Electrical Connector Terminal Stability via Segmented Base and Strip
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Solution Overview
Problem
Existing electrical connectors connecting chip modules to mainboards face issues with terminal deformation and dislocation due to fatigue, leading to unstable contact and potential damage during insertion and use.
Innovation Solution
The design incorporates strip connecting portions and bases that form multiple contact points with accommodating holes, providing stability and support to terminals, preventing deformation and ensuring secure fixation within the holes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If terminals are formed by stamping a thin plate to improve fatigue resistance, then fatigue resistance is improved, but the base is easily deformed and dislocated during insertion
Solution Approach 1:
The terminal is divided into two separate components: a base and an elastic arm. The base is stamped from a thin plate to provide fatigue resistance, while the elastic arm is separately formed and then assembled to the base. This segmentation allows each part to be optimized independently - the base for durability and the elastic arm for contact functionality, resolving the contradiction between fatigue resistance and positioning accuracy.
2Loss of substance
If the base is made thin to reduce material usage, then material consumption is reduced, but the base is easily deformed during insertion
Solution Approach 1:
The base and elastic arm are merged into a single integrated terminal structure through assembly. The thin-stamped base provides fatigue resistance and low material consumption, while the elastic arm contributes structural support and deformation resistance. The combination of these two components resolves the contradiction between material efficiency and structural strength.
3Adaptability or versatility
If terminals are made with thin bases to improve flexibility, then flexibility is improved, but contact stability deteriorates due to easy deformation
Solution Approach 1:
By segmenting the terminal into a thin-stamped base and a separately formed elastic arm, the base maintains flexibility and fatigue resistance while the elastic arm provides structural support for stable contact. The segmented design allows each component to fulfill its specific function without compromising the other, resolving the contradiction between flexibility and contact stability.
Data Source
AI summary
An electrical connector includes: a circuit board, provided with multiple accommodating holes, where each accommodating hole is circular shaped; multiple terminals, where each terminal includes a base, and the base is accommodated in a corresponding accommodating hole; and multiple strip connecting portions, configured to be connected to a corresponding one of the first strips. One strip connecting portion and the corresponding base are fixed to each other. When the strip connecting portion and the corresponding base are inserted into the corresponding accommodating hole, the strip connecting portion supports and abuts the corresponding base, such that the corresponding terminal is not easily deformed or rotated during the insertion, and the corresponding terminal is not easily damaged. The strip connecting portion, the corresponding base and the corresponding accommodating hole form a contact of at least three points, ensuring the corresponding terminal to be stably fixed in the corresponding accommodating hole.