Cabinet Slide Hook Brake for Easy-Release Rail Positioning
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Solution Overview
Problem
Conventional slide structures for computer cabinets lack a safe and efficient braking mechanism, leading to accidental sliding and potential damage due to inertia, and existing locking devices require excessive force to release the brake.
Innovation Solution
A slide braking apparatus comprising a guide bump, a hook, and a control handle is installed on the inner and middle rails, allowing the hook to pivot and engage with the guide bump for braking, and a link element connects the control handle to the hook for easy release from the braking position, enabling force application from different directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking device is installed on the slide to provide braking effect, then the positioning effect is improved, but the force required to release the brake increases
Solution Approach 1:
The patent inverts the conventional braking mechanism by using a spring-loaded hook that automatically engages with the guide bump for braking, while the control handle with link element provides a mechanical advantage system that reduces the release force. The spring force provides automatic engagement, and the link element leverages user input more efficiently, allowing easy release despite strong braking engagement.
Solution Approach 2:
The link element acts as an intermediary between the control handle and the hook, providing mechanical advantage and force multiplication. This intermediate linkage system allows the user to apply smaller force at the control handle while achieving sufficient force at the hook for brake release, resolving the contradiction between strong braking and easy release.
2Strength
If friction is used to provide link between components, then the components are connected, but the user must apply larger moment of force to push the shifting mechanism
Solution Approach 1:
The patent replaces the friction-based mechanical linkage with a spring-loaded engagement system and a control handle with link element. The spring provides positive engagement through elastic force rather than friction, and the link element creates a mechanical advantage system that reduces the moment of force required, substituting friction-based connection with spring-based connection and lever-based force multiplication.
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
This design provides a safe and effort-saving mechanism to control the sliding of the inner rail into the middle rail, reducing the risk of accidental sliding and allowing easy release of the braking action, enhancing user safety and operational convenience.
Implementation Method 1
a resilient element is extended between the inner rail and the hook, and the resilient element supplies a resilience to the hook
Implementation Method 2
the rib is guided by the guide plane of the guide bump to drive the hook to turn and press against the braking plane of the guide bump
Data Source
AI summary
A slide braking apparatus installed on a slide in a cabinet, and the slide sequentially installs a bottom rail, a middle rail and an inner rail. The braking apparatus is disposed between the middle rail and the inner rail. A hook and a control handle for controlling the hook to turn are installed on a surface of the inner rail corresponding to the middle rail. A guide bump is disposed on a surface of the middle rail. The front end of the guide bump has a guide plane for guiding the hook to turn, so that when the hook is turned back to resume its original position, the hook presses precisely at the rear end of the guide bump to limit the inner rail from sliding into the middle rail.