part in an interference assembly mode.
Preferably, the oil pressure regulating valve mainly comprises a regulating valve outer shell, a regulating valve spring, a one-way valve plate and a regulating valve inner shell, wherein an opening of the regulating valve outer shell is assembled on a second connector of the valve body plastic part in an interference mode downwards, an opening of the regulating valve inner shell is upwards sleeved inside the regulating valve outer shell, the regulating valve spring is placed inside the regulating valve inner shell, the upper end of the regulating valve spring abuts against the inner wall of the top end of the regulating valve outer shell, and the one-way valve plate is arranged at the bottom of the regulating valve inner shell.
Preferably, the bottom of pressure-regulating valve inner shell has seted up a size and one-way valve block assorted shrinkage pool, the one-way valve block is then the activity to be inlayed in this shrinkage pool, the upper end pipe wall of valve body working of plastics has seted up a sealed aperture in the position that corresponds pressure-regulating valve inner shell bottom shrinkage pool, the diameter of sealed aperture is less than the bottom surface diameter of one-way valve block.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses in, through improving ordinary control valve structure, at the oil pressure air-vent valve that upper end fixed mounting of valve body working of plastics comprises air-vent valve shell, air-vent valve spring, one-way valve block and air-vent valve inner shell, when pipeline internal pressure risees and the unable action of external control module is adjusted, the oil pressure direct action is at the oil pressure air-vent valve, utilizes mechanical structure control part fuel to let out via the oil pressure air-vent valve to reduce pipeline oil pressure, protect relevant pipeline.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a two-stage pressure control valve of an automobile fuel pump according to the present invention;
FIG. 2 is an exploded view of the overall structure of the two-stage pressure control valve of the fuel pump of the present invention;
FIG. 3 is a plan view of the dual stage pressure control valve of the fuel pump of the present invention;
FIG. 4 is a top view of the dual stage pressure control valve of the automotive fuel pump of the present invention;
FIG. 5 is a side view of the dual stage pressure control valve of the automotive fuel pump of the present invention;
fig. 6 is a cross-sectional view taken at a-a in fig. 5.
In the figure: 1. a control valve body; 2. a plastic part of the valve body; 3. a plastic fitting; 4. an oil pressure regulating valve; 5. a pressure regulating valve housing; 6. a pressure regulating valve spring; 7. a one-way valve plate; 8. a pressure regulating valve inner housing; 9. an inner joint; 10. an interface I; 11. a second interface; 12. and sealing the small hole.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; 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 invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-6, the two-stage pressure control valve for the automobile fuel pump comprises a control valve body 1, wherein the control valve body 1 mainly comprises a valve body plastic part 2, a connector plastic part 3 and an oil pressure regulating valve 4, the connector plastic part 3 is fixedly arranged at one end of the valve body plastic part 2, an elastically movable one-way valve plate 7 is arranged inside the oil pressure regulating valve 4, and the oil pressure regulating valve 4 is fixedly arranged at the upper end of the valve body plastic part 2.
In this embodiment, the valve body plastic part 2 and the joint plastic part 3 are all integrated into one piece's components, the valve body plastic part 2 and the both ends that connect the plastic part 3 are provided with the joint of connecting line respectively, the left side of valve body plastic part 2 is equipped with an interface 10, the right side that connects the plastic part 3 then is equipped with the inner joint 9 of an integrated into one piece structure, the joint plastic part 3 utilizes an interface 10 on inner joint 9 and the valve body plastic part 2 to link together through the mode of interference fit.
In this embodiment, a second connector 11 is further disposed at the upper end of the valve body plastic part 2, and the bottom of the oil pressure regulating valve 4 is mounted on the second connector 11 of the valve body plastic part 2 by interference fit.
In this embodiment, the oil pressure regulating valve 4 mainly comprises a regulating valve outer shell 5, a regulating valve spring 6, a one-way valve sheet 7 and a regulating valve inner shell 8, wherein the regulating valve outer shell 5 is assembled on the second interface 11 of the valve body plastic part 2 in an interference manner, the regulating valve inner shell 8 is sleeved with the opening of the regulating valve outer shell 5 upwards, the regulating valve spring 6 is placed inside the regulating valve inner shell 8, the upper end of the regulating valve spring 6 abuts against the inner wall of the top end of the regulating valve outer shell 5, and the one-way valve sheet 7 is arranged at the bottom of the regulating valve inner shell.
In this embodiment, the bottom of the pressure regulating valve inner casing 8 is provided with a recess hole of a size matched with the check valve plate 7, the check valve plate 7 is movably embedded in the recess hole, the upper end pipe wall of the valve plastic part 2 is provided with a small sealing hole 12 at a position corresponding to the recess hole at the bottom of the pressure regulating valve inner casing 8, and the diameter of the small sealing hole 12 is smaller than the diameter of the bottom surface of the check valve plate 7.
