CN212745359U

CN212745359U - High-strength HDPE double-wall corrugated pipe

Info

Publication number: CN212745359U
Application number: CN202021520177.1U
Authority: CN
Inventors: 李福立; 张晓东; 林明佳
Original assignee: Sumpin Xiamen New Material Technology Co ltd
Current assignee: Sumpin Xiamen New Material Technology Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-19
Anticipated expiration: 2030-07-28

Abstract

The utility model discloses a high-strength HDPE double-wall corrugated pipe, which comprises a double-wall corrugated pipe body, wherein the surface of the double-wall corrugated pipe body is provided with a high-strength layer, and the surface of the high-strength layer is provided with an anti-corrosion layer; the high strength layer comprises a polyoxymethylene plastic layer. The utility model discloses a set up the high strength layer, the polyformaldehyde plastic layer, race the steel sheet plastic layer, polyether ether ketone layer, the corrosion resistant layer, the rich zinc lacquer layer of epoxy, chloroethylene lacquer layer and polyurethane lacquer layer are mutually supported, the advantage that improves HDPE double-walled bellows intensity and corrosion resisting property has been reached, when making HDPE double-walled bellows receive the collision, can effectual improvement HDPE double-walled bellows intensity, prevent that HDPE double-walled bellows from appearing the collision damage, the life of HDPE double-walled bellows has been prolonged, simultaneously can effectual improvement HDPE double-walled bellows's corrosion resisting property, prevent that HDPE double-walled bellows from appearing the corrosion damage, the life of HDPE double-walled bellows has been prolonged.

Description

High-strength HDPE double-wall corrugated pipe

Technical Field

The utility model relates to a bellows technical field specifically is a high strength HDPE double-walled bellows.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along the folding and stretching direction, is widely applied to instruments and meters, is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force, has a thin pipe wall and high sensitivity, has a measuring range of dozens of Pa to dozens of MPa, is fixed at an opening end, is in a free state at a sealing end, and utilizes an auxiliary spiral spring or a reed to increase elasticity.

The prior HDPE double-wall corrugated pipe has the following defects: the existing HDPE double-wall corrugated pipe is poor in strength, so that when the HDPE double-wall corrugated pipe is collided, the HDPE double-wall corrugated pipe is easily damaged by collision, the service life of the HDPE double-wall corrugated pipe is shortened, meanwhile, the corrosion resistance of the HDPE double-wall corrugated pipe is poor, the HDPE double-wall corrugated pipe is easily damaged by corrosion when being used for a long time, and the service life of the HDPE double-wall corrugated pipe is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a high strength HDPE double-walled bellows possesses the advantage that improves HDPE double-walled bellows intensity and corrosion resisting property, and it is relatively poor to have solved current HDPE double-walled bellows intensity, when leading to HDPE double-walled bellows to receive the collision, appears the collision damage easily, and the corrosion resisting property of HDPE double-walled bellows is relatively poor simultaneously, leads to HDPE double-walled bellows when long-term the use, appears the problem of corrosion damage easily.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a high-strength HDPE double-wall corrugated pipe comprises a double-wall corrugated pipe body, wherein a high-strength layer is arranged on the surface of the double-wall corrugated pipe body, and a corrosion-resistant layer is arranged on the surface of the high-strength layer;

the high-strength layer comprises a polyformaldehyde plastic layer, the surface of the polyformaldehyde plastic layer is connected with a steel sheet plastic layer in an adhering mode, and the surface of the steel sheet plastic layer is connected with a polyether-ether-ketone layer in an adhering mode;

the corrosion-resistant layer comprises an epoxy zinc-rich paint layer, a vinyl chloride paint layer is coated on the surface of the epoxy zinc-rich paint layer, and a polyurethane paint layer is coated on the surface of the vinyl chloride paint layer.

Preferably, the high-strength layer has a diameter greater than that of the double-walled corrugated pipe body, and the corrosion-resistant layer has a diameter greater than that of the high-strength layer.

Preferably, the thicknesses of the polyformaldehyde plastic layer, the steel sheet plastic layer and the polyether-ether-ketone layer are the same, and the thicknesses of the epoxy zinc-rich paint layer, the vinyl chloride paint layer and the polyurethane paint layer are the same.

Preferably, the thickness of the double-wall corrugated pipe body is greater than that of the high-strength layer, and the thickness of the double-wall corrugated pipe body is greater than that of the corrosion-resistant layer.

