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Ferrule type threading straight coupling

A straight-through joint and ferrule-type technology, which is applied in the direction of pipe/pipe joint/pipe fitting, passing element, sealing surface connection, etc., can solve the problems of unsatisfactory sealing effect and insufficient connection, and achieve good sealing and repeatability , reliable connection, safe and reliable work

Inactive Publication Date: 2012-11-21
TIANJIN MENGTE ELECTRIC INSTR PARTS MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing ferrule-type through-board straight-through joints often only have one ferrule, and the connection is not tight enough during use, and the sealing effect is not ideal

Method used

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  • Ferrule type threading straight coupling
  • Ferrule type threading straight coupling
  • Ferrule type threading straight coupling

Examples

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Such as Figure 1 to Figure 5 As shown, the present invention includes a joint body 1, two nuts 2 and two ferrules respectively located at both ends of the joint body 1, and the ferrules are split ferrules, including sub-ferrules A 3 and sub-ferrules B 4 . The sub-ferrule A 3 is a ring structure, and its cross section is an italic L-shaped structure. The ferrule B 4 is a ring structure, one end of its cross section matches the opening end of the L-shaped structure of the ferrule A 3 , and the other end is an inclined plane.

[0018] During use, take a steel pipe of appropriate length, remove the burrs at the port, and make the end face of the steel pipe perpendicular to the axis. Put the nut 2, ferrule A 3 and ferrule B 4 on the steel pipe. Apply lubricating oil to the thread of the joint body 1 and the ferrule, insert the steel pipe...

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Abstract

The invention provides a ferrule type threading straight coupling. The ferrule type threading straight coupling comprises a coupling body and two nuts and two ferrules respectively at both ends of the coupling body. Each ferrule is separated and comprises a sub ferrule A and a sub ferrule B. The sub ferrule A is a circular structure, the cross section of the sub ferrule A is an inclined L-shaped structure. The sub ferrule B is a circular structure, one end of the cross section of the sub ferrule B is matched with an opened end of the L-shaped structure of the sub ferrule A, and the other end of the cross section of the sub ferrule B is an inclined face. The ferrule type threading straight coupling provided by the invention has the beneficial effects that as the technical scheme is adopted, a steel pipe is inserted into the ferrules and locked by the nuts of the ferrules to lean against the ferrules which are sealed by being cut into the steel pipe, so that the ferrule type threading straight coupling provided by the invention has the advantages of firm connection, high sealing pressure endurance, good temperature resistance and repeatability, convenience in installation and maintenance, safe and reliable work and the like.

Description

technical field [0001] The invention relates to a straight-through joint, in particular to a ferrule-type through-board straight-through joint. Background technique [0002] The ferrule-type through-plate straight-through joint does not need to be welded when it is connected to the steel pipe, which is beneficial to fire prevention, explosion prevention and high-altitude operation, and can eliminate the disadvantages caused by inadvertent welding. Therefore, it is a relatively advanced connector in the pipelines of automatic control devices in oil refining, chemical and other systems. The existing ferrule-type through-board straight-through joint often has only one ferrule, and the connection is not tight enough during use, and the sealing effect is not ideal. Contents of the invention [0003] The purpose of the present invention is to provide a ferrule type through-board straight-through joint with reliable connection and good sealing performance. [0004] The technica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L19/02
Inventor 王贵军
Owner TIANJIN MENGTE ELECTRIC INSTR PARTS MFG CO LTD
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