Title:
PIPE CONNECTING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2019/204951
Kind Code:
A1
Abstract:
A pipe connecting structure, comprising: a first pipe (1) provide with an insertion end (a); and a second pipe (2) provided with a socket end (b). The socket end (b) sheaths outside the insertion end (a); a projecting limiting part (11) is provided along the outer circumferential wall of the insertion end (a); a flaring part (c) for the insertion end (a) to insert in is provided on the socket end (b); the flaring part (c) is deformed to be fitted onto the outer surface of the limiting part (11) to form a detent part (21) fixedly connected to the limiting part (11); an elastic sealing element (3), which is substantially in a shape of a tubular, is provided between the outer wall of the insertion end (a) and the inner war of the socket end (b); one end of the sealing element (3) sheaths the port portion of the insertion end (a), and the other end of the sealing element extends along the inner wall surface of the socket end (b) to a direction away from the port of the insertion end (a).
Inventors:
GONG YUEQIANG (CN)
Application Number:
PCT/CN2018/000241
Publication Date:
October 31, 2019
Filing Date:
July 04, 2018
Export Citation:
Assignee:
ZHEJIANG COMPRESSED FLUID TRANS ENGINEERING CO LTD (CN)
International Classes:
F16L21/03; F16L13/14
Foreign References:
| CN108386628A | 2018-08-10 | |||
| CN206145309U | 2017-05-03 | |||
| CN202646962U | 2013-01-02 | |||
| JPH09257164A | 1997-09-30 |
Attorney, Agent or Firm:
NINGBO CHANNEL PATENT ATTORNEYS OFFICE (CN)
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