CN205278607U - Copper aluminium connecting pipe solder joint protection architecture - Google Patents
Copper aluminium connecting pipe solder joint protection architecture Download PDFInfo
- Publication number
- CN205278607U CN205278607U CN201620060502.8U CN201620060502U CN205278607U CN 205278607 U CN205278607 U CN 205278607U CN 201620060502 U CN201620060502 U CN 201620060502U CN 205278607 U CN205278607 U CN 205278607U
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- Prior art keywords
- copper
- melt adhesive
- adhesive layer
- connecting pipe
- section
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 46
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 46
- 239000010949 copper Substances 0.000 title claims abstract description 46
- 239000004411 aluminium Substances 0.000 title claims abstract description 43
- 229910000679 solder Inorganic materials 0.000 title claims abstract description 27
- 238000003466 welding Methods 0.000 claims abstract description 50
- 239000004831 Hot glue Substances 0.000 claims abstract description 40
- 239000010410 layer Substances 0.000 claims abstract description 29
- 229910017767 Cu—Al Inorganic materials 0.000 claims description 32
- 230000007704 transition Effects 0.000 claims description 7
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- 229920000178 Acrylic resin Polymers 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000003973 paint Substances 0.000 description 4
- 238000010257 thawing Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a copper aluminium connecting pipe solder joint protection architecture, copper aluminium connecting pipe is including controlling first welded pipe and the second welded pipe of connecting, first welded pipe internal diameter is greater than second welded pipe external diameter, the junction of first welded pipe and second welded pipe forms copper and aluminium welding point through the welding, protection architecture includes that hot -melt adhesive layer and cover locate the outside stereoplasm opening sheath of hot -melt adhesive layer, hot -melt adhesive layer coats and extend one section distance outside the copper and aluminium welding point of copper aluminium connecting pipe and to the left and right sides of copper and aluminium welding point, stereoplasm opening sheath is along length direction by the left side section that connects gradually, the middle section is constituteed with right side section, left side section is the straight tube section with right side section, left side section diameter is greater than right side section diameter, the slope changeover portion of middle section for connecting left side section and right -hand member, hot -melt adhesive layer's shape is corresponding with stereoplasm opening sheath shape, stereoplasm opening sheath one side is equipped with an opening that extends along length direction. The utility model discloses the simple effectual protection that has realized copper and aluminium welding point, easy to carry out and with low costs.
Description
Technical field
The utility model relates to a kind of Cu-Al connecting pipe solder joint operator guards.
Background technology
Copper pipe, aluminum pipe have been applied generally in the vaporizer of refrigerator and the pipe connecting of air-conditioning, but the wet environment of these application scenarios alternating hot and cold often, owing to there is bigger potential difference between copper aluminium, the environment of humidity extremely easily occurs galvanic corrosion, and refrigerator, air conditioner piping connect time the copper and aluminium welding easy forced breakage of point.
The protection against corrosion design in region around copper and aluminium welding point, it it is the key affecting refrigerator, air-conditioning product reliability level, protection against corrosion for region around copper and aluminium welding point designs, usually adopt electrostatic plastic spraying, paint baking at present or it is coated with the method for sharp paint in conjunction with PE heat-shrink tube, but the general manufacturability of these methods is poor, the defect of " paint film drain spray " easily occurs; And the phenomenon that there is poor reliability, easily occur paint film to seep water, in addition, also generally there is the defect that efficiency is low, cost is high in these methods.
Practical novel content
The purpose of this utility model is to overcome the deficiencies in the prior art, it provides a kind of Cu-Al connecting pipe solder joint operator guards.
The utility model is achieved through the following technical solutions:
A kind of Cu-Al connecting pipe solder joint operator guards, described Cu-Al connecting pipe comprises the first welded tube and the 2nd welded tube that left and right connects, described first welded tube internal diameter is greater than described 2nd welded tube external diameter, the junction of described first welded tube and the 2nd welded tube forms copper and aluminium welding point by welding, described operator guards comprises hot melt adhesive layer and is sheathed on the hard opening sheath of described hot melt adhesive layer outside, the copper and aluminium welding point that described hot melt adhesive layer is coated on described Cu-Al connecting pipe and extends a segment distance to the left and right sides of described copper and aluminium welding point outward, described hard opening sheath is along its length by left section connected successively, stage casing and right section of composition, described left section and right section is straight length, described left section of diameter is greater than right section of diameter, described stage casing is the angled transition section connecting left section and right-hand member, the shape of described hot melt adhesive layer is corresponding with described hard opening sheath shape, described hard opening sheath side is provided with an opening extended along its length.
