Slide rail assembly
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Solution Overview
Problem
Existing slide rail assemblies, such as those with telescoping designs, face challenges in maintaining convenience when the chassis is pulled out of a cabinet in limited spaces, as they become inconvenient to extend fully.
Innovation Solution
A slide rail assembly comprising a first rail, a second rail, a blocking element, and an engagement element, where the blocking element is moved between predetermined positions to adjust the extension length, allowing synchronous movement with an abutting feature, and utilizing an elastic element to position the blocking element, enabling flexible extension and retraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a telescoping slide assembly is used to save space, then space efficiency is improved, but convenience of maintenance deteriorates when the chassis is pulled out in limited spaces
Solution Approach 1:
The slide rail assembly employs a blocking element that can dynamically change position between a first predetermined position (allowing synchronous movement) and a second predetermined position (allowing independent extension). This dynamic reconfiguration enables the system to adapt between space-efficient mode and maintenance-friendly mode, resolving the contradiction between space efficiency and ease of operation
2Stability of the object's composition
If the blocking element is positioned to allow synchronous movement, then coordinated operation is improved, but extension freedom deteriorates
Solution Approach 1:
The blocking element's position is made dynamic rather than fixed. It can be switched between two states: engaged with the abutting feature for synchronous movement, or disengaged for independent extension. This dynamic switching capability allows the system to transition between coordinated operation and extension freedom as needed
3Adaptability or versatility
If the engagement element is operated to move the blocking element, then extension length adjustability is improved, but device complexity increases
Solution Approach 1:
The engagement element is designed to be manually operated by the user without requiring additional actuators or complex control systems. The user directly manipulates the engagement element to switch the blocking element between positions, allowing the system to achieve extension length adjustability through simple user interaction rather than complex automated mechanisms
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
The solution allows for adjustable extension length to accommodate different environments, ensuring convenient maintenance and space efficiency by preventing unwanted movement in limited spaces while allowing synchronized extension and retraction.
Implementation Method 1
an elastic element to position the blocking element
Data Source
AI summary
A slide rail assembly comprises a first rail, a second rail, a third rail, a blocking element and an engagement element. The first rail has a blocking part. The blocking element is connected to the second rail. When the second rail is located at a retrieve position relative to the first rail, and the engagement element is operatively connected to the blocking element for moving the blocking element from a first predetermined position to a second predetermined position relative to the second rail, only the third rail can move relative to the second rail when the slide rail assembly is extended along an extension direction, in order to adjust extension length of the slide rail assembly.