Air pressure adjusting device of air pressure power machine

The utility model relates to the technical field of air pressure regulation, and particularly discloses an air pressure regulating device of an air pressure power machine, which comprises an air pressure regulating device body and an air pipe, at least two mounting sleeves are arranged on the air pressure regulating device body, and the mounting sleeves are inserted into the air pipe; an inserting opening is formed in the mounting sleeve, and the air pipe abuts against the inserting opening; a plurality of elastic pressing plates are mounted on the mounting sleeve, each elastic pressing plate comprises an inclined part and a horizontal part, and the horizontal parts abut against the outer wall of the air pipe; a threaded sleeve is further included and comprises an inclined groove, and the inclined groove is attached to the inclined part. The air pipe is connected with the installation sleeve in an inserted mode, the elastic pressing plates are arranged on the outer side of the air pipe, the threaded sleeve is