Oxygen-resistant and anti-scaling aluminum alloy plastic-lined PBP (Polybutylene Phosphate) composite pipe

Abstract

The utility model relates to the technical field of aluminum alloy plastic-lined PBP composite pipes, and provides an oxygen-resistant anti-scaling aluminum alloy plastic-lined PBP composite pipe which comprises an aluminum alloy outer pipe and a protective structure, an aluminum alloy inner pipe is installed in the aluminum alloy outer pipe, a composite pipe is fixed in the aluminum alloy inner pipe, clamping structures are arranged on the two sides of the aluminum alloy outer pipe, and the protective structure is arranged on the aluminum alloy outer pipe. And a reinforcing structure is arranged on the outer side of the aluminum alloy inner pipe in the aluminum alloy outer pipe. According to the composite pipe, the protective structure is arranged, the antibacterial layer is arranged, the antibacterial layer is the nanometer antibacterial layer, bacteria can be effectively killed, dirt accumulation can be prevented, the high-temperature-resistant layer is made of polyolefin resin materials and has the good high-temperature-resistant property, the composite pipe can be used in the high-temperature environment, the oxygen blocking layer is made of vinyl alcohol copolymer, and therefore the composite pipe can be used in the high-temperature environment. The composite pipe has high barrier performance, can effectively prevent oxygen from entering the composite pipe, and protects metal parts in a pipeline and a system from being corroded.

Description

Technical Field

[0001] This utility model relates to the technical field of aluminum alloy lined PBP composite pipe, and in particular to an oxygen barrier and scale-resistant aluminum alloy lined PBP composite pipe. Background Technology

[0002] Aluminum alloy lined PBP composite pipe is a new type of practical pipe that combines the physical and chemical advantages of both metal and plastic materials. Oxygen barrier and scale-resistant aluminum alloy lined PBP composite pipe is a pipe material with excellent performance, combining the physical and chemical advantages of both metal and plastic materials.

[0003] Existing aluminum alloy lined PBP composite pipes are not conducive to blocking oxygen inside the pipe during use. As a result, the composite pipe is prone to corrosion due to oxygen invasion after prolonged use. In addition, a large number of bacteria often grow on the inner wall of the composite pipe, resulting in scaling. It is not conducive to sterilization function. Utility Model Content

[0004] The purpose of this invention is to provide an oxygen-barrier and scale-resistant aluminum alloy lined PBP composite pipe to solve the problem that existing aluminum alloy lined PBP composite pipes are not convenient for oxygen barrier and scale resistance.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: an oxygen-barrier and anti-scaling aluminum alloy lined PBP composite pipe, including an aluminum alloy outer pipe and a protective structure;

[0006] An aluminum alloy inner tube is installed inside the aluminum alloy outer tube, and a composite tube is fixed inside the aluminum alloy inner tube. The aluminum alloy outer tube has a snap-fit ​​structure on both sides, and a reinforcing structure is provided on the outside of the aluminum alloy inner tube inside the aluminum alloy outer tube.

[0007] The outer sides of the aluminum alloy inner tube and the composite tube are provided with a protective structure, which includes an antibacterial layer, a high-temperature resistant layer and an oxygen barrier layer. The antibacterial layer is coated on the inner wall of the composite tube, and a high-temperature resistant layer is fixed on the outer side of the antibacterial layer inside the composite tube. An oxygen barrier layer is coated on the outer side of the aluminum alloy inner tube.

[0008] Preferably, the engaging structure includes a rotating shaft, a plug, a slot, a built-in groove, a first spring, a moving block, a locking ball, and a locking groove. The rotating shaft is installed at one end of the aluminum alloy outer tube, and the other end of the aluminum alloy outer tube is fixed with a plug. A slot is provided on one side of the aluminum alloy outer tube outside the plug. A built-in groove is provided on the bottom side of the slot. A first spring is fixed inside the built-in groove. A moving block is fixed at one end of the first spring. A locking ball is fixed at one end of the moving block. A locking groove is provided inside the plug on the outside of the locking ball.

[0009] Preferably, the two ends of the aluminum alloy outer tube are disconnected, the two sides of one end of the aluminum alloy outer tube are hinged together by a pivot, one side of the other end of the aluminum alloy outer tube is fixedly connected to one side of the insert block, several sets of insert blocks are provided, the insert blocks are evenly distributed on one side of one end of the aluminum alloy outer tube, and the retaining ball is hemispherical.

[0010] Preferably, the slot is semi-circular, the ball and the built-in slot form a telescopic structure through a first spring, the ball and the insert block form a locking structure through the slot, and the insert block and the slot form a locking structure through the ball.

