CN213799535U

CN213799535U - Tailor-welded anti-collision cross beam capable of being considered in multiple aspects

Info

Publication number: CN213799535U
Application number: CN202021909209.7U
Authority: CN
Inventors: 孙后青; 韩佳; 袁顺; 葛磊; 张秀维; 张晓焱
Original assignee: Shanghai Lingyun Industrial Technology Co ltd; Shanghai Lingyun Industrial Technology Co ltd Lingyun Automobile Technology Branch
Current assignee: Shanghai Lingyun Industrial Technology Co ltd; Shanghai Lingyun Industrial Technology Co ltd Lingyun Automobile Technology Branch
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-07-27
Anticipated expiration: 2030-09-04

Abstract

The utility model provides a piece together welding formula anticollision crossbeam that many-sided compromise, by curved planking, the curved cavity is pieced together to weld into to the inner panel, anticollision crossbeam is equipped with the section of strengthening by the middle part to both sides extension, be located to be equipped with the several reinforcing plate in the cavity of strengthening the section, the reinforcing plate respectively with the planking, the inner panel welds the close, be equipped with the longeron linkage segment respectively strengthening the section both sides, be equipped with the support sleeve in each longeron linkage segment, each support sleeve welds with the inner panel respectively, the inner panel, each support sleeve department is equipped with the bolt hole to the planking correspondence. The utility model has the advantages as follows: 1. the method can meet the requirement of stricter molding requirement, avoid the defects of wrinkling, cracking and the like easily caused when the traditional rolling beam is molded in an area with too small curvature, and better meet the boundary requirement of the whole vehicle; 2. the materials and the sizes of the inner plate, the outer plate and the reinforcement can be flexibly adjusted, and the matching combination of different materials and different thicknesses can be achieved, so that the performance requirements of different vehicle types can be met; 3. the material and the size can be conveniently adjusted to obtain a satisfactory light weight effect.

Description

Tailor-welded anti-collision cross beam capable of being considered in multiple aspects

Technical Field

The utility model relates to an automobile safety part, especially the tailor-welded formula anticollision crossbeam that many-sided compromise.

Background

With the rapid development of economy, automobiles have become indispensable vehicles in life and work, and automobile collision traffic accidents are increased, so that the research on automobile collision safety performance and automobile occupant protection is more and more focused. The anti-collision beam is used as an important component of an automobile bumper system, so that the injury of passengers in an automobile caused by the extrusion deformation of a front cabin and a carriage can be avoided, and meanwhile, the anti-collision beam has the function of firstly playing a role in fully absorbing energy, so that the quality of the performance of the anti-collision beam plays an important role in the collision safety of the automobile body. In addition, automobile collision regulations are gradually updated and improved, wherein the MPDB collision condition which is about to be implemented in Europe in 2020 puts more strict requirements on the appearance structure and the performance of the anti-collision beam. The balance relation of boundary, performance and weight is hardly considered simultaneously for the anticollision roof beam of traditional structure, consequently need constantly improve the structure of anticollision crossbeam, makes it satisfy each performance requirement simultaneously, and furthest's realization product lightweight.

SUMMERY OF THE UTILITY MODEL

The utility model provides a what full consideration satisfied boundary, performance and weight requirement takes into account the tailor-welded formula anticollision crossbeam of many-sided compromise.

The problem of the utility model is realized with following technical scheme:

the utility model provides a what many-sided compromise piece welds formula anticollision crossbeam, splices into curved cavity by curved planking, inner panel, anticollision crossbeam is equipped with the section of strengthening by middle part to both sides extension, is located to be equipped with the several reinforcing plate in the cavity of strengthening the section, and the reinforcing plate closes with planking, inner panel seam respectively, is equipped with the longeron linkage segment respectively strengthening the section both sides, is equipped with the support sleeve in each longeron linkage segment, and each support sleeve welds with the inner panel respectively, and inner panel, planking correspond each support sleeve department and are equipped with the bolt hole.

The tailor-welded anti-collision beam with the multiple aspects, the section of the outer plate is in a straight shape, the section of the inner plate is in a concave shape, and the bottom surface of the inner plate is provided with an inner plate reinforcing rib protruding towards the inner cavity.

