Slide Assembly Retaining Mechanism With Split Holding and Blocking Members
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Solution Overview
Problem
Existing retaining mechanisms for slide assemblies, which rely on a single piece with blocking sections for securing the movable rail, are prone to damage during operation, limiting their service life and strength.
Innovation Solution
A retaining mechanism comprising a holding member and a blocking member made of different materials and thicknesses, with a holding member having slots and a protuberance, and a blocking member with ribs, where the blocking member is positioned between the holding member and the first rail, and a fixed plate engages with the blocking member's ribs to secure the rail in place, enhancing strength and service life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single piece blocking section is used to secure the movable rail, then the structure is simple, but the blocking section is prone to damage during operation
Solution Approach 1:
The blocking section is divided into two separate pieces: a holding member and a blocking member. The holding member is fixed to the stationary rail and provides positioning slots, while the blocking member is fixed to the movable rail and has engaging sections with ribs that fit into the slots. This segmentation allows each component to be optimized independently, improving overall reliability while maintaining structural simplicity.
2Ease of manufacture
If a single piece blocking section is used, then manufacturing is simple, but service life is limited
Solution Approach 1:
The blocking mechanism is segmented into holding member and blocking member that can be manufactured separately using different materials and thicknesses optimized for their specific functions, then assembled together. This approach maintains manufacturing simplicity while extending service life through differentiated material selection and load distribution.
Solution Approach 2:
The holding member and blocking member can be made of different materials with different thicknesses, allowing each component to be optimized for its specific functional requirements. This composite approach enhances overall durability and service life while maintaining ease of manufacture through standardized connection methods.
3Device complexity
If blocking sections are formed on a one piece material, then the structure is compact, but the blocking sections may be damaged during operation
Solution Approach 1:
The blocking section is segmented into holding member and blocking member that connect through fixed ends. This segmentation allows each piece to be optimized for strength in its specific location and function, while the overall structure remains compact through the integrated connection of the two members.
Solution Approach 2:
Each member can have different local properties (material composition, thickness, geometry) optimized for its specific function and stress conditions. The holding member has slots optimized for positioning, while the blocking member has engaging sections with ribs optimized for load-bearing, improving overall strength while maintaining compactness.
Data Source
AI summary
A retaining mechanism for a slide assembly includes a first rail, a second rail, a holding member, a blocking member and a fixed plate. The second rail is slidably connected to the first rail. The holding member has a fixed end and slots. The fixed end is fixedly connected to the first rail. The blocking member has a fixed end and an engaging section, and is located between the holding member and the first rail. The fixed end of the blocking member corresponds to the fixed end of the holding member and is fixedly connected to the first rail. The engaging section corresponds to the slots of the holding member. The fixed plate is fixedly connected to the second rail and corresponds to the slots of the holding member.