Anti-leakage glass fiber reinforced plastic pipeline with multi-layer composite structure

Abstract

The utility model relates to the technical field of glass fiber reinforced plastic pipelines, and discloses an anti-leakage glass fiber reinforced plastic pipeline with a multilayer composite structure, which comprises a pipeline main body, a polyurethane coating is coated outside the pipeline main body, a glass fiber reinforced plastic layer is arranged inside the pipeline main body, and a vinyl ester lining is arranged on the inner wall of the pipeline main body. The pipeline body is sleeved with an inner connecting clamp, and a locking screw is inserted into the outer portion of the inner connecting clamp. According to the corrosion-resistant and ultraviolet-resistant pipeline, the corrosion-resistant and ultraviolet-resistant structure is arranged, when the corrosion-resistant and ultraviolet-resistant pipeline is used, the glass fiber reinforced plastic layer is arranged in the pipeline main body, and the polyurethane coating is coated outside the glass fiber reinforced plastic layer, so that the wear resistance, the ultraviolet aging resistance, the corrosion resistance and the mechanical protection performance of the corrosion-resistant and ultraviolet-resistant pipeline are enhanced; the vinyl ester lining has good corrosion resistance, has a good anti-permeation function and ensures the chemical stability of a medium contact surface, so that the corrosion-resistant and ultraviolet-resistant functions are realized.

Description

Technical Field

[0001] This utility model relates to the field of fiberglass pipe technology, specifically a multi-layer composite structure leak-proof fiberglass pipe. Background Technology

[0002] Fiberglass pipes are a type of pipe made of glass fiber reinforced materials and thermosetting resin. Due to their excellent corrosion resistance, lightweight and high strength, and flexible design, they are widely used in chemical, petroleum, power, environmental protection, water supply and drainage and other fields.

[0003] Common fiberglass pipes are not heat-resistant, and prolonged exposure to high temperatures can cause resin degradation, necessitating the selection of special high-temperature resistant resins. Furthermore, prolonged exposure to sunlight can cause the resin to powder, discolor, and reduce its strength, thus shortening the pipe's lifespan and making it more brittle, leading to leaks. Therefore, we propose a multi-layered composite structure leak-proof fiberglass pipe to address these issues. Utility Model Content

[0004] The purpose of this utility model is to provide a multi-layer composite structure leak-proof fiberglass pipe to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multi-layer composite structure leak-proof fiberglass pipe, comprising a pipe body, the exterior of which is coated with a polyurethane coating, the interior of which is provided with a fiberglass layer, and the inner wall of which is provided with a vinyl ester lining.

[0006] As a further technical solution of this utility model, the vinyl ester liner is installed inside the pipe body, the fiberglass layer is filled inside the pipe body, and the polyurethane coating, the fiberglass layer and the vinyl ester liner are connected in sequence.

[0007] As a further technical solution of this utility model, the outer sleeve of the pipe body is provided with an inner connecting clamp, a locking screw is inserted into the outside of the inner connecting clamp, a damping spring is connected to the outside of the inner connecting clamp, and a shock-absorbing block is connected to the outside of the damping spring.

[0008] As a further technical solution of this utility model, the inner connecting clamp is provided in two sets, and the inner connecting clamp is fixed to the outside of the pipe body by locking screws.

[0009] As a further technical solution of this utility model, the inner connecting clamp is connected to the shock absorber block through a damping spring, and the shock absorber block is set at equal intervals on the outside of the pipe body through the damping spring and the inner connecting clamp.

[0010] As a further technical solution of this utility model, a front connector is installed on the left side of the pipe body, a connecting ring is installed on the left side of the front connector, a sealing ring is provided on the outside of the connecting ring, a rear connector is installed on the right side of the front connector, and an inner slot is provided on the inner side of the rear connector.

[0011] As a further technical solution of this utility model, the sealing rings are evenly spaced outside the connecting ring, and the connecting ring is connected to the pipe body through the front connector.

[0012] As a further technical solution of this utility model, the connecting ring and sealing ring on the left side of the front connector are inserted into the inner slot on the inner side of the rear connector, and the inner slot is opened on the inner side of the rear connector.

[0013] Compared with the prior art, the beneficial effects of this utility model are: this multi-layer composite structure leak-proof fiberglass pipe not only achieves corrosion resistance and UV resistance, pressure resistance, but also connection leak prevention function;

[0014] 1. By setting a corrosion-resistant and UV-resistant structure, the advantages of this utility model are as follows: When in use, a fiberglass layer is set inside the pipe body, and a polyurethane coating is applied to the outside of the fiberglass layer to enhance its wear resistance, UV aging resistance, corrosion resistance and mechanical protection performance. A vinyl ester liner is applied inside the fiberglass layer. The vinyl ester liner has good corrosion resistance, good anti-permeability function and ensures the chemical stability of the medium contact surface, thereby achieving corrosion resistance and UV resistance.

