Faucet Spray Head Push-Button Valve for Multi-Jet Water Saving
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Solution Overview
Problem
There is a need for a water faucet spray head that provides multiple types of water jets with adjustable hardness and ease of use, while also offering water conservation options, particularly in kitchen applications.
Innovation Solution
A spray head with a mechanical changeover valve mechanism using a push button to switch between different water outlets and spray patterns, incorporating a ball point pen mechanism for intuitive operation, and a flow rate setting means for precise control, without requiring complex electronics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple water outlets and spray patterns are provided to meet diverse user needs and water conservation requirements, then the functionality and versatility of the spray head are improved, but the device complexity increases
Solution Approach 1:
The spray head is segmented into multiple independent water outlets (first water outlet, second water outlet, third water outlet) each providing different spray patterns (jet spray, mousseur jet, blade jet). This segmentation allows users to select different spray patterns for different tasks without requiring a complex single outlet system, thereby improving versatility while keeping each outlet's structure relatively simple.
Solution Approach 2:
The changeover valve mechanism is designed to universally control multiple water-conducting connections through a single operational interface (push button). This multi-functional valve can selectively activate any of the three water outlets, providing universal control that simplifies the overall device complexity while maintaining high adaptability across different spray pattern needs.
2Ease of operation
If a mechanical changeover valve with push button operation is used to switch between water outlets, then the ease of operation is improved, but the device complexity increases compared to simple outlets
Solution Approach 1:
The changeover valve incorporates a push button mechanism that allows users to easily switch between water outlets through simple pressing actions. The mechanical design includes spring-loaded components and snap mechanisms that automatically return to default positions and maintain sealed connections without requiring user intervention for complex adjustments, thereby improving ease of operation while keeping the valve structure relatively compact and manageable.
3Reliability
If purely mechanical components are used for the changeover valve instead of electronics, then the reliability and simplicity are improved, but the adaptability and precision control are limited
Solution Approach 1:
The patent employs a purely mechanical changeover valve system with push button actuation, spring mechanisms, and snap connections to replace electronic control systems. This mechanical substitution ensures high reliability and simplicity while the valve's ability to selectively block and open different water-conducting connections provides sufficient precision control for multiple spray patterns, demonstrating that mechanical systems can achieve both reliability and functional precision.
4Adaptability or versatility
If multiple water-conducting connections are provided for different spray patterns, then the functionality is improved, but the loss of water increases if not properly controlled
Solution Approach 1:
Each water outlet is designed with specific local qualities tailored to its function: the first water outlet provides jet spray for rinsing, the second provides mousseur jet for gentle cleaning, and the third provides blade jet for scrubbing. This local quality optimization ensures that each outlet delivers the appropriate water flow characteristics for its intended use, improving functionality while minimizing water waste by matching spray patterns to task requirements.
Solution Approach 2:
The changeover valve enables dynamic switching between different water-conducting connections based on user needs. Users can dynamically select the most appropriate spray pattern for each task, allowing for water conservation by using gentler spray patterns (mousseur jet) when sufficient cleaning power is not required, and reserving higher flow patterns (jet spray, blade jet) for tasks that specifically require them.
Data Source
AI summary
A spray head (1) for a water faucet (2) having a water inlet (3), and at least one first water outlet (4), one second water outlet (5) and one changeover valve (6) for selectively activating a first water-conducting connection (7) from the water inlet (3) to the first water outlet (4) or a second water-conducting connection (8) from the water inlet (3) to the second water outlet (5), wherein the changeover valve (6) is connected to a setting means (9), which has a push button (10) and which is designed such that an actuation of the push button (10) makes it possible to change from the first water-conducting connection (7) to the second water-conducting connection (8) and vice versa.