CN217683908U - Protective gas filling device - Google Patents
Protective gas filling device Download PDFInfo
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- CN217683908U CN217683908U CN202123249446.2U CN202123249446U CN217683908U CN 217683908 U CN217683908 U CN 217683908U CN 202123249446 U CN202123249446 U CN 202123249446U CN 217683908 U CN217683908 U CN 217683908U
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Abstract
The utility model provides a protective gas filling device, which comprises a rubber ball, a connecting pipe connected with the rubber ball, and an air inlet pipe and an air discharge pipe connected with the connecting pipe, wherein the air inlet pipe is connected with a protective gas tank, and protective gas in the protective gas tank enters the rubber ball through the air inlet pipe and the connecting pipe; and the protective gas in the rubber ball is filled to the welding position of the two pipelines to be welded through the connecting pipe and the air release pipe. Utilize the utility model discloses to realize filling required protective gas's purpose when can welding the pipeline at any time.
Description
Technical Field
The utility model relates to a construction technical field, more specifically relates to a protective gas filling device.
Background
In the process of welding the stainless steel pipeline, protective gas (generally inert gas such as argon) needs to be filled in the welding pipeline for protection, so that adverse effects of oxygen, nitrogen, hydrogen and the like in the air on electric arcs and a molten pool can be isolated, the burning loss of alloy elements is reduced, a compact, splash-free and high-quality welding joint is obtained, and the defects of overburning, slagging and the like on the back of a welding seam are prevented. The interior of the entire pipe is generally filled with a protective gas, and when the amount of the protective gas in the pipe is insufficient, the pipe needs to be refilled.
Disclosure of Invention
In view of the above problems, it is an object of the present invention to provide a protective gas filling apparatus for filling a required protective gas into a pipe during welding.
The protective gas filling device provided by the utility model comprises a rubber ball, a connecting pipe connected with the rubber ball, and an air inlet pipe and an air outlet pipe connected with the connecting pipe, wherein,
the gas inlet pipe is connected with a protective gas tank, and protective gas in the protective gas tank enters the rubber ball through the gas inlet pipe and the connecting pipe;
and the protective gas in the rubber ball is filled to the welding position of the two pipelines to be welded through the connecting pipe and the air release pipe.
Further, it is preferable that the intake pipe is connected to the protective gas tank through an intake port.
In addition, the preferable structure is that a pressure relief valve is arranged on the air inlet pipe, and a pressure relief opening is arranged on the pressure relief valve; wherein the content of the first and second substances,
the pressure relief valve and the pressure relief port are used for relieving the pressure in the welded pipeline so as to balance the air pressure inside and outside the pipeline.
In addition, it is preferable that an air outlet is provided on the air release pipe, wherein,
and the gas outlet is used for filling the protective gas in the gas release pipe to the pipeline welding position.
In addition, it is preferable that a rotary valve is provided in the vicinity of the outlet of the gas release pipe, and the gas release pipe controls the flow of the protective gas by the rotary valve.
Further, it is preferable that the rubber ball has a diameter smaller than that of the pipe to be welded.
In addition, the preferable structure is that plugging cloth is arranged in the pipeline to be welded, and the pipeline to be welded forms a sealed space through the plugging cloth.
In addition, the preferable structure is that the connecting pipe, the air inlet pipe and the air discharging pipe are all made of rubber hoses.
According to the technical scheme, the protective gas filling device provided by the utility model seals the pipeline through the rubber ball and the sealing cloth, fills the protective gas in the protective gas tank to the welding positions of two pipelines to be welded, and saves the filling quantity of the protective gas during construction; because the rubber ball and the inflation paste are made of rubber materials which can be bent, the rubber ball and the inflation paste are suitable for the welded crater position with the elbow and the branch pipe section.
To the accomplishment of the foregoing and related ends, one or more aspects of the invention comprise the features hereinafter fully described. The following description and the annexed drawings set forth in detail certain illustrative aspects of the invention. These aspects are indicative, however, of but a few of the various ways in which the principles of the invention may be employed. Moreover, the present invention is intended to include all such aspects and their equivalents.
Drawings
Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is a schematic structural view of a protective gas filling apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of an application of the protective gas filling apparatus according to the embodiment of the present invention;
fig. 3 and fig. 4 are schematic diagrams of the protective gas filling device according to the embodiment of the present invention.
Wherein the reference numerals include: 1. rubber ball, 2, gas outlet, 3, gas release pipe, 4, connecting pipe, 5, air inlet, 6, pressure release mouth, 7, pressure release valve, 8, weld bond, 9, shutoff cloth, 10, first pipeline, 11, second pipeline, 12, third pipeline, 13, intake pipe.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In order to illustrate the structure of the protective gas filling apparatus provided by the present invention, fig. 1 to 4 are exemplarily illustrated from different angles, respectively. Specifically, fig. 1 shows a protective gas filling apparatus structure according to an embodiment of the present invention; fig. 2 shows a protective gas filling apparatus according to an embodiment of the present invention applied one; fig. 3 and 4 respectively show the application of the protective gas filling device of the embodiment of the present invention.
