Highly integrated integrated automotive roof with low peak energy absorption structure

Abstract

The invention relates to a high-integration automobile roof with a low-peak-value energy absorption structure. The high-integration automobile roof comprises a roof outer board, a low-peak-value energy absorption structural layer and a trim panel. The low-peak-value energy absorption structural layer is of a stereoscopic structure composed of multiple unit cell bodies sequentially arranged and combined in the X direction. Each unit cell body is composed of inward-recessed quadrangular energy absorption parts evenly arranged at intervals from top to bottom and connecting boards used for connecting every two adjacent inward-recessed quadrangular energy absorption parts. Each inward-recessed quadrangular energy absorption part comprises two first transverse energy absorption parts symmetrically arranged in the horizontal direction, two second transverse energy absorption parts arranged symmetrically relative to the first transverse energy absorption parts in the vertical direction, two first vertical energy absorption parts symmetrically arranged in the horizontal direction, and two second vertical energy absorption parts arranged symmetrically relative to the first vertical energy absorption parts in the vertical direction. The roof is low in collision initial peak value, stable in energy absorption process, good in energy absorption effect and capable of guaranteeing safety andcomfort at the same time.

Description

technical field [0001] The invention belongs to the field of automobile parts, and in particular relates to a highly integrated automobile roof with a low-peak energy-absorbing structure. Background technique [0002] The car roof is one of the important parts of the car body. It can not only improve the sound insulation effect from the outside of the car, improve the sound absorption effect, reduce the noise inside the car, and improve the ride comfort; it can also protect the car when the car rolls over or heavy objects fall. It plays the role of cushioning and absorbing energy, thereby improving the safety of riding. In addition, there is a wire between the car roof body and the interior panel, and the control command is transmitted through the wire to realize the intelligent control of the car. [0003] Most of the existing car roofs are compositely formed with multi-layer materials. For example, Chinese patent CN 205930567 U discloses "a car roof structure", which incl...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a highly integrated and integrated automobile roof with a low-peak energy-absorbing structure, so as to solve the problem that the existing automobile roof structure is complicated, the production process is cumbersome, the initial peak value of the collision is high, the energy-absorbing process is unstable, and the energy-absorbing effect is not good. Well, safety and comfort can't guarantee technical difficulties at the same time

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