The invention discloses a multilevel protection bumper which comprises at least two anti-collision stand columns, a plurality of connecting beams are arranged between every two anti-collision stand columns, side wings are arranged on the outer sides of every two anti-collision stand columns on two sides, the bumper is fixedly connected with an automotive chassis beam through a buffer assembly, the buffer assembly is composed of a sliding rail and a sliding rod, and a plurality of buffer springs with different lengths are arranged in the sliding rail; when a collision accident happens to an automobile, the buffer springs sequentially get into an anti-collision buffer state in a hierarchical mode from small to large according to the magnitude of collision force, the sliding rod is pushed, and multilevel protection is formed for the automobile having the collision accident. The bumper forms multilevel hierarchical protection for the automobile having the collision accident and reduces damage caused by collision to the automobile to the maximum.
Multilevel protection bumper
2015-04-22
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |