CN217602808U

CN217602808U - Vibration isolation structure for improving noise of fuel pump

Info

Publication number: CN217602808U
Application number: CN202221097266.9U
Authority: CN
Inventors: 李菁雨; 张亚松; 黄贵龙; 王岩涛; 赵昆
Original assignee: FAW Bestune Car Co Ltd
Current assignee: FAW Bestune Car Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-10-18
Anticipated expiration: 2032-05-07

Abstract

The utility model relates to an improve vibration isolation structure of fuel pump noise, including fuel pump secondary filter and oil storage bucket: the outer wall of the fine filter of the fuel pump is provided with a vibration isolation mechanism, and the vibration isolation mechanism is provided with a connecting mechanism; the oil storage barrel is sleeved outside the fine filter of the fuel pump, and a mounting groove matched and connected with the connecting mechanism is formed in the barrel wall of the oil storage barrel. The utility model provides a pair of improve vibration isolation structure of fuel pump noise, simple structure, platformization commonality are strong, and the fuel pump motor vibration passes through the utility model discloses a vibration isolation mechanism carries out energy attenuation, and the rethread sets up the coupling mechanism transmission in vibration isolation mechanism for the oil storage bucket, can bigger reduction assembly level vibration to improve fuel pump assembly noise level. The utility model discloses at fuel pump secondary filter and oil storage bucket junction design vibration isolation mechanism, the vibration isolation route is closer to the vibration source, and vibration isolation mechanism is close to the oil storage bucket fixed point simultaneously, can provide bigger layout space for the secondary filter to satisfy the requirement of big appearance dirt volume.

Description

Improve vibration isolation structure of fuel pump noise

Technical Field

The utility model relates to an automobile fuel pump technical field, more specifically say, relate to an improve vibration isolation structure of fuel pump noise.

Background

With the continuous improvement of the driving experience requirements of users, the requirements on the power performance of the whole vehicle engine are higher and higher, so that the parameters of the engine, such as the displacement, the oil supply flow, the system pressure and the like, are also continuously improved. Meanwhile, in order to meet the requirements of the engine, the power and the rotating speed of the motor of the fuel pump assembly are continuously improved. Accordingly, the poor vibration caused by the poor dynamic balance of the fuel pump motor is transmitted into the cab through transmission paths such as a fuel pump assembly structure, a fuel tank, a vehicle body floor and the like, which causes poor noise quality of the vehicle body and complaints of drivers and passengers in the vehicle.

The existing fuel pump vibration isolation structure is relatively complex in design structure and large in arrangement space by arranging the support vibration isolation structure between the fuel pump and the oil storage barrel, occupies the space of a fine filter outside a fuel pump motor, and is not beneficial to the design of dust containing capacity of the fine filter.

Disclosure of Invention

An object of the utility model is to provide an improve vibration isolation structure of fuel pump noise to solve among the prior art support vibration isolation structure complicated, occupy the technical problem in secondary filter arrangement space.

In order to solve the technical problem, the utility model discloses an adopt following technical scheme to realize:

the utility model provides an improve vibration isolation structure of fuel pump noise, includes fuel pump secondary filter 1 and oil storage bucket 2:

the outer wall of the fine filter 1 of the fuel pump is provided with a vibration isolation mechanism 3, and the vibration isolation mechanism 3 is provided with a connecting mechanism 4;

the oil storage barrel 2 is sleeved on the outer side of the fuel pump fine filter 1, and a mounting groove 21 which is connected with the connecting mechanism 4 in a matched mode is formed in the barrel wall of the oil storage barrel.

Furthermore, the vibration isolation mechanism 3 is an omega-shaped flexible component, two ends of the vibration isolation mechanism are connected with the fine fuel pump filter 1, and the arc top of the vibration isolation mechanism is connected with the connecting mechanism 4.

Furthermore, the number of the vibration isolation mechanisms 3 is three, and the vibration isolation mechanisms are distributed on the outer wall of the fine fuel pump filter 1 along the circumferential direction.

Further, coupling mechanism 4 includes joint piece 41, joint piece 41 is "worker" font structure, its first horizontal limit 42 and the horizontal limit 43 inboard of second be provided with respectively with 2 inner walls of oil storage bucket and outer wall assorted arcwall face, its middle montant 44 with the mounting groove 21 looks adaptation of oil storage bucket 2.

Furthermore, the fuel pump fine filter 1, the vibration isolation mechanism 3 and the connecting mechanism 4 are of an integrally formed structure made of plastic materials.

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

the utility model provides a pair of improve vibration isolation structure of fuel pump noise, simple structure, platformization commonality are strong, and the fuel pump motor vibration passes through the utility model discloses a vibration isolation mechanism carries out energy attenuation, and the rethread sets up the coupling mechanism transmission in vibration isolation mechanism for the oil storage bucket, can bigger reduction assembly level vibration to improve fuel pump assembly noise level.

The utility model discloses at fuel pump secondary filter and oil storage bucket junction design vibration isolation mechanism, the vibration isolation route is closer to the vibration source, and vibration isolation mechanism is close to the oil storage bucket fixed point simultaneously, can provide bigger layout space for the secondary filter to satisfy the requirement of big appearance dirt volume.

