Slide rail assembly
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Solution Overview
Problem
Existing slide rail mechanisms require simultaneous operation of both actuating members to disengage the latch, lacking flexibility for different operational requirements.
Innovation Solution
A slide rail assembly with a blocking feature, auxiliary member, and operating members that allow sequential operation, ensuring safety by requiring operation of the second operating member to unlock the first, using resilient forces to create a time delay and ensure proper sequence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If both actuating members must be pressed simultaneously to disengage the latch, then safety is improved, but operational flexibility deteriorates
Solution Approach 1:
The mechanism transitions from a static simultaneous-pressing requirement to a dynamic sequential operation system. The first actuating member can be pressed at any time to engage the latch, while the second actuating member can be pressed at any time to disengage the latch, providing temporal flexibility. The system adapts its state based on the sequence of operations rather than requiring simultaneous actions.
Solution Approach 2:
The first actuating member performs a preliminary action of engaging the latch by pressing the first hook into the latch seat. This preliminary engagement must occur before the second actuating member can effectively disengage the latch. The system requires this preliminary state to be established before the disengagement action can be completed, creating a sequential dependency that improves safety while maintaining operational flexibility.
2Ease of operation
If only one actuating member is pressed, then operational simplicity is improved, but locking reliability deteriorates
Solution Approach 1:
The locking and disengagement functions are segmented into two separate actuating members with distinct roles. The first actuating member is responsible for engagement only, while the second actuating member is responsible for disengagement only. This segmentation ensures that pressing one member does not accidentally trigger the opposite function, maintaining reliability while simplifying individual operations.
Solution Approach 2:
The latch assembly acts as an intermediary mechanism between the two actuating members. The latch seat and hooks create an intermediate state that must be actively engaged by the first member and actively disengaged by the second member. This intermediary structure prevents direct coupling between the actuating members, ensuring that each must be operated independently to achieve its intended function.
3Reliability
If the latch assembly uses multiple hooks, then locking reliability is improved, but device complexity increases
Solution Approach 1:
The latch assembly uses asymmetric positioning of the first and second hooks relative to their respective actuating members. The first hook is positioned to be engaged by the first actuating member, while the second hook is positioned to be engaged by the second actuating member. This asymmetric arrangement allows for reliable dual-hook locking without requiring symmetric complexity in the actuating mechanism, as each hook has its dedicated control member.
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
Ensures operational safety by preventing unintended unlocking of the slide rail, allowing sequential operation of the first and second operating members with different force magnitudes, enhancing flexibility and safety.
Implementation Method 1
a resilient member configured to provide a resilient force for resiliently retaining the locking member in the locked state
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, a blocking feature, a first operating member, a second operating member, an auxiliary member and a locking member. The blocking feature is arranged on the first rail. The first operating member, the second operating member, the auxiliary member and the locking member are movably located on the second rail. The blocking feature is configured to block the locking member for preventing the second rail from displacing from a predetermined position. The auxiliary member is configured to block the first operating member, thereby preventing the first operating member from driving the locking member. The second operating member is configured to be operated to drive the auxiliary member to prevent the auxiliary member from blocking the first operating member, thereby allowing the first operating member to drive the locking member for allowing the second rail to displace from the predetermined position.