Lever Connector Locking Structure for Higher Holding Force
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Solution Overview
Problem
Existing connectors face challenges in enhancing the holding force of the lever without increasing the size of the lock protrusion, which can lead to concentration of load and potential structural enlargement.
Innovation Solution
The connector design includes a first and second housing with integrated locking portions arranged side by side, allowing the lever lock portion to distribute the load evenly across both, thereby enhancing the holding force without enlarging the housings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the size of the lock protrusion is increased to enhance holding force, then the holding force is improved, but the housing is enlarged
Solution Approach 1:
The locking mechanism is segmented into multiple lock protrusions (first lock protrusion and second lock protrusion) that distribute the load. The lever includes a lever lock portion that engages with both protrusions simultaneously, dividing the holding force requirement across multiple smaller elements rather than concentrating it on a single large protrusion.
2Strength
If the size of the lock protrusion is increased to resist concentrated load, then the strength is improved, but the housing is enlarged
Solution Approach 1:
The load resistance function is segmented across multiple lock protrusions. The first lock protrusion and second lock protrusion are positioned at different locations on the housing, and the lever lock portion engages both simultaneously, distributing the mechanical stress across multiple contact points rather than concentrating it on a single enlarged protrusion.
3Device complexity
If a single lock protrusion is used to simplify the structure, then the device complexity is reduced, but the holding force is insufficient
Solution Approach 1:
The first lock protrusion and second lock protrusion are merged into an integrated locking system that works together with the lever lock portion. This combination provides enhanced holding force through multiple engagement points while maintaining relatively simple individual component structures, avoiding the need for a single complex enlarged protrusion.
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
This design effectively disperses the load across both locking portions, suppressing the need for increased size and enhancing the holding force of the lever, while maintaining a compact structure.
Implementation Method 1
the lever lock portion is locked to the lock protrusion, whereby the housing is held in a state connected to the mating connector
Implementation Method 2
the lever lock portion is locked to the lock protrusion
Data Source
AI summary
A connector includes a first housing, a second housing connectable to the first housing, and a lever rotatably supported on the first housing. The lever includes a lever lock portion for holding the first and second housings in a connected state. The first housing includes a first locking portion and the second housing has a second locking portion. The first and second locking portions, are arranged side by side with each other to constitute an integrated locking portion and arranged to be lockable to the lever lock portion with the first and second housings connected.