Buried drainage PE double-wall corrugated pipe

By setting reinforcement ribs, grooves and reinforcement lids on the outer wall layer of the corrugated outer wall, the compressive resistance of buried drainage PE double-wall corrugated pipe is enhanced, the problem of insufficient compressive resistance is solved, and higher ring stiffness and use stability are achieved.

CN223178355UActive Publication Date: 2025-08-01HUBEI YATONG NEW MATERIAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422408215.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-08
Publication Date
2025-08-01
Estimated Expiration
2034-10-08

AI Technical Summary

Technical Problem

The existing buried drainage PE double-wall corrugated pipes have insufficient compressive resistance and are difficult to effectively resist soil loads.

Method used

Reinforcement ribs, grooves and reinforcement lids are provided on the corrugated outer wall layer to increase the ring stiffness of the pipe through integrated molding.

Benefits of technology

It enhances the compressive resistance of the pipe, reduces the risk of cracking, and improves service life and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an underground drainage PE double-wall corrugated pipe, which relates to the technical field of corrugated pipes, and comprises a corrugated outer wall layer and a straight tube inner wall layer, the inner surface of the wave trough position of the corrugated outer wall layer is fixedly connected with the outer surface of the straight tube inner wall layer, and the inner surface of the straight tube inner wall layer is fixedly connected with the corrugated outer wall layer. An annular cavity is defined by the wave crest position of the corrugated outer wall layer and the straight barrel inner wall layer, reinforcing ribs are arranged on the outer surface of the wave trough position of the corrugated outer wall layer at intervals in the circumferential direction, annular grooves are formed in the outer surface of the wave crest position of the corrugated outer wall layer, and reinforcing edges are arranged at the positions of the grooves at intervals in the circumferential direction. The reinforcing ribs, the grooves and the reinforcing ridges are arranged on the corrugated outer wall layer, the wave crests are high in height, good in supporting effect and large in density, the ring stiffness of the pipe is greatly enhanced, and therefore the resistance of the pipe to soil loads is enhanced, materials are thick, the whole pipe is firmer, the quality is better, the pipe is durable and stable in use, and cracking is not prone to occurring.
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Description

Technical Field

[0001] The utility model relates to the technical field of corrugated pipes, in particular to a buried drainage PE double-wall corrugated pipe. Background Technique

[0002] The double-wall corrugated pipe for buried drainage is a new type of pipe with a ring-shaped outer wall and a smooth inner wall. It is mainly applied to the water conveyance, drainage, sewage discharge, irrigation, etc. of municipal engineering, construction engineering, industry, agriculture, and road engineering. The drainage corrugated pipe used for buried ground generally has a greater demand for load and requires a certain external pressure resistance to resist soil load. The compressive capacity of the double-wall corrugated pipe used in the buried environment needs to be further enhanced. For this reason, we provide a buried drainage PE double-wall corrugated pipe. Content of the Utility Model

[0003] The purpose of the utility model is to provide a buried drainage PE double-wall corrugated pipe to improve the compressive capacity of the double-wall corrugated pipe used in the buried environment.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a buried drainage PE double-wall corrugated pipe, including a corrugated outer wall layer and a straight inner wall layer. The inner surface at the trough position of the corrugated outer wall layer is fixedly connected to the outer surface of the straight inner wall layer. A ring-shaped cavity is formed between the peak position of the corrugated outer wall layer and the straight inner wall layer. Reinforcing ribs are circumferentially spaced on the outer surface at the trough position of the corrugated outer wall layer. A ring-shaped groove is provided on the outer surface at the peak position of the corrugated outer wall layer. Reinforcing ribs are circumferentially spaced at the groove position.

[0005] Preferably, the waveform of the corrugated outer wall layer is a trapezoidal waveform.

[0006] Preferably, the groove is arranged in the middle of the peak of the corrugated outer wall layer.

[0007] Preferably, the reinforcing ribs are supported between two adjacent peaks of the corrugated outer wall layer.

[0008] Preferably, the reinforcing ribs are supported on the wall surface of the groove.

[0009] Preferably, the reinforcing ribs, grooves and reinforcing ribs on the corrugated outer wall layer are integrally formed by a forming mold with a shape fit.

