Polyethylene double-layer-wall double-high-rib corrugated pipe

Abstract

The utility model relates to the technical field of corrugated pipes, in particular to a polyethylene double-layer-wall double-high-rib corrugated pipe which comprises a corrugated pipe body, an outer-layer pipe is spirally arranged on the outer wall of the corrugated pipe body, a buffering mechanism is arranged in the outer-layer pipe, a reinforcing layer and an anti-corrosion layer are sequentially arranged in the corrugated pipe body, and the anti-corrosion layer is arranged on the outer-layer pipe. The buffer mechanism comprises inner wall layers and a filling cavity, the two inner wall layers are arranged on the inner wall of the outer layer pipe side by side, the filling cavity is formed between the inner wall layers and the corrugated pipe body, and the filling layer is arranged in the filling cavity. The outer layer pipe, the filling cavity and the filling layer are used in cooperation, the filling layer is made of polystyrene foam, the polystyrene foam has the advantages of being light in weight, heat-insulating, sound-absorbing, shock-absorbing and the like, the density of the polystyrene foam is low, a certain buffering effect can be provided under the condition that the weight of the corrugated pipe body is not increased too much, and the service life of the corrugated pipe is prolonged. And after being matched with the double inner wall layers for use, the buffer effect can be further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of corrugated pipes, in particular to a polyethylene double-layer double-high rib corrugated pipe. Background Technique

[0002] A corrugated pipe is a pipe with a ring-shaped corrugated structure and can be used to transport various fluids, including liquids (such as water, oil, chemical solutions, etc.) and gases (such as natural gas, air, etc.).

[0003] As disclosed in a polyethylene double-layer double-high rib reinforced corrugated pipe with the authorization publication number of CN216045892U, it includes a pipe matrix and a spiral surrounding pipe layer arranged around the outer surface of the pipe matrix; an anti-corrosion layer is provided on the inner surface of the pipe matrix, and two N-shaped reinforcing rib pipes are symmetrically arranged on the inner wall of the spiral surrounding pipe layer, and the adjacent side walls in the two reinforcing rib pipes are integrally connected to form an M-shaped structure. After adopting the above technical solution, the beneficial effects of the utility model are: it has excellent impact resistance, compressive performance, chemical corrosion resistance, and aging resistance.

[0004] Although the above patent has excellent impact resistance, compressive performance, chemical corrosion resistance, and aging resistance, although a cavity structure is formed in the reinforcing rib pipe, however, the cavity structure does not have a buffering performance, so the overall anti-buffering performance of the reinforcing rib pipe is limited. Content of the Utility Model

[0005] The purpose of the utility model is to provide a polyethylene double-layer double-high rib corrugated pipe to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution:

[0007] A polyethylene double-layer double-high rib corrugated pipe includes a corrugated pipe body. An outer layer pipe is spirally arranged on the outer wall of the corrugated pipe body, a buffer mechanism is arranged inside the outer layer pipe, and a reinforcing layer and an anti-corrosion layer are sequentially arranged inside the corrugated pipe body.

[0008] Preferably, the buffer mechanism includes an inner wall layer and a filling cavity. Two inner wall layers are arranged side by side on the inner wall of the outer layer pipe, a filling cavity is arranged between the inner wall layer and the corrugated pipe body, and a filling layer is arranged inside the filling cavity;

[0009] Preferably, a wear-resistant layer is arranged on the outer wall of the outer layer pipe;

[0010] Preferably, the filling layer uses polystyrene foam;

[0011] Preferably, the reinforcing layer uses polyester fiber;

[0012] Preferably, the anti-corrosion layer is a ceramic coating.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. For this polyethylene double-wall double-high rib corrugated pipe, through the combined use of the outer pipe, the filling cavity and the filling layer, the filling layer uses polystyrene foam. Polystyrene foam has characteristics such as light weight, heat insulation, sound absorption, and shock absorption. Its density is relatively low, and it can provide a certain buffering effect without adding too much weight to the corrugated pipe body. And when used in combination with the double inner wall layer, the buffering effect can be further enhanced.

[0015] 2. For this polyethylene double-wall double-high rib corrugated pipe, through the combined use of the reinforcing layer and the anti-corrosion layer, when the corrugated pipe is bent, the fibers inside the polyester fiber layer can slide relative to each other, so as to adapt to the shape change caused by bending. This kind of sliding will not cause fiber breakage or local stress concentration in the corrugated pipe like some rigid fibers, thus affecting the bendability. And in the corrugated pipe for transporting fluids with high-hardness solid particles, the ceramic coating can effectively resist the high-speed impact and erosion of particles, protecting the inner wall of the corrugated pipe from being worn. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is the overall front view structural schematic diagram of the present utility model;

[0017] Figure 2 is the overall sectional view structural schematic diagram of the present utility model;

[0018] Figure 3 is the front view structural sectional view of the present utility model;

[0019] Figure 4 is the Figure 3 enlarged schematic diagram at A in the present utility model.

