Aluminum pipe with lining structure

Abstract

The utility model discloses an aluminum pipe with a lining structure, which comprises an aluminum alloy outer layer, and the aluminum alloy outer layer is of a hollow cylindrical structure. The lining structure comprises a first lining pipe single body mounted on the inner wall of the aluminum alloy outer layer and a plurality of second lining pipe single bodies mounted on the inner wall of the first lining pipe single body; the inner lining pipe has the advantages that through the designed inner lining structure, the limiting blocks are inserted into the limiting grooves along the blocking pieces, limitation of splicing of the first inner lining pipe single bodies and the aluminum alloy outer layer is increased, splicing of the first inner lining pipe single bodies and the aluminum alloy outer layer is more convenient, the positioning columns can be inserted into the positioning grooves, and the positioning effect is better. According to the lining structure, the positioning columns and the positioning grooves are matched, positioning during splicing of the second lining pipe single bodies and the first lining pipe single bodies is increased, splicing of the second lining pipe single bodies and the first lining pipe single bodies is more convenient, and rapid assembly of the lining structure and the aluminum alloy outer layer is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum tubes, and particularly relates to an aluminum tube with an inner lining structure. Background Art

[0002] Aluminum tubes have excellent corrosion resistance and can resist the erosion of various chemicals, making them suitable for use in harsh environments; aluminum tubes have excellent thermal conductivity, which makes them perform well in many applications that require heat dissipation; the production cost of aluminum tubes is relatively low, and because the material is light, the transportation cost is also low, and the overall cost-effectiveness is very high.

[0003] The patent for the plastic-lined aluminum tube with the announcement number CN2500884Y discloses an aluminum alloy outer layer, a plastic lining, and a rubber layer. The plastic is the inner layer, the aluminum alloy is the outer layer, and a rubber layer is provided between the plastic lining and the aluminum alloy outer layer. This patent has the following problems:

[0004] The inner lining and the outer layer of aluminum alloy are bonded by adhesive curing, which may cause position deviation during assembly, resulting in assembly failure and affecting assembly efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide an aluminum tube with an inner lining structure, which can realize rapid assembly of the inner lining structure and the aluminum alloy outer layer.

[0006] To achieve the above purpose, the present invention provides the following technical solutions: an aluminum tube with an inner lining structure, comprising

[0007] An aluminum alloy outer layer, wherein the aluminum alloy outer layer is a hollow cylindrical structure;

[0008] The lining structure includes a first lining tube unit installed on the inner wall of the aluminum alloy outer layer, multiple second lining tube units installed on the inner wall of the first lining tube unit, a first receiving groove and a second receiving groove opened on two adjacent second lining tube units, a fixing ear arranged inside the first receiving groove and the second receiving groove, and a fixing bolt that passes through the fixing ear and is screwed into the inside of the two adjacent second lining tube units.

[0009] Preferably, two first inner liner tube units are provided, and the outer wall of the first inner liner tube unit is provided with a limiting block, and the inner wall of the aluminum alloy outer layer is provided with a limiting groove for inserting the limiting block.

[0010] Preferably, the notch of the limiting groove is provided with symmetrically distributed blocking pieces, and when the limiting block is inserted into the limiting groove, the limiting block abuts against the two blocking pieces.

[0011] Preferably, four second inner liner tube units are provided, and a positioning column is provided on each second inner liner tube unit.

[0012] Preferably, a positioning groove is provided on the first liner tube unit, and the positioning column and the positioning groove are matched.

[0013] Preferably, a first rib is provided on the inner side surface of the first accommodating groove, and a second rib is provided on the inner side surface of the second accommodating groove, and the first rib and the second rib can abut against the fixing ear.

