Large-diameter PPR winding pipe with anti-impact buffer structure

The multi-layer structure design of the spiral wound tube solves the problem of large-diameter PPR spiral wound tubes being easily damaged at low temperatures, enhances impact resistance, provides waterproof and wear-resistant properties, and improves service life.

CN223609558UActive Publication Date: 2025-11-28HANGZHOU JINCHENG IND
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Patent Information

Application Number
CN202520377498.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-11-28
Estimated Expiration
2035-03-06

AI Technical Summary

Technical Problem

Existing large-diameter PPR spiral pipes are brittle at low temperatures and have thin walls, resulting in insufficient pressure and impact resistance, which makes them prone to deformation or damage. Springs and connecting plates may wear or fail under long-term use, and they do not have waterproof and wear-resistant properties.

Method used

The design employs a multi-layer structure, including an outer spiral wound pipe layer, an impact-resistant buffer middle layer, and an inner layer. These layers consist of a protective layer, a waterproof layer, a reinforcing fiber layer, an impact-resistant layer, a foam layer, a wave structure, and an elastic plastic layer. The spiral wound structure enhances the pipe's strength, the impact-resistant and foam layers absorb impact forces, the waterproof layer prevents water penetration, and the wave structure improves rigidity and stability.

Benefits of technology

It achieves the impact-resistant and buffering effect of large-diameter PPR spiral pipe, and has good sound insulation and heat preservation performance, waterproof performance and wear resistance, thus extending its service life.

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Abstract

The utility model discloses a large-caliber PPR winding pipe with an anti-impact buffer structure, which relates to the field of large-caliber PPR winding pipes and comprises a winding pipe outer layer, the outer wall of the winding pipe outer layer is fixedly connected with a winding structure, and the inner wall of the winding pipe outer layer is fixedly connected with an anti-impact buffer middle layer. An inner layer is fixedly connected to the inner wall of the anti-impact buffering middle layer, and a wave structure is arranged in the inner layer. According to the large-diameter PPR winding pipe with the impact-resistant buffer structure, the impact-resistant layer and the foaming layer are arranged, the impact-resistant buffer effect of the large-diameter PPR winding pipe is conveniently achieved, the good sound insulation and heat preservation performance is achieved, and the waterproof layer, the outer covering layer and the winding structure are arranged, so that the impact resistance of the large-diameter PPR winding pipe is improved. According to the large-diameter PPR winding pipe, the waterproof performance and the wear-resistant performance of the large-diameter PPR winding pipe are achieved conveniently, and the impact resistance of the large-diameter PPR winding pipe is further enhanced conveniently due to the arrangement of the wave structure, the elastic plastic layer and the antibacterial layer.
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Description

TECHNICAL FIELD

[0001] The utility model relates to large -caliber PPR winding pipe technical field, specifically at large -caliber PPR winding pipe with impact -resistant buffer structure. BACKGROUND

[0002] Large -caliber PPR winding pipe is a kind of pipe material manufactured using special forming process, is widely used in urban infrastructure construction, construction industry, agricultural irrigation, chemical industry, pharmaceutical industry etc., can also be used in ventilation duct, cable protection pipeline and other occasions, meet various special needs;The large -caliber PPR winding pipe of prior art can not provide enough pressure resistance and impact resistance when being used due to the cold brittleness of PPR material itself at low temperature and the thin wall, leading to deformation or damage when being impacted by external force.

[0003] To overcome the above-mentioned defects, the prior art (application number: 201920394000.2, application date is March 27, 2019 Chinese patent) discloses an impact-resistant winding pipe, comprising a pipe body and a convex rib, the convex rib is spirally arranged on the outer wall of the pipe body, one end of the pipe body is provided with a first connecting port, the other end of the pipe body is provided with a second connecting port, the pipe body comprises a wear-resistant layer, a fire-resistant layer and a framework layer, a plurality of first cavities are arranged in the convex rib, a first groove is arranged on the side wall of the first cavity close to the first connecting port, a second groove is arranged on the side wall of the first cavity close to the second connecting port, a first connecting plate is arranged in the first groove, a second connecting plate is arranged on the side wall of the first connecting plate, a third connecting plate is arranged in the second groove, a fourth connecting plate is arranged on the side wall of the third connecting plate, a second cavity is arranged in the second connecting plate, a through hole is formed in the side wall of the second connecting plate close to the third connecting plate, a stop block is arranged in the second cavity on one side of the side wall of the fourth connecting plate, and a spring is arranged on the side wall of the stop block.

