Slide Rail Positioning Mechanism for Variable Rack Width Installation
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Solution Overview
Problem
The installation of a slide rail assembly in a rack-mounted computer server system is challenging due to the retractable stent unit, which can slide during installation, making it difficult to fit between two brackets of varying widths.
Innovation Solution
A slide rail displacement positioning mechanism with a pivotally connected positioning member that allows the stent unit's support members to be moved and fixed relative to each other, utilizing a position-limiting slot and plate system to facilitate locking and unlocking, enabling adjustment and fitting between different bracket widths.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the stent unit is made retractable to fit different bracket widths, then the adaptability to various widths is improved, but the stability during installation deteriorates due to sliding
Solution Approach 1:
The stent unit employs a dynamic design where the second support member can slide along the outer slide rail, allowing the unit to adjust its length to fit different bracket widths. The position-limiting plate provides dynamic locking at specific positions during installation, then releases to allow sliding adjustment, resolving the contradiction between adaptability and stability.
Solution Approach 2:
The position-limiting plate acts as an intermediary mechanism between the second support member and the outer slide rail. It temporarily constrains the second support member at specific positions during installation, preventing unwanted sliding, then allows controlled movement when needed for width adjustment, thus mediating between stability and adaptability requirements.
2Ease of operation
If the position-limiting plate is pivotally connected to allow movement, then the ease of operation for locking/unlocking is improved, but the device complexity increases
Solution Approach 1:
The position-limiting plate is designed to be pivotally connected and biased by a spring, allowing it to automatically engage with the stop edge or rib depending on the position of the second support member. This self-service mechanism eliminates the need for separate locking actuators, improving ease of operation while keeping the device relatively simple.
Data Source
AI summary
A slide rail displacement positioning mechanism includes a slide rail assembly and a stent unit and a positioning member respectively connected to the slide rail assembly such that when connecting the stent unit to an external bracket, a first support member and a second support members of the tent unit moved relative to each other to the best fit position for allowing the second support member be affixed to the bracket, and then the relative positioning condition between the first support member and the second support member is released for allowing movement of the first support member toward the second support member for fixation to another external bracket. Thus, the slide rail displacement positioning mechanism fits any of various different widths between two opposite brackets.