Resin Dash Panel Clamp Integration for Wire Harness Attachment
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Solution Overview
Problem
Existing vehicle front portion structures require a large number of components and increased work man-hours for arranging wire harnesses due to the use of multiple components and attachment processes.
Innovation Solution
A vehicle front portion structure with a dash panel made of resin and an integrally formed clamp that holds the wire harness, eliminating the need for auxiliary materials and reducing the number of components and work man-hours.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a stud bolt and nut are used to fix the bracket to the dash panel, then the bracket can be securely attached, but the number of components increases and work man-hours increase
Solution Approach 1:
The clamp is integrally molded with the dash panel, merging two previously separate components (clamp and dash panel) into a single integrated structure. This eliminates the need for stud bolts, nuts, and other auxiliary fastening materials, directly reducing the number of components while maintaining secure attachment through the integral connection
2Reliability
If multiple components and attachment processes are used, then secure attachment is achieved, but work man-hours increase
Solution Approach 1:
By integrating the clamp directly into the dash panel through integral molding, the patent eliminates multiple attachment steps (fixing stud bolts, threading nuts, securing brackets) into a single manufacturing process. This significantly reduces assembly time and work man-hours while ensuring reliable attachment through the integral structure
Solution Approach 2:
The clamp is pre-integrated into the dash panel during the molding process itself, performing the attachment function in advance during manufacturing rather than during assembly. This preliminary action eliminates the need for subsequent attachment operations, reducing work man-hours while ensuring secure attachment
3Ease of manufacture
If auxiliary materials such as studs are used, then the clamp can be attached to the dash panel, but the number of components increases
Solution Approach 1:
The patent merges the clamp and dash panel into a single integral structure, eliminating the need for auxiliary fastening materials like studs. The integral molding process creates a built-in attachment mechanism that maintains manufacturing ease while eliminating additional components
Data Source
AI summary
A vehicle front portion structure, includes a dash panel that is made of a resin and that partitions a power unit room of a vehicle from a vehicle cabin; and a clamp that is integrally formed with the dash panel and that holds a wire harness that is arranged at the dash panel.