CN211599785U

CN211599785U - Winding pipe is moulded to hollow wall steel in FRPVC double-deck

Info

Publication number: CN211599785U
Application number: CN202020169618.1U
Authority: CN
Inventors: 郭素丽; 梁祖伟
Original assignee: Shanghai Weitai Industrial Development Co ltd
Current assignee: Shanghai Weitai Industrial Development Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-09-29
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses a winding pipe is moulded to FRPVC double-deck cavity wall steel, including the drain pipe body, the drain pipe body comprises inlayer plastic conduit and outer FRP pipe way, inlayer plastic conduit is formed by the section bar winding, the section bar comprises the section bar body, two extension strips and two arc draw-in grooves, two the opposite face of extending the strip all is equipped with arc draw-in groove assorted arc card strip, outer FRP pipe way is formed by glass fiber and resin winding, be equipped with coupling mechanism, two between inlayer plastic conduit and the outer FRP pipe way extend strip and section bar body integrated into one piece. The utility model discloses rational in infrastructure, form inlayer plastic conduit through the winding of section bar body, inlayer plastic conduit outside is fluted, forms outer FRP pipe way through glass fiber in addition the resin winding, closely twines the laminating through adhesive and recess between inlayer plastic conduit and the outer FRP pipe way, is difficult for the layering, and stability is more sufficient.

Description

Winding pipe is moulded to hollow wall steel in FRPVC double-deck

Technical Field

The utility model belongs to the technical field of the drain pipe, a winding pipe is moulded to hollow wall steel in FRPVC double-deck is related to.

Background

Composite drain pipes have been formed by sheathing a pipe of thermosetting plastic (glass fiber reinforced plastic) and a pipe of thermoplastic PVC; there are also composite cable ducts formed by bonding together thermosetting plastic (glass reinforced plastic) and PVC pipes indirectly via an intermediate bonding layer.

After the pipe is placed for a period of time, the inner pipe and the outer pipe are cracked and layered, the diameter of the inner pipe is shrunk by 2-3mm, the length of the inner pipe of the composite pipe with the length of 6 m is shortened by 1-3 cm compared with that of the outer pipe, the inner pipe is easy to separate from the outer pipe under a certain stress condition, and certain defects exist, so that the FRPVC double-layer hollow-wall steel-plastic winding pipe is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a winding pipe is moulded to double-deck cavity wall steel of FRPVC, the unstable problem of inner tube and outer union coupling among the solution prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a winding pipe is moulded to FRPVC double-deck cavity wall steel, includes the drain pipe body, the drain pipe body comprises inlayer plastic conduit and outer FRP pipe way, inlayer plastic conduit is formed by the section bar winding, the section bar comprises the section bar body, two extension strips and two arc draw-in grooves, two the opposite face of extension strip all is equipped with arc draw-in groove assorted arc card strip, outer FRP pipe way is formed by glass fiber and resin winding, be equipped with coupling mechanism between inlayer plastic conduit and the outer FRP pipe way.

Preferably, two of said extension strips are integrally formed with the profile body.

Preferably, the two arc-shaped clamping strips and the two extending strips are integrally formed.

Preferably, the connecting mechanism comprises a plurality of grooves arranged on the outer wall of the inner plastic pipeline, and the inner plastic pipeline and the outer glass fiber reinforced plastic pipeline are tightly wound and attached through an adhesive and the grooves.

Compared with the prior art, the utility model, its beneficial effect does:

form inlayer plastic conduit through the winding of section bar body, inlayer plastic conduit outside is fluted, forms outer FRP pipe way through glass fiber in addition the resin winding, closely twines the laminating through adhesive and recess between inlayer plastic conduit and the outer FRP pipe way, and difficult layering, stability is more sufficient.

Drawings

FIG. 1 is a structural cross-sectional view of an FRPVC double-layer hollow-wall steel-plastic winding pipe provided by the utility model;

fig. 2 is the structural schematic diagram of the middle-sized material body of the FRPVC double-layer hollow-wall steel-plastic winding pipe provided by the utility model.

In the figure: 1, a drain pipe body, 11 outer layer glass fiber reinforced plastic pipelines, 111 glass fibers, 112 resin, 12 inner layer plastic pipelines, 121 profile bodies, 122 extending strips, 123 arc clamping strips, 124 arc clamping grooves and 125 grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, the FRPVC double-layer hollow wall steel-plastic winding pipe comprises a drain pipe body 1, wherein the drain pipe body 1 is composed of an inner plastic pipe 12 and an outer glass steel pipe 11, the inner plastic pipe 12 is formed by winding a section bar, and the section bar is made of engineering plastics with high toughness, high strength, good creep resistance and corrosion resistance; the section bar comprises section bar body 121, two extension strips 122 and two arc draw-in grooves 124, two opposite faces that extend strip 122 all are equipped with arc draw-in groove 124 assorted arc card strip 123, two extend strip 122 and section bar body 121 integrated into one piece, two arc card strips 123 and two extension strips 122 integrated into one piece, as shown in fig. 2, two adjacent section bars can be connected and the junction scribbles the adhesive through arc card strip 123 and extension strip 122, practical section bar can twine and form inner layer plastic conduit 12.

The outer layer glass fiber reinforced plastic pipeline 11 is formed by winding glass fiber 111 and resin 112, a connecting mechanism is arranged between the inner layer plastic pipeline 12 and the outer layer glass fiber reinforced plastic pipeline 11, the connecting mechanism comprises a plurality of grooves 125 arranged on the outer wall of the inner layer plastic pipeline 12, and the grooves 125 are arranged on the outer wall of the section bar; the inner plastic pipeline 12 and the outer glass fiber reinforced plastic pipeline 11 are tightly wound and attached through the adhesive and the groove 125, the adhesive is a special waterproof adhesive for plastics, and the adhesive is diversified and can be obtained from the market.

The utility model discloses in, form inlayer plastic conduit 12 through the section bar winding, inlayer plastic conduit 12 outside is fluted 125, forms outer FRP pipe way 11 through glass fiber 111 and the winding of resin 112, closely twines the laminating through adhesive and recess 125 between inlayer plastic conduit 12 and the outer FRP pipe way 11, is difficult for the layering, and the steadiness is more sufficient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a winding pipe is moulded to two-layer cavity wall steel of FRPVC, includes drain pipe body (1), its characterized in that, drain pipe body (1) comprises inlayer plastic conduit (12) and outer FRP pipe way (11), inlayer plastic conduit (12) is formed by the section bar winding, the section bar comprises section bar body (121), two extension strip (122) and two arc draw-in groove (124), two the opposite face of extending strip (122) all is equipped with arc card strip (123) with arc draw-in groove (124) assorted, outer FRP pipe way (11) are formed by glass fiber (111) and resin (112) winding, be equipped with coupling mechanism between inlayer plastic conduit (12) and outer FRP pipe way (11).

2. An FRPVC double-layer hollow wall steel-plastic winding pipe according to claim 1, characterized in that the two extension strips (122) are integrated with the section bar body (121).

3. An FRPVC double-layer hollow wall steel-plastic winding pipe according to claim 1, characterized in that the two arc-shaped clamping strips (123) and the two extension strips (122) are integrally formed.

4. The FRPVC double-layer hollow-wall steel-plastic winding pipe as claimed in claim 1, wherein the connection mechanism comprises a plurality of grooves (125) arranged on the outer wall of the inner plastic pipeline (12), and the inner plastic pipeline (12) and the outer glass fiber reinforced plastic pipeline (11) are tightly wound and attached to the grooves (125) through an adhesive.