Silencing structure for reducing exhaust noise

• Main Authors: CHEN YONG, DAI SHIQING, LI XIUJUAN, ZHU XIANGYU
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2024
• Subjects: ACOUSTICS; ACOUSTICS NOT OTHERWISE PROVIDED FOR; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; MUSICAL INSTRUMENTS; PHYSICS; SOUND-PRODUCING DEVICES

The utility model discloses a silencing structure for reducing exhaust noise, which comprises a hole pipe and a shell, the shell is arranged on the hole pipe, the left end of the shell is provided with a first through hole, the right end of the shell is provided with a second through hole, the hole pipe comprises a first hole pipe, a second hole pipe and a third hole pipe, and the third hole pipe is provided with a second through hole. One end of the first hole pipe is connected with the first through hole, the second hole pipe is connected with the second through hole, the third hole pipe is located between the first through hole and the second through hole, a plurality of silencing holes are formed in the surface of the third hole pipe, and a silencing layer is arranged on the inner surface of the shell. And an exhaust hook is arranged on the surface of the shell. The simple structure is adopted, only one shell and one porous pipe are needed, the effective silencing function can be achieved, and compared wi