Control Cable Connection Structure with Separable Joint Case
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Solution Overview
Problem
Conventional control cable connection structures make it difficult to remove inner cables due to limited access and space, especially when multiple cables are involved or when one cable is broken.
Innovation Solution
A connection structure featuring a joint case with a separable design, a joint member, and an attachment member with a fitting portion that allows the inner cables to be easily removed by exposing the fitting portion from the internal space, along with a detachment prevention mechanism to secure the cables in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the lid piece is removed from the casing, then the inner cable can be accessed, but the access area is limited and removal operation becomes difficult
Solution Approach 1:
The joint case is divided into two separable parts: a first joint case and a second joint case. This segmentation allows the second joint case to be removed, exposing the fitting portion and enabling easy access to the inner cable for removal or replacement operations.
Solution Approach 2:
The fitting portion is extracted from the internal space of the joint case and exposed to the external environment. This allows the inner cable to be directly accessed and removed from the fitting portion without requiring disassembly of the entire joint case structure.
2Adaptability or versatility
If multiple control cables are present, then the system functionality is enhanced, but the complexity of cable removal and replacement increases
Solution Approach 1:
The fitting portion is designed with a universal structure that can accommodate multiple inner cables from different control cables. Each inner cable can be independently fitted into or removed from the same fitting portion, providing a standardized interface that simplifies maintenance operations regardless of the number of cables.
3Ease of repair
If the joint case is made separable, then the maintenance operation is simplified, but the structural complexity increases
Solution Approach 1:
The joint case is segmented into separable first and second parts, with the second joint case being removable. This segmentation enables easy access to the fitting portion for maintenance operations while maintaining a relatively simple overall structure through modular design.
Data Source
AI summary
A connection structure of a control cable includes one control cable, the other control cable, a joint case separable into pieces on respective sides of one and the other control cables, a joint member, and an attachment member. The other control cable includes first and second control cables. The attachment member has a fitting portion allowing fitting of an inner cable of each of the first and second control cables into an outer circumferential surface of the attachment member. The fitting portion can be exposed from an internal space when the joint case is separated. Thus, a connection structure of a control cable with which an inner cable can readily be removed can be obtained.