Paint spraying device special for indoor decoration and using method of paint spraying device

The invention discloses a special paint spraying device for indoor decoration, which comprises a main frame body, a liquid storage bottle, a driving mechanism and a sealing assembly, the main frame body is provided with a liquid inlet pipe, a handheld part and a switch handle, the upper end of the liquid storage bottle is provided with a liquid conveying pipe, and the liquid inlet pipe and the liquid conveying pipe are connected through the sealing assembly; the sealing assembly is connected with the switch handle through a driving mechanism, and the switch handle controls the sealing assembly to clamp and seal the infusion tube through the driving mechanism. Compared with the prior art, the indoor decoration paint spraying device has the beneficial effects that during indoor decoration paint spraying, the liquid storage bottle can be replaced more quickly, operation is more convenient, and use is faster. 本发明公开一种室内装修专用喷漆装置，包括主架体、储液瓶、驱动机构以及密封组件、所述主架体上设有进液管、手握部以及开关把手，所述储液瓶的上端设有输液管，所述进液管和输液管通过密封组件连接，所述密封组件与开关把手之