[0020] In the figure: 1, corrugated pipe body; 2, outer pipe; 3, reinforcing layer; 4, anti-corrosion layer; 5, inner wall layer; 6, filling cavity; 7, filling layer; 8, wear-resistant layer. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] 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.

[0022] As Figures 1-4As shown, a technical solution provided by the present utility model:

[0023] A polyethylene double-layer wall double-high rib corrugated pipe, comprising a corrugated pipe body 1, an outer layer pipe 2 is spirally arranged on the outer wall of the corrugated pipe body 1, a buffer mechanism is arranged inside the outer layer pipe 2, the buffer mechanism includes an inner wall layer 5 and a filling cavity 6, two inner wall layers 5 are arranged side by side on the inner wall of the outer layer pipe 2, a filling cavity 6 is arranged between the inner wall layer 5 and the corrugated pipe body 1, and a filling layer 7 is arranged inside the filling cavity 6. The filling layer 7 uses polystyrene foam;

[0024] In this embodiment, an outer layer pipe 2 is spirally arranged on the outer wall of the corrugated pipe body 1 of the present device, a filling cavity 6 is arranged inside the outer layer pipe 2, a filling layer 7 is filled inside the filling cavity 6, and the filling layer 7 uses polystyrene foam. Polystyrene foam has characteristics such as light weight, heat insulation, sound absorption, and shock absorption. Its density is relatively low, and it can provide a certain buffer effect without adding too much weight to the corrugated pipe body 1. And when used in cooperation with the double inner wall layer 5, the buffer effect can be further enhanced.

[0025] As Figure 2 and Figure 4 shown, a reinforcing layer 3 and an anti-corrosion layer 4 are sequentially arranged inside the corrugated pipe body 1, and a wear-resistant layer 8 is arranged on the outer wall of the outer layer pipe 2. The reinforcing layer 3 uses polyester fiber, and the anti-corrosion layer 4 uses a ceramic coating;

[0026] In this embodiment, a reinforcing layer 3 and an anti-corrosion layer 4 are sequentially arranged on the inner wall of the corrugated pipe body 1 of the present device. Among them, the reinforcing layer 3 uses polyester fiber. When the corrugated pipe is bent, the fibers inside the polyester fiber layer can slide relative to each other, so as to adapt to the shape change caused by the bending. This kind of sliding will not cause fiber breakage or local stress concentration in the corrugated pipe like some rigid fibers, thereby affecting the bendability;

[0027] And the anti-corrosion layer 4 uses a ceramic coating. The ceramic coating has extremely high hardness and wear resistance. In a corrugated pipe that needs to transport a fluid with high-hardness solid particles, the ceramic coating can effectively resist the high-speed impact and erosion of the particles, and protect the inner wall of the corrugated pipe from being worn.

[0028] Working principle: An outer layer pipe 2 is spirally arranged on the outer wall of the corrugated pipe body 1 of the present device, a filling cavity 6 is arranged inside the outer layer pipe 2, a filling layer 7 is filled inside the filling cavity 6, and the filling layer 7 uses polystyrene foam. Polystyrene foam has characteristics such as light weight, heat insulation, sound absorption, and shock absorption. Its density is relatively low, and it can provide a certain buffer effect without adding too much weight to the corrugated pipe body 1. And when used in cooperation with the double inner wall layer 5, the buffer effect can be further enhanced.

[0029] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the descriptions in the specification are only preferred examples of the present utility model and are not used to limit the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A polyethylene double-layer wall double-high rib corrugated pipe, characterized in that: It includes a corrugated pipe body (1), an outer layer pipe (2) is spirally arranged on the outer wall of the corrugated pipe body (1), a buffer mechanism is arranged inside the outer layer pipe (2), and a reinforcing layer (3) and an anti-corrosion layer (4) are sequentially arranged inside the corrugated pipe body (1).

2. The polyethylene double-wall double-high rib corrugated pipe according to claim 1, characterized in that: The buffer mechanism includes an inner wall layer (5) and a filling cavity (6). Two inner wall layers (5) are arranged side by side on the inner wall of the outer layer pipe (2). A filling cavity (6) is arranged between the inner wall layer (5) and the corrugated pipe body (1), and a filling layer (7) is arranged inside the filling cavity (6).

3. A polyethylene double-layer wall double-high rib corrugated pipe according to claim 1, characterized in that: A wear-resistant layer (8) is arranged on the outer wall of the outer layer pipe (2).

4. A polyethylene double-wall double-high rib corrugated pipe according to claim 2, characterized in that: The filling layer (7) uses polystyrene foam.

5. A polyethylene double-layer wall double-high rib corrugated pipe according to claim 1, characterized in that: The reinforcing layer (3) uses polyester fiber.

6. The polyethylene double-wall double-high rib corrugated pipe according to claim 1, characterized in that: The anti-corrosion layer (4) uses a ceramic coating.

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