Composite compression-resistant double-layer plastic pipe

Abstract

The utility model discloses a composite compression-resistant double-layer plastic pipe, and relates to the technical field of pipes. According to the composite pressure-resistant double-layer plastic pipe main body, through the flame-retardant layer and the wear-resistant layer, the pressure-resistant and protective capability of a pipeline is improved, the surface of the outer-layer pipe is prevented from being worn and scratched, the service life of the pipe main body is prolonged, the flame-retardant layer is made of asbestos, and the asbestos has high fire resistance and can prevent the pipe main body from burning; by arranging the inner-layer pipe, the outer-layer pipe and the reinforcing layer, the compression resistance of the pipe body is improved, the flexibility of the inner-layer pipe and the high hardness of the outer-layer pipe are combined, the compression resistance of the pipe body is improved, the structural strength of the pipe body is further enhanced through the arrangement of the reinforcing layer, and the pipe body can bear higher pressure.

Description

Technical Field

[0001] The utility model relates to the technical field of pipes, in particular to a composite pressure-resistant double-layer plastic pipe. Background Art

[0002] Plastic pipes are generally made of synthetic resin, that is, polyester, with stabilizers, lubricants, plasticizers, etc., and are extruded in a pipe making machine by the "plastic" method. They are mainly used as pipes for tap water supply systems in housing buildings, drainage, exhaust and sewage sanitary pipes, underground drainage pipe systems, rainwater pipes, and threading pipes for wire installation. With the development of industrial and civil construction, the performance requirements for pipes are getting higher and higher, especially in terms of compressive performance. Traditional single-layer plastic pipes are prone to deformation or even rupture when subjected to greater pressure, affecting safety and life. Utility Model Content

[0003] In view of the shortcomings of the prior art, the utility model provides a composite pressure-resistant double-layer plastic pipe to solve the problems raised in the above background technology:

[0004] Traditional single-layer plastic pipes are prone to deformation or even rupture when subjected to high pressure, affecting their safety and lifespan.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A composite pressure-resistant double-layer plastic pipe comprises a pipe body, wherein the pipe body comprises an inner tube, an outer tube and a reinforcement layer, the outer side of the inner tube is provided with a reinforcement layer, the outer side of the reinforcement layer is provided with an outer tube, the outer side of the outer tube is provided with a flame retardant layer, and the outer side of the flame retardant layer is provided with a wear-resistant layer.

[0007] Preferably, the inner tube is made of high-density polyethylene material.

[0008] Preferably, the outer tube is made of modified polypropylene material.

[0009] Preferably, the reinforcement layer is made of high-strength fiber material.

[0010] Preferably, the flame retardant layer is made of asbestos.

[0011] Preferably, the wear-resistant layer is nano-ceramic coating.

[0012] The utility model provides a composite pressure-resistant double-layer plastic pipe. Compared with the prior art, it has the following beneficial effects:

[0013] 1. This composite pressure-resistant double-layer plastic pipe improves the pressure resistance of the pipe body by setting an inner layer pipe, an outer layer pipe, and a reinforcement layer. The combination of the flexibility of the inner layer pipe and the high hardness of the outer layer pipe enhances the pressure resistance of the pipe body. The setting of the reinforcement layer further strengthens the structural strength of the pipe body, enabling it to withstand higher pressures.

[0014] 2. This composite pressure-resistant double-layer plastic pipe increases the pressure resistance and protection ability of the pipeline through a flame retardant layer and a wear-resistant layer, preventing the surface of the outer layer pipe from being worn and scratched, and extending the service life of the pipe body. The flame retardant layer is made of asbestos, which has a high degree of fire resistance and can prevent the pipe body from burning. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the internal structure of the present utility model.

[0016] Figure 2 It is a schematic three-dimensional structure diagram of the present utility model.

