High-airtightness aluminum alloy pipe for gas delivery

Abstract

The utility model discloses a gas delivery aluminum alloy pipe with high air tightness, which comprises an aluminum alloy pipeline, one end of the aluminum alloy pipeline is connected with a connecting convex pipe A, the other end of the aluminum alloy pipeline is connected with a connecting convex pipe B, one side of the connecting convex pipe A is connected with a sealing ferrule, and a wear-resistant surface is arranged on the outer wall of the aluminum alloy pipeline. A protective hose is installed on the outer side of the aluminum alloy pipeline, a wear-resistant spraying layer is arranged on the inner wall of the aluminum alloy pipeline, a foam heat preservation layer A is arranged on the outer layer of the protective hose, a butyronitrile rubber layer A is arranged below the foam heat preservation layer A, a sponge layer is connected to one side of the butyronitrile rubber layer A, and a butyronitrile rubber layer B is arranged at the bottom of the sponge layer. One side of the butyronitrile rubber layer B is connected with a foam heat preservation layer B. Through tight combination of the connecting protruding pipe A and the connecting protruding pipe B, the stability of the connecting position of the aluminum alloy pipeline can be kept, the connecting position is not prone to air leakage, and through arrangement of a sealing ferrule, the tightness of the connecting position can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the field of aluminum alloy pipes, in particular to an aluminum alloy pipe for gas transportation with high air tightness. Background Art

[0002] Aluminum tube is a type of nonferrous metal tube, which refers to a metal tubular material made of pure aluminum or aluminum alloy through extrusion and is hollow along its entire longitudinal length. Aluminum alloy tube is a seamless nonferrous metal tube made by extruding alloy aluminum.

[0003] The gas transmission aluminum alloy pipes currently used have poor air tightness, especially the joints between the aluminum alloy pipes, which are prone to gas leakage and are extremely inconvenient to use.

[0004] In view of this, research and improvement are carried out on the existing problems to provide an aluminum alloy pipe for gas transportation with high airtightness. The pipe has a reasonable structural design and can maintain the stability of the connection of the aluminum alloy pipe through the tight connection of the connecting convex pipe A and the connecting convex pipe B, so that the connection will not easily leak air. The purpose is to solve the problem and improve the practical value through this technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose an aluminum alloy tube for gas transportation with high airtightness.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an aluminum alloy pipe for gas transportation with high airtightness, comprising an aluminum alloy pipe, one end of the aluminum alloy pipe is connected to a connecting convex pipe A, and the other end is connected to a connecting convex pipe B, one side of the connecting convex pipe A is connected to a sealing ring, the outer wall of the aluminum alloy pipe is provided with a wear-resistant surface, a protective hose is installed on the outside of the aluminum alloy pipe, a wear-resistant spray layer is provided on the inner wall of the aluminum alloy pipe, the outer layer of the protective hose is provided with a foam insulation layer A, a nitrile rubber layer A is provided below the foam insulation layer A, one side of the nitrile rubber layer A is connected to a sponge layer, the bottom of the sponge layer is provided with a nitrile rubber layer B, and one side of the nitrile rubber layer B is connected to the foam insulation layer B.

[0007] As a further description of the above technical solution:

[0008] The connecting convex pipe A is integrally connected to one end of the aluminum alloy pipe, and the connecting convex pipe B is integrally connected to the other end of the aluminum alloy pipe. The size of the connecting convex pipe A is adapted to the size of the connecting convex pipe B. The interior of the connecting convex pipe A is provided with an internal thread, and the outer wall of the connecting convex pipe B is provided with an external thread. The connecting convex pipe B is threadedly connected to the interior of the connecting convex pipe A.

[0009] As a further description of the above technical solution:

[0010] The wear-resistant surface is integrally connected to the outer wall of the aluminum alloy pipe, and the sealing ring is sleeved on the outer side of the connecting convex pipe B. The sealing ring is tightly connected to the connecting convex pipe B and the outer wall of the aluminum alloy pipe.

[0011] As a further description of the above technical solution:

[0012] The protective hose is fixedly connected to the outside of the aluminum alloy pipe and is arranged at the connection between the aluminum alloy pipes. The wear-resistant spray layer is sprayed on the inner wall of the aluminum alloy pipe.

[0013] As a further description of the above technical solution:

[0014] The foam insulation layer A and the foam insulation layer B are fixedly connected to the outer layer of the protective hose. The widths of the foam insulation layer A and the foam insulation layer B are the same. The sponge layer is fixedly connected between the nitrile rubber layer A and the nitrile rubber layer B. The foam insulation layer B is in close contact with the outer wall of the aluminum alloy pipe.

[0015] As a further description of the above technical solution:

[0016] The nitrile rubber layer A is fixedly connected between the foam insulation layer A and the sponge layer, and the nitrile rubber layer B is fixedly connected between the sponge layer and the foam insulation layer B. The widths of the nitrile rubber layer A and the nitrile rubber layer B are the same.

