Energy absorption type bumper

Abstract

The invention relates to the technical field of passive safety of vehicles, in particular to an energy absorption type bumper. A front inverted-U-shaped beam and a rear inverted-U-shaped beam of the bumper are fixedly connected together through a bolt, a buffer chamber is formed between the front inverted-U-shaped beam and the rear inverted-U-shaped beam, a folding supporting plate and at least 5 air springs are installed in the buffer chamber, and two round corners at the tail end of the folding supporting plate are of circular-arc T-shaped supporting structures, so that a buffering effect is played when collision occurs at the round corners. The bumper is simple in structure and compact and reasonable in installation, does not need a too large space, can effectively decrease and absorb most of outside impact energy and better plays buffering and vibration attenuation effects, the impact resistance of the vehicle bumper is improved, meanwhile the collision strength can be minimized, accordingly the personal and property safety can be effectively ensured, and the safety of an automobile in running is greatly improved. Therefore, the energy absorption type bumper is easy to use and popularize.

Description

technical field [0001] The invention relates to the technical field of automobile passive safety, in particular to an energy-absorbing bumper. Background technique [0002] The bumper belongs to the safety auxiliary device of the car. It is installed at the front and rear ends of the car. It can alleviate the external impact force and protect the body in the event of a collision, preventing the body from being damaged by direct impact. Most of the existing automobile bumpers adopt a rigid connection method, which is easy to be damaged when a collision occurs, and the impact resistance of the bumper is also relatively low, so it is difficult to reduce the collision force to a minimum; The bumper can absorb part of the impact energy, but most of it is still transmitted to the body, and it is difficult for these bumpers to avoid secondary collisions during emergency parking, resulting in damage to the body and casualties. [0003] Existing bumper generally adopts to strengthen...

AI Technical Summary

Problems solved by technology

Most of the existing automobile bumpers adopt a rigid connection method, which is easy to be damaged when a collision occurs, and the impact resistance of the bumper is also relatively low, so it is difficult to reduce the collision force to a minimum; The bumper can absorb part of the impact energy, but most of it is still transmitted to the body, and these bumpers are difficult to avoid secondary collisions during emergency parking, resulting in damage to the body and casualties

[0003] Existing bumper generally adopts to strengthen the rigidity of oneself in addition to avoid the problem that is easy to be damaged when colliding, and what have even is also provided with reinforcing rib on the cylinder body to improve the rigidity of cylinder body, although this bumper can be to a certain extent The upper protection body is not easy to be damaged, but it brings greater damage to the external collision body

Although some bumpers have better collision performance, they take up a lot of space on the car, so the installation space of other auto parts is severely limited.

[0004] Therefore, the current automobile bumper still has many limitations.

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