Slide Rail Locking Mechanism for Automatic Latch Release
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Solution Overview
Problem
Conventional slide assembly locking mechanisms are not easily operable and lack a seamless transition between locked and unlocked states when the rails are retracted and extended.
Innovation Solution
A locking mechanism comprising a stop, a pivotably connected locking member, a release member with an operation portion and a window, and a resilient member that automatically locks the second rail when retracted and releases it when pulled outward, utilizing a flexible leg to guide the locking member away from the stop.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional locking mechanism is used to lock the rails when retracted, then the rails are securely locked, but the locking mechanism is difficult to operate and lacks seamless transition between locked and unlocked states
Solution Approach 1:
The locking mechanism automatically locks when the second rail is retracted relative to the first rail without requiring manual intervention. The resilient member automatically engages the locking member with the stop, and the system self-activates based on the relative position of the rails, eliminating the need for complex manual operation while maintaining secure locking
Solution Approach 2:
The locking member is designed to be pivotably connected to the second rail, allowing it to dynamically transition between locked and unlocked states. The resilient member provides dynamic engagement and disengagement forces, enabling seamless transition between states while maintaining reliable locking when retracted
2Extent of automation
If a resilient member is used to automatically engage the locking member with the stop, then automatic locking is achieved, but the release mechanism becomes more complex
Solution Approach 1:
The release member combines multiple functions into a single component: it guides the locking member during engagement, provides the operation portion for user activation, and defines the window that accommodates the locking member. This merging of functions reduces the number of separate parts while achieving automatic locking through the resilient member
Solution Approach 2:
The resilient member acts as an intermediary between the locking member and the stop, providing automatic engagement through its resilient nature. It mediates the interaction between moving and stationary components, enabling automatic locking without requiring direct mechanical connection between the locking member and stop
3Ease of operation
If the locking member is pivotably connected to the second rail, then easy release is achieved through pivoting motion, but the structural complexity increases
Solution Approach 1:
The locking mechanism is segmented into distinct functional components: the stop connected to the first rail, the pivotably connected locking member, the resilient member for engagement, and the release member for activation. This segmentation allows each component to perform its specific function simply, with the pivoting locking member providing easy release while the overall structure remains manageable through clear functional division
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 automatic locking of the slide assembly when the rails are retracted and effortless release when pulled outward, ensuring secure and convenient operation.
Implementation Method 1
The resilient member contacts between the locking member and an inner edge of the window so as to keep the locking member to be located corresponding to the stop
Implementation Method 2
When the operation portion of the release member is pulled outward, the locking member is guided by the inclined surface of the window and is pivoted toward another direction so as to disengage the locking member from the stop
Data Source
AI summary
A locking mechanism of a slide assembly is connected between a first rail and a second rail, and includes a top, a locking member, a release member and a resilient member. The stop is connected to the first rail and the locking member is pivotably connected to the second rail. The release member has a window to accommodate the locking member. The window includes an inclined surface which is located corresponding to the locking member. The resilient member contacts between the locking member and the inside of the window to keep the locking member to be located corresponding to the stop. When the second rail is retracted relative to the first rail, the locking member is engaged with the stop. When the operation portion of the release member is pulled outward, the locking member is guided by the inclined surface and pivoted toward another direction to disengage from the stop.