Bidirectional hard sealing adjusting and cutting ball valve

• Main Authors: YANG HAN, CHEN FAN'E, PENG YANGANG, JIN ANTAO, LUO YINYIN
• Format: Patent
• Language: Chinese; English
• Published: 22.11.2022
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; NATURALLY-OCCURRING ELECTRICITY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; STATIC ELECTRICITY; TAPS; THERMAL INSULATION IN GENERAL; TRANSPORTING; VALVES; WEAPONS

The utility model discloses a two-way hard sealing adjusting cut-off ball valve which comprises a valve body, a ball body and a valve rod, the ball body is arranged in an inner cavity of the valve body, the valve rod is arranged at the upper end of the valve body in a penetrating mode, the inner end of the valve rod is connected with the ball body in a linkage mode, and the outer end of the valve rod is connected with a handle in a linkage mode. The positions, corresponding to the two ends of the ball body, in the valve body are each provided with an installation groove, the two installation grooves are each internally provided with a valve seat assembly, each valve seat assembly sequentially comprises a valve seat ring, a sealing ring, a pressing ring and a disc spring, and a conical sealing gap with the large outer portion and the small inner portion is formed between each valve seat ring and the inner wall of the valve body; the shape of the sealing ring is matched with that of the conical sealing gap, the