CN202158278U - Copper aluminum composite tube and connecting tube of outdoor machine of air conditioner - Google Patents
Copper aluminum composite tube and connecting tube of outdoor machine of air conditioner Download PDFInfo
- Publication number
- CN202158278U CN202158278U CN2011202463885U CN201120246388U CN202158278U CN 202158278 U CN202158278 U CN 202158278U CN 2011202463885 U CN2011202463885 U CN 2011202463885U CN 201120246388 U CN201120246388 U CN 201120246388U CN 202158278 U CN202158278 U CN 202158278U
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- CN
- China
- Prior art keywords
- copper
- aluminum composite
- composite pipes
- air conditioner
- connecting tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
Abstract
The utility model discloses a copper aluminum composite tube, which comprises a copper layer, an aluminum layer and a copper aluminum connecting layer; the copper layer is located on the outer layer of the pipe; the aluminum layer is located on the inner layer of the pipe; and the copper aluminum connecting layer is located between the copper layer and the aluminum layer. In addition, the utility model also provides a connecting tube of outdoor machine of air conditioner, which comprises a copper transition tube, a copper nut and the copper aluminum composite tube; the middle section of the connecting tube is provided with the copper aluminum composite tube; the both ends of the connecting pipe are provided with the copper transition tubes; and one end of the copper transition tube is connected with the copper aluminum composite tube in a welding way, while the other end thereof is connected with the copper nut. Compared with the prior art, the copper aluminum composite tube and the connecting tube of outdoor machine of air conditioner can not only reduce cost but also solve corrosion problem and ensure intensity and stability of the connecting tube of outdoor machine of air conditioner due to the existence of the copper aluminum composite tube.
Description
Technical field
The utility model relates to the air conditioner outdoor machine field, exactly is meant a kind of copper aluminum composite pipes and air conditioner outdoor machine connecting tube.
Background technique
At present, existing air conditioner indoor and outdoor machine connecting tube generally all adopts copper pipe, and in the enlarging of copper pipe two ends and load onto copper nut, during installation, copper pipe is connected with the stop valve of indoor and outdoor machine through copper nut.In order to reduce cost, some technology replace with Al-alloy pipe with copper pipe.But; Because what air conditioner generally used at present is the copper valve; It must be connected with copper nut, if directly change copper pipe into Al-alloy pipe, Al-alloy pipe and copper nut contacting point can produce electrochemical corrosion; Thereby cause the joint Al-alloy pipe to be corroded, can influence the working life and the performance of connecting tube.In order to solve the etching problem of Al-alloy pipe and copper nut contacting point, the intermediate section that has some technology to propose the air conditioner indoor and outdoor machine connecting tube is again used Al-alloy pipe, and the copper transition tube is adopted at two ends, and copper nut is enclosed within respectively on the copper transition tube at two ends.But because Al-alloy pipe is compared with copper pipe, Al-alloy pipe does not have very high intensity, and in installing and using process, the easy bending of Al-alloy pipe perhaps fractures, and can influence the Security of air conditioner indoor and outdoor connecting pipe.
The model utility content
To above-mentioned defective, the technical problem that the utility model solves is to provide a kind of copper aluminum composite pipes and air conditioner outdoor machine connecting tube, both can reduce cost, and can solve corrosion again, can also guarantee the intensity and the stability of air conditioner outdoor machine connecting tube simultaneously.
In order to solve above technical problem, the copper aluminum composite pipes that the utility model provides comprises copper layer, aluminium lamination and copper aluminium binder course, and said copper layer is at the skin of pipe; Said aluminium lamination is at the internal layer of pipe; Said copper aluminium binder course is between said copper layer and said aluminium lamination.
More importantly; The utility model also provides a kind of air conditioner outdoor machine connecting tube; Comprise copper transition tube, copper nut and above-mentioned copper aluminum composite pipes, the intermediate section of said connecting tube is a copper aluminum composite pipes, and the two ends of said connecting tube are the copper transition tube; Said copper transition tube one end is connected through welding manner with said copper aluminum composite pipes, and the other end of said copper transition tube is connected with said copper nut.
More excellent ground; The structure of the weld part of said copper transition tube and said copper aluminum composite pipes is: said copper transition tube is provided with the reducing part; The outer diameter of said reducing part is consistent with the inner diameter of said copper aluminum composite pipes; Said reducing partly is socketed in the said copper aluminum composite pipes, and the surface of said reducing part and the surface heat of said copper aluminum composite pipes melt and link together.
More excellent ground, said weld part adopt the resistance type welding.
More excellent ground; The structure of the weld part of said copper transition tube and said copper aluminum composite pipes is: said copper transition tube is provided with flared part; The inner diameter of said flared part is consistent with the outer diameter of said copper aluminum composite pipes; Said copper aluminum composite pipes is socketed in the said flared part, and scolder is filled in the slit between said copper aluminum composite pipes and the said flared part.
More excellent ground, said weld part adopt the welding of tinbase plinth scolder.
More excellent ground also comprises thermal insulation layer, and said thermal insulation layer is enclosed within the outside of said copper aluminum composite pipes.
The copper aluminum composite pipes that the utility model provides comprises copper layer, aluminium lamination and copper aluminium binder course, and the copper layer is at the skin of pipe; Aluminium lamination is at the internal layer of pipe; Copper aluminium binder course is between copper layer and aluminium lamination.In addition; The utility model also provides a kind of air conditioner outdoor machine connecting tube; Comprise copper transition tube, copper nut and above-mentioned copper aluminum composite pipes, the intermediate section of connecting tube is a copper aluminum composite pipes, and the two ends of connecting tube are the copper transition tube; Copper transition tube one end is connected through welding manner with copper aluminum composite pipes, and the other end of copper transition tube is connected with copper nut.Compared with prior art, copper aluminum composite pipes that the utility model provides and air conditioner outdoor machine connecting tube, because the existence of copper aluminum composite pipes, it both can reduce cost, and can solve corrosion again, can also guarantee the intensity and the stability of air conditioner outdoor machine connecting tube simultaneously.
Description of drawings
Fig. 1 is the cross sectional representation of copper aluminum composite pipes in the utility model;
Fig. 2 is the structural representation of air conditioner outdoor machine connecting tube in the utility model;
Fig. 3 is the structural representation of the weld part of resistance type welding in the utility model air conditioner outdoor machine connecting tube;
Fig. 4 is the structural representation of the weld part of tinbase plinth scolder welding in the utility model air conditioner outdoor machine connecting tube.
Embodiment
For the technological scheme that those skilled in the art can understand the utility model better and provided, set forth below in conjunction with specific embodiment.
See also Fig. 1, this figure is the cross sectional representation of copper aluminum composite pipes in the utility model.
The copper aluminum composite pipes 2 that the utility model provides comprises copper layer 21, aluminium lamination 22 and copper aluminium binder course 23, and copper layer 21 is at the skin of pipe; Aluminium lamination 22 is at the internal layer of pipe; Copper aluminium binder course 23 is between copper layer 21 and aluminium lamination 22.This copper aluminum composite pipes 2 is through hot rolling, cold-drawn and process.
See also Fig. 2, this figure is the structural representation of air conditioner outdoor machine connecting tube in the utility model.
The air conditioner outdoor machine connecting tube that the utility model provides; Comprise thermal insulation layer 1, copper transition tube 3, copper nut 4 and above-mentioned copper aluminum composite pipes 2; The intermediate section of connecting tube is a copper aluminum composite pipes 2, and the two ends of connecting tube are copper transition tube 3, and copper transition tube 3 one ends and copper aluminum composite pipes 2 are connected through welding manner; The other end of copper transition tube 3 is connected with copper nut 4, and thermal insulation layer 1 is enclosed within the outside of copper aluminum composite pipes 2.
First kind:
See also Fig. 3, this figure is the structural representation of the weld part of resistance type welding in the utility model air conditioner outdoor machine connecting tube.
Second kind:
See also Fig. 4, this figure is the structural representation of the weld part of tinbase plinth scolder welding in the utility model air conditioner outdoor machine connecting tube.
Compared with prior art, copper aluminum composite pipes that the utility model provides and air conditioner outdoor machine connecting tube, because the existence of copper aluminum composite pipes, it both can reduce cost, and can solve corrosion again, can also guarantee the intensity and the stability of air conditioner outdoor machine connecting tube simultaneously.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (7)
1. a copper aluminum composite pipes is characterized in that, comprises copper layer, aluminium lamination and copper aluminium binder course, and said copper layer is at the skin of pipe; Said aluminium lamination is at the internal layer of pipe; Said copper aluminium binder course is between said copper layer and said aluminium lamination.
2. air conditioner outdoor machine connecting tube; It is characterized in that; Comprise the described copper aluminum composite pipes of copper transition tube, copper nut and claim 1, the intermediate section of said connecting tube is a copper aluminum composite pipes, and the two ends of said connecting tube are the copper transition tube; Said copper transition tube one end is connected through welding manner with said copper aluminum composite pipes, and the other end of said copper transition tube is connected with said copper nut.
3. air conditioner outdoor machine connecting tube according to claim 2; It is characterized in that; The structure of the weld part of said copper transition tube and said copper aluminum composite pipes is: said copper transition tube is provided with the reducing part; The outer diameter of said reducing part is consistent with the inner diameter of said copper aluminum composite pipes, and said reducing partly is socketed in the said copper aluminum composite pipes, and the surface heat of said reducing surface and said copper aluminum composite pipes partly melts and links together.
4. air conditioner outdoor machine connecting tube according to claim 3 is characterized in that, said weld part adopts the resistance type welding.
5. air conditioner outdoor machine connecting tube according to claim 2; It is characterized in that; The structure of the weld part of said copper transition tube and said copper aluminum composite pipes is: said copper transition tube is provided with flared part; The inner diameter of said flared part is consistent with the outer diameter of said copper aluminum composite pipes, and said copper aluminum composite pipes is socketed in the said flared part, and scolder is filled in the slit between said copper aluminum composite pipes and the said flared part.
6. air conditioner outdoor machine connecting tube according to claim 5 is characterized in that, said weld part adopts the welding of tinbase plinth scolder.
7. air conditioner outdoor machine connecting tube according to claim 2 is characterized in that, also comprises thermal insulation layer, and said thermal insulation layer is enclosed within the outside of said copper aluminum composite pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202463885U CN202158278U (en) | 2011-07-13 | 2011-07-13 | Copper aluminum composite tube and connecting tube of outdoor machine of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202463885U CN202158278U (en) | 2011-07-13 | 2011-07-13 | Copper aluminum composite tube and connecting tube of outdoor machine of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158278U true CN202158278U (en) | 2012-03-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202463885U Expired - Fee Related CN202158278U (en) | 2011-07-13 | 2011-07-13 | Copper aluminum composite tube and connecting tube of outdoor machine of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158278U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014992A (en) * | 2014-05-24 | 2014-09-03 | 广东志高空调有限公司 | Method and device for machining horn mouth and connecting pipe machined with horn mouths |
| CN105171259A (en) * | 2015-08-17 | 2015-12-23 | 何珠华 | Composite pipe and manufacturing method and application thereof |
| CN109578706A (en) * | 2018-05-14 | 2019-04-05 | 北海市景泰达科技有限公司 | A kind of Copper-Aluminum compound pipe connected pipe |
-
2011
- 2011-07-13 CN CN2011202463885U patent/CN202158278U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104014992A (en) * | 2014-05-24 | 2014-09-03 | 广东志高空调有限公司 | Method and device for machining horn mouth and connecting pipe machined with horn mouths |
| CN104014992B (en) * | 2014-05-24 | 2016-09-14 | 广东志高空调有限公司 | A kind of for the bell-mouthed process equipment of worked copper aluminium composite pipe |
| CN105171259A (en) * | 2015-08-17 | 2015-12-23 | 何珠华 | Composite pipe and manufacturing method and application thereof |
| CN109578706A (en) * | 2018-05-14 | 2019-04-05 | 北海市景泰达科技有限公司 | A kind of Copper-Aluminum compound pipe connected pipe |
| CN109578706B (en) * | 2018-05-14 | 2020-08-04 | 北海市景泰达科技有限公司 | Copper-aluminum composite pipe connecting pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20160713 |