发明申请
- 专利标题: PIPE JOINT
- 专利标题(中): 管接头
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申请号: US13320145申请日: 2010-05-07
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公开(公告)号: US20120068454A1公开(公告)日: 2012-03-22
- 发明人: Tamaki Hamaguchi , Tomoyuki Minami , Fumitaka Satoh , Takaaki Inotani , Fumikazu Ishibe , Satoru Araki , Youichi Uchiumi , Takuji Okiayu , Akihiro Hattori
- 申请人: Tamaki Hamaguchi , Tomoyuki Minami , Fumitaka Satoh , Takaaki Inotani , Fumikazu Ishibe , Satoru Araki , Youichi Uchiumi , Takuji Okiayu , Akihiro Hattori
- 申请人地址: JP Minato-ku, Tokyo JP Kawaguchi-shi, Saitama JP Minato-ku, Tokyo
- 专利权人: HITACHI METALS LTD.,SANKOH CO., LTD.,TOKYO GAS CO., LTD.
- 当前专利权人: HITACHI METALS LTD.,SANKOH CO., LTD.,TOKYO GAS CO., LTD.
- 当前专利权人地址: JP Minato-ku, Tokyo JP Kawaguchi-shi, Saitama JP Minato-ku, Tokyo
- 优先权: JP2009-114695 20090511
- 国际申请: PCT/JP2010/057832 WO 20100507
- 主分类号: F16L55/00
- IPC分类号: F16L55/00 ; F16L19/00 ; F16L21/00
摘要:
A pipe joint comprising a pressing nut into which a flexible pipe is inserted, a joint body into which the pressing nut is partially inserted, a resilient means unlocked when pushed by a tip end of the flexible pipe, a sealing member, a retainer engaging the flexible pipe, and an engaging mechanism keeping the pressing nut at a predetermined position in the joint body; the engaging mechanism comprising a stop ring, an annular groove formed on an outer surface of the pressing nut for receiving the stop ring, pluralities of engaging grooves formed on an inner surface of the joint body for receiving the stop ring and communicating with each other; the stop ring engaging both of the annular groove and the first engaging groove before the connection of the flexible pipe is completed; and when the flexible pipe is pulled after completing the connection, the stop ring moving from the first engaging groove to the second engaging groove to draw the pressing nut from the joint body, so that the normal connection of the flexible pipe can be confirmed.
公开/授权文献
- US09182061B2 Pipe joint 公开/授权日:2015-11-10