CN217598480U

CN217598480U - Energy absorbing structure for vehicle door guard plate

Info

Publication number: CN217598480U
Application number: CN202221030423.4U
Authority: CN
Inventors: 胡刚; 王丹丹; 王迦; 沈洪析
Original assignee: FAW Bestune Car Co Ltd
Current assignee: FAW Bestune Car Co Ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-10-18
Anticipated expiration: 2032-04-29

Abstract

The utility model relates to an energy-absorbing structure for door backplate, including setting up the hollow out construction at door backplate body framework internal surface of moulding plastics, hollow out construction's central point and seat reference point R parallel and level, hollow out construction includes two-layer fretwork energy absorption layer, be first fretwork energy absorption layer and second fretwork energy absorption layer respectively, first fretwork energy absorption layer is the hollow box-like structure with door backplate body framework internal surface of moulding plastics integrated into one piece, be provided with the second fretwork energy absorption layer with the hollow box-like structure of first fretwork energy absorption layer integrated into one piece on the first fretwork energy absorption layer, be provided with a plurality of through-holes on the second fretwork energy absorption layer, the position that lies in second fretwork energy absorption layer outside on the first fretwork energy absorption layer also is provided with a plurality of through-holes, the through-hole is the rectangle; the structure is beneficial to ensuring the consistency of products, the part cost is reduced while the protection effect is achieved, the structure can be parametrically controlled, and the development efficiency is improved through early-stage simulation analysis.

Description

Energy absorption structure for vehicle door guard plate

Technical Field

The utility model belongs to the technical field of automobile parts, concretely relates to energy-absorbing structure for door backplate.

Background

At present, more and more passenger cars are driven into families, safety problems become an important index concerned by consumers, and when a vehicle is laterally collided, an energy absorption structure of a door guard plate plays a vital role in protecting driving and riding. More and more automobile manufacturers are looking to use a lower cost structure that absorbs energy. Current common energy-absorbing structure generally adopts PU or PS foaming piece or injection molding structure alone, is unfavorable for whole car cost control, and assembles the uniformity relatively poor, is unfavorable for carrying out parameter optimization through means such as CAE.

Disclosure of Invention

An object of the utility model is to provide an energy-absorbing structure for door backplate to the problem of solution.

The utility model aims at realizing through the following technical scheme:

an energy absorption structure for a vehicle door guard plate comprises a hollow structure arranged on the inner surface of an injection molding framework of a vehicle door guard plate body;

the hollow structure comprises two hollow energy absorbing layers, namely a first hollow energy absorbing layer 1 and a second hollow energy absorbing layer 2; first fretwork can layer 1 be for moulding plastics skeleton internal surface integrated into one piece's hollow box structure with door backplate body, is provided with hollow box structure's second fretwork can layer 2 on the first fretwork can layer 1.

Further, the second hollow energy absorbing layer 2 and the first hollow energy absorbing layer 1 are integrally formed.

Furthermore, a plurality of through holes are formed in the second hollow energy absorption layer 2, and a plurality of through holes are also formed in the first hollow energy absorption layer 1 at the position outside the second hollow energy absorption layer 2.

Furthermore, the plurality of through holes on the first hollow energy absorbing layer 1 and the second hollow energy absorbing layer 2 are arranged in a plurality of rows along the length direction and in a plurality of columns along the width direction.

Furthermore, the through holes in the first hollow energy absorbing layer 1 and the through holes in the second hollow energy absorbing layer 2 are both rectangular.

Furthermore, the thickness of the plate of the first hollow energy absorption layer 1 and the second hollow energy absorption layer 2 is 2.0mm.

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

the utility model is used for energy-absorbing structure of door backplate, hollow out construction's first fretwork can inhale the layer and the skeleton integrated into one piece that moulds plastics, and first fretwork can inhale layer and second fretwork hole and can inhale layer integrated into one piece, is favorable to guaranteeing the product uniformity, when reaching the guard action, reduces the part cost, and the structure can parameterize control, through analog analysis in earlier stage, improves development efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of an energy absorbing structure for a door fender of the present invention;

FIG. 2 is a back structural schematic view of an energy absorbing structure for a door trim;

FIG. 3 is an illustration of an energy absorbing structure deployment location.

