CN217583499U

CN217583499U - Cold-resistant and pressure-resistant PVC pipe

Info

Publication number: CN217583499U
Application number: CN202220724995.6U
Authority: CN
Inventors: 沈文伶; 何晶晶; 史肖肖; 于俊玲; 栗锁亮; 杨卫东; 张傲
Original assignee: Hebei Chensheng Plastic Products Co ltd
Current assignee: Hebei Chensheng Plastic Products Co ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-10-14
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a cold-resistant pressure-resistant PVC pipe, which comprises a cold-resistant surface layer mechanism, an anti-corrosion inner layer assembly and a pressure-resistant weaving assembly; the cold-resistant surface layer mechanism comprises a surface layer component and a cold-resistant layer component fixedly connected on the inner wall of the surface layer component, and the cold-resistant layer component comprises an anti-freezing layer fixedly connected on the inner wall of the surface layer component and a reinforcing layer fixedly connected on the inner wall of the anti-freezing layer; the anticorrosion inner layer assembly is arranged in the inner cavity of the reinforcing layer; withstand voltage weave the subassembly rigid coupling and be in the enhancement layer with between the anticorrosive inlayer subassembly, withstand voltage weave the subassembly and include that weaving layer, rigid coupling are in first tie coat, rigid coupling on the weaving layer outer wall are in second tie coat on the weaving layer inner wall, first tie coat with the inner wall rigid coupling of enhancement layer, the second tie coat with the outer wall rigid coupling of anticorrosive inlayer subassembly. The utility model discloses possess good withstand voltage, resistant dragging, prevent frostbite cold-resistant, performance such as anticorrosion, can effectively improve life.

Description

Cold-resistant and pressure-resistant PVC pipe

Technical Field

The utility model relates to a PVC manages technical field, especially relates to a cold-resistant withstand voltage PVC pipe.

Background

PVC is a material for short, the main component is polyvinyl chloride, and other components are added to enhance the heat resistance, toughness and ductility of the PVC. PVC is a synthetic material that is well received, popular and widely used in the world today. The plastic pipe is a common pipe fitting, and is widely applied to daily life and industrial production, such as the shell package of products and corresponding dredging pipelines and sewers, in particular to the dredging pipelines and the sewers made of PVC materials, and the plastic pipe gradually replaces metal pipelines due to light weight and good flame retardance at present and is popularized and applied in a large scale.

The existing PVC pipe has the following problems: 1. the conventional PVC pipe has poor anti-freezing and cold-resistant performances, is easy to become brittle in a low-temperature environment in cold seasons, particularly when being applied outdoors, and is broken after being impacted by external force, so that the service life of the PVC pipe is greatly shortened; 2. the existing PVC pipe usually uses a steel wire interlayer to improve the pressure resistance, but the steel wire and the PVC material are easy to peel off under the low-temperature environment, so that the pressure resistance of the pipe body is poor; 3. the corrosion resistance of the existing PVC pipe is poor, the material transported in the pipe corrodes the PVC pipe, and the damage to the pipe is easily caused after the pipe is used for a long time. Therefore, a cold-resistant and pressure-resistant PVC pipe is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cold-resistant withstand voltage PVC pipe aims at solving or improves at least one among the above-mentioned technical problem.

In order to achieve the above purpose, the utility model provides a following scheme: the utility model provides a cold-resistant pressure-resistant PVC pipe, which comprises a cold-resistant surface layer mechanism, an anti-corrosion inner layer assembly and a pressure-resistant weaving assembly;

the cold-resistant surface layer mechanism comprises a surface layer component and a cold-resistant layer component fixedly connected on the inner wall of the surface layer component, and the cold-resistant layer component comprises an anti-freezing layer fixedly connected on the inner wall of the surface layer component and a reinforcing layer fixedly connected on the inner wall of the anti-freezing layer;

the anticorrosion inner layer assembly is arranged in the inner cavity of the reinforcing layer;

withstand voltage weave the subassembly rigid coupling and be in the enhancement layer with between the anticorrosive inlayer subassembly, withstand voltage weave the subassembly and include weaving layer, rigid coupling and be in first tie coat, rigid coupling on the weaving layer outer wall are in second tie coat on the weaving layer inner wall, first tie coat with the inner wall rigid coupling of enhancement layer, the second tie coat with the outer wall rigid coupling of anticorrosive inlayer subassembly.

