Rear Pluggable HDD Floating Connector Alignment
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Solution Overview
Problem
Information handling systems face challenges in efficiently aligning and securing hard disk drives within their bays, particularly due to variations in hardware and software components, which can lead to misalignment and instability during data processing and storage.
Innovation Solution
A rear pluggable hard disk drive with a floating connecting mechanism, featuring a guide pin and screws with a smaller diameter post than the hole, allowing for alignment and secure mounting while enabling movement to ensure proper alignment with the mid-plane module, thus facilitating stable data communication and processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a fixed rigid connection mechanism is used to mount hard disk drives, then structural stability is improved, but alignment precision with the mid-plane module deteriorates due to hardware variations
Solution Approach 1:
The connection mechanism transitions from a fixed rigid structure to a dynamic floating structure. The guide pin allows the connection mechanism to float and self-adjust its position, enabling automatic alignment compensation while maintaining structural stability during operation.
Solution Approach 2:
The guide pin acts as an intermediary element between the connection mechanism and the mid-plane module. It provides a reference alignment feature that guides the connection mechanism into proper position while allowing for positional adjustments due to hardware variations.
2Manufacturing precision
If a loose connection mechanism is used to allow alignment adjustments, then alignment precision is improved, but structural stability deteriorates
Solution Approach 1:
The connection mechanism employs a dynamic floating design that allows movement during alignment but maintains stability during operation. The guide pin constrains the movement to the correct alignment path while the floating connection absorbs positional variations.
3Ease of manufacture
If a fixed connection mechanism is used, then ease of manufacture is improved, but adaptability to hardware variations deteriorates
Solution Approach 1:
The floating connection mechanism with guide pin provides a simple yet effective solution that adapts to hardware variations. The design requires minimal manufacturing complexity while inherently compensating for dimensional variations through its floating alignment capability.
4Device complexity
If a rigid mounting system is used, then device complexity is reduced, but alignment adjustment capability deteriorates
Solution Approach 1:
The floating connection mechanism with guide pin provides alignment adjustment capability without adding significant complexity. The guide pin defines the alignment path while the floating connection naturally accommodates positional variations, eliminating the need for complex adjustment mechanisms.
Data Source
AI summary
A hard disk drive carrier assembly includes a back panel, and a connection mechanism in physical communication with the back panel of the hard disk drive carrier assembly along a first surface of the connection mechanism. The connection mechanism includes guide pin extending away from a second surface of the connection mechanism. The guide pin to align the hard disk drive carrier assembly with a mid-plane module of an information handling system when the hard disk drive carrier assembly is inserted into a bay of the information handling system. A screw is in physical communication with the connection module to mount the connection mechanism onto the back panel. The screw includes a post, and is inserted through a hole in the connection mechanism and is connected to the back panel. A first diameter of the post is smaller than a second diameter of the hole.