Electric Component Mounting Bracket Rearward Escape Structure
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Solution Overview
Problem
In existing electric component mounting structures, if a steering support member is positioned behind an electric component, the component cannot escape during a vehicle collision and becomes sandwiched between the dash panel and the steering support member, leading to potential crushing.
Innovation Solution
An electric component mounting structure featuring a dash panel, cowl panel, side panel, and a mounting bracket with specific leg configurations that allow the component to be attached to the vehicle body, preventing it from being sandwiched between the cowl panel and the steering support member by enabling rearward movement during a collision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the electric connection box is fixed to the side panel with two legs, then the mounting structure is simple, but the component cannot escape rearward during collision when a steering support member is present
Solution Approach 1:
The mounting bracket is divided into three separate leg parts (front, upper, and lower) instead of using a simple two-leg structure. Each leg part connects to different mounting points on the cowl panel and side panel, creating a segmented mounting system that enables rearward escape while maintaining structural simplicity
Solution Approach 2:
The upper leg part extends diagonally rearward and upward, adding a vertical dimension to the escape path. This three-dimensional configuration allows the electric connection box to move rearward and upward during collision, escaping from the space between the cowl panel and steering support member
2Reliability
If the upper leg part extends diagonally rearward and upward, then the component can escape collision impact, but the mounting bracket becomes more complex
Solution Approach 1:
The front, upper, and lower leg parts are merged into a single integrated mounting bracket structure. This combining of multiple functional elements into one component achieves collision protection through diagonal rearward-upward extension while avoiding the complexity of assembling separate parts
Data Source
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AI summary
An electric component mounting structure comprising a dash panel (3) , a cowl panel (4) connected to an upper part of the dash panel (3) , a side panel (5) connected to end portions of the dash panel (3) and the cowl panel (4), a steering support member (6) disposed behind the cowl panel (4), and a mounting bracket (20) that attaches an electric component (11, 12) to a vehicle body (2), wherein the mounting bracket (20) comprises: a main bracket (21) of a mounting bracket (20) includes a body part (22), a front leg part (24) extending forward from the body part (22), an upper leg part (25) extending upward from the body part (22) and a lower leg part (26) extending downward from the body part (22). The cowl panel (4) includes a front mounting point (4A) to which the front leg part (24) is connected and the side panel (5) includes an upper mounting point (5A) to which the upper leg part (25) is connected and a lower mounting point (5B) to which the lower leg part (26) is connected. The lower mounting point (5B) is disposed behind the front mounting point (4A) and the upper mounting point (5A) is disposed above the steering support member (6) and behind the lower mounting point (5B). The upper leg part (25) extends diagonally rearward and upward.