CN112026703B

CN112026703B - Energy absorber

Info

Publication number: CN112026703B
Application number: CN202010761743.6A
Authority: CN
Inventors: 陈克琴
Original assignee: Dongfeng Yanfeng Automotive Trim Systems Co Ltd
Current assignee: Dongfeng Yanfeng Automotive Trim Systems Co Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-10-29
Anticipated expiration: 2040-07-31
Also published as: CN112026703A

Abstract

The invention provides an energy absorber which comprises a base and an energy absorption unit, wherein a plurality of mounting holes are formed in the base; the energy-absorbing unit comprises a plurality of first subunits and a plurality of second subunits, the first subunits are connected with the second subunits in a clamped mode in the longitudinal and transverse directions, and the first subunits and the second subunits are installed in the mounting holes. The embodiment of the invention provides an energy absorber, wherein a first subunit and a second subunit are mutually clamped in the longitudinal and transverse directions, a verification link is rapidly adjusted in the development process, and a plurality of projects are switched and applied across the projects, so that the verification and development period can be reduced, and the subunits have the characteristic of recycling.

Description

Energy absorber

Technical Field

The invention relates to the technical field of impact energy absorption of automotive interiors, in particular to an energy absorber.

Background

With the increasing requirements on the safety of automobiles, in passenger cars and other vehicles, when a collision accident occurs, the injury of the accident to drivers and passengers needs to be reduced to the greatest extent, so that an energy absorber for absorbing energy needs to be arranged in a space between an interior trim part and an inner and outer sheet metal part of a car body, wherein the space is an area with high injury possibility to the drivers and passengers. When a driver and an interior part are contacted due to a collision accident, the impact load to the driver is reduced by using the energy absorber, so that the injury index to the driver is reduced.

The absorber is made of resin synthetic materials, is composed of a base and a plurality of independent subunits, is assembled together in a buckling and clamping mode, adapts to the optimized adjustment of the impact force of a single project by adjusting the data of the subunits, can reduce the verification and development period by switching and applying a plurality of projects in a cross-project mode, and has the characteristic of recycling.

Therefore, when the vehicle is in side collision, the inner and outer door plates deform towards the inside of the vehicle, and the absorber is slightly collapsed and deformed after applying a load between the door plate and the inner and outer door plates along the axial direction, so that the collision energy is fully absorbed, and the injury value to drivers and passengers is reduced.

Disclosure of Invention

The embodiment of the invention provides an energy absorber, which aims to solve the problems that the verification and development period is long and subunits of the energy absorber cannot be recycled in the related technology.

The energy absorber is characterized by comprising a base and an energy absorbing unit, wherein the base is provided with a plurality of mounting holes; the energy-absorbing unit comprises a plurality of first subunits and a plurality of second subunits, the first subunits are connected with the second subunits in a clamped mode in the longitudinal and transverse directions, and the first subunits and the second subunits are installed in the mounting holes.

In some embodiments, the first and second subunits each comprise recesses and protrusions, which are alternately arranged and connected to each other.

In some embodiments, the first and second subunits are each of a zig-zag configuration.

In some embodiments, reinforcing ribs are arranged in the concave part and the convex part, and the reinforcing ribs are provided with straight notches.

In some embodiments, the first subunit and the second subunit are each provided with a flange on the side.

In some embodiments, the side edges of the first and second subunits are rounded.

In some embodiments, the top of the convex portion of the first and second sub-units is provided with a positioning structure.

In some embodiments, the width of the first and second sub-units is set to 24mm, and the height of the first and second sub-units is set to 50-80 mm.

The technical scheme provided by the invention has the beneficial effects that:

the embodiment of the invention provides an energy absorber, wherein a first subunit and a second subunit are mutually clamped in the longitudinal and transverse directions, a verification link is rapidly adjusted in the development process, and a plurality of projects are switched and applied across the projects, so that the verification and development period can be reduced, and the subunits have the characteristic of recycling.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural view of an energy absorber according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a base according to an embodiment of the present invention;

FIG. 3 is a schematic view of another angle of the base according to the embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a first sub-unit according to the present invention;

fig. 5 is a schematic structural diagram of a second subunit according to the present invention.

In the figure: 1. a base; 11. a screw connection part; 21. a first subunit; 22. a second subunit; 30. reinforcing ribs; 40. and (4) a notch.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

The embodiment of the invention provides an energy absorber, which can solve the problems that the verification and development period is long and subunits of the energy absorber cannot be recycled in the related technology.

