An automobile steering column collapse energy-absorbing structure

Abstract

The invention discloses a vehicle steering pipe post collapse energy-absorbing structure. The structure comprises an external mounting bracket, an internal mounting bracket and a friction block, wherein the external mounting bracket is provided with a guide hole which is formed along the axial direction of a steering pipe post; the external mounting bracket is fixedly connected with a vehicle body; the friction block is fixedly connected with the internal mounting bracket through the guide hole and compresses the external mounting bracket; and the external mounting bracket and the internal mounting bracket are connected through an injection molding pin. During collapse, the friction block and the internal mounting bracket move along the guide hole. According to the vehicle steering pipe post collapse energy-absorbing structure provided by the invention, while the pipe post collapse energy-absorbing ability is obviously reduced, the dependence on technical control is reduced; and while the safety protection property of the whole vehicle is enhanced, the cost of the pipe post is reduced.

Description

technical field [0001] The invention relates to the field of vehicle safety, in particular to an automobile steering column collapse energy-absorbing structure. Background technique [0002] When a safety accident occurs, the driver's head and chest will have an impact on the steering wheel, and the impact will be transmitted to the steering column through the steering wheel, which in turn will have a reverse impact on the driver's head and chest, causing damage to the human body , the national mandatory regulations have stipulated the maximum value of the impact force. In order to achieve this goal, the current automobile steering column adopts a collapse energy-absorbing structure. When the impact force reaches the peak value of the steering column collapse force, the special structural design of the steering column enables it to collapse along the axis, and the impact force does not continue. increase, protect the driver. The traditional automobile steering column colla...

AI Technical Summary

Problems solved by technology

[0003] In order to solve the shortcomings of the traditional steering column, such as large collapse absorption capacity, difficulty in protecting passengers during a collision, difficult process control, and high cost, the present invention provides a steering column collapse energy-absorbing structure, which is simple and compact. So that the steering column collapse force can be controlled within a reasonable range

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