Facade Fastening Plate with Profile Chamber
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Solution Overview
Problem
Existing fastening systems for facade elements, particularly those mounted in a scale-like arrangement, face challenges with high construction depth, combustibility, and fire safety concerns due to the use of wooden beams, which are expensive and prone to swelling from screw connections.
Innovation Solution
A fastening device with a flat plate that extends vertically and horizontally, featuring a square-profile chamber with angled side walls and notches for secure attachment to a substructure without additional screws, made from lightweight metal alloys like aluminum, ensuring a shallow construction depth and easy assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wooden beams are used for mounting facade elements, then the facade elements can be securely fastened, but the construction depth increases and fire safety is compromised
Solution Approach 1:
The patent changes the material parameter from wood to metal alloy, and the geometric parameter from beam-like to plate-like structure. The plate structure with profile chamber achieves secure fastening through notches while maintaining shallow construction depth of less than 50mm, resolving the contradiction between reliability and construction depth.
Solution Approach 2:
The patent uses metal alloy (aluminum or aluminum alloy) as a composite material that combines lightweight properties with high strength. This material choice enables the plate structure to provide secure fastening comparable to wooden beams while achieving significantly reduced construction depth and improved fire safety.
2Reliability
If wooden beams are used for mounting facade elements, then the facade elements can be fastened, but fire safety is compromised
Solution Approach 1:
The patent replaces combustible wooden beams with non-combustible metal alloy plates. The metal alloy material inherently resists fire, eliminating the fire safety hazard associated with wood while maintaining the structural function of secure fastening for facade elements.
Solution Approach 2:
The use of metal alloy (aluminum or aluminum alloy) as a composite material provides both lightweight properties and fire resistance. This material substitution resolves the contradiction between achieving secure fastening and maintaining fire safety compliance.
3Reliability
If wooden beams are used for mounting facade elements, then the facade elements can be mounted, but the cost increases
Solution Approach 1:
The patent replaces expensive wooden beams with cost-effective metal alloy plates. The plate structure with integrated profile chamber and notches simplifies manufacturing and assembly, reducing both material and labor costs while maintaining secure fastening capability.
Solution Approach 2:
The patent changes the structural form from three-dimensional wooden beams to two-dimensional metal alloy plates. This parameter change reduces material consumption, simplifies manufacturing processes, and lowers overall construction costs while achieving the same fastening function.
4Reliability
If screws are used to fasten facade elements to wooden beams, then the facade elements can be securely attached, but the wooden beams swell due to capillary action
Solution Approach 1:
The patent replaces wooden beams with metal alloy plates that are immune to capillary action and swelling. The notches in the profile chamber provide secure attachment points for screws without causing dimensional instability, as metal does not absorb moisture like wood.
Solution Approach 2:
The use of metal alloy as a composite material eliminates the capillary action problem inherent in wooden beams. The material properties of metal alloy ensure dimensional stability while allowing secure screw attachment through the notches in the profile chamber.
Data Source
Figure 1
Figure 2~5
AI summary
The invention relates to a device (10) for fastening facade elements (40) with a plate (12) which, in the fastened state, extends vertically (z-direction) by a length b and horizontally (y-direction) and can be fastened to a house wall or a substructure (14), wherein the plate (12) has at its lower end a profile chamber (16) that is rectangular in cross-section in the xy-direction and has four side walls a, b1, c and d of different lengths, extending horizontally, wherein the side wall b1 of the profile chamber (16) is part of the plate (12) and the angle α between the sides a and b1 is the only right angle in the rectangular profile chamber (16), the angle β between the side walls b and c is an obtuse angle, the length of the side wall c is shorter than the length of the side wall a and a notch (17) is provided in the side wall b1