[0004] Although the prior art can solve the impact resistance of the winding pipe, the spring and the connecting plate can be worn or failed under long-term use and frequent impact, leading to the decrease of impact resistance, and the spring can lose elasticity under long-time compression or stretching, so as to effectively disperse the impact force, leading to the damage of the pipe, and the winding pipe does not have waterproof and wear-resistant properties.

[0005] Therefore, we propose a large-caliber PPR winding pipe with impact-resistant buffer structure to solve the above problems. Utility model content

[0006] The utility model discloses a purpose at providing a kind of large-diameter PPR winding pipe with impact resistance buffer structure, to solve the problem that winding pipe is used in the above background technology, but spring and connecting plate can be worn or failure under long-term use and frequent impact, leading to impact resistance ability decline, and spring is in compression or stretching state for long time, possibly lose elasticity, cannot effectively disperse impact force, to cause pipeline damage, and winding pipe does not have waterproof performance and wear resistance.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of large-diameter PPR winding pipe with impact resistance buffer structure, including winding pipe outer layer, the outer wall of the winding pipe outer layer is fixedly connected with winding structure, the inner wall of the winding pipe outer layer is fixedly connected with impact resistance buffer middle layer, the inner wall of the impact resistance buffer middle layer is fixedly connected with inner layer, and the inside of the inner layer is provided with wave structure;The winding pipe outer layer includes protective layer, the outer wall of the protective layer is wrapped with waterproof layer, and the outer wall of the waterproof layer is fixedly connected with outer covering;The impact resistance buffer middle layer includes impact resistance layer, the outer wall of the impact resistance layer is fixedly connected with foamed layer, and the outer wall of the foamed layer is wrapped with reinforcing fiber layer.

[0008] As the preferred technical scheme of the application, the inner layer includes a PPR base material layer, the outer wall of the PPR base material layer is wrapped with an elastic plastic layer, and the outer wall of the elastic plastic layer is fixedly connected with a bacteriostatic layer.

[0009] As the preferred technical scheme of the application, the winding pipe outer layer and the winding structure are connected by winding, and the winding structure is made of polyester fiber belt. The winding structure of the polyester fiber belt is fixed to the outer wall of the winding pipe outer layer by winding connection, which enhances the structural strength of the pipeline and improves the tensile strength of the pipeline.

[0010] As the preferred technical scheme of the application, the PPR base material layer is tightly attached to the wave structure and the elastic plastic layer, and the elastic plastic layer is made of elastic plastic material. The wave structure is made of polypropylene material. The wave structure made of polypropylene material not only enhances the impact resistance of the large-diameter PPR winding pipe, but also improves the rigidity and stability of the large-diameter PPR winding pipe. The outer wall of the PPR base material layer is wrapped with an elastic plastic layer made of elastic plastic material, which has excellent elasticity and recovery performance.

[0011] As a preferred technical solution of the application, the impact-resistant layer is fixedly connected with the bacteriostatic layer and the foaming layer, the bacteriostatic layer is made of silver ion antibacterial material, the impact-resistant layer is made of impact-resistant modified material, and the foaming layer is made of foaming composite PP material. The impact-resistant layer is first used, which is made of impact-resistant modified material, has excellent energy absorption and impact force dispersion capacity, can quickly absorb and disperse impact force, and effectively reduces the direct damage of external impact to the internal structure of the pipeline.

[0012] As a preferred technical solution of the application, the reinforcing fiber layer is tightly attached to the protective layer, and the reinforcing fiber layer is made of carbon fiber material, and the protective layer is made of polyethylene material. The reinforcing fiber layer is made of carbon fiber material, has high strength and high modulus characteristics, can enhance the overall structural strength of the pipeline, and prevent the large-diameter PPR winding pipe from deforming or rupturing when impacted.

