FPC Connector Unlock Structure for Thin Auto-Locking Assemblies
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional wire-to-board connectors lack the ability to provide both automatic locking and manual unlocking functions while being suitable for thin, space-constrained applications such as automotive and thin electronic products.
Innovation Solution
An easy-lock connector with a single-piece snap-fit and unlock structure, featuring a rubber core and housing with stop bodies and elastic members, allows for automatic locking and manual unlocking of flexible printed circuit boards by using notches and terminals to secure and release the board.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional wire-to-board connectors are used, then connection functionality is provided, but automatic locking and manual unlocking functions cannot be provided simultaneously while maintaining thin profile
Solution Approach 1:
The patent combines the locking mechanism and unlocking mechanism into a single integrated connector structure. The housing includes both locking protrusions that engage with the FPC and pressing parts that enable manual unlocking, eliminating the need for separate locking and unlocking devices. This merging allows the connector to provide both automatic locking and manual unlocking functions while maintaining a thin profile suitable for space-constrained applications.
Solution Approach 2:
The pressing parts are nested within the housing structure, with the elastic members and locking blocks integrated into the housing body. The pressing parts can be pressed through the housing wall to activate the unlocking mechanism without requiring additional external space. This nesting approach allows the unlocking mechanism to be contained within the thin connector structure.
2Length of moving object
If thin connectors are designed for space-constrained applications, then connector thickness is reduced, but automatic locking and manual unlocking functions may be compromised
Solution Approach 1:
The patent employs elastic members that provide dynamic locking and unlocking capabilities. The locking blocks are connected to the pressing parts through elastic members, allowing the locking mechanism to automatically engage when the FPC is inserted and to be dynamically released when the pressing parts are pressed. This dynamic mechanism ensures reliable locking while maintaining a thin connector profile, as the elastic deformation provides the necessary mechanical advantage without requiring thick structural components.
3Ease of operation
If manual unlocking structure is added, then unlocking functionality is enabled, but device complexity increases
Solution Approach 1:
The pressing parts serve multiple functions: they provide the manual unlocking action, guide the locking blocks during engagement, and work with the elastic members to provide both locking and unlocking capabilities. The housing structure itself serves as both the body and the mechanism carrier, integrating the unlocking function into the existing connector structure rather than adding separate unlocking components. This multi-functionality reduces overall device complexity while enabling easy manual unlocking.
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
Enables secure connection and easy disconnection of flexible printed circuit boards, ensuring reliable operation in thin electronic applications without permanent deformation, thus addressing the need for automatic and manual locking in compact designs.
Implementation Method 1
the elastic members are deformed, and then the locking blocks of the cantilevers move in the direction of unlocking the notches
Implementation Method 2
the pressing surface is not pressed by an external force, enabling the locking blocks of the cantilevers to lock the notches
Data Source
AI summary
An easy-lock connector with unlock structure includes a rubber core, a housing and plural terminals. The rubber core includes a first body, acting parts and terminal grooves in which the terminals are arranged. Each of the action parts includes a first stop body and a third stop body. An opening is formed between the first stop body and the third stop body. The housing includes a second body and pressing parts. When the action parts are pressed by an external force, the action parts will be deformed. Then, a flexible printed circuit board will be unlocked on the first body, and the action parts are stopped by the first stop body and the third stop body to stop continuing to deform. When the action parts are not pressed by the external force, the circuit board is locked on the first body.