CN202271942U

CN202271942U - Automobile front anticollision beam assembly

Info

Publication number: CN202271942U
Application number: CN201120357658XU
Authority: CN
Inventors: 邵金华; 施雷
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2011-09-22
Filing date: 2011-09-22
Publication date: 2012-06-13
Anticipated expiration: 2021-09-22

Abstract

The utility model discloses an automobile front anticollision beam assembly, which comprises an anticollision beam and collision boxes which are arranged at the left end and the right end of the anticollision beam, wherein the anticollision beam consists of a beam outer plate and a beam inner plate which is fixedly connected with the inner side of the beam outer plate, the cross sections of both the beam outer plate and the beam inner plate are wave-shaped, the protruding part of the cross section of the beam outer plate and the concave part of the cross section of the beam inner plate are correspondingly arranged to each other, and the rear ends of the cross sections of the beam outer plate and the beam inner plate are welded together to form a closed box-shaped structure. The automobile front anticollision beam assembly can well disperse the collision energy during the collision of an automobile, the peak acceleration during the collision process of an automobile passenger compartment is reduced, and the passenger security is benefited.

Description

A kind of front anticollision beam of automobile assembly

Technical field

The utility model belongs to the auto body technical field, is specifically related to a kind of front anticollision beam of automobile assembly.

Background technology

Vehicle safety performance is the important indicator of modern automobile quality, and how when automobile crashes, protecting occupant's damage safe, that reduce automobile to greatest extent is the target that each auto vendor makes great efforts.When automobile bumped, the main effect of front anticollision beam of automobile assembly had two aspects, and the one, when the collision case than low velocity took place vehicle, crashproof crossbeam can not produce the large deformation in the cabin, so that to vehicle front deck INT COMP protection is provided as far as possible; The another one effect is when the collision case of vehicle generation fair speed, can reasonably be out of shape actv. to absorb certain collision energy; If what vehicle took place simultaneously is offset collision; Crashproof crossbeam must have enough resistance to bendings to play to be distributed to collision energy on the whole vehicle, to make vehicle body front structure to try one's best and accept collision impact uniformly.

The front anticollision beam of automobile assembly comprises crashproof crossbeam and collision box, and crashproof crossbeam two ends connect the collision box, and the collision box is connected on the engine nacelle curb girder.Because it is open that existing crashproof crossbeam (like Fig. 1, Fig. 2, shown in Figure 3) has only one deck crossbeam outside plate and section, its structural strength is not enough, when collision, can produce the bending distortion of relatively concentrating, and can not well play the effect that disperses collision energy; Existing collision box (as shown in Figure 4) guiding deformation design and vehicle design do not match, and in collision, can not well be out of shape energy-absorbing; Make the crash acceleration peak value of automobile high, unfavorable to passenger protection.

Summary of the invention

The purpose of the utility model provides a kind of front anticollision beam of automobile assembly, and it can well disperse collision energy in auto against, reduces the acceleration peak value of vehicle occupant compartment in collision process, helps occupant's protection.

The described a kind of front anticollision beam of automobile assembly of the utility model; Comprise crashproof crossbeam and the collision box that is located at the left and right two ends of crashproof crossbeam; It is characterized in that: said crashproof crossbeam is made up of the crossbeam outside plate crossbeam inner panel inboard with being fixedly connected on the crossbeam outside plate; The section of said crossbeam outside plate and crossbeam inner panel all is " waveform "; The depressed part of the lug boss of crossbeam outside plate section and crossbeam inner panel section is oppositely arranged, and the end welding of the end of crossbeam outside plate section and crossbeam inner panel section forms the osed top box like structure.

Further, the lug boss of said crossbeam outside plate section has two at least, and the depressed part of crossbeam inner panel section cooresponding with it also has two at least.

Further, the left side of said collision box is interval with the first guiding distortion groove and the second guiding distortion groove, and the right side also is interval with the 3rd guiding distortion groove and the 4th guiding distortion groove; Be used for being out of shape energy-absorbing, reduce damage automobile at collision process.

