Static electricity conducting structure of fuel pump assembly

Abstract

The utility model discloses a static conductive structure of a fuel pump assembly. The static conductive structure comprises a fine filter component, the supporting rod assembly comprises two supporting rods, and one end of each supporting rod is connected with the fine filter component; the flange plate component is connected with the other end of the supporting rod; the pressure regulating valve is arranged in the fine filter component; the pipe joint is arranged at the upper end of the fine filter component and is connected with the fine filter component; the lower end of the corrugated pipe is connected with the pipe joint, and the upper end of the corrugated pipe is connected with the flange plate component. Through the application of the static electricity conducting structure of the fuel pump assembly, the fine filter, the pressure regulating valve, the supporting rod and the corrugated pipe can conduct static electricity, danger caused by static electricity release of an oil pump is reduced, the pressure regulating valve, the pipe connector and the fine filter adopt the same wire harness component, the wire harness component can be disassembled, assembled and interchanged, and therefore the static electricity conducting structure of the fuel pump assembly is convenient to use. Cost saving is facilitated, and assembling is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile fuel systems, in particular to a static electricity conductive structure of a fuel pump assembly. Background Art

[0002] The fuel pump assembly is installed on the fuel tank. The oil in the tank will be stored in the oil storage barrel after preliminary filtration through the fuel pump coarse filter. When the pump core is working, the oil will flow into the engine fuel pipe through the bellows and flange oil outlet pipe, and the excess oil will return to the fuel tank through the return pipe.

[0003] Currently, OEMs have increasingly stringent requirements for vehicle safety, and therefore also for the safety of fuel pump assemblies and the electrostatic performance of fuel pumps. However, existing fuel pump assembly electrostatic treatment structures are almost all single-conductor structures, either single fine filter electrostatic conduction structures or single pressure regulating valve electrostatic conduction structures. This single-conductor structure may pose a safety hazard in extreme situations, posing a threat to the safety of drivers and passengers. Utility Model Content

[0004] In view of this, in order to solve the above problems, the purpose of the present utility model is to provide a fuel pump assembly static conductive structure, comprising:

[0005] A fine filter component, wherein the fine filter component is extended in a vertical direction;

[0006] A support rod assembly, the support rod assembly comprising two support rods, one end of each of the support rods being connected to the fine filter component;

[0007] a flange component, the flange component being disposed above the fine filter component and connected to the other end of the support rod;

[0008] a pressure regulating valve, the pressure regulating valve being arranged in the fine filter component;

[0009] a pipe joint, the pipe joint being arranged at the upper end of the fine filter component and connected to the fine filter component;

[0010] A bellows, wherein the lower end of the bellows is connected to the pipe joint, and the upper end of the bellows is connected to the flange component.

[0011] In another preferred embodiment, it also includes: a grounding component and a wiring harness component, the support rod assembly, the pipe joint and the pressure regulating valve are all connected to the grounding component, and the pressure regulating valve, the grounding component, the pipe joint and the flange component are all connected to the wiring harness component.

[0012] In another preferred embodiment, the support rod includes: a rod body and a spring, the rod body extends in a vertical direction, the spring is sleeved on the periphery of the rod body, and the rod body connects the fine filter component and the flange component.

[0013] In another preferred embodiment, the fine filter component includes a fine filter end cover, a fine filter upper shell and a fine filter lower shell, the fine filter end cover is connected to the upper end of the fine filter upper shell, the fine filter lower shell is connected to the lower end of the fine filter upper shell, and the pressure regulating valve is arranged in the fine filter lower shell.

[0014] In another preferred embodiment, the grounding component includes a first grounding plate, a second grounding plate and a grounding ring, the first grounding plate is arranged at the upper end of the support rod assembly, the second grounding plate is arranged on the pipe joint, and the grounding ring is arranged on the pressure regulating valve.

[0015] In another preferred embodiment, the wiring harness component includes a first wiring harness component and a second wiring harness component, the grounding ring, the pressure regulating valve, the pipe joint and the fine filter component are all connected to the first wiring harness component, and the first grounding plate and the flange component are respectively connected to the second wiring harness component.

[0016] In another preferred embodiment, the first wiring harness component is connected to a pump core of a fuel pump, and the pump core is disposed inside the fine filter component.

