CN108506603A - A kind of copper-aluminium joint of high mechanical strength - Google Patents
A kind of copper-aluminium joint of high mechanical strength Download PDFInfo
- Publication number
- CN108506603A CN108506603A CN201810523113.8A CN201810523113A CN108506603A CN 108506603 A CN108506603 A CN 108506603A CN 201810523113 A CN201810523113 A CN 201810523113A CN 108506603 A CN108506603 A CN 108506603A
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- CN
- China
- Prior art keywords
- connecting portion
- copper
- mechanical strength
- high mechanical
- aluminum pipe
- Prior art date
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
- F16L13/02—Welded joints
- F16L13/0218—Welded joints having an inner or outer ring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
Abstract
The present invention relates to the copper-aluminium joints on a kind of refrigeration piping, more particularly to a kind of copper-aluminium joint of high mechanical strength, belong to technical field of refrigeration equipment, including copper pipe and aluminum pipe, it is characterized in that, the copper pipe End is equipped with first connecting portion, first connecting portion is the L-shaped structure being laterally arranged, aluminum pipe end is equipped with second connecting portion, second connecting portion is the L-shaped structure being laterally arranged, first connecting portion, second connecting portion is oppositely arranged, first connecting portion, second connecting portion forms rectangular configuration, first connecting portion contact surface corresponding with second connecting portion is equipped with mutually matched detent mechanism, first connecting portion, resistance spot welding connects between second connecting portion.Copper pipe End is designed as the first L-shaped interconnecting piece by the present invention, the second L-shaped interconnecting piece is designed into aluminum pipe connecting pin, the connection that rectangular configuration realizes copper pipe and aluminum pipe is formed by the first L-shaped interconnecting piece, the second L-shaped interconnecting piece, the contact area of connecting pin is big, the high mechanical strength of junction.
Description
Technical field
The present invention relates to the copper-aluminium joints on a kind of refrigeration piping, and in particular to a kind of copper-aluminium joint of high mechanical strength,
Belong to technical field of refrigeration equipment.
Background technology
For refrigeration equipments such as air-conditioning, refrigerators, refrigerant is the refrigerating medium for realizing heat exchange, it is in refrigeration piping
It circulates, refrigeration effect is related to the flow of refrigerant.Refrigeration piping generally use copper pipe, good refrigeration effect, but I
State is the country of copper resource relative shortage, bauxite resource relative abundance, and in order to reduce cost, being using aluminum pipe on portions can
Capable, but since copper pipe differs about 400 DEG C with aluminum pipe fusing point, it often needs to use copper aluminium in the junction of copper pipe and aluminum pipe
Connector realizes that the pipeline between different tubing connects.Generally required in refrigeration piping section it is smooth as possible, without unexpected undergauge or expansion
The case where, therefore, existing copper-aluminium joint generally requires the internal diameter of joint structure equal or close with aluminum pipe internal diameter, copper-aluminium joint
Outer diameter and aluminum pipe outer diameter it is essentially identical.Existing copper-aluminium joint is using outer diameter same or similar copper pipe and aluminum pipe socket joint type knot
The connection of structure, copper and aluminium is by the way of hot extrusion, and in copper aluminium junction, tube wall is than relatively thin, and the bond strength of copper and aluminum pipe is not
Height is easy to be torn, and copper pipe is made to be separated with aluminum pipe section.
Invention content
The object of the present invention is to provide a kind of copper-aluminium joints of high mechanical strength, and copper pipe End, which is designed as the first L-shaped, to be connected
Aluminum pipe connecting pin is designed the second L-shaped interconnecting piece, passes through the first L-shaped interconnecting piece, the second rectangular knot of L-shaped interconnecting piece group by socket part
Structure realizes the connection of copper pipe and aluminum pipe, and the contact area of connecting pin is big, the high mechanical strength of junction.
The purpose of the present invention is what is be achieved through the following technical solutions, a kind of copper-aluminium joint of high mechanical strength, including copper
Pipe and aluminum pipe, characterized in that the copper pipe End is equipped with first connecting portion, and first connecting portion is the L-shaped structure being laterally arranged, aluminium
Tube end is equipped with second connecting portion, and second connecting portion is the L-shaped structure being laterally arranged, and first connecting portion, second connecting portion are opposite
Setting, first connecting portion, second connecting portion form rectangular configuration, are set on first connecting portion contact surface corresponding with second connecting portion
There is mutually matched detent mechanism, resistance spot welding connection between first connecting portion, second connecting portion.
