CN213450649U

CN213450649U - Novel fuel pump

Info

Publication number: CN213450649U
Application number: CN202022433169.XU
Authority: CN
Inventors: 刘登涛
Original assignee: Qingdao Dayang Technology Research Industry Co ltd
Current assignee: Qingdao Dayang Technology Research Industry Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-06-15
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a novel fuel pump relates to fuel pump art field. The novel fuel pump comprises a fuel pump main body and a damping box, wherein the fuel pump main body is sleeved in the damping box, and the upper part of the damping box is provided with a cover body matched with the upper end of the fuel pump main body; the bottom of the damping box is provided with an annular limiting plate, a damping plate which can move up and down is arranged between the annular limiting plate and the bottom wall of the damping box, the bottom of the damping plate is connected with the bottom wall of the damping box through a spring, and the damping plate is used for placing a main body of the fuel pump; the damping box inside wall is equipped with splint I and splint II of mutual symmetry, splint I and II inboards of splint all contact with the fuel pump bulk phase. The utility model discloses, through setting up shock attenuation board and buffer layer to and mutually supporting of splint I and splint II, the car can resist and come from the vehicle vibration load to the transverse vibration and the vertical vibration of fuel pump at the in-process of traveling on unsmooth road surface, improves the stability in use of fuel pump, protects the fuel pump.

Description

Novel fuel pump

Technical Field

The utility model relates to a fuel pump art field, concretely relates to novel fuel pump.

Background

Fuel pumps are important automotive accessories, one of the basic components of an automotive fuel injection system, located inside the vehicle fuel tank, and operate during start-up and engine operation. The fuel pump is used for sucking fuel from the fuel tank, pressurizing the fuel and then delivering the fuel to the fuel supply pipe, and the fuel pump is matched with the fuel pressure regulator to establish certain fuel pressure.

At present, the fuel pump is generally fixed in the oil tank bottom, and the vehicle meets the concave-convex road surface at the in-process of traveling, thereby can cause the automobile body to jolt and drive the oil tank and jolt, causes the fuel pump vibrations easily to and cause the casing and the oil tank casing of fuel pump to bump and take place to damage. How to solve the technical problems is a technical problem to be solved in the field of the fuel pump technology at present.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the embodiment of the utility model provides a novel fuel pump to solve the problem that proposes in the above-mentioned background art.

The utility model provides a following technical scheme: a novel fuel pump comprises a fuel pump main body and a damping box, wherein the fuel pump main body is sleeved in the damping box, and the upper part of the damping box is provided with a cover body matched with the upper end of the fuel pump main body;

the bottom of the damping box is provided with an annular limiting plate, a damping plate which can move up and down is arranged between the annular limiting plate and the bottom wall of the damping box, the bottom of the damping plate is connected with the bottom wall of the damping box through a spring, and the damping plate is used for placing a main body of the fuel pump;

the inner side wall of the damping box is provided with a clamping plate I and a clamping plate II which are symmetrical to each other, and the inner sides of the clamping plate I and the clamping plate II are both contacted with the fuel pump body; the connecting block rigid coupling is passed through in the splint I outside at the damper box inside wall, screw rod swing joint is passed through in splint II outsides at the damper box inside wall, screw rod and damper box lateral wall threaded connection, screw rod tip and II lateral walls switching of splint.

Preferably, a movable groove is formed in the outer side of the clamping plate II, a limiting circular plate matched with the movable groove is arranged at the end part of the screw rod, and the limiting circular plate at the end part of the screw rod is arranged in the movable groove.

Preferably, the lower part of the cover body is provided with a damping layer, and the damping layer is made of elastic rubber.

Preferably, the damper box is provided with a plurality of radiating holes distributed at intervals.

Preferably, the bottom of the shock absorption box is provided with a shock absorption foot pad.

Preferably, the cross sections of the clamping plates I and the clamping plates II are semicircular.

Preferably, a bracket for fixing the fuel pump is arranged on the outer side wall of the shock absorption box.

