Welded Fixing Plate for Electrical Connector Shielding
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Solution Overview
Problem
Existing electrical connectors lack a secure and efficient method to integrate the insulative housing and shielding shell, leading to potential issues with waterproofing and electromagnetic interference.
Innovation Solution
An electrical connector design featuring an insulative housing with a frontal tongue, upper and lower rows of contacts, a shielding shell with a protruding wall, and a U-shaped fixing plate welded to the shielding shell, which securely encloses the insulative housing and provides effective sealing and reduced electromagnetic interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the insulative housing is mounted within the shielding shell using conventional methods, then the assembly is simple to manufacture, but the waterproofing and electromagnetic interference protection are insufficient
Solution Approach 1:
The fixing plate integrates multiple functions: it serves as both the mounting structure to secure the insulative housing within the shielding shell and as the waterproof sealing element. By combining the mounting and sealing functions into a single integrated component, the structure achieves improved waterproofing and electromagnetic interference protection without significantly increasing overall device complexity
Solution Approach 2:
The fixing plate acts as an intermediary element between the insulative housing and the shielding shell. It provides a secure mechanical connection while also serving as the waterproof barrier, mediating the interface between these components to achieve both structural integrity and environmental protection
2Object-affected harmful factors
If the insulative housing is securely mounted within the shielding shell, then the electromagnetic interference protection is improved, but the manufacturing process becomes more complex
Solution Approach 1:
The mounting structure is segmented into distinct functional zones: the fixing plate with its clamping portions for securing the insulative housing, and the protruding wall extending from the shielding shell. This segmentation allows for specialized design of each component to optimize electromagnetic shielding while maintaining manufacturing feasibility through modular assembly
Solution Approach 2:
The insulative housing is nested within the shielding shell, with the fixing plate positioned between them to provide both mechanical support and waterproof sealing. This nested arrangement ensures that the insulative housing is securely enclosed within the electromagnetic shield, achieving effective EMI protection while allowing for efficient assembly
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 design enhances waterproofing and reduces electromagnetic interference by securely mounting the insulative housing within the shielding shell, ensuring reliable connectivity and improved performance.
Implementation Method 1
a fixing plate received inside the shielding shell and welded to the protruding wall
Data Source
AI summary
An electrical connector includes: an insulative housing having a base and a frontal tongue, the base having a front face; an upper and lower rows of contacts mounted in the insulative housing and exposed respectively to two opposite sides of the tongue; a shielding shell enclosing the insulative housing and having a protruding wall (44) abutting the front face of the insulative housing base; and a fixing plate (6) received inside the shielding shell and welded to the protruding wall.