[0017] The utility model has the following beneficial effects:

[0018] In the present invention, by setting the foam insulation layer A and the foam insulation layer B, not only the aluminum alloy pipe can be fixed, but also its connection can be protected so that it will not be damaged by the outside world, so that the aluminum alloy pipe can work stably. By setting the sponge layer, the anti-collision ability of the structure can be improved.

[0019] By tightly combining the connecting convex pipe A and the connecting convex pipe B, the stability of the connection of the aluminum alloy pipe can be maintained, so that the connection will not be easily deflated. By setting the sealing ring, the tightness of the connection can be greatly increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of an aluminum alloy tube for gas transportation with high airtightness proposed by the present invention;

[0021] Figure 2 This is a three-dimensional diagram of an aluminum alloy tube for gas transportation with high airtightness proposed by the present invention;

[0022] Figure 3This is a plan view of an aluminum alloy tube for gas transportation with high airtightness proposed by the present invention;

[0023] Figure 4 This is an enlarged view of part A of an aluminum alloy tube for gas transportation with high airtightness proposed by the present invention.

[0024] Legend:

[0025] 1. Aluminum alloy pipe; 2. Connecting convex pipe A; 3. Connecting convex pipe B; 4. Wear-resistant surface; 5. Sealing ring; 6. Protective hose; 7. Wear-resistant spray layer; 8. Foam insulation layer A; 9. Nitrile rubber layer A; 10. Sponge layer; 11. Nitrile rubber layer B; 12. Foam insulation layer B. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified or limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, they can be fixedly connected, detachably connected, or integrally connected; they can be mechanically connected or electrically connected; they can be directly connected or indirectly connected through an intermediate medium, or they can be internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] Reference Figure 1-4The utility model provides an embodiment: an aluminum alloy pipe for gas transportation with high airtightness, comprising an aluminum alloy pipe 1, one end of the aluminum alloy pipe 1 is connected to a connecting convex pipe A2, and the other end is connected to a connecting convex pipe B3, one side of the connecting convex pipe A2 is connected to a sealing ring 5, the outer wall of the aluminum alloy pipe 1 is provided with a wear-resistant surface 4, a protective hose 6 is installed on the outside of the aluminum alloy pipe 1, a wear-resistant spray layer 7 is provided on the inner wall of the aluminum alloy pipe 1, the outer layer of the protective hose 6 is provided with a foam insulation layer A8, a nitrile rubber layer A9 is provided below the foam insulation layer A8, a sponge layer 10 is connected to one side of the nitrile rubber layer A9, a nitrile rubber layer B11 is provided at the bottom of the sponge layer 10, and a foam insulation layer B12 is connected to one side of the nitrile rubber layer B11.

[0029] In the present invention, the connecting convex pipe A2 is integrally connected to one end of the aluminum alloy pipe 1, and the connecting convex pipe B3 is integrally connected to the other end of the aluminum alloy pipe 1. The size of the connecting convex pipe A2 is adapted to the size of the connecting convex pipe B3. The interior of the connecting convex pipe A2 is provided with an internal thread, and the outer wall of the connecting convex pipe B3 is provided with an external thread. The connecting convex pipe B3 is threadedly connected to the interior of the connecting convex pipe A2. By tightly combining the connecting convex pipe A2 and the connecting convex pipe B3, the stability of the connection of the aluminum alloy pipe 1 can be maintained, so that the connection will not be easily deflated.

[0030] Furthermore, the wear-resistant surface 4 is integrally connected to the outer wall of the aluminum alloy pipe 1, and the sealing ring 5 is sleeved on the outer side of the connecting convex pipe B3. The sealing ring 5 is tightly connected to the connecting convex pipe B3 and the outer wall of the aluminum alloy pipe 1. By setting the sealing ring 5, the tightness of the connection can be greatly increased.

[0031] Furthermore, the protective hose 6 is fixedly connected to the outside of the aluminum alloy pipe 1 and is arranged at the connection between the aluminum alloy pipe 1 and the aluminum alloy pipe 1. The wear-resistant spray layer 7 is sprayed on the inner wall of the aluminum alloy pipe 1. Through the setting of the protective hose 6, the tightness of the connection of the aluminum alloy pipe 1 can be improved, and the two aluminum alloy pipes 1 can be tightly fixed.

[0032] Furthermore, the foam insulation layer A8 and the foam insulation layer B12 are fixedly connected to the outer layer of the protective hose 6, and the width of the foam insulation layer A8 and the foam insulation layer B12 are the same. The sponge layer 10 is fixedly connected between the nitrile rubber layer A9 and the nitrile rubber layer B11, and the foam insulation layer B12 is in close contact with the outer wall of the aluminum alloy pipe 1. Through the setting of the foam insulation layer A8 and the foam insulation layer B12, not only can the aluminum alloy pipe 1 be fixed, but also its connection can be protected so that it will not be damaged by the outside world, so that the aluminum alloy pipe 1 can work stably. Through the setting of the sponge layer 10, the anti-collision ability of the structure can be improved.

