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Connection tube of steel wire mesh framework composite tube and manufacturing method thereof

A technology for connecting pipe fittings and manufacturing methods, applied in the direction of pipes/pipe joints/pipe fittings, pipe connection layout, mechanical equipment, etc., can solve the problems of insufficient connection, low efficiency, high installation technical requirements, etc., and achieve good dimensional stability and interface High strength, safe and reliable connection

Inactive Publication Date: 2010-03-17
GUANGDONG LIANSU TECH INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing steel mesh skeleton polyethylene composite pipes are generally connected by electrofusion pipe fittings, and the electrofusion pipe fittings are separated from the composite pipes. The pressure value needs to be fully considered during the matching installation, and the disadvantage of insufficient connection is likely to occur when the flow rate increases. It has the disadvantages of high installation technical requirements and low efficiency

Method used

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  • Connection tube of steel wire mesh framework composite tube and manufacturing method thereof
  • Connection tube of steel wire mesh framework composite tube and manufacturing method thereof
  • Connection tube of steel wire mesh framework composite tube and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Such as figure 1 As shown, a piece of pipe with the same specification and material as the steel mesh composite pipe to be connected is used, and the electrofusion pipe fittings 2 are prefabricated at both ends of the pipe through the secondary injection molding process, so as to realize the straight-through joint after the pipe and the electrofusion are integrally formed. The main body of the straight-through joint is a steel mesh skeleton composite pipe main body 1 . The manufacturing method is as follows: a connecting pipe fitting (straight-through) of the steel wire mesh skeleton composite pipe, the main body is the steel wire mesh skeleton composite pipe, and the two ends of the pipe are electrically fused by injection molding technology. When in use, directly connect the pipes to be connected with the connecting pipe fittings, and then weld them by electrofusion.

Embodiment 2

[0018] Such as figure 2 As shown, the steel mesh skeleton composite pipe production process is adopted, and the steel mesh skeleton composite pipe 1 elbow (45°, 90° bend) is processed through a specially made mold; and then through the secondary injection molding process, at both ends of the elbow The electrofusion pipe fittings 2 are prefabricated respectively to realize the steel mesh skeleton composite pipe connection elbow after the elbow and the electrofusion pipe fitting 2 are integrally formed. The connecting pipe fittings (elbows) of the steel wire mesh skeleton composite pipe, the main body is the steel wire mesh skeleton composite pipe, and the two ends of it are electrofused by injection molding technology. When in use, directly connect the pipes to be connected with the connecting pipe fittings (elbows) and perform electrofusion welding.

Embodiment 3

[0020] Such as image 3 As shown, the technology of producing steel mesh skeleton composite pipes is adopted, and the tee connectors are processed through specially made molds; and then the electrofusion pipe fittings 2 are prefabricated at the connector ports through the secondary injection molding process to realize the tee and electrofusion pipe fittings. 2 The integrally formed steel wire mesh skeleton composite pipe is connected to the pipe fitting (tee). The connecting pipe fitting (tee) of the steel mesh skeleton composite pipe, the main body is the steel mesh skeleton composite pipe, which is electrofused to each port by injection molding technology. When in use, directly connect the pipes to be connected with the connecting pipe fittings (tees), and then weld them by electrofusion.

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Abstract

The invention relates to a connection tube of a steel wire mesh framework composite tube and a manufacturing method thereof. The connection tube of the steel wire mesh framework composite tube comprises a steel wire mesh framework composite tube main body (1) and electric welding fittings (2). The connection tube of the steel wire mesh framework composite tube is characterized in that each connection port of the steel wire mesh framework composite tube main body (1) and the electric melting tube (2) are fused into a whole by an injection molding technology. Because the electric melting tube and the steel wire mesh framework composite tube main body are formed integrally by a secondary injection molding process in advance, the size stability of the tube is better, and the defect of unreasonable contraction of the wall thickness, caused by the condition that the electric melting tube and a composite tube of the prior art are separated and can be installed only when being matched, is avoided; the invention can also regulate the formed tube secondarily to match with a size tolerance, the connection mode is safe and firm, and the interface strength is high.

Description

technical field [0001] The invention relates to the field of connection of pipe fittings, in particular to a connection pipe fitting of steel mesh skeleton composite pipe; the invention also relates to a manufacturing method of the connection pipe fitting. Background technique [0002] Steel mesh skeleton polyethylene composite pipe is a new type of composite structure wall pipe. It has the advantages of long service life, good pressure resistance and strong environmental adaptability. It is widely used in the field of water supply and gas supply. The existing steel mesh skeleton polyethylene composite pipes are generally connected by electrofusion fittings, which are separated from the composite pipes. The pressure value needs to be fully considered during the matching installation, and the disadvantage of insufficient connection is likely to occur when the flow rate increases. It has the disadvantages of high technical requirements for installation and low efficiency. Co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L47/03B29C45/14
Inventor 杨继跃
Owner GUANGDONG LIANSU TECH INDAL
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