A kind of torsion bar spring device and automobile

Abstract

The invention provides a torsion rod spring device and an automobile. The torsion rod spring device comprises a progressive crushing energy absorption module, an energy absorption module casing pipe and an energy absorption module casing pipe support, wherein a first end of the progressive crushing energy absorption module is attached to a second end of a torsion rod spring body, the energy absorption module casing pipe is sleeved with the progressive crushing energy absorption module which comprises an inner pipe and an outer pipe sleeved with the inner pipe, the inner surface of the outer pipe is connected with the outer surface of the inner pipe through a base material, and the energy absorption module casing pipe support is connected with a torsion rod supporting cross beam and sleeved with the outer pipe. According to the torsion rod spring device, the inner pipe and the outer pipe of the progressive crushing energy absorption module and the energy absorption module casing pipe are energy absorption carriers, energy of the rod spring axially transmitted to the torsion rod supporting cross beam during collision can be absorbed effectively, acceleration peak transmitted to a driver compartment is reduced, injury to a driver and passengers is reduced, and passive safety and reliability of the automobile are improved.

Description

technical field [0001] The invention relates to the field of automobile engineering, in particular to a torsion bar spring device and an automobile. Background technique [0002] In recent years, with the development of the automobile industry, the crash safety performance of automobiles has become a research hotspot, and the passive safety of automobiles is an important part of automobile safety performance. Automobile frontal collision accounts for the largest proportion in all collision accidents, and after a collision accident occurs, it often leads to serious consequences. Therefore, the study of vehicle frontal crash safety has always been an important research topic in the field of vehicle safety research. [0003] Energy-absorbing technology is widely used in the passive safety of contemporary automobiles. The basic idea is to use the front and rear parts of the car body to effectively absorb the kinetic energy of the car body during a collision. Simply absorbing t...

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Problems solved by technology

[0005] In order to overcome the technical problem in the prior art that only relying on the energy-absorbing structure of the front part of the automobile body for frontal collision energy-absorbing effect is not obvious, the present invention provides a torsion bar spring device and automobile

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