Connecting device of drain pipe

A connecting device and drainage pipe technology, which is applied in the direction of sleeve/socket connection, pipe/pipe joint/pipe fitting, passing element, etc., can solve the problems of cracking, easy deformation of pipe, uneven connection strength of electric heating belt, etc., and reduce labor Strength, overcoming uneven connection strength, relatively low cost effect

Inactive Publication Date: 2009-09-23
SHANGHAI JIUTONG PLASTIC PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The advantage of implementing this technology is that it overcomes the defects of uneven

Method used

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  • Connecting device of drain pipe

Examples

Experimental program
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Effect test

Embodiment 1

[0010] See attached figure 1 , the material of the connecting pipe (3) is a winding pipe, and the annular grooves (4) provided at both ends of the inner cavity of the connecting pipe (3) are respectively fixed with rubber sealing rings (2), and the winding pipes at both ends of the connecting pipe (3) ( 1), (5) are respectively inserted into the connecting pipe (3), and the winding pipes (1), (5) pass through and squeeze the sealing ring (2) in the annular groove (4) to achieve sealing.

Embodiment 2

[0012] See attached figure 1 , the material of the connecting pipe (3) is a straight wall pipe, and the annular grooves (4) provided at both ends of the inner cavity of the connecting pipe (3) are respectively fixed with rubber sealing rings (2), and the winding pipes at both ends of the connecting pipe (3) (1), (5) are respectively inserted into the connecting pipe (3), and the winding pipes (1), (5) pass through and squeeze the sealing ring (2) in the annular groove (4) to achieve sealing.

Embodiment 3

[0014] See attached figure 1 , the material of the connecting pipe (3) is cast iron pipe, the annular grooves (4) provided at both ends of the inner chamber of the connecting pipe (3) are respectively fixed with rubber sealing rings (2), and the winding pipes at both ends of the connecting pipe (3) ( 1), (5) are respectively inserted into the connecting pipe (3), and the winding pipes (1), (5) pass through and squeeze the sealing ring (2) in the annular groove (4) to achieve sealing.

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PUM

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Abstract

The invention discloses a connecting device of a drain pipe, which comprises structures of wrapped drain pipes and sealing rings. Two ends of a straight connecting pipe are provided with annular grooves which can be embedded in the sealing ring; the cross-sectional shape of each annular groove can be a structure of square, trapezoid and semicircle; the connecting pipe can be a wrapped pipe, a straight wall pipe or a cast-iron pipe; and two ends of the connecting pipe are provided with 2 to 8 annular grooves which can be embedded in rubber sealing rings. The technology has the advantages of overcoming the defects of easy deformation and cracking of the pipe caused by uneven bonding strength of an electric-heating fusion band, is suitable for construction in various environments, particularly suitable for operations in water environment, has convenient connection and lower relative cost, and reduces the labor intensity of the operations.

Description

1. Technical field: [0001] The invention relates to a drainage pipe connection device, which relates to the technical field of socket connection pipe fittings for hollow-wall winding pipes, and is used for buried drainage pipes. 2. Background technology: [0002] In existing drainage projects, underground drainage pipes are buried, and hollow-walled winding pipes are used as buried pipes. The connection methods include electric melting belt connection, pipe clamp connection, heat shrink connection, flange connection, etc., and some connection methods are relatively strong. Good, but the connection is difficult and the process is complicated. There are also some connection methods that are not suitable for water-carrying operations, and the settlement of some connected winding pipes may easily cause deformation and cracking of the pipes. cracking. 3. Contents of the invention: [0003] The purpose of the present invention is to overcome the above-mentioned defects, improv...

Claims

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Application Information

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IPC IPC(8): F16L21/03
Inventor 黄文武
Owner SHANGHAI JIUTONG PLASTIC PROD
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