CN219584126U

CN219584126U - Front anti-collision beam structure and vehicle

Info

Publication number: CN219584126U
Application number: CN202320888452.2U
Authority: CN
Inventors: 陈思捷; 周勇飞; 高维华; 容哲
Original assignee: GAC Honda Automobile Co Ltd; Guangqi Honda Automobile Research and Development Co Ltd
Current assignee: GAC Honda Automobile Co Ltd; Guangqi Honda Automobile Research and Development Co Ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-08-25
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a front anti-collision beam structure and a vehicle, which comprises a beam and an energy absorption box, wherein the beam comprises a front beam part and a rear beam part, the front beam part and the rear beam part are formed by stamping through metal plates, a first convex rib formed by stamping is arranged between a first edge and a second edge of the front beam part, the first convex rib bulges outwards and extends along the length direction of the front beam part, a second convex rib formed by stamping is arranged between a third edge and a fourth edge of the rear beam part, the second convex rib bulges outwards and extends along the length direction of the rear beam part, the first edge of the front beam part is welded with the third edge of the rear beam part, the second edge of the front beam part is welded with the fourth edge of the rear beam part, and the front beam part and the rear beam part form a cavity beam. The body strength of the cross beam is large, the bending resistance is better, the impact force caused by collision can be better absorbed, and the safety performance of the automobile is improved.

Description

Front anti-collision beam structure and vehicle

Technical Field

The utility model is used in the field of automobiles, and particularly relates to a front anti-collision beam structure and a vehicle.

Background

When the automobile collides, the excellent anti-collision beam structure can effectively absorb impact energy, so that the damage of the passenger cabin and the automobile body structure is reduced, the injury degree of passengers can be reduced, and the maintenance cost can be reduced. The anti-collision beam is an important safety component of the automobile, and the bending resistance of the anti-collision beam is an important measure of the safety performance of the automobile when collision occurs. The existing anti-collision beam is poor in structural strength, weak in bending resistance and low in energy absorption efficiency.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art and provides a front anti-collision beam structure and a vehicle.

The technical scheme adopted for solving the technical problems is as follows:

in a first aspect, a front bumper beam structure includes a beam and an energy-absorbing box, the beam includes a front beam member and a rear beam member, the front beam member and the rear beam member are formed by stamping a metal plate, the front beam member has a first edge and a second edge extending along a length direction, the front beam member is provided with a first rib formed by stamping between the first edge and the second edge, the first rib bulges outwards and extends along the length direction of the front beam member, the rear beam member has a third edge and a fourth edge extending along the length direction, the rear beam member is provided with a second rib formed by stamping between the third edge and the fourth edge, the second rib bulges outwards and extends along the length direction of the rear beam member, the first edge of the front beam member is welded with the third edge of the rear beam member, the second edge of the front beam member is welded with the fourth edge of the rear beam member, and the front beam member forms a cavity with the rear beam member.

With reference to the first aspect, in certain implementation manners of the first aspect, the front beam member has two first ribs, and a cross section of the front beam member is M-shaped.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, the rear beam member has two second ribs, and a cross section of the rear beam member is M-shaped.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the first edge and the second edge of the front beam member each have a first turned edge that is bent outward, and the third edge and the fourth edge of the rear beam member each have a second turned edge that is bent outward, and the first turned edge of the front beam member is butted and welded with the second turned edge of the rear beam member.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the energy-absorbing box includes a first energy-absorbing box, a second energy-absorbing box, a third energy-absorbing box and a fourth energy-absorbing box, where the first energy-absorbing box and the second energy-absorbing box are mirror images of each other and are supported on rear sides of two ends of the beam, the third energy-absorbing box and the fourth energy-absorbing box are mirror images of each other and are supported on rear sides of two ends of the beam, the first energy-absorbing box and the third energy-absorbing box are supported on one end of the beam, and the second energy-absorbing box and the fourth energy-absorbing box are supported on the other end of the beam.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, the first energy-absorbing box and the third energy-absorbing box are provided with crush ribs on surfaces opposite to each other, and the second energy-absorbing box and the fourth energy-absorbing box are provided with crush ribs on surfaces opposite to each other.

