Floor Installation Cassette With Telescopic Leveling
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Solution Overview
Problem
Existing floor installation cassettes for electrical devices lack flexibility in accommodating various floor types and require complex installation processes, especially after screed application, due to protruding components and lack of adjustability.
Innovation Solution
A floor installation cassette design featuring smooth, aligned outer walls with integrated leveling devices that allow for telescopic adjustment, enabling easy embedding in screed and subsequent leveling, along with a stable and aesthetically pleasing structure suitable for diverse floor types, including screed, dry screed, and wooden floors, with provisions for cable and pipe routing and a pivotable cassette cover.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the outer walls of the upper and lower parts have protruding components or offsets, then the cassette can be anchored in the screed, but the cassette cannot be leveled after screed application and the installation process becomes complex
Solution Approach 1:
The outer walls are designed with differentiated local properties: the main surface is smooth for embedding and leveling, while specific localized features (perforations, recesses) provide anchoring function. This allows the cassette to be both anchored reliably and leveled easily after screed application.
Solution Approach 2:
The cassette design allows for post-installation adjustment of the upper part relative to the lower part, enabling leveling operations even after the screed has hardened. The telescopic arrangement permits vertical movement to accommodate height variations.
2Ease of operation
If the outer walls are smooth and aligned, then the cassette can be leveled after screed application, but the anchoring force in the screed is reduced
Solution Approach 1:
The outer walls are designed with differentiated local properties: the main surface is smooth for embedding and leveling, while specific localized features (perforations, recesses) provide anchoring function. This allows the cassette to be both anchored reliably and leveled easily after screed application.
3Manufacturing precision
If complex leveling devices are used to achieve precise leveling, then the cassette can be leveled accurately, but the device complexity and installation difficulty increase
Solution Approach 1:
The leveling function is segmented into simple, distributed elements (perforations in the lower part, corresponding recesses in the upper part) rather than a single complex mechanism. This allows precise leveling through simple relative movement while keeping the device structure simple.
4Adaptability or versatility
If the cassette design accommodates multiple floor types, then the versatility is improved, but the installation process becomes more complex
Solution Approach 1:
The cassette is designed as a universal solution that can be installed in various floor types (screed, dry screed, wooden floors) using the same basic procedure. The smooth outer walls and standardized telescopic arrangement work across different floor constructions without requiring floor-specific adaptations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates flexible installation on multiple floor types, allows for post-screed leveling, and simplifies the installation process by embedding smooth outer walls in the screed, ensuring secure anchoring and easy access for cable routing, while maintaining a clean appearance.
Implementation Method 1
The upper part rests on threaded bolts that are rotatably attached to the lower part. This allows the upper part to be leveled in relation to the lower part.
Implementation Method 2
Since the outer walls of the upper and lower parts are smooth and essentially aligned with each other, the floor installation cassette can still be leveled even after the floor screed has been poured in, since the smooth outer walls are embedded in the screed
Data Source
Figure 1
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Figure 3~4
AI summary
A built-in under-floor box (10) for electrical installations comprises over (14) and under (12) parts with levelers (16) that can be pushed together with smooth sidewalls aligned to one another or with small fixers in the region of the outer wall strengthening.