The tailor-welded anti-collision beam with the multiple aspects, two side walls of the inner plate are respectively provided with an inner plate flanging, and the inner plate flanging is welded with the outer plate.

The tailor-welded anti-collision beam with the multiple aspects, two side walls of the inner plate are respectively provided with an inner plate inner flanging, and the inner plate inner flanging is welded with the outer plate.

The butt welding formula anticollision crossbeam that above-mentioned many-sided took into account, planking both sides wall set up the planking inside flanging, and inner panel both sides wall sets up the inner panel inside flanging, and the planking inside flanging matches the inclusion welding with the inner panel inside flanging.

The splice welding type anti-collision beam with the multiple aspects has 3-8 reinforcing parts, and each reinforcing part is arc-welded with the inner plate and plug-welded with the outer plate.

The splicing welding type anti-collision cross beam with the multiple aspects, and the connecting section of the longitudinal beam on each side is provided with four supporting sleeves.

Anticollision crossbeam adopts the interior bottom plate tailor-welding mode processing to form, its advantage as follows: 1. the method can meet the requirement of stricter molding requirement, and avoid the defects of wrinkling, cracking and the like easily caused when the traditional rolling beam is molded in an area with too small curvature, so that the boundary requirement of the whole vehicle can be better met; 2. the anti-collision beam has good universality and is beneficial to platformization, and the materials and the sizes of the inner plate, the outer plate and the reinforcement can be flexibly adjusted, so that the matching combination of different materials and different thicknesses is achieved, and the performance requirements of different vehicle types are met; 3. the light weight effect is obvious, and the optimal scheme with light weight and low cost can be obtained on the premise of meeting the performance by reasonably selecting materials and adjusting the materials and the sizes of all parts.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the present invention with the outer plate removed;

FIG. 3 is a schematic view of an inner plate butt-welded to an outer plate;

FIG. 4 is a schematic view of the inner panel with the flange welded to the outer panel;

FIG. 5 is a schematic view of the inner panel with the inner flange welded to the outer panel;

FIG. 6 is a schematic view of the inner and outer plates being welded together by the inner flanges.

The list of labels in the figure is: 1. outer plate 1-1, inner flanging of outer plate 2, outer plate 2-1, outer beam groove 2-2, outer beam bending edge 3 and reinforcement

Detailed Description

Referring to fig. 1 and 2, the utility model discloses an arc planking 1 and inner panel 2, the radian of planking, inner panel matches, and planking, inner panel can select steel band or steel sheet with material or different materials to pass through forming method contour machining such as roll-in, punching press, thermoforming, then splice into curved cavity through welding mode. The processing method can meet the radian requirements of different anti-collision beams, and avoids the defects that the traditional rolling beam is easy to wrinkle and crack when forming an area with too small curvature, so that the boundary requirements of the whole vehicle can be better met. In order to improve the strength and the rigidity of the anti-collision beam, the anti-collision beam is provided with a reinforcing section extending from the middle part to two sides, and the arc length of the reinforcing section is one third to one half of the arc length of the anti-collision beam. And a plurality of reinforcing plates 3 are arranged in the cavity of the reinforcing section, 3-8 reinforcing parts are arranged, each reinforcing part is welded with the inner plate firstly, then the outer plate is assembled, and plug welding is carried out at the pre-opened plug welding hole on the outer plate. The utility model discloses to the atress characteristics of anticollision crossbeam enhancement section, set up the reinforcement in the enhancement section, can improve the bulk rigidity and the torsional strength of anticollision crossbeam. The two sides of the reinforcing section are respectively provided with a longitudinal beam connecting section, and the longitudinal beam connecting sections correspond to the automobile longitudinal beams in position and are important parts for connecting the automobile body. And supporting sleeves 4 are arranged in the cavity of each longitudinal beam connecting section, each supporting sleeve is respectively in spot welding with the inner plate, and bolt holes are formed in the positions, corresponding to the supporting sleeves, of the inner plate and the outer plate. The support sleeves are all of uniform size, and the number of the support sleeves is usually four on the left and the right. The supporting sleeves are additionally arranged at the two ends, so that the rigidity of the cross beam can be effectively improved, and on the other hand, the eight fastening bolts penetrate through the sleeves respectively and then connect the cross beam with the automobile longitudinal beam, so that the connection strength of the longitudinal beam and the cross beam can be effectively improved, and the defects that the bolt connection part is easy to crack and the like are effectively eliminated when collision occurs.

