Electrical Connector Housing Structure Against Miniaturization Deformation
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Solution Overview
Problem
The miniaturization of electrical connectors leads to reduced strength and increased susceptibility to plastic deformation, making them more prone to breakage and deformation due to reduced rigidity, while the manufacturing process of connectors is limited by the fluidity of resin and terminal structures.
Innovation Solution
The design incorporates a plug connector with a lead-in portion and a receptacle connector with an extension portion, featuring recesses and protrusions that reinforce the housing at critical locations, maintaining rigidity despite reduced size and height.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the connector size and height are reduced through miniaturization, then the compactness is improved, but the strength and rigidity of the molded part deteriorate
Solution Approach 1:
The patent applies local quality by creating recesses at specific locations on the terminal contact surfaces where mechanical stress concentrates. These localized structural modifications reinforce critical areas without increasing overall connector size, allowing the molded part to maintain strength at reduced dimensions.
2Volume of moving object
If the connector size and height are reduced through miniaturization, then the compactness is improved, but the resistance to plastic deformation deteriorates
Solution Approach 1:
Recesses are strategically positioned at terminal contact surfaces where plastic deformation most likely occurs during connection. This localized reinforcement prevents irreversible deformation at critical stress points while maintaining the overall compact connector design.
3Length of stationary object
If the molded part thickness is reduced to achieve compact dimensions, then the connector height is reduced, but the structural integrity deteriorates
Solution Approach 1:
The recesses create localized thickness variations that reinforce the molded part at critical locations. By concentrating material at stress-prone areas through recess formation, the patent maintains structural integrity even when the overall molded part thickness is reduced for compactness.
4Manufacturing precision
If deep drawing is used for terminal manufacturing, then the terminal shape precision is improved, but the structural flexibility deteriorates
Solution Approach 1:
The recesses are formed directly on the terminal contact surfaces, allowing precise localization of reinforcement features. This approach enables deep-drawn terminals to maintain their precision while adding localized structural features that enhance flexibility and stress distribution without requiring complete terminal redesign.
Data Source
AI summary
Disclosed herein is an electrical connector including a plug connector mounted on a substrate and connected to a receptacle connector. The plug connector includes: a plug housing including a base and first to fourth walls; and multiple plug signal terminals disposed at least on the first wall. A recess is formed between the plug signal terminals to be located below an upper end of the first wall of the plug housing. In the receptacle connector as a mating connector, a protrusion is formed between receptacle signal terminals 20-3 to be located above a base of a receptacle housing of the receptacle connector. The recess of the plug connector (10) receives the protrusion of the receptacle connector therein.