Cable Clearance Adjustment With Elastic Preload Mechanism
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Solution Overview
Problem
Cable installations in vehicles often result in clearance tolerances that lead to poor locking or operational feeling due to variations in cable length, requiring frequent removal and reinstallation, which is inefficient and limited in resolving clearance issues.
Innovation Solution
A clearance adjusting device with a wire connected to a drive mechanism and an operation mechanism, featuring an elastic part and a clearance elimination mechanism that automatically adjusts the clearance by providing an elastic force to eliminate gaps between the drive mechanism and the wire, and includes a length adjustment socket to adjust the wire's length for excessive clearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the cable is removed and reinstalled to resolve clearance, then the clearance can be adjusted, but the number of works increases and productivity decreases
Solution Approach 1:
The cable assembly includes an integrated adjustment mechanism with a adjusting nut and lock nut that enable the cable clearance to be adjusted in place without removal. The self-contained adjustment system allows workers to resolve clearance issues directly at the installation location, eliminating the need to disconnect and reinstall the entire cable assembly.
2Ease of manufacture
If the cable clearance is not adjusted, then the installation process is simple, but the mechanisms fail to operate smoothly due to poor locking or operational feeling
Solution Approach 1:
The cable assembly incorporates a dynamic adjustment mechanism with adjustable and lockable components that allow the clearance to be optimized after installation. This dynamic system enables the cable tension and clearance to be fine-tuned to achieve proper mechanism operation while maintaining installation simplicity through the integrated adjustment features.
3Device complexity
If a fixed cable length is used, then the manufacturing process is simple, but clearance tolerance cannot be resolved due to variations in cable length from frequent use
Solution Approach 1:
The cable assembly is segmented into adjustable components including an adjusting nut, lock nut, and cable housing that allow independent adjustment of cable clearance. This segmentation enables precise clearance control without changing the overall cable structure or length, maintaining manufacturing simplicity while resolving tolerance issues.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device simplifies the adjustment of cable clearance, improving production convenience and workability by automatically eliminating tolerance issues and allowing for easy adjustment of excessive clearance, ensuring smooth operation of mechanisms connected by the cable.
Implementation Method 1
the wire receives an elastic force provided in the other direction toward the operation mechanism by the elastic part to eliminate a clearance between the drive mechanism and the wire
Data Source
AI summary
A clearance adjusting device for a cable includes a wire having a first side connected to a drive mechanism and a second side connected to an operation mechanism to enable the drive mechanism to be operated in conjunction with the operation mechanism when the wire is moved in an other direction by operation of the operation mechanism, an elastic part having a first end portion connected to the wire and formed to be elastically compressible, and a clearance elimination mechanism fixed to a base, with the wire and the elastic part embedded therein while the wire passes therethrough, in a state where a second end portion of the elastic part is connected to and supported by the clearance elimination mechanism, such that the wire receives an elastic force provided in the other direction toward the operation mechanism by the elastic part.