Pesticide spraying nozzle, pesticide spraying device and pesticide spraying vehicle

The utility model relates to the technical field of agricultural machinery, and particularly discloses a pesticide spraying nozzle, a pesticide spraying device and a pesticide spraying trolley, the pesticide spraying nozzle comprises a nozzle, a nozzle mounting seat and a spring limiting stopper, two sides of the nozzle are provided with first adjusting holes, the nozzle mounting seat is provided with a plurality of second adjusting holes, the nozzle is rotatably connected to the nozzle mounting seat, and the spring limiting stopper is arranged on the nozzle mounting seat. The second adjusting holes are distributed in the rotating track of the first adjusting holes, and the first adjusting holes can be connected with any second adjusting hole through spring limiters and used for adjusting the pesticide spraying angle of the sprayer body, so that the problems that the pesticide spraying direction of an existing pesticide spraying sprayer cannot be changed, and pesticide spraying is uneven are solved. 本实用新型涉及农业