The engagement state managing device of pipe joint structure, seal member, the engagement state management method of pipe fitting and pipe fitting

The engagement state managing device of pipe joint structure, seal member, the engagement state management method of pipe fitting and pipe fitting

  • CN 105,593,591 B
  • Filed: 09/29/2014
  • Issued: 09/18/2018
  • Est. Priority Date: 10/09/2013
  • Status: Active Grant
First Claim
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1. a kind of pipe joint structure, the end for the pipe for being formed in the side being interconnected receiving port inside inserted with formationSocket in the end of the pipe of another party, and it is provided with seal member between the receiving port and the socket, which connectsHeader structure is characterized in that,There is the seal member heel and globular part, the heel to be embedded in the recess portion in the inner peripheral portion formation of the receiving port,The globular part is compressed between the inner peripheral surface of the receiving port and the peripheral surface of the pipe of described another party, described recessed being contained inThe heel in portion is provided with flag member, when the heel is embedded in the recess portion, the mark in terms of the axis direction of pipeNote component is fully located in the recess portion, and the peripheral surface using a kind of detection device in the pipe of described another party connects from face of describedOne-time detection is carried out to the flag member in a non-contact manner along the axis direction of pipe by the side of mouth, described in determinationWhether heel is embedded in the recess portion.

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