CN215908580U

CN215908580U - Large-diameter anti-cracking PE plastic pipe

Info

Publication number: CN215908580U
Application number: CN202121243252.9U
Authority: CN
Inventors: 高立廷; 杨海同; 刘少鹏
Original assignee: Hebei Qianming Plastic Products Co ltd
Current assignee: Hebei Qianming Plastic Products Co ltd
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-02-25
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a large-diameter anti-cracking PE (polyethylene) plastic pipe which comprises a pipe main body, wherein an inner structural layer is arranged on the inner end face of the pipe main body, reinforcing ribs are arranged on the inner end face of the inner structural layer, reinforcing cores are arranged in the reinforcing ribs, an anti-explosion layer is arranged on the outer end face of the inner structural layer, a protective layer is arranged on the outer end face of the anti-explosion layer, the reinforcing ribs are annular PE strips, the reinforcing ribs are arranged at equal intervals along the extending direction of the pipe main body, the cross sections of the reinforcing ribs are of a trapezoidal structure, arch grooves are formed in the inner end face of each reinforcing rib, the reinforcing cores are annular steel wires, the number of the reinforcing cores is two, and the anti-explosion layer is a net-shaped structural layer formed by weaving nylon fibers. According to the utility model, the reinforcing ribs are added in the pipeline main body, so that the external pressure resistance of the pipeline main body is enhanced, the explosion-proof layer is clamped in the pipeline main body, so that the internal pressure resistance of the pipeline main body is enhanced, the structure is simple, and the production cost is lower.

Description

Large-diameter anti-cracking PE plastic pipe

Technical Field

The utility model belongs to the technical field of plastic pipes, and particularly relates to a large-caliber anti-cracking PE plastic pipe.

Background

The plastic pipeline in China develops rapidly and the quality is improved continuously. Plastic pipe industries mainly including polyvinyl chloride (PVC-U) pipes, Polyethylene (PE) pipes, and polypropylene (PP-R) pipes have been primarily formed. Among them, Polyethylene (PE) pipes are widely used in building water supply, building drainage, buried drainage pipes, building heating, gas distribution, gas transmission pipes, electrical and telecommunication protective sleeves, industrial pipes, agricultural pipes, etc. due to their unique advantages. It is mainly applied to urban water supply, urban gas supply and farmland irrigation.

The authorization notice number CN211083138U discloses a large-caliber anti-cracking PE plastic pipe, which comprises a PE plastic pipe body and a filling layer, wherein a convex reinforcing rib is arranged on the outer wall of the PE plastic pipe body; the filling layer consists of a PE outer layer and a PE inner layer, and the PE inner layer is arranged on the inner side of the PE outer layer; the PE outer layer consists of a wear-resistant layer, an anti-cracking layer, a toughening layer and a heat-insulating layer, the anti-cracking layer is arranged on the inner side of the wear-resistant layer, the toughening layer is arranged on the inner side of the anti-cracking layer, and the heat-insulating layer is arranged on the inner side of the toughening layer; the PE inner layer consists of a temperature-resistant anticorrosive layer, a shock absorption layer and a heat insulation coating layer, the shock absorption layer is arranged on the inner side of the heat insulation coating layer, and the temperature-resistant anticorrosive layer is arranged on the inner side of the shock absorption layer; the inner chamber of buffer layer sets up damping device, and damping device is by fixed block, first connecting rod, rotation axis, second connecting rod and damping spring, and the one end of first connecting rod and second connecting rod all is connected with the rotation axis, and the other end of first connecting rod and second connecting rod all is connected with the fixed block, and damping spring's both ends all are connected with the fixed block.

Above-mentioned a heavy-calibre crack control type PE plastic tubing that discloses, this plastic tubing structure is complicated, and the wall thickness is too thick to lead to the pipeline cost of cost too high, and the installation degree of difficulty promotes greatly, consequently needs the lower simple structure's of an early knot heavy-calibre crack control type PE plastic tubing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large-diameter anti-cracking PE plastic pipe, and aims to solve the problems that the large-diameter anti-cracking PE plastic pipe in the prior art is complex in structure and high in production cost.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a heavy-calibre crack control type PE plastic tubing, includes pipeline main part, pipeline main part's interior terminal surface is provided with inner structure layer, inner structure layer's interior terminal surface is provided with the strengthening rib, be provided with in the strengthening rib and reinforce the core, inner structure layer's outer terminal surface is provided with the explosion-proof layer, the outer terminal surface of explosion-proof layer is provided with the inoxidizing coating.

Preferably, the reinforcing ribs are circular-ring-shaped PE strips, the reinforcing ribs are arranged at equal intervals along the extending direction of the pipeline main body, and the reinforcing ribs strengthen the structural strength of the pipeline main body, so that the pressure resistance of the pipeline main body is improved.

Preferably, the cross section of the reinforcing rib is of a trapezoidal structure, the inner end face of the reinforcing rib is provided with an arch-shaped groove, the arch-shaped groove is stable in structure, the reinforcing rib can bear larger pressure, and the production cost of the reinforcing rib is saved.

Preferably, the reinforcing cores are annular steel wires, the number of the reinforcing cores is twice that of the reinforcing ribs, and the reinforcing cores enhance the supporting strength of the reinforcing ribs.

