Multi-Earth Terminal Assembly Hook Rib Engagement
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Solution Overview
Problem
Multi-earth terminals with stacked ground terminals face separation issues under external forces, compromising their grounding function due to lack of strong coupling force.
Innovation Solution
The multi-earth terminal design incorporates hook pieces, hook ribs, a connector, and an elastic arm to ensure secure engagement between stacked ground terminals, utilizing inclined surfaces and projections for stable coupling and elastic support to prevent separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If two or more ground terminals are coupled in a stacked manner to improve space utilization, then space efficiency is improved, but the ground terminals are prone to separation under external force
Solution Approach 1:
The hook piece is inserted into the hook rib, forming a nested structure where one component fits within another. This nesting arrangement creates a compact stacked configuration while maintaining mechanical interlocking, thus achieving both space efficiency and coupling stability
Solution Approach 2:
The coupling mechanism is divided into separate functional elements: the hook piece on one ground terminal and the hook rib on another. This segmentation allows each component to be optimized independently while working together to prevent separation under external force
2Stability of the object's composition
If the hook rib is inserted into the hook piece to prevent separation, then coupling stability is improved, but the insertion process becomes complex
Solution Approach 1:
The hook piece and hook rib are pre-formed with specific geometries during manufacturing, including predetermined insertion directions and engagement features. This preliminary preparation simplifies the final assembly process by eliminating the need for complex alignment procedures
Solution Approach 2:
The hook piece and hook rib feature asymmetric geometries with distinct insertion directions. This asymmetry provides built-in guidance for proper orientation during assembly, reducing complexity by preventing incorrect insertion attempts
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
This design enhances the coupling force between stacked ground terminals, maintaining stability and preventing separation even under external forces, ensuring a robust grounding function.
Implementation Method 1
the elastic arm accumulates elastic force while being elastically deformed, and after the hook boss is inserted into the engagement hole, the elastic arm presses and supports the hook boss with the accumulated elastic force
Data Source
AI summary
A multi-earth terminal includes: a body having a hook piece and a hook rib, which are formed on an outer edge of the body; a barrel coupled with a wire; and a connector interconnecting the body with the barrel. Two or more bodies are stacked vertically and coupled to each other. When the two or more bodies are stacked vertically and coupled to each other, each of the two or more bodies includes the hook rib and the hook piece so that the hook rib of a first body that is located at an upper side of the vertically stacked bodies is inserted into and engaged with the hook piece of a second body that is located at a lower side of the vertically stacked bodies.