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专利号:ZL200620049504.3专利权人:上海梅山钢铁股份有限公司发明(设计)人:胡秋平刘龙彪本实用新型涉及一种阀门的启闭机构,特别涉及一种在地面上直接操作的地下阀门的地上启闭机构。解决埋地式阀门需要较大的阀门井、阀门井易积雨水及污泥、操作不易的问题。本实用新型技术方案为:一种地下阀门的地上启闭机构,包括阀体固定件、阀杆连接件、操纵杆和杠杆,阀体固定件为一实体锥台或是空心锥台,空心锥台
Patent number: ZL200620049504.3 Patentee: Shanghai Meishan Iron & Steel Co., Ltd. Inventor: Hu Qiuping Liu Longbiao The utility model relates to a valve opening and closing mechanism, in particular, relates to a direct operation of the underground valve on the ground Ground hoist mechanism. To solve the buried valve requires a larger valve wells, valve wells easy accumulation of rain and sludge, easy to operate. The technical scheme of the utility model is an underground opening and closing mechanism of an underground valve, which comprises a valve body fixing piece, a valve rod connecting piece, a joystick and a lever, the valve body fixing piece is a solid cone or a hollow cone, station