Solder coating type aluminum flat tube for automobile heat exchanger

Abstract

The utility model relates to the technical field of aluminum flat tubes, and discloses a solder coating type aluminum flat tube for an automobile heat exchanger, which comprises a coating type flat tube, a coating is arranged on the outer surface of the coating type flat tube, an outer side assembly and an inner side assembly are arranged on the inner side of the coating type flat tube, the outer side assembly is in contact with the inner side assemblies on the two sides, and the outer side assembly is in contact with the inner side assemblies on the two sides. The outer side assembly and the inner side assembly can provide supporting force from inside to outside for the coating type flat pipe. The inner side assembly comprises a bottom supporting part and a top supporting part, a vertical supporting part is fixedly connected between the bottom supporting part and the top supporting part, and chamfering parts are arranged at the upper end and the lower end of the vertical supporting part; the outer side assembly comprises a transverse supporting part and an arc part. According to the aluminum flat pipe, through the arrangement of the outer side assembly and the inner side assembly, the overall impact resistance can be improved to a great extent, the durability degree of the aluminum flat pipe is improved, and therefore it is guaranteed that refrigerants can flow normally, and the aluminum flat pipe is very durable in use.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum flat tubes, in particular to a solder-coated aluminum flat tube for an automotive heat exchanger. Background Art

[0002] An aluminum flat tube is provided in an automotive heat exchanger for carrying the flow of a new environmentally friendly refrigerant.

[0003] In the existing technology, the aluminum flat tube includes a coated flat tube and a coating. There is a flow channel inside the coated flat tube. However, the impact resistance of the aluminum flat tube is not good. During the driving of the vehicle, it is easily hit by flying insects or other foreign objects, causing the aluminum flat tube to deform, affecting the normal flow of the refrigerant, and being not durable enough in use. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a solder-coated aluminum flat tube for an automotive heat exchanger. By providing an outer component and an inner component, the overall impact resistance can be greatly improved, the durability of the aluminum flat tube can be enhanced, so as to ensure the normal flow of the refrigerant and make it very durable in use.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A solder-coated aluminum flat tube for an automotive heat exchanger includes a coated flat tube, a coating is provided on the outer surface of the coated flat tube, an outer component and an inner component are provided inside the coated flat tube, the outer component is in contact with the two inner components on both sides, and the outer component and the inner component can provide an outward support force from the inside for the coated flat tube; the inner component includes a bottom support part and a top support part, a vertical support part is fixedly connected between the bottom support part and the top support part, and chamfered parts are provided at both the upper and lower ends of the vertical support part; the outer component includes a horizontal support part and an arc part, the horizontal support part is fixedly connected with the arc part, a fillet part is provided at the connection of the horizontal support part and the arc part, and the horizontal support part is in contact with the vertical support part.

[0006] Further, the number of the inner components is at least two, and adjacent inner components are in contact with each other.

[0007] Further, the arc part is in contact with the inner wall of the coated flat tube.

[0008] Further, the longitudinal cross-sectional shape of the arc part is a semi-circular arc shape.

[0009] Further, the longitudinal cross-sectional shape of the inner component is an I-shaped.

[0010] Further, the horizontal support part and the vertical support part are arranged perpendicular to each other.

[0011] Further, the horizontal support part is located in the middle of the arc part.

[0012] Furthermore, the upper and lower ends of the arc portion are respectively in contact with the outer top support portion and the bottom support portion.

[0013] The utility model has the following beneficial effects:

[0014] A solder-coated aluminum flat tube for an automotive heat exchanger proposed by the utility model can greatly improve the overall impact resistance and the durability of the aluminum flat tube by arranging the outer component and the inner component, thereby ensuring the normal circulation of the refrigerant and being very durable in use. Description of the Drawings

[0015] Figure 1 is a schematic structural view of the utility model;

[0016] Figure 2 is a schematic structural view of the outer component of the utility model;

[0017] Figure 3 is a schematic structural view of the inner component of the utility model;

[0018] Figure 4 is a cross-sectional view of the utility model.

[0019] Legend:

[0020] 1. Coated flat tube; 2. Coating; 3. Outer component; 4. Inner component; 301. Cross support portion; 302. Arc portion; 303. Fillet portion; 401. Bottom support portion; 402. Chamfer portion; 403. Vertical support portion; 404. Top support portion. Detailed Embodiment

[0021] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the utility model without creative efforts shall fall within the protection scope of the utility model.

