Removable Guide Flange for Roller Shutter Winding Mechanism
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Solution Overview
Problem
Existing mounting devices for roller shutter winding mechanisms require direct intervention within the trunk to adjust the spacing between the guide flange and the end plate, making installation challenging in non-standard dimensions.
Innovation Solution
A mounting device with a removable drawer that embeds adjustment means, allowing the spacing between the guide flange and the cheek to be adjusted externally, featuring a self-supporting assembly with a guide flange, intermediate plate, and spacer means for translation guidance, enabling the positioning of the guide flange relative to the cheek without direct trunk intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the winding mechanism is fixed directly to the cheeks closing the trunk, then the structure is simple, but the installation becomes difficult in non-standard dimensions
Solution Approach 1:
The mounting device is divided into separate components: a guide flange assembly that can be adjusted independently from the trunk end plate. The guide flange includes adjustable elements that can be positioned at different locations, allowing the structure to adapt to various trunk dimensions while maintaining installation simplicity
Solution Approach 2:
The mounting device incorporates adjustable elements that can be repositioned along the guide flange to accommodate different spacing requirements. This dynamic adjustment capability allows the same device to be installed in trunks with non-standard dimensions without requiring complex custom fabrication
2Adaptability or versatility
If adjustable spacing between guide flange and end plate is implemented, then adaptability to non-standard dimensions is improved, but direct intervention within the trunk is required
Solution Approach 1:
The adjustment mechanism is extracted from the interior of the trunk and integrated into the guide flange assembly itself. The adjustable elements are positioned on the guide flange, which can be accessed from the exterior of the trunk, eliminating the need to reach inside the trunk for adjustments
Solution Approach 2:
The guide flange serves as an intermediary component between the trunk end plate and the winding mechanism. It provides an external adjustment interface that mediates the spacing requirement, allowing adjustments to be made from outside the trunk while still achieving the required internal spacing configuration
3Ease of repair
If the guide flange is made removable for maintenance, then accessibility for maintenance is improved, but the structural integrity may be compromised
Solution Approach 1:
The mounting device is segmented into a removable guide flange assembly and a fixed trunk end plate. The guide flange can be detached for maintenance while the end plate remains securely fixed to the trunk, maintaining the structural integrity of the trunk closure while providing maintenance access
Solution Approach 2:
The guide flange is designed with pre-configured attachment and detachment mechanisms that allow for easy removal and reinstallation. The preliminary design of these connection mechanisms ensures that maintenance personnel can access the winding mechanism without requiring complex disassembly procedures, while the reinstallation restores the original structural integrity
Data Source
Figure 1~1a
Figure 2
Figure 3~4
AI summary
The device (1) has a guidance flange (2) for guiding winding or unwinding of a shielding and/or darkening unit, and a support (3) subjugated at an end of a cabinet. Adjustment units (5) adjust spacing between the flange and the support, and a detachable slide (4) positions a winding mechanism and embarks the adjustment units. The detachable slide is constituted by the guidance flange, an intermediate plate (6) cooperating with the support in a sliding manner, and bracing units (51) connecting the flange and the intermediate plate.