Preferably, the inner wall of the polyformaldehyde plastic layer is bonded with the surface of the double-wall corrugated pipe body, and the inner wall of the epoxy zinc-rich paint layer is coated on the surface of the polyetheretherketone layer.

(III) advantageous effects

Compared with the prior art, the utility model provides a high strength HDPE double-walled bellows possesses following beneficial effect:

1. the utility model discloses a set up the high strength layer, the polyformaldehyde plastic layer, race the steel sheet plastic layer, polyether ether ketone layer, the corrosion resistant layer, the rich zinc lacquer layer of epoxy, chloroethylene lacquer layer and polyurethane lacquer layer are mutually supported, the advantage that improves HDPE double-walled bellows intensity and corrosion resisting property has been reached, when making HDPE double-walled bellows receive the collision, can effectual improvement HDPE double-walled bellows intensity, prevent that HDPE double-walled bellows from appearing the collision damage, the life of HDPE double-walled bellows has been prolonged, simultaneously can effectual improvement HDPE double-walled bellows's corrosion resisting property, prevent that HDPE double-walled bellows from appearing the corrosion damage, the life of HDPE double-walled bellows has been prolonged.

2. The utility model discloses a set up the high strength layer, polyformaldehyde plastic layer, match steel sheet plastic layer and polyether ether ketone layer and mutually support, play the effect that improves double-walled bellows body intensity, can effectual improvement double-walled bellows body intensity, prevent that double-walled bellows body from appearing the collision damage, the life of double-walled bellows body has been prolonged, through setting up corrosion resistant layer, the zinc-rich lacquer layer of epoxy, vinyl chloride lacquer layer and polyurethane lacquer layer mutually support, play the effect that improves double-walled bellows body corrosion resistance, can the effectual corrosion resistance who improves double-walled bellows body, prevent that double-walled bellows body from appearing corrosion damage, the life of double-walled bellows body has been prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the cross section of the internal structure of the high strength layer of the present invention;

fig. 3 is an enlarged view of the internal structure section of the corrosion-resistant layer of the present invention.

In the figure: 1. a double-walled bellows body; 2. a high-strength layer; 21. a polyformaldehyde plastic layer; 22. a steel plate plastic layer; 23. a polyetheretherketone layer; 3. a corrosion-resistant layer; 31. an epoxy zinc-rich paint layer; 32. a vinyl chloride paint layer; 33. and a polyurethane paint layer.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

All the components of the present invention are general standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.

Referring to fig. 1-3, a high-strength HDPE double-wall corrugated pipe comprises a double-wall corrugated pipe body 1, wherein a high-strength layer 2 is arranged on the surface of the double-wall corrugated pipe body 1, and a corrosion-resistant layer 3 is arranged on the surface of the high-strength layer 2;

the high-strength layer 2 comprises a polyformaldehyde plastic layer 21, the surface of the polyformaldehyde plastic layer 21 is bonded and connected with a stainless steel plate plastic layer 22, and the surface of the stainless steel plate plastic layer 22 is bonded and connected with a polyether-ether-ketone layer 23;

the corrosion-resistant layer 3 comprises an epoxy zinc-rich paint layer 31, a vinyl chloride paint layer 32 is coated on the surface of the epoxy zinc-rich paint layer 31, a polyurethane paint layer 33 is coated on the surface of the vinyl chloride paint layer 32, the diameter of the high-strength layer 2 is larger than that of the double-wall corrugated pipe body 1, the diameter of the corrosion-resistant layer 3 is larger than that of the high-strength layer 2, the thickness of the polyformaldehyde plastic layer 21, the thickness of the steel plastic layer 22 and the thickness of the polyether-ether-ketone layer 23 are the same, the thickness of the epoxy zinc-rich paint layer 31, the thickness of the vinyl chloride paint layer 32 and the thickness of the polyurethane paint layer 33 are the same, the thickness of the double-wall corrugated pipe body 1 is larger than that of the high-strength layer 2 and the thickness of the polyformaldehyde plastic layer 21 are larger than that of the corrosion-resistant layer 3, the inner wall of the polyf, The steel strip plastic layer 22 and the polyether-ether-ketone layer 23 are mutually matched to play a role in improving the strength of the double-wall corrugated pipe body 1, the strength of the double-wall corrugated pipe body 1 can be effectively improved, the collision damage of the double-wall corrugated pipe body 1 is prevented, the service life of the double-wall corrugated pipe body 1 is prolonged, the corrosion-resistant layer 3, the epoxy zinc-rich paint layer 31, the vinyl chloride paint layer 32 and the polyurethane paint layer 33 are mutually matched to play a role in improving the corrosion resistance of the double-wall corrugated pipe body 1, the corrosion resistance of the double-wall corrugated pipe body 1 can be effectively improved, the corrosion damage of the double-wall corrugated pipe body 1 is prevented, the service life of the double-wall corrugated pipe body 1 is prolonged, and the high-strength layer 2, the polyformaldehyde plastic layer 21, the steel strip plastic layer 22, the polyether-ether-, the advantage that improves HDPE double-walled bellows intensity and corrosion resisting property has been reached, when making HDPE double-walled bellows receive the collision, can effectual improvement HDPE double-walled bellows intensity, prevent that HDPE double-walled bellows from appearing collision damage, the life of HDPE double-walled bellows has been prolonged, simultaneously can effectual improvement HDPE double-walled bellows's corrosion resisting property, prevent that corrosion damage from appearing in HDPE double-walled bellows, the life of HDPE double-walled bellows has been prolonged.

