Carbon brush rack of central current collector

The utility model discloses a carbon brush rack of a central current collector. The technical solution of the carbon brush rack is characterized in that: the carbon brush rack comprises a mounting seat; two sides of the mounting seat are respectively connected with a brush box fixedly; each brush box is internally provided with a carbon brush chamber; the carbon brush chamber is internally connected with a carbon brush slidably; the side wall of each brush box is provided with a chute; the chute is internally connected with a slide strip in a slipping manner for pulling the carbon brush back; the slide strip is connected with a buckle; the chute is internally provided with a double-metal strip for controlling the buckle for releasing; the side surface of the double-metal strip abuts against the carbon brush; one end of the double-metal strip is fixedly connected with the brush box, and the other end is a movable end; and a deforming area is arranged between the double-metal strip and the slide strip. The carb