Optical Transceiver Housing Latch Guide Slots
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Solution Overview
Problem
Optical transceivers face challenges in electromagnetic interference and reliability due to increased demand for smaller and faster pluggable packages, particularly in pluggable-type packages like SFP and GBIC, which require efficient assembly and disassembly while maintaining performance.
Innovation Solution
The optical transceiver housing structure incorporates a design featuring first and second latch arms with guide slots, a fixing mechanism, and a release mechanism, along with a snap-fit protrusion and cover, allowing for easy assembly and disassembly while reducing electromagnetic interference through a shield attachment and optimizing the guide slots' shape and material selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If pluggable-type package design is used for easy assembly and disassembly, then ease of operation is improved, but reliability deteriorates due to electromagnetic interference and package degradation after multiple plugging and unplugging
Solution Approach 1:
The housing is divided into a main body and a cover that can be separately assembled and disassembled. The latch arms provide segmented locking points that secure the cover to the main body, enabling easy pluggable operation while maintaining structural integrity through multiple segmentation points
Solution Approach 2:
The fixing mechanism combines multiple functions into an integrated system: latch arms provide both mechanical locking and guide slot-based alignment, while the release mechanism integrates with the latch arms to simultaneously control both latches. This merging reduces the number of separate components and potential failure points
2Volume of moving object
If package size is reduced to meet demand for smaller transceivers, then volume is improved, but reliability deteriorates due to increased electromagnetic interference and reduced durability
Solution Approach 1:
The latch arms are positioned nested within the housing structure, with guide slots integrated into the latch arm bodies. The fixing mechanism and release mechanism are nested within the same housing space, maximizing space utilization while maintaining adequate spacing to minimize electromagnetic interference in the compact form factor
Solution Approach 2:
The guide slots in the latch arms utilize the vertical dimension for alignment, allowing the side guide lugs to move vertically within the slots during assembly. This dimensional approach enables compact horizontal spacing while maintaining reliable connection through vertical guidance
Data Source
AI summary
An optical transceiver housing structure comprising a first latch arm, a second latch arm, a fixing mechanism, and a release mechanism is provided. The first and the second latch arms have a first and a second guide slot disposed on bottom ends thereof, respectively. The fixing mechanism is attached to the first latch arm and second latch arm at a top end thereof and the release mechanism is attached to the first latch arm and second latch arm at a bottom end thereof. Two side guide lugs of an optical transceiver are moveable in the first guide slot and the second guide slot, respectfully. When the release mechanism moves toward the optical transceiver, the first and the second latch arms slide along the first and second guide slots to move the fixing mechanism in an opposite direction away from the optical transceiver.