CN208951459U - Refrigeration system copper-aluminium joint - Google Patents
Refrigeration system copper-aluminium joint Download PDFInfo
- Publication number
- CN208951459U CN208951459U CN201821227073.4U CN201821227073U CN208951459U CN 208951459 U CN208951459 U CN 208951459U CN 201821227073 U CN201821227073 U CN 201821227073U CN 208951459 U CN208951459 U CN 208951459U
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- Prior art keywords
- copper
- aluminium joint
- pipe
- aluminium
- refrigeration system
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Abstract
The utility model belongs to the connecting tube technical field of refrigeration system, more particularly to refrigeration system copper-aluminium joint, including the copper sleeve being connect with copper pipe end, the aluminium joint being connect with aluminum pipe end, copper sleeve is equipped with the tapered portion inside insertion aluminium joint close to one end of aluminium joint, the other end of copper sleeve is equipped with the copper pipe connecting cavity connecting with copper pipe, aluminium joint is equipped with the conical cavity cooperated with tapered portion close to one end of copper sleeve, the other end of aluminium joint is equipped with the aluminum pipe connecting cavity connecting with aluminum pipe, the outer wall of tapered portion is equipped with external screw thread, the inner wall of conical cavity is equipped with the internal screw thread cooperated with external screw thread, welding wire is equipped in externally threaded alveolus, copper sleeve, aluminium joint is threadedly coupled while welding, copper sleeve, the joint outer wall of aluminium joint is arranged reinforced pipe, greatly improve copper pipe, the efficiency of aluminum pipe connection, reliability.
Description
Technical field
The utility model belongs to the connecting tube technical field of refrigeration system, and in particular to refrigeration system copper-aluminium joint.
Background technique
Medium circulation pipeline in refrigeration system is very important component, and existing connecting line is generally copper pipe, aluminium
Pipe, the mixed cost that can be reduced production and use of copper pipe, aluminum pipe.Due to the pipe fitting of two kinds of metallics, in use, in order to meet
The demand of refrigerant circulation, many places need for copper pipe, aluminum pipe to be attached, and are allowed to form the circulation pipe of the closure of circulating refrigerant
Road.
Existing copper pipe, aluminum pipe connection type be directly to be welded at the scene to copper pipe, aluminum pipe, such as in air-conditioning
In installation, copper pipe, aluminum pipe directly to be welded, the quality of welding is easy to be influenced by external factor such as environment, temperature, and
And directly weld copper pipe, be easy to produce potential difference between aluminum pipe, cause electrochemical corrosion, so as to cause weld leakage, greatly
Influence refrigeration system normal operation, and the joint efficiency of existing connection type is extremely low.
Utility model content
Technical problem to be solved in the utility model is in view of the foregoing drawbacks, to provide refrigeration system copper-aluminium joint, pole
Big efficiency, the reliability for improving copper pipe, aluminum pipe connection.
The utility model solve its technical problem the technical solution adopted is as follows:
Refrigeration system copper-aluminium joint, including the copper sleeve connecting with copper pipe end, the aluminium joint connecting with aluminum pipe end, copper is connect
One end of the nearly aluminium joint of head rest is equipped with the tapered portion inside insertion aluminium joint, and the other end of copper sleeve is equipped with the copper connecting with copper pipe
Pipe connecting cavity, aluminium joint are equipped with the conical cavity that cooperate with tapered portion close to one end of copper sleeve, the other end of aluminium joint equipped with
The aluminum pipe connecting cavity of aluminum pipe connection, the outer wall of tapered portion are equipped with external screw thread, the inner wall of conical cavity be equipped with in external screw thread cooperation
Screw thread is equipped with welding wire in externally threaded alveolus, copper sleeve, aluminium joint are threadedly coupled while welding, and copper sleeve, aluminium joint connect
Place's outer wall is arranged reinforced pipe.
Further, the copper sleeve, the outer diameter of aluminium joint are consistent.
Further, the length of the tapered portion is the 1/4-1/3 of the length of copper sleeve.
Further, copper pipe connecting cavity and copper pipe weld.
Further, aluminum pipe connecting cavity and Al pipe butt welding.
Further, the reinforcement inside pipe wall is Nian Jie with copper sleeve, aluminium joint outer wall.
Further, the outer cover of refrigeration system copper-aluminium joint is equipped with heat-shrink tube, and the length of heat-shrink tube is greater than refrigeration system
System uses copper-aluminium joint.
The beneficial effects of the utility model are: using the above scheme, the copper sleeve connecting copper pipe, aluminium joint of this copper-aluminium joint
Aluminum pipe is connected, the difficulty of welding greatly reduces, the reliability of copper pipe, the joint efficiency of aluminum pipe and connection is greatly improved,
And reduce because welding quality it is bad caused by etching problem, have longer service life.
Detailed description of the invention
Through the following detailed description taken in conjunction with the accompanying drawings, the utility model objects, features and advantages above-mentioned and other will
It becomes apparent.
