Dustproof carbon brush holder assembly of motor

The utility model discloses a dustproof carbon brush holder assembly of a motor, which relates to the technical field of carbon brush holders and comprises an installation unit and an installation seat fixedly connected to the top of the installation unit, and further comprises a carbon brush unit and a dustproof unit which are arranged in the installation seat. The carbon brush unit comprises a first spring fixedly connected to the inner wall of the mounting seat, a mounting plate fixedly connected to one end of the first spring and used for mounting a carbon brush, and a carbon brush body fixedly connected to the side wall, opposite to the first spring, of the mounting plate; the dustproof unit comprises a second spring fixedly connected to the inner side wall of the mounting base, an L-shaped pressing plate fixedly connected to one end of the second spring and used for movable pressurization, and an air bag fixedly connected to the top of the mounting base and used for cleaning carbon powder and dust. Acco