Rotation adjustment device for agricultural drip irrigation micro-spraying nozzle

The invention discloses a rotation adjustment device for an agricultural drip irrigation micro-spraying nozzle, which comprises a fixing plate, wherein the fixing plate is provided with a supporting pipe, the top of the supporting pipe is provided with a supporting shell, the supporting shell is provided with a positioning mechanism, the positioning mechanism includes a positioning shell, the lower part of the positioning shell is provided with an adjusting arm, one end of the adjusting arm is provided with an abutting shaft between the lower part of the positioning shell and the top part of the supporting shell, the other end of the adjusting arm is provided with an operating arm, the middle part of the operating arm is provided with a bending part, the upper part of the positioning shellis provided with a positioning seat, the positioning seat is provided with an adjusting seat thereon, the lower end of the operating arm is connected with the other end of the adjusting arm, and theupper end of the operating