Pressure regulating device for pressure controller

The utility model relates to the technical field of pressure controllers, and discloses a pressure regulating device for a pressure controller, which comprises a shell, a mounting cylinder extending to the top of the shell is arranged on the inner top wall of the shell, a connecting cylinder extending to the bottom of the shell is arranged on the inner bottom wall of the shell, and a mounting frame extending to the top of the mounting cylinder is arranged on the outer side of the mounting cylinder. An adjusting assembly extending into the connecting cylinder is arranged in the mounting cylinder, a driving assembly connected with the adjusting assembly is arranged in the mounting frame, and the driving assembly is connected with the inner wall of the mounting cylinder and extends to the outer side of the mounting frame. According to the pressure regulating device for the pressure controller, the regulating assembly and the driving assembly are arranged, a worm is rotated through a handle, a worm gear is driven