Flat Wiring Protector Structure for Easier Attachment Positioning
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Solution Overview
Problem
Existing wire harnesses with flat wiring modules are difficult to attach due to positioning protrusions being easily hidden, leading to poor attachment operability.
Innovation Solution
A wiring module design featuring a protector with a support part and an insertion part, where the insertion part protrudes more prominently than the fixing part, allowing for easier visual recognition and positioning during attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a positioning protrusion part is used to attach the flat wire harness, then the wire harness can be fixed to the rod-like member, but the positioning protrusion part is easily hidden and attachment operability deteriorates
Solution Approach 1:
The attachment structure is divided into two distinct parts: a positioning protrusion part for alignment and a separate fixing part for securement. This segmentation allows the positioning function to be visually identifiable while the fixing function provides reliable attachment, resolving the contradiction between ease of operation and attachment reliability.
Solution Approach 2:
The positioning protrusion part acts as an intermediary element that guides the flat wire harness into the correct position before the fixing part engages. This intermediary positioning mechanism makes the attachment process more operable by providing visual and physical guidance, while the subsequent fixing part ensures reliable fixation.
2Adaptability or versatility
If the positioning protrusion part is made smaller to reduce interference, then attachment reliability improves, but visual recognition and positioning difficulty increase
Solution Approach 1:
The attachment structure employs asymmetric design where the positioning protrusion part and fixing part have different dimensions and functions. The positioning protrusion part is designed with specific dimensional characteristics that make it visually distinguishable, while the fixing part provides the necessary attachment strength, resolving the contradiction between adaptability and detectability.
3Strength
If the protrusion dimension of the fixing part is increased to improve fixation strength, then attachment reliability improves, but the insertion part becomes harder to position accurately
Solution Approach 1:
The fixing structure is segmented into a positioning protrusion part with smaller dimensions for precise alignment and a fixing part with larger dimensions for strong fixation. This segmentation allows each part to optimize its function without compromising the other, resolving the contradiction between fixation strength and positioning precision.
Data Source
AI summary
A wiring module is attached to a fixation target elongated on one side. The wiring module includes a flat wiring member extending along an elongated direction of the fixation target and a protector attaching the flat wiring member to the fixation target. The protector includes a support part supporting the flat wiring member and a fixing part and an insertion part each protruding from the support part to a side opposite to a side on which the flat wiring member is supported A protrusion dimension of the insertion part is larger than a protrusion dimension of the fixing part.