Preferably, the explosion-proof layer is the reticular structure layer that nylon fiber woven formed, and when pipeline main part internal pressure was too big, the outer terminal surface of explosion-proof layer constraint inner structure avoided its deformation to take place greatly to burst, and the material is frivolous can not lead to the pipe wall too thick.

Preferably, the protective layer is made of polytetrafluoroethylene, has strong acid and alkali resistance and corrosion resistance, has high structural strength, and can effectively protect the pipeline main body.

Preferably, the thickness of the reinforcing rib is about one third to one fourth of the wall thickness of the pipeline main body, and the over-thin structure has insufficient strength and the over-thick structure affects the flow rate of the pipeline.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the reinforcing ribs are added in the pipeline main body, so that the external pressure resistance of the pipeline main body is enhanced, the explosion-proof layer is clamped in the pipeline main body, so that the internal pressure resistance of the pipeline main body is enhanced, the structure is simple, and the production cost is lower.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is an enlarged view of the utility model at a in fig. 1.

In the figure: 1 pipeline main body, 11 inner structure layers, 12 reinforcing ribs, 121 reinforcing cores, 13 explosion-proof layers and 14 protective layers.

Detailed Description

Referring to fig. 1, the large-diameter anti-cracking PE plastic pipe comprises a pipe body 1, an inner structural layer 11 is disposed on an inner end surface of the pipe body 1, a reinforcing rib 12 is welded on the inner end surface of the inner structural layer 11, a reinforcing core 121 is embedded in the reinforcing rib 12, an anti-explosion layer 13 is glued on an outer end surface of the inner structural layer 11, and a protective layer 14 is poured on an outer end surface of the anti-explosion layer 13.

Referring to fig. 1, the reinforcing ribs 12 are circular ring-shaped PE strips, the reinforcing ribs 12 are arranged at equal intervals along the extending direction of the pipeline main body 1, the reinforcing ribs 12 reinforce the structural strength of the pipeline main body 1, so as to improve the pressure resistance of the pipeline main body, the explosion-proof layer 13 is a mesh-shaped structure layer woven by nylon fibers, when the internal pressure of the pipeline main body 1 is too high, the explosion-proof layer 13 binds the outer end surface of the inner structure, so as to avoid the deformation of the inner structure from bursting, the material is light and thin, the pipe wall cannot be too thick, the protective layer 14 is made of polytetrafluoroethylene, and has strong acid and alkali resistance and corrosion resistance, and high structural strength, and the pipeline main body 1 can be effectively protected.

Referring to fig. 2, the section of the reinforcing rib 12 is a trapezoid structure, the inner end surface of the reinforcing rib 12 is provided with an arch-shaped groove, the arch-shaped groove has a stable structure and can bear a larger pressure, and the production cost of the reinforcing rib 12 is saved, the reinforcing core 121 is an annular steel wire, the number of the reinforcing cores 121 is twice that of the reinforcing ribs 12, the supporting strength of the reinforcing rib 12 is enhanced by the reinforcing core 121, the thickness of the reinforcing rib 12 is about one third to one fourth of the wall thickness of the pipeline main body 1, the structural strength is insufficient when the reinforcing rib is too thin, and the pipeline flow is affected when the reinforcing rib is too thick.

The working principle of the scheme is as follows: according to the utility model, the reinforcing ribs 12 are added in the pipeline main body 1, so that the external pressure resistance of the pipeline main body 1 is enhanced, the explosion-proof layer 13 is clamped in the pipeline main body 1, so that the internal pressure resistance of the pipeline main body 1 is enhanced, the structure is simple, and the production cost is low.

Claims

1. The utility model provides a heavy-calibre crack control type PE plastic tubing, includes pipeline main part (1), its characterized in that: the pipeline comprises a pipeline main body (1) and is characterized in that an inner structural layer (11) is arranged on the inner end face of the pipeline main body (1), reinforcing ribs (12) are arranged on the inner end face of the inner structural layer (11), reinforcing cores (121) are arranged in the reinforcing ribs (12), an anti-explosion layer (13) is arranged on the outer end face of the inner structural layer (11), and a protective layer (14) is arranged on the outer end face of the anti-explosion layer (13).

2. The large-caliber anti-cracking PE plastic pipe as claimed in claim 1, wherein: the reinforcing ribs (12) are annular PE strips, and the reinforcing ribs (12) are arranged at equal intervals along the extending direction of the pipeline main body (1).

3. The large-caliber anti-cracking PE plastic pipe as claimed in claim 1, wherein: the section of the reinforcing rib (12) is of a trapezoidal structure, and an arch-shaped groove is formed in the inner end face of the reinforcing rib (12).

4. The large-caliber anti-cracking PE plastic pipe as claimed in claim 1, wherein: the reinforcing cores (121) are annular steel wires, and the number of the reinforcing cores (121) is twice that of the reinforcing ribs (12).

5. The large-caliber anti-cracking PE plastic pipe as claimed in claim 1, wherein: the explosion-proof layer (13) is a net-shaped structure layer woven by nylon fibers.

6. The large-caliber anti-cracking PE plastic pipe as claimed in claim 1, wherein: the protective layer (14) is made of polytetrafluoroethylene.