It should be noted that, in practical application, the valve body plastic part 2 and the connector plastic part 3 are assembled together in an interference fit manner to form an oil flowing channel, and two ends of the valve body plastic part 2 and the two ends of the connector plastic part 3 are respectively connected to a pipeline, when the automobile fuel pump double-stage pressure control valve works normally, fuel oil is output through the electric fuel pump, flows in from the connector plastic part 3 through a corrugated pipe, and then flows out from the valve body plastic part 2; when the fuel pump control module can not keep the pressure in the pipeline in a normal range by adjusting the duty ratio, the oil pressure in the whole pipeline rises, when the oil passes through the small sealing hole 12, the oil pressure acts on the one-way valve plate 7 through the small sealing hole 12, so that the one-way valve plate 7 pushes against the inner shell 8 of the pressure regulating valve to move upwards, because the pressure regulating valve outer shell 5 and the valve body plastic part 2 are fixed together, the pressure regulating valve inner shell 8 drives the pressure regulating valve spring 6 to be compressed, and after the extrusion of the pressure regulating valve inner shell 8 is lost, the one-way valve plate 7 and the small sealing hole 12 of the plastic part 2 of the valve body begin to separate, part of fuel oil flows out from the gap, the pressure in the pipeline is reduced, the effect of maintaining normal working pressure at low pressure is achieved, when the pipeline is blocked or the fuel pump control module is damaged, the small sealing hole 12 is completely opened by high pressure in the pipeline, fuel flows out of the small sealing hole 12, and the effect of protecting the fuel pipeline and related accessories is achieved through pressure relief.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The double-stage pressure control valve of the automobile fuel pump is characterized in that: the control valve comprises a control valve body (1), wherein the control valve body (1) mainly comprises a valve body plastic part (2), a joint plastic part (3) and an oil pressure regulating valve (4), the joint plastic part (3) is fixedly arranged at one end of the valve body plastic part (2), a check valve plate (7) with elastic activity is arranged inside the oil pressure regulating valve (4), and the oil pressure regulating valve (4) is fixedly arranged at the upper end of the valve body plastic part (2).
2. The automotive fuel pump dual stage pressure control valve of claim 1, wherein: the valve body plastic part (2) and the joint plastic part (3) are integrally formed components, the two ends of the valve body plastic part (2) and the two ends of the joint plastic part (3) are respectively provided with a joint of a connecting pipeline, the left side of the valve body plastic part (2) is provided with a first interface (10), the right side of the joint plastic part (3) is provided with an inner joint (9) of an integrally formed structure, and the joint plastic part (3) is connected with the first interface (10) on the valve body plastic part (2) in an interference assembly mode by utilizing the inner joint (9).
3. The automotive fuel pump dual stage pressure control valve of claim 1, wherein: the upper end of the valve body plastic part (2) is additionally provided with a second connector (11), and the bottom of the oil pressure regulating valve (4) is installed on the second connector (11) of the valve body plastic part (2) in an interference assembly mode.
4. The automotive fuel pump dual stage pressure control valve of claim 3, wherein: oil pressure air-vent valve (4) mainly comprise air-vent valve shell (5), air-vent valve spring (6), check valve piece (7) and air-vent valve inner shell (8), air-vent valve shell (5) opening interference fit is to No. two interfaces (11) of valve body working of plastics (2) downwards, air-vent valve inner shell (8) opening upwards overlaps the inside at air-vent valve shell (5), then place the inside at air-vent valve inner shell (8) pressure-vent valve spring (6) to the top inner wall of air-vent valve shell (5) is supported to the upper end of air-vent valve spring (6), check valve piece (7) then set up the bottom at air-vent valve inner shell (8).
5. The automotive fuel pump dual stage pressure control valve of claim 4, wherein: a size and check valve piece (7) assorted shrinkage pool has been seted up to the bottom of air-vent valve inner shell (8), check valve piece (7) then activity is inlayed in this shrinkage pool, a sealed aperture (12) have been seted up at the position that corresponds air-vent valve inner shell (8) bottom shrinkage pool to the upper end pipe wall of valve body working of plastics (2), the diameter of sealed aperture (12) is less than the bottom surface diameter of check valve piece (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021978976.3U CN213360282U (en) | 2020-09-10 | 2020-09-10 | Double-stage pressure control valve for automobile fuel pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021978976.3U CN213360282U (en) | 2020-09-10 | 2020-09-10 | Double-stage pressure control valve for automobile fuel pump |
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| Publication Number | Publication Date |
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| CN213360282U true CN213360282U (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021978976.3U Active CN213360282U (en) | 2020-09-10 | 2020-09-10 | Double-stage pressure control valve for automobile fuel pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876686A (en) * | 2022-04-25 | 2022-08-09 | 一汽奔腾轿车有限公司 | Fuel pump fine filter structure integrated with one-way valve |
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2020
- 2020-09-10 CN CN202021978976.3U patent/CN213360282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876686A (en) * | 2022-04-25 | 2022-08-09 | 一汽奔腾轿车有限公司 | Fuel pump fine filter structure integrated with one-way valve |
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