Flat Wire Harness Protector with Partitioned Slits
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Solution Overview
Problem
Existing techniques for protecting electric wires in vehicles require a circular cross-sectional bundle, leading to thick protective equipment with large bending radii, and necessitate changes in wiring materials for flat cables, making them impractical for sharp bends and compact spaces.
Innovation Solution
An electric wire protecting member with a belt-shaped base and partition portions, featuring slits and a lid portion, allows for flexible accommodation and bending of multiple wires in a flat configuration, enabling sharp angles and compact designs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a circular cross-sectional bundle is used to protect electric wires, then the wires are protected, but the protective equipment becomes thick and requires large bending radii
Solution Approach 1:
The protective member is divided into multiple partition portions that create separate accommodation spaces for individual wires. This segmentation allows the protective member to maintain structural integrity while reducing overall thickness and enabling sharper bends, as each partition can flex independently
Solution Approach 2:
The invention transitions from a circular cross-section to a flat plate-like structure with partitions. This dimensional change from 3D circular to 2D planar configuration reduces the bending radius while maintaining protection, allowing the wires to be accommodated in a thinner profile
2Shape
If flat cable is used to enable sharp bends, then the bending radius is reduced, but wiring materials must be changed and connectors are required
Solution Approach 1:
The protective member is designed to accommodate multiple circular wires simultaneously in a flat configuration, making it compatible with standard circular wire harnesses while achieving the sharp bend capability normally associated with flat cables. This eliminates the need for material changes or connectors
3Reliability
If multiple wires are accommodated in a circular bundle, then wire protection is achieved, but the thickness of protective equipment increases
Solution Approach 1:
The protective member is divided into multiple partition portions that create separate accommodation spaces for individual wires. This segmentation allows the protective member to maintain structural integrity while reducing overall thickness, as each partition can be optimized for minimal thickness while still providing protection
Solution Approach 2:
The invention transitions from a circular cross-section to a flat plate-like structure with partitions. This dimensional change from 3D circular to 2D planar configuration reduces the bending radius while maintaining protection, allowing the wires to be accommodated in a thinner profile
Data Source
AI summary
An electric wire protecting member that includes a belt-shaped base portion that extends in a belt-shape and three or more partition portions that are formed along a direction in which the belt-shaped base portion extends and are provided in parallel to each other at intervals into which the electric wires can be accommodated in a width direction of the belt-shaped base portion. Slits for dividing the three or more partition portions are formed at least at one location along the width direction of the belt-shaped base portion.