Preferably, the location structure includes matched first rectangular channel, the first rectangular block, the first rectangular channel setting the
On the lateral surface of one interconnecting piece, the first rectangular block is correspondingly arranged on the medial surface of second connecting portion.
Preferably, the location structure includes matched first semi-spherical grooves, the first hemispherical block, the first semi-spherical grooves
It is arranged on the lateral surface of first connecting portion, the first hemispherical block is correspondingly arranged on the medial surface of second connecting portion.
Preferably, the outer diameter of the first connecting portion is more than the outer diameter of copper pipe.
Preferably, the outer diameter of the second connecting portion is more than the outer diameter of aluminum pipe.
Compared with prior art, the invention has the advantages that:
First, lateral, L-shaped structure first connecting portion is designed in copper pipe End, design is lateral, L-shaped structure in aluminum pipe end
Second connecting portion realizes the point of resistance of copper pipe and aluminum pipe by first connecting portion, matching for second connecting portion being combined into rectangular configuration
Weldering connection, ingenious in design, connecting pin contact surface is big, connector portions high mechanical strength.
Second, mutually matched detent mechanism is designed on first connecting portion contact surface corresponding with second connecting portion, into
One step enhances the mechanical strength of copper-aluminium joint.
The outer diameter of first connecting portion is designed as the outer diameter more than copper pipe by third, and the outer diameter of second connecting portion is designed as greatly
In the outer diameter of aluminum pipe, by the thickness for increasing interconnecting piece so that the mechanical strength of copper-aluminium joint is further enhanced.
Description of the drawings
Fig. 1 is the structural schematic diagram of the copper-aluminium joint of high mechanical strength of the present invention(Detent mechanism is rectangular channel, rectangular block);
Fig. 2 is the structural schematic diagram of the copper-aluminium joint of high mechanical strength of the present invention(Detent mechanism is half ball groove, hemisphere block);
Fig. 3 is the structural schematic diagram of the copper pipe End of the copper-aluminium joint of high mechanical strength of the present invention;
Fig. 4 is the structural schematic diagram of the aluminum pipe end of the copper-aluminium joint of high mechanical strength of the present invention.
Specific implementation mode
As shown in Figs 1-4, a kind of copper-aluminium joint of high mechanical strength, including copper pipe 1 and aluminum pipe 2.
1 end of copper pipe is equipped with first connecting portion 11, and first connecting portion 11 is the L-shaped structure being laterally arranged.
2 end of aluminum pipe is equipped with second connecting portion 21, and second connecting portion 21 is the L-shaped structure being laterally arranged.
First connecting portion 11, second connecting portion 21 are oppositely arranged, 21 groups of first connecting portion 11, second connecting portion rectangular knots
Structure, the contact surface corresponding with second connecting portion 21 of first connecting portion 11 are equipped with mutually matched detent mechanism, first connecting portion
11, resistance spot welding connects between second connecting portion 21.
Location structure includes matched first rectangular channel 12, the first rectangular block 22, the first connection of the first rectangular channel setting
On the lateral surface in portion 11, the first rectangular block is correspondingly arranged on the medial surface of second connecting portion 21.
Location structure can also be used and be realized with lower structure, including matched first semi-spherical grooves 13, the first hemispherical
Block 23, the first semi-spherical grooves are arranged on the lateral surface of first connecting portion 11, and the first hemispherical block is correspondingly arranged second connecting portion 21
Medial surface on.
The outer diameter of first connecting portion 11 is more than the outer diameter of copper pipe 1.
The outer diameter of second connecting portion 21 is more than the outer diameter of aluminum pipe 2.
The present invention designs lateral, L-shaped structure first connecting portion in copper pipe End, and lateral, L-shaped knot is designed in aluminum pipe end
The second connecting portion of structure realizes the electricity of copper pipe and aluminum pipe by first connecting portion, matching for second connecting portion being combined into rectangular configuration
Spot welding connection is hindered, ingenious in design, connecting pin contact surface is big, connector portions high mechanical strength.
The present invention designs mutually matched detent mechanism on first connecting portion contact surface corresponding with second connecting portion, into
One step enhances the mechanical strength of copper-aluminium joint.
