会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 41. 发明公开
    • Check valve
    • 止回阀
    • EP1398551A1
    • 2004-03-17
    • EP03077842.7
    • 2003-09-09
    • T L V Co., Ltd.
    • Yumoto, Hideaki
    • F16K5/06F16K15/06
    • F16K15/063Y10T137/7917Y10T137/7932Y10T137/7939
    • An inlet 2, a valve chest 3 having a diameter larger than that of the inlet 2, and an outlet 4 are formed in a valve casing 1. An annular valve seat 5 is formed between the inlet 2 and the valve chest 3. A valve element 6 for opening and closing the annular valve seat 5 is disposed within the valve chest 3. A valve stem 7 is projectingly provided on the inlet 2 side of the valve element 6.
      A guide member 12 with which an outer periphery of the valve stem 7 comes into sliding contact is provided at inner ends of ribs 9 and 10 which project into the valve chest 3 from an inner wall of the inlet 2. A recess 20 is formed in the valve element 6 to receive therein the ribs 9 and 10 projecting to the valve element 3 side and also receive the guide member 12.
    • 入口2,直径大于入口2的阀室3以及出口4形成在阀壳体1中。在入口2与阀室3之间形成有环形阀座5.阀 用于打开和关闭环形阀座5的元件6设置在阀室3内。阀杆7突出地设置在阀元件6的入口2侧。引导构件12,阀杆的外周 在肋9和10的内端设置有从入口2的内壁向阀室3内突出的滑动接触部7,7。在阀体6上形成有用于收容凸条9,10的凹部20 到阀元件3侧并且还接收引导构件12。