Bending-resistant composite PE solid-wall pipe
By introducing longitudinal reinforcement ribs, annular reinforcement ribs and stainless steel ferrules into composite PE solid-wall pipes, combined with multi-layer material structure, the problems of insufficient tensile strength, bending effect and compressive resistance in the prior art are solved, and the problem of insufficient tensile strength, bending effect and compressive resistance in the prior art is realized. It has significantly improved tensile strength, bending effect and compressive performance, and improved heat insulation and impact buffering performance.
Patent Information
- Application Number
- CN202421163975.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The existing composite PE solid-wall pipes have shortcomings in tensile strength, bending effect and compressive resistance, and it is difficult to significantly improve.
The reinforcement mesh formed by introducing longitudinal reinforcement ribs and annular reinforcement ribs into the composite PE solid-wall pipe, and a stainless steel ferrule is installed on the outside, combining multi-layer material structures such as thermal insulation layer, wrapping layer, tear-resistant layer and elasticity The transition layer improves the tensile strength, bending effect and compressive resistance of the pipe body.
It significantly improves the tensile strength and bending effect of the pipe body, and at the same time enhances the compressive performance through stainless steel ferrules. The insulation layer and elastic transition layer improve the thermal insulation and impact buffering performance of the pipe body, improves the low temperature stability and Friction force.
Smart Images
Figure CN222334720U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipelines, in particular to a bending-resistant composite PE solid wall pipe. Background Art
[0002] Composite PE solid wall pipe is a pipeline product that combines the advantages of multiple materials and technologies. In terms of materials, it is mainly made of PE (polyethylene) and is co-extruded through polyethylene of different densities, such as high-pressure polyethylene, low-pressure polyethylene and linear polyethylene, thus ensuring the basic performance of the pipeline; at the same time, it may also be combined with other materials, such as aluminum-plastic composite layers, to provide optimization in thermal conductivity.
[0003] The existing composite PE solid wall pipe cannot improve the tensile strength of the pipe body, has an insignificant bending resistance, and is not convenient for improving the compressive resistance of the pipe body. Utility Model Content
[0004] In view of the problems in the prior art, the utility model provides a bending-resistant composite PE solid wall pipe. The composite PE solid wall pipe has a reinforcement network formed by longitudinal reinforcement ribs and annular reinforcement ribs to improve the tensile strength of the pipe body, has a significant anti-bending effect, and improves the compressive effect of the pipe body through a stainless steel ring.
[0005] The technical solution adopted by the utility model to solve the technical problem is a bending-resistant composite PE solid wall pipe, including a main body, the outer side of the main body is sleeved with stainless steel ferrules at equal distances, the main body is composed of a PE outer sleeve, a heat insulation layer, a wrapping layer, an anti-tear layer, an elastic transition layer and a PE inner sleeve, and the inner surface of the PE outer sleeve is sleeved with a wrapping layer;
[0006] A heat insulating layer is arranged between the wrapping layer and the PE outer sleeve, longitudinal reinforcing ribs are arranged in the wrapping layer at equal distances along the main pipe direction, annular reinforcing ribs are welded at equal distances on the outside of the longitudinal reinforcing ribs and perpendicular to the main pipe direction, and an anti-tear layer is arranged on the inner surface of the wrapping layer.
[0007] By adopting the above technical solution, the composite PE solid wall pipe has a reinforcement network formed by longitudinal reinforcement ribs and annular reinforcement ribs, which improves the tensile strength of the pipe body, has a significant anti-bending effect, and improves the compressive effect of the pipe body through the stainless steel ferrule.
[0008] Specifically, the inner surface layer of the tear-resistant layer is provided with a PE inner sleeve, and an elastic transition layer is provided between the PE inner sleeve and the tear-resistant layer.
[0009] Specifically, the tear-resistant layer is made of PU material, and the elastic transition layer is made of PP material.
[0010] By adopting the above technical solution, the tear-resistant layer is made of PU material, which improves the crack resistance of the pipe body and has good low-temperature stability. The elastic transition layer is made of PP material with high elasticity and good toughness, which has a buffering effect when the flowing medium impacts the inner wall of the pipe body.
