CN208204243U - The corrosion-resistant Cu-Al connecting pipe of idle call - Google Patents
The corrosion-resistant Cu-Al connecting pipe of idle call Download PDFInfo
- Publication number
- CN208204243U CN208204243U CN201820500871.3U CN201820500871U CN208204243U CN 208204243 U CN208204243 U CN 208204243U CN 201820500871 U CN201820500871 U CN 201820500871U CN 208204243 U CN208204243 U CN 208204243U
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- Prior art keywords
- pipe
- aluminum pipe
- copper pipe
- sealing ring
- wall
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Abstract
The utility model belongs to air conditioner parts technical field, more particularly to the corrosion-resistant Cu-Al connecting pipe of idle call, the corrosion-resistant Cu-Al connecting pipe of idle call, including copper pipe, aluminum pipe, one end of described copper pipe one end and aluminum pipe is welded to connect, copper pipe, aluminum pipe joint is equipped with sealing ring, copper pipe, the tube wall of aluminum pipe joint is equipped with rough tooth line, sealing ring inner peripheral surface is equipped with the inner tooth thread coincideing with tooth line structure, heat-shrink tube is arranged outside sealing ring, pyrocondensation length of tube is greater than sealing ring length, joint fitting is tight, with preferable corrosion resistance, with longer service life.
Description
Technical field
The utility model belongs to air conditioner parts technical field, and in particular to the corrosion-resistant Cu-Al connecting pipe of idle call.
Background technique
Air-conditioning is most effective equipment in cooling in summer, is the household electrical appliances of every household indispensability, hollow in air-conditioning installation process
Adjusting connecting tube is critically important component, and air conditioner connecting pipe connects the pipe fitting of air conditioner room unit and outdoor unit.
In order to reduce cost, the Cu-Al connecting pipe that air conditioner connecting pipe is generally copper pipe, aluminum pipe is constituted, due to Cu-Al connecting pipe
Use environment it is severe, junction is easy to be corroded, for ensure service life of equipment purpose, in connecting for Cu-Al connecting pipe
Place's set the preceding paragraph heat-shrink tube is to play the effect for preventing corrosion, but often in actual operation, heat-shrink tube is not for various reasons
It can be closely adhered on the outer wall of copper aluminium junction, cause Cu-Al connecting pipe to be still corroded, copper pipe, the aluminium of Cu-Al connecting pipe
The leakproofness patch difference of pipe joint is the main reason for causing Cu-Al connecting pipe to be corroded, the structure of existing Cu-Al connecting pipe without
Method meets requirement for anticorrosion.
Utility model content
Technical problem to be solved in the utility model is in view of the foregoing drawbacks, to provide idle call corrosion-resistant copper aluminium connection
Pipe, joint fitting is tight, has preferable corrosion resistance, has longer service life.
The utility model solve its technical problem the technical solution adopted is as follows:
One end of the corrosion-resistant Cu-Al connecting pipe of idle call, including copper pipe, aluminum pipe, described copper pipe one end and aluminum pipe, which is welded, to be connected
Connect, copper pipe, aluminum pipe joint be equipped with sealing ring, copper pipe, aluminum pipe joint tube wall be equipped with rough tooth line, sealing
Ring inner peripheral surface is equipped with the inner tooth thread coincideing with tooth line structure, and heat-shrink tube is arranged outside sealing ring, and pyrocondensation length of tube is greater than sealing ring
Length.
Further, the copper pipe is equipped with close to the end of aluminum pipe and extends to embedded division inside aluminum pipe, embedded division with
Copper pipe tube body is by the gradually smaller tapered portion transition of caliber, and the aluminum pipe is equipped with close to the inner wall of end of copper pipe and tapered portion
The connection conical surface of outer wall construction cooperation, the connection conical surface and tapered portion outer wall weld, copper pipe outer tube diameter, aluminum pipe outer tube diameter one
It causes, joint is on same periphery after copper pipe, aluminum pipe connection, the aluminum pipe inner wall welding or viscous of embedded division outer wall and corresponding position
It connects.
Further, the tooth line is the external screw thread that copper pipe, aluminum pipe joint is arranged in, and the inner tooth thread is setting
In the internal screw thread with external screw thread cooperation of sealing ring inner wall.
Further, sealing ring inner wall and copper pipe, aluminum pipe junction coat sealant.
