CN219654804U - Oil return pipe with three-way pressure relief pipe bracket fuel pump assembly integrating multiple functions - Google Patents
Oil return pipe with three-way pressure relief pipe bracket fuel pump assembly integrating multiple functions Download PDFInfo
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- CN219654804U CN219654804U CN202223613527.0U CN202223613527U CN219654804U CN 219654804 U CN219654804 U CN 219654804U CN 202223613527 U CN202223613527 U CN 202223613527U CN 219654804 U CN219654804 U CN 219654804U
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- pressure relief
- oil pipe
- oil
- support
- air
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- 239000000446 fuel Substances 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 4
- 229920000426 Microplastic Polymers 0.000 abstract 4
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Fuel-Injection Apparatus (AREA)
Abstract
The utility model provides an oil return pipe of integrated multiple functions takes tee bend pressure release pipe support fuel pump assembly, includes the workstation, set up on the workstation and cut the grain device, cut the grain device and include and cut grain quick-witted case, vibration subassembly and air-dry subassembly, through setting up the grain case of cutting on the upper portion of frame, the lower part of frame sets up the vibration and air-dries the chamber, and cut grain case and vibration air-dry chamber intercommunication, the vibration air-dries the intracavity and sets up vibration subassembly and air-dry subassembly, make the outside material cut the grain after cutting the grain case, cut the drop of good plastic pellet enters into the vibration air-dry chamber, vibration subassembly and air-dry subassembly operation in the vibration air-dry intracavity, make plastic pellet vibrate under vibration subassembly's drive and prevent the adhesion, air-dry subassembly then can be quick with plastic pellet air-dry, further prevent plastic pellet pile up adhesion.
Description
Technical Field
The utility model relates to the technical field of fuel pumps, in particular to a fuel pump assembly with an oil return pipe and a three-way pressure relief pipe bracket, which integrates multiple functions.
Background
At present, most fuel pump assemblies on the market have low flow, so that the pressure generated in the fuel return pipeline is in a low state when unconsumed fuel flows to the fuel return pipeline, and therefore, when the fuel return pipeline is directly connected to the injection pump structure, the pressure in the fuel return pipeline is insufficient to influence the operation of the fuel system. Along with the gradual development of the automobile industry, the demand of the large-flow fuel pump is increased, when the flow of the fuel pump is increased, the flow of the fuel flowing through the fuel return pipe is also increased, meanwhile, the pressure of the fuel return pipe is also increased, and when the pressure exceeds the alarm pressure of the system, the fuel supply system stops supplying fuel, so that the engine stops working, and the automobile is flameout.
Disclosure of Invention
In view of the above, the utility model provides a fuel pump assembly with an oil return pipe and a three-way pressure relief pipe bracket, which integrates multiple functions.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an oil return pipe of integrated multiple functions takes tee bend pressure release pipe support fuel pump assembly, includes fuel pump body and pressure release oil pipe support, the fuel pump body includes oil storage barrel, pump core and flange lid, the pump core sets up in the oil storage barrel, the one end and the flange lid of pressure release oil pipe support are connected, the other end of pressure release oil pipe support stretches into in the oil storage barrel with the inside intercommunication of oil storage barrel.
Preferably, the pressure relief oil pipe support is provided with an oil return pipe joint, a pressure relief oil pipe part, a jet pump connecting part and a flange support connecting part, the oil return pipe joint and the jet pump connecting part are arranged at two ends of the pressure relief oil pipe support, the pressure relief oil pipe part is arranged at one side of the pressure relief oil pipe support, which is close to the oil return pipe joint, the flange support connecting part is arranged on the pressure relief oil pipe support in a protruding mode, a support rod is arranged between the flange cover and the oil storage barrel, the support rod penetrates through the flange support connecting part, and two ends of the support rod are correspondingly connected with the flange cover and the oil storage barrel.
Preferably, the pressure relief oil pipe portion is the tubular structure setting of slope, the incline direction of pressure relief oil pipe portion is the pressure relief oil pipe support upper portion center and is kept away from the central position slope setting towards pressure relief oil pipe support lower part, the internal diameter of pressure relief oil pipe portion is less than the internal diameter of pressure relief oil pipe support.
Preferably, a small-diameter channel is formed between the pressure relief oil pipe part and the pressure relief oil pipe bracket, and the inner diameter of the small-diameter channel is smaller than the inner diameter of the pressure relief oil pipe part.
Preferably, the oil return pipe joint, the pressure relief oil pipe part, the jet pump connecting part and the flange supporting connecting part are all made of plastic materials.
The utility model has the beneficial effects that: according to the utility model, the three-way pressure relief pipe bracket structure is additionally arranged on the oil return pipeline, when the flow of the oil return pipeline is increased, part of fuel flows out through the branch small holes of the three-way pressure relief pipe bracket, so that the pressure relief effect of the oil return pipe is achieved, and the injection effect of the injection pump is ensured.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of the oil storage barrel;
FIG. 3 is a schematic diagram of a pressure relief oil pipe bracket;
fig. 4 is a cross-sectional view of the pressure relief oil pipe bracket.
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.
The utility model will be further described with reference to the drawings.
The utility model provides the following technical scheme:
as shown in figures 1-4, the utility model discloses a fuel pump assembly with a three-way pressure relief pipe bracket for an oil return pipe, which integrates multiple functions, and the fuel pump assembly comprises a fuel pump body 1 and a pressure relief pipe bracket 2, wherein the fuel pump body 1 comprises a fuel storage barrel 3, a pump core 4 and a flange cover 5, the pump core 4 is arranged in the fuel storage barrel 3, one end of the pressure relief pipe bracket 2 is connected with the flange cover 5, and the other end of the pressure relief pipe bracket 2 extends into the fuel storage barrel 3 and is communicated with the inside of the fuel storage barrel 3. Specifically, the three-way pressure relief pipe support structure is increased through the design of the oil return pipeline, when the flow of the oil return pipeline is increased, partial fuel flows out through the branch small holes of the three-way pressure relief pipe support, the pressure relief effect of the oil return pipe is achieved, and the injection effect of the injection pump is guaranteed.
