Drain Valve Flow Rate Regulator for Adjustable Water Speed
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Solution Overview
Problem
The existing drain valves in toilets lack the ability to regulate drainage speed, requiring users to replace entire models to adjust flushing performance, which is inefficient and costly.
Innovation Solution
A drain valve design featuring a flow rate regulator at the lower end of the overflow pipe, allowing for adjustable water flow between the regulator and the channel water inlet, enabling controlled drainage speed without replacing the entire valve.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the drainage speed of the drain valve is increased to improve flushing effect, then the flushing performance is improved, but the flow rate cannot be regulated and requires replacing different models of drain valves
Solution Approach 1:
The drain valve is divided into functionally independent modules: the overflow pipe assembly and the flow rate regulator. The flow rate regulator can be independently replaced to change drainage speed without replacing the entire drain valve, enabling flexible adaptation to different flushing requirements.
Solution Approach 2:
The system transitions from a fixed drainage speed design to a dynamically adjustable system. By allowing users to replace different models of flow rate regulators, the drainage speed can be dynamically adapted to match different toilet bowl types and flushing requirements.
2Adaptability or versatility
If the entire drain valve model is replaced to adjust drainage speed, then the desired flow rate can be achieved, but the replacement cost and complexity increase
Solution Approach 1:
The drain valve is segmented into replaceable modules, with the flow rate regulator being the interchangeable component. This segmentation allows users to replace only the regulator portion rather than the entire valve assembly, significantly reducing replacement complexity and cost.
Solution Approach 2:
The design allows the flow rate regulator to be discarded and replaced independently when drainage speed adjustment is needed. The main body of the drain valve is retained and reused, reducing waste and replacement costs compared to replacing the entire valve.
3Device complexity
If a fixed spraying orifice is used in the toilet, then the structure is simple, but the flushing effect depends entirely on the drainage speed of the drain valve
Solution Approach 1:
While the spraying orifice remains fixed, the system achieves dynamic flushing performance by allowing replacement of the flow rate regulator. This enables the fixed orifice design to adapt to different flushing requirements through regulator replacement, maintaining structural simplicity while improving flushing effectiveness.
Data Source
AI summary
The present application discloses a drain valve, comprising a valve body, a valve seat, and an overflow pipe. The valve seat includes a drainage channel. The overflow pipe includes a blocking element and a flow rate regulator. When the overflow pipe is in a raised state, the blocking element leaves a channel water inlet, the flow rate regulator is partially or completely located above the channel water inlet, and a water flow channel is formed between the flow rate regulator and the channel water inlet. An amount of water entering the drainage channel from the channel water inlet in unit time can be defined by the flow rate regulator, and thus a drainage flow rate can be controlled. If a user needs to change the drainage flow rate, the user only replaces different types of flow rate regulators, without replacing the whole drain valve to save costs.