Electrical Connector Shaft Lever for Stable Threaded Locking
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Solution Overview
Problem
Existing electrical connectors lack a stable locking mechanism to prevent disengagement from adapter connectors due to weak locking forces.
Innovation Solution
An electrical connector design featuring a shaft lever with dual threaded regions that screw into the adapter connector, enhancing stability through threaded engagement and optional use of a locking member and guide rail for additional locking, ensuring secure attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a fastener is used as the locking structure, then the electrical connector can be connected to the adapter connector, but the locking force is weak and the connection is easily released
Solution Approach 1:
The patent changes the locking mechanism from a simple fastener to a threaded connection system. The shaft lever incorporates threads that engage with corresponding threaded holes in the adapter connector, transforming the locking mechanism from relying solely on friction and simple mechanical interference to utilizing threaded engagement which provides superior locking force and resistance to loosening.
Solution Approach 2:
The shaft lever is divided into functional segments including a first threaded region for connection to the shell and a second threaded region for engagement with the adapter connector. This segmentation allows each region to perform its specific function optimally, with the threaded portions providing robust mechanical interlocking.
2Reliability
If a threaded connection is used to enhance locking stability, then the locking force is improved, but the device complexity increases
Solution Approach 1:
The patent merges the locking function and the connection function into a single integrated shaft lever component. The shaft lever simultaneously provides structural support, electrical connection pathway, and threaded locking engagement. This consolidation eliminates the need for separate locking mechanisms, fasteners, or additional locking components, thereby reducing overall device complexity while maintaining enhanced locking stability.
Solution Approach 2:
The shaft lever serves multiple functions: it provides structural support for the electrical connection portion, acts as a mechanical locking element through its threaded regions, and facilitates both assembly and disassembly of the connector. This multi-functionality reduces the number of components needed and simplifies the overall device structure.
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
Provides a stable and secure locking mechanism that resists disengagement, allowing easy attachment and detachment while maintaining electrical connection integrity.
Implementation Method 1
The shaft lever is provided with a first threaded region 131 and a second threaded region 132. The first threaded region 131 is in threaded connection with the shell 110, and the second threaded region 132 is configured to be screwed into a hole 11 of the adapter connector 10
Data Source
AI summary
An electrical connector is provided, including a shell, an electrical connection portion, and a shaft lever. The electrical connection portion is arranged on the shell. The shaft lever is provided with a first threaded region and a second threaded region. The first threaded region has the same thread direction as the second threaded region, and is in threaded connection with the shell. The second threaded region is configured to be screwed into a hole of the adapter connector to be fastened with an inner wall of the adapter connector. The electrical connector can be fastened to the adapter connector in a more stable locking manner.