During the use, through setting up high strength layer 2, polyformaldehyde plastic layer 21, match steel sheet plastic layer 22 and polyether ether ketone layer 23 and mutually support, play the effect that improves double-walled bellows body 1 intensity, can effectual improvement double-walled bellows body 1 intensity, prevent that collision damage from appearing in double-walled bellows body 1, the life of double-walled bellows body 1 has been prolonged, through setting up corrosion resistant layer 3, epoxy zinc-rich lacquer layer 31, vinyl chloride lacquer layer 32 and polyurethane lacquer layer 33 mutually support, play the effect that improves double-walled bellows body 1 corrosion resistance, can effectual improvement double-walled bellows body 1 corrosion resistance, prevent that corrosion damage from appearing in double-walled bellows body 1, the life of double-walled bellows body 1 has been prolonged, thereby the advantage of improvement HDPE double-walled bellows intensity and corrosion resistance has been reached.

The standard parts or materials used in the present application can be purchased from the market, the components in the present application can be customized according to the description of the specification and the accompanying drawings, the specific connection relationship between the material layers and the manufacturing materials are the prior art, and the detailed description is not provided herein.

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

Claims

1. A high strength HDPE double-wall corrugated pipe, includes double-wall corrugated pipe body (1), its characterized in that: the surface of the double-wall corrugated pipe body (1) is provided with a high-strength layer (2), and the surface of the high-strength layer (2) is provided with a corrosion-resistant layer (3);

the high-strength layer (2) comprises a polyformaldehyde plastic layer (21), the surface of the polyformaldehyde plastic layer (21) is bonded and connected with a stainless steel plate plastic layer (22), and the surface of the stainless steel plate plastic layer (22) is bonded and connected with a polyether-ether-ketone layer (23);

the corrosion-resistant layer (3) comprises an epoxy zinc-rich paint layer (31), the surface of the epoxy zinc-rich paint layer (31) is coated with a vinyl chloride paint layer (32), and the surface of the vinyl chloride paint layer (32) is coated with a polyurethane paint layer (33).

2. A high strength HDPE double wall corrugated pipe as claimed in claim 1 wherein: the diameter of the high-strength layer (2) is larger than that of the double-wall corrugated pipe body (1), and the diameter of the corrosion-resistant layer (3) is larger than that of the high-strength layer (2).

3. A high strength HDPE double wall corrugated pipe as claimed in claim 1 wherein: the thickness of polyoxymethylene plastic layer (21), stainless steel plastic layer (22) and polyether ether ketone layer (23) all is the same, the thickness of epoxy zinc-rich paint layer (31), vinyl chloride paint layer (32) and polyurethane paint layer (33) all is the same.

4. A high strength HDPE double wall corrugated pipe as claimed in claim 1 wherein: the thickness of the double-wall corrugated pipe body (1) is larger than that of the high-strength layer (2), and the thickness of the double-wall corrugated pipe body (1) is larger than that of the corrosion-resistant layer (3).

5. A high strength HDPE double wall corrugated pipe as claimed in claim 1 wherein: the inner wall of the polyformaldehyde plastic layer (21) is bonded and connected with the surface of the double-wall corrugated pipe body (1), and the inner wall of the epoxy zinc-rich paint layer (31) is coated on the surface of the polyether-ether-ketone layer (23).