Noiseless structure for gear transmission of paper shredder

The utility model discloses a mute structure for gear transmission of a paper shredder, which comprises a case body and a paper shredder core component seated in an upper port of the case body, and the upper port of the case body is provided with a surface cover; the paper shredding machine core assembly comprises a machine core mounting rack, and an AC motor and a paper shredding cutter mechanism which are mounted in the machine core mounting rack; a gear transmission mechanism for transmitting torque output by the AC motor to the paper shredding cutter mechanism is mounted on a left side plate of the machine core mounting rack; the gear transmission mechanism is sleeved with a silencing device used for reducing transmission noise, and the silencing device is fixedly installed on the left side plate of the machine core installation frame through a cross screw. The paper shredder is simple in structure, economical and practical, and solves the problems that a traditional paper shredder is loud in working nois