Slide Rail Blocking Mechanism for Controlled Extension Safety
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Solution Overview
Problem
Existing slide rail devices lack safety features that prevent unrestricted extension or retraction, posing a risk of injury to users during mounting.
Innovation Solution
A safety slide rail device featuring an outer rail unit with a sliding surface and a safety blocking member that frictionally engages with an intermediate rail to impede its movement, ensuring safe operation by allowing controlled sliding only when a sufficient pulling force is applied.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the slide rail device allows unrestricted extension or retraction, then the ease of operation is improved, but the safety of the device deteriorates
Solution Approach 1:
The patent applies preliminary anti-action by incorporating a blocking member that proactively prevents dangerous unrestricted movement before injury can occur. The blocking member is positioned in advance on the sliding surface to counteract potential harmful motion, allowing controlled operation while preventing safety hazards.
Solution Approach 2:
The blocking member serves as an intermediary element between the sliding components. It mediates the interaction by providing frictional engagement with the intermediate rail, controlling the sliding movement and preventing dangerous unrestricted extension or retraction while still allowing necessary operational movement.
2Object-affected harmful factors
If a safety blocking member is added to impede sliding movement, then the safety of the device is improved, but the device complexity increases
Solution Approach 1:
The patent applies segmentation by dividing the slide rail device into distinct functional components: the outer rail with sliding surface, the intermediate rail, and the separate blocking member. This segmentation allows the safety function to be added as a distinct element rather than integrating complexity into the existing rail structure.
Solution Approach 2:
The blocking member is designed as a simple, inexpensive component that can be easily manufactured and installed. Rather than redesigning the entire rail system, a relatively simple blocking element is added to provide the safety function, minimizing the increase in overall device complexity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Prevents user injury by ensuring controlled sliding movement, enhancing safety during mounting to server cabinets.
Implementation Method 1
The safety blocking member is frictionally engaged with the intermediate rail so as to impede sliding movement of the intermediate rail relative to the outer rail
Data Source
AI summary
A safety slide rail device includes an outer rail unit and an intermediate rail. The outer rail unit includes an outer rail that has a sliding surface, and a safety blocking member that is disposed on the sliding surface. The intermediate rail is slidably disposed on the sliding surface. The safety blocking member is frictionally engaged with the intermediate rail so as to impede sliding movement of the intermediate rail relative to the outer rail.