Fig. 1 is the cross section structure signal that copper sleeve, aluminium joint are under connection status in a kind of embodiment of the utility model
Figure.
Fig. 2 is the enlarged diagram in the portion I in Fig. 1.
Wherein: 1 is copper sleeve, and 11 be tapered portion, and 111 be external screw thread, and 12 be copper pipe connecting cavity, and 2 be aluminium joint, and 21 be cone
Shape chamber, 211 be internal screw thread, and 22 be aluminum pipe connecting cavity, and 3 be welding wire, and 4 be reinforced pipe, and 5 be heat-shrink tube.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
Embodiment 1: referring to Fig.1, Fig. 2, refrigeration system copper-aluminium joint, including the copper sleeve 1 being connect with copper pipe end and aluminium
The aluminium joint 2 of pipe end connection, copper sleeve 1 are equipped with the tapered portion 11 inside insertion aluminium joint 2 close to one end of aluminium joint 2, and copper connects
First 1 other end is equipped with the copper pipe connecting cavity 12 connecting with copper pipe, and aluminium joint 2 is equipped with close to one end of copper sleeve 1 and tapered portion
The conical cavity 21 of 11 cooperations, the other end of aluminium joint 2 are equipped with the aluminum pipe connecting cavity 22 connecting with aluminum pipe, and the outer wall of tapered portion 11 is set
There is external screw thread 111, the inner wall of conical cavity 21 is equipped with the internal screw thread 211 cooperated with external screw thread 111, sets in the alveolus of external screw thread 111
There is welding wire 3, welding wire 3, which is arranged in, is more advantageous to the flowing after welding wire melts in externally threaded alveolus, weld to threaded connection place
It connects, improve soldering reliability and improves leakproofness, being threadedly engaged, welding at copper pipe cone structure can effectively realize copper
Being reliably connected between connector, aluminium joint, cone match, the conical surface are threadedly engaged, copper sleeve, aluminium joint joint leakproofness more
It is good, avoid connector from leaking, copper sleeve 1, the outer diameter of aluminium joint 2 are consistent, and convenient for cooperation, the outer tube wall of joint is arranged with reinforced pipe
4, reinforced pipe 4 preferably uses the hose of high molecular material, and convenient for cooperation, caliber is consistent, promotes to improve the leakproofness of fitting,
It is bonded in joint by sealant, is sealed at this, avoids corroding, promotes the service life for extending this connector, this copper
Aluminium joint can produce under controllable, preferable environment, and the bonding strength of copper-aluminium joint, sealing performance access effective guarantor
Card, in use, the copper pipe connecting cavity 12 of copper pipe and copper sleeve 1 is welded, the aluminum pipe connecting cavity 22 of aluminum pipe and aluminium joint 2 is welded, copper
Welding between material promotes the influence of the difficulty and environmental factor welding quality when reducing pipeline welding, improves and be welded to connect
Intensity, reliability, reduce because weld it is bad caused by potential corrosion odds, greatly improve refrigeration equipment
The efficiency of pipeline welding, the reliability that copper pipe is welded with copper sleeve, aluminum pipe and aluminium joint weld is higher, slows down, eliminates potential difference
Bring electrochemical corrosion, the reliable in quality of connecting copper pipe, aluminum pipe, service performance are stablized, and the length of tapered portion 11 is copper sleeve 1
Length 1/4, guarantee reliable connectivity, while this copper-aluminium joint being made to keep preferable structural strength, meet refrigeration system
In use demand, avoid leakage damage, the outside of copper pipe joint be arranged length greater than copper sleeve, aluminium joint length summation heat
The draw 5, after welding, heat-shrink tube carry out outside seal protection, further increase corrosion resistant ability, prolong the service life.
