CN219453144U - Corrosion-resistant aluminum alloy pipe - Google Patents

Abstract

The utility model provides a corrosion-resistant aluminum alloy pipe, which comprises an aluminum alloy pipe body, wherein the aluminum alloy pipe body consists of a pipe head, a pipe body and a pipe tail, the inner diameter of the pipe head is larger than the outer diameter of the pipe tail, a gasket is inserted into the pipe head, one side of the gasket is fixedly connected with a hanging ring, the surface of the hanging ring is an inclined plane, the hanging ring is hooked at a port of the pipe head, and the inner side of the gasket is inserted into the pipe tail of another aluminum alloy pipe body. The utility model has the advantages that: the surface of this aluminum alloy body adopts the setting of two skin, and first skin is ceramic coating, and ceramic coating can separate corrosive medium, provides shielding protection, and the second skin is epoxy coating specifically, and is good to the metal adhesion, and the structure gas pocket is little, makes various corrosive medium be difficult to permeate aluminum alloy body surface, so this aluminum alloy pipe passes through the cooperation of first skin and second skin, and corrosion resistance is fabulous, has solved the problem that exists among the prior art.

Description

Corrosion-resistant aluminum alloy pipe

Technical Field

The utility model relates to the technical field of aluminum alloy pipes, in particular to a corrosion-resistant aluminum alloy pipe.

Background

The aluminum alloy pipe is a seamless nonferrous metal pipe extruded by alloy aluminum. Aluminum alloy pipes have high mechanical strength but low corrosion resistance. However, pure aluminum has good corrosion resistance but poor mechanical strength. This limits the use of aluminum to some extent. Therefore, proper amounts of magnesium, copper and zinc are added to aluminum. The metal materials are various, the mechanical strength of aluminum is greatly improved, the application range is greatly expanded, but the corrosion resistance is inferior to that of pure aluminum, and the surface of an aluminum alloy pipeline is blackened when being corroded.

A corrosion resistant aluminum alloy tube is therefore proposed.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a corrosion-resistant aluminum alloy tube, which solves the problems mentioned in the background art and overcomes the shortcomings in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a corrosion-resistant aluminum alloy pipe, including an aluminum alloy pipe body composed of a pipe head, a pipe body and a pipe tail, wherein an inner diameter of the pipe head is larger than an outer diameter of the pipe tail;

the inside of the pipe head is inserted with a gasket, one side of the gasket is fixedly connected with a hanging ring, the surface of the hanging ring is an inclined plane, and the hanging ring is hooked at the port of the pipe head;

the inner side of the gasket is inserted with the tail of another aluminum alloy pipe body;

the outer surface of the hanging ring, the outer surface of the tube head and the outer surface of the tube tail of the other aluminum alloy tube body are stuck and wound with sealing bands;

the innermost side of the aluminum alloy pipe body is an aluminum alloy layer, the outer surface of the aluminum alloy layer is covered with a first outer layer, and the outer surface of the first outer layer is covered with a second outer layer.

In any of the above embodiments, it is preferable that the outer diameter of the aluminum alloy pipe body is 80-85mm, and the inner diameter of the aluminum alloy pipe body 3 is 70mm.

The technical scheme is adopted: the aluminum alloy pipe body adopts a socket connection method, namely, the pipe tail is directly inserted into the pipe head.

In any of the above embodiments, it is preferable that the aluminum alloy pipe body is socket-type, and the gasket is tightly inserted into the pipe head.

By any of the above schemes, it is preferable that the gasket and the hanging ring are in an integrated structure, and the gasket and the hanging ring are made of silica gel.

The technical scheme is adopted: through the cooperation setting of packing ring and string circle, leakproofness and the tightness when improving the pipe tail and peg graft, pipe tail extrusion packing ring, the inner wall of packing ring extrusion tube head again realizes high leakproofness, simultaneously, the setting of string circle, the surface of string circle is the inclined plane, the inclined plane of string circle is as the extension of tube head to pipe tail, the pasting of sealing strip of being convenient for, sealing strip paste department has no space, no air, in the past when not having packing ring and string circle, there is the difference in height when tube head and pipe tail peg graft, sealing strip paste the time sealing strip inboard has certain space, and this structure has solved this problem.

