Water meter head anti-fog device

The utility model relates to an anti-condensation device for a meter head of a water meter. The method is characterized in that the method is characterized by comprising the following steps; the checkvalve comprises a valve body and a valve cover arranged on the valve body, the lower end of the valve body is provided with a screw rod penetrating through a top panel of the water meter head; a nutfor locking the valve body and the top panel is connected to the lower end of the screw in a threaded mode, a sealing ring is arranged between the nut and the lower surface of the top panel in a cushioned mode, an air hole communicated with the inside and the outside of the top panel is formed in the valve body in a penetrating mode, and a waterproof breathable film is attached to the upper surface of the valve body and located at the outlet end of the air hole. The utility model relates to a working principle of an anti-fog device for a water meter head. The device is arranged on a top panelof a water meter head; the