Building Closure Element Weatherboard Attachment Mechanism
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Solution Overview
Problem
Existing building closure elements, such as windows and doors, face challenges in reliably and aesthetically attaching weatherboards due to the protrusion of the cuff cap web, which interferes with the attachment process and requires complex post-processing.
Innovation Solution
The introduction of a retaining profile and a cover profile system, where the retaining profile is fastened to the required wing spar and the cover profile overlaps it, allowing for a latching mechanism that securely holds the cuff cap web in place without deformation, enabling easy and visually flawless attachment of weatherboards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cuff cap web protrudes over the required leaf spar to protect the forend and provide a visually appealing exterior, then the sealing and protective function is improved, but the attachment of weatherboards becomes difficult and requires complex post-processing
Solution Approach 1:
The attachment element is divided into three distinct functional parts: a retaining profile for mechanical attachment, a cover profile for aesthetic coverage, and an integration zone that interfaces with the cuff cap web. This segmentation allows each component to perform its specific function without interfering with others, enabling weatherboard attachment while maintaining the cuff cap's protective protrusion.
Solution Approach 2:
The attachment element is designed with a nested structure where the cover profile overlaps and covers the retaining profile and cuff cap web. The retaining profile is fastened to the required leaf spar, the cover profile is fastened to the retaining profile, and both are positioned relative to the cuff cap web, creating a nested arrangement that integrates all components harmoniously.
2Object-affected harmful factors
If the cuff cap web extends beyond the required leaf spar to protect against penetrating moisture, then the protective function is improved, but the attachment element cannot be attached with a visually flawless result
Solution Approach 1:
The cover profile acts as an intermediary element that mediates between the cuff cap web and the weatherboard attachment. It covers the interface zone where the retaining profile meets the cuff cap web, hiding any potential visual imperfections while maintaining the protective function of the protruding cuff cap web.
Solution Approach 2:
The attachment element exhibits local quality differentiation: the retaining profile provides structural attachment function, the cover profile provides aesthetic coverage function, and their integration with the cuff cap web addresses the local area where visual quality and protective function intersect, allowing each zone to optimize its specific purpose.
3Reliability
If the retaining profile and cover profile are arranged to overlap and latch together, then the attachment reliability is improved, but the device complexity increases
Solution Approach 1:
The retaining profile and cover profile are merged into a single integrated attachment element that is fastened to the required leaf spar. This combining of functions into one component reduces the number of separate parts while maintaining the latching mechanism's reliability through the overlapping and engaging geometry of the two profiles.
Data Source
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AI summary
The invention relates to a building closure element (1) with a functional leaf (2) and a service leaf (3), wherein the service leaf (3) has a mullion (4) provided with a cap (5) on its end face and a cap web (6) of the cap (5) projects in the direction away from the service leaf (3) over a service leaf frame (7) of the service leaf (3), and wherein a service leaf attachment element (14) is arranged on the service leaf (3). It is provided that the sash attachment element (14) has a retaining profile (15) attached to the sash mullion (7) next to the end cap web (6) and a cover profile (16) overlapping the retaining profile (15) and the end cap web (6), wherein the retaining profile (15) snaps into place at least one retaining web (33, 34) of the cover profile (16) and is designed such that the retaining web (33, 34) rests against the end cap web (6).