CN219402738U - Novel gas welding gun - Google Patents
Novel gas welding gun Download PDFInfo
- Publication number
- CN219402738U CN219402738U CN202320181535.8U CN202320181535U CN219402738U CN 219402738 U CN219402738 U CN 219402738U CN 202320181535 U CN202320181535 U CN 202320181535U CN 219402738 U CN219402738 U CN 219402738U
- Authority
- CN
- China
- Prior art keywords
- connecting pipe
- nozzle
- gas
- welding gun
- welding
- 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.)
- Active
Links
- 238000003466 welding Methods 0.000 title claims abstract description 67
- 239000007789 gas Substances 0.000 claims abstract description 45
- HSFWRNGVRCDJHI-UHFFFAOYSA-N Acetylene Chemical compound C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000002737 fuel gas Substances 0.000 claims abstract description 6
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 3
- 239000001294 propane Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 1
- 210000001503 joint Anatomy 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 abstract description 9
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Arc Welding In General (AREA)
Abstract
The utility model discloses a novel gas welding gun, which comprises a gun body, a connecting pipe and a nozzle, wherein one end of the gun body is connected with welding gas, the other end of the gun body is communicated with the connecting pipe, the connecting pipe is communicated with the nozzle, fuel gas sequentially flows through the gun body, the connecting pipe and the nozzle, and combustion fuel gas sprayed out through the gun nozzle is used for welding pipelines, and the novel gas welding gun is characterized in that the connecting pipe can be freely bent, at least 2 nozzles are arranged in the novel gas welding gun, and the connecting pipe is used for adjusting the relative positions among the nozzles; by using the scheme, the relative position between the nozzles can be flexibly adjusted by playing with the connecting pipe, and the purposes of high-efficiency and high-quality flexible welding of pipelines which are positioned at deeper positions on air-conditioning products, so that a gas welding gun is not easy to go deep, the positions of the nozzles are difficult to adjust, or large-diameter pipelines are realized.
Description
Technical Field
The utility model relates to the technical field of air conditioner welding, in particular to a novel gas welding gun.
Background
The gas welding is a kind of gas welding gun which uses the combustible gas and combustion-supporting gas to produce a heat source, and the gas welding gun can achieve the interatomic combination of the parts, and is widely applied to the welding of air-conditioning product pipelines.
At present, a single nozzle structure mode is generally adopted for welding pipelines of a gas welding gun for welding pipelines of air-conditioning products, and the welding has the phenomenon of uneven heating for welding pipelines with larger pipe diameters, so that the problem of leakage of the welding pipelines caused by incomplete dissolution of welding materials is solved.
And then, a gas welding gun adopting a double-nozzle structure appears, although the heating uniformity of a welding pipeline is greatly improved relative to that of a gas welding gun adopting a single nozzle, the pipeline welding leakage rate is greatly reduced, the gas welding gun is generally hard material with a nozzle connecting pipeline, the position of the nozzle is not easy to adjust in a large range, the connecting pipe is easy to break when the position of the nozzle is wrenched, and the gas welding gun is not easy to go deep when the pipeline arranged at a deeper position of an air-conditioning product is welded, and the position of the nozzle is difficult to adjust relative to the welding pipeline.
Disclosure of Invention
In order to solve the problems, the pipeline communicated with the nozzles can be freely bent, and at least 2 nozzles are arranged, and the reasonable adjustment of the welding relative positions of the nozzles relative to the welding pipeline is realized through the adjustment of the pipeline connected with the nozzles, so that the purposes of high-efficiency and high-quality flexible welding gas welding guns are realized, and the pipeline which is positioned at a deeper position on an air-conditioning product, particularly the pipeline with a larger pipe diameter and is difficult to adjust the position of the nozzle is realized.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a novel gas welding gun which comprises a gun body, a connecting pipe and nozzles, wherein the inlet end of the gun body is connected with a gas conveying hose, the outlet end of the gun body is communicated with the inlet of the connecting pipe, the connecting pipe is communicated with the nozzles, gas sequentially flows through the gun body, the connecting pipe and the nozzles, the connecting pipe body is a pipeline capable of being bent freely, at least 2 nozzles are arranged in the gas welding gun, and the gas welding gun can be used for adjusting the position of a welding pipeline between the nozzles through the connecting pipe.
Further, the nozzle inlet communicates with the connecting tube outlet end.
Further, a bypass pipe capable of being freely bent is further arranged between the connecting pipe bodies, and an outlet of the bypass pipe is communicated with an inlet end of the nozzle.
Further, the connecting pipe and the bypass pipe are corrugated hoses or capillary hoses.
Further, the gun body is movably connected with the connecting pipe, the connecting pipe and the nozzle, and the bypass pipe is movably connected with the nozzle.
Further, the connecting pipe, the bypass pipe and the nozzle are made of copper.