[0013] As a preferred technical solution of the application, the waterproof layer is fixedly connected with the outer cover layer, and the waterproof layer is made of waterproof material, and the outer cover layer is made of polypropylene copolymer material. The waterproof layer made of waterproof material is tightly attached to the outer wall of the protective layer, effectively prevents moisture from penetrating into the pipeline, protects the pipeline from water erosion, the outer cover layer made of polypropylene copolymer material has good weather resistance and wear resistance, can resist external environmental erosion, and prolongs the service life of the pipeline.

[0014] Compared with the prior art, the large-diameter PPR winding pipe with the impact-resistant buffer structure has the advantages that: the impact-resistant layer and the foaming layer are arranged, the large-diameter PPR winding pipe has the impact-resistant buffer effect, has good sound insulation and heat preservation performance, the waterproof layer, the outer cover layer and the winding structure are arranged, the large-diameter PPR winding pipe has the waterproof performance and the wear resistance, and the wave structure, the elastic plastic layer and the bacteriostatic layer are arranged, the impact resistance of the large-diameter PPR winding pipe is further enhanced, and specific contents are shown as follows:

[0015] 1. The impact-resistant layer and the foaming layer are arranged, the impact-resistant layer effectively reduces the direct damage of external impact to the internal structure of the pipeline, the foaming layer as the second layer of buffer can further absorb energy, reduce the transmission of impact force to the internal structure of the pipeline, and at the same time provide additional sound insulation and heat preservation effect, so that the large-diameter PPR winding pipe has the impact-resistant buffer effect and has good sound insulation and heat preservation performance.

[0016] Further, the waterproof layer, the outer cover layer and the winding structure are arranged, water can be effectively prevented from penetrating into the pipeline through the waterproof layer, the pipeline is protected from water erosion, the outer cover layer can resist the erosion of the external environment, and the service life of the pipeline is prolonged, the winding structure is wound on the outer wall of the outer layer of the winding pipe, the structural strength of the pipeline is enhanced, the tensile force of the pipeline is improved, and the large-diameter PPR winding pipe has the waterproof performance and the wear resistance.

[0017] 2. The wave structure, the elastic plastic layer and the antibacterial layer are arranged, the impact resistance of the large-diameter PPR winding pipe is further enhanced through the wave structure, the rigidity and stability of the large-diameter PPR winding pipe are improved, the elastic plastic layer can quickly absorb and disperse impact force, so that the inside of the pipeline is protected from damage, the impact resistance of the large-diameter PPR winding pipe is further enhanced, the rigidity of the pipeline is improved, the inside of the pipeline is kept clean, and the service life of the large-diameter PPR winding pipe is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a winding pipe outer layer, impact resistance buffer middle layer and inner layer dismounting structure schematic diagram of the utility model;

[0020] Figure 3 It is a winding pipe outer layer local structure schematic diagram of the utility model;

[0021] Figure 4 It is a winding pipe outer layer cross section structure schematic diagram of the utility model;

[0022] Figure 5 It is a winding pipe outer layer cross section structure schematic diagram of the utility model; Figure 3 It is an enlarged structure schematic diagram of A place of the utility model;

[0023] Figure 6 It is an enlarged structure schematic diagram of B place of the utility model. Figure 4

[0024] In the drawing: 1, winding pipe outer layer; 2, winding structure; 3, impact resistance buffer middle layer; 4, inner layer; 5, wave structure; 6, PPR base material layer; 7, elastic plastic layer; 8, antibacterial layer; 9, impact resistance layer; 10, foaming layer; 11, reinforcing fiber layer; 12, protection layer; 13, waterproof layer; 14, outer cover layer. DETAILED DESCRIPTION

[0025] ​The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only 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 skilled in the art without creative labor fall within the scope of the present utility model.

