Wheel Arch Trim Vertical Positioning Hook Assembly
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Solution Overview
Problem
Current assembly methods for motor vehicle wheel arch trims are ergonomically complex, requiring delicate positioning and time-consuming checks to ensure correct alignment, leading to potential defects and corrosion issues.
Innovation Solution
A trim element with fixing means featuring a vertical positioning hook that facilitates vertical alignment with the wheel arch mounting orifice, simplifying the assembly process by providing a pre-holding interface that reduces the need for manual checks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If direct mounting by operator is used to attach wheel trim, then the trim can be assembled to the wing, but the positioning requires delicate checks and takes time, leading to potential quality defects
Solution Approach 1:
The positioning hook is pre-formed as an integral part of the fixing means, providing automatic positioning guidance before the actual fastening operation. This preliminary positioning action eliminates the need for delicate manual alignment checks during assembly, directly resolving the contradiction between ease of operation and time consumption.
2Manufacturing precision
If direct mounting by operator is used to attach wheel trim, then the trim can be assembled to the wing, but positioning accuracy requires time-consuming checks to ensure correct alignment
Solution Approach 1:
The positioning hook automatically guides the fixing means into correct alignment with the mounting orifice without requiring operator intervention for positioning checks. The hook's geometry self-enforces proper positioning, eliminating time-consuming verification steps while maintaining high positioning accuracy.
3Reliability
If a dual hook and clip system is used to attach wheel trim, then the retention is improved, but the assembly remains complex to implement since checking is still necessary before engaging fixing clips
Solution Approach 1:
The positioning hook and fixing means are merged into a single integrated component rather than separate elements. This consolidation maintains the retention functionality while eliminating the complexity of coordinating multiple independent fixing mechanisms, directly addressing the contradiction between reliability and device complexity.
4Productivity
If poor positioning of wheel trim occurs during assembly, then assembly speed may be maintained, but quality defects occur leading to corrosion problems and reassembly requirements
Solution Approach 1:
The positioning hook acts as an intermediary element between the fixing means and the mounting orifice, guiding the connection process and ensuring correct positioning before final engagement. This intermediary mechanism prevents positioning errors without requiring slower manual verification, maintaining productivity while ensuring reliability.
Data Source
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AI summary
The invention relates to a trim element (26), such as a trim on a side wing, of an arcuate edge of a wheel arch (16) of a motor vehicle. The trim element comprising: an arcuate body having an external face and an internal face intended to run along the arcuate edge of the wheel arch of a side wing; fixing means (34) distributed along the arcuate body on the internal face; said fixing means having a vertical end (36). The vertical end of the fixing means (34) comprises a positioning hook (40) open vertically downwards in order to vertically position the trim element (26) relative to a mounting orifice (28) of the wheel arch (16) during the assembly of said trim element.