Refrigerator air duct fixing structure

The utility model discloses a refrigerator air duct fixing structure which comprises an upper air duct plate, a lower air duct plate and an inner cavity, the upper air duct plate and the lower air duct plate are arranged in the inner cavity through barb structures, the inner cavity is provided with inclined guide seats and a supporting seat, the inclined guide seats are arranged on the two sides of the middle of an inner side plate of the inner cavity, and the supporting seat is arranged at the bottom of the inner side plate of the inner cavity. An inclined supporting plate is arranged on the upper portion of the lower air duct plate and matched with the inclined guide seat, and a supporting seat plate is arranged on the lower portion of the lower air duct plate and matched with the supporting seat. An inclined buckling plate is arranged at the lower part of the upper air duct plate, a limiting plate is arranged at the end part of the inclined buckling plate, and the limiting plate is folded downwards; the su