Referring to fig. 3-6, the outer plate is in a straight shape in section, the inner plate is in a concave shape in section, and the bottom surface of the inner plate is provided with an inner plate reinforcing rib 2-1 protruding towards the inner cavity. In the first embodiment shown in fig. 3, both side walls of the inner panel are directly butt-welded to the outer panel, and the inner panel is extended from both upper and lower sides of the outer panel. In the second embodiment shown in fig. 4, two side walls of the inner plate are respectively provided with inner plate flanges 2-2, and the inner plate flanges or the inner plate flanges and the outer plate are welded together. In the third embodiment shown in fig. 5, two side walls of the inner plate are respectively provided with inner plate flanges 2-3, and the inner plate flanges are welded with the outer plate. In comparison, the welding strength and reliability of the inner and outer plates of the second and third embodiments are higher than those of the first embodiment. In the fourth embodiment shown in fig. 6, the outer plate inner flanging 1-1 is arranged on two side walls of the outer plate, the inner plate inner flanging is arranged on two side walls of the inner plate, and the inner plate inner flanging is matched and inclusion-welded by the outer plate inner flanging. The fourth embodiment has the highest strength of the connection mode of the inner plate and the outer plate, but the processing process is relatively complex.

The utility model discloses can be according to the different requirements of motorcycle type, select the material and the size of inner panel, planking, reinforcement in a flexible way, can satisfy the lightweight requirement under the prerequisite that satisfies the performance requirement, weight reduction as far as possible.

Claims

1. The utility model provides a tailor-welded formula anticollision crossbeam that many-sided compromise, its characterized in that: the anti-collision beam is characterized in that an arc-shaped cavity is formed by welding an outer plate (1) and an inner plate (2) in an arc shape, the anti-collision beam is provided with a reinforcing section extending from the middle part to two sides, a plurality of reinforcing plates (3) are arranged in the cavity of the reinforcing section, the reinforcing plates are welded with the outer plate and the inner plate respectively, longitudinal beam connecting sections are arranged on two sides of the reinforcing section respectively, supporting sleeves (4) are arranged in the longitudinal beam connecting sections, each supporting sleeve is electrically welded with the inner plate respectively, and bolt holes are formed in the inner plate and the outer plate corresponding to each supporting sleeve.

2. The tailor welded crash cross member according to claim 1, wherein: the section of the outer plate is in a straight line shape, the section of the inner plate is in a concave shape, and the bottom surface of the inner plate is provided with an inner plate reinforcing rib (2-1) protruding towards the inner cavity.

3. The tailor welded crash cross member according to claim 2, wherein: two side walls of the inner plate are respectively provided with an inner plate flanging (2-2), and the inner plate flanging is welded with the outer plate.

4. The tailor welded crash cross member according to claim 2, wherein: two side walls of the inner plate are respectively provided with inner plate inner flanges (2-3), and the inner plate inner flanges are welded with the outer plate.

5. The tailor welded crash cross member according to claim 2, wherein: the two side walls of the outer plate are provided with outer plate inner flanges (1-1), the two side walls of the inner plate are provided with inner plate inner flanges, and the outer plate inner flanges match the inner plate inner flanges for inclusion welding.

6. The multi-aspect tailored welded crash cross beam according to claim 3, 4 or 5, characterized in that: 3-8 reinforcing parts are arranged, and each reinforcing part is arc-welded with the inner plate and is plug-welded with the outer plate.

7. The multi-aspect tailored welded anti-collision beam according to claim 6, characterized in that: four supporting sleeves are arranged at the connecting section of each side longitudinal beam.