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Embedded port structure for high-pressure delivery pipelines

A technology of high-pressure conveying pipe and interface structure, applied in the direction of pipe/pipe joint/pipe fitting, sealing surface connection, passing element, etc., can solve the problems of complex sealing structure, pressure bearing and large stress of oil pipeline.

Active Publication Date: 2013-09-11
浙江西塘实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems of complex sealing structure and excessive stress of the pipe end structure of petroleum pipelines, and at the same time solve the problem of pressure bearing of petroleum pipelines, the invention provides an embedded interface structure of high-pressure transmission pipelines

Method used

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  • Embedded port structure for high-pressure delivery pipelines

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Embodiment Construction

[0013] Such as figure 1 As shown, a high-pressure delivery pipeline embedded interface structure described in the embodiment of the present invention includes an embedded pipe 1, an outer casing 2 and two pipe end structures 3, and the two pipe end structures 3 pass through the inner The embedded pipe 1 is connected, and the two ends of the embedded pipe are docked with the ends of the two pipe end structures 3, and the outside of each pipe end structure 3 is provided with threads, and the outer casing 2 is connected to the two pipe ends through threads. The structure 3 is connected, and the end side of each pipe end structure 3 is provided with a ring cut groove, and the two ends of the embedded pipe are respectively bonded with a ring-shaped plastic strip 5, and the outer surface of the ring-shaped plastic strip 5 The side is provided with a ring-shaped rib, and the ring-shaped rib is fitted with the ring cut groove of the pipe end structure 3 .

[0014] The middle part of ...

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Abstract

The invention discloses an embedded port structure for high-pressure delivery pipelines. The embedded port structure comprises an inner embedded pipe, an outer sleeve and two pipe-end structures. The two pipe-end structures are connected with each other by the inner embedded pipe, two ends of the inner embedded pipe are in butt joint with the ends of the two pipe-end structures, threads are arranged on the outside of each pipe-end structure, the outer sleeve is connected with the two pipe-end structures in a threaded manner, annularly cut grooves are formed in side surfaces of an end of each pipe-end structure, annular plastic strips are respectively adhered at the two ends of the inner embedded pipe, and annular ribs are arranged on the outer side surfaces of the annular plastic strips and are fittingly mounted with the annularly cut grooves of the pipe-end structures. The embedded port structure for the high-pressure delivery pipelines has the advantages that the two pipe-end structures are connected with each other by the outer sleeve, the annular plastic strips at the two ends of the inner embedded pipe are fittingly mounted with the annularly cut grooves, so that the two pipe-end structures can be hermetically connected with each other after the annular plastic strips are abutted to the annularly cut grooves.

Description

technical field [0001] The invention relates to an embedded interface structure of a high-pressure transmission pipeline, which belongs to the technical field of high-pressure transmission petroleum pipelines. Background technique [0002] The sealing problem after the oil pipeline is docked is a very important problem. In the prior art, flange joints are often used for connection and sealing. The tensile force transmitted to the flange is also easy to cause damage to the flange, so the requirements for the flange are relatively high. At the same time, due to the long-term high stress, the flange and the bolts used to connect the flange will inevitably produce fatigue stress after a period of use, so the longer the use time, the easier it is to be damaged. [0003] At the same time, due to the high-pressure and high-speed transportation of oil pipelines, the sealing performance of pipelines under high-pressure environments is also a technical problem faced by the existing t...

Claims

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Application Information

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IPC IPC(8): F16L19/02
Inventor 沈金章
Owner 浙江西塘实业有限公司
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