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Sealing ring for composite steel pipe connection

A technology of composite steel pipe and sealing ring, which is applied in the direction of engine sealing, sleeve/socket connection, pipe/pipe joint/pipe fitting, etc. Achieve the effect of ensuring hygienic indicators, prolonging service life, and ensuring safe transportation

Inactive Publication Date: 2016-03-30
江苏众信绿色管业科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the technical problems in the prior art that when the composite steel pipes are connected, the end faces of the steel pipes are exposed to water, causing the galvanic corrosion of the steel pipes, resulting in water pollution, water leakage of the pipelines, and shortening the service life of the pipelines, the invention provides a composite steel pipe connection. sealing ring

Method used

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  • Sealing ring for composite steel pipe connection
  • Sealing ring for composite steel pipe connection
  • Sealing ring for composite steel pipe connection

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Embodiment Construction

[0020] In order to better understand the technical features, technical content and technical effects of the present invention, the accompanying drawings of the present invention will now be described in more detail in conjunction with the embodiments.

[0021] Below in conjunction with accompanying drawing and embodiment the patent of the present invention is further described.

[0022] The invention provides a sealing ring for composite steel pipe connection, which includes a supporting frame 2 and a sealing body 1. When in use, the supporting frame 2 is fixedly connected with the inner wall of the sealing body 1, and the sealing body 1 includes a The inner sealing surface 11 in the mouth and the end sealing surface 12 integrally formed with the inner sealing surface 11, the inner sealing surface 11 is two, symmetrically arranged on both sides of the end sealing surface 12. The sealing body 1 is made of food-grade rubber.

[0023] The included angle between the inner sealing...

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Abstract

The invention relates to a sealing ring for composite steel pipe connection. The sealing ring comprises a supporting framework and a sealing body, wherein the sealing body comprises two inner sealing surfaces inserted into a pipe orifice of a composite steel pipe and an end-face sealing surface integrally formed with the inner sealing surfaces, and the two inner sealing surfaces are symmetrically arranged on the two sides of the end-face sealing surface. The sealing ring solves the technical problems that the end face of the steel pipe is exposed in water when the composite steel pipe in the prior art is connected, and the steel pipe is galvanically corroded; as a result, the water quality is polluted, the pipe leaks water, and the service life of the pipe is shortened.

Description

technical field [0001] The invention relates to a sealing ring, in particular to a sealing ring for connecting composite steel pipes. Background technique [0002] In order to improve the quality of drinking water and prevent some elements harmful to human body from entering drinking water due to long-term corrosion of the inner wall of metal pipe fittings by water and endangering human health, stainless steel water delivery pipes have been widely used. At present, the connection of ≥80mm stainless steel-lined composite pipes generally adopts the groove clamp connection method. This connection method is safe and reliable, and the construction is simple and the construction cost is low. However, the stainless steel-lined composite pipe is a new type of composite steel pipe. Directly adopting the connection method of the traditional groove clamp cannot prevent its end face from contacting the water of the conveying medium. After the end face is in contact with the conveying...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/00F16J15/10
CPCF16L21/00F16J15/104
Inventor 孟宪虎贺忠臣
Owner 江苏众信绿色管业科技有限公司
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