Rainproof suitcase

The utility model discloses a rainproof suitcase. The draw-bar box comprises a box body, a telescopic draw bar, universal wheels, a waterproof cover sleeved outside the box body and a gland with the top bulging upwards, the gland is made of a rubber material; a vertical convex edge which extends downwards is arranged on the periphery; the distance from the outer wall of the vertical convex edge tothe outer edge of the gland is 6-10mm; the inner wall of the gland, the inner wall of the vertical convex edge and the top surface of the box body jointly enclose a storage cavity for placing the waterproof cover; the top surface of the waterproof cover is arranged on the top surface of the box body through a vertical column; a through hole for the telescopic pull rod to extend out is formed in the position, corresponding to the telescopic pull rod, of the waterproof cover. A convex column is arranged in the middle of the gland, a concave hole is formed in the convex column, a barb is arranged on the inner wall of th