Offset Terminal Lock for Scalable Electrical Housing
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Solution Overview
Problem
Existing electrical terminal housings are not scalable to accommodate various sizes of electrical terminals, as designs suitable for small terminals often fail to effectively retain larger ones, leading to inefficient contact and potential damage.
Innovation Solution
The electrical terminal housing features offset terminal locks that engage the terminal closer to one side wall of the cavity, allowing for secure retention of terminals of different sizes and enabling easy service by a key mechanism that releases the lock for removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a terminal housing design is optimized for small electrical terminals, then the retention security for small terminals is improved, but the effectiveness for retaining larger terminals deteriorates
Solution Approach 1:
The terminal lock is positioned asymmetrically within the terminal cavity, specifically offset from the center toward one side wall. This asymmetric positioning allows the lock to effectively engage terminals of varying sizes by creating a consistent engagement point that maintains retention security across different terminal dimensions, resolving the contradiction between optimization for small terminals and adaptability to larger terminals
2Device complexity
If the terminal lock is positioned at the center of the terminal cavity, then the design is simple and symmetric, but the retention effectiveness for various sized terminals deteriorates
Solution Approach 1:
The terminal lock is deliberately positioned asymmetrically, offset from the center of the terminal cavity toward one side wall. This asymmetric positioning improves retention effectiveness for terminals of various sizes by creating an optimal engagement geometry, while the overall housing design maintains simplicity through the straightforward offset positioning approach
3Adaptability or versatility
If the terminal lock engages the terminal at an offset position closer to one side wall, then the adaptability to various terminal sizes is improved, but the symmetry of the housing design is reduced
Solution Approach 1:
The terminal lock is positioned asymmetrically within the terminal cavity, offset from the center toward one side wall. This asymmetric positioning enhances adaptability to terminals of various sizes by creating a consistent engagement point that works effectively across different terminal dimensions, while the asymmetric design itself becomes the defining characteristic that enables the scalability
Data Source
AI summary
An electrical terminal housing includes a housing body. The housing body defines a terminal cavity. An insertion opening in the housing body opens into the terminal cavity. A mate opening in the housing body also opens into the terminal cavity. A terminal lock extends from the housing body and is located in the terminal cavity. The terminal lock is adapted to engage an electrical terminal to retain the electrical terminal in the terminal cavity. The terminal lock is offset from the center of a side of the terminal cavity and is located closer to one side wall of the terminal cavity.