As the preferred implementation of above-mentioned a kind of Cu-Al connecting pipe solder joint operator guards, described hot melt adhesive layer thickness is even.
As the preferred implementation of above-mentioned a kind of Cu-Al connecting pipe solder joint operator guards, described hot melt adhesive layer is EVA hot-melt adhesive layer.
As the preferred implementation of above-mentioned a kind of Cu-Al connecting pipe solder joint operator guards, described hard opening sheath is arrowband class acrylic resin sleeve pipe.
A kind of Cu-Al connecting pipe solder joint protection technique, comprises the steps:
(1) protect object is chosen: choose the first welded tube and the 2nd welded tube that need welding, described first welded tube internal diameter is greater than described 2nd welded tube external diameter, described first welded tube forms copper and aluminium welding point with the junction of the 2nd welded tube by welding, using described copper and aluminium welding point as protect object;
(2) coating hot-melt adhesive: inserted by hot melt rubber stick in thermosol gelgun, makes hot melt rubber stick be heated thawing thermosol gelgun energising, when hot melt rubber stick is heated to 150 DEG C-180 DEG C, the hot-melt that the muzzle of thermosol gelgun flows out is put on copper and aluminium welding point outside surface;
(3) make hard opening sheath: described hard opening sheath along its length by left section connected successively, stage casing and right section form, described left section and right section is straight length, described left section of diameter is greater than right section of diameter, described stage casing is the angled transition section connecting left section and right-hand member, and described hard opening sheath side is provided with an opening extended along its length;
(4) put hard opening sheath: be inserted in the left section of outer end from the 2nd welded tube of the hard opening sheath made to the left, complete to be inserted in action when the stage casing of described hard opening sheath is positioned at position corresponding to described copper and aluminium welding point.
Protect the preferred implementation of technique as above-mentioned a kind of Cu-Al connecting pipe solder joint, the hot melt adhesive layer thickness that described hot melt adhesive is formed is even.
Protect the preferred implementation of technique as above-mentioned a kind of Cu-Al connecting pipe solder joint, described hot melt adhesive is EVA hot-melt adhesive.
Protect the preferred implementation of technique as above-mentioned a kind of Cu-Al connecting pipe solder joint, described hard opening sheath is arrowband class acrylic resin sleeve pipe.
The utility model has the following advantages compared to existing technology:
1, a kind of Cu-Al connecting pipe solder joint operator guards that the utility model provides, it is at the solder joint outer surface hot melt adhesive layer of Cu-Al connecting pipe, it is possible to effectively blocks steam close to copper and aluminium welding point, cuts off the Production conditions of galvanic corrosion; Simultaneously hard opening sheath on cover outside hot melt adhesive layer, avoids copper and aluminium welding point by power, simple and effective achieves the protection to copper and aluminium welding point, be easy to implement and cost low.
2, a kind of Cu-Al connecting pipe solder joint operator guards that the utility model provides, utilizes the cementability of hot melt adhesive, the protective effect of hard opening sheath, effectively improves quality and the reliability level of the household appliances such as refrigerator, air-conditioning.
Accompanying drawing explanation
Fig. 1 is Cu-Al connecting pipe solder joint operator guards schematic diagram of the present utility model.
Number in the figure: 1 the 2nd welded tube; 2 first welded tubes; 3 hot melt adhesive layers; 4 hard opening sheaths, 41 openings.
Embodiment
Embodiment of the present utility model is done explanation in detail below; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed enforcement mode and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment one
See Fig. 1, a kind of Cu-Al connecting pipe solder joint operator guards that the present embodiment provides, Cu-Al connecting pipe comprises the first welded tube 2 and the 2nd welded tube 1 that left and right connects. when the first welded tube 2 is copper pipe, the 2nd welded tube 1 is aluminum pipe, when the first welded tube 2 is aluminum pipe, the 2nd welded tube 1 is copper pipe. first welded tube 2 internal diameter is greater than the 2nd welded tube 1 external diameter, the junction of the first welded tube 2 and the 2nd welded tube 1 forms copper and aluminium welding point by welding, operator guards comprises hot melt adhesive layer 3 and is sheathed on the hard opening sheath 4 of hot melt adhesive layer 3 outside, the copper and aluminium welding point that hot melt adhesive layer 3 is coated on Cu-Al connecting pipe and extends a segment distance to the left and right sides of copper and aluminium welding point outward, hard opening sheath 4 is along its length by left section connected successively, stage casing and right section of composition, left section and right section is straight length, left section of diameter is greater than right section of diameter, stage casing is the angled transition section connecting left section and right-hand member, the shape of hot melt adhesive layer 3 and hard opening sheath 4 shape should. hard opening sheath 4 side is provided with an opening extended along its length 41, arranges the Cu-Al connecting pipe that this opening 41 can adapt to certain limit interior diameter size, highly versatile in this hard opening sheath 4 side.