Further, the embedded division front end is equipped with the transition slope to aluminum pipe interior walls be smooth transition.
Further, the copper pipe, the wall thickness of aluminum pipe are consistent.
The beneficial effects of the utility model are: using the above scheme, the weld good airproof performance of Cu-Al connecting pipe, sealing ring
It improves and effectively increases connection in external further gluing, sealing with the laminating degree at copper pipe, Al pipe butt welding, heat-shrink tube
The corrosion resistance of pipe, prolongs the 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 a kind of cross section structure schematic diagram of embodiment of the utility model.
Fig. 2 is the cross section structure schematic diagram of sealing ring and tube body junction in the utility model.
Wherein: 1 is copper pipe, and 11 be embedded division, and 12 be tapered portion, and 111 be transition slope, and 2 be aluminum pipe, and 21 be the connection conical surface,
3 be sealing ring, and 31 be inner tooth thread, and 32 be slope, and 4 be tooth line, and 5 be sealant, and 6 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, the corrosion-resistant Cu-Al connecting pipe of idle call, including the consistent copper pipe of caliber, wall thickness
1, aluminum pipe 2, copper pipe 1 are equipped with the embedded division 11 extended to inside aluminum pipe 2, embedded division 1 and 1 tube body of copper pipe close to the end of aluminum pipe 2
By gradually smaller 12 transition of tapered portion of caliber, aluminum pipe 2 is equipped with and 12 outer wall construction of tapered portion close to the inner wall of end of copper pipe 1
The outside wall surface of the connection conical surface 21 of cooperation, the connection conical surface 21 and tapered portion 12 is welded, and joint is in after copper pipe 1, the connection of aluminum pipe 2
On same periphery, the inner wall of the aluminum pipe 2 of the outer wall and corresponding position of embedded division 11 is welded, and copper pipe 1, the joint face of aluminum pipe 2 are big, pole
Big enhances bonding strength, improves and be effectively ensured the leakproofness of junction, and copper pipe 1,2 joint outer cover of aluminum pipe are equipped with close
Seal ring 3, copper pipe 1,2 joint of aluminum pipe tube wall be equipped with spiral helicine tooth line 4, the inner peripheral surface of sealing ring 3 is equipped with and tooth line 4
The identical inner tooth thread 31 of structure, inner tooth thread 31,4 occlusal surface of tooth line are coated with sealant 5, and the setting of tooth line 4, inner tooth thread 31 mentions
To the leakproofness at this and the laminating degree between sealing ring 3 and copper pipe, aluminum pipe, sealant 5 further increases high sealing ring 3
Leakproofness, the outside of sealing ring 3 are arranged heat-shrink tube 6, and the length of heat-shrink tube 6 is greater than the length of sealing ring 3, the both ends of heat-shrink tube 6
Extend respectively to copper pipe tube wall, on aluminum pipe tube wall, the end of sealing ring 3 is to seamlessly transit to copper pipe, aluminum pipe tube wall
Slope 32, be bonded sealing ring with heat-shrink tube closer, adequately guarantee joint leakproofness, stickiness, effectively
Raising Cu-Al connecting pipe corrosion resistance, greatly extend service life.
Embodiment 2: referring to Fig.1, Fig. 2, the corrosion-resistant Cu-Al connecting pipe of idle call, including the consistent copper pipe of caliber, wall thickness
1, aluminum pipe 2, copper pipe 1 are equipped with the embedded division 11 extended to inside aluminum pipe 2, embedded division 1 and 1 tube body of copper pipe close to the end of aluminum pipe 2
By gradually smaller 12 transition of tapered portion of caliber, aluminum pipe 2 is equipped with and 12 outer wall construction of tapered portion close to the inner wall of end of copper pipe 1
The outside wall surface of the connection conical surface 21 of cooperation, the connection conical surface 21 and tapered portion 12 is welded, and joint is in after copper pipe 1, the connection of aluminum pipe 2
On same periphery, the inner wall of the aluminum pipe 2 of the outer wall and corresponding position of embedded division 11 is Nian Jie by High-strength glue, copper pipe 1, aluminum pipe
2 joint face is big, greatly enhances bonding strength, improves and be effectively ensured the leakproofness of junction, the front end of embedded division 11
Equipped with the transition slope 111 to 2 interior walls be smooth transition of aluminum pipe, the setting of transition slope 111 is avoided in the front end and aluminum pipe of embedded division 11
Radial abutted surface is generated between wall, is reduced flow resistance of the refrigerant in pipe, is consistent the pressure of refrigerant throughout in pipe,
The stationarity for improving refrigerant flowing promotes to improve refrigeration effect, and copper pipe 1,2 joint outer cover of aluminum pipe are equipped with sealing ring 3, copper pipe
1, the tube wall of 2 joint of aluminum pipe is equipped with spiral helicine tooth line 4, and the inner peripheral surface of sealing ring 3 is equipped with to coincide with 4 structure of tooth line
Inner tooth thread 31, inner tooth thread 31,4 occlusal surface of tooth line are coated with sealant 5, and the setting of tooth line 4, inner tooth thread 31 improves sealing ring
3 pairs of leakproofness and the laminating degree between sealing ring 3 and copper pipe, aluminum pipe, sealant 5 at this further increase leakproofness, seal
The outside of ring 3 is arranged heat-shrink tube 6, and the length of heat-shrink tube 6 is greater than the length of sealing ring 3, and the both ends of heat-shrink tube 6 extend respectively to copper
On pipe tube wall, aluminum pipe tube wall.