Preferably, the top layer subassembly includes ultraviolet ray absorbing layer, rigid coupling and is in surface coating on the ultraviolet ray absorbing layer outer wall, the outer wall on freeze-proof coating with the inner wall rigid coupling on ultraviolet ray absorbing layer.

Preferably, a plurality of elastic ribs which are arranged at equal intervals are fixedly connected in the reinforcing layer, and the plurality of elastic ribs are arranged along the length direction of the reinforcing layer.

Preferably, the anticorrosion inner layer assembly comprises an inner base layer fixedly connected to the inner wall of the second bonding layer and an anticorrosion coating fixedly connected to the inner wall of the inner base layer.

Preferably, the weaving layer comprises warp and weft interwoven with the warp, the warp and the weft are nylon strands, the warp is arranged along the length direction of the reinforcing layer, the warp is fixedly connected with the first bonding layer and the second bonding layer, and the weft is fixedly connected with the first bonding layer and the second bonding layer.

Preferably, the surface coating is a titanium dioxide mixed coating.

Preferably, the inner base layer is a fluororubber layer, the reinforcing layer is a PVC layer, and the elastic ribs are rubber ribs.

Preferably, the antifreezing layer is a PPR cold-resistant antifreezing layer.

The utility model discloses a following technological effect:

the cold-resistant surface layer mechanism of the utility model comprises a surface layer component and a cold-resistant layer component fixedly connected on the inner wall of the surface layer component, wherein the cold-resistant layer component comprises an anti-freezing layer fixedly connected on the inner wall of the surface layer component and a reinforcing layer fixedly connected on the inner wall of the anti-freezing layer; the surface layer assembly can protect the outer surface layer of the PVC pipe, the wear resistance of the outer surface of the PVC pipe is improved, the PVC pipe is prevented from being damaged by the external environment and dragging operation, the integral anti-freezing and cold-resistant performance of the PVC pipe can be improved by the anti-freezing layer, the frost cracking phenomenon in winter is avoided, the integral strength and the service life of the PVC pipe can be improved by the reinforcing layer, and the PVC pipe is prevented from being damaged after long-time use;

the utility model discloses an anticorrosive inlayer subassembly sets up in the inlayer, can keep apart the water or other materials of PVC intraductal transportation, improves the anticorrosive ability of PVC pipe, avoids the material to cause the harm to PVC pipe;

the utility model discloses a withstand voltage and weave the subassembly including the weaving layer, the first tie coat of rigid coupling on the weaving layer outer wall, the second tie coat of rigid coupling on the weaving layer inner wall, the inner wall rigid coupling of first tie coat and enhancement layer, the outer wall rigid coupling of second tie coat and anticorrosive inlayer subassembly, stabilize compound with weaving layer and enhancement layer and anticorrosive inlayer subassembly through first tie coat and second tie coat, avoid weaving layer and PVC pipe to take place glass, improve the overall stability of PVC pipe, first tie coat and second tie coat protect the weaving layer simultaneously, improve the life of weaving layer, the weaving layer can improve the holistic explosion-proof of PVC pipeline greatly, withstand voltage, can drag performance such as resistant, improve the life of PVC pipe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the cold-resistant and pressure-resistant PVC pipe of the present invention;

fig. 2 is a schematic structural view of the woven layer of the present invention;

FIG. 3 is a partial enlarged view of A in FIG. 1;

wherein, 1, a surface layer component; 11. an ultraviolet absorbing layer; 12. coating the surface; 2. a cold resistant layer component; 21. an anti-freezing layer; 22. a reinforcing layer; 23. an elastic rib; 3. an anti-corrosive inner layer assembly; 31. an inner base layer; 32. an anticorrosive coating; 4. a pressure-resistant braiding component; 41. weaving layer; 411. warp threads; 412. a weft; 42. a first adhesive layer; 43. a second adhesive 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 efforts all belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1-3, the utility model provides a cold-resistant and pressure-resistant PVC pipe, which comprises a cold-resistant surface layer mechanism, an anti-corrosion inner layer component 3 and a pressure-resistant weaving component 4;