Embodiment 2: referring to Fig.1, Fig. 2, refrigeration system copper-aluminium joint, including the copper sleeve 1 being connect with copper pipe end and aluminium
The aluminium joint 2 of pipe end connection, copper sleeve 1 are equipped with the tapered portion 11 inside insertion aluminium joint 2 close to one end of aluminium joint 2, and copper connects
First 1 other end is equipped with the copper pipe connecting cavity 12 connecting with copper pipe, and aluminium joint 2 is equipped with close to one end of copper sleeve 1 and tapered portion
The conical cavity 21 of 11 cooperations, the other end of aluminium joint 2 are equipped with the aluminum pipe connecting cavity 22 connecting with aluminum pipe, and the outer wall of tapered portion 11 is set
There is external screw thread 111, the inner wall of conical cavity 21 is equipped with the internal screw thread 211 cooperated with external screw thread 111, sets in the alveolus of external screw thread 111
There is welding wire 3, welding wire 3, which is arranged in, is more advantageous to the flowing after welding wire melts in externally threaded alveolus, weld to threaded connection place
It connects, improve soldering reliability and improves leakproofness, being threadedly engaged, welding at copper pipe cone structure can effectively realize copper
Being reliably connected between connector, aluminium joint, cone match, the conical surface are threadedly engaged, copper sleeve, aluminium joint joint leakproofness more
It is good, avoid connector from leaking, copper sleeve 1, the outer diameter of aluminium joint 2 are consistent, and convenient for cooperation, the outer tube wall of joint is arranged with reinforced pipe
4, reinforced pipe 4 preferably uses the hose of high molecular material, and convenient for cooperation, caliber is consistent, promotes to improve the leakproofness of fitting,
It is bonded in joint by sealant, is sealed at this, avoids corroding, promotes the service life for extending this connector, this copper
Aluminium joint can produce under controllable, preferable environment, and the bonding strength of copper-aluminium joint, sealing performance access effective guarantor
Card, in use, the copper pipe connecting cavity 12 of copper pipe and copper sleeve 1 is welded, the aluminum pipe connecting cavity 22 of aluminum pipe and aluminium joint 2 is welded, copper
Welding between material promotes the influence of the difficulty and environmental factor welding quality when reducing pipeline welding, improves and be welded to connect
Intensity, reliability, reduce because weld it is bad caused by potential corrosion odds, greatly improve refrigeration equipment
The efficiency of pipeline welding, the reliability that copper pipe is welded with copper sleeve, aluminum pipe and aluminium joint weld is higher, slows down, eliminates potential difference
Bring electrochemical corrosion, the reliable in quality of connecting copper pipe, aluminum pipe, service performance are stablized, and the length of tapered portion 11 is copper sleeve 1
Length 1/3, guarantee reliable connectivity, while this copper-aluminium joint being made to keep preferable structural strength, meet refrigeration system
In use demand, avoid leakage damage.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
System, it is all according to any simple modification to the above embodiments in the technical essence of the utility model, equivalent variations, fall
Enter within the protection scope of the utility model.
Claims (7)
1. refrigeration system copper-aluminium joint, which is characterized in that including the copper sleeve being connect with copper pipe end, the aluminium being connect with aluminum pipe end
Connector, copper sleeve are equipped with the tapered portion inside insertion aluminium joint close to one end of aluminium joint, and the other end of copper sleeve is equipped with and copper
The copper pipe connecting cavity of pipe connection, aluminium joint are equipped with the conical cavity that cooperates with tapered portion close to one end of copper sleeve, aluminium joint it is another
One end is equipped with the aluminum pipe connecting cavity connecting with aluminum pipe, and the outer wall of tapered portion is equipped with external screw thread, and the inner wall of conical cavity is equipped with and outer spiral shell
The internal screw thread of line cooperation, externally threaded alveolus is interior to be equipped with welding wire, and copper sleeve, aluminium joint are threadedly coupled while welding, copper sleeve, aluminium
The joint outer wall of connector is arranged reinforced pipe.
2. refrigeration system copper-aluminium joint according to claim 1, which is characterized in that the copper sleeve, aluminium joint
Outer diameter is consistent.
3. refrigeration system copper-aluminium joint according to claim 1, which is characterized in that the length of the tapered portion is copper
The 1/4-1/3 of the length of connector.
4. refrigeration system copper-aluminium joint according to claim 1, which is characterized in that copper pipe connecting cavity and copper pipe weld.
5. refrigeration system copper-aluminium joint according to claim 1, which is characterized in that aluminum pipe connecting cavity and Al pipe butt welding.
6. refrigeration system copper-aluminium joint according to claim 1, which is characterized in that the reinforcement inside pipe wall connects with copper
Head, aluminium joint outer wall bonding.
7. refrigeration system copper-aluminium joint according to claim 1, which is characterized in that outside refrigeration system copper-aluminium joint
Portion is arranged with heat-shrink tube, and the length of heat-shrink tube is greater than refrigeration system copper-aluminium joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821227073.4U CN208951459U (en) | 2018-07-31 | 2018-07-31 | Refrigeration system copper-aluminium joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821227073.4U CN208951459U (en) | 2018-07-31 | 2018-07-31 | Refrigeration system copper-aluminium joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208951459U true CN208951459U (en) | 2019-06-07 |
Family
ID=66732875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821227073.4U Expired - Fee Related CN208951459U (en) | 2018-07-31 | 2018-07-31 | Refrigeration system copper-aluminium joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208951459U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429396A (en) * | 2019-07-18 | 2019-11-08 | 上海亚大复合金属有限公司 | A kind of compound copper aluminum composite material in continuous side and its manufacturing method |
-
2018
- 2018-07-31 CN CN201821227073.4U patent/CN208951459U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110429396A (en) * | 2019-07-18 | 2019-11-08 | 上海亚大复合金属有限公司 | A kind of compound copper aluminum composite material in continuous side and its manufacturing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190607 Termination date: 20200731 |