Marine hydraulic double-force locking screwed joint

• Main Authors: ZHU YUGUANG, YAO YU, MA SHI, LIU ZHENQIAN, ZHU XIANGZHE, YANG ZHEN
• Format: Patent
• Language: Chinese; English
• Published: 09.08.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model provides a hydraulic double-force locking screwed joint for a ship. Comprising an outer nut, a screwed joint, a gasket, a welded pipe core and an inner nut, the outer nut is provided with an inner thread I, and the inner thread I is used for being connected with the inner nut; a threaded joint is assembled in an inner cavity of the internal thread I; the screwed joint is sleeved in the outer nut, one end of the screwed joint is provided with a narrow boss and is in lap joint with a pipeline, and the other end of the screwed joint is provided with an outer thread II for connecting the inner nut; the welding pipe core is sleeved in the inner nut and is in lap welding with the pipeline; the inner nut is provided with an external thread I and an internal thread II; the external thread I is connected and locked with the internal thread I of the external nut, and the internal thread II is connected and locked with the external thread II of the threaded connector, so that internal and external doub