Inflatable sealing device of vehicle door of railway vehicle

The utility model discloses an inflatable sealing device of a vehicle door of a railway vehicle. The inflatable sealing device of the vehicle door of the railway vehicle comprises an inflation and deflation control relay K1, a first delay relay J1, a second delay relay J2, a vehicle door closing location switch S1, a pressure detection switch S2, an electromagnetic inflation valve Y1, an electromagnetic deflation valve Y2, a pressure indication lamp H2 and an inflation sealing rubber strip. By the adoption of the inflatable sealing device comprising the relays, the delay relays and the rapid inflation sealing rubber strip, the influence of software is avoided, the reliability is high, cost is low, the size is small, the needed installation space on the vehicle is small, good later reformation performance is achieved, air-tight seal of the railway vehicle is guaranteed, the comfort degree of passengers is improved, and the inflatable sealing device has a good application prospect.