Flat Wiring Fixing Structure That Preserves Spread State
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Solution Overview
Problem
Existing wire harnesses struggle to maintain their spread state when fixed to a target using annular band clamps, as they tend to become constricted and lose their flat configuration.
Innovation Solution
A wiring member with a fixing member that includes a flat wiring member and an annular part capable of changing between annular and non-annular states, where the annular part is attached to the wiring member to maintain its spread state and then fixed to a target, ensuring the wiring member remains flat and spread even when secured.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an annular band clamp is used to fix the wire harness to a target, then the wire harness is securely fixed, but the wire harness becomes constricted and loses its spread state
Solution Approach 1:
The fixing member is divided into two functional parts: an annular part for providing fixing force and a non-annular plate-like part for maintaining the spread state. This segmentation allows each part to perform its specific function without interfering with the other, resolving the contradiction between secure fixing and maintaining shape.
Solution Approach 2:
Different regions of the fixing member have different geometric properties: the annular part provides constriction for fixing, while the non-annular plate-like part provides a flat surface for maintaining the spread state. This local differentiation of geometric quality allows the fixing member to simultaneously achieve both fixing reliability and shape maintenance.
2Reliability
If an annular band clamp is used to fix the wiring member, then the wiring member is securely attached, but the flat configuration is lost
Solution Approach 1:
The fixing member is segmented into an annular attachment part and a non-annular plate-like part. The annular part ensures secure attachment through constriction, while the plate-like part maintains the flat configuration by providing a rigid backing surface that prevents deformation during and after attachment.
Solution Approach 2:
The fixing member combines geometric forms with complementary functions: the annular geometry provides fixing capability while the plate-like geometry provides structural support for maintaining flatness. This composite geometric structure resolves the contradiction between attachment reliability and flat configuration preservation.
3Device complexity
If a simple annular clamp is used, then the device complexity is low, but the wiring member cannot maintain its spread state
Solution Approach 1:
The fixing member is divided into two simple geometric parts: an annular part and a plate-like part. This segmentation adds minimal complexity while enabling the device to perform both fixing and shape maintenance functions, resolving the contradiction between device simplicity and functional capability.
Data Source
AI summary
A wiring member with a fixing member includes a flat wiring member, and a fixing member. The fixing member includes an attachment part and a fixing part. The attachment part includes an annular part and an annular shape maintaining part. The annular part is capable of changing a state between an annular state and a non-annular state. The annular shape maintaining part is provided at one end portion of the annular part, fastens another end portion of the annular part, and maintains the annular part in the annular state. In a state in which the annular part is in the annular state and the attachment part is attached to the flat wiring member, a part of the flat wiring member to which the attachment part is attached is in a spread state.