Double-flush Light-touch Drain Valve Buoy Control
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Solution Overview
Problem
Canister-type drain valves often exhibit poor flush stability and leakage when attempting to implement a double-flush drainage function, particularly when distinguishing between large-volume and small-volume flushing.
Innovation Solution
A double-flush light-touch drain valve with a buoy component that can move relative to a base, featuring a flowing channel that can be opened or closed to control water drainage, allowing for distinct flush modes by influencing the resultant force on the buoy component, thereby stabilizing and regulating the drainage process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If canister-type drain valves are used to implement double-flush drainage function, then water drainage capability is provided, but flush stability deteriorates and leakage occurs
Solution Approach 1:
The drain valve is segmented into multiple functional components: a buoy component with separate buoyancy chamber and water storage chamber, a valve component with first and second valve bodies, and a control component with distinct control channels. This segmentation allows independent control of large-volume and small-volume flushing functions, improving reliability and preventing leakage by ensuring each component performs its specific function without interference.
2Quantity of substance
If a flowing channel is opened on the buoy component to influence resultant force, then small-volume flush is achieved, but control precision must be maintained
Solution Approach 1:
The control component establishes a feedback mechanism where the control channel connects the water storage chamber to the buoyancy chamber through a controlled opening. When the buoy rises, water flows through the control channel to adjust buoyancy in real-time, providing automatic feedback control that maintains precise control accuracy while achieving accurate flush volume regulation.
3Device complexity
If the buoy component structure is simplified for compact design, then device complexity is reduced, but functional reliability must be maintained
Solution Approach 1:
The buoy component merges the buoyancy chamber and water storage chamber into a single integrated structure, eliminating the need for separate components. The valve component combines multiple valve functions within a unified body structure. This merging reduces device complexity and achieves compact design while maintaining functional reliability through careful design of the integrated structures.
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 solution enables reliable double-flush drainage with improved stability and feasibility, allowing for precise control of flush volumes through simple and compact structural design, ensuring effective water management.
Implementation Method 1
a buoy component (110), capable of moving relatively to the valve body (20)... the buoy component (110) being capable of opening or closing the outfall (11)
Implementation Method 2
a flowing channel on the buoy component is opened, and the resultant force subjected by the buoy component is influenced by the flowing channel
Data Source
AI summary
A double-flush light-touch drain valve and double-flush control method. The valve includes a base, a buoy component and a starting component, a valve body installed on the base, the base provided with an outfall, the buoy component capable of moving relatively to the base and capable of opening or closing the outfall. The starting component includes a first starting switch and a second starting switch, and the buoy component is provided with a flowing channel communicated with the inside and outside of a buoy cavity of the buoy component; and the first starting switch is operable to drive the buoy component to rise, and close the flowing channel to implement a first flush; and the second starting switch is operable to drive the buoy component to rise, and the flowing channel is opened by the starting component, to implement a second flush.