CN219414004U

CN219414004U - High-performance three-layer co-extrusion PVC drain pipe

Info

Publication number: CN219414004U
Application number: CN202320619211.8U
Authority: CN
Inventors: 林专务; 蒋江淮; 陈仕泉; 杨华平
Original assignee: Quanzhou Xingyuan New Materials Technology Co ltd
Current assignee: Quanzhou Xingyuan New Materials Technology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-07-25
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a high-performance three-layer co-extrusion PVC drain pipe, which comprises a drain pipe body, wherein the drain pipe body comprises a base layer, the surface of the base layer is fixedly connected with a protective layer, the protective layer comprises a first toughness layer, the surface of the first toughness layer is fixedly connected with a second toughness layer, the surface of the protective layer is fixedly connected with a reinforcing layer, the surface of the reinforcing layer is fixedly connected with a first corrosion-resistant layer, and the surface of the first corrosion-resistant layer is fixedly connected with a second corrosion-resistant layer. According to the utility model, through the matched use of the drain pipe body, the base layer, the protective layer, the first toughness layer, the second toughness layer, the reinforcing layer, the first corrosion-resistant layer and the second corrosion-resistant layer, the function of high flushing resistance is realized, and the problems that the flushing resistance of the existing PVC drain pipe is poor, the flushing force of water flow on the pipe is large in the drainage process, and the crack is easy to occur after long-time use are solved.

Description

High-performance three-layer co-extrusion PVC drain pipe

Technical Field

The utility model relates to the technical field of drainage pipes, in particular to a high-performance three-layer co-extrusion PVC drainage pipe.

Background

The PVC drain pipe is produced with sanitary polyvinyl chloride (PVC) resin as main material, proper amount of stabilizer, lubricant, stuffing, color adding agent, etc. and through extrusion in plastic extruder and injection molding in injection molding machine, and through cooling, solidification, setting, inspection, packing and other steps.

The utility model provides a PVC drain pipe, the publication number of which is: CN212868936U, including the PVC tubular product body, be connected with fixed sleeve through the thread groove on the outer wall of PVC tubular product body port department, the port department of PVC tubular product body installs sealed ring, two tubular product locking structures of fixed sleeve's both ends symmetry fixedly connected with, however the washing resistance of the PVC drain pipe in this patent is relatively poor, in the drainage process, the pipeline receives the washing force of rivers great, the circumstances that the crack takes place to leak water easily appears after long-time use, the purpose of the utility model is that the function that the washing resistance is high can be realized, the practical effect is improved.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model aims to provide a high-performance three-layer co-extrusion PVC drain pipe, which realizes the function of high flushing resistance and solves the problems that the flushing resistance of the existing PVC drain pipe is poor, the flushing force of water flow on the pipe is large in the drainage process, and the crack is easy to occur after long-time use.

(II) technical scheme

The technical scheme is that the high-performance three-layer co-extrusion PVC drain pipe comprises a drain pipe body, wherein the drain pipe body comprises a base layer, a protective layer is fixedly connected to the surface of the base layer, the protective layer comprises a first toughness layer, a second toughness layer is fixedly connected to the surface of the first toughness layer, a reinforcing layer is fixedly connected to the surface of the protective layer, a first corrosion-resistant layer is fixedly connected to the surface of the reinforcing layer, and a second corrosion-resistant layer is fixedly connected to the surface of the first corrosion-resistant layer.

As a preferable scheme, the base layer is made of polyvinyl chloride resin, and the first toughness layer is made of reinforced nylon.

Preferably, the second toughness layer is made of polyamide, and the reinforcing layer is made of polyethylene.

Preferably, the first corrosion-resistant layer is made of polyurethane, and the second corrosion-resistant layer is made of PTFE coating.

As a preferable scheme, the thickness of the second toughness layer is the same as that of the first corrosion-resistant layer, and the inner cavity of the drain pipe body is provided with a through hole.

As the preferable scheme, the top and the bottom of drain pipe body all communicate there is the installation pipe, the inner chamber cover of installation pipe is equipped with the sealing washer.

(III) beneficial effects

Compared with the prior art, the utility model provides the high-performance three-layer co-extrusion PVC drain pipe, which has the following beneficial effects.

1. According to the utility model, through the matched use of the drain pipe body, the base layer, the protective layer, the first toughness layer, the second toughness layer, the reinforcing layer, the first corrosion-resistant layer and the second corrosion-resistant layer, the function of high flushing resistance is realized, and the problems that the flushing resistance of the existing PVC drain pipe is poor, the flushing force of water flow on the pipe is large in the drainage process, and the crack is easy to occur after long-time use are solved.

2. According to the utility model, the first toughness layer is made of reinforced nylon, so that the service toughness of the drain pipe body can be improved, the anti-scouring performance of the drain pipe body is improved, the second toughness layer is made of polyamide, the service toughness of the drain pipe body can be further improved, the reinforcing layer is made of polyethylene, the service strength of the drain pipe body can be improved, the drain pipe body can cope with different installation environments, the first corrosion-resistant layer is made of polyurethane, the corrosion resistance of the drain pipe body can be improved, the service life of the drain pipe body is prolonged, and the second corrosion-resistant layer is made of PTFE coating, so that the corrosion resistance of the drain pipe body can be further improved.

Drawings

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

FIG. 2 is a schematic view of the material composition of the drain body of the present utility model;

FIG. 3 is a schematic diagram showing the material composition of the protective layer according to the present utility model.

