CN215706165U

CN215706165U - Energy absorption box and front anti-collision beam assembly

Info

Publication number: CN215706165U
Application number: CN202120829022.4U
Authority: CN
Inventors: 朱鸿涛; 陈珊
Original assignee: Wuhan Vocational College Of Software And Engineering (the Open University Of Wuhan)
Current assignee: Wuhan Vocational College Of Software And Engineering (the Open University Of Wuhan)
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-02-01
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses an energy absorption box and a front anti-collision beam assembly, and relates to the technical field of automobiles, wherein the energy absorption box comprises an energy absorption barrel, a first mounting plate and a second mounting plate which are respectively arranged at two ends of the energy absorption barrel, wherein a first hinge seat is arranged on one side of the first mounting plate, which is far away from the energy absorption barrel, and the first hinge seat is hinged and fixed with an anti-collision beam; the wall of the energy absorption cylinder is provided with a plurality of crushing structures, and the crushing structures are arranged in a chessboard shape. The utility model can solve the technical problem that the energy absorption box is torn due to the fact that the energy absorption box is fixedly connected with the anti-collision beam, a fixed connection structure of the energy absorption box blocks micro rotation of the anti-collision beam in vehicle offset collision, and collision energy can not be well decomposed in the prior art.

Description

Energy absorption box and front anti-collision beam assembly

Technical Field

The utility model relates to the technical field of automobiles, in particular to an energy absorption box and a front anti-collision beam assembly.

Background

The automobile front anti-collision beam assembly is used as an important safety part of an automobile body and generally comprises an anti-collision cross beam and an energy absorption box, wherein two ends of the energy absorption box are respectively and fixedly connected to the anti-collision cross beam and an automobile body longitudinal beam. When the automobile collides at a low speed, the high-strength anti-collision beam structure effectively reduces the invasion of obstacles to the automobile, reduces the damage degree of the automobile and reduces the maintenance cost. When the automobile is collided at a high speed, the collision-proof cross beam decomposes collision energy, the energy-absorbing box collapses to absorb energy, and simultaneously the collision energy is transmitted to the automobile body along the longitudinal beam, so that the injury to passengers is reduced.

However, the crash boxes of the existing vehicles are usually fixedly connected between the anti-collision cross beam and the vehicle body longitudinal beam, and in the offset collision of the vehicles, the fixedly connected structure of the crash box will block the micro-rotation of the anti-collision cross beam, so that the collision energy cannot be well decomposed, which will cause the crash box to be torn. In addition, the existing energy absorption box also has the technical problems that the rigidity is strong and the collision energy cannot be well buffered.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide an energy absorption box, and aims to solve the technical problem that the energy absorption box is torn due to the fact that the energy absorption box is fixedly connected with an anti-collision cross beam, a fixed connection structure of the energy absorption box blocks micro rotation of the anti-collision cross beam in vehicle offset collision, and collision energy can not be well decomposed.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the energy absorption box comprises an energy absorption cylinder, a first mounting plate and a second mounting plate, wherein the first mounting plate and the second mounting plate are respectively arranged at two ends of the energy absorption cylinder; the wall of the energy absorption cylinder is provided with a plurality of crushing structures, and the crushing structures are arranged in a chessboard shape.

Compared with the prior art, the utility model has the following beneficial effects: the energy absorption box is hinged and fixed with the anti-collision beam through the first hinge seat, and the anti-collision beam can slightly rotate relative to the energy absorption box in the offset collision of a vehicle, so that collision energy can be effectively decomposed; and the wall of the energy absorption tube of the energy absorption box is provided with a chessboard-shaped crushing structure, so that the energy absorption tube can be effectively collapsed to absorb collision energy greatly no matter which angle is offset collision, and the damage to a vehicle body is weakened.

According to an aspect of the above technical solution, the first hinge base is disposed at a middle position of the first mounting plate.

According to an aspect of above-mentioned technical scheme, first articulated seat includes annular connecting portion and column connecting portion, column connecting portion are connected to the middle part position of first mounting panel, annular connecting portion locate keep away from in the column connecting portion one side of first mounting panel, annular connecting portion connect the anticollision crossbeam.

According to one aspect of the above technical solution, the energy absorbing cylinder is cylindrically disposed.

According to one aspect of the technical scheme, the crushing structure is arranged in a strip shape and is spirally arranged on the wall of the energy-absorbing cylinder.