By any of the above schemes, preferably, the gasket and the hanging ring are positioned at the joint of the two aluminum alloy pipe bodies, and the sealing belt is made of PVC.

In any of the above schemes, it is preferable that the aluminum alloy pipe body comprises an aluminum alloy layer, a first outer layer and a second outer layer from inside to outside, and the first outer layer is specifically a ceramic coating.

The technical scheme is adopted: the surface of this aluminum alloy body adopts the setting of two skin, and first skin is ceramic coating, and ceramic coating can separate corrosive medium, provides shielding protection, and the second skin is epoxy coating specifically, and is good to the metal adhesion, and the structure gas pocket is little, makes various corrosive medium be difficult to permeate aluminum alloy body surface, so this aluminum alloy pipe passes through the cooperation of first skin and second skin, and corrosion resistance is fabulous, has solved the problem that exists among the prior art.

It is preferable from any of the above aspects that the second outer layer is specifically an epoxy resin coating layer, and the thickness of the second outer layer is 0.2 to 0.3mm.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. this corrosion-resistant aluminum alloy pipe, through aluminum alloy layer, first outer and the outer cooperation setting of second, the surface of this aluminum alloy body adopts the double-skin to set up, first outer ceramic coating that is, ceramic coating can separate corrosive medium, provide shielding protection, the second outer is the epoxy coating specifically, it is good to the metal adhesion, the structure gas pocket is little, make various corrosive medium be difficult to permeate aluminum alloy body surface, therefore this aluminum alloy pipe passes through the outer cooperation of first outer and second, corrosion resistance is fabulous, the problem that exists among the prior art has been solved.

2. This corrosion-resistant aluminum alloy pipe, through the cooperation setting of packing ring and string circle, leakproofness and the fastening nature when improving the pipe tail grafting, pipe tail extrusion packing ring, the inner wall of packing ring extrusion tube head again realizes high leakproofness, simultaneously, the setting of string circle, the surface of string circle is the inclined plane, the inclined plane of string circle is as the extension of tube head to pipe tail, the pasting of sealing strip of being convenient for, sealing strip paste department has no space, no air, in the past when not having packing ring and string circle, there is the difference in height when tube head and pipe tail grafting, sealing strip inboard has certain space when sealing strip paste, and this problem has been solved to this structure.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of the connection structure of the present utility model;

FIG. 2 is a schematic structural view of an aluminum alloy pipe body according to the present utility model;

FIG. 3 is a schematic view of a seal ring according to the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of a joint according to the present utility model.

In the figure: 1-aluminum alloy pipe body, 2-pipe head, 3-pipe body, 4-pipe tail, 5-gasket, 6-hanging ring, 7-sealing band, 8-aluminum alloy layer, 9-first outer layer, 10-second outer layer.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1-4, the corrosion-resistant aluminum alloy pipe provided by the utility model comprises an aluminum alloy pipe body 1, wherein the aluminum alloy pipe body 1 consists of a pipe head 2, a pipe body 3 and a pipe tail 4, and the inner diameter of the pipe head 2 is larger than the outer diameter of the pipe tail 4;

a gasket 5 is inserted into the tube head 2, one side of the gasket 5 is fixedly connected with a hanging ring 6, the surface of the hanging ring 6 is an inclined plane, and the hanging ring 6 is hooked at the port of the tube head 2;

the inner side of the gasket 5 is inserted with a pipe tail 4 of the other aluminum alloy pipe body 1;

the outer surface of the hanging ring 6, the outer surface of the pipe head 2 and the outer surface of the pipe tail 4 of the other aluminum alloy pipe body 1 are stuck and wound with sealing bands 7;

the innermost side of the aluminum alloy pipe body 1 is an aluminum alloy layer 8, the outer surface of the aluminum alloy layer 8 is covered with a first outer layer 9, and the outer surface of the first outer layer 9 is covered with a second outer layer 10.

