CN203477660U - Connecting pipe of air conditioner - Google Patents
Connecting pipe of air conditioner Download PDFInfo
- Publication number
- CN203477660U CN203477660U CN201320457491.3U CN201320457491U CN203477660U CN 203477660 U CN203477660 U CN 203477660U CN 201320457491 U CN201320457491 U CN 201320457491U CN 203477660 U CN203477660 U CN 203477660U
- Authority
- CN
- China
- Prior art keywords
- pipe
- inner sleeve
- aluminum pipe
- aluminum
- copper
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to a connecting pipe of an air conditioner. The connecting pipe comprises a copper pipe, an aluminum pipe and a thermal-insulation casing pipe, wherein two ends of the aluminum pipe are fixedly welded with the copper pipe respectively, the copper pipe and the aluminum pipe are sleeved with the thermal-insulation casing pipe respectively, the aluminum pipe is a corrugated pipe and sleeved with an inner casing pipe, the inner casing pipe is sleeved with a spiral spring, a joint is arranged in a position where the copper pipe and the aluminum pipe are welded, the joint comprises an outer sleeve and an inner sleeve, one end of the inner sleeve is connected with the copper pipe in a sealing manner, and the pipe wall of one end of the aluminum pipe is clamped between the inner sleeve and the outer sleeve. The connecting pipe has the advantages of being reliable in performance, not easy to break off and easy to recover after deformation.
Description
Technical field
The utility model relates to a kind of air conditioner connecting pipe.
Background technique
Air conditioner connecting pipe is the pipe connecting between air conditioner outdoor machine and indoor set, and its effect is mainly the passage of refrigerant circulation between indoor apparatus of air conditioner and outdoor unit.The air conditioner connecting pipe using at present, its structure is: comprise copper pipe, pipe joint, thermal insulation casing, pipe joint is arranged on the end of copper pipe, and thermal insulation casing is sleeved on the outside of copper pipe, is also set with protection spring on copper pipe.The air conditioner connecting pipe of this structure is by the protective action of protection spring, and in the assembly process of air conditioner, copper pipe is not easy flatly to fall, and has both facilitated the installation of connecting tube, has stopped again to decline because of the heat pump performance that connecting tube distortion causes.
Because above-mentioned copper pipe adopts red copper manufacture with, red copper has good corrosion resistance, but cost is higher, in order to reduce manufacture cost, some copper pipes adopt metal composite pipe to replace the stage casing body of air conditioner connecting pipe, effectively reduce copper consumption, save cost, as stage casing body adopts aluminum pipe, tube head adopts copper pipe, between aluminum pipe and copper pipe, adopts welding technique to be connected.But there is the situations such as solder skip, rosin joint in welding, causes coolant leakage unavoidably, and when that stage casing body is aging is also more inconvenient need to change time.In addition, its copper pipe hardness is larger, and in installation process, installation personnel is not noted, no matter be easily broken, and after distortion, is difficult to restore.
Summary of the invention
For above-mentioned technical problem, main purpose of the present utility model is for providing a kind of reliable performance, the difficult a kind of air conditioner connecting pipe that is fractureed and be out of shape rear easy recovery.
The technological scheme solving the problems of the technologies described above is as follows:
A kind of air conditioner connecting pipe, comprise copper pipe, aluminum pipe, thermal insulation casing, the two ends of aluminum pipe are welded and fixed with copper pipe respectively, and thermal insulation casing is set in the outside of copper pipe and aluminum pipe, and described aluminum pipe is bellows, on aluminum pipe, cover has inner sleeve, on inner sleeve, cover has a helical spring, at the weld of copper pipe and aluminum pipe, is provided with a joint, and described joint comprises overcoat and inner sleeve, described inner sleeve one end described copper pipe that is tightly connected, the end tube wall of described aluminum pipe is clamped between described overcoat and described inner sleeve.
Adopted such scheme, the stage casing of whole connecting tube is aluminum pipe, and two ends are copper pipe, and aluminum pipe is bellows, therefore, is in use difficult for being fractureed, and easily restores after distortion.On aluminum pipe, cover has inner sleeve, inside puts helical spring, by inner sleeve and spring, aluminum pipe is protected, and in assembly process, aluminum pipe is not easy flatly to fall, and has both facilitated the installation of connecting tube, has stopped again the heat pump performance decline causing because of connecting tube distortion.Adopt joint to connect copper pipe and the aluminum pipe of air conditioner connecting pipe, there is flexible operation, connect feature reliable, good seal performance, when aluminum pipe is aging need to change time, also can be disassembled very easily.
Further, the outer surface of described inner sleeve is comprised of conical surface and cylndrical surface, cylndrical surface is provided with screw thread, pressure pipe is positioned on the conical surface of inner sleeve and aluminum pipe is pushed down, the internal surface of described overcoat is comprised of conical surface section and cylinder section, cylinder section is provided with internal thread, the internal thread putting outward with in the outside thread that puts interconnect, the conical surface section putting is outward pushed down described pressure pipe.When rotary sleeve is threaded with inner sleeve, along with the displacement of overcoat, the conical surface section of overcoat is put with pressure pressure pipe, and pressure pipe presses to aluminum pipe like this, thereby aluminum pipe is clamped between overcoat and inner sleeve tightly.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
1 is copper pipe, and 2 is aluminum pipe, and 3 is pipe joint, and 4 is thermal insulation casing, and 6 is overcoat, and 5 is inner sleeve, and 7 is pressure pipe, and 8 is helical spring.
