Wire Harness Path Restrictor Assembly With Insertion Guide Marks
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Solution Overview
Problem
The connection reliability between the path restricting member and other members in conventional wire harnesses for vehicles is inadequate.
Innovation Solution
A wire harness design that includes a path restrictor with a first main body and an insertion port, an attachment with a cover featuring a mark indicating the necessary minimum insertion amount, and a covering portion with a restricting wall to guide proper insertion, enhancing connection reliability and assembly efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the path restricting member is attached to the exterior member without clear insertion guidelines, then the assembly process is simple, but the connection reliability is insufficient
Solution Approach 1:
The patent applies preliminary action by providing clear insertion guidelines (marks) on the attachment member before the assembly process begins. These marks indicate the correct insertion position and depth, guiding the assembler to achieve proper connection reliability from the start without requiring complex adjustment or verification steps during assembly.
Solution Approach 2:
The patent uses the mark as an intermediary element between the path restricting member and the exterior member. This visual indicator serves as a mediator that communicates the correct assembly information, enabling reliable connection without requiring complex mechanical features or multiple components.
2Ease of operation
If the path restricting member is made detachable for assembly, then the ease of assembly is improved, but the risk of detachment during use increases
Solution Approach 1:
The patent applies feedback by incorporating marks that provide visual confirmation of proper insertion. When the path restricting member is assembled, the mark indicates whether the correct insertion depth and position have been achieved, giving immediate feedback to the assembler. This ensures that ease of assembly does not compromise connection reliability, as proper assembly is clearly indicated.
3Manufacturing precision
If no insertion depth indication is provided, then the device is simpler, but the manufacturing precision of assembly is insufficient
Solution Approach 1:
The mark is pre-formed on the attachment member during manufacturing, indicating the correct insertion depth before assembly takes place. This preliminary indication eliminates the need for complex measurement tools or adjustment mechanisms during assembly, achieving high assembly precision with minimal added complexity.
Data Source
AI summary
A wire harness including; a wire harness main body including an electric wire and an exterior tube that covers an outer circumferential surface of the electric wire; a path restrictor that is attached to an outer circumferential surface of the exterior tube and restricts a path of the wire harness; and an attachment attached to an outer circumferential surface of a portion in a lengthwise direction of the path restrictor.