Example 1: the outer diameter of the aluminum alloy pipe body 1 pipe body 3 is 80-85mm, and the inner diameter of the aluminum alloy pipe body 1 pipe body 3 is 70mm. The aluminum alloy pipe body 1 adopts a socket connection method, namely, the pipe tail 4 is directly inserted into the pipe head 2.

Example 2: the aluminum alloy pipe body 1 is socket joint type, and the gasket 5 is closely inserted in the pipe head 2. The gasket 5 and the hanging ring 6 are of an integrated structure, and the gasket 5 and the hanging ring 6 are made of silica gel. Through the cooperation setting of packing ring 5 and hanging ring 6, the leakproofness and the tightness when improving the pipe tail 4 grafting, pipe tail 4 extrudees packing ring 5, packing ring 5 extrudees the inner wall of tube head 2 again, realize high leakproofness, simultaneously, the setting of hanging ring 6, the surface of hanging ring 6 is the inclined plane, the inclined plane of hanging ring 6 is as the extension of tube head 2 to pipe tail 4, be convenient for paste of sealing strip 7, sealing strip 7 paste the department and have not had the space, no air, in the past when having packing ring 5 and hanging ring 6, there is the difference in height when tube head 2 and pipe tail 4 grafting, sealing strip 7 inboard has certain space when sealing strip 7 paste, and this problem has been solved to this structure.

Example 3: the gasket 5 and the hanging ring 6 are positioned at the joint of the two aluminum alloy pipe bodies 1, and the sealing belt 7 is made of PVC. The aluminum alloy pipe body 1 sequentially comprises an aluminum alloy layer 8, a first outer layer 9 and a second outer layer 10 from inside to outside, wherein the first outer layer 9 is specifically a ceramic coating. The surface of this aluminum alloy body 1 adopts the setting of two skin, and first skin 9 is ceramic coating, and ceramic coating can separate corrosive medium, provides shielding protection, and second skin 10 is epoxy coating specifically, and is good to the metal adhesion, and the structure gas pocket is little, makes various corrosive medium be difficult to permeate aluminum alloy body 1 surface, so this aluminum alloy pipe passes through the cooperation of first skin 9 and second skin 10, and corrosion resistance is fabulous, has solved the problem that exists among the prior art.

Example 4: the second outer layer 10 is specifically an epoxy resin coating, and the thickness of the second outer layer 10 is 0.2-0.3mm.

The working principle of the utility model is as follows:

s1, the aluminum alloy pipe body 1 adopts a socket connection method, namely, a pipe tail 4 is directly inserted into a pipe head 2, the tightness and the tightness of the pipe tail 4 during insertion are improved through the matching arrangement of a gasket 5 and a hanging ring 6, the pipe tail 4 presses the gasket 5, the gasket 5 presses the inner wall of the pipe head 2 again to realize high tightness, meanwhile, the hanging ring 6 is arranged, the surface of the hanging ring 6 is an inclined plane, the inclined plane of the hanging ring 6 is used for extending from the pipe head 2 to the pipe tail 4, and a plurality of layers of sealing belts 7 are adhered at the joint of two aluminum alloy pipes;

s2, the aluminum alloy pipe body 1 sequentially comprises an aluminum alloy layer 8, a first outer layer 9 and a second outer layer 10 from inside to outside, wherein the first outer layer 9 is specifically a ceramic coating, the first outer layer 9 is a ceramic coating, the ceramic coating can block corrosive media, shielding protection is provided, the second outer layer 10 is specifically an epoxy resin coating, the adhesive force to metal is good, the structural air hole is small, various corrosive media are difficult to permeate to the surface of the aluminum alloy pipe body 1, and therefore the aluminum alloy pipe is excellent in corrosion resistance through the cooperation of the first outer layer 9 and the second outer layer 10.

Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

1. this corrosion-resistant aluminum alloy pipe, through the cooperation setting of aluminum alloy layer 8, first skin 9 and second skin 10, the surface of this aluminum alloy body 1 adopts two skin to set up, first skin 9 is ceramic coating, ceramic coating can separate the corrosive medium, provide shielding protection, second skin 10 is epoxy coating specifically, it is good to the metal adhesion, the structure gas pocket is little, make various corrosive medium be difficult to permeate aluminum alloy body 1 surface, so this aluminum alloy pipe passes through the cooperation of first skin 9 and second skin 10, corrosion resistance is fabulous, the problem that exists among the prior art has been solved.

2. This corrosion-resistant aluminum alloy pipe, through the cooperation setting of packing ring 5 and hanging ring 6, sealing and the fastening nature when improving the grafting of pipe tail 4, pipe tail 4 extrusion packing ring 5, packing ring 5 extrudees the inner wall of tube head 2 again, realize high leakproofness, simultaneously, the setting of hanging ring 6, the surface of hanging ring 6 is the inclined plane, the extension of tube head 2 to pipe tail 4 is regarded as to the inclined plane of hanging ring 6, be convenient for paste of sealing strip 7, sealing strip 7 paste the department no space, no air, in the past when having packing ring 5 and hanging ring 6, there is the difference in height when tube head 2 and pipe tail 4 peg graft, sealing strip 7 inboard has certain space when sealing strip 7 paste, and this structure has solved this problem.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The corrosion-resistant aluminum alloy pipe is characterized by comprising an aluminum alloy pipe body (1), wherein the aluminum alloy pipe body (1) consists of a pipe head (2), a pipe body (3) and a pipe tail (4), and the inner diameter of the pipe head (2) is larger than the outer diameter of Guan Wei (4);

a gasket (5) is inserted into the tube head (2), one side of the gasket (5) is fixedly connected with a hanging ring (6), the surface of the hanging ring (6) is an inclined plane, and the hanging ring (6) is hooked at a port of the tube head (2);

the inner side of the gasket (5) is inserted with a pipe tail (4) of another aluminum alloy pipe body (1);

a sealing belt (7) is stuck and wound on the outer surface of the hanging ring (6), the outer surface of the pipe head (2) and the outer surface of the pipe tail (4) of the other aluminum alloy pipe body (1);

the aluminum alloy pipe body (1) is characterized in that an aluminum alloy layer (8) is arranged at the innermost side of the aluminum alloy pipe body (1), a first outer layer (9) is covered on the outer surface of the aluminum alloy layer (8), and a second outer layer (10) is covered on the outer surface of the first outer layer (9).

2. A corrosion resistant aluminum alloy tube as recited in claim 1, wherein: the outer diameter of the aluminum alloy pipe body (1) pipe body (3) is 80-85mm, and the inner diameter of the aluminum alloy pipe body (1) pipe body (3) is 70mm.

3. A corrosion resistant aluminum alloy tube as recited in claim 2, wherein: the aluminum alloy pipe body (1) is socket-and-spigot, and the gasket (5) is tightly inserted into the pipe head (2).

4. A corrosion resistant aluminum alloy pipe as recited in claim 3, wherein: the gasket (5) and the hanging ring (6) are of an integrated structure, and the gasket (5) and the hanging ring (6) are made of silica gel.

5. A corrosion resistant aluminum alloy tube as recited in claim 4, wherein: the gasket (5) and the hanging ring (6) are positioned at the joint of the two aluminum alloy pipe bodies (1), and the sealing belt (7) is made of PVC.

6. A corrosion resistant aluminum alloy tube as recited in claim 5, wherein: the aluminum alloy pipe body (1) sequentially comprises an aluminum alloy layer (8), a first outer layer (9) and a second outer layer (10) from inside to outside, wherein the first outer layer (9) is specifically a ceramic coating.

7. A corrosion resistant aluminum alloy pipe as recited in claim 6, wherein: the second outer layer (10) is specifically an epoxy resin coating, and the thickness of the second outer layer (10) is 0.2-0.3mm.