CN220649213U - Copper pipe with welding medium - Google Patents
Copper pipe with welding medium Download PDFInfo
- Publication number
- CN220649213U CN220649213U CN202322210115.0U CN202322210115U CN220649213U CN 220649213 U CN220649213 U CN 220649213U CN 202322210115 U CN202322210115 U CN 202322210115U CN 220649213 U CN220649213 U CN 220649213U
- Authority
- CN
- China
- Prior art keywords
- welding
- rings
- expansion
- lantern rings
- copper 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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Links
- 238000003466 welding Methods 0.000 title claims abstract description 76
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 28
- 239000010949 copper Substances 0.000 title claims abstract description 28
- 230000004907 flux Effects 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 7
- 230000008018 melting Effects 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model discloses a copper pipe with a welding medium, which comprises a U-shaped pipe body, welding lantern rings and expansion rings, wherein the welding lantern rings are nested at two opening ends of the U-shaped pipe body, the expansion rings are arranged between the U-shaped pipe body and the welding lantern rings, welding materials are filled between the expansion rings and the welding lantern rings, a plurality of overflow grooves are arranged on the outer surface of the welding lantern rings, and the overflow grooves are used for enabling the welding materials after melting to flow out; the copper pipe is heated to enable the expansion ring to be heated and expanded, so that welding flux in a molten state is extruded into a welding gap from the overflow groove of the welding collar, welding is not required to be carried out by using a traditional welding rod when the copper pipe is welded, welding steps are reduced, and working efficiency is improved; through a plurality of overflow grooves which are arranged in a staggered way, the melted solder can uniformly overflow into the welding gap, so that the occurrence of unmelted solder at the welding point is prevented.
Description
Technical Field
The utility model relates to the technical field of welding of copper pipes of air conditioner heat exchangers, in particular to a copper pipe with a welding medium.
Background
Most of the existing air-conditioning heat exchangers are fin type heat exchangers, and fin type evaporators are formed by additionally arranging fins on copper pipes so as to increase the heat dissipation area of the evaporators. At present, when the fin type evaporator is assembled, the fins with through holes are required to be stacked and placed, a plurality of copper pipes penetrate through the fins to be fixed in an expanded pipe mode, and finally U-shaped connecting pipes are welded on two sides of the evaporating pipes.
Disclosure of Invention
Aiming at the defects of the conventional welding technology of the copper pipe of the air conditioner heat exchanger, the utility model aims to provide the copper pipe with the welding medium, and the copper pipe has the advantages that the welding medium is convenient to weld, the welding medium is heated uniformly and overflows, and the like.
In order to achieve the above purpose, the utility model adopts a technical scheme that: the copper pipe with the welding medium comprises a U-shaped pipe body, welding lantern rings and expansion rings, wherein the welding lantern rings are nested at two opening ends of the U-shaped pipe body, the expansion rings are arranged between the U-shaped pipe body and the welding lantern rings, welding materials are filled between the expansion rings and the welding lantern rings, a plurality of overflow grooves are arranged on the outer surface of the welding lantern rings, and the overflow grooves are used for enabling the welding materials after melting to flow out;
preferably, the expansion ring is a thin-wall metal ring with a hollow cavity, and the radial diameter of the expansion ring is expanded by gas in the heated cavity, so that the welding flux heated to a melting state is extruded from the overflow groove of the welding collar;
preferably, a plurality of overflow grooves are arranged in one group along the radial direction of the welding collar at equal angles, and a plurality of groups of overflow grooves are arranged in a staggered manner along the axial direction of the welding collar; the inner solder can overflow evenly when the copper pipe is welded and heated through the plurality of overflow grooves which are arranged in a staggered way;
preferably, the outer end surface of the welding collar is also provided with an auxiliary inclined surface which is convenient for inserting a copper pipe;
the beneficial effects of the utility model are as follows: 1. the copper pipe is heated to enable the expansion ring to be heated and expanded, so that welding flux in a molten state is extruded into a welding gap from the overflow groove of the welding collar, welding is not required to be carried out by using a traditional welding rod when the copper pipe is welded, welding steps are reduced, and working efficiency is improved; 2. through a plurality of overflow grooves which are arranged in a staggered way, the melted solder can uniformly overflow into the welding gap, so that the occurrence of unmelted solder at the welding point is prevented.