According to one aspect of the technical scheme, the crushing structure is arranged on one side, close to the first mounting plate, of the energy absorption cylinder.

According to one aspect of the technical scheme, the crushing structure is arranged in a region between a longitudinal center line of the energy absorption cylinder and the first mounting plate.

According to one aspect of the above technical solution, the crushing structures include a plurality of first crushing structures extending clockwise and a plurality of second crushing structures extending counterclockwise, and the first crushing structures and the second crushing structures are arranged in an intersecting manner.

According to one aspect of the above technical solution, the first crushing structure and the second crushing structure are both in a groove-like arrangement.

Based on the same technical problem, the utility model also provides a front anti-collision beam assembly which comprises an anti-collision beam and the energy absorption box in the technical scheme, wherein a second hinged seat is arranged on one side, facing the energy absorption box, of the anti-collision beam, and the second hinged seat and the first hinged seat of the energy absorption box are locked through a fastener.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

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

FIG. 2 is a schematic structural view of an energy absorber canister in an energy absorber box according to a first embodiment of the present invention;

FIG. 3 is a schematic structural view of a front impact beam assembly in a second embodiment of the present invention;

the figure elements are illustrated in symbols:

the energy absorption structure comprises an energy absorption box 100, an energy absorption tube 10, a crushing structure 11, a first crushing structure 111, a second crushing structure 112, a first mounting plate 20, a second mounting plate 30, a first hinge seat 40, an annular connecting part 41, a columnar connecting part 42, an anti-collision beam 200 and a second hinge seat 201.

Detailed Description

In order to make the objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and not for purposes of indicating or implying that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and can, for example, 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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, a first embodiment of the present invention provides a crash box 100, which is disposed between a bumper beam and a body side rail of an automobile, and is used for absorbing collision energy generated during a collision of the automobile, so as to weaken energy transmitted to the body and reduce maintenance cost of the automobile.

Specifically, the energy absorbing box 100 includes an energy absorbing cylinder 10, and the energy absorbing cylinder 10 is cylindrical, and has a structural outline substantially similar to that of the energy absorbing cylinder 10 in the prior art, and will not be described herein. The energy absorption box 100 further includes a first mounting plate 20 and a second mounting plate 20 respectively disposed at two ends of the energy absorption cylinder 10, and the first mounting plate 20 and the second mounting plate 20 can be fixed to the end of the energy absorption cylinder 10 by welding. The first mounting plate 20 is provided with a first hinge seat 40 at one side far away from the energy-absorbing cylinder 10, and the first hinge seat 40 is hinged and fixed with the anti-collision beam, so that the energy-absorbing box 100 can be rotatably connected with the anti-collision beam, when the vehicle is in offset collision, the anti-collision beam can slightly rotate relative to the energy-absorbing box 100, and the collision energy can be effectively decomposed; moreover, the wall of the energy-absorbing tube 10 is provided with a plurality of crushing structures 11, and the plurality of crushing structures 11 are arranged in a chessboard shape, so that it is easy to understand that the energy-absorbing box 100 has at least two directional collapsing spaces.

In the automobile using the crash box 100 of the present embodiment, for example, during an offset collision, the crash beam can slightly rotate relative to the crash box 100, so that the collision energy can be effectively decomposed, and on the basis, the crush structure 11 can further cause the crash tube 10 to collapse in the direction opposite to the collision direction, thereby effectively absorbing the collision energy and reducing the maintenance cost of the vehicle.

In this embodiment, the first hinge base 40 is disposed at a middle position of the first mounting plate 20. The first hinge base 40 includes an annular connecting portion 41 and a cylindrical connecting portion 42, the cylindrical connecting portion 42 is connected to the middle position of the first mounting plate 20, the annular connecting portion 41 is disposed on one side of the cylindrical connecting portion 42 away from the first mounting plate 20, and the annular connecting portion 41 is connected to the anti-collision beam.

The crush structure 11 of the energy absorber 10 is described in detail below: the crushing structure 11 is arranged in a strip shape and is spirally arranged on the wall of the energy-absorbing cylinder 10.

