Segmented Fascia Support Bracket for SUV Bumper Sagging
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Solution Overview
Problem
Larger bumper fascia panels in vehicles, such as SUVs, tend to sag over time due to material fatigue, making installation more difficult and affecting the overall vehicle body structure's integrity and aesthetics.
Innovation Solution
A vehicle body structure featuring a fascia support bracket that includes a side fascia support and a front end fascia support, contoured to securely attach and maintain the bumper fascia panel, with a ribbed structure for reinforcement, and a mounting flange attachment arrangement to integrate with fender body panels, ensuring a smooth and rigid connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a larger bumper fascia panel is mounted at a greater distance from the frame in SUVs, then the vehicle body structure can accommodate larger vehicle dimensions, but the bumper fascia panel sags over time due to material fatigue
Solution Approach 1:
The support bracket is divided into multiple segments including a first support portion for the upper fascia and a second support portion for the lower fascia, with each segment providing localized support to prevent sagging at different locations of the bumper fascia panel
Solution Approach 2:
The support bracket provides differentiated support at different locations - the first support portion targets the upper fascia area while the second support portion targets the lower fascia area, addressing local structural needs at each position to prevent sagging
2Area of stationary object
If the bumper fascia panel is made larger for SUVs, then it can cover the larger vehicle surface area, but installation becomes more difficult and structural integrity is compromised
Solution Approach 1:
The support bracket is segmented into multiple portions that can be configured to support different areas of the large bumper fascia panel, making the support system adaptable to larger dimensions while maintaining installation feasibility
Solution Approach 2:
The support bracket extends in multiple spatial dimensions with portions positioned at different heights and locations to provide comprehensive support across the large bumper fascia panel area, distributing the support function across three-dimensional space
3Length of stationary object
If the bumper fascia panel is mounted farther from the frame in larger vehicles, then it accommodates the increased vehicle dimensions, but the panel sags due to increased leverage and material fatigue
Solution Approach 1:
The support bracket is divided into multiple support portions positioned at different locations between the frame and the bumper fascia panel, creating multiple support points that reduce the effective span and leverage on any single point, thereby preventing sagging
Solution Approach 2:
The support bracket acts as an intermediary structural element between the frame and the bumper fascia panel, providing intermediate support that reduces the direct leverage and stress on the panel materials, preventing fatigue and sagging over time
Data Source
AI summary
A vehicle body structure includes a bumper fascia panel and a fascia support bracket. The bumper fascia panel includes side and front end fascia sections. The front end and side fascia sections are integrally formed as a one-piece member. The side fascia section includes upper and lower fascia portions defining a fascia cutout such that they at least partially surround a vehicle lamp area. The fascia support bracket includes front end and side fascia supports. The front end fascia support supports an inboard surface of the bumper fascia panel along the front end fascia section. The side fascia support includes upper and lower support portions that support the inboard surface of the bumper fascia panel along the upper and lower fascia portions, respectively. The upper and lower support portions define a support cutout such that they at least partially surround the vehicle lamp area.