Heat insulation polyethylene heat preservation composite pipe

Abstract

The utility model relates to the technical field of composite pipes, and discloses a heat insulation polyethylene heat preservation composite pipe which comprises a bottom plate and a composite pipe body, the outer walls of the front side and the rear side of the top end of the bottom plate are fixedly connected with supporting plates, the top ends of the supporting plates on the two sides are fixedly connected with limiting plates, and the limiting plates are connected with the bottom plate through first springs. The limiting plate is connected with a first arc-shaped plate through a second spring, and a fixing column is fixedly connected to the middle of the bottom end of the first arc-shaped plate. According to the polyethylene heat preservation composite pipe, protection on the composite pipe is enhanced through the protection assembly, the effect of prolonging the service life of the polyethylene heat preservation composite pipe is achieved, the composite pipe is fixed through cooperation of the screw rod, the first arc-shaped plate and the second arc-shaped plate, and supporting force is provided through the fixing column, the first spring and the second spring when the pipe vibrates; the composite pipe can be quickly recovered to the original position, and the effect of enhancing the stability and reliability of the polyethylene heat preservation composite pipe is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of composite pipes, in particular to a heat-insulating polyethylene thermal insulation composite pipe. Background Art

[0002] The polyethylene thermal insulation composite pipe is a heat-insulating material used for pipeline heat insulation. Its structure mainly includes an inner pipe, a thermal insulation material layer, and an outer care layer. The polyethylene thermal insulation composite pipe is widely used in fields such as construction, municipal engineering, heating, ventilation and air conditioning, and industrial pipelines. It can effectively improve the thermal performance of the pipeline system, reduce energy consumption, and lower the operating cost. It is an ideal pipeline heat-insulating material.

[0003] After retrieval, a multilayer composite pipe with anti-extrusion function, with the publication number CN211875322U, "comprises a steel pipe body, an outer side of the steel pipe body is fixedly provided with a polyethylene thermal insulation layer, an outer side of the polyethylene thermal insulation layer is fixedly provided with a rock wool pipe sound insulation layer, an outer side of the rock wool pipe sound insulation layer is provided with a PVC outer pipe sleeve, an inner part of the PVC outer pipe sleeve is fixedly provided with a layer of connecting net, and one end of the steel pipe body is provided with an extension ring. In this utility model, a multilayer composite pipe is designed. By designing a connecting net inside the outer PVC outer pipe sleeve, the problem that the PVC outer pipe sleeve is prone to cracking when exposed to the outside for a long time can be solved; in addition, a rock wool pipe sound insulation layer and a polyethylene thermal insulation layer are designed in the inner layer of the composite pipe in this utility model, which can preferably play the roles of heat insulation and sound insulation. And an extension ring is designed at the end of the steel pipe body, and the extension ring extends to the edge of the PVC outer pipe sleeve to seal the edge ends of the connecting net, the rock wool pipe sound insulation layer and the polyethylene thermal insulation layer, playing the roles of sealing and protection".

[0004] Based on the above patent, by designing a connecting net inside the outer PVC outer pipe sleeve, the problem that the PVC outer pipe sleeve is prone to cracking when exposed to the outside for a long time can be solved; in addition, a rock wool pipe sound insulation layer and a polyethylene thermal insulation layer are designed in the inner layer of the composite pipe in this utility model, which can preferably play the roles of heat insulation and sound insulation. And an extension ring is designed at the end of the steel pipe body, and the extension ring extends to the edge of the PVC outer pipe sleeve to seal the edge ends of the connecting net, the rock wool pipe sound insulation layer and the polyethylene thermal insulation layer, playing the roles of sealing and protection. However, when this composite pipe is in use, only the connecting net is used to protect the composite pipe to prevent it from being damaged, and there may be a problem of insufficient protection strength, which may affect the service life of the composite pipe. Moreover, the polyethylene thermal insulation composite pipe has a certain degree of flexibility, and it may be displaced or deformed due to vibration when transporting the medium, reducing the stability and reliability of the polyethylene thermal insulation composite pipe, thus affecting the operation efficiency. Therefore, this application proposes a heat-insulating polyethylene thermal insulation composite pipe. Summary of the Utility Model

