PVC (polyvinyl chloride) pipe with high-pressure-resistant structure

Abstract

The utility model discloses a PVC pipe of a high pressure resistant structure, which comprises an outer pipe body and an inner pipe body, the inner pipe body is arranged in the outer pipe body, the outer part of the inner pipe body is fixedly connected with a first bonding layer, the inner wall of the outer pipe body is fixedly connected with a first fixing groove, the outer part of the inner pipe body is fixedly connected with a second fixing groove, and the inner wall of the outer pipe body is fixedly connected with a second bonding layer. And a reinforcing structure for assisting in reinforcing the whole pipe body is arranged between the first fixing groove and the second fixing groove. According to the PVC pipe of the high-pressure-resistant structure, by arranging parts such as the outer pipe body, when the PVC pipe is assembled, a first reinforcing block can be inserted into a first fixing groove and a second fixing groove correspondingly, then the two sides of a second reinforcing block are clamped to connecting blocks on the two sides of the first reinforcing block to be fixed, and therefore the second reinforcing block can be conveniently connected with the first reinforcing block; therefore, when pressure is generated outside, the inner pipe body can be protected to a certain degree, and the problem that the anti-pressure capacity is not enough is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipes, in particular to a PVC pipe with a high-pressure resistant structure. Background Art

[0002] PVC pipe is a pipe with polyvinyl chloride resin as the main component. Usually, other ingredients such as stabilizers and lubricants are added to this material to enhance its heat resistance and ductility. It is mostly suitable for drainage, liquid transportation, and gas transportation. PVC pipe is one of the most widely used synthetic materials.

[0003] According to the search, the existing high-pressure resistant PVC pipe design only has a single-layer pipe body, a simple design, and insufficient pressure resistance, which causes the outer part of the pipe body to easily break or dent, resulting in a short service life and also affecting subsequent use. Therefore, it needs to be improved.

[0004] Now, a new type of PVC pipe with high pressure resistant structure is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a PVC pipe with a high-pressure resistant structure to solve the problem of insufficient pressure resistance in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVC pipe with a high-pressure resistant structure, comprising an outer pipe body and an inner pipe body, the inner pipe body is arranged inside the outer pipe body, the outer part of the inner pipe body is fixedly connected with a first adhesive layer, the inner wall of the outer pipe body is fixedly connected with a first fixing groove, the outer part of the inner pipe body is fixedly connected with a second fixing groove, and a reinforcement structure for assisting the overall reinforcement of the pipe body is arranged between the first fixing groove and the second fixing groove;

[0007] The reinforcement structure includes a first reinforcement block, a second reinforcement block, a connecting block and a reserved groove, the first reinforcement block is arranged between the first fixed groove and the second fixed groove, the connecting blocks are fixedly connected on both sides of the first reinforcement block, the second reinforcement block is arranged between the first reinforcement blocks, and the reserved grooves are arranged on both sides of the second reinforcement block.

[0008] Preferably, the positions of the first fixing groove and the second fixing groove coincide with each other, and the second reinforcement block is detachably connected to the outside of the connecting block through a reserved groove.

[0009] Preferably, the first adhesive layer is fixedly connected to the outside with a first heat-resistant layer, the first heat-resistant layer is fixedly connected to the outside with a first corrosion-resistant layer, and the first corrosion-resistant layer is fixedly connected to the outside with a wear-resistant layer.

[0010] Preferably, the material of the first corrosion-resistant layer is polyurethane, and the material of the wear-resistant layer is ceramic wear-resistant coating.

[0011] Preferably, the top end of the first reinforcement block is detachably embedded in the first fixing groove, and the bottom end of the first reinforcement block is detachably embedded in the second fixing groove.

[0012] Preferably, ten groups of the first reinforcement blocks are provided, and the first reinforcement blocks are distributed between the outer tube body and the inner tube body at equal intervals.

[0013] Preferably, the inner wall of the inner tube body is fixedly connected with a second adhesive layer, the inner wall of the second adhesive layer is fixedly connected with a second heat-resistant layer, the inner wall of the second heat-resistant layer is fixedly connected with a thermal insulation layer, and the inner wall of the thermal insulation layer is fixedly connected with a second corrosion-resistant layer.

[0014] Preferably, the second heat-resistant layer is a rubber powder polystyrene particle insulation slurry, and the second corrosion-resistant layer is a graphene composite anti-corrosion coating.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the PVC pipe with high-pressure resistant structure not only realizes the function of compressive reinforcement of the pipe body, realizes the enhancement of the wear resistance and corrosion resistance of the outer part of the pipe body, but also realizes the improvement of internal heat preservation and heat resistance;

[0016] (1) By providing an outer tube body, an inner tube body, a first fixing groove, a first reinforcement block, a second reinforcement block, a connecting block, a reserved groove, and a second fixing groove, during assembly, the first reinforcement block can be respectively inserted into the first fixing groove and the second fixing groove, and then the two sides of the second reinforcement block are clamped and fixed on the connecting blocks on both sides of the first reinforcement block, so as to facilitate connection with the first reinforcement block. In this way, when external pressure is generated, a certain protective effect can be provided to the inner tube body;

