CN219453138U

CN219453138U - High-strength corrugated pipe

Info

Publication number: CN219453138U
Application number: CN202320459242.1U
Authority: CN
Inventors: 陈文辉
Original assignee: Jiangxi Pengyu Pipe Industry Technology Co ltd
Current assignee: Jiangxi Pengyu Pipe Industry Technology Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-01
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a high-strength corrugated pipe, which comprises an inner layer and an outer corrugated layer, wherein the outer corrugated layer is provided with a plurality of groups, the outer corrugated layer is uniformly arranged on the outer surface of the inner layer, the inner layer comprises a first anti-corrosion layer, a reinforcing layer, a flame-retardant layer and a second anti-corrosion layer, the reinforcing layer is arranged on the outer side of the first anti-corrosion layer, the flame-retardant layer is arranged on the outer side of the reinforcing layer, the second anti-corrosion layer is arranged on the outer side of the flame-retardant layer, the outer corrugated layer is arranged on the outer side of the second anti-corrosion layer, and the outer corrugated layer comprises a wear-resistant layer, an elastic layer, a buffer ring and a steel wire ring. According to the utility model, the first anti-corrosion layer and the second anti-corrosion layer are arranged, so that the inner side and the outer side of the corrugated pipe can be simultaneously subjected to anti-corrosion effect, the corrosion resistance of the corrugated pipe is improved, and the service life of the corrugated pipe is prolonged.

Description

High-strength corrugated pipe

Technical Field

The utility model relates to the technical field of corrugated pipes, in particular to a high-strength corrugated pipe.

Background

The corrugated pipe is a novel pipe with an annular structure outer wall and a smooth inner wall, has excellent chemical stability, ageing resistance, environmental stress cracking resistance and other performances, and is mainly applied to the fields of water delivery, water supply, drainage, pollution discharge, exhaust, subway ventilation, mine ventilation, farmland irrigation, petrochemical industry, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like. The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a diaphragm capsule, a metal hose and the like.

The existing corrugated pipe has some problems: when the corrugated pipe is used for conveying, the inside is easy to corrode, corrosion protection is needed, the traditional corrugated pipe only carries out corrosion protection on the inside, and the outside of the corrugated pipe is generally not protected from corrosion, so that the integral corrosion resistance of the corrugated pipe is reduced, in addition, the existing corrugated pipe has poor elastic capability when having pressure resistance, and the buffering effect on impact force is reduced. A high strength bellows is thus designed.

Disclosure of Invention

The present utility model is directed to a high strength bellows to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-strength corrugated pipe comprises an inner layer and an outer corrugated layer, wherein the outer corrugated layer is provided with a plurality of groups, the outer corrugated layers are uniformly arranged on the outer surface of the inner layer, the inner layer comprises a first anti-corrosion layer, a reinforcing layer, a flame-retardant layer and a second anti-corrosion layer, the reinforcing layer is arranged on the outer side of the first anti-corrosion layer, the flame-retardant layer is arranged on the outer side of the reinforcing layer, the second anti-corrosion layer is arranged on the outer side of the flame-retardant layer, and the outer corrugated layer is arranged on the outer side of the second anti-corrosion layer;

the outer ripple layer includes wearing layer, elastic layer, buffer ring and wire ring, the wearing layer sets up the surface of elastic layer, the elastic layer sets up the surface of second anticorrosion layer, the buffer ring sets up the inside of elastic layer, just the buffer ring cladding sets up the surface of wire ring.

Preferably, the first corrosion protection layer and the second corrosion protection layer are both epoxy resin layers.

Preferably, the flame retardant layer is a magnesium hydroxide layer, and the reinforcing layer is a steel wire mesh layer.

Preferably, the first corrosion protection layer, the second corrosion protection layer, the reinforcing layer, and the flame retardant layer have the same thickness.

Preferably, the elastic layer is provided as a rubber layer, and the buffer ring is provided as a rubber ring.

Preferably, the wear-resistant layer is a polyurethane elastomer layer, and the thickness of the wear-resistant layer is 1-3mm.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first anti-corrosion layer and the second anti-corrosion layer are arranged, so that the inner side and the outer side of the corrugated pipe can be simultaneously subjected to anti-corrosion effect, the corrosion resistance of the corrugated pipe is improved, and the service life of the corrugated pipe is prolonged;

2. according to the utility model, the tensile strength of the corrugated pipe can be increased by arranging the reinforcing layer, so that the fracture preventing capability of the corrugated pipe is increased, and meanwhile, the inner side of the flame retardant layer can be subjected to flame retardant effect by arranging the flame retardant layer, so that the fire spreading capability is reduced, and the safety of the inner side of the flame retardant layer is increased;

3. according to the utility model, the wear-resistant layer, the elastic layer, the buffer ring and the steel wire ring are arranged, so that the wear-resistant capability of the surface is improved by using the wear-resistant layer, and the impact force can be buffered by using the elastic layer, the buffer ring and the steel wire ring, and the compression resistance effect can be achieved, so that the protection effect of the corrugated pipe is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

fig. 3 is a cross-sectional view of fig. 1 of the present utility model.

