Spraying structure of floor brush

The utility model belongs to the technical field of floor brushes, and discloses a spraying structure of a floor brush, and adopts the technical scheme that the spraying structure comprises a shell, a spraying mechanism is arranged in the shell, and the spraying mechanism extends to the outer side of the shell; the spraying structure of the floor brush has the beneficial effects that cleaning liquid is injected into the box body, the water pump is started, the cleaning liquid in the box body can sequentially enter the spraying head through the connecting pipe and the hose, and then the cleaning liquid is sprayed out of the spraying head to enter the rolling brush; the reciprocating lead screw is matched with the sliding block, so that the sliding block reciprocates left and right, at the moment, the sliding block drives the spray head to reciprocate left and right, cleaning liquid can be evenly sprayed into the rolling brush to wet the rolling brush, and therefore the ground is efficiently cleaned, and meanwh