[0026] Please refer to Figures 1-6 The present utility model provides the following technical solutions:

[0027] Embodiment one: the winding pipe on the market is prone to wear or failure of the spring and the connecting plate under long-term use and frequent impact, resulting in a decrease in impact resistance, and the spring may lose elasticity under long-term compression or stretching, thus failing to effectively disperse impact force, leading to pipe damage, and the winding pipe does not have waterproof and wear-resistant properties. The large-diameter PPR winding pipe provided with an impact-resistant buffer structure in the embodiment discloses the following technical content, and the reference drawings are attached Figure 1 -attached Figure 6 , the outer wall of the winding pipe outer layer 1 is fixedly connected with a winding structure 2, the inner wall of the winding pipe outer layer 1 is fixedly connected with an impact-resistant buffer middle layer 3, the inner wall of the impact-resistant buffer middle layer 3 is fixedly connected with an inner layer 4, and the inner layer 4 is internally provided with a wave structure 5; the winding pipe outer layer 1 comprises a protective layer 12, the outer wall of the protective layer 12 is wrapped with a waterproof layer 13, and the outer wall of the waterproof layer 13 is fixedly connected with an outer covering layer 14; the impact-resistant buffer middle layer 3 comprises a shock-resistant layer 9, the outer wall of the shock-resistant layer 9 is fixedly connected with a foamed layer 10, and the outer wall of the foamed layer 10 is wrapped with a reinforced fiber layer 11; the winding pipe outer layer 1 and the winding structure 2 are connected by winding, and the winding structure 2 is made of polyester fiber belt; the shock-resistant layer 9 is fixedly connected with the antibacterial layer 8 and the foamed layer 10, the antibacterial layer 8 is made of silver ion antibacterial material, the shock-resistant layer 9 is made of impact-resistant modified material, and the foamed layer 10 is made of foamed composite PP material; the reinforced fiber layer 11 is tightly attached to the protective layer 12, and the reinforced fiber layer 11 is made of carbon fiber material and the protective layer 12 is made of polyethylene material; the waterproof layer 13 and the outer covering layer 14 are fixedly connected, and the waterproof layer 13 is made of waterproof material and the outer covering layer 14 is made of polypropylene copolymer material.

[0028] When the large-diameter PPR winding pipe is subjected to external impact force, the impact-resistant layer 9 provided first plays a role, which is made of impact-resistant modified material and has excellent energy absorption and impact force dispersion capability, so that the impact-resistant layer 9 can quickly absorb and disperse the impact force, effectively reducing the direct damage of external impact to the internal structure of the pipe. The foaming layer 10 made of foaming composite PP material as the second layer of buffer has the characteristics of light weight and high strength, so that the foaming layer 10 can further absorb energy and reduce the transmission of impact force to the internal structure of the pipe, while providing additional sound insulation and heat preservation effect. The reinforcing fiber layer 11 made of carbon fiber material has the characteristics of high strength and high modulus, so that the reinforcing fiber layer 11 can enhance the overall structural strength of the pipe to prevent the large-diameter PPR winding pipe from deforming or rupturing when subjected to impact. The waterproof layer 13 made of waterproof material is tightly attached to the outer wall of the protective layer 12, effectively preventing water from penetrating into the pipe and protecting the pipe from water erosion. The outer layer 14 made of polypropylene copolymer material has good weather resistance and wear resistance, which can resist external environmental erosion and prolong the service life of the pipe. At the same time, the winding structure 2 of the polyester fiber belt is fixedly connected to the outer wall of the winding pipe outer layer 1 through winding connection, which enhances the structural strength of the pipe and improves the tensile strength of the pipe, realizing the large-diameter PPR winding pipe with impact-resistant buffer effect, and also having good sound insulation, heat preservation, waterproof and wear resistance.

[0029] Example two: a large-diameter PPR winding pipe with impact-resistant buffer structure disclosed in this embodiment has the following technical content, which is convenient for further enhancing the impact resistance of the large-diameter PPR winding pipe. Please refer to the accompanying Figure 1 -Appendix Figure 5 The inner layer 4 includes a PPR base material layer 6, the outer wall of the PPR base material layer 6 is wrapped with an elastic plastic layer 7, and the outer wall of the elastic plastic layer 7 is fixedly connected with a bacteriostatic layer 8; the PPR base material layer 6 is tightly attached with the wave structure 5 and the elastic plastic layer 7, and the elastic plastic layer 7 is made of elastic plastic material, and the wave structure 5 is made of polypropylene material.

