Height-Adjustable Floor Drain Assembly for Flush Wet Room Flooring
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Solution Overview
Problem
Existing floor drains lack the ability to adjust height, making it difficult to achieve a flush finish with flexible waterproof flooring, which is essential for accessibility and aesthetic purposes in wet rooms, particularly for wheelchair access.
Innovation Solution
A height-adjustable assembly for floor drains featuring a lower portion with a clamping element for securing a waterproof membrane, an upper portion for attachment at floor level, and an adjustment portion with interlocking elements that allow rotation to vary the height of the upper and lower portions, ensuring a watertight seal and flush finish.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed-height drain waste is used, then the structure is simple and easy to manufacture, but it cannot accommodate different flooring levels or achieve a flush finish with flexible waterproof floor coverings
Solution Approach 1:
The drain waste is divided into multiple segments: a lower portion, an adjustment portion, and an upper portion. This segmentation allows each part to perform its specific function while enabling overall height adjustability. The adjustment portion can be independently positioned to accommodate different flooring levels, resolving the contradiction between adaptability and structural simplicity.
Solution Approach 2:
The drain waste incorporates a dynamic adjustment mechanism with rotation elements and locking elements that allow the upper portion to be rotated and locked at different heights. This dynamic capability enables the drain to adapt to various flooring conditions while maintaining a relatively simple base structure, thus resolving the contradiction between versatility and complexity.
2Adaptability or versatility
If multiple parallel ranges of wastes are offered to suit different situations, then adaptability to different flooring levels is achieved, but the range of products increases and selection becomes more complex
Solution Approach 1:
The adjustable drain waste serves multiple functions: it can accommodate different flooring levels, achieve flush finishes with various floor coverings, and work with different drain configurations. This single multi-functional product replaces what would otherwise require multiple specialized waste types, reducing product range complexity while maintaining broad adaptability.
Solution Approach 2:
The dynamic height adjustment capability allows a single waste design to adapt to various situations that would previously require different fixed-height waste types. The rotation and locking mechanism enables one product to perform the roles of multiple products, simplifying the overall product range while maintaining versatility.
3Ease of operation
If the upper portion of the drain is fixed at a specific height, then manufacturing is simpler, but it is difficult to achieve a comfortable and safe walking surface or wheelchair access
Solution Approach 1:
The dynamic adjustment mechanism with rotation elements and locking elements allows the upper portion to be positioned at different heights to accommodate wheelchair access requirements and create safe walking surfaces. This adjustability directly addresses accessibility needs while the locking mechanism ensures the position remains stable during use, balancing operational ease with structural complexity.
4Ease of manufacture
If a flexible waterproof floor covering material is used, then ease of installation is improved, but specific waste selections are required to permit engagement of the floor covering material with the waste
Solution Approach 1:
The segmented structure with distinct lower, adjustment, and upper portions allows the upper portion to be positioned at the optimal height for engaging flexible waterproof floor covering materials. This segmentation enables the drain to work effectively with flexible coverings by providing the necessary height adjustment capability, thus improving both installation ease and material compatibility.
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
The adjustable assembly allows for precise height adjustment of the drain to match different flooring levels, ensuring a comfortable, safe, and visually appealing surface while maintaining a watertight seal, accommodating various flooring materials and enhancing accessibility.
Implementation Method 1
The first adjustment element can include a helical thread or ramp to cooperate with a ramp follower disposed on an outer face of the upper portion
Implementation Method 2
The respective locking elements can be arranged to slideably engage with one another
Data Source
AI summary
A height-adjustable assembly for a drain, comprises a lower portion for use with a waste outlet of the drain, an upper portion to receive an attachment for mounting at floor level to cover the assembly, and an adjustment portion disposed between the upper and lower portions and including first and second adjustment elements disposed respectively on inner and outer faces of the adjustment portion to simultaneously vary the position of the upper and adjustment portions relative to the lower portion as the adjustment portion is rotated.