发明名称 GATE VALVE
摘要 PROBLEM TO BE SOLVED: To improve sealing property for a passage by surely sealing the passage. SOLUTION: This gate valve has a valve rod 24 displacing under a driving action of a cylinder mechanism 44, guide shafts 70a, 70b for guiding the valve rod 24, a valve disc 26 for opening and closing a passage 32 under the displacing action of the valve rod 24, a rack 98 which is connected with the valve rod 24 and displaces integrally with the valve rod 24, pinions 100a, 100b which are freely rotatably journaled by a body of equipment 76 and are engaged with the rack 98 and bearing members 106a, 106b which are connected with the valve disc 26 and have formed male screw parts screwed into female screw parts formed on inner peripheral surfaces of the pinions 100a, 100b.
申请公布号 JP2001173805(A) 申请公布日期 2001.06.29
申请号 JP19990363062 申请日期 1999.12.21
申请人 SMC CORP 发明人 WARATANI KENJI;ISHIGAKI TSUNEO
分类号 F16K3/18;F16K3/02;F16K3/20;F16K31/54;F16K51/02;(IPC1-7):F16K3/18 主分类号 F16K3/18
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