Multi-Rail Slide Assembly for Smooth Motion in Tight Spaces
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Solution Overview
Problem
Existing slide rail assemblies face challenges in achieving both smooth sliding and stability, with ball bearing systems providing smoothness but requiring more space, and solid bearing systems compromising on smoothness due to lack of ball bearings.
Innovation Solution
A slide rail assembly design comprising multiple rails with specific bending portions, contact surfaces, and a sliding auxiliary assembly with balls to enhance smoothness and stability while minimizing space, incorporating a supporting assembly and stopper mechanism for precise positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a ball bearing slide rail assembly is used to improve sliding smoothness, then sliding smoothness is improved, but installation space increases
Solution Approach 1:
The slide rail assembly is divided into multiple segments (first rail, second rail, third rail) with each segment containing specific functional elements. The ball bearings are segmented and placed at specific locations rather than distributed throughout, allowing smoothness improvement at critical points while minimizing overall space consumption.
Solution Approach 2:
Ball bearings are strategically positioned at specific locations where sliding smoothness is most needed (at the first supporting assembly and at the sliding auxiliary assembly), rather than uniformly distributing them throughout the entire rail structure. This localized application of bearing elements optimizes smoothness where required while reducing overall component count and space requirements.
2Area of stationary object
If a solid bearing slide rail assembly is used to reduce installation space, then installation space is reduced, but sliding smoothness deteriorates
Solution Approach 1:
The invention merges the advantages of both ball bearing and solid bearing systems by combining solid rail structures with strategically placed ball bearings. The solid rails provide structural integrity and space efficiency, while the integrated ball bearings at critical interfaces deliver the necessary sliding smoothness, creating a hybrid system that combines both approaches.
Solution Approach 2:
Ball bearings serve as intermediary elements between the solid rail structures, mediating the contact and motion between rails. These intermediary bearing elements transfer and smooth the interaction forces between the solid rail components, enabling smooth sliding motion while maintaining the compact solid structure.
3Ease of operation
If multiple ball bearings are arranged to improve sliding smoothness, then sliding smoothness is improved, but device complexity increases
Solution Approach 1:
The invention extracts and removes unnecessary ball bearing elements from the system, keeping only the essential bearing components at critical locations. By taking out redundant bearings and simplifying the supporting assemblies, the design achieves adequate sliding smoothness with fewer components, thereby reducing structural complexity while maintaining performance.
Solution Approach 2:
The supporting assemblies are designed with dynamic characteristics that allow them to adapt to loading conditions. The first supporting assembly and sliding auxiliary assembly can dynamically adjust their support characteristics based on the position and load of the moving rail, reducing the need for excessive static structural complexity.
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 design improves sliding smoothness and stability in limited spaces by utilizing a combination of rail geometries and a sliding auxiliary assembly with balls, allowing for efficient movement and precise stopping, thus addressing the limitations of previous systems.
Implementation Method 1
a plurality of balls configured to assist the third rail in moving relative to the second rail
Implementation Method 2
a first contact surface is formed at an inner side of the first bending portion, and a second contact surface is formed at an outer side of the second bending portion
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, a third rail, a first supporting assembly and a sliding auxiliary assembly. The first supporting assembly is arranged on the first rail for supporting the second rail. The sliding auxiliary assembly is movably mounted on the second rail, and includes a plurality of balls for supporting the third rail.