Slide rail assembly
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Solution Overview
Problem
Existing slide rail assemblies lack a mechanism to precisely position a second rail relative to a first rail at different positions, limiting their versatility and application in various requirements.
Innovation Solution
A slide rail assembly featuring a first rail, a second rail, assisting structures, a blocking member, and an operating member, where the blocking member is movably mounted on the second rail and can be operated to block or allow displacement along specific directions, enabling positioning at multiple predetermined positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a blocking mechanism is added to enable precise positioning of the second rail at different positions, then the positioning precision and versatility are improved, but the device complexity increases
Solution Approach 1:
The blocking mechanism is segmented into multiple independent components: blocking members (34) that can be individually positioned, assisting structures (28a-28d) that provide discrete positioning points, and operating members (36) that control each blocking member independently. This segmentation allows the second rail to be precisely positioned at multiple predetermined locations while keeping each component relatively simple in structure.
Solution Approach 2:
The assisting structures (28a-28d) act as intermediaries between the blocking members (34) and the second rail (24). These assisting structures provide reference points and guide the blocking members to engage at specific positions, enabling precise positioning without requiring complex direct control mechanisms between the operating members and the rail.
2Adaptability or versatility
If a blocking mechanism with multiple assisting structures is implemented to allow positioning at different positions, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The blocking members (34) are designed with universal functionality to work with all assisting structures (28a-28d) along the first rail (22). Each blocking member can engage with any assisting structure to provide positioning, and the same blocking member can also function as an assisting structure for other blocking members. This multi-functionality increases adaptability while avoiding the need for separate mechanisms for each positioning function.
Solution Approach 2:
The blocking members (34) are designed to be movable between a blocking state (where they engage with assisting structures to prevent displacement) and a non-blocking state (where they allow free movement). This dynamic capability allows the mechanism to adapt between different operational modes: precise positioning mode and free movement mode, increasing versatility without requiring entirely separate mechanisms for each mode.
3Ease of operation
If blocking members are made movable to allow operation between blocking and non-blocking states, then the ease of operation is improved, but the reliability may worsen due to potential positioning errors
Solution Approach 1:
The blocking members (34) are designed to automatically transition between blocking and non-blocking states based on their interaction with the assisting structures (28a-28d). When a blocking member engages with an assisting structure, it automatically enters the blocking state without requiring additional control input. This self-service mechanism ensures consistent positioning while reducing the complexity of control operations.
Solution Approach 2:
The assisting structures (28a-28d) provide physical feedback to the blocking members (34) through engagement and disengagement. When a blocking member engages with an assisting structure, the physical contact provides tactile feedback that confirms proper positioning. This feedback mechanism ensures reliable positioning by allowing the operator to verify engagement, while maintaining ease of operation through intuitive physical interaction.
Data Source
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AI summary
A slide rail assembly (20) includes a first rail (22), a second rail (24), a blocking member (34) and an operating member (36). A plurality of assisting structures (28a, 28b, 28c, 28d) are arranged on the first rail (22). The second rail (24) is displaceable relative to the first rail (22) and can be positioned at different positions by a blocking of the blocking member (34) and one of the plurality of assisting structures (28a, 28b, 28c, 28d). The operating member (36) is configured to operate the blocking member (34) for terminating the blocking of the blocking member (34) and the one of the plurality of assisting structure (28a, 28b, 28c, 28d).