The embodiment of the utility model provides a pair of novel fuel pump has following beneficial effect: the utility model discloses, through setting up shock attenuation board and buffer layer to and mutually supporting of splint I and splint II, the car can resist and come from the vehicle vibration load to the transverse vibration and the vertical vibration of fuel pump at the in-process of traveling on unsmooth road surface, improves the stability in use of fuel pump, protects the fuel pump.

Drawings

FIG. 1 is a schematic view of a fuel pump according to the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the fuel pump of the present invention;

FIG. 3 is a schematic structural view of a side wall switching structure of the middle screw rod end and the clamping plate II of the present invention;

fig. 4 is the utility model discloses well screw rod tip and II lateral walls switching structure's of splint plan view.

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, the technical personnel in the field can obtain all other embodiments without creative work, which all belong to the protection scope of the present invention.

See fig. 1-4.

FIG. 1 is a schematic view of a fuel pump according to the present invention; FIG. 2 is a schematic view of the cross-sectional structure of the fuel pump of the present invention; FIG. 3 is a schematic structural view of a side wall switching structure of the middle screw rod end and the clamping plate II of the present invention; fig. 4 is the utility model discloses well screw rod tip and II lateral walls switching structure's of splint plan view.

A novel fuel pump comprises a fuel pump main body 300 and a shock absorption box 100, wherein the fuel pump main body 300 is sleeved in the shock absorption box 100, and the upper part of the shock absorption box 100 is provided with a cover body 200 matched with the upper end of the fuel pump main body 300;

it should be noted that the cover 200 is movably connected to the damper box 100, such as: the cover 200 is inserted into the shock-absorbing box 100 in this embodiment;

a circle of annular limiting plate 160 is fixedly connected to the side wall near the bottom in the shock absorption box 100, a shock absorption plate 170 which can move up and down is arranged between the annular limiting plate 160 and the bottom wall of the shock absorption box 100, the bottom of the shock absorption plate 170 is connected with the bottom wall of the shock absorption box 100 through a spring 180, and the shock absorption plate 170 is used for placing a fuel pump main body 300;

the inner side wall of the shock absorption box 100 is provided with a clamping plate I120 and a clamping plate II 130 which are symmetrical to each other, and the inner sides of the clamping plate I120 and the clamping plate II 130 are both contacted with the fuel pump body 300;

preferably, the cross sections of the clamping plates I120 and II 130 are semicircular, and the shapes and the sizes of the clamping plates are matched with the outer wall of the fuel pump main body 300;

preferably, the material of the splint i 120 and the splint ii 130 is a damping material, and in this embodiment, the damping material is damping rubber.

The outer side of the clamping plate I120 is fixedly connected to the inner side wall of the shock absorption box 100 through a connecting block 110, the outer side of the clamping plate II 130 is movably connected to the inner side wall of the shock absorption box 100 through a screw 140, the screw 140 penetrates through the side wall of the shock absorption box 100 and is in threaded connection with the side wall of the shock absorption box 100, and the end part of the screw 140 is rotatably connected with the side wall of the clamping plate II 130; the clamping relation between the inner side of the clamping plate II 130 and the fuel pump body 300 can be adjusted by rotating the position relation of the screw rod 140 on the side wall of the shock absorption box 100;

preferably, a movable groove 131 is arranged on the outer side of the clamping plate II 130, a limiting circular plate 141 matched with the movable groove 131 is arranged at the end part of the screw rod 140, the limiting circular plate 141 at the end part of the screw rod 140 is arranged in the movable groove 131, and the end part of the screw rod 140 is rotatably connected with the movable groove 131 on the outer side of the clamping plate II 130 through the limiting circular plate 141.

Preferably, the cover body 200 is provided with a damping layer 210 at a lower portion thereof, the damping layer 210 is made of elastic rubber, and the damping adjustment of the fuel pump body 300 in the vertical direction can be performed by the vertical cooperation between the damping layer 210 and the damping plate 170.