the cold-resistant surface layer mechanism comprises a surface layer component 1 and a cold-resistant layer component 2 fixedly connected on the inner wall of the surface layer component 1, wherein the cold-resistant layer component 2 comprises an anti-freezing layer 21 fixedly connected on the inner wall of the surface layer component 1 and a reinforcing layer 22 fixedly connected on the inner wall of the anti-freezing layer 21; the material of the anti-freezing layer 21 can be set according to the specific use environment, and in this embodiment, the anti-freezing layer 21 is a PPR cold-resistant anti-freezing layer; by the arrangement, the surface layer component 1 can protect the outer surface layer of the PVC pipe, the wear resistance of the outer surface of the PVC pipe is improved, the PVC pipe is prevented from being damaged by external environment and drag operation of an operator, the anti-freezing layer 21 can improve the overall anti-freezing and cold-resistant performance of the PVC pipe, the frost crack phenomenon in winter is avoided, the reinforcing layer 22 can increase the overall structural strength and service life of the PVC pipe, and the PVC pipe is prevented from being damaged after long-time use;

the anti-corrosion inner layer component 3 is arranged in the inner cavity of the reinforcing layer 22; due to the arrangement, the anti-corrosion inner layer component 3 is arranged on the innermost layer, so that water or other materials transported in the PVC pipe can be isolated, the anti-corrosion performance of the PVC pipe is improved, and the PVC pipe is prevented from being damaged by the materials;

the pressure-resistant braided component 4 is fixedly connected between the reinforcing layer 22 and the anticorrosive inner layer component 3, the pressure-resistant braided component 4 comprises a braided layer 41, a first bonding layer 42 fixedly connected on the outer wall of the braided layer 41 and a second bonding layer 43 fixedly connected on the inner wall of the braided layer 41, the first bonding layer 42 is fixedly connected with the inner wall of the reinforcing layer 22, and the second bonding layer 43 is fixedly connected with the outer wall of the anticorrosive inner layer component 3; the materials of the first adhesive layer 42 and the second adhesive layer 43 may be set according to a specific use environment, for example, the first adhesive layer may be an ethylene copolymer adhesive coating, or may be another high polymer adhesive coating, and the present embodiment is not particularly limited; so set up, it is compound to stabilize weaving layer 41 and enhancement layer 22 and anticorrosive inlayer subassembly 3 through first tie coat 42 and second tie coat 43, avoid weaving layer 41 and PVC pipe to take place glass, improve the overall stability of PVC pipe, first tie coat 42 and second tie coat 43 protect weaving layer 41 simultaneously, improve weaving layer 41's life, weaving layer 41 can improve the holistic blast proof of PVC pipeline greatly, it is withstand voltage, resistant performance such as pulling, improve the life of PVC pipe.

According to a further optimized scheme, the surface layer assembly 1 comprises an ultraviolet absorption layer 11 and a surface coating 12 fixedly connected to the outer wall of the ultraviolet absorption layer 11, the outer wall of the anti-freezing layer 21 is fixedly connected with the inner wall of the ultraviolet absorption layer 11, and the ultraviolet absorption layer 11 is a PVC layer containing a UV absorbent; the surface coating 12 is a titanium dioxide mixed coating; the titanium dioxide mixed coating is a mixed coating containing titanium dioxide and diatomite; so set up, surface coating 12 can protect the extexine of PVC pipe, improve the stand wear and tear performance of PVC outside of tubes surface, avoid external environment and operating personnel to cause the harm to the PVC pipe when pulling the operation, ultraviolet absorption layer 11 can absorb the ultraviolet ray in the external environment, ultraviolet ray in avoiding the atmospheric environment causes the ageing and the damage of PVC pipe after the PVC pipe shines for a long time, improve the anti ultraviolet performance of PVC pipe, make the PVC pipe be applicable to indoor outer environment, and the application scope is improved.

According to the further optimized scheme, a plurality of elastic ribs 23 which are arranged at equal intervals are fixedly connected in the reinforcing layer 22, and the elastic ribs 23 are arranged along the length direction of the reinforcing layer 22; the reinforcing layer 22 is a PVC layer, and the elastic ribs 23 are rubber ribs; so set up, a plurality of elastic rib 23 can improve the elasticity and the toughness of enhancement layer 22, improve the structural strength and the wear resistance of enhancement layer 22, and then improve the structural strength and the wear resistance of PVC pipe.