[0011] Specifically, the inner surface of the PE inner sleeve is provided with an anti-stick coating, and the anti-stick coating is specifically made of Teflon material.
[0012] Specifically, the heat insulation layer is a glass heat insulation coating layer, and the wrapping layer is made of EVA material.
[0013] Specifically, the outer surface of the PE outer sleeve is provided with semicircular protrusions, and the semicircular protrusions and the PE outer sleeve are integrally formed.
[0014] By adopting the above technical solution, the one-piece molding improves the integrity of the semicircular protrusion and the PE outer sleeve, which can effectively increase the friction and improve the stability when the pipeline is buried underground.
[0015] Beneficial effects of the utility model:
[0016] (1) The utility model discloses a bending-resistant composite PE solid wall pipe, in which the heat insulation layer is specifically a glass heat insulation coating layer, which has high thermal stability and high temperature resistance, so that the heat insulation effect of the pipe body is significant, thereby preventing the transported medium from being affected. The wrapping layer is specifically made of EVA material, which has good elasticity and buffering performance, thereby helping to reduce impact force.
[0017] (2) The utility model discloses a composite PE solid wall pipe that is resistant to bending. The composite PE solid wall pipe has a reinforcement network formed by longitudinal reinforcement ribs and annular reinforcement ribs, which improves the tensile strength of the pipe body and has a significant anti-bending effect. The stainless steel ferrule also improves the compressive effect of the pipe body. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the main body material structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the anti-stick coating structure of the utility model.
[0022] In the figure: 1. main body; 2. semicircular protrusion; 3. stainless steel ferrule; 4. PE outer sleeve; 5. thermal insulation layer; 6. wrapping layer; 7. longitudinal reinforcement ribs; 8. annular reinforcement ribs; 9. tear-resistant layer; 10. elastic transition layer; 11. PE inner sleeve; 12. anti-stick coating. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0024] In order to improve the tensile strength of the composite PE solid wall pipe through the longitudinal reinforcement ribs 7 and the annular reinforcement ribs 8 to form a reinforcement network, the bending effect is significant, and the compression effect of the pipe body is improved by the stainless steel ring 3. Figure 1-3 As shown, the utility model is a bending-resistant composite PE solid wall pipe, comprising a main body 1, the outer side of the main body 1 is sleeved with stainless steel ferrules 3 at equal distances, the main body 1 is composed of a PE outer sleeve 4, a heat insulation layer 5, a wrapping layer 6, an anti-tear layer 9, an elastic transition layer 10 and a PE inner sleeve 11, and the inner surface of the PE outer sleeve 4 is sleeved with a wrapping layer 6;
[0025] A heat insulation layer 5 is arranged between the wrapping layer 6 and the PE outer sleeve 4, longitudinal reinforcement ribs 7 are arranged inside the wrapping layer 6 and at equal distances along the main pipe 1, annular reinforcement ribs 8 are welded at equal distances on the outside of the longitudinal reinforcement ribs 7 and perpendicular to the main pipe 1, and an anti-tear layer 9 is arranged on the inner surface of the wrapping layer 6.
[0026] When in use, the composite PE solid wall pipe has a reinforcement network formed by the longitudinal reinforcement ribs 7 and the annular reinforcement ribs 8, which improves the tensile strength of the pipe body and has a significant anti-bending effect, and the stainless steel ferrule 3 improves the compression resistance of the pipe body.
[0027] For example, Figure 1 , 2 As shown, the utility model further includes that the inner surface layer of the anti-tear layer 9 is provided with a PE inner sleeve 11 and an elastic transition layer 10 is provided between the PE inner sleeve 11 and the anti-tear layer 9 .
[0028] For example, Figure 2 As shown, the utility model also includes that the tear-resistant layer 9 is specifically made of PU material, and the elastic transition layer 10 is specifically made of PP material.
[0029] When in use, the tear-resistant layer 9 is made of PU material, which improves the crack resistance of the pipe body and has good low-temperature stability. The elastic transition layer 10 is made of PP material with high elasticity and good toughness, which has a buffering effect when the flowing medium impacts the inner wall of the pipe body.