In the figure: 1. a drain pipe body; 101. a base layer; 102. a protective layer; 1021. a first ductile layer; 1022. a second ductile layer; 103. a reinforcing layer; 104. a first corrosion resistant layer; 105. a second corrosion resistant layer; 2. a through hole; 3. installing a pipe; 4. and (3) sealing rings.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, the present utility model: the utility model provides a high performance three-layer is crowded PVC drain pipe altogether, includes drain pipe body 1, drain pipe body 1 includes basic unit 101, and basic unit 101's fixed surface is connected with protective layer 102, and protective layer 102 includes first toughness layer 1021, and first toughness layer 1021's fixed surface is connected with second toughness layer 1022, and protective layer 102's fixed surface is connected with enhancement layer 103, enhancement layer 103's fixed surface is connected with first corrosion-resistant layer 104, and first corrosion-resistant layer 104's fixed surface is connected with second corrosion-resistant layer 105.

The base layer 101 is made of polyvinyl chloride resin, and the first toughness layer 1021 is made of reinforced nylon.

Through above-mentioned technical scheme, through setting up first toughness layer 1021 and adopting the reinforcing nylon material, reinforcing nylon has excellent intensity, and tensile strength, the bending strength of material have the improvement by a wide margin, can improve drain pipe body 1's use toughness, increase its scour performance.

The second ductile layer 1022 is made of polyamide, and the reinforcing layer 103 is made of polyethylene.

Through above-mentioned technical scheme, through setting up second toughness layer 1022 and adopting the polyamide material, polyamide has good comprehensive properties, including mechanical properties, heat resistance, abrasion resistance, chemical resistance, and coefficient of friction is low, has certain fire resistance, can further improve the service toughness of drain pipe body 1, adopts the polyethylene material through setting up enhancement layer 103, and polyethylene has good chemical stability, and the corruption of acid-proof, alkali, salt aqueous solution under normal atmospheric temperature can improve the service strength of drain pipe body 1, makes it can deal with different installation environment.

The first corrosion-resistant layer 104 is made of polyurethane, and the second corrosion-resistant layer 105 is made of PTFE coating.

Through above-mentioned technical scheme, through setting up first corrosion-resistant layer 104 and adopting the polyurethane material, polyurethane has performances such as chemical corrosion resistance, light in weight, wearability height, anti-staining, can improve the corrosion resistance of drain pipe body 1, prolongs its life.

The second ductile layer 1022 has the same thickness as the first corrosion-resistant layer 104, and the inner cavity of the drain pipe body 1 is provided with a through hole 2.

Through the above technical scheme, by arranging the second corrosion-resistant layer 105 to adopt the PTFE coating, PTFE has unique and excellent heat resistance of 180-260 ℃, low temperature resistance of-200 ℃, dielectric property and the like, has the highest working temperature of 260 ℃ and the best chemical stability, and can further improve the corrosion resistance of the drain pipe body 1.

The top and the bottom of drain pipe body 1 all communicate and have installation tube 3, and the inner chamber cover of installation tube 3 is equipped with sealing washer 4.

Through above-mentioned technical scheme, through setting up sealing washer 4, can improve the leakproofness when drain pipe body 1 connects.

The working principle of the utility model is that; the first toughness layer 1021 adopts the reinforcing nylon material, can improve the service toughness of drain pipe body 1, increases its scour resistance, and the second toughness layer 1022 adopts the polyamide material, can further improve the service toughness of drain pipe body 1, and enhancement layer 103 adopts the polyethylene material, can improve the service strength of drain pipe body 1, makes it can deal with different installation environment, and first corrosion-resistant layer 104 adopts the polyurethane material, can improve the corrosion resistance of drain pipe body 1, prolongs its life, and second corrosion-resistant layer 105 adopts the PTFE coating, can further improve the corrosion resistance of drain pipe body 1.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a high performance three-layer is crowded PVC drain pipe altogether, includes drain pipe body (1), its characterized in that: the drain pipe body (1) comprises a base layer (101), a protective layer (102) is fixedly connected to the surface of the base layer (101), the protective layer (102) comprises a first toughness layer (1021), a second toughness layer (1022) is fixedly connected to the surface of the first toughness layer (1021), a reinforcing layer (103) is fixedly connected to the surface of the protective layer (102), a first corrosion-resistant layer (104) is fixedly connected to the surface of the reinforcing layer (103), and a second corrosion-resistant layer (105) is fixedly connected to the surface of the first corrosion-resistant layer (104).

2. A high performance three layer co-extruded PVC drain pipe according to claim 1, wherein: the base layer (101) is made of polyvinyl chloride resin, and the first toughness layer (1021) is made of reinforced nylon.

3. A high performance three layer co-extruded PVC drain pipe according to claim 1, wherein: the second toughness layer (1022) is made of polyamide, and the reinforcing layer (103) is made of polyethylene.

4. A high performance three layer co-extruded PVC drain pipe according to claim 1, wherein: the first corrosion-resistant layer (104) is made of polyurethane, and the second corrosion-resistant layer (105) is made of PTFE coating.

5. A high performance three layer co-extruded PVC drain pipe according to claim 1, wherein: the thickness of the second toughness layer (1022) is the same as that of the first corrosion-resistant layer (104), and a through hole (2) is formed in the inner cavity of the drain pipe body (1).

6. A high performance three layer co-extruded PVC drain pipe according to claim 1, wherein: the top and the bottom of drain pipe body (1) all communicate and have installation pipe (3), the inner chamber cover of installation pipe (3) is equipped with sealing washer (4).