Hinged Cover Frame with Arc Spring for Tool-Free Filter Replacement
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Solution Overview
Problem
Existing filter frames require tools for disassembly during replacement, leading to time-consuming and labor-intensive processes, and are prone to damage. Additionally, traditional filters are often disposable, resulting in high transportation costs, resource wastage, and costly recycling.
Innovation Solution
A frame with a hinged cover is designed, featuring a rectangular main frame with a hinged cover assembly that includes a hinged cover main body, a hinged cover edge, and an arc-shaped spring piece. This assembly allows for easy opening and closing of the frame without tools, providing resistance and tension to ensure a tight seal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If filter frames are fixed with screws, then the frame structure is stable and secure, but the replacement process becomes time-consuming and labor-intensive requiring tools
Solution Approach 1:
The frame is divided into a main frame and a detachable cover assembly that can be separated without tools. The cover assembly includes a cover body and cover edge that can be detached from the main frame, allowing filter replacement without requiring screw tools while maintaining structural integrity during operation.
2Reliability
If filter frames are fixed with screws, then the frame remains secure during operation, but damage accumulation occurs during tool-based replacement
Solution Approach 1:
The cover assembly is pre-designed with integrated connection features between the cover body and cover edge that allow for tool-free attachment and detachment. This preliminary design eliminates the need for screw tools during replacement, preventing damage accumulation on the frame while maintaining secure structural integrity during operation.
3Ease of operation
If traditional filters are disposable, then replacement is simple, but transportation volume and resource waste increase significantly
Solution Approach 1:
The filter system is segmented into a reusable frame structure and replaceable filter elements. The main frame and cover assembly remain in the system and are not discarded, while only the filter media itself is replaced. This significantly reduces transportation volume and resource waste compared to disposing of entire filter assemblies, while maintaining simple replacement operations.
4Loss of substance
If traditional filters are replaceable, then resource waste is reduced, but the replacement process becomes cumbersome and difficult to operate
Solution Approach 1:
The cover assembly incorporates dynamic movement capability between the cover body and cover edge, allowing the cover to be easily opened and closed during filter replacement. This dynamic design enables simple one-handed operation for filter element replacement while maintaining secure closure during operation, making the reusable filter system both environmentally friendly and operationally simple.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The hinged cover frame allows for tool-free replacement, reducing labor and damage risks, while the arc-shaped spring piece ensures a secure closure. The frame's design also supports reusable filter materials, minimizing waste and costs associated with disposable filters.
Implementation Method 1
an arc-shaped spring piece, wherein the arc-shaped spring piece is in an arc shape, one end of the arc-shaped spring piece is clamped to the hinged cover main body, the other end of the arc-shaped spring piece is clamped to the hinged cover edge, and an elastic force generated by the arc-shaped spring piece acts on the hinged cover main body and the hinged cover edge
Data Source
AI summary
A frame with a hinged cover is provided, including four frames connected to each other form a rectangular main frame, and at least one edge of the four frames is provided with a hinged cover assembly. The hinged cover assembly includes a hinged cover main body, a hinged cover edge, and an arc-shaped spring piece. The hinged cover edge can be turned around the hinged cover main body; one end of the arc-shaped spring piece is clamped to the hinged cover main body, the other end of the arc-shaped spring piece is clamped to the hinged cover edge. The frame adopts a turn up design, uses an arc-shaped spring piece to play a limit function, and the whole frame can be tightly closed without shaking after being turned up and closed.