[0022] Embodiment 1

[0023] Refer to Figures 1-4The utility model provides an embodiment: a solder-coated aluminum flat tube for an automobile heat exchanger, comprising a coated flat tube 1, wherein the outer surface of the coated flat tube 1 is provided with a coating 2, an outer component 3 and an inner component 4 are provided on the inner side of the coated flat tube 1, the longitudinal cross-section of the inner component 4 is an I-shaped, the number of the inner components 4 is at least two, the adjacent inner components 4 are in contact with each other, the outer component 3 is in contact with the inner components 4 on both sides, and the outer component 3 and the inner component 4 can provide a supporting force from the inside to the outside for the coated flat tube 1; the inner component 4 comprises a bottom support portion 401 and a top support portion 404, a vertical support portion 403 is fixedly connected between the bottom support portion 401 and the top support portion 404, and chamfered portions 402 are provided at both upper and lower ends of the vertical support portion 403; the outer component 3 comprises a horizontal support portion 301 and an arc portion 302, the upper and lower ends of the arc portion 302 are in contact with the outer top support portion 404 and the bottom support portion 401 respectively, and the horizontal support portion 301 is in contact with the vertical support portion 403 The cross brace 301 is arranged perpendicularly to each other, the cross brace 301 is located in the middle of the arc portion 302, the arc portion 302 is in contact with the inner wall of the coated flat tube 1, the arc portion 302 has a semicircular arc shape in longitudinal section, the cross brace 301 is fixedly connected to the arc portion 302, a rounded corner portion 303 is arranged at the connection between the cross brace 301 and the arc portion 302, the cross brace 301 and the vertical brace 403 are in contact with each other, and when in use, the inner component 4 and the outer component 3 can provide support for the coated flat tube 1 from the inside to the outside. The rounded corners 303 can improve the strength of the connection between the horizontal support 301 and the arc portion 302, and the chamfered corners 402 can improve the strength of the connection between the vertical support 403 and the top support 404 and the bottom support 401. The vertical support 403 can provide support for the horizontal support 301. At the same time, the bottom support 401 and the top support 404 can provide support for the arc portion 302, thereby improving the overall durability. The outer and inner components 3 and 4 can greatly improve the overall impact resistance and the durability of the aluminum flat tube, thereby ensuring that the refrigerant can circulate normally and is very durable to use.

[0024] Working principle: When in use, the inner component 4 and the outer component 3 can provide support force for the coated flat tube 1 from the inside to the outside, and can independently form the refrigerant channel to facilitate the circulation of the refrigerant, wherein the rounded portion 303 can increase the strength of the connection between the transverse support portion 301 and the arc portion 302, the chamfered portion 402 can increase the strength of the connection between the vertical support portion 403 and the top support portion 404 and the bottom support portion 401, and the vertical support portion 403 can provide support force for the transverse support portion 301, and at the same time, the bottom support portion 401 and the top support portion 404 can provide support for the arc portion 302, thereby improving the overall durability.

[0025] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A solder-coated aluminum flat tube for an automobile heat exchanger, comprising a coated flat tube (1), wherein the outer surface of the coated flat tube (1) is provided with a coating (2), characterized in that: The coated flat tube (1) is provided with an outer component (3) and an inner component (4) on the inner side. The outer component (3) is in contact with the inner components (4) on both sides. The outer component (3) and the inner component (4) can provide the coated flat tube (1) with a supporting force from the inside to the outside. The inner component (4) comprises a bottom supporting portion (401) and a top supporting portion (404). The bottom supporting portion (401) and the top supporting portion (404) are fixedly connected. A vertical support portion (403), wherein both upper and lower ends of the vertical support portion (403) are provided with chamfered portions (402); the outer component (3) comprises a horizontal support portion (301) and an arc portion (302), wherein the horizontal support portion (301) and the arc portion (302) are fixedly connected, wherein a rounded corner portion (303) is provided at the connection between the horizontal support portion (301) and the arc portion (302), and the horizontal support portion (301) and the vertical support portion (403) are in contact with each other.

2. The solder-coated aluminum flat tube for automobile heat exchanger according to claim 1, characterized in that: There are at least two inner side components (4), and adjacent inner side components (4) are in contact with each other.

3. The solder-coated aluminum flat tube for automobile heat exchanger according to claim 1, characterized in that: The arc portion (302) is in contact with the inner wall of the coated flat tube (1).

4. The solder-coated aluminum flat tube for automobile heat exchanger according to claim 1, characterized in that: The arc portion (302) has a longitudinal cross-sectional shape of a semicircular arc.

5. The solder-coated aluminum flat tube for automobile heat exchanger according to claim 1, characterized in that: The longitudinal cross-section of the inner component (4) is in the shape of an I-beam.

6. The solder-coated aluminum flat tube for automobile heat exchanger according to claim 1, characterized in that: The horizontal support portion (301) and the vertical support portion (403) are arranged perpendicular to each other.

7. The solder-coated aluminum flat tube for automobile heat exchanger according to claim 1, characterized in that: The cross bracing portion (301) is located in the middle of the arc portion (302).

8. The solder-coated aluminum flat tube for automobile heat exchanger according to claim 1, characterized in that: The upper and lower ends of the arc portion (302) are in contact with the outer top support portion (404) and the bottom support portion (401) respectively.

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