Silencing unit and silencing structure

Abstract

The present application discloses a silencing unit and a silencing structure. The silencing unit includes a main body and a neck. The main body is provided with a cavity and a liquid drain outlet, and the drain outlet is arranged on a side wall of the main body and communicates with the cavity. The neck is arranged on a side portion of the main body and connected to the main body, and the neck is provided with a drain channel. Wherein the drain channel communicates with the cavity through the drain outlet, and the bottom of the cavity is not lower than the bottom of the drain channel. The silencing unit of the present application can drain a liquid entering the cavity out of the cavity while silencing.

Dependencies are inferred from the claim text.