A leakage-proof manual stop valve for a ship

Abstract

The application relates to a ship anti-leakage manual stop valve and relates to the technical field of ship stop valves. The valve body is internally rotatably installed with a valve rod, the top end of the valve rod is fixed with a hand wheel, the bottom end of the valve rod is provided with a valve core, the surface of the valve rod is provided with a guide groove, the valve cover is internally rotatably installed with a rotating seat, the surface of the rotating seat is provided with a driving assembly, the valve cover is internally rotatably installed with a rotating ring, the surface of the rotating ring is provided with a pressurizing assembly, the surface of the guide groove is rotatably installed with a driving ring, and the guide groove is internally provided with a sealing assembly. The valve rod, the valve cover, the driving assembly and the pressurizing assembly are arranged to assist in completing the secondary compression closing action of the valve, reduce the operation torque required for manual closing, improve the operation convenience and the sealing in-place rate, the pressurizing assembly has the one-way self-locking characteristic, accidental opening and closing of the valve is avoided, and the valve body operation stability is enhanced.

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