Pressure regulating nozzle of air jet loom

The utility model discloses an air jet loom pressure regulating nozzle which comprises an air guide pipe, a connecting nozzle and a driving adjusting mechanism, the connecting nozzle is installed at the bottom of the air guide pipe and communicated with the air guide pipe, the driving adjusting mechanism is arranged on the connecting nozzle and comprises a fixing shell, and the fixing shell is installed at the top of the connecting nozzle. A servo motor is mounted at the top of the right side of the inner wall of the fixing shell, and a fixing shaft is mounted at the left end of an output shaft of the servo motor. Through mutual cooperation of the fixing shell, the servo motor, the fixing shaft, the threaded rod, the adjusting block, the threaded groove, a driving gear, a driven gear, a positioning rod, a sliding groove, a sliding block and a pressure gauge, the air pressure in the nozzle can be automatically adjusted, then manual adjustment is avoided, the intensity of the air pressure in the nozzle can be o