Drainage structure of automobile sliding window

The utility model discloses a drainage structure of an automobile sliding window, which comprises a sliding rail, a water inlet, a water outlet and a water storage cavity are arranged on the sliding rail, the water inlet, the water storage cavity and the water outlet form a drainage channel, the drainage structure further comprises a one-way valve, the one-way valve is matched with the water outlet, the one-way valve comprises a valve seat, a supporting part, a valve plate and a clamping seat, a cavity is arranged on the valve seat, and the supporting part is arranged on the cavity. The valve seat is provided with a first opening matched with the water outlet, the supporting part is located in the cavity, the supporting part is provided with a plurality of drainage openings, the valve plate is matched with the supporting part, one end of the valve plate is matched with the clamping seat, the other end of the valve plate is a free end, the valve seat is further provided with an output port communicated with th