[0014] Preferably, it further comprises a blocking block provided at the notch of the first accommodating groove and the second accommodating groove, and the blocking block abuts against the outer sides of the first rib, the second rib and the fixing ear.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] Through the designed lining structure, the limiting block is inserted into the interior of the limiting groove along the baffle, which increases the limitation of the splicing of the first lining tube monomer and the aluminum alloy outer layer, making the splicing of the first lining tube monomer and the aluminum alloy outer layer more convenient, and can realize the insertion of the positioning column into the interior of the positioning groove. By utilizing the cooperation of the positioning column and the positioning groove, the positioning of the second lining tube monomer and the first lining tube monomer is increased during splicing, making the splicing of the second lining tube monomer and the first lining tube monomer more convenient, and helping to realize the rapid assembly of the lining structure and the aluminum alloy outer layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of a partial cross-sectional structure of the utility model from a side view;

[0019] Figure 3 For the utility model Figure 2 Schematic diagram of the enlarged structure of the E region;

[0020] Figure 4 For the utility model Figure 2 Schematic diagram of the enlarged structure of the F region;

[0021] In the figure: 1. Aluminum alloy outer layer; 11. Limiting groove; 2. First inner lining tube unit; 21. Limiting block; 22. Positioning groove; 3. Second inner lining tube unit; 31. Positioning column; 4. Baffle; 5. First accommodating groove; 51. First rib; 6. Second accommodating groove; 61. Second rib; 7. Fixing ear; 8. Fixing bolt; 9. Sealing block. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] See also Figures 1-4 , is the first embodiment of the utility model, which provides an aluminum tube with an inner lining structure, including

[0025] Aluminum alloy outer layer 1, the aluminum alloy outer layer 1 is a hollow cylindrical structure, which increases the convenience of use;

[0026] The lining structure includes two first lining tube units 2 installed on the inner wall of the aluminum alloy outer layer 1 by screws, so that the first lining tube unit 2 and the inner wall of the aluminum alloy outer layer 1 are firmly installed, and the splicing of the first lining tube unit 2 and the inner wall of the aluminum alloy outer layer 1 is better realized. The four second lining tube units 3 installed on the inner wall of the first lining tube unit 2 by screws better realize the splicing of the second lining tube unit 3 and the first lining tube unit 2. The first receiving groove 5 and the second receiving groove 6 are opened on the two adjacent second lining tube units 3 to realize the opening of the first receiving groove 5 and the second receiving groove 6. The first receiving groove 5 and the second receiving groove 6 are relatively distributed. The fixing ear 7 is arranged inside the first receiving groove 5 and the second receiving groove 6 to realize the addition of the fixing ear 7. The fixing bolt 8 that penetrates the fixing ear 7 and is screwed into the inside of the two adjacent second lining tube units 3 is used to increase the splicing performance of the two adjacent second lining tube units 3 by using the cooperation of the fixing bolt 8 and the fixing ear 7.

[0027] In this embodiment, preferably, the outer wall of the first inner liner tube unit 2 is provided with a limiting block 21, which realizes the addition of the limiting block 21, and the inner wall of the aluminum alloy outer layer 1 is provided with a limiting groove 11 for inserting the limiting block 21. By utilizing the cooperation of the limiting block 21 and the limiting groove 11, the limitation of the splicing of the first inner liner tube unit 2 and the aluminum alloy outer layer 1 is increased.

[0028] In this embodiment, preferably, the notch of the limiting groove 11 is provided with symmetrically distributed baffles 4, so that the baffles 4 are added. When the limiting block 21 is inserted into the inside of the limiting groove 11, the limiting block 21 abuts against the two baffles 4, and the limiting block 21 inserted into the limiting groove 11 is reinforced by the baffles 4.

[0029] In this embodiment, preferably, a positioning column 31 is provided on any second inner liner tube monomer 3, realizing the addition of the positioning column 31, and a positioning groove 22 is opened on the first inner liner tube monomer 2, realizing the opening of the positioning groove 22, and the positioning column 31 and the positioning groove 22 are adapted to each other, and the cooperation of the positioning column 31 and the positioning groove 22 is utilized to increase the positioning performance when the second inner liner tube monomer 3 and the first inner liner tube monomer 2 are spliced.