With reference to the first aspect and the foregoing implementation manner, in certain implementation manners of the first aspect, ends of the first energy absorption box and the third energy absorption box are mounted on a first mounting plate, ends of the second energy absorption box and the fourth energy absorption box are mounted on a second mounting plate, and bolt connection holes are formed in the first mounting plate and the second mounting plate.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, a first bracket is disposed on an outer side of a middle portion of the front beam member, the first bracket is formed into a box-shaped structure with an open bottom by bending a metal plate backwards, and a rear end of the first bracket is connected to the front beam member.

With reference to the first aspect and the foregoing implementation manner, in some implementation manners of the first aspect, a second bracket is disposed on outer sides of two ends of the front beam member, the second bracket is formed by bending a metal plate backwards to form an n-shaped structure with an upper opening and a lower opening, and a rear end of the second bracket is connected to the front beam member.

A second aspect is a vehicle comprising a front impact beam structure according to any one of the implementations of the first aspect.

One of the above technical solutions has at least one of the following advantages or beneficial effects: according to the technical scheme, the cavity cross beam is formed by the front cross beam part and the rear cross beam part and is used as a bearing structure for mainly coping with pedestrian protection and high-speed and low-speed collision, and the cavity structure of the cross beam and convex ribs formed by punching the front cross beam part and the rear cross beam part are utilized, so that the strength of the body of the cross beam is high, the bending resistance is better, the impact force caused by collision can be better absorbed, and the safety performance of an automobile is improved.

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 foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of one embodiment of a front impact beam structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the cross-beam of one embodiment shown in FIG. 1;

fig. 3 is a front view of one embodiment shown in fig. 1.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the present utility model, if directions (up, down, left, right, front and rear) are described, they are merely for convenience of description of the technical solution of the present utility model, and do not indicate or imply that the technical features must be in a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, "a plurality of" means one or more, and "a plurality of" means two or more, and "greater than", "less than", "exceeding", etc. are understood to not include the present number; "above", "below", "within" and the like are understood to include this number. In the description of the present utility model, the description of "first" and "second" if any is used solely for the purpose of distinguishing between technical features and not necessarily for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the present utility model, unless clearly defined otherwise, terms such as "disposed," "mounted," "connected," and the like should be construed broadly and may be connected directly or indirectly through an intermediate medium, for example; the connecting device can be fixedly connected, detachably connected and integrally formed; can be mechanically connected, electrically connected or capable of communicating with each other; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

In which fig. 1 shows a reference direction coordinate system of an embodiment of the present utility model, and the embodiment of the present utility model is described below with reference to the directions shown in fig. 1.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a front impact beam structure including a beam 100 and a crash box 200, the beam 100 including a front beam member 101 and a rear beam member 102, the front beam member 101 and the rear beam member 102 being formed by stamping a metal plate, for example, by stamping a steel plate, the front beam member 101 having a first edge 103 and a second edge 104 extending in a longitudinal direction, the front beam member 101 being provided with a first bead 105 formed by stamping between the first edge 103 and the second edge 104, the first bead 105 being bulged outwardly and extending in the longitudinal direction of the front beam member 101. Correspondingly, the rear cross member 102 has a third edge 106 and a fourth edge 107 extending in the longitudinal direction, the rear cross member 102 is provided with a second bead 108 formed by punching between the third edge 106 and the fourth edge 107, the second bead 108 bulges outwardly and extends in the longitudinal direction of the rear cross member 102, the first edge 103 of the front cross member 101 is welded to the third edge 106 of the rear cross member 102, the second edge 104 of the front cross member 101 is welded to the fourth edge 107 of the rear cross member 102, the front cross member 101 and the rear cross member 102 form a cavity cross member 100, and the cavity extends in the longitudinal direction of the cross member 100.

