CN2784122Y - Brazing structure of copper tube and aluminum tube - Google Patents
Brazing structure of copper tube and aluminum tube Download PDFInfo
- Publication number
- CN2784122Y CN2784122Y CN 200420075543 CN200420075543U CN2784122Y CN 2784122 Y CN2784122 Y CN 2784122Y CN 200420075543 CN200420075543 CN 200420075543 CN 200420075543 U CN200420075543 U CN 200420075543U CN 2784122 Y CN2784122 Y CN 2784122Y
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- Prior art keywords
- pipe
- copper pipe
- soldering
- aluminum
- solder layer
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- Expired - Lifetime
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Abstract
The utility model relates to a soldering structure of a copper pipe and an aluminum pipe. The copper pipe and an aluminum pipe are matched with each other in an insertion mode, an intermediate filtering solder layer is plated on the pipe surface where the copper pipe and an aluminum pipe are matched with each other in an insertion mode, and the copper pipe is soldered together with the aluminum pipe through the solder layer. Because the intermediate filtering solder layer is plated on the pipe surface where the copper pipe and an aluminum pipe are matched with each other in an insertion mode, the intermediate filtering solder layer can be a zinc coated layer, a zinc alloy layer or a tinning layer, and in this way, a soldering process is converted into the soldering of aluminium and zinc (zinc alloy or tin). Soldering can be conveniently practised by adopting ordinary soldering operation methods (such as flame soldering). The operation of part processing and production line soldering can be conveniently carried out through the utility model, and soldering joint formed after soldered can fully satisfy the requirements of a refrigeration system.
Description
Technical field
The utility model relates to the braze-welded structure of copper pipe and aluminum pipe in a kind of refrigeration industry.
Background technology
In refrigeration industry, process refrigeration pipe by using copper pipe and aluminum pipe, and copper pipe and aluminum pipe be because physics, chemical property difference are bigger, being difficult between the two welds together.The method that adopts in actual production at present has the mechanical collar to connect and uses copper---the welding of aluminium transit joint, and the wherein mechanical collar connects and belongs to mechanical connection, does not have metallurgical the fusion, is difficult to guarantee seal request; And use the welding of copper one aluminium transit joint, and having increased welding cost greatly, each welding position will increase by two weld bonds simultaneously, has so just increased the hidden danger of leaking.In addition, the mechanical collar and copper one aluminium transit joint all need special equipment, and application is restricted.
The utility model content
At the problems referred to above, the purpose of this utility model is to provide the braze-welded structure of a kind of copper pipe and aluminum pipe, so that copper pipe and aluminum pipe can directly weld.
To achieve these goals, the technical solution of the utility model has been to adopt the braze-welded structure of a kind of copper pipe and aluminum pipe, copper pipe cooperates with the aluminum pipe plug-in mounting, is coated with one deck intermediate filtered solder layer on copper pipe and aluminum pipe are pegged graft the pipe face that cooperates, and copper pipe passes through this solder layer and Al pipe butt welding together.
Described copper pipe inserts in the aluminum pipe, is coated with the intermediate filtered solder layer at the outer surface of copper pipe.
Described intermediate filtered solder layer can be zinc coat, zinc alloy layer or tin coating.
Owing to copper pipe is pegged graft the pipe face that cooperates with aluminum pipe on, be coated with one deck intermediate filtered solder layer, the intermediate filtered solder layer can be zinc coat, zinc alloy layer or tin coating, welding process just changes the welding of aluminum and zinc (kirsite or tin) into like this, adopt common welding operation method (as gas brazing), just can implement welding easily.No matter the utility model is the parts processing, or the production line welding, can both operate easily, and the formed soldered seam of postwelding can satisfy the requirement of refrigeration system fully.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
As shown in Figure 1, the braze-welded structure of copper pipe of the present utility model and aluminum pipe, its copper pipe 1 cooperates with aluminum pipe 2 plug-in mountings, is coated with one deck intermediate filtered solder layer 3 copper pipe 1 is pegged graft the pipe face that cooperates with aluminum pipe 2 on, and copper pipe 1 welds together with aluminum pipe 2 by this solder layer 3.In the present embodiment, copper pipe 1 inserts in the aluminum pipe 2, is coated with intermediate filtered solder layer 3 at the outer surface of copper pipe 1, and intermediate filtered solder layer 3 is a zinc coat, also can be zinc alloy layer or tin coating.
It should be noted last that: above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to the foregoing description, those of ordinary skill in the art is to be understood that: still can make amendment or be equal to replacement the utility model, and not breaking away from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1, the braze-welded structure of a kind of copper pipe and aluminum pipe is characterized in that: copper pipe cooperates with the aluminum pipe plug-in mounting, is coated with one deck intermediate filtered solder layer on copper pipe and aluminum pipe are pegged graft the pipe face that cooperates, and copper pipe passes through this solder layer and Al pipe butt welding together.
2, the braze-welded structure of copper pipe according to claim 1 and aluminum pipe is characterized in that: described copper pipe inserts in the aluminum pipe, is coated with the intermediate filtered solder layer at the outer surface of copper pipe.
3, the braze-welded structure of copper pipe according to claim 2 and aluminum pipe is characterized in that: described intermediate filtered solder layer can be zinc coat, zinc alloy layer or tin coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075543 CN2784122Y (en) | 2004-12-31 | 2004-12-31 | Brazing structure of copper tube and aluminum tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420075543 CN2784122Y (en) | 2004-12-31 | 2004-12-31 | Brazing structure of copper tube and aluminum tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2784122Y true CN2784122Y (en) | 2006-05-31 |
Family
ID=36771105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420075543 Expired - Lifetime CN2784122Y (en) | 2004-12-31 | 2004-12-31 | Brazing structure of copper tube and aluminum tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2784122Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642076A (en) * | 2012-04-20 | 2012-08-22 | 绍兴亨特铝热交换技术有限公司 | Welding method of copper-aluminum pipe joint |
| CN103143852A (en) * | 2011-12-06 | 2013-06-12 | 海信科龙电器股份有限公司 | Braze welding connector and method for welding connector |
| CN103203598A (en) * | 2013-04-11 | 2013-07-17 | 新兴铸管股份有限公司 | Metallurgical composite bimetal seamless pipe production process |
| CN103600147A (en) * | 2013-10-22 | 2014-02-26 | 重庆建工第三建设有限责任公司 | Copper pipe socket brazed connection construction method |
| CN109732167A (en) * | 2018-12-10 | 2019-05-10 | 江苏科技大学 | For copper/aluminum pipe part brazing device and its method for welding |
| CN114749754A (en) * | 2022-05-31 | 2022-07-15 | 核工业西南物理研究院 | Vacuum brazing evaluation test piece for vacuum brazing process evaluation |
-
2004
- 2004-12-31 CN CN 200420075543 patent/CN2784122Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103143852A (en) * | 2011-12-06 | 2013-06-12 | 海信科龙电器股份有限公司 | Braze welding connector and method for welding connector |
| CN103143852B (en) * | 2011-12-06 | 2016-04-20 | 海信科龙电器股份有限公司 | A kind of soldering connection interface and the method that this interface is welded |
| CN102642076A (en) * | 2012-04-20 | 2012-08-22 | 绍兴亨特铝热交换技术有限公司 | Welding method of copper-aluminum pipe joint |
| CN103203598A (en) * | 2013-04-11 | 2013-07-17 | 新兴铸管股份有限公司 | Metallurgical composite bimetal seamless pipe production process |
| CN103600147A (en) * | 2013-10-22 | 2014-02-26 | 重庆建工第三建设有限责任公司 | Copper pipe socket brazed connection construction method |
| CN103600147B (en) * | 2013-10-22 | 2017-01-25 | 重庆建工第三建设有限责任公司 | Copper pipe socket brazed connection construction method |
| CN109732167A (en) * | 2018-12-10 | 2019-05-10 | 江苏科技大学 | For copper/aluminum pipe part brazing device and its method for welding |
| CN114749754A (en) * | 2022-05-31 | 2022-07-15 | 核工业西南物理研究院 | Vacuum brazing evaluation test piece for vacuum brazing process evaluation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20141231 Granted publication date: 20060531 |