[0011] Preferably, the reinforcing structure includes a fixed sleeve, a second spring, a sliding block, a limiting block, and a support block. The fixed sleeve is fixed inside the aluminum alloy outer tube. The second spring is fixed inside the fixed sleeve. A sliding block is fixed at one end of the second spring. A limiting block is fixed outside the sliding block inside the fixed sleeve. A support block is fixed at one end of the sliding block.

[0012] Preferably, the fixed sleeves are provided in several groups, and the fixed sleeves are distributed at equal intervals inside the aluminum alloy outer tube. The sliding block and the fixed sleeves form a telescopic structure through a second spring. The support block is arc-shaped, and one side of the support block abuts against the outer side of the aluminum alloy inner tube. The support block is made of rubber.

[0013] Preferably, the antibacterial layer is a nano-antibacterial layer, the high-temperature resistant layer is made of polyolefin resin material, and the oxygen barrier layer is made of ethylene alcohol copolymer.

[0014] The advantages of the oxygen-barrier and scale-resistant aluminum alloy-lined PBP composite pipe provided by this utility model are as follows:

[0015] By incorporating a locking structure, the insert block at one end of the aluminum alloy outer tube is inserted into the slot. During insertion, the insert block compresses the retaining ball, thus compressing the first spring. When the slot slides to one side of the retaining ball, the spring force of the first spring causes the retaining ball to be inserted into the slot, forming a locking structure. This facilitates the installation of the aluminum alloy outer tube on the outside of the aluminum alloy inner tube, protecting the aluminum alloy inner tube from external environmental damage and extending its service life. Furthermore, the outer surface of the aluminum alloy outer tube is coated with an anti-corrosion layer, which is an electroplated zinc layer, further extending its service life.

[0016] By incorporating a reinforcing structure between the outer and inner aluminum alloy tubes, the sliding block slides inside the fixed sleeve when the inner aluminum alloy tube is impacted, compressing the second spring and thus providing a buffer for the inner aluminum alloy tube. Additionally, the rubber material of the support block increases the friction with the inner aluminum alloy tube, preventing it from sliding on the outside of the inner aluminum alloy tube and protecting it.

[0017] The composite pipe features a protective structure with an antibacterial layer (a nano-antibacterial layer) that effectively kills bacteria and prevents dirt accumulation. A high-temperature resistant layer made of polyolefin resin provides excellent high-temperature resistance, allowing the composite pipe to be used in high-temperature environments. An oxygen barrier layer made of ethylene alcohol copolymer offers high barrier properties, effectively preventing oxygen from entering the composite pipe and protecting the pipe and system's metal components from corrosion. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0019] Figure 2 This is a side sectional view of the present invention.

[0020] Figure 3 For the present utility model Figure 2 Enlarged structural diagram at point A in the middle;

[0021] Figure 4 This is a frontal cross-sectional view of the present invention.

[0022] Figure 5 For the present utility model Figure 4 Enlarged structural diagram at point B.

[0023] The following are the annotations in the figure: 1. Aluminum alloy outer tube; 2. Aluminum alloy inner tube; 3. Composite tube; 4. Snap-fit ​​structure; 401. Rotating shaft; 402. Insert block; 403. Slot; 404. Internal groove; 405. First spring; 406. Moving block; 407. Clamping ball; 408. Clamping groove; 5. Reinforcing structure; 501. Fixed sleeve; 502. Second spring; 503. Sliding block; 504. Limiting block; 505. Support block; 6. Protective structure; 601. Antibacterial layer; 602. High temperature resistant layer; 603. Oxygen barrier layer. Detailed Implementation

[0024] 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.

[0025] Please see Figure 1-5 The oxygen-barrier and scale-resistant aluminum alloy lined PBP composite pipe provided by this utility model includes an aluminum alloy outer tube 1 and a protective structure 6.

[0026] Reference Figures 1-4 As shown, an aluminum alloy inner tube 2 is installed inside the aluminum alloy outer tube 1. A composite tube 3 is fixed inside the aluminum alloy inner tube 2. A locking structure 4 is provided on both sides of the aluminum alloy outer tube 1. The locking structure 4 includes a rotating shaft 401, a plug 402, a slot 403, a built-in groove 404, a first spring 405, a moving block 406, a locking ball 407, and a locking groove 408. The rotating shaft 401 is installed at one end of the aluminum alloy outer tube 1, and the plug 402 is fixed at the other end of the aluminum alloy outer tube 1. A slot 403 is provided on one side of the aluminum alloy outer tube 1 outside the plug 402. A built-in groove 404 is provided on the bottom side of the slot 403. A first spring 405 is fixed inside the built-in groove 404. A moving block 406 is fixed to one end of the first spring 405. One end of 406 is fixed with a retaining ball 407. The inner part of the insert block 402 outside the retaining ball 407 is provided with a retaining groove 408. The two ends of the aluminum alloy outer tube 1 are disconnected. The two sides of one end of the aluminum alloy outer tube 1 are hinged together by a pivot 401. One side of the other end of the aluminum alloy outer tube 1 is fixedly connected to one side of the insert block 402. Several sets of insert blocks 402 are provided. The insert blocks 402 are evenly distributed on one side of one end of the aluminum alloy outer tube 1. The retaining ball 407 is hemispherical. The retaining groove 408 is semi-arc. The retaining ball 407 and the inner groove 404 form a telescopic structure through the first spring 405. The retaining ball 407 and the insert block 402 form a locking structure through the retaining groove 408. The insert block 402 and the slot 403 form a locking structure through the retaining ball 407.