Drawings

The invention will be further described with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a fine filter in the embodiment;

FIG. 2 is a schematic view of an embodiment of the oil storage barrel;

FIG. 3 is a schematic view showing the assembly of the fine filter and the oil storage barrel in the embodiment;

in the above figures:

1. the fuel pump fine filter, 2, the oil storage barrel, 21, the mounting groove, 3, the vibration isolation mechanism, 4, the connecting mechanism, 41, the clamping block, 42, the first transverse edge, 43, the second transverse edge and 44, the middle vertical rod.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the present invention with reference to the accompanying drawings makes it clear that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 and 2, the present embodiment provides a vibration isolation structure for improving noise of a fuel pump, including a fuel pump fine filter 1 and an oil storage barrel 2:

the upper end of the outer wall of the fine filter 1 of the fuel pump is circumferentially provided with three vibration isolation mechanisms 3, and each vibration isolation mechanism 3 is provided with a connecting mechanism 4; in this embodiment, the fuel pump fine filter 1, the vibration isolation mechanism 3, and the connection mechanism 4 are integrally formed of a plastic material.

The oil storage barrel 2 is sleeved on the outer side of the fuel pump fine filter 1, and a mounting groove 21 which is connected with the connecting mechanism 4 in a matching mode is formed in the barrel wall of the oil storage barrel.

The vibration isolation mechanism 3 is an omega-shaped flexible component, two ends of the vibration isolation mechanism are connected with the fuel pump fine filter 1, and an arc top of the vibration isolation mechanism is connected with the connecting mechanism 4.

Coupling mechanism 4 is including setting up the joint piece 41 on the flexible part arc top of omega shape of vibration isolation mechanism 3, joint piece 41 is "worker" font structure, its first horizontal limit 42 and the horizontal limit 43 inboard of second be provided with respectively with 2 inner walls of oil storage bucket and outer wall assorted arcwall face, montant 44 in the middle of it with the mounting groove 21 looks adaptation joint of oil storage bucket 2.

Referring to fig. 3, the working principle of the vibration isolation structure for improving the noise of the fuel pump according to the present embodiment is as follows:

the fuel pump motor and the fuel pump fine filter 1 are assembled together through interference insertion of a sealing element; the fuel pump fine filter 1 and the oil storage barrel 2 are assembled together in a clamping mode through the clamping blocks 41 and the installation grooves 21.

The vibration energy of fuel pump motor during operation through with the assembly cooperation position of fuel pump secondary filter 1 transmits extremely fuel pump secondary filter 1, this vibration energy transmission extremely behind vibration isolation mechanism 3, through omega shape flexible component's deformation has been absorbed and the decay, has reduced the vibration energy of fuel pump motor by a wide margin, passes through at last joint piece 41 the joint cooperation part of mounting groove 21 on the oil storage bucket 2 is passed extremely oil storage bucket 2 effectively improves low frequency order and total sound pressure level noise in the low frequency range, has reduced assembly level vibration, effectively improves car internal combustion oil pump noise quality, promotes driver and crew noise experience comfort level in the car.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on 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 referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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

1. The utility model provides an improve vibration isolation structure of fuel pump noise, includes fuel pump secondary filter (1) and oil storage bucket (2), its characterized in that:

the outer wall of the fine filter (1) of the fuel pump is provided with a vibration isolation mechanism (3), and the vibration isolation mechanism (3) is provided with a connecting mechanism (4);

the oil storage barrel (2) is sleeved on the outer side of the fine filter (1) of the fuel pump, and a mounting groove (21) which is connected with the connecting mechanism (4) in a matched mode is formed in the barrel wall of the oil storage barrel.

2. The fuel pump noise reduction vibration isolation structure according to claim 1, wherein the vibration isolation mechanism (3) is an omega-shaped flexible component, two ends of the omega-shaped flexible component are connected with the fine fuel pump filter (1), and an arc top of the omega-shaped flexible component is connected with the connecting mechanism (4).

3. The vibration isolation structure for improving the noise of the fuel pump according to claim 1, wherein the number of the vibration isolation mechanisms (3) is three, and the vibration isolation mechanisms are circumferentially distributed on the outer wall of the fine fuel pump filter (1).

4. The vibration isolation structure for improving the noise of the fuel pump according to claim 1, wherein the connecting mechanism (4) comprises a clamping block (41), the clamping block (41) is of an I-shaped structure, the inner sides of a first transverse edge (42) and a second transverse edge (43) of the clamping block are respectively provided with an arc-shaped surface matched with the inner wall and the outer wall of the oil storage barrel (2), and a middle vertical rod (44) of the clamping block is matched with the mounting groove (21) of the oil storage barrel (2).

5. The vibration isolation structure for improving the noise of the fuel pump according to claim 1, wherein the fine filter (1) of the fuel pump, the vibration isolation mechanism (3) and the connecting mechanism (4) are integrally formed by plastic materials.