Cable Routing Structure Absorbs Line Length Differences
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Solution Overview
Problem
Cable routing structures in vehicles experience loosening due to line length differences among flat cables, leading to potential interference with peripheral structures during movement, which complicates smooth feeding and taking up of cables.
Innovation Solution
A cable routing structure featuring a line length difference housing case that absorbs line length variations through curved portions and a binding member, allowing the cables to follow a moving body while being fed out and taken up smoothly, with a protective member to prevent interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If multiple flat cables are wound up along rollers in a winding unit, then cables can be fed out and taken up, but line length differences cause loosening and interference with peripheral structures
Solution Approach 1:
A guide member is introduced as an intermediary component between the winding unit and the peripheral structures. This guide member provides a designated path for the cables, ensuring that even when line length differences cause some cables to be longer than others, the cables remain constrained to their proper routing and cannot interfere with peripheral structures. The guide member mediates the spatial relationship between cables of different lengths and the surrounding components.
2Adaptability or versatility
If cables are allowed to move freely to accommodate moving body positions, then cables can follow the moving body, but line length differences cause loosening
Solution Approach 1:
The guide member is designed with dynamic characteristics that allow it to adapt to different positions of the moving body. As the moving body changes position, the guide member flexes or adjusts its configuration to maintain proper cable routing. This dynamic behavior enables the system to accommodate position changes while preventing cable loosening, as the guide member continuously provides the appropriate geometric constraint for the current configuration.
Data Source
AI summary
A cable routing structure includes a plurality of cables that are superposed on one another and that are movable relatively to one another in length directions thereof, and a line length difference housing case that contains parts of the plurality of cables and is movable in a reciprocating direction. The line length difference housing case absorbs differences in line length among the plurality of cables generated in accordance with a moving position of the line length difference housing case.