[0017] (2) By providing a first bonding layer, a first heat-resistant layer, a first corrosion-resistant layer, and a wear-resistant layer, the first bonding layer is fixedly connected to the first heat-resistant layer on the outside, the first heat-resistant layer is fixedly connected to the first corrosion-resistant layer on the outside, the first corrosion-resistant layer is fixedly connected to the wear-resistant layer on the outside, the first corrosion-resistant layer is made of polyurethane, and the wear-resistant layer is made of ceramic wear-resistant coating. By using the first heat-resistant layer, the heat-resistant effect can be improved, and by using the wear-resistant layer, the outside can have a certain wear resistance. In addition, because the first corrosion-resistant layer is also provided, the corrosion resistance of the inside and outside is enhanced, thereby extending the service life of the pipe body;

[0018] (3) By providing a second adhesive layer, a second heat-resistant layer, a thermal insulation layer, and a second corrosion-resistant layer, the inner wall of the inner tube body is fixedly connected to the second adhesive layer, the inner wall of the second adhesive layer is fixedly connected to the second heat-resistant layer, the inner wall of the second heat-resistant layer is fixedly connected to the thermal insulation layer, and the inner wall of the thermal insulation layer is fixedly connected to the second corrosion-resistant layer. When liquid passes through the inner wall, the second corrosion-resistant layer can prevent the inner wall from being corroded. When encountering liquid with a higher temperature, the second heat-resistant layer will also play a heat-resistant role and also have a thermal insulation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0020] Figure 2 It is a side view structural diagram of the connection method of the wear-resistant layer and the corrosion-resistant layer of the utility model;

[0021] Figure 3 This is a front view structural diagram of the connection method between the first reinforcement block and the second reinforcement block of the utility model;

[0022] Figure 4 This is a front view structural schematic diagram of the connection method between the inner tube body and the heat-resistant layer of the utility model.

[0023] In the figure: 1. outer tube body; 2. first bonding layer; 3. first heat-resistant layer; 4. first corrosion-resistant layer; 5. wear-resistant layer; 6. first fixing groove; 7. first reinforcement block; 8. second reinforcement block; 9. connecting block; 10. reserved groove; 11. inner tube body; 12. second bonding layer; 13. second heat-resistant layer; 14. thermal insulation layer; 15. second corrosion-resistant layer; 16. second fixing groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Example 1: Please refer to Figure 1-4 A PVC pipe with a high-pressure resistant structure comprises an outer pipe body 1 and an inner pipe body 11, wherein the inner pipe body 11 is arranged inside the outer pipe body 1, a first adhesive layer 2 is fixedly connected to the outside of the inner pipe body 11, a first fixing groove 6 is fixedly connected to the inner wall of the outer pipe body 1, a second fixing groove 16 is fixedly connected to the outside of the inner pipe body 11, and a reinforcement structure for assisting the overall reinforcement of the pipe body is arranged between the first fixing groove 6 and the second fixing groove 16;

[0026] The reinforcement structure includes a first reinforcement block 7, a second reinforcement block 8, a connection block 9 and a reserved groove 10. The first reinforcement block 7 is arranged between the first fixing groove 6 and the second fixing groove 16. The connection blocks 9 are fixedly connected to both sides of the first reinforcement block 7. The second reinforcement block 8 is arranged between the first reinforcement blocks 7. The reserved grooves 10 are arranged on both sides of the second reinforcement block 8.

[0027] The positions of the first fixing groove 6 and the second fixing groove 16 are consistent, and the second reinforcement block 8 is detachably connected to the outside of the connecting block 9 through the reserved groove 10;

[0028] The top end of the first reinforcing block 7 is detachably embedded in the first fixing groove 6, and the bottom end of the first reinforcing block 7 is detachably embedded in the second fixing groove 16;

[0029] Ten groups of first reinforcement blocks 7 are provided, and the first reinforcement blocks 7 are evenly spaced and distributed between the outer tube body 1 and the inner tube body 11;

[0030] Specifically, Figure 1 and Figure 3 As shown, during assembly, the first reinforcement block 7 can be respectively inserted into the first fixing groove 6 and the second fixing groove 16, and then the two sides of the second reinforcement block 8 are clamped on the connecting blocks 9 on both sides of the first reinforcement block 7 and fixed, so as to facilitate the connection between the first reinforcement block 7 and the first reinforcement block 7. In this way, when external pressure is generated, it can have a certain protective effect on the inner tube body 11.

[0031] Embodiment 2: The first heat-resistant layer 3 is fixedly connected to the outside of the first bonding layer 2, the first corrosion-resistant layer 4 is fixedly connected to the outside of the first heat-resistant layer 3, and the wear-resistant layer 5 is fixedly connected to the outside of the first corrosion-resistant layer 4;

[0032] The material of the first corrosion-resistant layer 4 is polyurethane, and the material of the wear-resistant layer 5 is ceramic wear-resistant coating;

[0033] Specifically, Figure 1 and Figure 2 As shown, the first heat-resistant layer 3 can be used to improve the heat-resistant effect, and the wear-resistant layer 5 can make the exterior have a certain wear resistance. In addition, since the first corrosion-resistant layer 4 is also provided, the corrosion resistance of the interior and exterior is enhanced, thereby extending the service life of the pipe body.