[0017] In the figure: 1. Pipe body; 2. Inner layer pipe; 3. Outer layer pipe; 4. Reinforcement layer; 5. Flame retardant layer; 6. Wear-resistant layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0019] Please refer to Figure 1-2 , the present utility model provides a technical solution: a composite pressure-resistant double-layer plastic pipe, including a pipe body 1. The pipe body 1 includes an inner layer pipe 2, an outer layer pipe 3, and a reinforcement layer 4. The reinforcement layer 4 is provided outside the inner layer pipe 2, and the outer layer pipe 3 is provided outside the reinforcement layer 4. The inner layer pipe 2 and the outer layer pipe 3 are tightly combined by hot melting to ensure that there is no relative sliding between the two layers. The reinforcement layer 4 is also tightly combined with the inner layer pipe 2 and the outer layer pipe 3 by hot melting to ensure the stability of the overall structure. A flame retardant layer 5 is provided outside the outer layer pipe 3 to prevent the pipe body 1 from burning, and a wear-resistant layer 6 is provided outside the flame retardant layer 5 to avoid the reduction of the service life caused by the wear of the pipeline surface.

[0020] Furthermore, the inner layer pipe 2 is made of high-density polyethylene material, having good flexibility and pressure resistance.

[0021] Furthermore, the outer layer pipe 3 is made of modified polypropylene material, having relatively high hardness and compressive strength.

[0022] Furthermore, the reinforcement layer 4 is made of high-strength fiber material to further improve the overall compression resistance of the pipe body 1 .

[0023] Furthermore, the flame retardant layer 5 is made of asbestos, which has a high degree of fire resistance and can prevent the pipe body 1 from burning, thus avoiding significant losses.

[0024] Furthermore, the wear-resistant layer 6 is a nano-ceramic coating, which has high hardness and excellent wear resistance, preventing the surface of the outer tube 3 from being worn and scratched, increasing the pressure resistance and protection capabilities of the pipeline, and extending the service life of the pipe body 1.

[0025] When in use, the inner tube 2 is made of high-density polyethylene material, the outer tube 3 is made of modified polypropylene material, and the reinforcement layer 4 is made of glass fiber material. The inner tube 2 and the outer tube 3 are tightly combined through a hot-melt process, and the reinforcement layer 4 is firmly adhered between the two layers to form a whole. The flexibility of the inner tube 2 and the high hardness of the outer tube 3 are combined to improve the compressive resistance of the pipe body 1. The setting of the reinforcement layer 4 further enhances the structural strength of the pipe body 1, so that it can withstand higher pressure, and solves the problem that the traditional single-layer plastic pipe body 1 is prone to deformation or even rupture when subjected to greater pressure. The wear-resistant layer 6 is a nano-ceramic coating. The nano-ceramic coating has high hardness and excellent wear resistance. It prevents the surface of the outer tube 3 from being worn and scratched, increases the compressive resistance and protection capabilities of the pipeline, and extends the service life of the pipe body 1. The flame retardant layer 5 is made of asbestos. Asbestos has a high degree of fire resistance and can prevent the pipe body 1 from burning to avoid significant losses.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0028] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A composite compression-resistant double-layer plastic pipe, comprising a pipe body (1), characterized in that: The pipe body (1) includes an inner layer pipe (2), an outer layer pipe (3) and a strengthening layer (4). The strengthening layer (4) is arranged on the outer side of the inner layer pipe (2), the outer layer pipe (3) is arranged on the outer side of the strengthening layer (4), a flame retardant layer (5) is arranged on the outer side of the outer layer pipe (3), and a wear-resistant layer (6) is arranged on the outer side of the flame retardant layer (5).

2. The composite pressure-resistant double-layer plastic pipe according to claim 1, wherein: The inner layer pipe (2) is made of high-density polyethylene material.

3. A composite compression-resistant double-layer plastic pipe according to claim 1, characterized in that: The outer layer pipe (3) is made of modified polypropylene material.

4. A composite compression-resistant double-layer plastic pipe according to claim 1, characterized in that: The strengthening layer (4) is composed of high-strength fiber material.

5. A composite compression-resistant double-layer plastic pipe according to claim 1, characterized in that: The flame retardant layer (5) is made of asbestos.

6. The composite compression-resistant double-layer plastic pipe according to claim 1, characterized in that: The wear-resistant layer (6) is a nano-ceramic coating.

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