Embodiment
With reference to Fig. 1, a kind of air conditioner connecting pipe of the present utility model, comprises copper pipe 1, aluminum pipe 2, thermal insulation casing 4.The two ends of aluminum pipe 2 are welded and fixed with copper pipe 1 respectively, and thermal insulation casing 4 is set in the outside of copper pipe and aluminum pipe.Aluminum pipe 2 is bellows, and the wall thickness of aluminum pipe is 3-8mm, and preferably, the wall thickness of aluminum pipe is 5mm.On aluminum pipe, cover has inner sleeve 3, and on inner sleeve, cover has helical spring 8, and thermal insulation casing 4 is enclosed within the outer surface of helical spring 8.Weld at copper pipe and aluminum pipe is provided with a joint, and described joint comprises overcoat 6 and inner sleeve 5, described inner sleeve 5 one end described copper pipe 1 that is tightly connected, and the end tube wall of described aluminum pipe 2 is clamped between described overcoat 6 and described inner sleeve 5.The outer surface of described inner sleeve 5 is comprised of conical surface and cylndrical surface, and cylndrical surface is provided with screw thread, and pressure pipe 7 is positioned on the conical surface of inner sleeve and aluminum pipe is pushed down.The internal surface of described overcoat 5 is comprised of conical surface section and cylinder section, and cylinder section is provided with internal thread, the internal thread putting outward with in the outside thread that puts interconnect, the conical surface section putting is outward pushed down described pressure pipe 7.
Claims (3)
1. an air conditioner connecting pipe, comprise copper pipe, aluminum pipe, thermal insulation casing, the two ends of aluminum pipe are welded and fixed with copper pipe respectively, thermal insulation casing is set in the outside of copper pipe and aluminum pipe, it is characterized in that: described aluminum pipe is bellows, on aluminum pipe, cover has inner sleeve, on inner sleeve, cover has helical spring, weld at copper pipe and aluminum pipe is provided with a joint, described joint comprises overcoat and inner sleeve, described inner sleeve one end described copper pipe that is tightly connected, the end tube wall of described aluminum pipe is clamped between described overcoat and described inner sleeve.
2. a kind of air conditioner connecting pipe according to claim 1, it is characterized in that: the outer surface of described inner sleeve is comprised of conical surface and cylndrical surface, cylndrical surface is provided with screw thread, pressure pipe is positioned on the conical surface of inner sleeve and aluminum pipe is pushed down, the internal surface of described overcoat is comprised of conical surface section and cylinder section, cylinder section is provided with internal thread, the internal thread putting outward with in the outside thread that puts interconnect, the conical surface section putting is outward pushed down described pressure pipe.
3. a kind of air conditioner connecting pipe according to claim 1, is characterized in that: the wall thickness of described aluminum pipe is 3-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457491.3U CN203477660U (en) | 2013-07-29 | 2013-07-29 | Connecting pipe of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320457491.3U CN203477660U (en) | 2013-07-29 | 2013-07-29 | Connecting pipe of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477660U true CN203477660U (en) | 2014-03-12 |
Family
ID=50225991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320457491.3U Expired - Fee Related CN203477660U (en) | 2013-07-29 | 2013-07-29 | Connecting pipe of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477660U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455762A (en) * | 2014-11-28 | 2015-03-25 | 左铁军 | Combined copper aluminum tube and manufacturing method thereof |
-
2013
- 2013-07-29 CN CN201320457491.3U patent/CN203477660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104455762A (en) * | 2014-11-28 | 2015-03-25 | 左铁军 | Combined copper aluminum tube and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203477660U (en) | Connecting pipe of air conditioner | |
| CN103438301A (en) | Air conditioner connecting pipe structure | |
| CN104344110A (en) | Connecting pipe for air conditioner | |
| CN203533015U (en) | Air-conditioning connecting pipe structure | |
| CN204300573U (en) | A kind of bimetallic composite reducing crossover sub | |
| CN201526751U (en) | External thread connector of automobile air-conditioner pipe | |
| CN203533014U (en) | Connecting pipe structure of air-conditioner | |
| CN203322229U (en) | Oil cooler joint | |
| CN208859196U (en) | A kind of gas production elbow connection pipe | |
| CN203500753U (en) | Thin-wall and multi-layer U-shaped ripple volume compensator | |
| CN203479133U (en) | Protection device installed at connecting position of heat exchanging tube of heat exchanger and tube plate | |
| CN203223681U (en) | Connecting pipe for inner unit and outer unit of air conditioner | |
| CN204004887U (en) | Internal thread pressing type pipe fitting connecting piece | |
| CN202901620U (en) | Insulated hard tube | |
| CN203478457U (en) | Detachable connecting pipe for air conditioner | |
| CN103438517A (en) | Dismounting type connection pipe for air conditioner | |
| CN201621389U (en) | Metal corrugated pipe | |
| CN104373735A (en) | Steel pipeline compensator | |
| CN204313687U (en) | A kind of laterally outer half tubular construction of horizontal vessel | |
| CN103234091B (en) | Expansion joint with discharge pipe in hot air pipe ripples | |
| CN205560022U (en) | Spiral steel pipe | |
| CN204060883U (en) | Engine exhaust helical bellows | |
| CN217275717U (en) | Welding-free fixing structure of coaxial heat exchanger | |
| CN203443423U (en) | Improved structure of titanium coaxial sleeve heat exchanger | |
| CN203454478U (en) | Finned evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20150729 |
|
| EXPY | Termination of patent right or utility model |