[0005] The purpose of the present utility model is to solve the deficiencies existing in the prior art, and a heat-insulating polyethylene thermal insulation composite pipe is proposed. Through the protection component, the protection of the composite pipe can be enhanced, achieving the effect of increasing the service life of the polyethylene thermal insulation composite pipe. The composite pipe is fixed through the cooperation of the screw, the first arc plate and the second arc plate. When the pipeline vibrates, the fixed column, the first spring and the second spring provide a supporting force, enabling the composite pipe to quickly return to its original position, achieving the effect of enhancing the stability and reliability of the polyethylene thermal insulation composite pipe.

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

[0007] A heat-insulating polyethylene thermal insulation composite pipe, including a bottom plate and a composite pipe body. Both the front and rear outer walls of the top end of the bottom plate are fixedly connected with support plates. The top ends of both support plates are fixedly connected with a limit plate. The limit plate is connected to the bottom plate through a first spring. The limit plate is connected to the first arc plate through a second spring. The middle of the bottom end of the first arc plate is fixedly connected with a fixed column. The outer wall of the fixed column is slidably connected to the middle inner wall of the limit plate. Both the front and rear sides of the bottom end of the first arc plate are fixedly connected with support columns. The outer walls of the bottom ends of both support columns are slidably connected to the inner wall of the limit plate. The rear side of the top end of the first arc plate is rotatably connected to a second arc plate. The front ends of both the first arc plate and the second arc plate are fixedly connected with connecting plates. Both connecting plates are connected to a limit block through a screw. The outer walls of the opposite ends of both the first arc plate and the second arc plate are arranged on the outer wall of the composite pipe body. The composite pipe body is connected to the inner layer through a protection component.

[0008] Furthermore, the bottom end of the first spring is fixedly connected to the middle of the top end of the bottom plate, and the end of the first spring away from the bottom plate is fixedly connected to the middle of the bottom end of the limit plate.

[0009] Furthermore, the bottom end of the second spring is fixedly connected to the middle of the top end of the limit plate, and the end of the second spring away from the limit plate is fixedly connected to the middle of the bottom end of the first arc plate. The second spring is arranged on the outer wall of the fixed column.

[0010] Furthermore, the middle outer wall of the screw is threadedly connected to the inner walls of both connecting plates, and the upper and lower outer walls of the screw are threadedly connected to the inner walls of both limit blocks.

[0011] Furthermore, the protection component includes an anti-corrosion layer fixedly connected to the outer layer of the inner layer. The material of the anti-corrosion layer is set as hot-dip galvanized. The outer layer of the anti-corrosion layer is fixedly connected to a compression-resistant layer. The material of the compression-resistant layer is set as high-density polyethylene.

[0012] Furthermore, a reinforcing layer is fixedly connected to the outer layer of the compressive layer. The material of the reinforcing layer is set as polypropylene, and a heat-insulating layer is fixedly connected to the outer layer of the reinforcing layer.

[0013] Furthermore, a wear-resistant layer is fixedly connected to the outer layer of the heat-insulating layer. The material of the wear-resistant layer is set as polyurethane, and an ultraviolet stabilizer is arranged on the outer layer of the wear-resistant layer.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, when the composite pipe body conveys the medium, there may be corrosive substances in the medium. Through the anti-corrosion layer, the direct contact between the medium and the pipeline can be effectively isolated, preventing the corrosion of the pipeline. Through the compressive layer, the overall strength and rigidity of the pipeline can be improved, bearing external pressure and impact, and protecting the pipeline from external force damage. Through the reinforcing layer, the mechanical strength and pressure-bearing capacity of the pipeline can be increased, improving the mechanical properties such as anti-tensile, anti-extrusion, and anti-impact of the pipeline. Through the wear-resistant layer, the surface wear of the pipeline caused by friction and abrasion during use can be prevented, reducing the friction resistance on the surface of the pipeline and the energy consumption of the pipeline system. Through the ultraviolet stabilizer, ultraviolet rays can be absorbed or scattered, reducing the influence of ultraviolet rays on the pipeline material, inhibiting the aging process of the pipeline, enhancing the protection of the composite pipe, and achieving the effect of increasing the service life of the polyethylene heat-insulating composite pipe.