In order to ensure that the energy-absorbing box 100 has good collapse capability and ensure the strength of the energy-absorbing box 100, the crushing structure 11 is arranged on one side of the energy-absorbing cylinder 10 close to the first mounting plate 20, specifically, the crushing structure 11 is arranged in a region from the longitudinal center line of the energy-absorbing cylinder 10 to the first mounting plate 20. This provides sufficient strength to the remainder of the energy absorber 10, except for the crush structure 11.

Those skilled in the art will readily appreciate that in other embodiments, the crush structure 11 can be located elsewhere on the energy absorber 10, such as on the side adjacent the second mounting plate 20.

In this embodiment, the crush structures 11 include a plurality of first crush structures 111 extending clockwise and a plurality of second crush structures 112 extending counterclockwise, and the first crush structures 111 and the second crush structures 112 are disposed in an intersecting manner, that is, the first crush structures 111 and the second crush structures 112 extend in different directions on the energy-absorbing tube 10. Further, the first crushing structure 111 and the second crushing structure 112 are both groove-shaped.

By way of example and not limitation, the first crush structure 111 and the second crush structure 112 are both recessed toward the inside of the energy-absorbing tube 10, the first crush structure 111 and the second crush structure 112 are both formed by punching a plate material, and the plate material is bent and welded to obtain the energy-absorbing tube 10.

Referring to fig. 3, a second embodiment of the present invention provides a front impact beam assembly disposed at the foremost end of a vehicle, the front impact beam assembly including an impact beam 200, typically made of aluminum alloy or steel, and the energy absorption box 100 of the first embodiment, wherein the impact beam 200 is provided with a second hinge seat 201 at a side facing the energy absorption box 100, and the second hinge seat 201 is locked with the first hinge seat 40 of the energy absorption box 100 by a fastener (not shown).

As can be easily understood, for the purpose of enabling the crash beam 200 to rotate as much as the energy absorption box 100, the second hinge seat 201 of the crash beam 200 is similar in structure to the first hinge seat 40 of the energy absorption box 100; such as cooperating bolt and nut members.

In the automobile using the crash box 100 of the present embodiment, for example, during an offset collision, the crash beam 200 can slightly rotate relative to the crash box 100, so that the collision energy can be effectively decomposed, and on the basis, the crush structure 11 can further collapse the energy-absorbing tube 10 in the direction opposite to the collision direction, thereby effectively absorbing the collision energy and reducing the maintenance cost of the vehicle.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the utility model, and these changes and modifications are all within the scope of the utility model. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A crash box, comprising: the energy absorption box comprises an energy absorption barrel, a first mounting plate and a second mounting plate, wherein the first mounting plate and the second mounting plate are respectively arranged at two ends of the energy absorption barrel; the wall of the energy absorption cylinder is provided with a plurality of crushing structures, and the crushing structures are arranged in a chessboard shape.

2. The crash box of claim 1, wherein: the first hinged seat is arranged at the middle position of the first mounting plate.

3. The crash box of claim 2, wherein: first articulated seat includes annular connecting portion and column connecting portion, column connecting portion are connected to the middle part position of first mounting panel, annular connecting portion are located keep away from in the column connecting portion one side of first mounting panel, annular connecting portion connect the anticollision crossbeam.

4. The crash box of claim 1, wherein: the energy absorption cylinder is arranged in a cylindrical shape.

5. The crash box of any one of claims 1-4, wherein: the crushing structure is arranged in a strip shape and is spirally arranged on the wall of the energy-absorbing cylinder.

6. The crash box of claim 5, wherein: the crushing structure is arranged on one side, close to the first mounting plate, of the energy absorption cylinder.

7. The crash box of claim 6, wherein: the crushing structure is arranged in a region between a longitudinal center line of the energy-absorbing cylinder and the first mounting plate.

8. The crash box of claim 5, wherein: the crushing structures comprise a plurality of first crushing structures in a clockwise direction and a plurality of second crushing structures in a counterclockwise direction, and the first crushing structures and the second crushing structures are arranged in an intersecting mode.

9. The crash box of claim 8, wherein: the first crushing structure and the second crushing structure are both in groove-shaped arrangement.

10. The utility model provides a preceding crashproof roof beam assembly, includes crashproof crossbeam, its characterized in that: the front impact beam assembly further comprises the energy absorption box of any one of claims 1 to 9, wherein the impact beam is provided with a second hinge seat on a side facing the energy absorption box, and the second hinge seat is locked with the first hinge seat of the energy absorption box through a fastener.