QSFP Connector Locking Mechanism for Dense Shielded Enclosures
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Solution Overview
Problem
The complexity and difficulty of attaching or detaching QSFP connectors from shielding cases increase as connectors become smaller and more densely packed, making the existing locking and unlocking mechanisms cumbersome.
Innovation Solution
A connector design featuring a case with guiding grooves, a spring member, and an unlocking member with guiding arms and a latching plate, allowing for efficient locking and unlocking by compressing a spring and sliding along grooves, facilitated by a pulling mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a locking mechanism is added to ensure connection safety, then reliability is improved, but device complexity increases
Solution Approach 1:
The locking and unlocking functions are merged into a single integrated mechanism. The unlocking member combines a vertical portion for compression, guiding arms for movement, a latching plate for engagement, and a pulling portion for operation, all in one component that works with the spring member to provide both locking and unlocking capabilities without requiring separate mechanisms
Solution Approach 2:
The spring member provides automatic resetting after unlocking. When the pulling portion is released, the spring member automatically pushes the unlocking member back to its initial position, re-engaging the locking mechanism without requiring additional manual intervention or complex control systems
2Reliability
If a locking mechanism is added to ensure connection safety, then reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The essential locking function is extracted and simplified to a single engagement action. The pulling portion can be pulled in one direction to trigger the entire unlocking sequence, removing the need for complex multi-step operations while maintaining secure locking through the spring-loaded latching mechanism
Solution Approach 2:
Instead of requiring active engagement to lock and active disengagement to unlock, the mechanism uses passive spring force to maintain locking and requires only a brief pulling action to overcome the spring force and trigger unlocking, inverting the traditional active-active operation model
3Productivity
If connector size is reduced for high density, then productivity is improved, but device complexity increases
Solution Approach 1:
The locking mechanism components are nested within the compact connector housing. The spring member is mounted on the mounting surface, the unlocking member is positioned within the case, and all components are integrated into the small form-factor structure, allowing complex functionality to be packed into minimal space through nested arrangement
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
Enables quick and convenient locking and unlocking operations, ensuring secure connection and easy disconnection without complex mechanisms.
Implementation Method 1
the spring member is compressed, the guiding arm is moved backward along the guiding groove, the latching plate slides backward along the latching groove, and the bending end is moved backward along the protrusion
Data Source
AI summary
A connector with a locking and unlocking mechanism is disclosed. The connector includes a case, a spring member and an unlocking member. The case includes a guiding groove, a narrow groove, a protrusion, a vertical stop wall and a latching groove. The spring member and the unlocking member are mounted the case. The unlocking member includes a guiding arm, a latching plate and a bending end. A vertical portion of the unlocking member is inserted between the spring member and the case. The guiding arm extends into the corresponding guiding groove. The latching plate enters into the latching groove. The bending end enters into the narrow groove and covers the protrusion. When a pulling portion is pulled back, the vertical portion compresses the spring member, the latching plate slides back along the latching groove, and the bending end moves back along the protrusion.