With reference to fig. 1 and fig. 2, in the technical solution of the present utility model, two punching members, that is, a front beam member 101 and a rear beam member 102, form a cavity beam 100, and use the cavity beam 100 as a load-bearing structure for mainly protecting pedestrians and for high-speed and low-speed collisions, and compared with the existing single-layer structure beam 100 or box-shaped beam 100, in the embodiment of the present utility model, the body strength of the beam 100 is very high, the bending resistance is better, and the impact force caused by collisions can be better absorbed, so as to improve the safety performance of an automobile by using the cavity structure of the beam 100 and the ribs formed by punching the front beam member 101 and the rear beam member 102.

The front cross member 101 has one or more first ribs 105, for example in some embodiments, referring to fig. 2, the front cross member 101 has two first ribs 105, and the cross section of the front cross member 101 is M-shaped.

The rear cross member 102 has one or more second ribs 108, for example in some embodiments, referring to fig. 2, the rear cross member 102 has two second ribs 108 and the rear cross member 102 is M-shaped in cross section.

The front beam member 101 and the rear beam member 102 are snap-welded to form the cavity beam 100, wherein the welded position of the front beam member 101 and the rear beam member 102 is offset rearward, so that the top wall surface and the bottom of the front beam member 101 are prevented from being wider, thereby further enhancing the overall strength and the bending resistance of the front beam member 101.

Referring to fig. 2, in some embodiments, the first edge 103 and the second edge 104 of the front cross member 101 each have an outwardly bent first flange 109, and the third edge 106 and the fourth edge 107 of the rear cross member 102 each have an outwardly bent second flange 110, with the first flange 109 of the front cross member 101 abutting and welded to the second flange 110 of the rear cross member 102. By providing the first flange 109 and the second flange 110, the contact area of the connection position of the front cross member 101 and the rear cross member 102 can be increased, and the connection strength and stability can be improved.

In some embodiments, referring to fig. 1, the crash box 200 includes a first crash box 201, a second crash box 202, a third crash box 203 and a fourth crash box 204, the first crash box 201 and the second crash box 202 are mirror images of each other and are supported at the rear sides of the two ends of the beam 100, the third crash box 203 and the fourth crash box 204 are mirror images of each other and are supported at the rear sides of the two ends of the beam 100, the first crash box 201 and the third crash box 203 are supported at one end of the beam 100, and the second crash box 202 and the fourth crash box 204 are supported at the other end of the beam 100. The energy absorption efficiency of the anti-collision beam is greatly enhanced by the energy absorption box 200 assembly formed by the first energy absorption box 201, the second energy absorption box 202, the third energy absorption box 203 and the fourth energy absorption box 204, collision force can be effectively transmitted to front end sheet metal parts of a vehicle body such as a front longitudinal beam, collision force is dispersed, the first energy absorption box 201, the second energy absorption box 202, the third energy absorption box 203 and the fourth energy absorption box 204 cooperatively disperse the collision force, more collision energy can be absorbed, the injury value of passengers is reduced, more collision energy is absorbed, and collision compatibility is considered.

Further, referring to fig. 1, the first energy-absorbing box 201 and the third energy-absorbing box 203 are provided with crush ribs 205 on the opposite surfaces, the second energy-absorbing box 202 and the fourth energy-absorbing box 204 are provided with crush ribs 205 on the opposite surfaces, and the crush energy-absorbing effect can be jointly achieved when the front collision impact force is faced, so that impact energy can be effectively absorbed, and damage to the passenger cabin and the vehicle body structure is reduced.

Referring to fig. 1, the ends of the first energy-absorbing box 201 and the third energy-absorbing box 203 are mounted on a first mounting plate 301, the ends of the second energy-absorbing box 202 and the fourth energy-absorbing box 204 are mounted on a second mounting plate 302, bolt connection holes are formed in the first mounting plate 301 and the second mounting plate 302, the first mounting plate 301 and the second mounting plate 302 play a role of being in bolt connection with a whole vehicle, and the first mounting plate 301 and the second mounting plate 302 are in hollowed-out design to reduce weight.

In some embodiments, referring to fig. 1 and 3, a first support 401 is disposed on the outer side of the middle part of the front beam member 101, one or more first supports 401 are disposed, the first support 401 is formed by bending a metal plate backwards to form a box-shaped structure with an open bottom, the rear end of the first support 401 is connected to the front beam member 101, the first support 401 adopts a box-shaped structure with an open bottom, and has lower strength relative to the beam 100, and can deform before the beam 100 meets impact during collision, so as to play a role of buffering and absorbing energy. The device mainly aims at low-speed collision, plays an important role in light collision, reduces the invasion of impact, greatly improves maintainability and is beneficial to protecting pedestrians on legs.