[0030] The inner wall of the PPR base material layer 6 is tightly attached with the wave structure 5 made of polypropylene material, which not only enhances the impact resistance of the large-diameter PPR winding pipe, but also improves the rigidity and stability of the large-diameter PPR winding pipe, and the outer wall of the PPR base material layer 6 is wrapped with the elastic plastic layer 7 made of elastic plastic material, which has excellent elasticity and recovery performance, when the large-diameter PPR winding pipe is subjected to external impact force, the elastic plastic layer 7 can quickly absorb and disperse the impact force, thereby protecting the inside of the pipe from damage, the outer wall of the elastic plastic layer 7 is wrapped with the antibacterial layer 8 made of material with antibacterial performance, which is convenient for inhibiting the growth of bacteria and microorganisms in the large-diameter PPR winding pipe, keeping the inside of the pipe clean and sanitary, achieving further enhancement of the impact resistance of the large-diameter PPR winding pipe, and improving the rigidity of the pipe and keeping the inside of the pipe clean, thereby prolonging the service life of the large-diameter PPR winding pipe.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A large-diameter PPR winding pipe provided with an anti-impact buffer structure, comprising a winding pipe outer layer (1), an outer wall of the winding pipe outer layer (1) is fixedly connected with a winding structure (2), an inner wall of the winding pipe outer layer (1) is fixedly connected with an anti-impact buffer middle layer (3), an inner wall of the anti-impact buffer middle layer (3) is fixedly connected with an inner layer (4), and the inner layer (4) is provided with a wave structure (5) in the inside; characterized in that the winding pipe outer layer (1) comprises a protective layer (12), an outer wall of the protective layer (12) is wrapped with a waterproof layer (13), and an outer wall of the waterproof layer (13) is fixedly connected with an outer covering layer (14); the anti-impact buffer middle layer (3) comprises an impact-resistant layer (9), an outer wall of the impact-resistant layer (9) is fixedly connected with a foamed layer (10), and an outer wall of the foamed layer (10) is wrapped with a reinforced fiber layer (11).

2. A large-diameter PPR winding pipe provided with an anti-impact buffer structure according to claim 1, characterized in that: the inner layer (4) comprises a PPR base material layer (6), an outer wall of the PPR base material layer (6) is wrapped with an elastic plastic layer (7), and an outer wall of the elastic plastic layer (7) is fixedly connected with a bacteriostatic layer (8).

3. The large-diameter PPR winding pipe with an anti-impact buffer structure according to claim 1, characterized in that: the winding pipe outer layer (1) and the winding structure (2) are connected in a winding mode, and the winding structure (2) is a polyester fiber belt.

4. A large-diameter PPR winding pipe provided with an anti-impact buffer structure according to claim 2, characterized in that: the PPR base material layer (6) is tightly attached to both the wave structure (5) and the elastic plastic layer (7), the elastic plastic layer (7) is made of an elastic plastic material, and the wave structure (5) is made of a polypropylene material.

5. The large-diameter PPR winding pipe with an anti-impact buffer structure according to claim 1, characterized in that: the impact-resistant layer (9) is fixedly connected to both the bacteriostatic layer (8) and the foamed layer (10), the bacteriostatic layer (8) is made of a silver ion antibacterial material, the impact-resistant layer (9) is made of an impact-resistant modified material, and the foamed layer (10) is made of a foamed composite PP material.

6. The large-diameter PPR winding pipe with an anti-impact buffer structure according to claim 1, characterized in that: the reinforced fiber layer (11) is tightly attached to the protective layer (12), the reinforced fiber layer (11) is made of a carbon fiber material, and the protective layer (12) is made of a polyethylene material.

7. The large-diameter PPR winding pipe with an anti-impact buffer structure according to claim 1, characterized in that: the waterproof layer (13) is fixedly connected to the outer covering layer (14), the waterproof layer (13) is made of a waterproof material, and the outer covering layer (14) is made of a polypropylene copolymer material.

Citation Information

Patent Citations

  • Impact-resistant winding pipe

    CN209743803U