Frame with rotary joints
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Solution Overview
Problem
Existing insect protection devices require significant user effort for assembly, as they necessitate connecting frame struts at right angles using corner connectors, which can be cumbersome, especially for large frames.
Innovation Solution
The device features a frame with pre-assembled frame struts connected via rotary joints, allowing them to be initially arranged parallel and easily pivoted into the assembly position, reducing assembly complexity and effort, with options for fixed or adjustable strut lengths and stability elements for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If frame struts are firmly connected to form a rigid frame, then structural stability is improved, but assembly complexity increases for large frames
Solution Approach 1:
The patent applies dynamics by replacing static rigid connections with dynamic rotary joints that allow the frame to transition between compact and assembled states. The rotary joints enable controlled movement during assembly while maintaining structural integrity once assembled, resolving the contradiction between stability and assembly complexity.
Solution Approach 2:
The frame is segmented into multiple struts connected by rotary joints, allowing the large frame to be assembled in a step-by-step folding motion. This segmentation enables the frame to be constructed piece by piece rather than requiring all components to be connected simultaneously, reducing assembly complexity while maintaining final stability.
2Productivity
If frame struts are pre-assembled in a kit, then manufacturing efficiency is improved, but user assembly effort increases
Solution Approach 1:
The frame struts are pre-assembled with rotary joints attached during manufacturing, preparing the components for easy user assembly. This preliminary action allows the struts to be delivered in a semi-assembled state that requires minimal user effort to complete, balancing manufacturing efficiency with user-friendly assembly.
Solution Approach 2:
The rotary joints enable the frame to be assembled through simple folding motions rather than requiring complex connection operations. This dynamic mechanism transforms the assembly process from a labor-intensive task into an easy-to-perform folding operation, significantly reducing user assembly effort while maintaining manufacturing efficiency.
3Strength
If frame struts are connected via corner connectors, then structural integrity is improved, but assembly time increases
Solution Approach 1:
The rotary joint design merges the connection function with the structural element itself, integrating the joint mechanism directly into the frame strut endpoints. This merging eliminates the need for separate corner connectors and reduces the number of assembly steps, decreasing assembly time while maintaining structural integrity through the integrated rotary joint design.
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
This design enables a user-friendly, efficient assembly process by providing a compact, pre-assembled frame that can be easily unfolded into the assembly position, reducing user effort and ensuring stability with adjustable height and width options.
Implementation Method 1
the connections between a first frame strut and a second frame strut each having at least one axis of rotation having a rotary joint, the rotary joints being designed in such a way that in a starting position both the first two frame struts and the two second frame struts (all) are aligned parallel to one another and the frame can be transferred into the assembly position by pivoting the frame struts relative to one another about the axes of rotation of the rotary joints
Data Source
Figure 1
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AI summary
The present invention relates to a frame comprising at least two first frame members (1.1, 1.2) and at least two second frame members (2.1, 2.2), wherein: • the two first frame members (1.1, 1.2) and/or the two second frame members (2.1, 2.2) are fixed in length, • the first frame members (1.1, 1.2) are each connected at their ends to a second frame member (2.1, 2.2) and the second frame members (2.1, 2.2) are each connected at their ends to a first frame member (1.1, 1.2), and • the first frame members (1.1, 1.2) and the second frame members (2.1, 2.2) are arranged in a mounting position in a frame plane at a right angle to each other.