Slide rail assembly
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Solution Overview
Problem
Existing slide rail mechanisms lack versatility and functionality to meet diverse market requirements, particularly in terms of handling and movement control.
Innovation Solution
A slide rail assembly with a handle that includes a first rail, a second rail, a third rail with a blocking feature, and working members that can switch between states, allowing for controlled movement and blocking mechanisms to manage the extension and retraction of the second rail.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional slide rail mechanism is used, then the structure is simple, but the functionality and versatility are insufficient to meet diverse market requirements
Solution Approach 1:
The patent integrates multiple functions into a single slide rail assembly by combining the handle mechanism with the blocking feature and working members. The handle serves both as a gripping element for user operation and as a driver for the operating member that controls the blocking feature. This multi-functional design allows the assembly to meet diverse market requirements without proportionally increasing structural complexity
Solution Approach 2:
The patent merges the handle mechanism with the blocking mechanism into a unified assembly. The handle is integrated with the operating member that controls the blocking feature, and the blocking feature is integrated with the working members on the second rail. This merging reduces the number of separate components and simplifies the overall structure while enhancing functionality
2Reliability
If the second rail is allowed to move freely along the opening direction, then the ease of operation is improved, but the reliability is reduced due to inability to prevent movement beyond fully extended position
Solution Approach 1:
The blocking feature is designed to be dynamic rather than fixed. The blocking walls can engage or disengage from the working members based on the position and state of the second rail. When the second rail reaches the fully extended position, the blocking feature automatically engages to prevent further movement. This dynamic behavior ensures reliability by providing automatic movement control while maintaining ease of operation during normal use
Solution Approach 2:
The blocking feature operates automatically based on the position of the second rail and the state of the working members, without requiring external control or intervention. The system self-regulates to prevent over-extension, ensuring reliability while maintaining ease of operation
Data Source
AI summary
A slide rail assembly includes a first rail, a second rail, a third rail, a first working member, a second working member, an operating member and a handle. During a process of the handle being moved to switch from a first state to a second state, the operating member is driven to move the second working member to switch from a first working state to a second working state. When the second rail is moved along an opening direction to an extended position, the first working member in the first working state and a blocking feature block each other to prevent the second rail from being further moved along the opening direction, and the second working member in the second working state and a second blocking wall of the blocking feature do not block each other to allow the second rail to be moved along a retracting direction.