[0015] 2. By setting up a pressure-resistant structure, the advantages of this utility model are as follows: When in use, the inner connecting clamp is sleeved on the outside of the pipe body, and then the inner connecting clamp is fixed to the outside of the pipe body by locking screws. The inner connecting clamp carries the damping spring and shock absorber block on the outside of the pipe body, so that the pipe body can buffer the outside of the pipe body during installation and use and prevent external damage, thereby realizing the pressure-resistant function.

[0016] 3. By setting a connection leak-proof structure, the advantages of this utility model are: by inserting the connecting ring and sealing ring on the left side of the front connector on the left side of one set of pipe bodies into the inner slot opened inside the rear connector on the right side of another set of pipe bodies, the two sets of front connectors are connected together, and the sealing ring outside the connecting ring is inserted into the inner slot, which increases the sealing of the connection between the two sets of front connectors, thereby realizing the connection leak-proof function. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of the present utility model;

[0018] Figure 2This is a side view sectional view of the main body of the pipe of this utility model.

[0019] Figure 3 This is a side view of the main pipe body and shock absorber block of this utility model;

[0020] Figure 4 This is an enlarged cross-sectional schematic diagram of the front connector and the rear connector of this utility model.

[0021] In the diagram: 1. Front connector; 2. Shock absorber; 3. Pipe body; 4. Rear connector; 5. Damping spring; 6. Inner connecting clamp; 7. Locking screw; 8. Polyurethane coating; 9. Fiberglass layer; 10. Vinyl ester liner; 11. Inner slot; 12. Connecting ring; 13. Sealing ring. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-4 An embodiment of this utility model is provided: a multi-layer composite structure leak-proof fiberglass pipe, including a pipe body 3, the outside of the pipe body 3 is coated with a polyurethane coating 8, the inside of the pipe body 3 is provided with a fiberglass layer 9, and the inner wall of the pipe body 3 is provided with a vinyl ester liner 10.

[0024] The vinyl ester liner 10 is installed inside the pipe body 3, the fiberglass layer 9 fills the inside of the pipe body 3, and the polyurethane coating 8, the fiberglass layer 9 and the vinyl ester liner 10 are connected in sequence.

[0025] Specifically, such as Figure 1 and Figure 2 As shown, by setting a corrosion-resistant and UV-resistant structure, a fiberglass layer 9 is set inside the pipe body 3 during use, and a polyurethane coating 8 is applied to the outside of the fiberglass layer 9 to enhance its wear resistance, UV aging resistance, corrosion resistance and mechanical protection performance. A vinyl ester liner 10 is applied inside the fiberglass layer 9. The vinyl ester liner 10 has good corrosion resistance, good anti-permeability function and ensures the chemical stability of the medium contact surface, thereby achieving corrosion resistance and UV resistance.

[0026] The outer casing of the pipe body 3 is provided with an inner connecting clamp 6, a locking screw 7 is inserted into the outside of the inner connecting clamp 6, a damping spring 5 is connected to the outside of the inner connecting clamp 6, and a shock-absorbing block 2 is connected to the outside of the damping spring 5.

[0027] Two sets of internal connecting clamps 6 are provided. The internal connecting clamps 6 are fixed to the outside of the pipe body 3 by locking screws 7. The internal connecting clamps 6 are connected to the shock absorber 2 by damping springs 5. The shock absorber 2 is set at equal intervals to the outside of the pipe body 3 by damping springs 5 ​​and internal connecting clamps 6.

[0028] Specifically, such as Figure 1 and Figure 3 As shown, by setting up a pressure-resistant structure, the inner connecting clamp 6 is fitted onto the outside of the pipe body 3 during use, and then the inner connecting clamp 6 is fixed to the outside of the pipe body 3 by locking screw 7. The inner connecting clamp 6 carries the damping spring 5 and the shock absorber 2 to the outside of the pipe body 3, so that the pipe body 3 is buffered during installation and use to prevent external damage, thereby achieving the pressure-resistant function.

[0029] A front connector 1 is installed on the left side of the main pipe body 3. A connecting ring 12 is installed on the left side of the front connector 1. A sealing ring 13 is provided on the outside of the connecting ring 12. A rear connector 4 is installed on the right side of the front connector 1. An inner slot 11 is provided on the inner side of the rear connector 4.