[0016] 2. In the utility model, rotate the second arc-shaped plate to cooperate with the first arc-shaped plate to clamp the composite pipe body. The screw rotates in the connecting plate, and then rotate the limiting blocks on both sides to squeeze the connecting plate, making the fixation of the first arc-shaped plate and the second arc-shaped plate on the composite pipe body more stable. When the composite pipe body vibrates during the conveyance of the medium, the fixed column and the support column penetrate the limiting plate, increasing the buffer space. Through the elastic action of the first spring and the second spring, a supporting force is provided for the first arc-shaped plate, the second arc-shaped plate, and the composite pipe body, enabling it to quickly return to its original position and avoiding the situation of the composite pipe body moving and deforming due to vibration, achieving the effect of enhancing the stability and reliability of the polyethylene heat-insulating composite pipe. Description of the Drawings

[0017] Figure 1 is a three-dimensional view of a heat-insulating polyethylene heat-insulating composite pipe proposed by the utility model;

[0018] Figure 2 is a schematic structural diagram of a protection component of a heat-insulating polyethylene heat-insulating composite pipe proposed by the utility model;

[0019] Figure 3 is a partial structural diagram of a heat-insulating polyethylene heat-insulating composite pipe proposed by the utility model.

[0020] Legend Explanation:

[0021] 1. Bottom plate; 2. Support plate; 3. Limiting plate; 4. First spring; 5. Support column; 6. Second spring; 7. Fixed column; 8. First arc-shaped plate; 9. Second arc-shaped plate; 10. Connecting plate; 11. Screw; 12. Limiting block; 13. Composite pipe body; 14. Inner layer; 15. Anticorrosion layer; 16. Compression-resistant layer; 17. Reinforcing layer; 18. Thermal insulation layer; 19. Wear-resistant layer; 20. Ultraviolet stabilizer; Detailed implementation manner

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0023] Refer to Figures 1-3 As shown in the figure, an embodiment provided by the present invention: a heat-insulating polyethylene thermal insulation composite pipe, including a bottom plate 1 and a composite pipe body 13. Both the front and rear outer walls of the top end of the bottom plate 1 are fixedly connected with support plates 2. The top ends of the two support plates 2 are fixedly connected with a limiting plate 3. The limiting plate 3 is connected to the bottom plate 1 through a first spring 4. The limiting plate 3 is connected to the first arc-shaped plate 8 through a second spring 6. The middle part of the bottom end of the first arc-shaped plate 8 is fixedly connected with a fixed column 7. The outer walls of the fixed column 7 are all slidably connected to the inner walls of the middle parts of the limiting plates 3. The front and rear sides of the bottom end of the first arc-shaped plate 8 are both fixedly connected with support columns 5. The outer walls of the bottom ends of the two support columns 5 are all slidably connected to the inner walls of the limiting plates 3. The rear side of the top end of the first arc-shaped plate 8 is rotatably connected to the second arc-shaped plate 9. The front ends of the first arc-shaped plate 8 and the second arc-shaped plate 9 are both fixedly connected with connecting plates 10. The two connecting plates 10 are both connected to the limiting blocks 12 through screws 11. The opposite outer ends of the first arc-shaped plate 8 and the second arc-shaped plate 9 are both arranged on the outer wall of the composite pipe body 13. The inner wall of the composite pipe body 13 is fixedly connected with an inner layer 14. The bottom end of the first spring 4 is fixedly connected to the middle part of the top end of the bottom plate 1. The end of the first spring 4 far from the bottom plate 1 is fixedly connected to the middle part of the bottom end of the limiting plate 3. The bottom end of the second spring 6 is fixedly connected to the middle part of the top end of the limiting plate 3. The end of the second spring 6 far from the limiting plate 3 is fixedly connected to the middle part of the bottom end of the first arc-shaped plate 8. The second spring 6 is arranged on the outer wall of the fixed column 7. The middle outer walls of the screws 11 are all threadedly connected to the inner walls of the two connecting plates 10. The upper and lower outer walls of the screws 11 are all threadedly connected to the inner walls of the two limiting blocks 12.

