快速切断闸阀,申请号CN93211453.9-传众专利搜索

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发明名称	快速切断闸阀
摘要	本实用新型属于老式楔形闸板闸阀的结构改进，其特征在于闸阀密封机构采用两块楔式闸板和两块楔式涨块等组件，阀体内闸板与涨块通过T形槽连接，两涨块与阀杆通过T形槽连接并以阀杆下端球面定心。其优点是启闭速度快、省力、密封性好、结构新颖合理、重量轻、使用安全可靠、寿命长，适用于气体、液体介质输送管道的紧急切断或泄放，并可进行远距离自动程控。
申请公布号	CN2169746Y	申请公布日期	1994.06.22
申请号	CN93211453.9	申请日期	1993.04.26
申请人	黄瑞祥	发明人	黄瑞祥;黄瑞斌
分类号	F16K3/12;F16K31/122	主分类号	F16K3/12
代理机构		代理人
主权项	1、一种快速切断闸阀，具有阀体、阀盖、阀杆、阀杆启闭机构及闸阀各构件之间密封装配连接件，其特征在于闸阀密封机构采用两块楔式闸板(3)与密封圈(5)活动配合，其楔角为10°，相应有两块楔式涨块(4)通过T形槽与楔式闸板(3)活动连接，两块涨块(4)的楔角为20°，两块涨块(4)同样通过T形槽与阀杆(8)活动连接，并以阀杆(8)下端的球面定心，可围绕球面自由转动。
地址	325802浙江省苍南县龙港镇人民南路913号

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