Slide Rail Lock Release Mechanism for Safe Extended Retraction
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Solution Overview
Problem
In slide rail assemblies, it is difficult for users to conveniently disable the mechanism that prevents a rail from being moved from an extended position, especially in configurations where the engagement structures are positioned far apart, making it hard to reach and increasing the risk of injury to nearby individuals.
Innovation Solution
A slide rail assembly design that includes a first rail, a second rail, and a third rail, with a disengaging feature on the first rail and a synchronizing member on the second rail, allowing the second rail to be prevented from moving from an extended position by engaging structures, and enabling easy retraction by operating members that provide an elastic force to disengage the mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the engagement structures are positioned far apart to prevent rail movement from extended position, then safety is improved, but user accessibility deteriorates
Solution Approach 1:
A releasing member is introduced as an intermediary tool that users can operate from outside the rack to disengage the engagement structures. The releasing member transmits force through the elastic component to detach the first structure from the second structure, allowing safe rail retraction without requiring users to reach into the hazardous space between rails.
2Reliability
If the engagement structures are positioned far apart, then accidental movement prevention is improved, but operating distance increases
Solution Approach 1:
The releasing member serves as a mechanical intermediary that bridges the gap between the user's hand and the engagement structures. Users operate the releasing member from a safe distance, and the elastic component transmits this operation to disengage the first structure from the second structure, eliminating the need for users to extend their hands into the hazardous space.
3Ease of operation
If the rail can be easily retracted, then ease of operation is improved, but safety control deteriorates
Solution Approach 1:
The engagement structures (first structure and second structure) are designed to automatically engage and lock the second rail at the extended position, preventing accidental movement. The elastic component maintains continuous engagement force to ensure the rail remains securely held unless deliberately released through the proper disengagement process.
Solution Approach 2:
The releasing member acts as a controlled intermediary that users must deliberately operate to disengage the engagement structures. This deliberate action requirement ensures safety control is maintained while still allowing easy retraction when needed, as the releasing member provides a simple operating mechanism external to the rack.
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 allows for safe and convenient retraction of the second rail into the rack, reducing the risk of injury and improving user accessibility by shortening the distance needed to operate the engagement structures, while maintaining safety by preventing accidental movement of the rail.
Implementation Method 1
an elastic component (72) configured to provide an elastic force to the first structure (32), in order to disengage the first structure (32) from the second structure (34)
Data Source
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AI summary
A slide rail assembly (300) includes a first rail (302), a second rail (304), a first structure (320), a second structure (322) and a disengaging member (312) . The disengaging member (312) is arranged at a position on the second rail (304) to be conveniently operated by a user. When the second rail (304) is moved relative to the first rail (302) to an extended position, the first structure (320) and the second structure (322) are configured to be engaged with each other, in order to hold the second rail (304) at the extended position. Wherein, the disengaging member (312) is configured to disengage the first structure (320) from the second structure (322).