Shielding Cover Locking Arms for Higher Connector Disengaging Force
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Solution Overview
Problem
Existing electrical connectors lack a mechanism to enhance the disengaging force between the plug and receptacle connectors, relying solely on shielding covers and shells without additional features to secure the connection.
Innovation Solution
The electrical connector design incorporates a shielding cover with integral locking arms and recesses in the peripheral walls of both the plug and receptacle connectors, which engage to increase the disengaging force by providing a mechanical locking mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a shielding cover and shielding shell are used without additional locking features, then the device complexity is reduced, but the disengaging force between connectors is insufficient
Solution Approach 1:
The locking arms are integrally formed with the shielding cover as a single piece, merging the shielding function and locking function into one component. This eliminates the need for separate locking mechanisms while providing enhanced disengaging force through the locking arms that extend into the shielding shell.
2Force
If integral locking arms are added to the shielding cover, then the disengaging force between connectors is enhanced, but the ease of manufacture is reduced
Solution Approach 1:
The locking arms are formed as an integral part of the shielding cover through a single molding process. The shielding cover is molded with the locking arms already formed, eliminating the need for separate manufacturing steps or assembly operations to attach locking components.
3Reliability
If locking arms are integrated into the shielding cover, then the reliability of the connection is improved, but the device complexity increases
Solution Approach 1:
The locking arms are integrally formed with the shielding cover, combining the shielding function and locking function into a single component. This integral structure eliminates potential failure points from separate parts and assembly operations, thereby improving connection reliability while adding minimal structural complexity.
Data Source
AI summary
An electrical connector includes: an insulative housing having a base and a body extending from the base; plural contacts secured to the insulative housing; and a shielding cover surrounding the insulative housing and having a plate and a peripheral wall, the plate corresponding to the base of the insulative housing, the peripheral wall surrounding the body of the insulative housing to define an annular groove, wherein the peripheral wall integrally forms a pair of locking arms.