CN2485504Y

CN2485504Y - Water delivery duct

Info

Publication number: CN2485504Y
Application number: CN 01243285
Authority: CN
Inventors: 房晓伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-06-01
Filing date: 2001-06-01
Publication date: 2002-04-10
Anticipated expiration: 2011-06-01

Abstract

The utility model relates to a water delivery duct which comprises a base layer, an inner film and an outer film respectively coated on the inner surface and on the outer surface of the base layer by high pressure. The phenomenon of water leaking does not happen for the both surfaces of the base layer are coated with films. The base layer has a high intensity and a good wearing quality, can resist the water pressure, and does not leak any water for both surfaces are coated with films. The structure can achieve a better performance property to reduce the cost and lighten the weight. The water delivery duct can be folded for convenience of transportation and storage. For the joint of the pipe can sequentially keep a distance away form the surface of the pipe and the pipe can be lifted through a lifting hole opened on the pipe, the utility model is not only suitable for be used in flat areas, but also convenient for being laid along different landforms and fixed optionally to reduce the halfway bending of the pipe and shorten the water transfer process.

Description

A kind of stainless steel lining plastic pipe

The utility model relates to a kind of composite water pipe.

Existing is earlier binding agent to be coated on the plastic core pipe by the bonding stainless composite water pipe of plastic core pipe outer lining of binding agent, wrap corrosion resistant plate then, by welding the docking port of corrosion resistant plate is connected and fixed at last and forms, this kind stainless steel lining plastic pipe, there is a gap between plastic core pipe and Stainless Steel Tube, though this gap is by sealing that binding agent is filled, the high temperature that is produced during owing to welding makes binding agent easily

Decompose, charing, make binding agent lose the performance that is adhesively fixed, infiltration in the pipe is penetrated in the gap between plastic core pipe and Stainless Steel Tube, cause breed bacteria in the gap, the health of drinking water in the influence pipe.

That goal of the invention of the present utility model is to provide is very close to each other between a kind of plastic core pipe and Stainless Steel Tube, binding agent is bonding firmly, infiltration can not penetrate into the stainless steel lining plastic pipe between plastic core pipe and Stainless Steel Tube.

The utility model is to realize like this, comprise Stainless Steel Tube outside plastic core pipe of plastic core pipe, outer lining, be positioned at the binding agent between plastic core pipe and Stainless Steel Tube, its specialization be Stainless Steel Tube by drawing, the extruding lock ring on plastic core pipe, like this, the internal diameter of Stainless Steel Tube is slightly littler than the external diameter of plastic core pipe.

Because plastic core pipe itself just has the elasticity of wriggling, and the Stainless Steel Tube internal diameter after drawing that is socketed on the plastic core pipe is slightly littler than the external diameter of plastic core pipe, make after the drawing Stainless Steel Tube tightly lock ring on plastic core pipe, avoided producing the gap between plastic core pipe and Stainless Steel Tube, and, binding agent is also easy crosslinking curing after the extruding that is subjected between plastic core pipe and Stainless Steel Tube, even in use experience the cold and hot variation of surrounding environment, binding agent also can be bonding firmly with plastic core pipe and Stainless Steel Tube, and the natural phenomenon that prevents cold shrinkage and thermal expansion makes between plastic core pipe and Stainless Steel Tube and produces the gap.Therefore, the utility model compared with the prior art, have very close to each other between plastic core pipe and Stainless Steel Tube, binding agent is bonding firmly, infiltration can not penetrate into the advantage between plastic core pipe and Stainless Steel Tube.

Fig. 1 is a structural representation of the present utility model.

Now in conjunction with the accompanying drawings and embodiments the utility model is described in further detail:

As shown in the figure, the utility model mainly by Stainless Steel Tube 2 outside plastic core pipe 1 of plastic core pipe 1, outer lining, be positioned at the binding agent 3 of 2 of plastic core pipe 1 and Stainless Steel Tubes, its specialization be Stainless Steel Tube 2 by drawing, the extruding lock ring on plastic core pipe 1, like this, the internal diameter of Stainless Steel Tube 2 is slightly littler than the external diameter of plastic core pipe 1.

Claims

1, a kind of stainless steel lining plastic pipe comprises Stainless Steel Tube outside plastic core pipe of plastic core pipe, outer lining, is positioned at the binding agent between plastic core pipe and Stainless Steel Tube, and the external diameter than plastic core pipe is little slightly to it is characterized in that the internal diameter of Stainless Steel Tube.