A catalyst subassembly that is used for irritating in silencer lacquer

The utility model discloses a catalyst subassembly that is used for irritating in silencer lacquer, catalyst subassembly be used for welding in the exhaust port of this internal and catalyst subassembly of silencer through can be in fusional sealing material shutoff under the settlement temperature, the utility model discloses a structure of sealed catalyst subassembly exhaust port is irritated in, and is welded earlier the catalyst subassembly before the lacquer this is internal at the silencer irritates the lacquer back in, and utilizes and toast the mode of getting rid of that melts sealing material, reaches the final application purpose of silencer, irritate lacquer and catalyst subassembly welding process process in this structure can be simplified, improve work efficiency, practice thrift manufacturing cost, and, guarantee that the application of silencer body is comprehensive and is not destroyed that the application of being kept perfectly is surperficial, does benefit to the corrosion resistance who