Rolling brush mechanism for car washer

The utility model relates to the technical field of car washers, and discloses a rolling brush mechanism for a car washer, which comprises a mounting plate, a motor cabin is fixedly mounted in the middle of one side of the mounting plate, a servo motor A is fixedly mounted in the motor cabin, and an output end of the servo motor A is in spline connection with a transmission rod A; and one end of the transmission rod A is fixedly connected with an adjusting mechanism, one side of the adjusting mechanism is connected with a rolling brush plate through a screw, and telescopic rods are fixedly mounted at the top and the bottom of one side of the mounting plate correspondingly. According to the rolling brush mechanism for the car washing machine, through the arrangement of the adjusting mechanism, the mounting plate is fixed to the car washing machine, an external power source is connected to enable a servo motor A to be powered on, then a threaded sleeve is driven to rotate, a threaded lead screw drives the rolli