Valve structure and accumulator sprayer comprising valve structure

A valve structure that is used by attaching to a sub-cylinder portion of an accumulator sprayer provided with a cylinder body portion having a main cylinder portion and the sub-cylinder portion, and a cover portion that is attached to cover the cylinder body portion, wherein;

• the accumulator sprayer is attached to a container for sucking up liquid in the container through a first valve to the main cylinder portion, pressurizing the liquid in the main cylinder portion, and spraying the liquid from a nozzle portion through the valve structure when the pressure of the liquid reaches a certain pressure;
• and
• the valve structure comprises a spring portion and a valve piston portion provided separately from the spring 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.