Cable Guide Link Side Plate Curved Contact Surface
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Solution Overview
Problem
Conventional cable protection and guide devices face issues with link frame bodies twisting due to external forces, insufficient durability against crush forces, and excessive abrasion and noise when transitioning to a linear position, as they lack effective dispersion of load and positional correction mechanisms.
Innovation Solution
The cable protection and guide device features link side plates with convex and concave surfaces that come into contact obliquely, dispersing forces and preventing twisting, while the linkage portion with a central flexible area and increasing thickness enhances durability and reduces wear, allowing for precise positioning and noise mitigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If planar linear position holding surfaces are used for contact between link frame bodies, then the device can maintain linear position, but the link frame bodies twist under external force and durability against crush forces is insufficient
Solution Approach 1:
The patent replaces planar contact surfaces with convex and concave curved surfaces. The linear position holding surfaces are formed with convex portions on one link frame body and corresponding concave portions on adjacent link frame bodies, allowing arc-shaped contact instead of planar contact. This curvature enables the surfaces to better distribute and disperse applied forces, increasing durability against crush forces while maintaining linear position stability.
2Device complexity
If planar contact surfaces are used between link frame bodies, then the structure is simple, but excessive abrasion and impact noise occur when transitioning to linear position
Solution Approach 1:
The convex and concave curved surfaces enable arc-shaped contact during position transitions, which naturally distributes the contact over a larger area and reduces peak stresses. This reduces both abrasion (by distributing wear across the curved surface area) and impact noise (by smoothing the transition path and reducing shock loads).
Solution Approach 2:
The curved surface geometry is designed to gradually guide link frame bodies into their linear position, cushioning the impact before final contact. The arc-shaped contact path allows for a more gradual deceleration and positioning process, reducing sudden impacts and associated noise.
3Ease of manufacture
If planar holding surfaces are used, then manufacturing is simple, but the surfaces cannot correct twisted positional relationships between link frame bodies
Solution Approach 1:
The convex and concave curved surfaces are designed with specific radii and geometries that provide self-aligning characteristics. When link frame bodies come into contact through these curved surfaces, the geometry naturally guides them into the correct relative positions, correcting twisted or misaligned states. The arc-shaped contact paths provide mechanical guidance that passive planar surfaces cannot achieve.
Data Source
AI summary
A device capable of correcting the relatively twisted positional relationship of mutually adjacent link frame bodies, and precisely place the link frame bodies at appropriate positions. A link side plate includes a rear side plate portion having first and second linear position holding surfaces respectively at rear and front sides thereof in a longitudinal direction. The first linear position holding surface has a convex shape formed with two faces whose attitudes are mutually different with respect to a lateral direction. The second linear position holding surface has a concave shape formed with two faces whose attitudes are mutually different with respect to the lateral direction.