Cable Connector Assembly Crimping Ring Design
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Solution Overview
Problem
Cable connector assemblies with a two-piece metallic shell configuration for high-speed signal transmission have a greater height and require complex assembly, making them less desirable for compact designs.
Innovation Solution
A cable connector assembly featuring a crimping ring that encloses the cable and metallic shell, with a split tongue portion in the insulative housing and a combined front and rear shell configuration, allowing for a lower profile and simplified assembly while maintaining shielding and compatibility with USB 2.0 standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a two-piece metallic shell configuration is used to crimp the cable and provide shielding, then the cable connector assembly achieves effective cable crimping and electromagnetic shielding, but the height of the connector assembly increases and assembly complexity increases
Solution Approach 1:
The patent combines the cable crimping function and electromagnetic shielding function into a single integrated metallic shell structure. The metallic shell includes a crimping portion that directly crimps the cable and a shielding portion that provides electromagnetic shielding, eliminating the need for separate two-piece configuration. This merging reduces the overall height of the connector assembly while maintaining both crimping and shielding effectiveness.
2Reliability
If a two-piece metallic shell configuration is used, then the cable connector assembly achieves effective cable crimping and shielding, but the assembly process becomes more complex requiring multiple components to be assembled
Solution Approach 1:
The patent integrates the crimping and shielding functions into a single metallic shell component, reducing the number of parts that need to be assembled. The metallic shell is configured as one piece with both the crimping portion and shielding portion integrated, eliminating the need to assemble multiple separate components to achieve both functions, thereby simplifying the assembly process.
3Device complexity
If a single integrated metallic shell is used, then the height and assembly complexity are reduced, but the ability to provide both crimping and shielding functions may be compromised
Solution Approach 1:
The metallic shell is designed with different portions having specialized local functions: a crimping portion with geometry optimized for cable crimping and a shielding portion configured for electromagnetic shielding. Each portion has its structure and properties tailored to its specific function, allowing the single integrated shell to effectively perform both crimping and shielding operations simultaneously.
Data Source
AI summary
A cable connector assembly comprises an insulative housing (1), a number of contacts (2), a cable (6) electrically connected with the contacts, and a metallic shell (3) enclosing the insulative housing. The insualtive housing includes a base portion (11) and a tongue portion (12) extending forwardly from the base portion. The metallic shell comprises a front shell (31) and a rear shell (32) combined with each other, the rear shell defines a pair of continued portions (322) extending backwards from an upper surface and a lower surface thereof, the continued portions is pressing on the cable, and the cable connector assembly further has a crimping ring (7) enclosing on the continued portions and the cable.