Wire Harness Protector Hinge Structure for Load Dispersion
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Solution Overview
Problem
Protectors for wire harnesses face durability issues due to direct load transfer to the joining portion, which is thinner and more fragile than the cover body and body portion, leading to reduced load resistance.
Innovation Solution
A protector design that includes a body contact portion on the body portion and a cover body contact portion on the cover body, which come into contact to disperse loads applied to the cover body, thereby reducing the load on the joining portion, enhancing the durability of the joining portion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the joining portion is made thinner to provide flexibility, then the flexibility and ease of operation are improved, but the load resistance and durability are reduced
Solution Approach 1:
The patent introduces contact portions as intermediary elements between the cover body and body portion. These contact portions serve as mediators that transfer loads away from the fragile joining portion, allowing the joining portion to remain thin and flexible while the contact portions bear the mechanical stress. This resolves the contradiction by adding an intermediary structure that protects the thin joining portion from direct load exposure.
2Ease of operation
If the joining portion is made thinner to provide flexibility, then the ease of operation is improved, but the reliability is reduced
Solution Approach 1:
The contact portions act as protective intermediaries that shield the thin joining portion from direct mechanical loads. By transferring loads through the contact portions, the joining portion maintains its flexibility while being protected from damage, thereby improving reliability without sacrificing ease of operation.
Solution Approach 2:
The contact portions provide beforehand cushioning by being positioned to receive and distribute loads before they can reach the fragile joining portion. This preventive structure ensures that the joining portion is never directly exposed to damaging forces, maintaining both flexibility and durability over time.
3Adaptability or versatility
If the cover body and body portion are joined via a thin joining portion, then the flexibility is improved, but the structural integrity is reduced
Solution Approach 1:
The contact portions serve as intermediary load-bearing elements that allow the thin joining portion to maintain flexibility while preserving overall structural integrity. The contact portions absorb and distribute mechanical stresses, preventing them from compromising the structural integrity of the thin joining portion.
Data Source
AI summary
Provided is a wire harness apparatus 80 that uses a protector 10 for a wire harness that includes a body portion 16 into which a wire harness W is to be inserted; a cover body 18 that covers an opening portion 56 of the body portion 16; a joining portion 20 with flexibility that is formed thinner than the body portion 16 and the cover body 18 and rotatably joins the cover body 18 to a first side wall 22a of the body portion 16; a body contact portion 40 provided on the first side wall 22a of the body portion 16; and a cover body contact portion 58 provided on the cover body 18 that transfers a load applied to the cover body 18 to the body portion 16 by the cover body contact portion 58 coming into contact with the body contact portion 40.