A air -dry device for car washer

The embodiment of the utility model provides an air -dry device for car washer is related to, include: air knife, air knife include air knife main part, first connection end plate and second connection end plate, first connecting axle links to each other with first one side of being connected the end plate, the second connecting axle links to each other with one side that the end plate is connected to the second, a side surface of connecting first box is worn to penetrate by first connecting axle, a side surface of connecting the second box is worn to penetrate by the second connecting axle, motor reduction gear holding is in first box, the angle encoder passes through mount ann in the second box, first support is fixed at the opposite side of first box on the surface, the second support is fixed at the opposite side of second box on the surface, be equipped with first link plate on the first support, be equipped with the second link plate on the second support, an electro optical assembly establishes on firs