A stationary coupler for railway vehicle

The utility model provides a fixed coupler for a railway vehicle. The fixed coupler for the railway vehicle comprises a connecting seat and a connecting rod, the first cavity is formed in the connecting seat; the second cavity is formed in the connecting seat; the sliding hole is formed in the inner wall of one side of the first cavity, and the inner wall of the sliding hole is slidably connectedwith the connecting rod; the second cavity body is formed in the connecting rod; the wedge-shaped block is mounted in the second cavity in a sliding manner; the four sliding plates are installed on the inner wall of the second cavity in a sliding mode, and the sliding plates are connected with the wedge-shaped blocks in a sliding mode; and the plurality of sliding grooves are symmetrically formedin the inner wall of the second cavity. The fixed car coupler for the railway vehicle has the advantages of being convenient to use, firm in connection, convenient to release connection and free of influence on normal transpor