CN217762450U

CN217762450U - Creep-resistant anti-cracking PVC pipe

Info

Publication number: CN217762450U
Application number: CN202221453643.8U
Authority: CN
Inventors: 孙友强; 孙滨
Original assignee: Shengda Pipe Technology Co ltd
Current assignee: Shengda Pipe Technology Co ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-11-08
Anticipated expiration: 2032-06-09

Abstract

The utility model belongs to the technical field of PVC tubular product, specifically disclose a creep resistance crack control PVC pipe, including the tubular product body, the tubular product body includes wearing layer, anti creep layer, insulating layer and strengthening layer, the wearing layer sets up at tubular product body inner wall and tubular product outer wall, anti creep layer and insulating layer set up respectively at the wearing layer inboardly, the strengthening layer sets up between anti creep layer and insulating layer, anti creep layer and insulating layer set up inboard and the outside at the strengthening layer respectively, the utility model discloses a stiffener of setting can effectively strengthen tubular product body intensity, improves the ability that the tubular product body received to keep the shape after the extrusion, avoids the tubular product body to receive to damage after the extrusion and influences the use, can improve the creep resistance of tubular product body through the anti creep layer that sets up, improves the life of tubular product body.

Description

Creep-resistant anti-cracking PVC pipe

Technical Field

The utility model relates to an anti-creep anti-cracking PVC pipe belongs to PVC tubular product technical field.

Background

PVC pipe, i.e. hard PVC pipe, is made up by using PVC resin, stabilizing agent and lubricating agent through the processes of mixing and hot-pressing and extrusion-forming, and is a plastic pipe material which can be developed and used for the first time, and the PVC-U pipe is strong in corrosion resistance, easy to bond, low in cost and hard in texture, but only applicable to water supply system whose conveying temp. is less than 45 deg.C due to the seepage of PVC-U monomer and additive. The conventional PVC pipe has general creep resistance, is easy to damage in long-time use and cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti crack PVC pipe of creep resistance solves the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a creep-resistant crack control PVC pipe, includes the tubular product body, the tubular product body includes wearing layer, creep-resistant layer, insulating layer and strengthening layer, the wearing layer sets up at tubular product body inner wall and tubular product outer wall, creep-resistant layer and insulating layer set up respectively at the wearing layer inboard, the strengthening layer sets up between creep-resistant layer and insulating layer, creep-resistant layer and insulating layer set up respectively in the inboard and the outside of strengthening layer.

Preferably, the inside a plurality of stiffeners that are equipped with of tubular product body, the stiffener is the PVC material, the stiffener is heliciform structure, and the stiffener of spiral setting can effectively support the extrusion force of a plurality of directions, avoids the tubular product body to receive extrusion deformation.

Preferably, the wear-resistant layer is formed by coating wear-resistant paint, and the wear-resistant paint can protect the surface of the pipe body and prevent the surface of the pipe body from being worn.

Preferably, the creep-resistant layer is formed by coating creep-resistant paint, the main component of the creep-resistant paint is HDPE and wood powder composite material, and the HDPE and wood powder composite material has strong creep resistance.

Preferably, the heat insulating layer is a composite of one or more materials of glass fiber, asbestos and polyurethane foam plastic, and the heat insulating layer can insulate the temperature inside and outside the pipe body, so that the pipe body is prevented from being damaged by shock cooling.

Preferably, the reinforcing layer is of a metal net structure, and the reinforcing layer is arranged on the side surface of the pipe body in a surrounding mode.

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

the utility model belongs to the technical field of the PVC tubular product, specifically disclose a creep resistance crack control PVC pipe, the utility model discloses a stiffener of setting can effectively strengthen tubular product body intensity, improves the ability that the tubular product body received to keep the shape after the extrusion, avoids the tubular product body to receive to damage after the extrusion and influences the use, can improve the creep resistance performance of tubular product body through the creep resistance layer that sets up, improves the life of tubular product body.

