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Mechanical self-locking type connecting device for fluid material conveying pipeline

A technology for fluid materials and conveying pipelines, used in flange connections, mechanical equipment, pipes/pipe joints/fittings, etc., it can solve problems such as large bending moments, reduce flange and gasket sealing performance, etc. Strong sealing, improving the sealing effect of the connection

Pending Publication Date: 2017-08-01
WUHAN UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional flange seal is tightened by threaded connection, the flange itself will bear a large bending moment, and the internal pressure of the medium in the pipeline will make the sealing line loose along the axis during pressurized operation, thereby reducing the sealing performance of the flange and gasket

Method used

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  • Mechanical self-locking type connecting device for fluid material conveying pipeline
  • Mechanical self-locking type connecting device for fluid material conveying pipeline

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Experimental program
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Embodiment Construction

[0016] The technical solutions of the present invention will be described below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 with figure 2 As shown, a mechanical self-tightening fluid material conveying pipeline connection device according to the present invention includes a first socket 1 and a second socket 2, and the seal between the first socket 1 and the second socket 2 Ring 3, the outside of the first socket 1 and the second socket 2 is provided with a ferrule 4 for connecting the first socket 1 and the second socket 2, and the ferrule 4 is connected by a connecting piece 5 Fastening, the sealing ring 3 includes a basic ring 6, and a radial ring 7 surrounding the outer ring surface of the basic ring 6 and arranged along the radial direction of the basic ring 6, the radial ring 7 is provided with There is a positioning part 8; an annular groove 9 is provided on the inner surface of one end where the first hub 1 and the second...

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Abstract

The invention relates to the technical field of pipeline connection, in particular to a mechanical self-locking type connecting device for a fluid material conveying pipeline. The mechanical self-locking type connecting device comprises a first socket, a second socket and a sealing ring as well as a blocking sleeve for connecting the first socket to the second socket, wherein the blocking sleeve is connected and fastened through a connector; the sealing ring comprises a base ring as well as radial rings which surround the outer ring surface of the base ring and are arranged in the radial direction of the base ring, and positioning parts are arranged on the radial rings; ring-shaped grooves are formed in inner surfaces of the mutually connected ends of the two sockets, and positioning holes are formed in the end surfaces of the two sockets; the base ring is positioned in the grooves of the two sockets; the radial rings are positioned between the end surfaces of the two sockets; and the positioning parts are positioned in the positioning holes. The mechanical self-locking type connecting device has the advantages of having the self-locking effect, being capable of strengthening the sealing property, reducing bolt jacking force and prolonging the service life.

Description

technical field [0001] The invention relates to the technical field of pipeline connection, in particular to a mechanical self-tightening fluid material transportation pipeline connection device. Background technique [0002] Pipelines are an essential infrastructure for industrial production, and the connection of pipelines plays an important role in the safety of fluid material transportation. Flange is the most widely used pipe connection in the piping system connection devices of machinery, petroleum, chemical industry, water conservancy, electric power and other departments. It usually forms a sealing system together with gaskets and bolts. The traditional flange seal is tightened by threaded connection, the flange itself will bear a large bending moment, and the internal pressure of the medium in the pipeline will make the sealing line loose along the axis during pressurized operation, thereby reducing the sealing performance of the flange and the gasket. When install...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L23/18F16L23/20F16L23/024
CPCF16L23/024F16L23/18F16L23/20
Inventor 范晓明袁德裕卢晓斌
Owner WUHAN UNIV OF TECH
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