Roller Shutter Profile Bar Connection with Guide Housing
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Solution Overview
Problem
Conventional roller shutter connections limit bar spacing when open, require individual linking, and lack a guiding function during folding, leading to instability and light gaps.
Innovation Solution
A connection system using rod-like connectors with varying diameters and guide housings that allow relative movement and guiding of profile bars, enabling them to stack seamlessly when closed while maintaining mobility and preventing light gaps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional connecting elements (bent steel wire chains, hinged steel wire components) are used to connect profile slats, then the slats can be linked together to form chains, but the slat spacing is limited when open and large cutouts must be made in the slat profile, weakening the rod stability
Solution Approach 1:
The connecting element is divided into two separate components: a connecting component with engagement elements and a guide housing. This segmentation allows the connecting component to be received within the guide housing, eliminating the need for large cutouts in the profile slats while maintaining assembly ease. The engagement elements can engage with corresponding features on adjacent slats without requiring extensive material removal.
Solution Approach 2:
The connecting component is designed to be completely received within the guide housing, creating a nested structure. This nesting allows the connection mechanism to function without protruding from the profile slat ends, maintaining rod stability by minimizing cutouts while preserving the linking functionality needed for easy assembly.
2Ease of operation
If large cutouts are made in the slat profile to allow freedom of movement for conventional connecting elements, then the slats can fold relative to each other, but additional light gaps are created during closing movement
Solution Approach 1:
The guide housing is designed to receive the connecting component within the profile slat structure, extracting the movement mechanism from the exterior. This allows the connecting element to provide folding mobility through guided movement while remaining contained within the slat profile, preventing additional light gaps during closing movement.
Solution Approach 2:
The guide housing acts as an intermediary structure that guides the connecting component during folding movement. This mediator enables the slats to move relative to each other while maintaining a compact, gap-free appearance when closed, as the connecting mechanism is contained within the guide housing rather than protruding outward.
3Adaptability or versatility
If conventional connecting elements are used without guiding function, then the slats have freedom of movement, but targeted guidance during movement is lacking, resulting in improper stacking and light gaps
Solution Approach 1:
The guide housing serves multiple functions: it houses the connecting component, provides guided movement paths, ensures proper alignment during folding, and maintains the compact stacked appearance when closed. This multi-functional design replaces conventional single-function connecting elements, providing both movement freedom and targeted guidance for precise alignment.
Solution Approach 2:
The guide housing is designed to dynamically guide the connecting component through specific movement paths during folding operation. This dynamic guidance ensures that the slats follow the correct trajectory to achieve proper stacking and alignment, transforming the static connecting element into an active guidance system that adapts to the folding motion.
Data Source
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AI summary
Roller shutters with several profile bars arranged essentially parallel to each other and connecting elements connecting adjacent profile bars, which allow a relative movement of the profile bars, in which the distance between the adjacent profile bars changes.