Special tool suitable for sealing test of underwater vehicle

The invention provides a special tool suitable for a sealing test of an underwater vehicle, which comprises a connector and a sealing head, the connector and the sealing head are connected into a whole, a through hole is formed in the sealing head, a threaded hole is formed in the connector, the inner diameter of the through hole is smaller than that of the threaded hole, and the threaded hole is connected with the connector. And the through hole extends towards the connector end and is communicated with the threaded hole. The connector is in the shape of a cylinder or a hexagonal column. The special tool suitable for the sealing test of the underwater vehicle is small in weight and reliable in sealing performance, air leakage faults do not occur in the testing and testing process, and the installation direction and the installation angle of a product are accurate and errorless. 本发明提供一种适用于水下航行器密封测试专用工装，包括连接头和密封头，所述的连接头与密封头连接成一体，所述的密封头内设有通孔，所述的连接头内设有螺纹孔，所述的通孔内径小于螺纹孔的内径，且通孔向连接头端延伸并与螺纹孔连通。所述的连接头为圆筒状或六边形柱状。本发明提供的