Hook Terminal Cable Fixing Axial Movement Prevention
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Solution Overview
Problem
Conventional cable fixing devices using elastic clips are prone to disengagement due to external shocks and experience reduced fixing power over time, failing to securely manage multiple cable strands.
Innovation Solution
A hook terminal with a hook unit, fixing unit, and pressure lugs is designed to securely insert and fix multiple cable strands, featuring a cable disengagement prevention mechanism and pressure lugs to inhibit axial movement through hot pressing, ensuring the cable remains fixed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an elastic clip is used to fix the cable, then the cable can be easily inserted and fixed, but the cable may be disengaged due to external shock and the fixing power decreases over time
Solution Approach 1:
The fixing device is divided into multiple functional segments: the hook unit for initial cable insertion and positioning, the disengagement prevention unit to maintain fixed state, and the pressure lugs for axial constraint. This segmentation allows each component to specialize in a specific function, improving overall reliability while maintaining ease of operation.
Solution Approach 2:
The hook unit performs preliminary action by providing an insertion groove that guides and positions the cable before final fixation. This preliminary positioning ensures the cable is correctly placed before the disengagement prevention unit and pressure lugs engage, making insertion easy while ensuring reliable subsequent fixation.
2Force
If an elastic body is used to press the cable, then the cable can be fixed with sufficient force, but the elastic force decreases as use time increases
Solution Approach 1:
The pressure lugs are designed to automatically maintain contact with the cable's external surface without requiring active force generation. Once the cable is inserted and the device is assembled, the pressure lugs self-adjust to apply friction-based axial constraint continuously, eliminating the need for degrading elastic force while maintaining fixing capability throughout the device's service life.
3Device complexity
If a simple elastic clip structure is used, then the device complexity is low, but the cable can move axially and disengage
Solution Approach 1:
Multiple fixation functions are merged into a single integrated device: the hook unit provides insertion guidance and initial positioning, the disengagement prevention unit prevents cable removal, and the pressure lugs constrain axial movement. This merging achieves comprehensive cable stability without requiring multiple separate components, maintaining relatively low device complexity while ensuring complete positional constraint.
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 hook terminal effectively prevents cable disengagement and axial movement, providing a stable and secure fixation for multiple cable strands, even under external shocks, by using a combination of a hook unit, fixing unit, and pressure lugs.
Implementation Method 1
a plurality of pressure lugs formed at the hook unit to inhibit the cable from moving to an axial direction by applying pressure to an external surface of the cable
Implementation Method 2
the hook terminal is formed with a cable disengagement prevention unit fixing a cable by way of hot pressing work
Data Source
AI summary
A hook terminal is disclosed, the terminal including: a hook unit formed with an upper side-opened fixing groove into which a cable of several strands can be inserted; a fixing unit integrally formed with a bottom side of the hook unit and fixed to a main body; a cable disengagement prevention unit formed at an upper end of the hook unit to inhibit the cable from being disengaged; and a plurality of pressure lugs formed at the hook unit to inhibit the cable from moving to an axial direction by applying pressure to an external surface of the cable, whereby the cable disengagement prevention unit fixing the cable by way of hot pressing work inhibits the cable of several strands from being disengaged and from moving to an axial direction.