Referring to fig. 1-3, an energy absorber includes a base 1 and an energy absorbing unit, wherein the base 1 is provided with a plurality of mounting holes; the energy-absorbing unit comprises a plurality of first subunits 21 and a plurality of second subunits 22, the first subunits 21 and the second subunits 22 are clamped with each other in the longitudinal and transverse directions, and the first subunits 21 and the second subunits 22 are installed in the mounting holes.

The utility model provides an energy absorber, through the mode of integrated module, increases the constitutional mode of the subunit of taking the energy-absorbing function on fixed base, and the energy absorber that can effectual realization anticipated energy absorption effect is adjusted in dismouting quantity. The invention can realize the quick adjustment of the verification link in the process of project development, can realize the application of cross projects, adopts a clamping connection mode for the subunit structure, and has the characteristic of recycling. The square holes of 15-15 are distributed on the upper matrix, so that the subunits can be fixed in a staggered manner by longitudinal grooves in unlimited directions, and the energy absorption requirement is met. The subunit sets for two kinds of specifications, can adapt to the adjustment of two dimensions within a certain limit, and is vertically and transversely crisscross fixed according to the distribution requirement, and is few to the dismouting restriction, and the dismouting is fast. The counter force of the bearable load 500N of the subunit can be used for rapidly realizing verification change and cross-project application within a certain range in an increasing or reducing mode according to different vehicle type load requirements of different customers.

As described above, according to the present invention, the screw portions 11 are provided on both sides of the base 1.

In a preferred embodiment, referring to fig. 4-5, the first subunit 21 and the second subunit 22 each include concave portions and convex portions, which are alternately disposed and connected to each other.

In a preferred embodiment, the first subunit 21 and the second subunit 22 are both of a bow-shaped structure.

In a preferred embodiment, reinforcing ribs are arranged in the concave portions and the convex portions, the reinforcing ribs are provided with straight notches 40, the notches 40 are used for mutually clamping the first sub-units 21 and the second sub-units 22, specifically, the plurality of first sub-units 21 are transversely arranged, the plurality of second sub-units 22 are longitudinally arranged, and the plurality of first sub-units 21 and the plurality of second sub-units 22 are mutually clamped in the longitudinal and transverse directions to form a grid-shaped energy absorber.

In a preferred embodiment, the first subunit 21 and the second subunit 22 are each provided with a flange at the side.

In a preferred embodiment, the side edges of the first subunit 21 and the second subunit 22 are rounded.

In a preferred embodiment, the top of the protruding portion of the first and

second sub-units

21 and 22 is provided with a positioning structure, and the positioning device is used to facilitate the disassembly of the first and

second sub-units

21 and 22.

In a preferred embodiment, the width of the first subunit 21 and the second subunit 22 is set to 24mm, and the height of the first subunit 21 and the second subunit 22 is set to 50-80 mm.

The technical scheme provided by the invention has the beneficial effects that:

the embodiment of the invention provides an energy absorber, wherein a first subunit 21 and a second subunit 22 are mutually clamped in the longitudinal direction and the transverse direction, a verification link is rapidly adjusted in the development process, a plurality of projects are switched and applied in a cross-project mode, the verification and development period can be reduced, and the subunits have the characteristic of recycling.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice 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. An energy absorber, comprising:

the base is provided with a plurality of mounting holes;

the energy absorption unit comprises a plurality of first subunits and a plurality of second subunits, the first subunits and the second subunits are clamped with each other in the longitudinal and transverse directions, and the first subunits and the second subunits are arranged in the mounting holes;

the first subunit and the second subunit both comprise concave parts and convex parts which are alternately arranged and connected with each other;

reinforcing ribs are arranged in the concave part and the convex part, and the reinforcing ribs are provided with linear notches.

2. The energy absorber of claim 1, wherein the first and second subunits are each of a chevron configuration.

3. The energy absorber of claim 1, wherein the sides of the first subunit and the second subunit are each provided with a cuff.

4. The energy absorber of claim 1, wherein the side edges of the first subunit and the second subunit are rounded.

5. The energy absorber of claim 1, wherein the peaks of the lobes of the first and second subunits are provided with locating structures.

6. The energy absorber of claim 1, wherein the width of the first subunit and the second subunit is set to 24mm and the height of the first subunit and the second subunit is set to 50-80 mm.