The crossbeam inner panel that the utility model adopts section all to be " waveform " adds the double-decker of crossbeam outside plate; It is box-like to form sealing; Improved the structural strength of crashproof crossbeam; Disperseed collision energy effectively, reduced the acceleration peak value of vehicle occupant compartment in collision process, strengthened protection the occupant; Four guiding distortion of collision box design groove, when more low-tach collision took place, the distortion energy-absorbing had reduced the damage to automobile effectively; Thereby improved the safety performance of vehicle in collision.

Description of drawings

Fig. 1 is existing front anticollision beam assembly axonometric drawing.

Fig. 2 is the front view of existing crashproof crossbeam.

Fig. 3 is the A-A section-drawing of Fig. 2.

Fig. 4 is the front view of existing collision box.

Fig. 5 is the front view of the crossbeam outside plate of the utility model.

Fig. 6 is the B-B section-drawing of Fig. 5.

Fig. 7 is the front view of the crossbeam inner panel of the utility model.

Fig. 8 is the C-C section-drawing of Fig. 7.

Fig. 9 is the front view of the crashproof crossbeam of the utility model.

Figure 10 is the D-D section-drawing of Fig. 9.

Figure 11 is the birds-eye view of the crashproof crossbeam of the utility model.

Figure 12 is the front view of the collision box of the utility model.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described further.

Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, existing front anticollision beam assembly comprises existing crashproof crossbeam 3 and existing collision box 4, and existing crashproof crossbeam 3 two ends connect existing collision box 4, and existing collision box 4 is connected on the engine nacelle curb girder.Existing crashproof crossbeam 3 has only the open form of fracture of one deck, and section has only a convexity, and its structural strength is not enough; Existing collision box 4 design-calculateds guiding distortion groove 41 does not match with vehicle design, when low velocity is collided, can not well be out of shape energy-absorbing, influences the safety performance of automobile.

Like Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10, shown in Figure 11; The described a kind of front anticollision beam of automobile assembly of the utility model; Comprise crashproof crossbeam 1 and the collision box 2 that is located at crashproof crossbeam 1 left and right two ends; Crashproof crossbeam 1 is made up of crossbeam outside plate 11 and the crossbeam inner panels 12 that are fixedly connected on crossbeam outside plate 11 inboards; The section of crossbeam outside plate 11 and crossbeam inner panel 12 all is " waveform ", and crossbeam outside plate section is oppositely arranged with the crossbeam inner panel section edge depressed part 121 opposite with the crossbeam bending direction along the lug boss 111 of crossbeam bending direction, and lug boss 111 has two, depressed part 121 also to have two; The end 112 of crossbeam outside plate section forms the osed top box like structure with 122 welding of the end of crossbeam inner panel section.The crashproof beam structure intensity of this form is higher, in the scope that design allows, can also increase the curvature of crashproof crossbeam, so that the intensity of crashproof crossbeam is higher.

Shown in figure 12, the left side of collision box 2 is interval with the first guiding distortion groove 21 and the second guiding distortion 22, and the right side also is interval with the 3rd guiding distortion groove 23 and the 4th guiding distortion groove 24.

Collision box 2 with this front anticollision beam assembly gets final product on automobile engine nacelle curb girder through bolted connection in use.

Claims

1. front anticollision beam of automobile assembly; Comprise crashproof crossbeam (1) and be located at the collision box (2) at the left and right two ends of crashproof crossbeam; It is characterized in that: said crashproof crossbeam is by crossbeam outside plate (11) and be fixedly connected on the inboard crossbeam inner panel (12) of crossbeam outside plate and form; The section of said crossbeam outside plate and crossbeam inner panel all is " waveform "; The lug boss (111) of crossbeam outside plate section is oppositely arranged with the depressed part (121) of crossbeam inner panel section, and the end (112) of crossbeam outside plate section forms the osed top box like structure with the welding of the end (122) of crossbeam inner panel section.

2. a kind of front anticollision beam of automobile assembly according to claim 1 is characterized in that: the lug boss (111) of said crossbeam outside plate section has two at least, and the depressed part (121) of crossbeam inner panel section cooresponding with it also has two at least.

3. a kind of front anticollision beam of automobile assembly according to claim 2; It is characterized in that: the left side of said collision box (2) is interval with the first guiding distortion groove (21) and the second guiding distortion groove (22), and the right side also is interval with the 3rd guiding distortion groove (23) and the 4th guiding distortion groove (24).