[0017] Due to the adoption of the above technical solution, the present invention has the following positive effects compared with the prior art: through the application of the present invention, a static electricity conducting structure of a fuel pump assembly is proposed, and the fine filter, the pressure regulating valve, the support rod, and the bellows can all conduct static electricity, thereby reducing the danger caused by static electricity release from the fuel pump and making the fuel pump safer. In addition, the pressure regulating valve, the pipe joint, and the fine filter components use the same wiring harness component, and the wiring harness component and the three components can be disassembled and interchanged, which can meet the needs of different fuel pump assemblies, is conducive to cost savings, and is more convenient to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the assembly of a static electricity conducting structure of a fuel pump assembly according to the present invention;

[0019] Figure 2 This is a top view of the lower half of the static electricity conducting structure of a fuel pump assembly according to the present invention;

[0020] Figure 3 This is a structural schematic diagram of a fine filter component with an electrostatic conduction structure of a fuel pump assembly according to the present invention.

[0021] In the attached figure:

[0022] 1. Fine filter components; 2. Support rod assembly; 3. Flange components; 4. Pressure regulating valve; 5. Pipe joint; 6. Bellows; 7. Rod body; 8. Spring; 9. Fine filter end cover; 10. Fine filter upper shell; 11. Fine filter lower shell; 12. First grounding plate; 13. Second grounding plate; 14. Grounding ring; 15. First wiring harness components; 16. Second wiring harness components; 17. Pump core. DETAILED DESCRIPTION

[0023] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that the directions or positional relationships indicated by terms such as "upper", "lower", "left", "right", "inside", "outside", "front", "back", "horizontal", and "vertical" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0025] It should be noted that the terms “horizontal” and “vertical” in the present invention are used to describe a rough positional relationship, rather than a strict “horizontal plane” or “vertical plane”.

[0026] like Figures 1 to 3 FIG. 1 shows a preferred embodiment of a fuel pump assembly static conductive structure, including:

[0027] The fine filter component 1 is extended in the vertical direction;

[0028] The support rod assembly 2 includes two support rods, one end of each support rod is connected to the fine filter component;

[0029] The flange component 3 is arranged above the fine filter component 1 and is connected to the other end of the support rod;

[0030] A pressure regulating valve 4 is provided in the fine filter component 1;

[0031] The pipe joint 5 is provided at the upper end of the fine filter component 1 and is connected to the fine filter component 1;

[0032] The bellows 6 has a lower end connected to the pipe joint 5 and an upper end connected to the flange component 3 .

[0033] Furthermore, as a preferred embodiment, it also includes: a grounding component and a wiring harness component, the support rod assembly 2, the pipe joint 5 and the pressure regulating valve 4 are all connected to the grounding component, and the pressure regulating valve 4, the grounding component, the pipe joint 5 and the flange component 3 are all connected to the wiring harness component.

[0034] Furthermore, as a preferred embodiment, the connection between the bellows 6 and the pipe joint 5 is preferably a press-fit connection.

[0035] Furthermore, as a preferred embodiment, the support rod includes: a rod body 7 and a spring 8, the rod body 7 extends in the vertical direction, the spring 8 is sleeved on the outer periphery of the rod body 7, and the rod body 7 connects the fine filter component 1 and the flange component 3.

[0036] Further, as a preferred embodiment, the fine filter component 1 includes a fine filter end cover 9, a fine filter upper shell 10 and a fine filter lower shell 11, the fine filter end cover 9 is connected to the upper end of the fine filter upper shell 10, the fine filter lower shell 11 is connected to the lower end of the fine filter upper shell 10, the pressure regulating valve 4 is arranged in the fine filter lower shell 11, and the pipe joint 5 is arranged on the fine filter end cover 9.

[0037] Furthermore, as a preferred embodiment, the connection between the pipe joint 5 and the fine filter end cap 9 is preferably a snap-fit connection. The pipe joint 5 is provided with a snap-fit, and the fine filter end cap 9 is provided with a slot, and the slot and the slot match. Furthermore, the snap-fit connection between the pipe joint 5 and the fine filter end cap 9 facilitates assembly and disassembly of the pipe joint 5.

[0038] Furthermore, as a preferred embodiment, the fine filter upper end cover 9, the pipe joint 5 and the bellows 6 are all made of conductive materials.

