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    • 10. 发明公开
    • PIPE JOINT LOCKING DEVICE
    • ROHRVERBINDUNGSVERRIEGELUNGSVORRICHTUNG
    • EP1959180A1
    • 2008-08-20
    • EP06811560.9
    • 2006-10-11
    • Fujikin Incorporated
    • TSUBOTA, KenjiYAMAJI, Michio
    • F16L19/00F16L15/00
    • F16L19/005F16L19/0286F16L19/046F16L27/0832Y10T70/5628Y10T70/5637Y10T70/5867
    • There is provided a pipe joint locking device which prevents accidental loosening of a pipe joint after tightening and with which a sealing property of a seal portion of the pipe joint is not impaired even if a force for rotating a pipe member acts on the pipe member.
      The device is formed of: a first component member 11 including a mounting portion 21 to be mounted to a joint member 2 having an external thread while prevented from relative rotation, a cover portion 22 to be brought into contact with an outer peripheral face of a cap nut 5 from a lower side, and a coupling portion 23 to be brought into contact with a pipe member 3 from the lower side; and a second component member 12 including a cover portion 31 to be brought into contact with the outer peripheral face of the cap nut 5 from an upper side and a coupling portion 32 to be brought into contact with the pipe member 3 from the upper side. The coupling portion 23 of the first component member 11 and the coupling portion 32 of the second component member 12 are coupled to be fixed to a portion 3a of the pipe member 3 protruding from the cap nut 5.
    • 提供了一种管接头锁定装置,其防止在紧固之后管接头的意外松动,并且管接头的密封部分的密封性能即使在管件旋转的作用力作用在管件上也不会受到损害。 该装置由以下部件构成:第一部件部件11,其包括安装在具有外螺纹的接头部件2上的安装部21,防止其相对转动;盖部22,与外周面相接触; 盖子螺母5从下侧,以及联接部23,其从下侧与管构件3接触; 以及第二构件构件12,其包括从上侧与盖螺母5的外周面接触的盖部31和从上侧与管构件3接触的联接部32。 第一部件11的连接部23和第二部件12的连接部32被联接固定在从盖螺母5突出的管部件3的部分3a。