Server Tray Handle Mechanism for Tool-Free Assembly
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Solution Overview
Problem
Current server tray assembly and disassembly processes are cumbersome and labor-intensive, requiring complex procedures and tools, which hinder efficient use of chassis space and increase assembly time.
Innovation Solution
A tray design featuring a handle and sliding pieces that pivotally connect to the chassis guide posts, allowing for easy assembly and disassembly by rotating the handle, which moves the tray along specific grooves and axes, facilitating detachment and reattachment without screws.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional screw-based tray assembly is used, then secure attachment is achieved, but assembly complexity and time increase
Solution Approach 1:
The tray assembly system is segmented into modular components: tray body, handle, sliding piece, and guide posts. This segmentation allows the tray to be assembled by simply engaging the sliding piece with guide posts through the handle operation, eliminating the need for screws and complex fastening mechanisms.
Solution Approach 2:
The tray employs a dynamic sliding mechanism where the sliding piece moves along grooves on the tray body when the handle is rotated. This dynamic motion enables the tray to transition between assembled and disassembled states smoothly, replacing static screw-based attachment with a movable, tool-free connection system.
2Productivity
If traditional tray design is used, then structural stability is maintained, but assembly and disassembly time increase
Solution Approach 1:
The sliding piece is pre-configured with grooves that align with the guide posts, and the handle is pre-positioned to initiate the sliding motion. This preliminary arrangement ensures that when assembly begins, the components are already oriented for quick engagement, eliminating the need for alignment adjustments and reducing assembly time.
Solution Approach 2:
The tray assembly system is designed to be self-assembling through the handle rotation mechanism. When the handle is rotated, it automatically drives the sliding piece along the grooves to engage with the guide posts, creating a secure connection without requiring external tools or manual fastening operations.
3Ease of operation
If simplified tray connection is used, then assembly time is reduced, but attachment security may compromise
Solution Approach 1:
The sliding piece is nested within the tray body structure, with grooves cut into its surfaces. The guide posts are nested within these grooves, creating a hierarchical nesting relationship. This nesting ensures that the connection is both simple to engage and secure, as the guide posts are firmly held within the grooved structure of the sliding piece.
Solution Approach 2:
The sliding piece acts as an intermediary component between the tray body and the guide posts. It translates the rotational motion of the handle into linear movement that engages the guide posts securely. This intermediary mechanism ensures reliable attachment while maintaining ease of operation, as the sliding piece mediates the connection without requiring direct fastening between the tray body and guide posts.
Data Source
AI summary
A tray is detachably assembled to a chassis. The chassis includes a first chassis guide post. The tray includes a tray body, a handle and a first sliding piece. The tray body includes a side wall and a through slot disposed on the side wall. The handle is pivotally connected to the side wall and includes a handle guide post. The first sliding piece includes a first groove and a second groove. The handle guide post is disposed in the through slot and the first groove. The first chassis guide post is detachably disposed in the second groove.