Wear-resistant reinforced reducer joint

A variable diameter joint and reinforcement technology, which is applied in the direction of pipes/pipe joints/fittings, threaded connections, passing components, etc., can solve problems such as internal wear and loosening, and achieve the effects of preventing loosening, maintaining stability, and being easy to use

Pending Publication Date: 2018-11-23
江苏迪威高压科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, due to the fact that one end of the reducing joint in the prior art is an inner thread, the internal wear is serious, and due to the structur

Method used

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  • Wear-resistant reinforced reducer joint

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Effect test

Embodiment

[0022] A wear-resistant and reinforced variable diameter joint, comprising a variable diameter joint body 1, the top of the variable diameter joint body 1 is provided with an inner wire 2, the bottom is provided with an outer wire 3, and the middle part axially passes through a channel 4, the channel 4 The top of the inner sleeve 5 is also provided with a connecting groove 6 between the inner sleeve 5 and the inner wire 2. The top of the outer surface of the variable diameter joint body 1 is provided with a number of first pressing arms 8, and the first The pressing arm 8 is rotationally connected with the reducing joint body 1 through the torsion spring 7, and the free end of the first pressing arm 8 is provided with a first pressing head 9; Two compression arms 10, the second compression arm 10 is rotatably connected with the variable diameter joint body 1 through the torsion spring 7, the free end of the second compression arm 10 is provided with a second compression head 11...

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Abstract

The invention discloses a wear-resistant reinforced reducer joint, which comprises a reducer joint body. The top of the reducer joint body is provided with an inner wire, the bottom of the reducer joint body is provided with an outer wire, a passage axially penetrates through the middle of the reducer joint body, the top of the passage is provided with an inner sleeve, a connecting slot is formedbetween the inner sleeve and the inner wire, a plurality of first pressure arms are arranged on the top of the outer surface of the reducer joint body and are rotatably connected to the reducer jointbody by torsion springs, and the free ends of the first pressure arms are provided with first pressure heads; the middle part of the outer surface of the reducer joint body is provided with a plurality of second pressure arms, the second pressure arms are rotatably connected with the reducer joint body through torsion springs, the free ends of the second pressure arms are provided second pressureheads, the first pressure arms applies pressure to the top of the reducer joint body, and the second pressure arms applies pressure to the bottom of the reducer joint body. The wear-resistant reinforced reducer joint has good wear resistance, is unlikely to loose, and has good structural stability.

Description

technical field [0001] The invention belongs to the technical field of reducing joints, and in particular relates to a wear-resistant and reinforced reducing joint. Background technique [0002] Reducer joints are generally processed by cutting and forging hexagonal rods. There are many types of threads used. It is an internal and external threaded pipe fitting that connects two pipes with different diameters. It plays an irreplaceable role in pipe connection. [0003] The variable diameter joint is a kind of part, which is widely used in domestic large-scale power station supporting projects, seawater, steam, cold water, hot water, oxygen, drinking water, refrigeration, oil, gas, medical gas sewage treatment projects, municipal engineering, chemical industry, oil refining, metallurgy , chemical fertilizer, paper making, medicine and other industries. Reducing joints are used when the diameter of the water pipe needs to be reduced. The threaded connection can be easily con...

Claims

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Application Information

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IPC IPC(8): F16L15/08
CPCF16L15/08
Inventor 艾建中
Owner 江苏迪威高压科技股份有限公司
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