[0024] Furthermore, by rotating the screw rod 11 in the connecting plate 10 and squeezing the connecting plate 10 by rotating the limit blocks 12 on both sides, the first arc-shaped plate 8 and the second arc-shaped plate 9 can stably fix and clamp the composite pipe body 13. By sliding the support column 5 and the fixed column 7 in the limit plate 3, the buffer space during the vibration of the composite pipe body 13 can be increased. At the same time, through the elastic action of the first spring 4 and the second spring 6, a supporting force is provided for the first arc-shaped plate 8, the second arc-shaped plate 9 and the composite pipe body 13. When the composite pipe body 13 vibrates, it can quickly return to its original position, enhancing the stability and reliability of the polyethylene thermal insulation composite pipe.

[0025] Referring to Figure 2 , an anti-corrosion layer 15 is fixedly connected to the outer layer of the inner layer 14. The material of the anti-corrosion layer 15 is set as hot-dip galvanized. An anti-pressure layer 16 is fixedly connected to the outer layer of the anti-corrosion layer 15. The material of the anti-pressure layer 16 is set as high-density polyethylene. An enhancement layer 17 is fixedly connected to the outer layer of the anti-pressure layer 16. The material of the enhancement layer 17 is set as polypropylene. A thermal insulation layer 18 is fixedly connected to the outer layer of the enhancement layer 17. A wear-resistant layer 19 is fixedly connected to the outer layer of the thermal insulation layer 18. The material of the wear-resistant layer 19 is set as polyurethane. A UV stabilizer 20 is arranged on the outer layer of the wear-resistant layer 19.

[0026] Furthermore, when the composite pipe body 13 conveys the medium, the inner layer 14 has a smooth surface, which can reduce the frictional resistance when the medium flows inside the pipeline. And there may be corrosive substances in the medium. Through the anti-corrosion layer 15, the direct contact between the medium and the pipeline can be effectively isolated, preventing the corrosion of the pipeline. Through the anti-pressure layer 16, the overall strength and rigidity of the pipeline can be improved, bearing external pressure and impact, and protecting the pipeline from external force damage. Through the enhancement layer 17, the mechanical strength and pressure-bearing capacity of the pipeline can be increased, improving the mechanical properties such as anti-tensile, anti-extrusion, and anti-impact of the pipeline. Through the thermal insulation layer 18, the heat exchange between the medium inside the pipeline and the external environment can be effectively reduced, keeping the temperature of the medium stable and preventing heat loss. Through the wear-resistant layer 19, the pipeline can be prevented from surface wear due to friction and abrasion during use, reducing the frictional resistance on the surface of the pipeline and reducing the energy consumption of the pipeline system. Through the UV stabilizer 20, ultraviolet rays can be absorbed or scattered, reducing the influence of ultraviolet rays on the pipeline material, inhibiting the aging process of the pipeline, enhancing the protection of the composite pipe body 13, and increasing the service life of the polyethylene thermal insulation composite pipe.

