Accumulator Sprayer Valve Structure With Metal Spring Separation
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Solution Overview
Problem
Existing accumulator sprayers using synthetic resin for both the valve body and spring suffer from reduced spring force due to plastic deformation after repeated use, hindering high pressure-accumulating performance and stable liquid spraying.
Innovation Solution
A valve structure with a separate spring portion and valve piston portion, where the spring portion is made of metal (e.g., stainless steel) and has higher rigidity than the valve piston portion, allowing for improved pressing and responsiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If synthetic resin is used for both the valve body and spring to simplify manufacturing, then ease of manufacture is improved, but spring force reduces over time due to plastic deformation
Solution Approach 1:
The invention divides the spring and valve piston into separate components. The spring is made of metal (stainless steel or aluminum alloy) while the valve piston remains synthetic resin. This segmentation allows each component to be optimized for its specific function, preventing the plastic deformation issues that occur when synthetic resin is used for both parts.
Solution Approach 2:
The invention uses composite materials by combining metal spring with synthetic resin valve piston. The metal spring provides consistent elastic force without plastic deformation, while the synthetic resin valve piston maintains sealing properties. This composite approach resolves the contradiction between ease of manufacture and reliability.
2Force
If synthetic resin spring rigidity is increased to achieve higher spring force, then pressure-accumulating performance is improved, but valve body movement range is reduced
Solution Approach 1:
The invention changes the material parameter of the spring from synthetic resin to metal, which has fundamentally different mechanical properties. Metal springs can provide high spring force while maintaining adequate elasticity and movement range, resolving the contradiction between force and movement range that plagues synthetic resin springs.
3Reliability
If metal spring is used instead of synthetic resin spring, then spring force consistency is improved, but device complexity increases
Solution Approach 1:
By segmenting the spring and valve piston into separate components with different materials, the invention achieves reliable spring force consistency while keeping the overall device structure simple and maintainable.
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 separate spring and valve piston design ensures stable and high pressure-accumulating performance, with the metal spring providing consistent spring force and quick valve closure, enhancing the responsiveness and stability of liquid spraying.
Implementation Method 1
the spring portion presses the valve piston portion in vertical direction
Implementation Method 2
the spring portion has higher rigidity than the valve piston portion
Data Source
AI summary
A valve structure A of an accumulator sprayer X provided with a cylinder body portion B having a main cylinder portion B1 and a sub-cylinder portion B2, and a cover portion C that is attached to cover the cylinder body portion B, wherein; the accumulator sprayer X sucks up liquid in a container J through a first valve FV to the main cylinder portion B1, pressurizes the liquid and spraying the liquid from a nozzle portion F when the pressure of the liquid reaches a certain pressure; and the valve structure A comprises a spring portion and a valve piston portion, wherein the valve piston portion is provided with a spring attaching portion, the spring portion is attached to the spring attaching portion, the spring portion presses the valve piston portion in vertical direction, and the spring portion has higher rigidity than the valve piston portion.