Further, the fuel gas is a mixed gas of oxygen and acetylene or a mixed gas of oxygen and propane.
The technical scheme has the beneficial effects that the pipeline communicated with the nozzles can be freely bent, and at least 2 nozzles are arranged, through the adjustment of the pipeline connected with the nozzles, the reasonable adjustment of the welding relative positions of the nozzles relative to the welding pipeline is realized, and at least the effects that the flexible welding gas welding gun with high efficiency and high quality is not easy to go deep, the position of the nozzle is difficult to adjust and the pipeline is positioned at a deeper position on an air-conditioning product, especially the pipeline with large pipe diameter is achieved.
Drawings
FIG. 1 is a schematic diagram of an embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram of the embodiment 2 of the present utility model with an integral structural connection;
fig. 3 is a schematic diagram of a three-way valve structure connection according to embodiment 2 of the present utility model.
In the figure, 1-gun body; 2-first loose joint; 3-connecting pipes; 31-a three-way valve; 4-second loose joint; 5-nozzle; 51-flame; 6-a pipeline; 7-bypass pipe.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-3, the embodiment of the utility model provides a novel gas welding gun, which comprises a gun body 1, a connecting pipe 3 and a nozzle 5, wherein the inlet end of the gun body 1 is connected with a gas conveying hose, the outlet end of the gun body 1 is communicated with the inlet of the connecting pipe 3, the connecting pipe 3 is communicated with the nozzle 5, gas sequentially flows through the gun body 1, the connecting pipe 3 and the nozzle 5, high-temperature combustion gas sprayed out through the nozzle 5 is used for welding a pipeline 6, the pipe body of the connecting pipe 3 can be freely bent, at least 2 nozzles 5 are arranged in the novel gas welding gun, and the position of the welding pipeline 6 between the nozzles 5 is adjusted through the connecting pipe 3.
Example 1
In this embodiment, referring to fig. 1, the connection pipes 3 and the nozzles 5 are symmetrically arranged, the number of the nozzles 5 is 2, the nozzle opening of one side nozzle 5 faces the nozzle opening of the other side nozzle 5, the nozzle openings of the 2 nozzles 5 face the pipeline 6, the high-temperature combustion gas ejected from the nozzles 5 symmetrically arranged in opposite directions is used for uniformly heating the pipeline 6, and the formed flame 51 is finally used for realizing the welding of the pipeline 6. The double nozzles 5 can heat the pipeline 6 more uniformly, so that the time required for welding is shorter, and the welding efficiency and welding quality are higher.
In this embodiment, since the pipe body of the connecting pipe 3 can be freely bent, the position of the nozzle 5 relative to the pipeline 6 can be adjusted by adjusting the bending degree of the pipe body of the connecting pipe 3, so that the purposes that the high-efficiency and high-quality flexible welding gas welding gun is not easy to go deep, the position of the nozzle 5 is difficult to adjust and the pipeline 6 at a deeper position on an air-conditioning product, especially the pipeline 6 with a larger pipe diameter, can be achieved, and compared with the traditional welding, the welding efficiency and the welding quality can be greatly improved.
In this embodiment, for welding the pipeline 6 located at a deeper position on the air-conditioning product, the pipe body bending mode of the connecting pipe 3 of the gas welding gun can be adopted, the obstacle is avoided from going deep into the welded pipeline 6, and the welding angle of the nozzle 5 relative to the pipeline 6 is adjusted to be suitable for welding.
In this embodiment, the inlet of the nozzle 5 is communicated with the outlet end of the connecting pipe 3, in order to achieve the purpose of freely bending the connecting pipe 3, the connecting pipe 3 is a corrugated hose, or a capillary hose, in both embodiment 1 and embodiment 2, the corrugated hose can achieve reliable free bending of the connecting pipe 3, and when the amount of fuel gas required for welding the large-size pipeline 6 is large, the corrugated hose with a large pipe diameter can be used for conveying the fuel gas.
In this embodiment, if the pipe diameter of the pipe 6 is relatively small, the connecting pipe 3 may take the form of a capillary hose, which also enables a reliable free bending of the connecting pipe 3, but delivers a small amount of fuel.
In this embodiment, connection pipes with different structures can be selected according to different occasions.
Example 2
In this embodiment, for welding with the pipeline 6 with an oversized specification, for example, the pipeline 6 has a pipe diameter of more than 100 mm, referring to fig. 2 and 3, the number of nozzles 5 is 4, 2 nozzles 5 are added on the basis of embodiment 1, specifically, the bypass pipes 7 are symmetrically arranged at the pipe body positions of the symmetrically arranged connecting pipes 3 in fig. 1, the bypass pipes 7 can also be freely bent, and the outlets of the bypass pipes 7 are communicated with the inlet ends of the nozzles 5.