[0027] By inserting the insert block 402 at one end of the aluminum alloy outer tube 1 into the slot 403, the insert block 402 is inserted and then squeezes the retaining ball 407, causing the first spring 405 to be compressed. When the retaining groove 408 slides to one side of the retaining ball 407, the retaining ball 407 is driven into the retaining groove 408 by the elastic force of the first spring 405, thus forming a locking structure. This makes it easy to install the aluminum alloy outer tube 1 on the outside of the aluminum alloy inner tube 2, thereby protecting the aluminum alloy inner tube 2 from external environmental damage and extending the service life of the aluminum alloy inner tube 2. Furthermore, by coating the outside of the aluminum alloy outer tube 1 with an anti-corrosion layer, which is an electroplated zinc layer, the service life of the aluminum alloy outer tube 1 can be extended.

[0028] Reference Figure 1 , Figure 4 and Figure 5 As shown, a reinforcing structure 5 is provided on the outside of the aluminum alloy inner tube 2 inside the aluminum alloy outer tube 1. The reinforcing structure 5 includes a fixed sleeve 501, a second spring 502, a sliding block 503, a limiting block 504, and a support block 505. The fixed sleeve 501 is fixed inside the aluminum alloy outer tube 1. The second spring 502 is fixed inside the fixed sleeve 501. The sliding block 503 is fixed to one end of the second spring 502. The limiting block 504 is fixed to the outside of the sliding block 503 inside the fixed sleeve 501. The support block 505 is fixed to one end of the sliding block 503. Several sets of fixed sleeves 501 are provided. The fixed sleeves 501 are evenly distributed inside the aluminum alloy outer tube 1. The sliding block 503 and the fixed sleeve 501 form a telescopic structure through the second spring 502. The support block 505 is arc-shaped. One side of the support block 505 abuts against the outside of the aluminum alloy inner tube 2. The support block 505 is made of rubber.

[0029] By setting a reinforcing structure 5 between the aluminum alloy outer tube 1 and the aluminum alloy inner tube 2, when the aluminum alloy inner tube 2 is impacted, the sliding block 503 slides inside the fixed sleeve 501, thereby compressing the second spring 502. This allows the second spring 502 to buffer the aluminum alloy inner tube 2. Furthermore, the support block 505 is made of rubber, which increases the friction between it and the aluminum alloy inner tube 2, preventing the support block 505 from sliding on the outside of the aluminum alloy inner tube 2 and thus protecting the aluminum alloy inner tube 2.

[0030] Reference Figure 4 and Figure 5As shown, a protective structure 6 is provided on the outside of the aluminum alloy inner tube 2 and the composite tube 3. The protective structure 6 includes an antibacterial layer 601, a high-temperature resistant layer 602, and an oxygen barrier layer 603. The antibacterial layer 601 is coated on the inner wall of the composite tube 3. The high-temperature resistant layer 602 is fixed on the outside of the antibacterial layer 601 inside the composite tube 3. The outer side of the aluminum alloy inner tube 2 is coated with an oxygen barrier layer 603. The antibacterial layer 601 is a nano antibacterial layer, the high-temperature resistant layer 602 is made of polyolefin resin material, and the oxygen barrier layer 603 is made of ethylene alcohol copolymer.

[0031] By setting an antibacterial layer 601, which is a nano-antibacterial layer, bacteria can be effectively killed and dirt accumulation can be prevented. The high-temperature resistant layer 602 is made of polyolefin resin material, which has good high-temperature resistance properties, allowing the composite pipe to be used in high-temperature environments. The oxygen barrier layer 603 is made of ethylene alcohol copolymer, which has high barrier performance and can effectively prevent oxygen from entering the interior of the composite pipe, protecting the metal components in the pipeline and system from corrosion.

