Car washing brush

The utility model relates to the technical field of car washing brushes and discloses a car washing brush which comprises a fixing plate, a water tank is fixedly connected to the middle of the upper surface of the fixing plate, a motor box is fixedly connected to one side of the water tank, a servo motor is fixedly connected to the inner wall of the motor box, and the output end of the servo motor is in spline connection with a transmission rod. One end of the transmission rod is fixedly connected with a stirring rod, the interior of the water tank is fixedly connected with a conveying assembly, one end of the conveying assembly is fixedly connected with a flow guide pipe, one end of the flow guide pipe is fixedly connected with a fixing block, the surface of the fixing block is in threaded connection with an adjusting assembly, and one end of the adjusting assembly is fixedly connected with a fixing base. According to the car washing brush, through the arrangement of the conveying assembly, the flow guide pi