[0034] Embodiment 3: The inner wall of the inner tube body 11 is fixedly connected with the second adhesive layer 12, the inner wall of the second adhesive layer 12 is fixedly connected with the second heat-resistant layer 13, the inner wall of the second heat-resistant layer 13 is fixedly connected with the insulation layer 14, and the inner wall of the insulation layer 14 is fixedly connected with the second corrosion-resistant layer 15;

[0035] The second heat-resistant layer 13 is a rubber powder polystyrene particle insulation slurry, and the second corrosion-resistant layer 15 is a graphene composite anti-corrosion coating;

[0036] Specifically, Figure 1 and Figure 3 As shown, when liquid passes through the interior, the second corrosion-resistant layer 15 can prevent the inner wall from being corroded. When encountering liquid with a higher temperature, the second heat-resistant layer 13 will also play a heat-resistant role and also have a heat-insulating effect.

[0037] Working principle: When the utility model is in use, first, during assembly, the first reinforcement block 7 can be respectively inserted into the first fixing groove 6 and the second fixing groove 16, and then the two sides of the second reinforcement block 8 can be clamped on the connecting blocks 9 on both sides of the first reinforcement block 7 and fixed, so as to facilitate the connection between it and the first reinforcement block 7. In this way, when external pressure is generated, it can have a certain protective effect on the inner tube body 11. Afterwards, when the liquid passes through the inside, the second corrosion-resistant layer 15 can prevent the inner wall from being corroded. When encountering a liquid with a higher temperature, the second heat-resistant layer 13 will also play a heat-resistant role and also have a heat-insulating effect. Finally, the first heat-resistant layer 3 can be used to improve the heat-resistant effect. The wear-resistant layer 5 can make the outside have a certain wear resistance. In addition, because the first corrosion-resistant layer 4 is also provided, the corrosion resistance of the inside and the outside is enhanced, thereby extending the service life of the tube body.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A PVC pipe with a high-pressure resistant structure, comprising an outer pipe body (1) and an inner pipe body (11), Features: An inner tube body (11) is arranged inside the outer tube body (1), a first adhesive layer (2) is fixedly connected to the outside of the inner tube body (11), a first fixing groove (6) is fixedly connected to the inner wall of the outer tube body (1), a second fixing groove (16) is fixedly connected to the outside of the inner tube body (11), and a reinforcement structure for assisting in reinforcing the entire tube body is arranged between the first fixing groove (6) and the second fixing groove (16); The reinforcement structure comprises a first reinforcement block (7), a second reinforcement block (8), a connection block (9) and a reserved groove (10); the first reinforcement block (7) is arranged between the first fixing groove (6) and the second fixing groove (16); the connection blocks (9) are fixedly connected to both sides of the first reinforcement block (7); the second reinforcement block (8) is arranged between the first reinforcement blocks (7); and the reserved grooves (10) are arranged on both sides of the second reinforcement block (8).

2. A PVC pipe with a high pressure resistant structure according to claim 1, Features: The positions of the first fixing groove (6) and the second fixing groove (16) coincide with each other, and the second reinforcing block (8) is detachably connected to the outside of the connecting block (9) by means of a reserved groove (10).

3. A PVC pipe with a high pressure resistant structure according to claim 1, Features: The first adhesive layer (2) is fixedly connected to the outside with a first heat-resistant layer (3), the first heat-resistant layer (3) is fixedly connected to the outside with a first corrosion-resistant layer (4), and the first corrosion-resistant layer (4) is fixedly connected to the outside with a wear-resistant layer (5).

4. A PVC pipe with a high pressure resistant structure according to claim 3, Features: The material of the first corrosion-resistant layer (4) is polyurethane, and the material of the wear-resistant layer (5) is ceramic wear-resistant coating.

5. A PVC pipe with a high pressure resistant structure according to claim 1, Features: The top end of the first reinforcing block (7) is detachably embedded in the first fixing groove (6), and the bottom end of the first reinforcing block (7) is detachably embedded in the second fixing groove (16).

6. A PVC pipe with a high pressure resistant structure according to claim 1, Features: Ten groups of the first reinforcement blocks (7) are provided, and the first reinforcement blocks (7) are distributed at equal intervals between the outer tube body (1) and the inner tube body (11).

7. A PVC pipe with a high pressure resistant structure according to claim 1, Features: The inner wall of the inner tube body (11) is fixedly connected to a second adhesive layer (12), the inner wall of the second adhesive layer (12) is fixedly connected to a second heat-resistant layer (13), the inner wall of the second heat-resistant layer (13) is fixedly connected to a heat-insulating layer (14), and the inner wall of the heat-insulating layer (14) is fixedly connected to a second corrosion-resistant layer (15).

8. A PVC pipe with a high pressure resistant structure according to claim 7, Features: The second heat-resistant layer (13) is a rubber powder polystyrene particle thermal insulation slurry, and the second corrosion-resistant layer (15) is a graphene composite anti-corrosion coating.

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