In a further optimized scheme, the anticorrosion inner layer assembly 3 comprises an inner base layer 31 fixedly connected to the inner wall of the second bonding layer 43 and an anticorrosion coating 32 fixedly connected to the inner wall of the inner base layer 31, the inner base layer 31 can be set according to a specific use environment, and the inner base layer 31 is a fluororubber layer in this embodiment; so set up, interior basic unit 31 can increase the holistic structural strength of PVC pipe and waterproof performance, and anticorrosive coating 32 can improve the holistic anticorrosive performance of PVC pipe, avoids the PVC pipe to receive the corruption of water or other materials, and then realizes improving the wholeness ability and the life of PVC pipe.

According to a further optimized scheme, the weaving layer 41 comprises warps 411 and wefts 412 interwoven with the warps 411, the warps 411 and the wefts 412 are nylon strands, the warps 411 are arranged along the length direction of the reinforcing layer 22, the warps 411 are fixedly connected with the first bonding layer 42 and the second bonding layer 43, and the wefts 412 are fixedly connected with the first bonding layer 42 and the second bonding layer 43; so set up, weaving layer 41 is interweaved by warp 411 and weft 412 and forms, can effectively improve the resistance to compression withstand voltage performance of PVC pipe through weaving layer 41, improves life.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The cold-resistant and pressure-resistant PVC pipe is characterized by comprising:

the cold-resistant surface layer mechanism comprises a surface layer component (1) and a cold-resistant layer component (2) fixedly connected to the inner wall of the surface layer component (1), wherein the cold-resistant layer component (2) comprises an anti-freezing layer (21) fixedly connected to the inner wall of the surface layer component (1) and a reinforcing layer (22) fixedly connected to the inner wall of the anti-freezing layer (21);

the anticorrosion inner layer assembly (3), the anticorrosion inner layer assembly (3) is arranged in the inner cavity of the reinforcing layer (22);

withstand voltage weave subassembly (4), withstand voltage weave subassembly (4) rigid coupling be in enhancement layer (22) with between anticorrosive inlayer subassembly (3), withstand voltage weave subassembly (4) including weaving layer (41), rigid coupling and be in first tie coat (42), rigid coupling on weaving layer (41) outer wall are in second tie coat (43) on weaving layer (41) inner wall, first tie coat (42) with the inner wall rigid coupling of enhancement layer (22), second tie coat (43) with the outer wall rigid coupling of anticorrosive inlayer subassembly (3).

2. The cold-resistant pressure-resistant PVC pipe according to claim 1, which is characterized in that: the surface layer assembly (1) comprises an ultraviolet absorption layer (11) and a surface coating (12) fixedly connected to the outer wall of the ultraviolet absorption layer (11), and the outer wall of the anti-freezing layer (21) is fixedly connected to the inner wall of the ultraviolet absorption layer (11).

3. The cold-resistant pressure-resistant PVC pipe according to claim 1, characterized in that: a plurality of elastic ribs (23) which are arranged at equal intervals are fixedly connected in the reinforcing layer (22), and the plurality of elastic ribs (23) are arranged along the length direction of the reinforcing layer (22).

4. The cold-resistant pressure-resistant PVC pipe according to claim 3, characterized in that: anticorrosive inlayer subassembly (3) are including the rigid coupling be in interior basic unit (31), rigid coupling on second tie coat (43) inner wall are in anticorrosive coating (32) on interior basic unit (31) inner wall.

5. The cold-resistant pressure-resistant PVC pipe according to claim 1, which is characterized in that: weaving layer (41) include warp (411), with weft (412) that warp (411) interweaved, warp (411) and weft (412) are the nylon strand, warp (411) set up along the length direction of enhancement layer (22), warp (411) with first tie coat (42) and second tie coat (43) rigid coupling, weft (412) with first tie coat (42) and second tie coat (43) rigid coupling.

6. The cold-resistant pressure-resistant PVC pipe according to claim 2, characterized in that: the surface coating (12) is a titanium dioxide mixed coating.

7. The cold-resistant pressure-resistant PVC pipe according to claim 4, characterized in that: the inner base layer (31) is a fluororubber layer, the reinforcing layer (22) is a PVC layer, and the elastic ribs (23) are rubber ribs.

8. The cold-resistant pressure-resistant PVC pipe according to claim 1, which is characterized in that: the antifreezing layer (21) is a PPR cold-resistant antifreezing layer.