[0030] The sealing rings 13 are evenly spaced outside the connecting ring 12. The connecting ring 12 is connected to the pipe body 3 through the front connector 1. The connecting ring 12 and the sealing ring 13 on the left side of the front connector 1 are inserted into the inner slot 11 inside the rear connector 4. The inner slot 11 is opened inside the rear connector 4.

[0031] Specifically, such as Figure 1 and Figure 4 As shown, by setting a connection leak-proof structure, the connecting ring 12 and sealing ring 13 on the left side of the front connector 1 on the left side of one set of pipe body 3 are inserted into the inner slot 11 opened inside the rear connector 4 on the right side of another set of pipe body 3, connecting the two sets of front connectors 1 together. The sealing ring 13 outside the connecting ring 12 is inserted into the inner slot 11, increasing the sealing of the connection between the two sets of front connectors 1, thereby realizing the connection leak-proof function.

[0032] Working principle: In use, the inner connecting clamp 6 is fitted onto the outside of the pipe body 3, and then the inner connecting clamp 6 is fixed to the outside of the pipe body 3 by the locking screw 7. The inner connecting clamp 6, carrying the damping spring 5 and the shock absorber 2, is placed on the outside of the pipe body 3 to buffer the outside of the pipe body 3 during installation and use, preventing external damage. Then, the connecting ring 12 and sealing ring 13 on the left side of the front connector 1 on the left side of one set of pipe bodies 3 are inserted into the inner slot 1 opened inside the rear connector 4 on the right side of another set of pipe bodies 3. Inside the pipe body 3, two sets of front connectors 1 are connected together. Then, the front connectors 1 and the rear connectors 4 are connected by bolts to increase the sealing of the connection between the two sets of front connectors 1. Finally, the inside of the pipe body 3 is provided with a fiberglass layer 9. A polyurethane coating 8 is applied to the outside of the fiberglass layer 9 to enhance its wear resistance, UV aging resistance, corrosion resistance and mechanical protection. A vinyl ester liner 10 is applied to the inside of the fiberglass layer 9. The vinyl ester liner 10 has good corrosion resistance, good anti-permeability function and ensures the chemical stability of the medium contact surface.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A multi-layer composite structure leak-proof fiberglass pipe, comprising a pipe body (3), characterized in that: The exterior of the pipe body (3) is coated with a polyurethane coating (8), the interior of the pipe body (3) is provided with a fiberglass layer (9), and the inner wall of the pipe body (3) is provided with a vinyl ester lining (10).

2. The multi-layer composite structure leak-proof fiberglass pipe according to claim 1, characterized in that: The vinyl ester liner (10) is installed inside the pipe body (3), the fiberglass layer (9) is filled inside the pipe body (3), and the polyurethane coating (8), the fiberglass layer (9) and the vinyl ester liner (10) are connected in sequence.

3. The multi-layer composite structure leak-proof fiberglass pipe according to claim 1, characterized in that: The outer casing of the pipe body (3) is provided with an inner connecting clamp (6), and a locking screw (7) is inserted into the outside of the inner connecting clamp (6). A damping spring (5) is connected to the outside of the inner connecting clamp (6), and a shock absorber (2) is connected to the outside of the damping spring (5).

4. The multi-layer composite structure leak-proof fiberglass pipe according to claim 3, characterized in that: The inner connecting clamp (6) is provided in two sets, and the inner connecting clamp (6) is fixed to the outside of the pipe body (3) by locking screw (7).

5. The multi-layer composite structure leak-proof fiberglass pipe according to claim 3, characterized in that: The inner connecting clamp (6) is connected to the shock absorber (2) through the damping spring (5), and the shock absorber (2) is set at equal intervals on the outside of the pipe body (3) through the damping spring (5) and the inner connecting clamp (6).

6. The multi-layer composite structure leak-proof fiberglass pipe according to claim 1, characterized in that: A front connector (1) is installed on the left side of the main body of the pipe (3). A connecting ring (12) is installed on the left side of the front connector (1). A sealing ring (13) is provided on the outside of the connecting ring (12). A rear connector (4) is installed on the right side of the front connector (1). An inner slot (11) is provided on the inner side of the rear connector (4).

7. A multi-layer composite structure leak-proof fiberglass pipe according to claim 6, characterized in that: The sealing rings (13) are evenly spaced outside the connecting ring (12), and the connecting ring (12) is connected to the pipe body (3) through the front connector (1).

8. A multi-layer composite structure leak-proof fiberglass pipe according to claim 6, characterized in that: The connecting ring (12) and sealing ring (13) on the left side of the front connector (1) are inserted into the inner slot (11) inside the rear connector (4), and the inner slot (11) is opened inside the rear connector (4).

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