Hinged Cage Vent Guard for Easy Maintenance Access
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Solution Overview
Problem
Conventional vent guards often require removal of the cage structure to access the vent for maintenance, which can be cumbersome and inefficient, and do not provide easy access while maintaining animal exclusion and rain protection.
Innovation Solution
A vent guard design featuring a stationary frame and a hinged cage that can slide and rotate relative to the frame, allowing for easy access by lifting and rotating the cage, while maintaining a closed position to exclude animals and protect from rain.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional vent guard with a fixed cage structure is used, then animal exclusion and rain protection are maintained, but access to the vent for maintenance requires complete removal of the cage which is cumbersome and inefficient
Solution Approach 1:
The cage is designed with a hinged connection to the stationary frame, transforming it from a fixed static structure to a dynamic one that can pivot between closed and open positions. This allows the cage to rotate about the hinge axis, enabling easy access to the vent without complete removal while maintaining protection when closed
Solution Approach 2:
The cage structure is divided into separable components: the cage body, the stationary frame, and the hinged connection elements. The engagement structure with protrusions and slots allows the cage to be disassembled from the frame, providing flexibility for both maintenance access and reinstallation
2Productivity
If the cage is designed to be easily removable for maintenance, then access to the vent is improved, but the structural integrity and reliability of the vent guard may be compromised
Solution Approach 1:
The hinge and engagement structures are pre-installed on the stationary frame, allowing the cage to be quickly attached or detached without requiring complex assembly procedures. The protrusions and slots are pre-positioned to guide proper alignment during installation
Solution Approach 2:
The engagement structure with protrusions fitting into slots allows the cage to self-align and secure to the frame without additional fasteners or tools. The design enables single-person installation and removal while maintaining reliable connection during normal operation
Data Source
AI summary
A vent guard can include a stationary frame and a cage hinged to the stationary frame at a hinged portion. The cage can be configured to engage to the stationary frame at an engagement structure of the cage to support the cage in a closed position to enclose a vent within the cage. The engagement structure can be configured to be slid relative to the stationary frame.