Wherein, hot melt adhesive layer 3 thickness is even, and hot melt adhesive layer 3 is EVA hot-melt adhesive layer 3, and hard opening sheath 4 is arrowband class acrylic resin sleeve pipe.
The present embodiment additionally provides a kind of Cu-Al connecting pipe solder joint protection technique, comprises the steps:
(1) protect object is chosen: choose the first welded tube 2 and the 2nd welded tube 1 that need welding, first welded tube 2 internal diameter is greater than the 2nd welded tube 1 external diameter, first welded tube 2 forms copper and aluminium welding point with the junction of the 2nd welded tube 1 by welding, using copper and aluminium welding point as protect object;
(2) coating hot-melt adhesive: inserted by hot melt rubber stick in thermosol gelgun, makes hot melt rubber stick be heated thawing thermosol gelgun energising, when hot melt rubber stick is heated to 150 DEG C, the hot-melt that the muzzle of thermosol gelgun flows out is put on copper and aluminium welding point outside surface;
(3) make hard opening sheath 4: hard opening sheath 4 along its length by left section connected successively, stage casing and right section form, left section and right section is straight length, left section of diameter is greater than right section of diameter, stage casing is the angled transition section connecting left section and right-hand member, and hard opening sheath 4 side is provided with an opening extended along its length 41;
(4) hard opening sheath 4 is put: be inserted in the left section of outer end from the 2nd welded tube 1 of the hard opening sheath 4 made to the left, complete to be inserted in action when the stage casing of hard opening sheath 4 is positioned at position corresponding to copper and aluminium welding point, it is inserted in hard opening sheath 4 and makes hot melt adhesive closely be wrapped in copper and aluminium welding point outside surface uniformly.
Embodiment two
A kind of Cu-Al connecting pipe solder joint operator guards that the present embodiment provides is with embodiment one.
A kind of Cu-Al connecting pipe solder joint protection technique that the present embodiment provides, comprises the steps:
(1) protect object is chosen: choose the first welded tube 2 and the 2nd welded tube 1 that need welding, first welded tube 2 internal diameter is greater than the 2nd welded tube 1 external diameter, first welded tube 2 forms copper and aluminium welding point with the junction of the 2nd welded tube 1 by welding, using copper and aluminium welding point as protect object;
(2) coating hot-melt adhesive: inserted by hot melt rubber stick in thermosol gelgun, makes hot melt rubber stick be heated thawing thermosol gelgun energising, when hot melt rubber stick is heated to 165 DEG C, the hot-melt that the muzzle of thermosol gelgun flows out is put on copper and aluminium welding point outside surface;
(3) make hard opening sheath 4: hard opening sheath 4 along its length by left section connected successively, stage casing and right section form, left section and right section is straight length, left section of diameter is greater than right section of diameter, stage casing is the angled transition section connecting left section and right-hand member, and hard opening sheath 4 side is provided with an opening extended along its length 41;
(4) hard opening sheath 4 is put: be inserted in the left section of outer end from the 2nd welded tube 1 of the hard opening sheath 4 made to the left, complete to be inserted in action when the stage casing of hard opening sheath 4 is positioned at position corresponding to copper and aluminium welding point, it is inserted in hard opening sheath 4 and makes hot melt adhesive closely be wrapped in copper and aluminium welding point outside surface uniformly.
Embodiment three
A kind of Cu-Al connecting pipe solder joint operator guards that the present embodiment provides is with embodiment one.