Drawings

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

FIG. 2 is a schematic view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

in the figure: 1. a tube body; 101. a wear layer; 102. a creep resistant layer; 103. a thermal insulation layer; 104. a strengthening layer; 2. a reinforcing rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the pipe comprises a pipe body 1, wherein the pipe body 1 comprises a wear-resistant layer 101, a creep-resistant layer 102, a heat-insulating layer 103 and a reinforcing layer 104, the wear-resistant layer 101 is arranged on the inner wall of the pipe body 1 and the outer wall of the pipe, the creep-resistant layer 102 and the heat-insulating layer 103 are respectively arranged on the inner side of the wear-resistant layer 101, the reinforcing layer 104 is arranged between the creep-resistant layer 102 and the heat-insulating layer 103, and the creep-resistant layer 102 and the heat-insulating layer 103 are respectively arranged on the inner side and the outer side of the reinforcing layer 104; a plurality of reinforcing rods 2 are arranged inside the pipe body 1, the reinforcing rods 2 are made of PVC materials, and the reinforcing rods 2 are of spiral structures; the wear-resistant layer 101 is formed by coating wear-resistant paint; the creep-resistant layer 102 is formed by coating creep-resistant paint; the heat insulation layer 103 is a composite of one or more materials of glass fiber, asbestos and polyurethane foam; the strengthening layer 104 is a metal net structure, and the strengthening layer 104 is arranged around the side surface of the pipe body 1.

The working principle is as follows: the utility model relates to a creep resistance crack control PVC pipe, during the use, the wearing layer 101 of both sides can effectively protect 1 inner wall of tubular product body and outer wall, avoid receiving the tubular product surface and receive wearing and tearing, HDPE and wood flour combined material's anti creep nature layer 102 can strengthen the creep resistance of tubular product body 1, reduce the rheological property of tubular product body 1's material under the load, the flow property after loading promptly, strengthening layer 104 and stiffener 2 can effectively protect tubular product body 1, keep tubular product body 1 shape when receiving the extrusion, the stiffener 2 of spiral distribution can effectively support the atress of a plurality of directions, the normal use of tubular product body 1 is not influenced with the stiffener 2 that tubular product body 1 material is the same, insulating layer 103 can be to reducing the inside heat exchange with the external world of tubular product body 1, avoid leading to tubular product body 1 to appear damaging when external temperature crosses low excessively, the utility model discloses simple structure, and convenient operation, and is suitable for being generalized to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. The utility model provides a creep-resistant crack control PVC pipe which characterized in that: the anti-creep pipe comprises a pipe body (1), wherein the pipe body (1) comprises a wear-resistant layer (101), an anti-creep layer (102), a heat-insulating layer (103) and a reinforcing layer (104), the wear-resistant layer (101) is arranged on the inner wall of the pipe body (1) and the outer wall of the pipe, the anti-creep layer (102) and the heat-insulating layer (103) are respectively arranged on the inner side of the wear-resistant layer (101), the reinforcing layer (104) is arranged between the anti-creep layer (102) and the heat-insulating layer (103), and the anti-creep layer (102) and the heat-insulating layer (103) are respectively arranged on the inner side and the outer side of the reinforcing layer (104).

2. The creep-resistant, crack-resistant PVC pipe according to claim 1, wherein: the pipe is characterized in that a plurality of reinforcing rods (2) are arranged inside the pipe body (1), the reinforcing rods (2) are made of PVC materials, and the reinforcing rods (2) are of spiral structures.

3. The creep-resistant anti-cracking PVC pipe according to claim 1, which is characterized in that: the wear-resistant layer (101) is formed by coating wear-resistant paint.

4. The creep-resistant anti-cracking PVC pipe according to claim 1, which is characterized in that: the creep-resistant layer (102) is formed by coating creep-resistant paint.

5. The creep-resistant anti-cracking PVC pipe according to claim 1, which is characterized in that: the heat insulation layer (103) is a composite of one or more materials of glass fiber, asbestos and polyurethane foam.

6. The creep-resistant, crack-resistant PVC pipe according to claim 1, wherein: the reinforced layer (104) is of a metal net structure, and the reinforced layer (104) is arranged on the side surface of the pipe body (1) in a surrounding mode.