A kind of for tubing intert connect unilateral-hole seal sleeve

A kind of for tubing intert connect unilateral-hole seal sleeve

  • CN 102,261,471 B
  • Filed: 05/16/2011
  • Issued: 12/23/2015
  • Est. Priority Date: 05/16/2011
  • Status: Active Grant
First Claim
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1. one kind for tubing intert connect unilateral-hole seal sleeve, comprise the stuffing box gland body (1) that one end can be inserted in described Unilateral-hole, described stuffing box gland body (1) the other end offers the jack (11) that can be socketed with tubing, the opening of described jack (11) is provided with the catch edge (12) coordinated with described Unilateral-hole, it is characterized in that:

  • described catch edge (12) is provided with the first flexible seal ring (2) in upper end, described first flexible seal ring (2) is provided with a circle can be pressed in crush seal portion (21) between tubing and catch edge (12) circumferential fitting surface, described crush seal portion (21) be provided with the easy grafting inclined-plane (102) matched between described catch edge (12), described catch edge (12) is provided with second flexible seal ring (3) that can be pressed in Unilateral-hole opening in lower end surface.

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