Further, referring to fig. 1 and 3, the outer sides of two ends of the front beam member 101 are provided with second brackets 402, one or more second brackets 402 are provided, the second brackets 402 are formed into an n-shaped structure with upper and lower openings by bending a metal plate backwards, the rear end of each second bracket 402 is connected to the front beam member 101, and the second brackets 402 are similar to the first brackets 401 in function and are used for coping with low-speed collision, so that damage to a vehicle body caused by the low-speed collision is reduced.

Embodiments of the present utility model also provide a vehicle including the front impact beam structure of any of the above embodiments.

In the description of the present specification, reference to the terms "example," "embodiment," or "some embodiments," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 present utility model is, of course, not limited to the above-described embodiments, and one skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and these equivalent modifications or substitutions are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims

1. The front beam structure is characterized by comprising a beam and an energy absorption box, wherein the beam comprises a front beam part and a rear beam part, the front beam part and the rear beam part are formed by stamping through metal plates, the front beam part is provided with a first edge and a second edge which extend along the length direction, a first convex rib formed by stamping is arranged between the first edge and the second edge of the front beam part, the first convex rib is outwards bulged and extends along the length direction of the front beam part, the rear beam part is provided with a third edge and a fourth edge which extend along the length direction, a second convex rib formed by stamping is arranged between the third edge and the fourth edge of the rear beam part, the second edge of the front beam part is outwards bulged and extends along the length direction of the rear beam part, the first edge of the front beam part is welded with the third edge of the rear beam part, the second edge of the front beam part is welded with the fourth edge of the rear beam part, and the front beam part forms a cavity with the rear beam part.

2. The front impact beam structure according to claim 1, wherein the front cross member has two of the first beads, and the front cross member has an M-shaped cross section.

3. The front impact beam structure according to claim 1, wherein the rear cross member has two of the second beads, and the rear cross member has an M-shaped cross section.

4. The front impact beam structure according to claim 1, wherein the first and second edges of the front cross member each have an outwardly bent first flange, the third and fourth edges of the rear cross member each have an outwardly bent second flange, and the first flange of the front cross member is butted and welded with the second flange of the rear cross member.

5. The front impact beam structure according to claim 1, wherein the energy absorbing boxes comprise a first energy absorbing box, a second energy absorbing box, a third energy absorbing box and a fourth energy absorbing box, the first energy absorbing box and the second energy absorbing box are mirror images, and are supported at the rear sides of two ends of the cross beam, the third energy absorbing box and the fourth energy absorbing box are mirror images, and are supported at the rear sides of two ends of the cross beam, the first energy absorbing box and the third energy absorbing box are supported at one end of the cross beam, and the second energy absorbing box and the fourth energy absorbing box are supported at the other end of the cross beam.

6. The front impact beam structure according to claim 5, wherein the first and third crash boxes are provided with crush ribs on surfaces facing each other, and the second and fourth crash boxes are provided with crush ribs on surfaces facing each other.

7. The front impact beam structure of claim 5, wherein the ends of the first and third energy-absorbing boxes are mounted on a first mounting plate, the ends of the second and fourth energy-absorbing boxes are mounted on a second mounting plate, and bolt connection holes are formed in the first and second mounting plates.

8. The front impact beam structure according to claim 1, wherein a first bracket is provided at an outer side of a middle portion of the front cross member, the first bracket is formed in a box-like structure with an opening at a bottom by bending a metal plate backward, and a rear end of the first bracket is connected to the front cross member.

9. The front impact beam structure according to claim 1, wherein second brackets are provided at outer sides of both ends of the front cross member, the second brackets are formed in an n-shaped structure with upper and lower openings by bending a metal plate backward, and rear ends of the second brackets are connected to the front cross member.

10. A vehicle comprising a front impact beam structure according to any one of claims 1 to 9.