Slide rail assembly and rail kit thereof
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Solution Overview
Problem
Existing slide rail assemblies lack a versatile two-stage locking mechanism that can be easily unlocked in one step, limiting their adaptability to varying market demands and operational requirements.
Innovation Solution
A slide rail assembly with a first and second locking mechanism, each comprising elements that define different spaces relative to a blocking portion, and an operating member to control the locking and unlocking process, allowing the second rail to be locked in two stages and unlocked in one step by releasing stored elastic energy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a two-stage locking mechanism is implemented, then the locking reliability is improved, but the device complexity increases
Solution Approach 1:
The first locking mechanism and second locking mechanism are nested within the same operational structure, with both mechanisms sharing common components such as the operating member and elastic element. The first locking mechanism engages at a first position while the second locking mechanism engages at a second position, creating a nested locking sequence that improves reliability without proportionally increasing complexity
Solution Approach 2:
The elastic element is pre-compressed during the locking process, storing elastic energy that automatically engages the locking mechanisms. The first locking mechanism is engaged preliminarily before the second locking mechanism, creating a staged locking sequence where preliminary actions prepare the system for subsequent locking stages
2Adaptability or versatility
If a two-stage locking mechanism is implemented, then the adaptability to market demands is improved, but the ease of operation deteriorates
Solution Approach 1:
The operating member is designed to control both the first locking mechanism and second locking mechanism through a single unified structure. When the operating member is actuated, it simultaneously disengages both locking mechanisms through coordinated movement, merging the control of multiple locking stages into one operational action that restores ease of operation
Solution Approach 2:
The single operating member serves multiple functions: it controls the first locking mechanism, controls the second locking mechanism, and coordinates the release sequence of both mechanisms. This multi-functional design allows the system to provide two-stage locking adaptability while maintaining simple single-step operation for unlocking
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 secure two-stage locking and efficient retraction of the second rail in a single operational step, enhancing the assembly's adaptability and user convenience.
Implementation Method 1
the elastic element stores a certain amount of elastic energy due to compression by the second element... the elastic element to release the stored elastic energy and thereby bring the second element back to the first position
Data Source
Figure 1
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AI summary
A slide rail assembly (22) includes a first rail (26), a second rail (28), a first locking mechanism (46), and a second locking mechanism (48). The second rail (28) can be displaced with respect to the first rail (26). The first locking mechanism (46) and the second locking mechanism (48) are arranged at two different portions of the second rail (28) respectively and are configured to lock the second rail (28) at two predetermined extended positions (P1, P2) respectively. The first locking mechanism (46) and the second locking mechanism (48) can be operated so that the second rail (28) is no longer locked by the locking mechanisms (46, 48) and can be retracted with respect to the first rail (26).