[0027] Working principle: First, place the composite pipe body 13 on the first arc-shaped plate 8. Then, rotate the second arc-shaped plate 9 so that the first arc-shaped plate 8 and the second arc-shaped plate 9 cooperate to clamp the composite pipe body 13. After that, rotate the screw 11 in the connecting plates 10 on both sides, and then rotate the limiting blocks 12 on both sides to squeeze the connecting plates 10 to achieve the fixed clamping of the composite pipe body 13. When the composite pipe body 13 vibrates during use, it drives the support columns 5 and the fixed columns 7 to move up and down. The support columns 5 and the fixed columns 7 slide in the limiting plate 3 to increase the buffer space. At the same time, due to the elastic action of the first spring 4 and the second spring 6, a supporting force is provided for the first arc-shaped plate 8, the second arc-shaped plate 9 and the composite pipe body 13, enabling it to quickly return to its original position. Moreover, when the composite pipe body 13 conveys the medium, there may be corrosive substances in the medium. The anti-corrosion layer 15 can effectively isolate the direct contact between the medium and the pipeline, preventing the corrosion of the pipeline. The compressive layer 16 can improve the overall strength and rigidity of the pipeline, withstand external pressure and impact, and protect the pipeline from external force damage. The strengthening layer 17 can increase the mechanical strength and pressure-bearing capacity of the pipeline, improving the mechanical properties such as anti-tensile, anti-extrusion, and anti-impact of the pipeline. The wear-resistant layer 19 can prevent the surface of the pipeline from being worn due to friction and abrasion during use, reduce the frictional resistance on the surface of the pipeline, and reduce the energy consumption of the pipeline system. The ultraviolet stabilizer 20 can absorb or scatter ultraviolet rays, reduce the influence of ultraviolet rays on the pipeline material, inhibit the aging process of the pipeline, enhance the protection of the composite pipe body 13, and extend the service life of the polyethylene insulation composite pipe.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A thermally insulating polyethylene composite pipe, comprising a base plate (1) and a composite pipe body (13), characterized in that: The front and rear outer walls of the top of the bottom plate (1) are fixedly connected to support plates (2), the tops of the support plates (2) on both sides are fixedly connected to limit plates (3), the limit plates (3) are connected to the bottom plate (1) via a first spring (4), the limit plates (3) are connected to the first curved plate (8) via a second spring (6), a fixing column (7) is fixedly connected to the middle of the bottom end of the first curved plate (8), the outer walls of the fixing column (7) are slidably connected to the middle inner wall of the limit plate (3), the front and rear sides of the bottom end of the first curved plate (8) are fixedly connected to support columns (5), The outer walls of the bottom ends of the support columns (5) on both sides are slidably connected to the inner wall of the limit plate (3); the rear side of the top end of the first arc plate (8) is rotatably connected to the second arc plate (9); the front ends of the first arc plate (8) and the second arc plate (9) are fixedly connected to connecting plates (10); the connecting plates (10) on both sides are connected to the limit blocks (12) through screws (11); the outer walls of the opposite ends of the first arc plate (8) and the second arc plate (9) are arranged on the outer wall of the composite pipe body (13); and the composite pipe body (13) is connected to the inner layer (14) through a protective component.

2. The thermal insulation polyethylene composite pipe according to claim 1, characterized in that: The bottom end of the first spring (4) is fixedly connected to the middle of the top end of the bottom plate (1), and the end of the first spring (4) away from the bottom plate (1) is fixedly connected to the middle of the bottom end of the limiting plate (3).

3. The thermal insulation polyethylene composite pipe according to claim 1, characterized in that: The bottom end of the second spring (6) is fixedly connected to the middle of the top end of the limiting plate (3), one end of the second spring (6) away from the limiting plate (3) is fixedly connected to the middle of the bottom end of the first arc-shaped plate (8), and the second spring (6) is arranged on the outer wall of the fixing column (7).

4. The thermal insulation polyethylene composite pipe according to claim 1, characterized in that: The middle outer wall of the screw rod (11) is threadedly connected to the inner walls of the connecting plates (10) on both sides, and the upper and lower outer walls of the screw rod (11) are threadedly connected to the inner walls of the limit blocks (12) on both sides.

5. The thermal insulation polyethylene composite pipe according to claim 1, characterized in that: The protective component comprises an anti-corrosion layer (15) fixedly connected to the outer layer of the inner layer (14), the material of the anti-corrosion layer (15) being hot-dip galvanized, and the outer layer of the anti-corrosion layer (15) being fixedly connected to a pressure-resistant layer (16), the material of the pressure-resistant layer (16) being high-density polyethylene.

6. The thermal insulation polyethylene composite pipe according to claim 5, characterized in that: The outer layer of the pressure-resistant layer (16) is fixedly connected to a reinforcement layer (17), the material of the reinforcement layer (17) is set to polypropylene, and the outer layer of the reinforcement layer (17) is fixedly connected to a thermal insulation layer (18).

7. The thermal insulation polyethylene composite pipe according to claim 6, characterized in that: The outer layer of the thermal insulation layer (18) is fixedly connected to a wear-resistant layer (19), the material of the wear-resistant layer (19) is set to be polyurethane, and the outer layer of the wear-resistant layer (19) is provided with an ultraviolet stabilizer (20).

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