[0030] Example 2

[0031] See also Figures 1-4 , which is the second embodiment of the present utility model, is based on the previous embodiment, except that:

[0032] The inner side surface of the first accommodating groove 5 is provided with a first rib 51, which realizes the addition of the first rib 51. The inner side surface of the second accommodating groove 6 is provided with a second rib 61, which realizes the addition of the second rib 61. The first rib 51 and the second rib 61 can abut on the fixing ear 7. The added fixing ear 7 is reinforced by the first rib 51 and the second rib 61, so that the fixing bolt 8 can pass through the fixing ear 7 more conveniently; it also includes a sealing block 9 provided at the notch of the first accommodating groove 5 and the second accommodating groove 6, which realizes the addition of the sealing block 9. The sealing block 9 abuts against the outside of the first rib 51, the second rib 61 and the fixing ear 7. The sealing block 9 increases the performance of sealing the first accommodating groove 5 and the second accommodating groove 6, so that the inner wall of the second liner tube monomer 3 is smooth.

[0033] The working principle and usage process of the utility model: during assembly, the limiting block 21 is inserted into the inside of the limiting groove 11 along the baffle 4, increasing the limitation of the splicing of the first inner lining tube monomer 2 and the aluminum alloy outer layer 1, making it easier for the first inner lining tube monomer 2 and the aluminum alloy outer layer 1 to be spliced ​​together by screws, and the positioning column 31 is inserted into the inside of the positioning groove 22. By utilizing the cooperation of the positioning column 31 and the positioning groove 22, the positioning of the second inner lining tube monomer 3 and the first inner lining tube monomer 2 is increased when they are spliced ​​together, making it easier for the second inner lining tube monomer 3 and the first inner lining tube monomer 2 to be spliced ​​together by screws.

[0034] Although the embodiments of the present invention have been shown and described, please refer to the detailed description above. It will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aluminum tube with an inner lining structure, characterized in that: include An aluminum alloy outer layer (1), wherein the aluminum alloy outer layer (1) is a hollow cylindrical structure; A lining structure, the lining structure includes a first lining tube unit (2) installed on the inner wall of the aluminum alloy outer layer (1), a plurality of second lining tube units (3) installed on the inner wall of the first lining tube unit (2), a first receiving groove (5) and a second receiving groove (6) provided on two adjacent second lining tube units (3), a fixing ear (7) provided inside the first receiving groove (5) and the second receiving groove (6), and a fixing bolt (8) passing through the fixing ear (7) and screwed into the inside of the two adjacent second lining tube units (3).

2. The aluminum tube with an inner lining structure according to claim 1, characterized in that: Two first inner liner tube units (2) are provided, and a limiting block (21) is provided on the outer wall of the first inner liner tube unit (2), and a limiting groove (11) for inserting the limiting block (21) is provided on the inner wall of the aluminum alloy outer layer (1).

3. The aluminum tube with an inner lining structure according to claim 2, characterized in that: The notch of the limiting groove (11) is provided with symmetrically distributed blocking pieces (4); when the limiting block (21) is inserted into the limiting groove (11), the limiting block (21) abuts against the two blocking pieces (4).

4. The aluminum tube with an inner lining structure according to claim 1, characterized in that: Four second inner liner tube units (3) are provided, and a positioning column (31) is provided on each second inner liner tube unit (3).

5. The aluminum tube with an inner lining structure according to claim 4, characterized in that: A positioning groove (22) is provided on the first inner liner tube unit (2), and the positioning column (31) is adapted to the positioning groove (22).

6. The aluminum tube with an inner lining structure according to claim 1, characterized in that: The inner side surface of the first accommodating groove (5) is provided with a first rib (51), and the inner side surface of the second accommodating groove (6) is provided with a second rib (61), and the first rib (51) and the second rib (61) can abut against the fixing ear (7).

7. The aluminum tube with an inner lining structure according to claim 6, characterized in that: It also includes a blocking block (9) arranged at the notches of the first accommodating groove (5) and the second accommodating groove (6), and the blocking block (9) abuts against the outer sides of the first rib (51), the second rib (61), and the fixing ear (7).

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