CN201343009Y

CN201343009Y - Vehicle pedestrian protecting device

Info

Publication number: CN201343009Y
Application number: CNU200820235748XU
Authority: CN
Inventors: 陈炜
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2008-12-25
Filing date: 2008-12-25
Publication date: 2009-11-11
Anticipated expiration: 2018-12-25

Abstract

The utility model discloses a vehicle pedestrian protecting device, which is arranged on the front part of a vehicle, and comprises a front bumper, a front anti-collision beam and an energy absorbing element, wherein the energy absorbing element presents in a drape shape and is arranged between the front bumper and the front anti-collision beam. The vehicle pedestrian protecting device has low cost, and can effectively absorb the energy which is produced during the collision when the head-on collision of the vehicle happens, thereby protecting the pedestrian from being injured or reducing the injury of the pedestrian.

Description

The traffic fender guard

Technical field

The utility model relates to a kind of absorption cell, relates to a kind of traffic fender guard particularly.

Background technology

A large amount of traffic accidents show: the frontal crash of vehicles pedestrian in travelling, if there is not pedestrian protection, the pedestrian is subjected to great injury.In Europe, North America etc. pedestrian protecting is had relevant laws and regulations, domestic concern does not in this respect have the relevant laws and regulations requirement not as good as external.Along with pedestrains safety is more and more paid attention to, believe the also very fast appearance of domestic rules about the pedestrian protecting aspect.As enterprise, no matter be at domestic and international laws and regulations requirement, still bear the social responsibility of protection pedestrains safety, all require us when automobile design, to consider to install onboard pedestrian protection.

At present, pedestrian protection mainly contains pedestrian airbag and adds the sponge bump rubber.The pedestrian airbag system adopts electron steering, this class pedestrian protection cost height, and the control policy complexity, technical risk is big, and time-to-market is long, and not mature enough, and it is quick-fried that mistake easily takes place.In addition; also there are a lot of automobiles between front bumper and front anti-collision beam, to add solid bump rubbers such as sponge as pedestrian protection; but effect is not fine; because solid bump rubber such as sponge often has only buffer action; can't or can only absorb the energy that pedestrian impact produces very slightly, front bumper is squeezed directly to contact with front anti-collision beam and makes pedestrian's shank be subjected to the huge anti-force that front anti-collision beam produces.

The utility model content

The utility model provides a kind of cost low, and when vehicle generation head-on crash, can protect pedestrian's traffic fender guard effectively.

The utility model is achieved through the following technical solutions: a kind of traffic fender guard, comprise front bumper, front anti-collision beam and absorption cell, and described absorption cell is accordion and is connected between described front bumper, the front anti-collision beam.

According to traffic fender guard of the present utility model; the absorption cell that is accordion is connected between described front bumper, the front anti-collision beam; thereby when vehicle generation head-on crash; the absorption cell of accordion contracts to burst and absorbs energy, and can't restore to the original state, and avoids producing bigger anti-force; therefore; the energy that can absorb collision effectively and produced, the protection pedestrian escapes injury or reduces injury, and the utility model cost is low.

Description of drawings

Fig. 1 is the decomposing schematic representation of a kind of embodiment of the utility model;

Fig. 2 is the structural representation of a kind of embodiment energy absorption device of the utility model;

Fig. 3 is the connection mode scheme drawing of a kind of embodiment energy absorption device of the utility model.

The specific embodiment

Below, in conjunction with the accompanying drawings, preferred embodiment is described in detail to the utility model.

As shown in Figure 1 to Figure 3, according to traffic fender guard of the present utility model, comprising: front bumper 1, front anti-collision beam 2 and absorption cell 3, described absorption cell 3 are accordion and are connected between described front bumper 1, the front anti-collision beam 2.The described absorption cell 3 that is accordion can be when vehicle generation head-on crash; contracting bursts absorbs energy; and can't restore to the original state, therefore can avoid producing bigger anti-force, therefore; the energy that can absorb collision effectively and produced; the protection pedestrian escapes injury or reduces injury, and this absorption cell 3 is simple in structure simultaneously, and is easy to obtain; cost is low, helps applying.

Form by metal sheet is folding under above-mentioned absorption cell 3 preferable case that are accordion, make as metal sheets such as aluminium, iron, steel, for actv. more absorbs energy, and saving in material, in the present embodiment, metal sheet is thinner.By the folding absorption cell of making 3 of the thin metallic material of this class; its strength and stiffness are all littler than front bumper 1 and front anti-collision beam 2; but plasticity is good; therefore; can guarantee that collision energy-absorbing spare 3 can be subjected to front bumper 1 and front anti-collision beam 2 crimps and absorbs the energy that collision produces; and can't restore to the original state, so can not produce or produce very little anti-force, thus the protection pedestrian escapes injury or reduces injury.