In the figure: 1. an inner layer; 11. a first corrosion protection layer; 12. a reinforcing layer; 13. a flame retardant layer; 14. a second anti-corrosion layer; 2. an outer corrugated layer; 21. a wear-resistant layer; 22. an elastic layer; 23. a buffer ring; 24. a steel wire ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the high-strength corrugated pipe comprises an inner layer 1 and an outer corrugated layer 2, wherein the outer corrugated layer 2 is provided with a plurality of groups, the outer corrugated layer 2 of the plurality of groups is uniformly arranged on the outer surface of the inner layer 1, the inner layer 1 comprises a first anti-corrosion layer 11, a reinforcing layer 12, a flame-retardant layer 13 and a second anti-corrosion layer 14, the reinforcing layer 12 is arranged on the outer side of the first anti-corrosion layer 11, the flame-retardant layer 13 is arranged on the outer side of the reinforcing layer 12, the second anti-corrosion layer 14 is arranged on the outer side of the flame-retardant layer 13, and the outer corrugated layer 2 is arranged on the outer side of the second anti-corrosion layer 14;

the outer corrugated layer 2 comprises a wear-resistant layer 21, an elastic layer 22, a buffer ring 23 and a steel wire ring 24, wherein the wear-resistant layer 21 is arranged on the outer surface of the elastic layer 22, the elastic layer 22 is arranged on the outer surface of the second anti-corrosion layer 14, the buffer ring 23 is arranged in the elastic layer 22, and the buffer ring 23 is coated on the outer surface of the steel wire ring 24.

The first anticorrosive layer 11 and the second anticorrosive layer 14 are each provided as an epoxy resin layer; by arranging the epoxy resin layer, the inner side and the outer side of the corrugated pipe can be protected from corrosion, and the corrosion prevention effect is good.

The flame retardant layer 13 is a magnesium hydroxide layer, and the reinforcing layer 12 is a steel wire mesh layer; the magnesium hydroxide layer can play a good flame retardant role, the use safety is guaranteed, and the steel wire mesh layer can increase the integral strength of the corrugated pipe.

For convenience of processing, the first anticorrosive layer 11, the second anticorrosive layer 14, the reinforcing layer 12 and the flame retardant layer 13 have the same thickness.

In order to increase the elasticity, the elastic layer 22 is provided as a rubber layer, and the buffer ring 23 is provided as a rubber ring.

In order to increase the wear resistance of the outer corrugated layer 2 and increase the service life, the wear-resistant layer 21 is provided as a polyurethane elastomer layer, and the thickness of the wear-resistant layer 21 is 1-3mm.

Structural principle:

according to the utility model, the first anti-corrosion layer 11 and the second anti-corrosion layer 14 are arranged, so that the inner side and the outer side of the corrugated pipe can be simultaneously subjected to anti-corrosion effect, the corrosion resistance of the corrugated pipe is improved, and the service life of the corrugated pipe is prolonged; by arranging the reinforcing layer 12, the tensile strength of the corrugated pipe can be increased, so that the fracture preventing capability of the corrugated pipe is increased, meanwhile, the inner side of the flame retardant layer 13 can be subjected to flame retardant effect through the arranged flame retardant layer 13, the fire spreading capability is reduced, and the safety of the inner side of the flame retardant layer 13 is increased; through setting up wearing layer 21, elastic layer 22, buffer ring 23 and wire ring 24, utilize wearing layer 21 to increase surface abrasion resistance, utilize elastic layer 22, buffer ring 23 and wire ring 24, not only can cushion the impact force, can play the compressive action moreover to the protection effect of bellows has been improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high strength bellows, characterized in that: the anti-corrosion composite material comprises an inner layer (1) and an outer corrugated layer (2), wherein the outer corrugated layer (2) is provided with a plurality of groups, the outer corrugated layer (2) is uniformly arranged on the outer surface of the inner layer (1), the inner layer (1) comprises a first anti-corrosion layer (11), a reinforcing layer (12), a flame-retardant layer (13) and a second anti-corrosion layer (14), the reinforcing layer (12) is arranged on the outer side of the first anti-corrosion layer (11), the flame-retardant layer (13) is arranged on the outer side of the reinforcing layer (12), the second anti-corrosion layer (14) is arranged on the outer side of the flame-retardant layer (13), and the outer corrugated layer (2) is arranged on the outer side of the second anti-corrosion layer (14);

the outer corrugated layer (2) comprises a wear-resistant layer (21), an elastic layer (22), a buffer ring (23) and a steel wire ring (24), wherein the wear-resistant layer (21) is arranged on the outer surface of the elastic layer (22), the elastic layer (22) is arranged on the outer surface of the second anti-corrosion layer (14), the buffer ring (23) is arranged in the elastic layer (22), and the buffer ring (23) is coated on the outer surface of the steel wire ring (24).

2. A high strength bellows according to claim 1, wherein: the first anticorrosive layer (11) and the second anticorrosive layer (14) are both provided as epoxy resin layers.

3. A high strength bellows according to claim 1, wherein: the flame retardant layer (13) is a magnesium hydroxide layer, and the reinforcing layer (12) is a steel wire mesh layer.

4. A high strength bellows according to claim 1, wherein: the first corrosion protection layer (11), the second corrosion protection layer (14), the reinforcing layer (12) and the flame-retardant layer (13) have the same thickness.

5. A high strength bellows according to claim 1, wherein: the elastic layer (22) is provided as a rubber layer, and the buffer ring (23) is provided as a rubber ring.

6. A high strength bellows according to claim 1, wherein: the wear-resistant layer (21) is a polyurethane elastomer layer, and the thickness of the wear-resistant layer (21) is 1-3mm.