Exhaust regulator

The utility model discloses an exhaust regulator, which relates to the technical field of respiratory protection devices and comprises a chamber, the chamber is divided into an upper chamber and a lower chamber by a diaphragm, the lower chamber is communicated with an expiration connector, a rocker is arranged at the bottom of the diaphragm, a valve body is connected onto the lower chamber, an inner cavity of the valve body is communicated with the lower chamber, and the bottom end of the rocker is hinged to the valve body. The top end of the rocker is connected to the diaphragm through a shackle device, a positioning valve seat and an adjusting valve seat are arranged in the valve body, a valve body is arranged between the positioning valve seat and the adjusting valve seat, the valve body and the adjusting valve seat are in contact sealing, an inner cavity of the adjusting valve seat is connected with an exhaust connector, and a compression spring is arranged between the valve body and the positioning valve