Rotational Hook Mechanism for Module Drop Prevention
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Solution Overview
Problem
Equipment chassis lack protection against user injury and component damage from dropped components during removal, especially in high-density enclosures where space constraints prevent the use of guide rails and other fixed mechanisms.
Innovation Solution
A rotational hook mechanism is integrated into the module, coupled with a spring that extends the hook from a storage position to a deployed position when the module is not fully inserted into the chassis, providing a temporary support to prevent drops and protect hardware from impact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If guide rails and fixed mechanisms are used for drop prevention, then protection against component damage is improved, but space requirements increase and device complexity increases
Solution Approach 1:
The protection mechanism is segmented into a modular hook assembly that can be independently deployed and stored. The hook assembly is separated from the main module body, allowing it to be activated only when needed during removal, rather than requiring a complex fixed guide rail system throughout the entire chassis.
Solution Approach 2:
The hook assembly transitions from a static fixed mechanism to a dynamic deployable structure. It rotates between a stored position (when module is inserted) and a deployed position (when module is being removed), providing protection only during the critical removal phase when space is constrained.
2Reliability
If guide rails and fixed mechanisms are used for drop prevention, then protection against component damage is improved, but space requirements increase
Solution Approach 1:
The protection function is segmented into a compact hook assembly that occupies minimal space when stored and only extends into the protection zone when needed, rather than requiring continuous guide rails throughout the chassis structure.
Solution Approach 2:
The hook assembly is nested within the module structure, rotating from a compact stored position inside the module to a deployed position for protection. This nesting allows the protection mechanism to be integrated without adding significant external space requirements.
3Area of stationary object
If a rotational hook mechanism is used for drop prevention, then space requirements are reduced, but device complexity increases
Solution Approach 1:
The complex rotational hook mechanism is localized to only the portion of the module that requires protection during removal, rather than complicating the entire module structure. The spring mechanism and rotation joint are confined to a specific local area.
Solution Approach 2:
The hook assembly is self-actuating through the spring mechanism that automatically extends the hook when the module is pulled during removal, eliminating the need for external actuators, motors, or complex control systems to deploy the protection mechanism.
4Area of stationary object
If a rotational hook mechanism is used for drop prevention, then space requirements are reduced, but manufacturing complexity increases
Solution Approach 1:
The complex manufacturing requirements are localized to specific components (hook assembly, spring, rotation joint) rather than affecting the entire module. These localized components can be manufactured and tested independently before final assembly.
Solution Approach 2:
The spring mechanism provides self-actuating functionality that eliminates the need for complex control systems, motors, or electronic components, simplifying manufacturing to primarily mechanical elements that are easier to produce and assemble.
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
The solution effectively reduces space requirements while ensuring personnel and equipment safety by automatically deploying a hook to catch the module if it falls, minimizing damage and injury risks during removal processes.
Implementation Method 1
A spring is coupled between the module and the hook assembly, and is configured to extend the hook assembly from the storage position to the deployed position when the module is not fully inserted into the chassis
Data Source
AI summary
An apparatus comprising a module, a hook assembly coupled to the module and configured to be rotated from a deployed position to a storage position when the module is fully inserted into a chassis and a spring coupled between the module and the hook assembly, wherein the spring is configured to extend the hook assembly from the storage position to the deployed position when the module is not fully inserted into the chassis.