CN213775569U

CN213775569U - Electric fuel pump assembly of automobile

Info

Publication number: CN213775569U
Application number: CN202021928017.0U
Authority: CN
Inventors: 王小平; 曹万; 洪鹏; 梁世豪; 施涛
Original assignee: Wuhan Finemems Inc
Current assignee: Wuhan Finemems Inc
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-07-23
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses an automobile electric fuel pump assembly, which comprises a fixed plate, wherein the upper end surface of the fixed plate is provided with a groove, the groove is embedded with a cooling jacket, the cooling jacket is wrapped with an electric fuel pump body, the outer wall of the cooling jacket is communicated with a water inlet pipe and a water outlet pipe, and the electric fuel pump body is communicated with a first oil inlet pipe and a first oil outlet pipe; the cooling jacket is locked with the fixing plate by a fixing assembly. The utility model discloses when using, dispel the heat to electronic fuel pump through being provided with the cooling jacket, improved electronic fuel pump's life to a certain extent to electronic fuel pump passes through the snap ring and the hasp locking is fixed, and it is very convenient to dismantle, is convenient for maintain or maintain.

Description

Electric fuel pump assembly of automobile

Technical Field

The utility model relates to a fuel pump equipment technical field specifically is electronic fuel pump assembly of car.

Background

The electric fuel pump is a device which continuously sucks fuel out of a fuel tank and provides the fuel with specified pressure and flow rate for a fuel system, the performance of the electric fuel pump can directly influence the working performance of an engine based on the function of the electric fuel pump, and the electric fuel pump is the heart of a fuel supply system of an electronic injection engine. The electric fuel pump has two arrangement modes in an oil supply system, namely an external type fuel pump, namely the fuel pump is connected in series in an oil pipeline outside an oil tank; the fuel pump is arranged in the fuel tank and is immersed in the gasoline, so that the fuel pump is easy to dissipate heat, has low working noise and long service life, and is widely applied.

When the automobile electric fuel pump is used, a large amount of heat can be generated, if the heat is not dissipated in time, electronic elements in the electric fuel pump can be damaged, the service life of the electric fuel pump is shortened, the existing electric fuel pump is quite complex to fix, and the electric fuel pump is quite inconvenient to maintain or disassemble if the electric fuel pump needs to be repaired, so that an automobile fine filtration electric fuel pump assembly needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic fuel pump assembly is strained to car essence dispels the heat to electronic fuel pump through being provided with the cooling jacket to electronic fuel pump passes through the snap ring and the hasp locking is fixed, and it is very convenient to dismantle, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an automobile electric fuel pump assembly comprises a fixing plate, wherein a groove is formed in the upper end face of the fixing plate, a cooling jacket is embedded in the groove, the cooling jacket wraps an electric fuel pump body, the outer wall of the cooling jacket is communicated with a water inlet pipe and a water outlet pipe, and the electric fuel pump body is communicated with a first oil inlet pipe and a first oil outlet pipe;

the cooling jacket is locked with the fixing plate by a fixing assembly.

Preferably, the fixing assembly comprises two groups of convex blocks fixed on the upper end face of the fixing plate, a round rod is fixedly connected between the two groups of convex blocks, a clamping ring is rotatably connected to the two groups of convex blocks through the round rod, and the cooling jacket is fixedly installed inside the groove through the clamping ring.

Preferably, a through hole is formed in the clamping ring, the round rod is located in the through hole, and the round rod is in clearance fit with the through hole.

Preferably, the upper end of the fixing plate is fixedly provided with a hasp, and a buckle seat of the hasp is fixedly arranged at the upper end of the clamping ring.

Preferably, the water inlet pipe and the water outlet pipe are both provided with sealing rings at the positions communicated with the cooling jacket, and the sealing rings are rubber sealing rings.

Preferably, the fixing plate is provided with four groups of mounting holes.

Preferably, one end of the first oil inlet pipe is communicated with a filter box.

Preferably, the filter box is fixedly arranged at the upper end of the fixing plate, and one side of the filter box is communicated with a second oil inlet pipe.

Preferably, the outer side of the cooling jacket is provided with a heat radiation fin.

Preferably, the snap ring is configured as a resilient snap ring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an upper end of fixed plate is seted up flutedly, and the inside of recess is provided with the cooling jacket, and the inside of cooling jacket is provided with electronic fuel pump body, and the design that has inlet tube and outlet pipe on the outer wall of cooling jacket intercommunication can the electronic fuel pump dispel the heat, has improved the life of electronic fuel pump to a certain extent;

2. the utility model discloses an upper end fixedly connected with lug of fixed plate, and the lug is provided with two sets ofly, fixedly connected with round bar between two sets of lugs, two sets of lugs rotate through the round bar and are connected with the snap ring, and the cooling jacket passes through snap ring fixed mounting in the inside of recess, and the upper end fixed mounting of fixed plate has the hasp, and the design of the knot seat fixed mounting of hasp in the upper end of snap ring is fixed through snap ring and hasp locking for it is very convenient, the maintenance or the maintenance of being convenient for that the electronic fuel pump dismantles.

Drawings

FIG. 1 is a partial perspective view of an embodiment of an electric fuel pump assembly for a vehicle of the present invention;

fig. 2 is a partial cross-sectional view of the present invention;

fig. 3 is a partial cross-sectional view of the present invention;

fig. 4 is a side view of the present invention.

