Underlayment Tile Coupling Design for Aligned Channel Installation
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Solution Overview
Problem
Existing underlayment tiles for floor heating systems face issues with proper alignment and secure interconnection, leading to difficulties in installing heat conduits and requiring frequent reassembly, which is inefficient and user-unfriendly.
Innovation Solution
The underlayment tiles feature a male coupling member with a protrusion and a female coupling member with a recess, allowing for relative movement in the longitudinal direction while preventing sideways movement, along with a stopper mechanism to prevent undesired release, ensuring proper alignment and secure interconnection of tiles.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional tongue and groove coupling members are used, then tiles can be interconnected, but channel portions cannot be properly aligned across girders
Solution Approach 1:
The coupling members incorporate a play or clearance that allows dynamic adjustment during installation. The male coupling member can move relative to the female coupling member within a defined range, enabling the channel portions to self-align across girders while maintaining secure connection. This dynamic capability resolves the contradiction by allowing precision alignment without requiring complex rigid positioning mechanisms.
Solution Approach 2:
The invention changes the geometric parameters of the coupling members by introducing asymmetric profiles and controlled clearances. The male coupling member features a protrusion with specific dimensions that engage with a corresponding recess in the female coupling member, creating a controlled range of motion. This parameter modification enables automatic alignment of channel portions while maintaining ease of installation.
2Reliability
If tiles are rigidly fixed together, then alignment is secure, but installation speed decreases due to frequent adjustments
Solution Approach 1:
The coupling system incorporates controlled movement capability through play between male and female coupling members. This dynamic design allows tiles to be quickly connected without requiring precise pre-alignment, while the coupling geometry ensures secure rigid connection once assembled. The system achieves both reliability and productivity by allowing easy assembly followed by secure locking.
Solution Approach 2:
The coupling members are pre-configured with engagement features that guide alignment during installation. The male protrusion and female recess are designed to automatically orient correctly as tiles are brought together, eliminating the need for frequent adjustments and speeding up installation while ensuring reliable connection.
3Ease of operation
If coupling members allow movement, then installation is easier, but tiles may shift sideways causing misalignment
Solution Approach 1:
The coupling member design applies different constraints in different directions. The male and female coupling members feature engagement surfaces that permit longitudinal movement for installation ease, while providing lateral blocking surfaces that prevent sideways shifting. This localized differentiation of movement permissions resolves the contradiction by allowing necessary freedom in one direction while maintaining precision in another.
Solution Approach 2:
The coupling members utilize asymmetric geometry where the protrusion and recess are shaped to allow movement along the longitudinal axis during installation, but the blocking surfaces are oriented to prevent perpendicular sideways movement. This asymmetric design enables easy installation while maintaining alignment precision of channel portions across girders.
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
An underlayment tile (1) for forming an underlayment has a male and female coupling member (41,42). The male and female coupling member block a relative movement of two adjacent tiles in a traverse direction while permitting a relative movement in a longitudinal direction. A stopper (412,422) is provided to limit the relative movement in the longitudinal direction. After placement on a surface area the underlayment is extendable from a compact configuration in which the tiles are in abutting engagement with each other to an extended configuration in which the tiles are spaced from each other. Advantageously, the underlayment can be easily tailored to a size of the surface area without producing waste material. An underlayment mat of pre-assembled underlayment tiles provides a quick installation of the underlayment. The underlayment mat can be packaged on a role.