In the figure: 1. the first hollow energy absorbing layer 2 is a second hollow energy absorbing layer.

Detailed Description

The present invention will be further described with reference to the following examples:

as shown in fig. 1, the utility model provides an energy-absorbing structure for door backplate, including setting up the hollow out construction at door backplate body skeleton internal surface of moulding plastics, hollow out construction's central point and seat reference point R relation are as shown in fig. 3.

The hollow structure comprises two hollow energy absorption layers, namely a first hollow energy absorption layer 1 and a second hollow energy absorption layer 2.

First fretwork can absorb layer 1 for mould plastics skeleton internal surface integrated into one piece's hollow box structure with door backplate body, is provided with on the first fretwork can absorb layer 1 with first fretwork can absorb layer 1 integrated into one piece's hollow box structure's second fretwork can absorb layer 2.

A plurality of through holes are formed in the second hollow energy absorption layer 2, and a plurality of through holes are also formed in the first hollow energy absorption layer 1 at the position outside the second hollow energy absorption layer 2.

A plurality of through holes on the first hollow energy absorbing layer 1 and the second hollow energy absorbing layer 2) are arranged in a plurality of rows along the length direction and in a plurality of columns along the width direction.

The through holes in the first hollow energy absorption layer 1 and the through holes in the second hollow energy absorption layer 2 are rectangular.

The thickness of the plate of the first hollow energy absorbing layer 1 and the second hollow energy absorbing layer 2 is 2.0mm.

Example 1

The utility model provides an energy-absorbing structure for door backplate, is including setting up the hollow out construction at door backplate body skeleton internal surface of moulding plastics.

The hollow structure comprises two hollow energy absorbing layers, namely a first hollow energy absorbing layer 1 and a second hollow energy absorbing layer 2.

12 through holes are formed in the second hollow energy absorption layer 2, and 10 through holes are also formed in the first hollow energy absorption layer 1 and located outside the second hollow energy absorption layer 2.

The 10 through holes in the first hollow energy absorbing layer 1 are arranged in 5 rows along the length direction and in 3 rows along the width direction.

The 12 through holes in the second hollow energy absorption layer 2 are arranged in 5 rows along the length direction and in 4 rows along the width direction.

The through holes in the first hollow energy absorbing layer 1 and the through holes in the second hollow energy absorbing layer 2 are both rectangular.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides an energy-absorbing structure for door backplate which characterized in that: the door protection plate comprises a hollow structure arranged on the inner surface of an injection molding framework of a door protection plate body;

the hollow structure comprises two hollow energy absorption layers, namely a first hollow energy absorption layer (1) and a second hollow energy absorption layer (2); first fretwork is inhaled can layer (1) and is moulded plastics skeleton internal surface integrated into one piece's hollow box structure with door backplate body, is provided with hollow box structure's second fretwork on first fretwork is inhaled can layer (1) and is inhaled can layer (2).

2. The energy absorbing structure for a door trim according to claim 1, wherein: the second hollow energy absorption layer (2) and the first hollow energy absorption layer (1) are integrally formed.

3. The energy absorbing structure for a door trim according to claim 1, wherein: the second hollow energy absorption layer (2) is provided with a plurality of through holes, and the first hollow energy absorption layer (1) is also provided with a plurality of through holes at the position outside the second hollow energy absorption layer (2).

4. The energy absorbing structure for a door trim according to claim 3, wherein: a plurality of through holes in the first hollow energy absorbing layer (1) and the second hollow energy absorbing layer (2) are arranged in multiple rows along the length direction and in multiple columns along the width direction.

5. The energy absorbing structure for a door trim according to claim 4, wherein: the through holes in the first hollow energy absorption layer (1) and the through holes in the second hollow energy absorption layer (2) are rectangular.

6. The energy absorbing structure for a door trim according to claim 1, wherein: the thickness of the plate of the first hollow energy absorption layer (1) and the thickness of the plate of the second hollow energy absorption layer (2) are both 2.0mm.