Butterfly type valve flange gasket positioner for gasket installation and positioning

• Main Authors: JIANG BAICHUN, WU WU, HUANG LINLIN, LIU ZHENG, WU SHIFENG, LIU QIANG, CHAO YONGQING, LIU SHUCAI, ZHAO XIAODONG, CHEN YONGXIN, ZHOU QINGXIANG, MA DEYOU, CHEN MINGZHONG, TIAN JUNJUN, ZHANG WEI, SUO JIANGANG, XU XIN, YANG LIZHI, TAN XUELIANG, REN CHANGSHAN, BAI HONGBO, LI LIANQIANG, XU MINRUI, LIU CHANGSHUN, SHAO TIANBAO, LIU XUEQUAN, SUN HENG, ZHENG YONGSHUN, WANG JIUCHEN
• Format: Patent
• Language: Chinese; English
• Published: 24.10.2023
• Subjects: HAND TOOLS; MANIPULATORS; PERFORMING OPERATIONS; PORTABLE POWER-DRIVEN TOOLS; TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING; TRANSPORTING

The utility model relates to the technical field of replacement and maintenance of valve flange gaskets, in particular to a butterfly type valve flange gasket positioner for gasket installation and positioning, which comprises positioning pieces with different specifications, the two positioning pieces with the same specification are oppositely arranged on the outer side of a flange, and an installation holding handle is arranged at the top end of each positioning piece. The two sides of the installation holding handle are connected with outer side limiting arcs, the radian of the outer side limiting arcs is matched with the outer radian of a flange, the two outer side limiting arcs are connected with inner side limiting arcs respectively, the two inner side limiting arcs are connected with inner side positioning columns respectively, the other sides of the inner side positioning columns are connected with bolt receding grooves, and the inner side positioning columns are connected with wave tooth composite ga