Throttling type bearing and inserting non-pad connection pipe

Throttling type bearing and inserting non-pad connection pipe

CN
  • CN 203,442,386 U
  • Filed: 06/21/2013
  • Issued: 02/19/2014
  • Est. Priority Date: 06/21/2013
  • Status: Active Grant
First Claim
Patent Images

1. throttle type socket joint connects a tubing without pad, it is characterized in that:

  • in one end of tubing, be provided with bellmouth, the other end be provided with can with the socket of bellmouth socket connection, one of the structure of described bellmouth and socket is following situations;

    1. described bellmouth is;

    the one end at tubing is provided with reamer, and the internal diameter of reamer is greater than the internal diameter of tubing, and on the internal surface of reamer, axially spaced-apart is provided with several independent annular rings;

    Described socket is;

    at the outer surface of the other end of tubing, be provided with the convex annular edge of position-limiting action, convex annular is along being outward extended with cutting graftage part, and the external diameter of cutting graftage part and the internal diameter of the independent annular ring on bellmouth closely cooperate;

    2. described bellmouth is;

    the one end at tubing is provided with reamer, and the internal diameter of reamer is greater than the internal diameter of tubing;

    Described socket is;

    the convex annular edge that has been provided with position-limiting action at the outer surface of the other end of tubing, convex annular is along being outward extended with cutting graftage part, on the external cylindrical surface of cutting graftage part, axially spaced-apart is provided with several independent annular bead, and the external diameter of independent annular bead and the internal diameter of bellmouth closely cooperate.

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