In this embodiment, the bypass pipe 7 is connected to the connection pipe 3, and may be an integrally formed structure as shown in fig. 2, or a three-way valve connection structure as shown in fig. 3, i.e., the connection pipe 3 is divided into two sections, and is connected to the bypass pipe 7 by a three-way valve 31.
In this embodiment, the 4 nozzles 5 are symmetrically arranged, and the positions of the 4 nozzles 4 relative to the oversized pipeline 6 can be flexibly adjusted by freely bending the connecting pipe 3 and the bypass pipe 7, so that high-efficiency and high-quality welding of the oversized pipeline 6 is realized.
In the present embodiment, the flame 51 emitted from the 4 nozzles 5 can heat the oversized pipe 6 more uniformly with respect to the arrangement of the 2 nozzles 5.
In this embodiment, besides the arrangement of 4 nozzles 5, a larger number of nozzles 5 can be arranged as required, so as to finally achieve the purpose of high-efficiency and high-quality welding of pipelines 6 with different pipe diameters.
In this embodiment, for the purpose of quick replacement of the connection pipe 3 or the nozzle 5, it is preferable that the connection between the gun body 1 and the connection pipe 3, the connection pipe 3 and the nozzle 5, and the bypass pipe 7 and the nozzle 5 is a movable connection. Specifically, a first loose joint 2 is provided to connect the gun body 1 and the connecting pipe 3, a second loose joint 4 is provided to connect the connecting pipe 3 and the nozzle 5, and a bypass pipe 7 and the nozzle 5.
In this embodiment, the first loose joint 2 and the second loose joint 4 may adopt a common nut loose joint or a quick connector connection. By adopting loose joint connection, the nozzles 5 can be quickly replaced with nozzles 5 with different specifications according to the requirements of welding pipelines 6 with different specifications.
In addition, the connecting pipe 3, the nozzle 5 and the bypass pipe 7 are made of copper, and if the three-way valve structure is adopted for connection, the three-way valve 31 is also made of copper. Since the air conditioning pipeline is welded by the burned combustible gas, the copper materials of the connecting pipe 3, the three-way valve 31, the nozzle 5 and the bypass pipe 7 are commonly used materials in the prior art.
In this embodiment, the gas used in the gas welding gun is typically oxygen+acetylene or oxygen+propane, and of course, other suitable common gas may be adopted, and suitable gas may be selected according to actual use requirements.
In one embodiment, the above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a novel gas welding gun, includes the rifle body, connecting pipe and nozzle, the gas delivery hose is connected to rifle body entrance point, and exit end and connecting pipe import intercommunication, its characterized in that, connecting pipe and nozzle intercommunication, gas flows through in proper order the rifle body, connecting pipe and nozzle, the connecting pipe body is the pipeline that can freely crooked, gas welding gun sets up 2 nozzles at least, can pass through the connecting pipe is used for adjusting the position of butt joint pipeline between the nozzle mutually.
2. The novel gas torch according to claim 1 wherein the nozzle inlet communicates with the connecting tube outlet end.
3. The novel gas welding gun according to claim 2, wherein the position between the connecting pipe bodies further comprises a bypass pipe capable of being freely bent, and the outlet of the bypass pipe is communicated with the inlet end of the nozzle.
4. The new gas welding gun according to claim 3, wherein the connecting pipe and the bypass pipe are corrugated hoses or capillary hoses.
5. The novel gas welding gun according to claim 4, wherein the gun body is movably connected with the connecting pipe, the connecting pipe and the nozzle, and the bypass pipe is movably connected with the nozzle.
6. The novel gas welding gun according to claim 5, wherein the connecting pipe, the bypass pipe and the nozzle are made of copper.
7. The novel gas welding gun according to any one of claims 1 to 6, wherein the fuel gas is a mixed gas of oxygen and acetylene or a mixed gas of oxygen and propane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181535.8U CN219402738U (en) | 2023-02-10 | 2023-02-10 | Novel gas welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320181535.8U CN219402738U (en) | 2023-02-10 | 2023-02-10 | Novel gas welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219402738U true CN219402738U (en) | 2023-07-25 |
Family
ID=87243087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320181535.8U Active CN219402738U (en) | 2023-02-10 | 2023-02-10 | Novel gas welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219402738U (en) |
-
2023
- 2023-02-10 CN CN202320181535.8U patent/CN219402738U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 341199 No. 1, Taiyangping Road, phase 4, Ganzhou high tech Industrial Development Zone, Ganxian District, Ganzhou City, Jiangxi Province Patentee after: Haojin Oubo Technology Co.,Ltd. Address before: 341199 No. 1, Taiyangping Road, phase 4, Ganzhou high tech Industrial Development Zone, Ganxian District, Ganzhou City, Jiangxi Province Patentee before: Jiangxi Haojin OBO Environmental Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |