Server Expansion Card Cabinet With Slide-In Automatic Latching
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Solution Overview
Problem
Inserting an expansion card into a server often requires opening the cabinet for fixation, which is inconvenient and affects assembly efficiency.
Innovation Solution
A cabinet design with a positioning module that allows the expansion card to be slidably inserted and automatically locked within a cavity, featuring a latching mechanism that secures the card in place and facilitates easy removal for maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cabinet is opened to fix and lock the expansion card, then the expansion card can be securely fixed, but the assembly efficiency is reduced and operation becomes inconvenient
Solution Approach 1:
The positioning module is pre-configured with positioning pieces that automatically engage with the expansion card during insertion. The elastic piece is pre-loaded to provide automatic locking force, eliminating the need for manual opening and fixing operations during assembly
Solution Approach 2:
The positioning module performs self-locking through the automatic engagement of positioning pieces with the expansion card. The elastic piece automatically generates locking force when the card is inserted, making the fixation process self-service without requiring manual intervention or cabinet opening
2Ease of operation
If the cabinet is opened for card installation, then the card can be accessed, but the operation convenience is reduced
Solution Approach 1:
The positioning module is extracted as a separate, independent mechanism from the cabinet door system. This allows the locking function to be achieved through simple card insertion without requiring cabinet opening operations, simplifying the user interaction while maintaining secure fixation
3Stability of the object's composition
If a positioning module with latching mechanism is added, then the seismic performance is improved, but the device complexity increases
Solution Approach 1:
The positioning module is segmented into distinct functional components: positioning pieces for mechanical engagement, an elastic piece for providing locking force, and a latching mechanism for securing the card. This segmentation allows each component to perform its specific function efficiently while maintaining overall structural simplicity
Solution Approach 2:
The positioning module serves multiple functions simultaneously: it provides seismic resistance through rigid positioning pieces, maintains constant locking force through the elastic piece, and enables easy release through the latching mechanism. This multi-functionality achieves enhanced seismic performance without proportionally increasing structural complexity
Data Source
AI summary
A cabinet for mounting expansion card comprises a base and a positioning module. The base defines a cavity. The expansion card is slidable into the cavity in a first direction. The positioning module comprises a positioning piece. The positioning piece is movably connected to the base in a second direction, and the second direction is substantially perpendicular to the first direction. The positioning piece comprises a latching part placed in the cavity. The expansion card defines a slot. The latching part comprises a bevel. When the expansion card slides into the cavity, the expansion card pushes the bevel to lift the latching part, and the latching part inserts into the slot to latch the expansion card when the slot is aligned with the latching part; when the latching part is pulled out from the slot, the latching part unlatches the expansion card. A server with the cabinet is also disclosed.