As shown in Figure 2, in the present embodiment, absorption cell 3 is Z-shaped folding, certainly this is a kind of folding mode, absorb the energy that collision produces as long as can guarantee collision energy-absorbing spare 3 can be subjected to front bumper 1 and front anti-collision beam 2 crimps, any collapsed shape all can, as it is folding etc. to be the U type.

One end of described absorption cell 3 is connected with adapter plate 4, and described absorption cell 3 is fixed on the front anti-collision beam 2 by described adapter plate 4.In the present embodiment, described adapter plate has mounting hole 41, described front anti-collision beam 2 be provided with described adapter plate 4 on mounting hole 41 corresponding bolts hole 21, bolt 5 passes described mounting hole 41 and bolt hole 21 and cooperates with nut 6 absorption cell 3 one ends are fixed on the front anti-collision beam 2.Certainly, also can adapter plate 4 be welded on the front anti-collision beam 2, and realize absorption cell 3 one ends are fixed on the front anti-collision beam 2 by welding.

Described front bumper 1 inboard is provided with installing frame 11, and the other end of described absorption cell 3 embeds in the described installing frame 11, thereby the other end support and connection that make absorption cell 3 are on bumper/spoiler 1.As shown in Figures 2 and 3, the other end of Z type rugosity absorption cell 3 is a square plate, and this square plate embeds in the square installing frame 11, thereby the other end support and connection that make absorption cell 3 are on bumper/spoiler 1.Certainly, when absorption cell 3 collapsed shape not simultaneously, correspondingly installing frame 11 shapes are also different.

Described absorption cell 3 can be for a plurality of, in the present embodiment, described absorption cell 3 comprises first absorption cell 31, second absorption cell 32 and the 3rd absorption cell 33, described first absorption cell 31 is positioned at front anti-collision beam 2 middle parts, and described second absorption cell 32 and the 3rd absorption cell 33 are symmetricly set on the both sides of described first absorption cell 31.With absorption cell 3 be evenly arranged in front anti-collision beam 2 before, during and after, can make absorption cell 3 evenly absorb energy, thereby enlarge the zone of pedestrian protecting.Certainly, the quantity and the arrangement of absorption cell 3 are not limited thereto, and can decide according to the actual needs of vehicle.

During installation, earlier absorption cell 3 one ends are installed on the front anti-collision beam 2 with bolt 5, an other end embeds in the installing frame 11 of corresponding front bumper, fixing front bumper 1 again, utilize front bumper 1 and front anti-collision beam 2 that absorption cell 3 is compressed in advance, guarantee the direction of absorption cell 3 and make absorption cell 3 fixing reliable.

When the positive bump of automobile pedestrian, pedestrian's knee or shank contact with front bumper 1, force front bumper 1 to the distortion of front anti-collision beam 2 one sides, and be very big with front anti-collision beam 2 intensity own, the rigidity of body contact.Like this, the absorption cell 3 that is easy to compressive deformation is subjected to the extruding of front bumper 1 and front anti-collision beam 3 and crumple, and can't restore to the original state, and absorbs the energy that collision produces, and can not produce or produce very little anti-force, plays protection pedestrian's effect.

Claims

1. a traffic fender guard comprises front bumper, front anti-collision beam and absorption cell, it is characterized in that, described absorption cell is accordion and is connected between described front bumper, the front anti-collision beam.

2. traffic fender guard according to claim 1 is characterized in that: described absorption cell forms by metal sheet is folding.

3. traffic fender guard according to claim 2 is characterized in that: described absorption cell is Z-shaped folding.

4. traffic fender guard according to claim 1 is characterized in that: the intensity of described absorption cell and rigidity are less than the intensity and the rigidity of front bumper and front anti-collision beam.

5. traffic fender guard according to claim 1 is characterized in that: an end of described absorption cell is connected with adapter plate.

6. traffic fender guard according to claim 5; it is characterized in that: described adapter plate has mounting hole; described front anti-collision beam be provided with described adapter plate on the corresponding bolt hole of mounting hole, bolt passes described mounting hole and bolt hole and cooperates with nut absorption cell is fixed on the front anti-collision beam.

7. traffic fender guard according to claim 5 is characterized in that: described front bumper inboard is provided with installing frame, and the other end of described absorption cell embeds in the described installing frame.

8. according to any described traffic fender guard of claim 1 to 7; it is characterized in that: described absorption cell comprises first absorption cell, second absorption cell and the 3rd absorption cell; described first absorption cell is positioned at the front anti-collision beam middle part, and described second absorption cell and the 3rd absorption cell are symmetricly set on the both sides of described first absorption cell.