Slide rail assembly
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Solution Overview
Problem
Conventional slide rail assemblies lack a positioning or stopping function when partially extended, failing to provide precise control over the movement of the second rail relative to the first rail.
Innovation Solution
The slide rail assembly incorporates a first and second engagement element with elastic parts and guiding sections, allowing the second rail to abut against the first rail at specific positions, enabling precise positioning and release mechanisms to adjust the extension length based on user requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional slide rail assembly is designed with a blocking mechanism only at full extension, then the structure is simple, but the positioning control is insufficient when partially extended
Solution Approach 1:
The blocking mechanism is segmented into multiple independent blocking parts (first blocking part, second blocking part, third blocking part) positioned at different locations along the first rail. Each blocking part can be independently engaged by corresponding engagement elements to provide positioning at different extension positions, transforming a single-function blocking mechanism into a multi-position positioning system.
Solution Approach 2:
The blocking mechanism is designed with multi-functionality to serve multiple purposes: the first blocking part provides positioning at a first position, the second blocking part provides positioning at a second position, and the third blocking part provides positioning at a third position. This universal blocking mechanism replaces the need for separate positioning systems for each position, achieving multiple positioning functions within a unified structure.
2Measurement precision
If multiple engagement elements are added to enable positioning at multiple positions, then the positioning precision is improved, but the device complexity increases
Solution Approach 1:
Multiple engagement elements (first engagement element, second engagement element, third engagement element) are merged into a single integrated engagement structure that can simultaneously or sequentially engage with multiple blocking parts. This combining approach allows the system to achieve multi-position positioning precision without proportionally increasing the number of independent components, as the engagement elements work as a coordinated system rather than isolated parts.
Solution Approach 2:
The engagement elements are designed with dynamic characteristics, allowing them to flexibly engage and disengage from different blocking parts based on the extension position. The engagement elements can adaptively adjust their engagement state, enabling precise positioning at multiple positions while maintaining a relatively simple overall structure through dynamic interaction rather than static multi-component assembly.
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 precise control over the movement of the second rail, allowing it to be held at multiple positions relative to the first rail, enhancing usability and flexibility in accommodating different application requirements.
Implementation Method 1
The first engagement element comprises an elastic part and a contact part connected to the elastic part
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, a first engagement element, and a second engagement element. The first rail includes a first blocking part. The second rail is movably connected to the first rail. The first and second engagement elements are connected to the second rail. When the second rail moves relative to the first rail toward a first position, the first engagement element abuts against the blocking part of the first rail. When the first engagement element is operatively detached from the blocking part of the first rail, the second rail to is able to move relative to the first rail toward a second position from the first position. When the second rail is located at the second position, at least part of the second engagement element is adjacent to the blocking part of the first rail.