Rotating Locking Hook Connector with Concave Edges
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Solution Overview
Problem
Existing electrical plug connectors face issues with wear and tear, particularly in modular designs, leading to frequent opening and closing, which can cause excessive wear on components and complicate handling.
Innovation Solution
A modular electrical plug connector design featuring a first and second housing part with a rotatable locking hook and locking element, having concave outer edges with recesses, allowing for secure closure and reopening without excessive wear, and a second locking device for enhanced stability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the electrical plug connector is designed with a modular housing structure allowing frequent opening and closing, then the adaptability and ease of operation are improved, but excessive wear occurs on the journal component
Solution Approach 1:
The locking element is designed with concave outer edges that are curved rather than straight, allowing it to roll along the journal surface during opening and closing operations. This curved geometry distributes wear across a larger surface area and reduces stress concentration at single contact points, thereby extending the service life of the journal component while maintaining modular housing functionality
2Ease of manufacture
If the locking element has a simple geometric shape, then the ease of manufacture is improved, but the ability to prevent excessive wear on the journal is reduced
Solution Approach 1:
The concave outer edges of the locking element provide curved surfaces that are relatively simple to manufacture using standard forming processes, while simultaneously enabling rolling contact with the journal to reduce wear. The curvature is optimized to balance manufacturing simplicity with wear prevention functionality
3Device complexity
If the locking element is made small in size, then the device complexity is reduced, but the radius of curvature of the concave edges must be reduced which increases wear
Solution Approach 1:
The locking element maintains a compact overall size while incorporating concave outer edges with optimized radius of curvature. The concave geometry allows the contact surface to have sufficient curvature for wear prevention while keeping the overall dimensions of the locking element small, thus balancing device complexity with reliability
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 enables the electrical plug connector to be opened and closed multiple times with reduced wear on components, simplifies handling, and provides secure locking, preventing accidental opening while maintaining structural stability and corrosion resistance.
Implementation Method 1
the first locking element can be passed on a path partially around the first journal by pivoting the first locking hook
Data Source
AI summary
An electrical plug connector comprises a first housing part and a second housing part. The second housing part has a first journal. The first housing part has a first locking hook. A first end of the first locking hook is rotatably connected to the first housing part. A second end of the first locking hook has a rotatably arranged first locking element. In this case, the first locking element can be passed on a path partially around the first journal by pivoting the first locking hook. The first locking element has a contour having at least two concave outer edges arranged at an angle to one another.