[0039] Furthermore, as a preferred embodiment, the grounding component includes a first grounding plate 12, a second grounding plate 13 and a grounding ring 14, the first grounding plate 12 is arranged at the upper end of the support rod assembly 2, the second grounding plate 13 is arranged on the pipe joint 5, and the grounding ring 14 is arranged on the pressure regulating valve 4.

[0040] Further, as a preferred embodiment, the wiring harness component includes a first wiring harness component 15 and a second wiring harness component 16, the grounding ring 14, the pressure regulating valve 4, the pipe joint 5 and the fine filter component 1 are all connected to the first wiring harness component 15, and the first grounding plate 12 and the flange component 3 are respectively connected to the second wiring harness component 16.

[0041] Furthermore, as a preferred embodiment, the first grounding plate 12 is press-fitted onto the rod body 7 , and the first grounding plate 12 is soldered to the negative electrode of the flange component 3 through the second wiring harness component 16 , so that static electricity can be discharged from the rod body 7 .

[0042] Furthermore, as a preferred embodiment, the grounding ring 14, the pressure regulating valve 4, the pipe joint 5, the bellows 6 and the fine filter component 1 are all connected to the negative pole of the pump core 17 through the first wiring harness component 15, so that static electricity can be discharged from the fine filter component 1, the pressure regulating valve 4, the pipe joint 5 and the bellows 6.

[0043] Furthermore, as a preferred embodiment, the first wiring harness component 15 is connected to a pump core 17 of the fuel pump, and the pump core 17 is disposed inside the fine filter component 1 .

[0044] Furthermore, as a preferred embodiment, a hollow chamber is formed between the fine filter upper shell 10 and the fine filter lower shell 11, and the pump core 17 is disposed in the chamber.

[0045] The above description is only a preferred embodiment of the present invention and does not limit the implementation method and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A fuel pump assembly static conductive structure, characterized in that: include: A fine filter component, wherein the fine filter component is extended in a vertical direction; A support rod assembly, the support rod assembly comprising two support rods, one end of each of the support rods being connected to the fine filter component; a flange component, the flange component being disposed above the fine filter component and connected to the other end of the support rod; a pressure regulating valve, the pressure regulating valve being arranged in the fine filter component; a pipe joint, the pipe joint being arranged at the upper end of the fine filter component and connected to the fine filter component; A bellows, wherein the lower end of the bellows is connected to the pipe joint, and the upper end of the bellows is connected to the flange component.

2. The static electricity conducting structure of the fuel pump assembly according to claim 1, characterized in that: Also includes: A grounding component and a wiring harness component, the support rod assembly, the pipe joint and the pressure regulating valve are all connected to the grounding component, and the pressure regulating valve, the grounding component, the pipe joint and the flange component are all connected to the wiring harness component.

3. The static electricity conducting structure of the fuel pump assembly according to claim 1, characterized in that: The support rod includes a rod body and a spring. The rod body extends in a vertical direction. The spring is sleeved on the periphery of the rod body. The rod body connects the fine filter component and the flange component.

4. The static electricity conducting structure of the fuel pump assembly according to claim 1, characterized in that: The fine filter component includes a fine filter end cover, a fine filter upper shell and a fine filter lower shell, the fine filter end cover is connected to the upper end of the fine filter upper shell, the fine filter lower shell is connected to the lower end of the fine filter upper shell, and the pressure regulating valve is arranged in the fine filter lower shell.

5. The static electricity conducting structure of the fuel pump assembly according to claim 2, characterized in that: The grounding component includes a first grounding plate, a second grounding plate and a grounding ring. The first grounding plate is arranged on the upper end of the support rod assembly, the second grounding plate is arranged on the pipe joint, and the grounding ring is arranged on the pressure regulating valve.

6. The static electricity conducting structure of the fuel pump assembly according to claim 5, characterized in that: The wiring harness component includes a first wiring harness component and a second wiring harness component. The grounding ring, the pressure regulating valve, the pipe joint and the fine filter component are all connected to the first wiring harness component. The first grounding plate and the flange component are respectively connected to the second wiring harness component.

7. The static electricity conducting structure of the fuel pump assembly according to claim 6, characterized in that: The first wiring harness component is connected to a pump core of a fuel pump, and the pump core is arranged inside the fine filter component.

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