Preferably, the bottom of the damping box 100 is provided with a damping foot pad 190, the damping foot pad 190 isolates the fuel pump from the bottom surface of the fuel tank, thereby effectively preventing the fuel pump from touching the bottom surface of the fuel tank and playing a role in damping and protecting the housing of the fuel pump.

Preferably, a bracket for fixing the fuel pump is arranged on the outer side wall of the damper box 100, and correspondingly, a part for installing the bracket can be arranged inside the fuel tank, so that the fuel pump can be fixed inside the fuel tank.

It should be noted that, please refer to the prior art for the structure of other parts of the fuel pump, which is not described herein again.

The utility model relates to a novel fuel pump debugging scheme as follows: during the use, pack into the surge tank 100 with fuel pump main part 300 in, place on damper plate 170 fuel pump main part 300 bottom, then cover tight lid 200, adjust the screw rod 140 on the surge tank 100 lateral wall, make inside screw rod 140 screw in surge tank 100, press from both sides tight fuel pump main part 300 until splint II 130 inboard, at last with this novel fuel pump pass through the installing support and install in the oil tank.

The utility model relates to a novel fuel pump theory of use as follows: when the vehicle encounters a concave-convex road surface in the running process, the shock absorption plate 170 attenuates the shock conducted by the vehicle in the vertical direction under the elastic buffering action of the spring 180 and the cooperation with the shock absorption layer 210, so as to protect the fuel pump; through the mutual cooperation of splint I120 and splint II 130, weaken the vibration of horizontal vehicle conduction, protect the fuel pump.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

It should be understood that equivalent alterations and modifications can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept, and all such alterations and modifications shall fall within the scope of the appended claims.

Claims

1. A novel fuel pump is characterized by comprising a fuel pump main body (300) and a shock absorption box (100), wherein the fuel pump main body (300) is sleeved in the shock absorption box (100), and the upper part of the shock absorption box (100) is provided with a cover body (200) matched with the upper end of the fuel pump main body (300);

an annular limiting plate (160) is arranged at the bottom in the shock absorption box (100), a shock absorption plate (170) which can move up and down is arranged between the annular limiting plate (160) and the bottom wall of the shock absorption box (100), the bottom of the shock absorption plate (170) is connected with the bottom wall of the shock absorption box (100) through a spring (180), and the shock absorption plate (170) is used for placing a fuel pump main body (300);

the inner side wall of the damping box (100) is provided with a clamping plate I (120) and a clamping plate II (130) which are symmetrical to each other, and the inner sides of the clamping plate I (120) and the clamping plate II (130) are both contacted with the fuel pump main body (300); the splint I (120) outside is passed through connecting block (110) rigid coupling at damper box (100) inside wall, screw rod (140) swing joint is passed through in splint II (130) outside in damper box (100) inside wall, screw rod (140) and damper box (100) lateral wall threaded connection, screw rod (140) tip and splint II (130) lateral wall switching.

2. The novel fuel pump as claimed in claim 1, wherein a movable groove (131) is formed on the outer side of the clamping plate II (130), a limiting circular plate (141) matched with the movable groove (131) is arranged at the end part of the screw rod (140), and the limiting circular plate (141) at the end part of the screw rod (140) is arranged in the movable groove (131).

3. The fuel pump of claim 1, characterized in that a shock absorbing layer (210) is arranged on the lower part of the cover body (200), and the shock absorbing layer (210) is made of elastic rubber.

4. The fuel pump of claim 1, wherein the damper box (100) has a plurality of spaced-apart louvers (150).

5. The fuel pump as set forth in claim 1, characterized in that a shock absorbing foot pad (190) is provided at the bottom of the shock absorbing box (100).

6. The fuel pump as set forth in claim 1, wherein the cross-sections of the clamping plates i (120) and ii (130) are semi-circular.

7. The fuel pump as set forth in claim 1, wherein a bracket for fixing the fuel pump is provided on an outer side wall of the damper box (100).