Slide Rail Assembly with Two-Stage Locking for Adaptable Positioning
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Solution Overview
Problem
Existing slide rail assemblies lack a two-stage locking mechanism that allows for multiple predetermined positions and efficient retraction, limiting their adaptability to varying market demands.
Innovation Solution
A slide rail assembly with a first and second locking mechanism, and an operating member that enables the second rail to be locked and unlocked at two predetermined positions, allowing for displacement and retraction in different directions, utilizing pivotally connected elements and elastic portions for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single locking mechanism is used to prevent inadvertent displacement, then the structure is simple, but the adaptability to different market demands is limited
Solution Approach 1:
The locking mechanism is divided into two distinct stages: a first locking mechanism with a first blocking portion for initial positioning, and a second locking mechanism with a second blocking portion for final positioning. This segmentation allows the system to provide multiple predetermined positions while maintaining manageable complexity through modular design
Solution Approach 2:
The locking mechanisms are designed to be dynamically controllable through the operating member, allowing transition between locked and unlocked states. The first and second locking mechanisms can be independently activated or deactivated based on the displacement distance, providing adaptive functionality rather than a fixed single-state system
2Adaptability or versatility
If a two-stage locking mechanism is implemented, then the positioning flexibility is improved, but the device complexity increases
Solution Approach 1:
The two-stage locking mechanism is segmented into distinct functional components: first locking mechanism (46) with first element (52) and second element (54), and second locking mechanism (48) with third element (60) and fourth element (62). Each segment handles a specific positioning stage, improving positioning flexibility while keeping each individual locking mechanism relatively simple
Solution Approach 2:
The operating member (50) serves multiple functions: it can activate the first locking mechanism for initial positioning, activate the second locking mechanism for final positioning, or deactivate both mechanisms for retraction. This multi-functionality reduces the need for separate control systems for each locking stage
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 positioning at multiple stages and efficient retraction, enhancing adaptability and usability by allowing the second rail to be locked and unlocked at specific positions, addressing the need for a two-stage locking mechanism.
Implementation Method 1
The first base includes a first elastic portion and a second elastic portion for providing an elastic force to the first element and the second element respectively
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, a first locking mechanism, a second locking mechanism, and an operating member. The second rail can be displaced with respect to the first rail. The first locking mechanism and the second locking mechanism are configured to keep the second rail at either of two predetermined positions. The operating member can be used to operate the first locking mechanism and the second locking mechanism and thereby bring the locking mechanisms from a locked state to an unlocked state.