Gardening Spray Gun Water Control Valve Flow Volume
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Solution Overview
Problem
Conventional water spray guns have a through hole with a smaller diameter that limits the volume of water that can flow through, restricting the amount of water that can be sprayed at one time.
Innovation Solution
A gardening water spray gun design featuring a water control valve with a through hole and recess configuration, allowing the valve to align or misalign with the water inlet and outlet channels, controlled by an operating unit, to manage the flow of water and provide a larger volume of spraying water.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a through hole with smaller diameter is used in the water control valve, then the manufacturing precision is easier to achieve, but the volume of water flow is limited
Solution Approach 1:
The through hole is segmented into multiple sections: a first through hole portion with larger diameter and a second through hole portion with smaller diameter. This segmentation allows different sections to serve different functions - the larger first portion increases water flow volume while the smaller second portion maintains manufacturing precision and proper valve sealing.
Solution Approach 2:
Different sections of the through hole have different diameters tailored to their specific functional requirements. The first through hole portion has a larger diameter optimized for water flow volume, while the second portion has a smaller diameter optimized for manufacturing precision and sealing performance.
2Quantity of substance
If the through hole diameter is increased to allow larger water volume, then the quantity of substance is improved, but the manufacturing precision becomes more difficult to achieve
Solution Approach 1:
The through hole is divided into two distinct portions with different diameters. The first portion has a larger diameter to maximize water flow volume, while the second portion has a smaller, more precisely manufacturable diameter that ensures proper sealing and valve operation.
Solution Approach 2:
The through hole features local quality variations with different diameters in different sections. The first section is optimized for high water flow capacity with larger diameter, while the second section is optimized for manufacturing precision with smaller diameter.
3Productivity
If a conventional water spray gun design is used, then the device complexity is reduced, but the productivity of water spraying is limited
Solution Approach 1:
The valve structure is segmented with a multi-section through hole design. This segmentation enables the valve to provide both high water flow capacity and precise control functionality, thereby increasing productivity while maintaining manageable device complexity through a relatively simple valve body modification.
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
This design enhances water flow by preventing diameter narrowing in manufacturing and allows a greater amount of water to flow, enabling a larger volume of spraying water to be delivered at once.
Implementation Method 1
The water control valve is configured to be rotated when the operating unit is pulled upwardly or downwardly
Implementation Method 2
a recess formed at an end of the through hole is located close to the upper arc edge, and with the communication between the through hole and the recess, the water spray gun is configured to allow more water to flow through
Data Source
AI summary
A gardening water spray gun may include a barrel portion and a handle, and a water control chamber laterally penetrates through the water spray gun. A water control valve pivotally secured inside the water control chamber is controlled by an operating unit. The water control valve is a circular shaft which has an upper arc edge and a lower arc edge, and a central portion of the lower arc edge comprises a through hole which penetrates through the water control valve from a side to another. Moreover, a recess formed at an end of the through hole is located close to the upper arc edge, and with the communication between the through hole and the recess, the water spray gun is configured to allow more water to flow through and to provide a large amount of spraying water at one time.