[0010] The utility model has the following beneficial effects:

[0011] By arranging reinforcing ribs, grooves and reinforcing ribs on the corrugated outer wall layer, and the height of the peak is high, the supporting effect is good, and the density is large, the ring stiffness of the pipe is greatly enhanced, thereby enhancing the resistance of the pipeline to soil load. The material used is thick, the whole is stronger, the quality is better, it is durable and stable in use, and it is not easy to crack. Description of the Drawings

[0012] Figure 1 is the front view of the present utility model;

[0013] Figure 2 is the perspective view of the present utility model.

[0014] In the figure: 1, corrugated outer wall layer; 2, straight inner wall layer; 11, reinforcing rib; 12, groove; 13, reinforcing ridge. Detailed Description of the Preferred Embodiments

[0015] 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 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.

[0016] As Figure 1-2 shown, the present utility model provides a technical solution: a buried drainage PE double-wall corrugated pipe, which includes a corrugated outer wall layer 1 and a straight inner wall layer 2. The waveform of the corrugated outer wall layer 1 is a trapezoidal waveform. The inner surface at the trough position of the corrugated outer wall layer 1 is fixedly connected to the outer surface of the straight inner wall layer 2. A circular cavity 3 is formed between the peak position of the corrugated outer wall layer 1 and the straight inner wall layer 2. Reinforcing ribs 11 are circumferentially spaced on the outer surface at the trough position of the corrugated outer wall layer 1. The reinforcing ribs 11 support between two adjacent peaks of the corrugated outer wall layer 1. A circular groove 12 is provided on the outer surface at the peak position of the corrugated outer wall layer 1, and the groove 12 is provided in the middle of the peak of the corrugated outer wall layer 1. Reinforcing ridges 13 are circumferentially spaced at the groove 12 position. The reinforcing ridges 13 support on the wall surface of the groove 12. The reinforcing ribs 11, the groove 12 and the reinforcing ridges 13 on the corrugated outer wall layer 1 are integrally formed by a forming mold with a shape adaptation. By providing the reinforcing ribs 11, the groove 12 and the reinforcing ridges 13 on the corrugated outer wall layer 1, and the height of the peak is high, the support effect is good, the density is large, the ring stiffness of the pipe is greatly enhanced, thereby enhancing the resistance of the pipeline to soil load, the material used is thick, the whole is stronger, the quality is better, it is durable and stable in use, and the situation of cracking is reduced.

[0017] It should be noted that in this article, terms such as "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to this process, method, article or device.

[0018] Although embodiments of the present utility model 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 principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A buried drainage PE double-wall corrugated pipe, characterized in that: It includes a corrugated outer wall layer (1) and a straight inner wall layer (2). The inner surface at the trough position of the corrugated outer wall layer (1) is fixedly connected to the outer surface of the straight inner wall layer (2). A ring-shaped cavity (3) is formed between the peak position of the corrugated outer wall layer (1) and the straight inner wall layer (2). Reinforcing ribs (11) are circumferentially spaced on the outer surface at the trough position of the corrugated outer wall layer (1). A ring-shaped groove (12) is provided on the outer surface at the peak position of the corrugated outer wall layer (1). Reinforcing ribs (13) are circumferentially spaced at the position of the groove (12).

2. The buried drainage PE double-wall corrugated pipe according to claim 1, characterized in that: The waveform of the corrugated outer wall layer (1) is a trapezoidal waveform.

3. A buried drainage PE double-wall corrugated pipe according to claim 1, characterized in that: The groove (12) is provided in the middle of the peak of the corrugated outer wall layer (1).

4. A buried drainage PE double-wall corrugated pipe according to claim 1, characterized in that: The reinforcing rib (11) is supported between two adjacent peaks of the corrugated outer wall layer (1).

5. A buried drainage PE double-wall corrugated pipe according to claim 1, characterized in that: The reinforcing rib (13) is supported on the wall surface of the groove (12).

6. The buried drainage PE double-wall corrugated pipe according to claim 1, wherein: The reinforcing ribs (11), grooves (12) and reinforcing ribs (13) on the corrugated outer wall layer (1) are integrally formed by a forming die with a shape adaptation.