Further, the pressure relief oil pipe support 2 is provided with an oil return pipe joint 6, a pressure relief oil pipe part 7, a jet pump connecting part 8 and a flange support connecting part 9, the oil return pipe joint 6 and the jet pump connecting part 8 are arranged at two ends of the pressure relief oil pipe support 2, the pressure relief oil pipe part 7 is arranged at one side of the pressure relief oil pipe support 2, which is close to the oil return pipe joint 6, the flange support connecting part 9 is arranged on the pressure relief oil pipe support 2 in a protruding mode, a supporting rod 10 is arranged between the flange cover 5 and the oil storage barrel 3, the supporting rod 10 penetrates through the flange support connecting part 9, and two ends of the supporting rod 10 are correspondingly connected with the flange cover 5 and the oil storage barrel 3.
Further, the pressure relief oil pipe portion 7 is the tubular structure setting of slope, the incline direction of pressure relief oil pipe portion 7 is the slope setting of the position that pressure relief oil pipe support 2 upper portion center was kept away from the center towards pressure relief oil pipe support 2 lower part, the internal diameter of pressure relief oil pipe portion 7 is less than the internal diameter of pressure relief oil pipe support 2.
Further, a small-diameter channel 11 is formed between the pressure relief oil pipe part 7 and the pressure relief oil pipe bracket 2, and the inner diameter of the small-diameter channel 11 is smaller than the inner diameter of the pressure relief oil pipe part 7. Specifically, the oil filling rate of the small-diameter channel 11 is highest when the aperture size of the small-diameter channel 11 is phi 1, the oil return pipeline pressure is reduced along with the increase of the aperture size of the small-diameter channel 11, and the oil filling rate of the oil storage barrel 3 is also reduced; if the aperture size of the small-diameter channel 11 is smaller than phi 1, the pressure of the oil return pipeline is larger than 100Kp, the pressure of the oil return pipeline exceeds the alarm pressure of the system, the oil supply system stops supplying oil, the engine stops working, and the automobile is flameout.
Furthermore, the oil return pipe joint 6, the pressure relief oil pipe part 7, the injection pump connecting part 8 and the flange supporting connecting part 9 are all made of plastic materials. Specifically, the plastic oil return pipe joint 6, the pressure relief oil pipe part 7, the jet pump connecting part 8 and the flange support connecting part 9 are convenient to install and produce, and meanwhile, the plastic oil return pipe joint can have good extrusion resistance and avoid deformation in a narrow environment.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. Oil return pipe of integrated multiple functions takes tee bend pressure release pipe support fuel pump assembly, its characterized in that: including fuel pump body and pressure release oil pipe support, the fuel pump body includes oil storage barrel, pump core and flange lid, the pump core sets up in the oil storage barrel, the one end and the flange lid of pressure release oil pipe support are connected, the other end of pressure release oil pipe support stretches into in the oil storage barrel with the inside intercommunication of oil storage barrel.
2. The multi-functional integrated oil return tube with three way pressure relief tube bracket fuel pump assembly of claim 1, wherein: the pressure relief oil pipe support is provided with an oil return pipe joint, a pressure relief oil pipe part, a jet pump connecting part and a flange support connecting part, the oil return pipe joint and the jet pump connecting part are arranged at two ends of the pressure relief oil pipe support, the pressure relief oil pipe part is arranged on one side, close to the oil return pipe joint, of the pressure relief oil pipe support, the flange support connecting part is arranged on the pressure relief oil pipe support in a protruding mode, a support rod is arranged between the flange cover and the oil storage barrel, the support rod penetrates through the flange support connecting part, and two ends of the support rod are correspondingly connected with the flange cover and the oil storage barrel.
3. The multi-functional integrated oil return tube with three way pressure relief tube bracket fuel pump assembly of claim 2, wherein: the pressure relief oil pipe portion is the tubular structure setting of slope, the incline direction of pressure relief oil pipe portion is the pressure relief oil pipe support upper portion center and is kept away from the central position slope setting towards pressure relief oil pipe support lower part, the internal diameter of pressure relief oil pipe portion is less than the internal diameter of pressure relief oil pipe support.
4. The multi-functional integrated oil return tube with three way pressure relief tube bracket fuel pump assembly of claim 3, wherein: and a small-diameter channel is formed between the pressure relief oil pipe part and the pressure relief oil pipe support, and the inner diameter of the small-diameter channel is smaller than that of the pressure relief oil pipe part.
5. The multi-functional integrated oil return tube with three way pressure relief tube bracket fuel pump assembly of claim 2, wherein: the oil return pipe joint, the pressure relief oil pipe part, the jet pump connecting part and the flange supporting connecting part are all made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223613527.0U CN219654804U (en) | 2022-12-31 | 2022-12-31 | Oil return pipe with three-way pressure relief pipe bracket fuel pump assembly integrating multiple functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223613527.0U CN219654804U (en) | 2022-12-31 | 2022-12-31 | Oil return pipe with three-way pressure relief pipe bracket fuel pump assembly integrating multiple functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219654804U true CN219654804U (en) | 2023-09-08 |
Family
ID=87855313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223613527.0U Active CN219654804U (en) | 2022-12-31 | 2022-12-31 | Oil return pipe with three-way pressure relief pipe bracket fuel pump assembly integrating multiple functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219654804U (en) |
-
2022
- 2022-12-31 CN CN202223613527.0U patent/CN219654804U/en active Active
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