[0033] Furthermore, the nitrile rubber layer A9 is fixedly connected between the foam insulation layer A8 and the sponge layer 10, and the nitrile rubber layer B11 is fixedly connected between the sponge layer 10 and the foam insulation layer B12. The width of the nitrile rubber layer A9 is the same as that of the nitrile rubber layer B11. By setting the nitrile rubber layer A9 and the nitrile rubber layer B11, not only the air tightness of the structure can be improved, but also its buffering capacity can be increased, so that the protected area is protected from external damage.

[0034] Working principle and usage process: The user first connects the aluminum alloy pipe 1 through the connecting convex pipe A2 and the connecting convex pipe B3 to ensure that the aluminum alloy pipe 1 is firmly connected together. The connecting convex pipe A2 and the connecting convex pipe B3 are sealed and fixed with a sealing ring 5 when connected. The setting of the sealing ring 5 can greatly increase the tightness of the connection. Then use hot melt adhesive to bond the protective hose 6 to the outside of the aluminum alloy pipe 1.

[0035] The protective hose 6 can improve the tightness of the connection of the aluminum alloy pipe 1 and can tightly fix the two aluminum alloy pipes 1. The protective hose 6 includes a foam insulation layer A8 and a foam insulation layer B12. Through the setting of the foam insulation layer A8 and the foam insulation layer B12, not only can the aluminum alloy pipe 1 be fixed, but also its connection can be protected so that it will not be damaged by the outside world, so that the aluminum alloy pipe 1 can work stably. Through the setting of the sponge layer 10, the anti-collision ability of the structure can be improved.

[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An aluminum alloy pipe for gas transportation with high airtightness, comprising an aluminum alloy pipe (1), characterized in that: One end of the aluminum alloy pipe (1) is connected to a connecting convex pipe A (2), and the other end is connected to a connecting convex pipe B (3); one side of the connecting convex pipe A (2) is connected to a sealing ring (5); a wear-resistant surface (4) is provided on the outer wall of the aluminum alloy pipe (1); a protective hose (6) is installed on the outer side of the aluminum alloy pipe (1); a wear-resistant spray layer (7) is provided on the inner wall of the aluminum alloy pipe (1); a foam insulation layer A (8) is provided on the outer layer of the protective hose (6); a nitrile rubber layer A (9) is provided below the foam insulation layer A (8); a sponge layer (10) is connected to one side of the nitrile rubber layer A (9); a nitrile rubber layer B (11) is provided at the bottom of the sponge layer (10); and a foam insulation layer B (12) is connected to one side of the nitrile rubber layer B (11).

2. The aluminum alloy tube for gas transportation with high airtightness according to claim 1, characterized in that: The connecting convex pipe A (2) is integrally connected to one end of the aluminum alloy pipe (1), and the connecting convex pipe B (3) is integrally connected to the other end of the aluminum alloy pipe (1). The size of the connecting convex pipe A (2) matches the size of the connecting convex pipe B (3). The interior of the connecting convex pipe A (2) is provided with an internal thread, and the outer wall of the connecting convex pipe B (3) is provided with an external thread. The connecting convex pipe B (3) is threadedly connected to the interior of the connecting convex pipe A (2).

3. The aluminum alloy tube for gas transportation with high airtightness according to claim 1, characterized in that: The wear-resistant surface (4) is integrally connected to the outer wall of the aluminum alloy pipe (1), and the sealing ring (5) is sleeved on the outer side of the connecting convex pipe B (3). The sealing ring (5) is tightly connected to the connecting convex pipe B (3) and the outer wall of the aluminum alloy pipe (1).

4. The aluminum alloy tube for gas transportation with high airtightness according to claim 1, characterized in that: The protective hose (6) is fixedly connected to the outside of the aluminum alloy pipe (1) and is arranged at the connection between the aluminum alloy pipe (1) and the aluminum alloy pipe (1), and the wear-resistant spray layer (7) is sprayed on the inner wall of the aluminum alloy pipe (1).

5. The aluminum alloy tube for gas transportation with high airtightness according to claim 1, characterized in that: The foam insulation layer A (8) and the foam insulation layer B (12) are fixedly connected to the outer layer of the protective hose (6); the widths of the foam insulation layer A (8) and the foam insulation layer B (12) are the same; the sponge layer (10) is fixedly connected between the nitrile rubber layer A (9) and the nitrile rubber layer B (11); and the foam insulation layer B (12) is in close contact with the outer wall of the aluminum alloy pipe (1).

6. The aluminum alloy tube for gas transportation with high airtightness according to claim 1, characterized in that: The nitrile rubber layer A (9) is fixedly connected between the foam insulation layer A (8) and the sponge layer (10), and the nitrile rubber layer B (11) is fixedly connected between the sponge layer (10) and the foam insulation layer B (12). The widths of the nitrile rubber layer A (9) and the nitrile rubber layer B (11) are the same.

Images