Drawings
FIG. 1 is a front elevational view of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
FIG. 3 is a front cross-sectional view of the present utility model in a welded state;
FIG. 4 is an enlarged partial view of area I of FIG. 2 in accordance with the present utility model;
fig. 5 is an enlarged partial view of area II of fig. 3 in accordance with the present utility model.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "provided," and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 to 5, an embodiment of the present utility model includes:
the copper pipe with the welding medium comprises a U-shaped pipe body 1, a welding lantern ring 2 and an expansion ring 3, wherein the welding lantern ring 2 is nested at two opening ends of the U-shaped pipe body 1, the expansion ring 3 is arranged between the U-shaped pipe body 1 and the welding lantern ring 2, welding flux is filled between the expansion ring 3 and the welding lantern ring 2, a plurality of overflow grooves 21 are arranged on the outer surface of the welding lantern ring 2, and the overflow grooves 21 are used for enabling the welding flux to flow out after melting;
the expansion ring 3 is a thin-wall metal ring with a hollow cavity, and the radial diameter of the expansion ring 3 is expanded by gas in the heated cavity of the expansion ring 3, so that the welding flux heated to a melting state is extruded from the overflow groove 21 of the welding collar 2;
a plurality of overflow grooves 21 are arranged in a group along the radial direction of the welding collar 2 at equal angles, and a plurality of groups of overflow grooves 21 are arranged in a staggered manner along the axial direction of the welding collar 2; the inner solder can overflow evenly when the copper pipe is welded and heated through the plurality of overflow grooves 21 which are arranged in a staggered way;
the outer end surface of the welding collar 2 is also provided with an auxiliary inclined surface 22 which is convenient for inserting a copper pipe;
through the arrangement, in the actual working process, the specific working principle is as follows:
firstly, inserting a U-shaped copper pipe into a welded copper pipe, then heating a welding part of the copper pipe by using a flame spray gun, gradually melting solder during heating, and starting expansion by directly reducing the expansion ring 3 in the radial direction under heating, wherein in the process, molten solder is extruded into a welding gap from the overflow grooves 21 of the welding collar 2, in the process of overflowing the solder, the molten solder can uniformly overflow into the welding gap through a plurality of the overflow grooves 21 which are arranged in a staggered manner, thereby preventing unmelted solder from occurring at the welding point, and removing the flame spray gun after the solder completely overflows or is heated for a certain time, thereby completing welding;
the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (4)
1. The copper pipe with the welding medium comprises a U-shaped pipe body, welding lantern rings and expansion rings, wherein the welding lantern rings are nested at two opening ends of the U-shaped pipe body, the expansion rings are arranged between the U-shaped pipe body and the welding lantern rings, welding flux is filled between the expansion rings and the welding lantern rings, a plurality of overflow grooves are formed in the outer surface of the welding lantern rings, and the overflow grooves are used for enabling the welding flux to flow out after melting.
2. A copper tube with a welding medium according to claim 1, wherein the expansion ring is a thin-walled metal ring with a hollow cavity, and the gas in the cavity expands the radial diameter of the expansion ring after being heated.
3. The copper pipe with the welding medium according to claim 1, wherein a plurality of overflow grooves are arranged in one group along the radial direction of the welding collar at equal angles, and a plurality of groups of overflow grooves are arranged in an interlaced manner along the axial direction of the welding collar.
4. A copper tube with a self-contained weld media as in claim 1 wherein the outer end face of the weld collar further has an auxiliary bevel to facilitate insertion into the copper tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322210115.0U CN220649213U (en) | 2023-08-15 | 2023-08-15 | Copper pipe with welding medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322210115.0U CN220649213U (en) | 2023-08-15 | 2023-08-15 | Copper pipe with welding medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220649213U true CN220649213U (en) | 2024-03-22 |
Family
ID=90287466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322210115.0U Active CN220649213U (en) | 2023-08-15 | 2023-08-15 | Copper pipe with welding medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220649213U (en) |
-
2023
- 2023-08-15 CN CN202322210115.0U patent/CN220649213U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |