CN1676980A - Copper-aluminium combined pipeline for refrigerating system and its preparing method - Google Patents
Copper-aluminium combined pipeline for refrigerating system and its preparing method Download PDFInfo
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- CN1676980A CN1676980A CN 200510042495 CN200510042495A CN1676980A CN 1676980 A CN1676980 A CN 1676980A CN 200510042495 CN200510042495 CN 200510042495 CN 200510042495 A CN200510042495 A CN 200510042495A CN 1676980 A CN1676980 A CN 1676980A
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- copper
- pipe
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- tube
- weld
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Abstract
Description
Claims (6)
- The preparation method of 1 one kinds of copper-aluminium combined pipeline for refrigerating system, it is characterized in that choosing the identical copper pipe of external diameter of pipe (1) and aluminum pipe (4) carries out preliminary working, the weld part that is about to copper pipe (1) pipe end is processed into guide portion (3) and its face of weld (2) after a while that external diameter is slightly smaller than the straight tube-like of aluminum pipe (4) internal diameter, again copper pipe (1) and aluminum pipe (4) are separately fixed on the two arrays of electrodes of float electrode that pressure welding meets sb. at the airport and fixed electrode, and the pilot pressure welding machine moves in the insertion aluminum pipe (4) copper pipe (1), when the taper face of weld (2) of the copper pipe (1) of hard is ground away the oxide layer on soft aluminum pipe (4) inwall to electrifying electrodes, enter until the face of weld (2) of copper pipe (1) bag and to go to the back to disconnect welding power source in the aluminum pipe (4), promptly finish the preparation of copper-aluminium combined pipeline.
- 2 preparation methods as claimed in claim 1 is characterized in that the face of weld (2) of above-mentioned copper pipe (1) should be conical surface.
- 3 preparation methods as claimed in claim 2 is characterized in that being processed with several ring-type shallow slot or helixes on this taper face of weld (2).
- 4 one kinds of copper-aluminium combined pipeline for refrigerating system, the external diameter that it is characterized in that copper pipe (1) is identical with aluminum pipe (4), and at the weld part front end of copper pipe (1) is guide portion (3) that straight tube-like is arranged and taper face of weld (2) thereafter, the external diameter of this guide portion is slightly smaller than aluminum pipe (4) internal diameter, the welding area (5) that above-mentioned taper face of weld (2) and aluminum pipe (4) inwall are combined to.
- 5 copper-aluminium combined pipeline for refrigerating system as claimed in claim 4 is characterized in that the surperficial protective layer (6) that plastic-blasting is arranged, spray paint or overlap thermal shrinkable sleeve outside above-mentioned fusion face (5).
- 6 copper-aluminium combined pipeline for refrigerating system as claimed in claim 4 is characterized in that the outer surface at above-mentioned aluminum pipe (4) has plastic-blasting, sprays paint or overlap the protective layer (6) of thermal shrinkable sleeve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100424955A CN1299038C (en) | 2005-02-24 | 2005-02-24 | Copper-aluminium combined pipeline for refrigerating system and its preparing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100424955A CN1299038C (en) | 2005-02-24 | 2005-02-24 | Copper-aluminium combined pipeline for refrigerating system and its preparing method |
Publications (2)
Publication Number | Publication Date |
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CN1676980A true CN1676980A (en) | 2005-10-05 |
CN1299038C CN1299038C (en) | 2007-02-07 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2005100424955A Expired - Fee Related CN1299038C (en) | 2005-02-24 | 2005-02-24 | Copper-aluminium combined pipeline for refrigerating system and its preparing method |
Country Status (1)
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CN (1) | CN1299038C (en) |
Cited By (10)
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CN100420892C (en) * | 2006-09-20 | 2008-09-24 | 左铁军 | Inner diameter of copper aluminum joint, copper aluminum joint with diameter being equal to inner diameter of aluminum pipe, and preparation method |
CN100436912C (en) * | 2006-12-29 | 2008-11-26 | 浙江康盛股份有限公司 | Pipe for connecting air conditioner and manufacturing method |
CN100445625C (en) * | 2006-09-20 | 2008-12-24 | 左铁军 | Welded joint of thin wall copper aluminum pipe with no eutectic structure, and preparation method |
CN100445623C (en) * | 2006-09-20 | 2008-12-24 | 左铁军 | Refrigeration pipe composed of copper elbow and U pipe of aluminum, and preparation method |
CN100460129C (en) * | 2006-05-25 | 2009-02-11 | 珠海格力电器股份有限公司 | Copper-aluminum composite pipeline, processing equipment and processing method thereof |
CN101382216B (en) * | 2007-09-05 | 2010-08-11 | 左铁军 | Counter bending copper-aluminium tube joint, method for producing same and special core rod |
CN101319741B (en) * | 2007-06-04 | 2011-05-04 | 左铁军 | Plug-in type copper aluminum pipe welded joint and method of producing the same |
CN102773598A (en) * | 2012-08-13 | 2012-11-14 | 左铁军 | Novel air conditioning pipe aluminum welding process by utilizing copper as welding medium |
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 |
CN110735974A (en) * | 2018-07-20 | 2020-01-31 | 新昌县四通机电有限公司 | pipe fitting connecting structure, manufacturing method thereof, liquid storage device and refrigerating system |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101319742B (en) * | 2007-06-04 | 2012-04-18 | 青岛津海制冷管业有限公司 | Pipe connection used for indoor and outdoor units of air conditioner and its method for making production method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3311649B2 (en) * | 1997-07-15 | 2002-08-05 | 森 繁夫 | Joint and joining method of copper tube and aluminum tube |
CN2584995Y (en) * | 2002-12-06 | 2003-11-05 | 广东美的集团股份有限公司 | Hose for connecting indoor unit and outdoor unit of air conditioner |
CN2677719Y (en) * | 2004-01-15 | 2005-02-09 | 左铁军 | Inserted copper alumium pipe welding joint |
-
2005
- 2005-02-24 CN CNB2005100424955A patent/CN1299038C/en not_active Expired - Fee Related
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100460129C (en) * | 2006-05-25 | 2009-02-11 | 珠海格力电器股份有限公司 | Copper-aluminum composite pipeline, processing equipment and processing method thereof |
CN100420892C (en) * | 2006-09-20 | 2008-09-24 | 左铁军 | Inner diameter of copper aluminum joint, copper aluminum joint with diameter being equal to inner diameter of aluminum pipe, and preparation method |
CN100445625C (en) * | 2006-09-20 | 2008-12-24 | 左铁军 | Welded joint of thin wall copper aluminum pipe with no eutectic structure, and preparation method |
CN100445623C (en) * | 2006-09-20 | 2008-12-24 | 左铁军 | Refrigeration pipe composed of copper elbow and U pipe of aluminum, and preparation method |
CN100436912C (en) * | 2006-12-29 | 2008-11-26 | 浙江康盛股份有限公司 | Pipe for connecting air conditioner and manufacturing method |
CN101319741B (en) * | 2007-06-04 | 2011-05-04 | 左铁军 | Plug-in type copper aluminum pipe welded joint and method of producing the same |
CN101382216B (en) * | 2007-09-05 | 2010-08-11 | 左铁军 | Counter bending copper-aluminium tube joint, method for producing same and special core rod |
CN102773598A (en) * | 2012-08-13 | 2012-11-14 | 左铁军 | Novel air conditioning pipe aluminum welding process by utilizing copper as welding medium |
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 |
CN110735974A (en) * | 2018-07-20 | 2020-01-31 | 新昌县四通机电有限公司 | pipe fitting connecting structure, manufacturing method thereof, liquid storage device and refrigerating system |
Also Published As
Publication number | Publication date |
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CN1299038C (en) | 2007-02-07 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Qingdao Haiqing Mechanism Plant Assignor: Zuo Tiejun|Zhao Yue Contract fulfillment period: 2007.3.5 to 2012.3.4 Contract record no.: 2008370000126 Denomination of invention: Copper-aluminium combined pipeline for refrigerating system and its preparing method Granted publication date: 20070207 License type: Exclusive license Record date: 20081125 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.3.5 TO 2012.3.4; CHANGE OF CONTRACT Name of requester: QINGDAO CITY HAIQING MACHINE GENERAL FACTORY Effective date: 20081125 |
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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: 20070207 Termination date: 20180224 |