Three-Section Slide Rail Assembly for Smooth Motion in Tight Space
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Solution Overview
Problem
Existing slide rail assemblies face challenges in balancing sliding smoothness and space efficiency, with ball bearing systems providing smoothness but requiring more space, and solid bearing systems compromising on smoothness for reduced space usage.
Innovation Solution
A three-section slide rail assembly with a first rail, a second rail, and a third rail, featuring a first supporting assembly and a sliding auxiliary assembly with arc-shaped contact surfaces and balls to enhance smoothness while minimizing space, allowing for improved sliding performance in a compact design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a ball bearing slide rail assembly is used, then sliding smoothness is improved, but installation space increases
Solution Approach 1:
The slide rail assembly is divided into multiple sections: a first slide rail section with ball bearings for smooth movement, and a second slide rail section with solid bearings for space efficiency. This segmentation allows each section to be optimized for its specific function while collectively resolving the contradiction between smoothness and space requirements.
Solution Approach 2:
Different sections of the slide rail assembly have different bearing types tailored to their specific functional requirements. The first section uses ball bearings where smoothness is critical, while the second section uses solid bearings where space constraints are more important. This local differentiation resolves the contradiction by applying the right solution in the right location.
2Volume of moving object
If a solid bearing slide rail assembly is used, then installation space is reduced, but sliding smoothness deteriorates
Solution Approach 1:
The assembly segments the sliding path into two distinct zones with different bearing characteristics. The solid bearing section provides compactness while the ball bearing section restores smoothness where needed, thus resolving the contradiction through spatial segmentation of functional properties.
Solution Approach 2:
The invention merges two different bearing systems (ball bearings and solid bearings) into a single integrated slide rail assembly. This combination allows the system to simultaneously achieve the space efficiency of solid bearings and the sliding smoothness of ball bearings, resolving the contradiction by integrating complementary solutions.
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 assembly achieves enhanced sliding smoothness and stability in limited spaces by utilizing a combination of supporting assemblies and a sliding auxiliary assembly with rolling contact, effectively addressing the trade-off between smoothness and space efficiency.
Implementation Method 1
a sliding auxiliary assembly (20) arranged on the second rail (14), comprising a plurality of balls (66) configured to support the third rail (16) and assist the third rail (16) in moving relative to the second rail (14)
Data Source
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AI summary
A slide rail assembly (10) includes a first rail (12), a second rail (14), a third rail (16), a first supporting assembly (18) and a sliding auxiliary assembly (20). The first supporting assembly (18) is arranged on the first rail (12) for supporting the second rail (14). The sliding auxiliary assembly (20) is movably mounted on the second rail (14), and includes a plurality of balls (66) for supporting the third rail (16).