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1. 发明授权

US4872643A Valve 失效
标题翻译：阀
公开(公告)号：US4872643A
公开(公告)日：1989-10-10
申请号：US324899
申请日：1989-03-17
申请人： Yi C. Lo
发明人： Yi C. Lo
IPC分类号： F16K31/528
CPC分类号： F16K31/528 , Y10S251/90
摘要： A valve including a primary tube, a secondary tube, a piston-like element, a pin, and a rotatable control ferrule. Two reduced diameter portions are formed on one end of the primary tube, in which the outer portion with a threaded outer surface has a smaller diameter, and the intermediate portion has a larger diameter. Two slots are formed on the opposite sides of the intermediate portion. The secondary tube has a threaded bore for making a threaded connection with the outer portion of the primary tube. The piston-like element is composed of a head and a rod with a transverse hole near its free end. The pin is slidably located in the hole of the rod. A control ferrule is rotatably disposed between the primary and the secondary tubes on the outer periphery surface. Two guide slots are formed in the annular inner surface of the control ferrule for receiving and guiding both ends of the pin in order to control the vertical movement of the piston-like element.
摘要翻译：一种包括主管，二次管，活塞状元件，销和可旋转控制套圈的阀。在主管的一端形成有两个直径减小的部分，其中具有螺纹外表面的外部具有较小的直径，并且中间部分具有较大的直径。在中间部分的相对侧上形成两个槽。二次管具有用于与主管的外部部分进行螺纹连接的螺纹孔。活塞状元件由头部和杆，其自由端附近具有横向孔。销可滑动地位于杆的孔中。控制套圈可旋转地设置在外周面上的主管和次管之间。在控制套圈的环形内表面上形成两个引导槽，用于接收和引导销的两端，以便控制活塞状元件的垂直运动。

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