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 (6)
1. the corrosion-resistant Cu-Al connecting pipe of idle call, including copper pipe, aluminum pipe, which is characterized in that described copper pipe one end and aluminum pipe
One end be welded to connect, copper pipe, aluminum pipe joint be equipped with sealing ring, copper pipe, aluminum pipe joint tube wall be equipped with it is uneven
Tooth line, sealing ring inner peripheral surface is equipped with the inner tooth thread coincideing with tooth line structure, is arranged heat-shrink tube, pyrocondensation length of tube outside sealing ring
Greater than sealing ring length.
2. the corrosion-resistant Cu-Al connecting pipe of idle call according to claim 1, which is characterized in that the copper pipe is close to aluminum pipe
End be equipped with and extend to embedded division inside aluminum pipe, embedded division and copper pipe tube body pass through the gradually smaller tapered portion mistake of caliber
Cross, the aluminum pipe is equipped with the connection conical surface that cooperate with tapered portion outer wall construction close to the inner wall of end of copper pipe, connect the conical surface and
The welding of tapered portion outer wall, copper pipe outer tube diameter, aluminum pipe outer tube diameter are consistent, and joint is in same circle after copper pipe, aluminum pipe connection
On circumferential surface, the aluminum pipe inner wall welding or Nian Jie of embedded division outer wall and corresponding position.
3. the corrosion-resistant Cu-Al connecting pipe of idle call according to claim 1, which is characterized in that the tooth line is that setting exists
Copper pipe, aluminum pipe joint external screw thread, the inner tooth thread is the internal screw thread with external screw thread cooperation for being arranged in sealing ring inner wall.
4. the corrosion-resistant Cu-Al connecting pipe of idle call according to claim 1, which is characterized in that sealing ring inner wall and copper pipe,
Aluminum pipe junction coats sealant.
5. the corrosion-resistant Cu-Al connecting pipe of idle call according to claim 2, which is characterized in that the embedded division front end is set
The transition slope of oriented aluminum pipe interior walls be smooth transition.
6. the corrosion-resistant Cu-Al connecting pipe of idle call according to claim 1, which is characterized in that the copper pipe, aluminum pipe
Wall thickness is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820500871.3U CN208204243U (en) | 2018-04-10 | 2018-04-10 | The corrosion-resistant Cu-Al connecting pipe of idle call |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820500871.3U CN208204243U (en) | 2018-04-10 | 2018-04-10 | The corrosion-resistant Cu-Al connecting pipe of idle call |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208204243U true CN208204243U (en) | 2018-12-07 |
Family
ID=64526865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820500871.3U Expired - Fee Related CN208204243U (en) | 2018-04-10 | 2018-04-10 | The corrosion-resistant Cu-Al connecting pipe of idle call |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208204243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299620A (en) * | 2019-07-22 | 2019-10-01 | 山东厚俞实业有限公司 | A kind of copper aluminium splicing sleeve |
-
2018
- 2018-04-10 CN CN201820500871.3U patent/CN208204243U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110299620A (en) * | 2019-07-22 | 2019-10-01 | 山东厚俞实业有限公司 | A kind of copper aluminium splicing sleeve |
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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: 20181207 Termination date: 20210410 |