Quick-Release Rotating Shaft Structure for Tool-Free Host Casing Maintenance
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Solution Overview
Problem
Conventional host casings require manual tools for maintenance and replacement, which are inconvenient and time-consuming.
Innovation Solution
A host casing with a quick release rotating shaft structure featuring a non-equidistant cross-sectional head and a limiting portion on the upper cover, allowing the rotating shaft to be selectively limited or released for tool-free connection and disconnection of the casing body and upper cover.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional hand tools and manual processes are used for maintenance, then the casing can be opened and devices can be removed, but the process is time-consuming and inconvenient
Solution Approach 1:
The rotating shaft is designed to be rotatable relative to the shaft opening, allowing it to transition between a locked position (where the head engages with the limiting portion) and an unlocked position (where the head can be easily removed). This dynamic mechanism enables quick maintenance operations without manual tools.
Solution Approach 2:
The rotating shaft structure allows the upper cover to be quickly attached to or separated from the casing body by simply rotating the shaft, enabling the device to serve itself during maintenance operations without requiring external manual intervention or tools.
2Reliability
If the rotating shaft is locked by the limiting portion, then a pivotal connection is maintained between casing body and upper cover, but the structure becomes more complex
Solution Approach 1:
The head of the rotating shaft has a non-equidistant cross-section with a largest distance and a smallest distance from the axial center. The limiting portion is positioned at a distance between these extremes, creating an asymmetric engagement that provides reliable locking in one rotational position while allowing easy removal in another.
Solution Approach 2:
The connection mechanism is divided into distinct functional elements: the rotating shaft with its head, the shaft opening, and the limiting portion. This segmentation allows each component to perform its specific function independently while working together to achieve reliable yet simple connection.
Data Source
AI summary
A host casing having a quick release rotating shaft structure includes a casing body, an upper cover, and a rotating shaft. The casing body has an opening, which has a first shaft opening on one side thereof, and the upper cover has a second shaft opening on a position corresponding to the one side. The rotating shaft has a head, and an insert portion connected to the head and inserted into the first and second shaft openings so as to connect the casing body and the upper cover. A periphery of a cross section of the head is non-equidistant to an axial center, and has a largest distance and a smallest distance. The upper cover has a limiting portion on a position corresponding to the head. A distance from the limiting portion to the axial center of the rotating shaft is between the largest and smallest distances.