A kind of Cu-Al connecting pipe solder joint protection technique that the present embodiment provides, comprises the steps:
(1) protect object is chosen: choose the first welded tube 2 and the 2nd welded tube 1 that need welding, first welded tube 2 internal diameter is greater than the 2nd welded tube 1 external diameter, first welded tube 2 forms copper and aluminium welding point with the junction of the 2nd welded tube 1 by welding, using copper and aluminium welding point as protect object;
(2) coating hot-melt adhesive: inserted by hot melt rubber stick in thermosol gelgun, makes hot melt rubber stick be heated thawing thermosol gelgun energising, when hot melt rubber stick is heated to 180 DEG C, the hot-melt that the muzzle of thermosol gelgun flows out is put on copper and aluminium welding point outside surface;
(3) make hard opening sheath 4: hard opening sheath 4 along its length by left section connected successively, stage casing and right section form, left section and right section is straight length, left section of diameter is greater than right section of diameter, stage casing is the angled transition section connecting left section and right-hand member, and hard opening sheath 4 side is provided with an opening extended along its length 41;
(4) hard opening sheath 4 is put: be inserted in the left section of outer end from the 2nd welded tube 1 of the hard opening sheath 4 made to the left, complete to be inserted in action when the stage casing of hard opening sheath 4 is positioned at position corresponding to copper and aluminium welding point, it is inserted in hard opening sheath 4 and makes hot melt adhesive closely be wrapped in copper and aluminium welding point outside surface uniformly.
These are only better embodiment of the present utility model, not in order to limit the utility model, all any amendment, equivalent replacement and improvement etc. done within spirit of the present utility model and principle, all should be included within protection domain of the present utility model.
Claims (4)
1. a Cu-Al connecting pipe solder joint operator guards, described Cu-Al connecting pipe comprises the first welded tube and the 2nd welded tube that left and right connects, described first welded tube internal diameter is greater than described 2nd welded tube external diameter, the junction of described first welded tube and the 2nd welded tube forms copper and aluminium welding point by welding, it is characterized in that: described operator guards comprises hot melt adhesive layer and is sheathed on the hard opening sheath of described hot melt adhesive layer outside, the copper and aluminium welding point that described hot melt adhesive layer is coated on described Cu-Al connecting pipe and extends a segment distance to the left and right sides of described copper and aluminium welding point outward, described hard opening sheath is along its length by left section connected successively, stage casing and right section of composition, described left section and right section is straight length, described left section of diameter is greater than right section of diameter, described stage casing is the angled transition section connecting left section and right-hand member, the shape of described hot melt adhesive layer is corresponding with described hard opening sheath shape, described hard opening sheath side is provided with an opening extended along its length.
2. a kind of Cu-Al connecting pipe solder joint operator guards as claimed in claim 1, it is characterised in that: described hot melt adhesive layer thickness is even.
3. a kind of Cu-Al connecting pipe solder joint operator guards as claimed in claim 1, it is characterised in that: described hot melt adhesive layer is EVA hot-melt adhesive layer.
4. a kind of Cu-Al connecting pipe solder joint operator guards as claimed in claim 1, it is characterised in that: described hard opening sheath is arrowband class acrylic resin sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060502.8U CN205278607U (en) | 2016-01-21 | 2016-01-21 | Copper aluminium connecting pipe solder joint protection architecture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060502.8U CN205278607U (en) | 2016-01-21 | 2016-01-21 | Copper aluminium connecting pipe solder joint protection architecture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205278607U true CN205278607U (en) | 2016-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620060502.8U Active CN205278607U (en) | 2016-01-21 | 2016-01-21 | Copper aluminium connecting pipe solder joint protection architecture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205278607U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465505A (en) * | 2016-01-21 | 2016-04-06 | 合肥美菱股份有限公司 | Protecting structure for welding spot of copper-aluminum connecting pipe and process of protecting structure |
| CN111379907A (en) * | 2018-12-28 | 2020-07-07 | 新昌县四通机电有限公司 | Pipe fitting coupling assembling and reservoir |
-
2016
- 2016-01-21 CN CN201620060502.8U patent/CN205278607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105465505A (en) * | 2016-01-21 | 2016-04-06 | 合肥美菱股份有限公司 | Protecting structure for welding spot of copper-aluminum connecting pipe and process of protecting structure |
| CN111379907A (en) * | 2018-12-28 | 2020-07-07 | 新昌县四通机电有限公司 | Pipe fitting coupling assembling and reservoir |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 230601 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee after: Changhong MeiLing Limited by Share Ltd Address before: 230061 No. 2163 Lianhua Road, Hefei economic and Technological Development Zone, Anhui Patentee before: Hefei Meiling Co., Ltd. |
|
| CP03 | Change of name, title or address |