Manual ball valve

• Main Authors: CHENG XUSHENG, ZHENG KEHUI, ZHAO SHENGTIAN, WANG FANGGANG, LI JIE, LIU LIU
• Format: Patent
• Language: Chinese; English
• Published: 29.09.2023
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The utility model relates to the technical field of ball valves, in particular to a manual ball valve which comprises a handle, a valve body assembly and a pressing force compensation assembly. The valve body assembly comprises a valve body, a ball valve and a valve rod, a valve rod mounting sleeve is arranged on the valve body, the valve rod penetrates through the valve rod mounting sleeve, one end of the valve rod is connected with the ball valve, and the other end of the valve rod is connected with the handle; sealing packing is arranged between the inner wall of the valve rod installation sleeve and the outer wall of the valve rod, the end of the sealing packing is higher than the end of the valve rod installation sleeve, the pressing force compensation assembly comprises a gland and an elastic compensation structure, the valve rod is sleeved with the gland, the bottom face of the gland abuts against the end of the sealing packing, and the elastic compensation structure is arranged on the top face of the