In the figure: 1. a fixing plate; 2. a groove; 3. a cooling jacket; 4. an electric fuel pump body; 5. a water inlet pipe; 6. a water outlet pipe; 7. a seal ring; 8. an oil outlet pipe; 9. a first oil inlet pipe; 10. a filter box; 11. a second oil inlet pipe; 12. a bump; 13. a round bar; 14. a through hole; 15. a snap ring; 16. a hasp; 17. and (7) installing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

an electric fuel pump assembly of an automobile comprises a fixed plate 1, a groove 2 is arranged at the upper end of the fixed plate 1, a cooling jacket 3 is arranged inside the groove 2, an electric fuel pump body 4 is arranged inside the cooling jacket 3, a plurality of radiating fins are constructed on the outer wall of the cooling jacket 3, meanwhile, the water inlet pipe 5 and the water outlet pipe 6 are communicated, so that the cooling liquid circularly flows outside the electric fuel pump body 4, the electric fuel pump body 4 is radiated, the water inlet pipe 5 and the water outlet pipe 6 are both provided with a sealing ring 7 at the communication position with the cooling jacket 3, the sealing ring 7 is a rubber sealing ring, the electric fuel pump body 4 is communicated with an oil outlet pipe 8, the electric fuel pump body 4 is communicated with a first oil inlet pipe 9, one end of the first oil inlet pipe 9 is communicated with a filter box 10, the filter box 10 is fixedly arranged at the upper end of the fixed plate 1, and one side of the filter box 10 is communicated with a second oil inlet pipe 11;

fixed plate 1's upper end fixedly connected with lug 12, and lug 12 is provided with two sets ofly, fixedly connected with round bar 13 between two sets of lugs 12, two sets of lugs 12 rotate through round bar 13 and are connected snap ring 15 that elastic material made, through-hole 14 has been seted up to snap ring 15's inside, round bar 13 is located through-hole 14's inside, and round bar 13 and through-hole 14 clearance fit, cooling jacket 3 passes through snap ring 15 fixed mounting in the inside of recess 2, fixed plate 1's upper end fixed mounting has hasp 16, hasp 16's knot seat fixed mounting is in the upper end of snap ring 15, make snap ring 15 can compress tightly fixedly cooling jacket 3, mounting hole 17 has been seted up on fixed plate 1, and four groups have been seted up to mounting hole 17, be used for installing fixed plate 1.

The working principle is as follows: when the utility model is used, the groove 2 is arranged at the upper end of the fixing plate 1, the cooling jacket 3 is arranged inside the groove 2, the electric fuel pump body 4 is arranged inside the cooling jacket 3, the outer wall of the cooling jacket 3 is communicated with the water inlet pipe 5 and the water outlet pipe 6, so that cooling liquid circularly flows outside the electric fuel pump body 4 to dissipate heat of the electric fuel pump body 4, the service life of the electric fuel pump body 4 is prolonged to a certain extent, the lug 12 is fixedly connected at the upper end of the fixing plate 1, two groups of lugs 12 are arranged, the round rod 13 is fixedly connected between the two groups of lugs 12, the two groups of lugs 12 are rotatably connected with the snap ring 15 through the round rod 13, the cooling jacket 3 is fixedly arranged inside the groove 2 through the snap ring 15, the hasp 16 is fixedly arranged at the upper end of the fixing plate 1, the hasp seat of the hasp 16 is fixedly arranged at the upper end of the snap ring 15, the electric fuel pump body 4 is convenient to disassemble and maintain through the locking and fixing of the snap ring 15 and the hasp 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electronic fuel pump assembly of car, includes fixed plate (1), its characterized in that:

the upper end face of the fixed plate (1) is provided with a groove (2), the groove (2) is embedded with a cooling jacket (3), the cooling jacket (3) is wrapped with an electric fuel pump body (4), the outer wall of the cooling jacket (3) is communicated with a water inlet pipe (5) and a water outlet pipe (6), and the electric fuel pump body (4) is communicated with a first oil inlet pipe (9) and an oil outlet pipe (8); the cooling jacket is locked to the fastening plate (1) by means of a fastening assembly.

2. The automotive electric fuel pump assembly of claim 1, wherein:

the fixed assembly comprises two groups of lugs (12) fixed on the upper end face of the fixed plate (1) and two groups of round rods (13) fixedly connected between the lugs (12), the lugs (12) are rotationally connected with clamping rings (15) through the round rods (13), and the cooling jacket (3) is fixedly installed inside the groove (2) through the clamping rings (15).

3. The automotive electric fuel pump assembly of claim 2, wherein: through-hole (14) have been seted up to the inside of snap ring (15), round bar (13) are located the inside of through-hole (14), and round bar (13) and through-hole (14) clearance fit.

4. The automotive electric fuel pump assembly of claim 3, wherein: the upper end fixed mounting of fixed plate (1) has hasp (16), the knot seat fixed mounting of hasp (16) is in the upper end of snap ring (15).

5. The automotive electric fuel pump assembly of claim 2, wherein: the water inlet pipe (5) and the water outlet pipe (6) are provided with sealing rings (7) at the positions communicated with the cooling jacket (3), and the sealing rings (7) are rubber sealing rings.

6. The automotive electric fuel pump assembly of claim 1, wherein: the fixing plate (1) is provided with four groups of mounting holes (17), and the mounting holes (17) are provided with four groups of mounting holes.

7. The automotive electric fuel pump assembly of claim 1, wherein:

one end of the first oil inlet pipe (9) is communicated with a filter box (10).

8. The automotive electric fuel pump assembly of claim 7, wherein: the filter box (10) is fixedly arranged at the upper end of the fixing plate (1), and one side of the filter box (10) is communicated with a second oil inlet pipe (11).

9. The automotive electric fuel pump assembly of claim 1, wherein:

and heat radiating fins are arranged on the outer side of the cooling jacket (3).

10. The automotive electric fuel pump assembly of claim 2, wherein:

the snap ring (15) is designed as an elastic snap ring.