| 摘要 |
PURPOSE: Liquid spraying apparatus is provided to control spraying amount of liquid by controlling the effective cross-sectional area of liquid spray hole by a spraying amount control member. CONSTITUTION: Liquid spraying apparatus comprises a liquid reservoir unit, a nozzle part, a jetting amount control unit(450), and a second pressed air supply part(500). The liquid reservoir unit accepts liquid for spraying inside. The nozzle part comprises a liquid path(222), and a liquid jetting hole. The liquid path is connected to the inside of the liquid reservoir unit. The liquid jetting hole is connected to the end part of the liquid path. The jetting amount control unit is able to move in the inside of the liquid path. The end part of the jetting amount control unit is inserted into the liquid jetting hole to be separable. The second pressed air supply part supplies pressed air to the liquid path by connecting with the liquid moving path.
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