Winding pipe silencer

The utility model relates to a winding pipe silencer. In the silencer, an air inlet pipe is composed of an upper and a lower tapered air inlet pipes, wherein, the upper tapered air inlet pipe is a winding tapered pipe. The utility model has the advantages that because of an integral streamline structure, the exhaust resistance can be greatly reduced; waste gas can be discharged easily; the combustion can be complete to greatly decrease produced carbon monoxide and carbon smoke; the silencing effect can be good; oil can be saved; the appearance can be beautiful; the cost is low; because of the adoption of an inserted type welding connection, the intensity can be high; the pipe can be hard to break; the service life can be extended; the reliability can be increased.