Wiring Fixing Structure With External Holding Member
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Solution Overview
Problem
Conventional fixing structures for wiring materials with cylindrical sheaths, such as corrugated tubes, face challenges in securely adhering the wiring material due to difficulties in applying adhesive to the inside of the sheath, making it hard to fix the wiring material to the sheath effectively.
Innovation Solution
A fixing structure that includes a holding member attached to the outside of the cylindrical sheath, with protruding portions inserted into the bellows-shaped valleys of the sheath to restrict movement, and a tie band or fixing tape to secure the wiring material to the holding member, ensuring secure attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cylindrical sheath (such as a corrugated tube) is used to cover the wiring material, then the wiring material is protected from damage, but it becomes difficult to apply adhesive to the inside of the sheath and fix the wiring material to the sheath
Solution Approach 1:
Instead of applying adhesive to the inside of the cylindrical sheath, the invention inverts the approach by attaching a holding member to the outside of the sheath and securing the wiring material to the holding member. This external attachment method eliminates the difficulty of accessing the interior of the cylindrical sheath while maintaining effective fixation.
2Reliability
If adhesive is applied to fix the wiring material to the sheath, then the wiring material is secured, but it becomes difficult to apply adhesive to the inside of a pre-formed cylindrical sheath
Solution Approach 1:
The invention reverses the conventional approach by moving the attachment mechanism from the interior to the exterior of the sheath. The holding member is attached to the outside surface of the sheath, and the wiring material is secured to this external holding member, making the operation simple and accessible.
3Reliability
If a holding member with protruding portions is used to fix the holding member to the sheath by inserting into bellows shape valleys, then movement is restricted effectively, but the structure becomes more complex
Solution Approach 1:
The sheath is designed with a bellows shape, which provides flexible valleys that can receive the protruding portions of the holding member. This flexible structure allows for simple yet effective movement restriction without requiring complex mechanical components, as the bellows shape naturally accommodates and secures the protrusions.
Data Source
AI summary
A corrugated tube is formed in a cylindrical shape to cover an electric wire that is made of at least a conductive material, extends in one direction, and inserted into the corrugated tube. A holding member is fixed to the corrugated tube. A tie band fixes a part of the electric wire to the holding member, the part being extended outwardly from the corrugated tube. With this constitution, the electric wire inserted into the corrugated tube can be fixed to the holding member fixed to the corrugated tube by the tie band thus fixing the electric wire to the corrugated tube formed in a cylindrical shape.