Multistage Slide Rail Assembly for Adaptable Extension Configurations
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Solution Overview
Problem
Existing slide rail assemblies lack the capability for multistage opening configurations, which limits their adaptability to varying market demands and application requirements.
Innovation Solution
A slide rail assembly comprising multiple rails and support rails with specific connecting and limiting features, allowing for multistage extension and retraction positions, and incorporating engaging and operating members to secure and release the rails, enabling the assembly to carry multiple objects while facilitating maintenance access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional single-stage slide rail assembly is used, then the structure is simple, but the adaptability to varying market demands is limited
Solution Approach 1:
The slide rail assembly is divided into multiple independent rails (first rail, second rail, third rail) and support rails that can move relative to each other. Each rail can be independently positioned at different stages, allowing the assembly to adapt to various market demands while maintaining a modular structure that isn't overly complex.
Solution Approach 2:
The slide rail assembly incorporates movable connections between rails and support rails, allowing dynamic adjustment of positions. The engaging members enable the system to transition between fixed and movable states, providing adaptability while maintaining structural integrity when needed.
2Adaptability or versatility
If multiple rails are added to enable multistage opening, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The slide rail assembly uses a nested configuration where the second rail moves along the first rail, and the third rail moves along the second rail through support rails. This nesting approach enables multistage opening capability while efficiently utilizing space and reducing overall structural complexity compared to independent parallel rails.
3Reliability
If limiting features and engaging members are added to secure rails at extended positions, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The engaging members are designed to automatically engage with limiting features when the rails reach extended positions, providing self-locking functionality. This self-service mechanism ensures reliability and stability at extended positions without requiring additional active control systems or complex locking mechanisms.
Solution Approach 2:
The limiting features act as intermediaries between the movable rails and the fixed structure. These features provide discrete positioning points that guide and constrain the rails at specific extended positions, ensuring reliability while using simple geometric features rather than complex mechanical locks.
4Ease of repair
If the third support rail extends beyond the second support rail, then the maintenance accessibility is improved, but the device complexity increases
Solution Approach 1:
The support rails are designed with segmented extension capabilities, where the third support rail can extend beyond the second support rail by specific distances (first extension distance or second extension distance). This segmentation allows maintenance personnel to access different components at different stages without requiring complete disassembly, improving ease of repair while maintaining a structured configuration.
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, a first support rail, a second support rail, a third rail, and a third support rail. The second rail is displaceable with respect to the first rail. The first support rail is fixedly connected to a first portion of the second rail. The second support rail is movably connected to a second portion of the second rail. The third rail is fixedly connected to the second support rail. The third support rail is displaceable with respect to the third rail.