Winding type silencer

The utility model provides a winding type silencer which comprises at least one set of silencer bodies, each silencer body comprises a first end cover, a second end cover, a shell, a sound insulationcavity and a framework net, a first annular groove and a second annular groove are formed in the side wall of each of the first end cover and the second end cover, and the shell is arranged to be a cylindrical hollow shell. The two ends of the shell are embedded and fixed into the first annular grooves respectively, the framework net is arranged to be a cylindrical hollow framework net, the two ends of the framework net are embedded into the second annular grooves respectively, the sound insulation cavity is formed by a gap between the framework net and the shell, and the sound insulation cavity is filled with a sound insulation assembly. According to the winding type silencer obtained through the design, when the winding type silencer is used, airflow is absorbed through the sound insulation assembly filled in th