Adjustable garden spraying device

The utility model discloses an adjustable garden spraying device, and aims to solve the problem that trees cannot be sprayed due to different heights. Key points of the technical scheme are as follows: the key points are as follows; lifting device, the lifting device comprises a driving device and a lifting system; drive device comprising a servo motor, the servo motor is fixedly connected to theinner side wall of the main body box; the lifting system comprises a vertical gear, a transverse gear, a straight rack, a fixed rail and a connecting plate; the vertical gear is fixedly connected to an output shaft of the servo motor; the transverse gear is connected to the inner wall of the main box through a rotating shaft and meshed with the vertical gear, the fixed rail is fixedly connected tothe bottom end in the main box and provided with a first sliding groove allowing the spur rack to slide, the spur rack and the transverse gear are in meshed transmission, the spur rack is fixedly connected with the connecting