Optical Module Ejection Mechanism for Crowded Grids
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Solution Overview
Problem
The existing extraction mechanisms for devices like optical modules from cages are inefficient due to interference between release and kickback mechanisms, especially in crowded configurations, making it difficult to confirm disconnection and adjust pushing force appropriately.
Innovation Solution
An extraction mechanism with a release part, ejection part, and release lever that allows for one-action ejection of the device by sliding a slider to compress an energization member, which then ejects the device out of the cage, preventing interference and ensuring appropriate force application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a kickback mechanism is provided in the cage to push the device out, then the device extraction is aided, but the manipulation of the release mechanism interferes with the kickback mechanism operation and makes the push insufficient
Solution Approach 1:
The invention divides the extraction function into two independent parts: a release mechanism for disengaging the lock and an ejection mechanism for pushing the device out. The ejection mechanism is integrated into the device itself rather than the cage, separating the functions to eliminate interference between release and kickback operations.
Solution Approach 2:
An elastic member (spring) is introduced as an intermediary energy storage element. The release mechanism releases the locked state, allowing the elastic member to convert stored potential energy into kinetic energy that ejects the device. This mediator ensures reliable ejection force independent of manual manipulation timing.
2Productivity
If the kickback mechanism operates when the lock is released by manipulating the release mechanism, then the device can be pushed out, but it becomes difficult to determine whether disconnection is done
Solution Approach 1:
The invention uses auditory feedback (collision sound) instead of visual color changes. When the ejection mechanism pushes the device out of the cage, a distinct collision sound is generated, providing clear auditory confirmation that extraction is complete. This solves the detection problem in crowded environments where visual confirmation is difficult.
Solution Approach 2:
The collision sound generated during ejection serves as immediate feedback to the operator that the device has been successfully extracted. This feedback mechanism eliminates uncertainty about disconnection status without requiring additional manipulation or visual inspection in narrow working spaces.
3Productivity
If plural devices are crowded in grid shape, then the connection density is increased, but the working spaces are narrow and hard to see making disconnection confirmation difficult
Solution Approach 1:
The ejection mechanism is integrated into the device itself, allowing each device to perform its own extraction without requiring external assistance or wide working space. The device uses its own elastic member to eject itself from the cage, making the operation self-contained and space-independent.
Solution Approach 2:
The collision sound provides automatic feedback that confirms successful extraction, eliminating the need for visual confirmation. This auditory feedback works equally well in crowded grid configurations where visual inspection would be difficult or impossible.
4Reliability
If the release mechanism and ejection mechanism are separate, then the functions are independent, but the component count and device complexity increase
Solution Approach 1:
The invention merges the ejection mechanism into the device structure while keeping it functionally independent from the cage's release mechanism. The elastic member and ejection lever are integrated components that work together as a unified ejection system within the device, reducing overall complexity compared to having completely separate systems.
Solution Approach 2:
The release lever serves dual functions: it operates the release mechanism to disengage the lock and simultaneously triggers the ejection mechanism. This multi-functionality reduces the number of separate components needed while maintaining functional independence between release and ejection operations.
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 mechanism clearly indicates device extraction with one action, enhances operational efficiency, and allows for appropriate force adjustment based on device weight, reducing component count and preventing misoperation through auditory confirmation of ejection.
Implementation Method 1
an energization member located between the slider and the ejector, and configured to energize the slider to the extraction direction and to energize the ejector to the insertion direction
Data Source
AI summary
An extraction mechanism A has: a release part, e.g., a slider 6, configured to release an engagement between a cage 2 and a device, e.g., an optical module 1, inserted into the cage 2 and engaged and latched to the cage 2; an ejection part, e.g., an ejector 5, etc., configured to eject the device out of the cage 2; and a release lever 7 configured to activate the release part and the ejection part. The extraction mechanism is provided to the device. This enables to clearly inform an operator of the extraction operation.