[0030] For example, Figure 2 , 3 As shown, the utility model also includes that the inner surface of the PE inner sleeve 11 is provided with an anti-stick coating 12 and the anti-stick coating 12 is specifically made of Teflon material.
[0031] When in use, the anti-stick coating 12 is specifically made of Teflon material, so that the inner wall of the tube is not easy to be adhered to impurities and is easy to clean.
[0032] For example, Figure 2 As shown, the utility model also includes that the heat insulation layer 5 is specifically a glass heat insulation coating layer, and the wrapping layer 6 is specifically made of EVA material.
[0033] When in use, the wrapping layer 6 is made of EVA material, which has good elasticity and cushioning properties, and is helpful to reduce impact force.
[0034] For example, Figure 1 , 2 As shown, the utility model also includes that the outer surface layer of the PE outer sleeve 4 is provided with a semicircular protrusion 2 and the semicircular protrusion 2 and the PE outer sleeve 4 are integrally formed.
[0035] When in use, the one-piece molding improves the integrity of the semicircular protrusion 2 and the PE outer sleeve 4, and can effectively increase the friction and improve the stability when the pipeline is buried underground.
[0036] When the utility model is in use, the tear-resistant layer 9 is specifically made of PU material, which improves the crack resistance of the tube body and has good low-temperature stability;
[0037] The elastic transition layer 10 is specifically made of PP material, which has high elasticity and good toughness. When the flowing medium impacts the inner wall of the pipe body, it plays a buffering role. The heat insulation layer 5 is specifically made of glass heat insulation coating layer, which has high thermal stability and high temperature resistance, so that the heat insulation effect of the pipe body is significant, avoiding the conveyed medium from being affected.
[0038] The wrapping layer 6 is specifically made of EVA material, which has good elasticity and cushioning properties, and helps to reduce impact force. The composite PE solid wall pipe has a reinforcement network formed by longitudinal reinforcement ribs 7 and annular reinforcement ribs 8, which improves the tensile strength of the pipe body and has a significant anti-bending effect. The stainless steel ring 3 also improves the compressive effect of the pipe body.
[0039] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.
Claims
1. A bending-resistant composite PE solid wall pipe, characterized in that: It comprises a main pipe (1), the outer side of the main pipe (1) is sleeved with stainless steel ferrules (3) at equal distances, the main pipe (1) is composed of a PE outer sleeve (4), a heat insulation layer (5), a wrapping layer (6), an anti-tear layer (9), an elastic transition layer (10) and a PE inner sleeve (11), and the inner surface of the PE outer sleeve (4) is sleeved with a wrapping layer (6); A heat insulating layer (5) is provided between the wrapping layer (6) and the PE outer sleeve (4); longitudinal reinforcing ribs (7) are provided in the wrapping layer (6) at equal distances along the direction of the main pipe (1); annular reinforcing ribs (8) are welded at equal distances on the outside of the longitudinal reinforcing ribs (7) and perpendicular to the direction of the main pipe (1); and an anti-tear layer (9) is provided on the inner surface of the wrapping layer (6).
2. The bending-resistant composite PE solid wall pipe according to claim 1, characterized in that: The inner surface layer of the tear-resistant layer (9) is provided with a PE inner sleeve (11), and an elastic transition layer (10) is provided between the PE inner sleeve (11) and the tear-resistant layer (9).
3. The bending-resistant composite PE solid wall pipe according to claim 2, characterized in that: The tear-resistant layer (9) is specifically made of PU material, and the elastic transition layer (10) is specifically made of PP material.
4. The bending-resistant composite PE solid wall pipe according to claim 1, characterized in that: The inner surface layer of the PE inner sleeve (11) is provided with an anti-stick coating (12), and the anti-stick coating (12) is specifically made of Teflon material.
5. The bending-resistant composite PE solid wall pipe according to claim 1, characterized in that: The heat-insulating layer (5) is specifically a glass heat-insulating coating layer, and the wrapping layer (6) is specifically made of EVA material.
6. The bending-resistant composite PE solid wall pipe according to claim 1, characterized in that: The outer surface of the PE outer sleeve (4) is provided with a semicircular protrusion (2), and the semicircular protrusion (2) and the PE outer sleeve (4) are integrally formed.