[0032] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An oxygen-resistant and anti-fouling plastic-lined PBP composite pipe made of aluminum alloy, comprising an aluminum alloy outer pipe (1) and a protective structure (6); characterized in that: an aluminum alloy inner pipe (2) is installed inside the aluminum alloy outer pipe (1), a composite pipe (3) is fixed inside the aluminum alloy inner pipe (2), a clamping structure (4) is arranged on both sides of the aluminum alloy outer pipe (1), and a reinforcing structure (5) is arranged on the outer side of the aluminum alloy inner pipe (2) inside the aluminum alloy outer pipe (1); an antibacterial layer (601), a high-temperature-resistant layer (602), and an oxygen-resistant layer (603) are arranged on the outer side of the aluminum alloy inner pipe (2) and the composite pipe (3), the antibacterial layer (601) is coated on the inner wall of the composite pipe (3), the high-temperature-resistant layer (602) is fixed on the outer side of the antibacterial layer (601) inside the composite pipe (3), and the oxygen-resistant layer (603) is coated on the outer side of the aluminum alloy inner pipe (2).

2. The oxygen barrier anti-fouling type plastic-lined pipe (PBP) composite pipe of aluminum alloy as claimed in claim 1, wherein: The clamping structure (4) comprises a rotating shaft (401), an insertion block (402), an insertion slot (403), an embedded slot (404), a first spring (405), a moving block (406), a clamping ball (407), and a clamping slot (408), the rotating shaft (401) is installed at one end of the aluminum alloy outer pipe (1), the insertion block (402) is fixed at the other end of the aluminum alloy outer pipe (1), the insertion slot (403) is arranged on one side of the aluminum alloy outer pipe (1) outside the insertion block (402), the embedded slot (404) is arranged at the bottom of the insertion slot (403), the first spring (405) is fixed inside the embedded slot (404), the moving block (406) is fixed at one end of the first spring (405), the clamping ball (407) is fixed at one end of the moving block (406), and the clamping slot (408) is arranged inside the insertion block (402) outside the clamping ball (407).

3. The oxygen barrier anti-fouling type plastic-lined PBP composite pipe of aluminum alloy as claimed in claim 2, characterized in that: Both ends of the aluminum alloy outer pipe (1) are arranged in a disconnected manner, the aluminum alloy outer pipe (1) is hingedly connected at both sides of one end through the rotating shaft (401), one side of the other end of the aluminum alloy outer pipe (1) is fixedly connected with one side of the insertion block (402), the insertion block (402) is arranged in multiple groups, the insertion block (402) is arranged at equal intervals on one side of one end of the aluminum alloy outer pipe (1), and the clamping ball (407) is arranged in a semispherical shape.

4. The oxygen barrier anti-fouling type plastic-lined pipe (PBP) composite pipe of aluminum alloy as claimed in claim 2, wherein: The clamping slot (408) is arranged in a semicircular shape, the clamping ball (407) and the embedded slot (404) constitute a telescopic structure through the first spring (405), the clamping ball (407) and the insertion block (402) constitute a clamping structure through the clamping slot (408), and the insertion block (402) and the insertion slot (403) constitute a clamping structure through the clamping ball (407).

5. The oxygen barrier anti-fouling type plastic-lined pipe (PBP) composite pipe of aluminum alloy as claimed in claim 1, wherein: The reinforcing structure (5) comprises a fixing sleeve (501), a second spring (502), a sliding block (503), a limiting block (504) and a supporting block (505), the fixing sleeve (501) is fixed in the aluminum alloy outer tube (1), the inside of the fixing sleeve (501) is fixed with the second spring (502), one end of the second spring (502) is fixed with the sliding block (503), the outside of the sliding block (503) in the fixing sleeve (501) is fixed with the limiting block (504), one end of the sliding block (503) is fixed with the supporting block (505).

6. The oxygen barrier anti-fouling type plastic-lined pipe (PBP) composite pipe of aluminum alloy as claimed in claim 5, wherein: The fixing sleeve (501) is provided in several groups, the fixing sleeves (501) are distributed at equal intervals in the aluminum alloy outer tube (1), the sliding block (503) and the fixing sleeve (501) constitute a telescopic structure through the second spring (502), the supporting block (505) is arranged in an arc shape, one side of the supporting block (505) abuts against the outside of the aluminum alloy inner tube (2), and the supporting block (505) is made of rubber.

7. The oxygen barrier anti-fouling type plastic-lined pipe (PBP) composite pipe of aluminum alloy as claimed in claim 1, wherein: The antibacterial layer (601) is a nano antibacterial layer, the high-temperature resistant layer (602) is made of polyolefin resin material, and the oxygen barrier layer (603) is made of ethylene-vinyl alcohol copolymer.

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