The outer diameter of first connecting portion is designed as the outer diameter more than copper pipe by the present invention, and the outer diameter of second connecting portion is designed as greatly
In the outer diameter of aluminum pipe, by the thickness for increasing interconnecting piece so that the mechanical strength of copper-aluminium joint is further enhanced.
Claims (5)
1. a kind of copper-aluminium joint of high mechanical strength, including copper pipe(1)And aluminum pipe(2), characterized in that the copper pipe(1)End
Equipped with first connecting portion(11), first connecting portion(11)For the L-shaped structure being laterally arranged, aluminum pipe(2)End is equipped with the second connection
Portion(21), second connecting portion(21)For the L-shaped structure being laterally arranged, first connecting portion(11), second connecting portion(21)It is opposite to set
It sets, first connecting portion(11), second connecting portion(21)Form rectangular configuration, first connecting portion(11)With second connecting portion(21)It is right
The contact surface answered is equipped with mutually matched detent mechanism, first connecting portion(11), second connecting portion(21)Between resistance spot welding
Connection.
2. a kind of copper-aluminium joint of high mechanical strength according to claim 1, characterized in that the location structure includes phase
First connecting portion is arranged in the first rectangular channel, the first rectangular block of cooperation, the first rectangular channel(11)Lateral surface on, the first rectangular block
It is correspondingly arranged second connecting portion(21)Medial surface on.
3. a kind of copper-aluminium joint of high mechanical strength according to claim 2, characterized in that the location structure includes phase
First connecting portion is arranged in first semi-spherical grooves of cooperation, the first hemispherical block, the first semi-spherical grooves(11)Lateral surface on, first
Hemispherical block is correspondingly arranged second connecting portion(21)Medial surface on.
4. a kind of copper-aluminium joint of high mechanical strength according to claim 2 or 3, characterized in that the first connecting portion
(11)Outer diameter be more than copper pipe(1)Outer diameter.
5. a kind of copper-aluminium joint of high mechanical strength according to claim 2 or 3, characterized in that the second connecting portion
(21)Outer diameter be more than aluminum pipe(2)Outer diameter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810523113.8A CN108506603A (en) | 2018-05-28 | 2018-05-28 | A kind of copper-aluminium joint of high mechanical strength |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810523113.8A CN108506603A (en) | 2018-05-28 | 2018-05-28 | A kind of copper-aluminium joint of high mechanical strength |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108506603A true CN108506603A (en) | 2018-09-07 |
Family
ID=63401547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810523113.8A Withdrawn CN108506603A (en) | 2018-05-28 | 2018-05-28 | A kind of copper-aluminium joint of high mechanical strength |
Country Status (1)
Country | Link |
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CN (1) | CN108506603A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202274200U (en) * | 2011-08-31 | 2012-06-13 | 常州市众用汽车部件有限公司 | Copper-aluminium composited air-conditioning tube |
CN203704749U (en) * | 2014-01-20 | 2014-07-09 | 江西布兰森热传输新材有限公司 | Air conditioner internal thread aluminum welding pipe |
CN204226871U (en) * | 2014-11-13 | 2015-03-25 | 林海梅 | Antifouling PE pipe |
CN205896437U (en) * | 2016-07-21 | 2017-01-18 | 中山中舟海洋科技有限公司 | Anticorrosive shock attenuation steel pipe of joint formula that facilitates use |
CN206329850U (en) * | 2016-12-29 | 2017-07-14 | 浙江全球管业有限公司 | Hdpe pipe |
-
2018
- 2018-05-28 CN CN201810523113.8A patent/CN108506603A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202274200U (en) * | 2011-08-31 | 2012-06-13 | 常州市众用汽车部件有限公司 | Copper-aluminium composited air-conditioning tube |
CN203704749U (en) * | 2014-01-20 | 2014-07-09 | 江西布兰森热传输新材有限公司 | Air conditioner internal thread aluminum welding pipe |
CN204226871U (en) * | 2014-11-13 | 2015-03-25 | 林海梅 | Antifouling PE pipe |
CN205896437U (en) * | 2016-07-21 | 2017-01-18 | 中山中舟海洋科技有限公司 | Anticorrosive shock attenuation steel pipe of joint formula that facilitates use |
CN206329850U (en) * | 2016-12-29 | 2017-07-14 | 浙江全球管业有限公司 | Hdpe pipe |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180907 |
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WW01 | Invention patent application withdrawn after publication |