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Drain pipe joint

A technology for drain pipes and pipe fittings, applied in the direction of pipe/pipe joint/pipe fitting, sleeve/socket connection, through components, etc., can solve the problem of leakage of the connection part, no sealing measures, etc., to avoid leakage and no power supply. and welding equipment, the effect of saving materials

Inactive Publication Date: 2010-01-13
无锡金羊管件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The common defect of these connection methods is: there is no sealing measure when connecting, therefore, in the process of use, leakage may occur at the joint of the two drainage pipes.

Method used

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Examples

Experimental program
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Embodiment Construction

[0012] As shown in the figure: a drainage pipe joint, including a pipe fitting 9 and a pipe material 1, is characterized in that: the end of the pipe material 1 is inserted into the end of the pipe fitting 9, and the end of the pipe material 1 is provided with an inward shrinkage Segment 8, the first expansion section 7 that expands outward is arranged on the position corresponding to the pipe shrinkage section 8 on the pipe fitting 9; the minimum outer diameter of the pipe shrink section 8 is slightly larger than the inner diameter of the pipe fitting 9, so The end of the pipe fitting 9 is provided with an inwardly shrinking pipe fitting shrinkage section 2, the smallest inner diameter of the pipe fitting shrinkage section 2 is larger than the outer diameter of the pipe material 1, and a space is formed at the overlapping portion of the pipe material 1 and the pipe fitting 9, and in the space Rubber sealing ring 3 is arranged inside.

[0013] At the end of the first expansion...

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Abstract

The invention relates to a drain pipe joint, in particular to a drain pipe joint for a siphon principle, a vacuum principle and a gravity principle. According to the technical scheme of the invention, the drain pipe joint comprises a pipe fitting and a pipe stock and is characterized in that the end part of the pipe stock is inserted into the end part of the pipe fitting; the end part of the pipe stock is provided with a contracting section which contracts inwards; the pipe fitting is provided with a first expanding section which expands outwards and corresponds to the contracting section of the pipe stock; the minimum outside diameter of the pipe stock contracting section is slightly longer than the inside diameter of the pipe fitting; the end part of the pipe fitting is provided with a pipe fitting contracting section which contracts inwards, and the minimum inside diameter of the pipe fitting contracting section is longer than the outside diameter of the pipe fitting; space is formed at an overlaid part of the pipe stock and the pipe fittings, and the space is provided with a rubber sealing ring. The invention can enhance the sealing effect of the connection of drain pipes and simplify the installation process.

Description

technical field [0001] The invention relates to a drainage pipe joint, in particular to a drainage pipe joint applicable to the principles of siphon, vacuum and gravity. Background technique [0002] Drainage pipes such as domestic sewage are mostly installed on buildings. In the prior art, the connection between the drainpipes usually only uses a simple method to connect the two drainage pipes together; Stainless steel is welded on site, and plastic is melted on site. The common defect of these connection modes is: there is no sealing measure when connecting, therefore, in the process of use, leakage occurs at the junction of two drainage pipes very likely. Contents of the invention [0003] The purpose of the present invention is to design a drainpipe joint to improve the sealing effect of the drainpipe connection and simplify the installation process. [0004] According to the technical solution provided by the present invention, the drainage pipe joint includes a pip...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/02
Inventor 王锡铭袁雪峰陆小弟胡大军沈峰胡国栋
Owner 无锡金羊管件有限公司
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