Facade Profile Element with Extended Groove for Precise Connection
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Solution Overview
Problem
Existing facade cladding systems face inaccuracies in connection during installation and risk of water collection at connection areas, leading to reduced service life and visible fasteners.
Innovation Solution
The profile element design features a groove area longer than the tongue area, with a recess system that ensures exact connection and covers fastening means, using folded metallic material for stability and drainage, allowing for horizontal or vertical installation without visible fasteners.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the groove area is made longer than the tongue area to ensure exact connection, then the connection precision is improved, but the device complexity increases
Solution Approach 1:
The profile element is divided into distinct functional areas: a groove area with length b, a tongue area with length a, and a base area. The groove area is specifically designed to be longer than the tongue area (b > a) to provide an extended insertion path that ensures exact connection while maintaining modular simplicity in the overall design
Solution Approach 2:
The profile element incorporates a vertical dimension through the spring area that protrudes from the base plane by distance x. This three-dimensional configuration allows the tongue to be inserted into the groove while providing mechanical engagement and coverage of fastening means, resolving the precision-complexity contradiction through spatial design
2Reliability
If the fastening means are covered by the groove area to protect from weather, then the reliability is improved, but the ease of operation deteriorates
Solution Approach 1:
The groove area is pre-configured with a length greater than the tongue area, creating a predetermined coverage zone that automatically protects the fastening means once the profile elements are connected. This preliminary design ensures protection without requiring additional installation steps
Solution Approach 2:
The overlapping configuration of the groove area over the tongue area creates a self-covering mechanism where the profile elements themselves provide protection for the fastening means. The design is self-service in that no additional protective components or installation actions are needed beyond the basic connection process
3Strength
If the profile element is designed with folded metallic material for stability, then the strength is improved, but the manufacturing precision requirement increases
Solution Approach 1:
The profile element utilizes folded metallic material to create a composite structure that combines the base metallic material with folded sections. This folding creates reinforced areas with improved stability and strength while the fold lines serve as natural alignment features that guide the folding process and reduce manufacturing precision requirements
Data Source
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AI summary
The strip element (1) has at least one indentation (5) in a first recess (4) bounding the spring region (3), to take a fixing device (6) to fix the strip element to a structure under it or to the surface of a building. The length of the groove region (2) is greater than that of the spring region, so that the spring region and part of the recess can be covered by the groove region when two or more strip elements are connected.