Slide Rail Locking Structure to Prevent Rail Dislocation
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Solution Overview
Problem
Conventional slide rail assemblies have complex engaging mechanisms that are inconvenient for users to operate, making it difficult to prevent one rail from dislocating from another when moved to a predetermined position.
Innovation Solution
A slide rail assembly with a bracket assembly that includes a side plate, an end plate, an arm member with a blocking portion, and an engaging member, where the blocking portion blocks the contact portion of the engaging member when the second rail is pulled to a predetermined position, ensuring it remains locked in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional engaging mechanism is used to prevent rail dislocation, then the protection mechanism is provided, but the structure becomes over-complicated and operations become inconvenient
Solution Approach 1:
The engaging mechanism is segmented into distinct functional components: the blocking portion on the arm member and the contact portion on the engaging member. This segmentation allows each component to perform its specific function independently, simplifying the overall structure while maintaining the protection mechanism's reliability.
Solution Approach 2:
The essential protection function is extracted from the complex conventional engaging mechanism and embodied in the simple blocking portion-contact portion interaction. This extraction removes unnecessary structural elements while retaining the core functionality of preventing rail dislocation.
2Reliability
If a conventional engaging mechanism is used to prevent rail dislocation, then the protection mechanism is provided, but the operations to disable the protection mechanism become inconvenient
Solution Approach 1:
The engaging member is designed with self-service characteristics where the contact portion automatically engages with the blocking portion when the second rail is pulled to the predetermined position, and can be easily disengaged by applying force to the engaging member. This eliminates the need for complex operational procedures to disable the protection mechanism.
3Ease of operation
If a simple structure is provided, then ease of operation is improved, but the ability to prevent rail dislocation may be compromised
Solution Approach 1:
The blocking portion and contact portion are designed to dynamically interact based on the rail's position. When the second rail is pulled to the predetermined position, the contact portion automatically contacts the blocking portion to prevent further movement. This dynamic engagement maintains reliability while keeping the structure simple and easy to operate.
Data Source
AI summary
A slide rail assembly comprising a first rail, a second rail, and an engaging member, wherein the first rail is connected to the side plate of the bracket assembly; the second rail is longitudinally and movably connected to the first rail; and the engaging member is connected to the second rail and comprising a contact portion, wherein when the second rail is pulled and moved along a direction with respect to the first rail to a predetermined position, the blocking portion of the arm member blocks the contact portion of the engaging member so that the second rail is blocked at the predetermined position.