Floor brush driving structure applied to scrubber

The utility model discloses a ground brush driving structure applied to a scrubber, which comprises a driving motor, a gearbox and a transmission spline, a transmission gear set is arranged in the gearbox, the transmission gear set comprises a primary driven gear, a secondary driven gear, a transition gear and an output gear, the driving motor is connected with a driving gear, and the driving gear is connected with the transmission spline. The primary driven gear is meshed with the driving gear; the first-stage driven gear is coaxially provided with a first-stage transmission gear, and the second-stage driven gear is meshed with the first-stage transmission gear; the second-stage driven gear is coaxially provided with a second-stage transmission gear, the transition gear is meshed with the second-stage transmission gear, and the output gear is meshed with the transition gear; the output gear is provided with an output shaft, and the front end of the output shaft is provided with a transmission spline. In this