As shown in fig. 1 to 4, the utility model provides a protective gas filling device for fill the protective gas in the protective gas tank to the welding position of two pipelines to be welded, the filling device comprises a rubber ball 1, a connecting pipe 4 connected with the rubber ball 1, and an air inlet pipe 13 and an air outlet pipe 13 connected with the connecting pipe 4, wherein the air inlet pipe 13 is connected with the protective gas tank, and the protective gas in the protective gas tank enters the rubber ball 1 through the air inlet pipe 13 and the connecting pipe 4; and the protective gas in the rubber ball 1 is filled to the pipeline welding position through the connecting pipe 4 and the gas release pipe 3.
In the embodiment of the present invention, the intake pipe 13 is connected to the protective gas tank through the intake port 5. A pressure relief valve 7 is arranged on the air inlet pipe 13, and a pressure relief opening 6 is arranged on the pressure relief valve 7; the pressure relief valve 7 and the pressure relief port 6 are used for relieving the pressure in the welded pipeline so as to balance the air pressure inside and outside the pipeline.
The embodiment of the present invention provides a gas outlet 2 on the gas releasing pipe 3, wherein the gas outlet 2 is used for filling the protective gas in the gas releasing pipe 3 to the position of pipeline welding. Wherein, a rotary valve is arranged near the gas outlet 2 of the gas discharge pipe 3, and the gas discharge pipe controls the airflow of the protective gas through the rotary valve.
In the embodiment of the utility model, rubber ball 1 is used for the storage protective gas, and the diameter of rubber ball 1 is less than the diameter of treating welded pipe. The method comprises the following steps of arranging plugging cloth 9 in a pipeline to be welded, placing a rubber ball 1 at the other end of the pipeline to be welded, and forming a sealed space for the pipeline to be welded through the plugging cloth 9 and the rubber ball 1. The connecting pipe, the air inlet pipe and the air discharging pipe are all rubber hoses; the material can be bent, and the device is also suitable for the position of a welded crater with an elbow and a branch pipe section.
In the embodiment of the utility model, the sphere size of the rubber ball 1 is determined according to the inner diameter of the pipeline, the diameter of the rubber ball 1 can be determined by adopting the larger inner diameter between two pipelines with similar pipe diameters, the protective gas filling device is put into the pipeline before the pipelines are aligned, the rubber ball is arranged at the other side of the butt joint position of the pipelines, and the air inlet pipe passes through the middle of the newly installed pipeline and is connected with the protective gas tank (as shown in figure 2); after the pipeline is aligned, firstly, temporarily blocking the other side of the pipeline (for blocking cloth, namely, soft materials are adopted), then inflating and filling the rubber ball, confirming that the rubber ball is filled and tightly attached to the pipeline when the pressure gauge pressure is stabilized at 0.05Mpa, and then opening the air release pipe for inflation; at this point, the pipeline welding operation can be performed, and after the weld joint is completed, the two pipeline pressure relief valves are opened to relieve the pressure, and the device is pulled to the next butted weld joint by using the traction rope (as shown in fig. 3 and 4).
According to the embodiment, the protective gas filling device provided by the utility model seals the pipeline through the rubber ball and the sealing cloth, fills the protective gas in the protective gas tank to the welding positions of two pipelines to be welded, and saves the filling quantity of the protective gas during construction; because the rubber ball and the inflation paste are made of rubber materials which can be bent, the rubber ball and the inflation paste are suitable for the welded crater position with the elbow and the branch pipe section.
The protective gas filling device according to the present invention is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the protective gas filling apparatus of the present invention as set forth above without departing from the scope of the invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (8)
1. A protective gas filling device is characterized by comprising a rubber ball, a connecting pipe connected with the rubber ball, and an air inlet pipe and an air outlet pipe connected with the connecting pipe, wherein,
the gas inlet pipe is connected with a protective gas tank, and protective gas in the protective gas tank enters the rubber ball through the gas inlet pipe and the connecting pipe;
and the protective gas in the rubber ball is filled to the pipeline welding position of the two pipelines to be welded through the connecting pipe and the air release pipe.
2. The protective-gas filling apparatus as claimed in claim 1,
the air inlet pipe is connected with the protective gas tank through an air inlet.
3. The protective-gas filling apparatus according to claim 1,
the air inlet pipe is provided with a pressure relief valve, and the pressure relief valve is provided with a pressure relief opening; wherein the content of the first and second substances,
the pressure relief valve and the pressure relief port are used for relieving the pressure in the welded pipeline so as to balance the air pressure inside and outside the pipeline.
4. The protective-gas filling apparatus according to claim 1,
the air discharging pipe is provided with an air outlet, wherein,
and the gas outlet is used for filling the protective gas in the gas release pipe to the pipeline welding position.
5. The protective-gas filling apparatus according to claim 4,
and a rotary valve is arranged near the gas outlet of the gas discharge pipe, and the gas discharge pipe controls the airflow of the protective gas through the rotary valve.
6. The protective-gas filling apparatus according to claim 1,
the diameter of the rubber ball is smaller than that of the pipeline to be welded.
7. The protective-gas filling apparatus according to claim 1,
and arranging plugging cloth in the pipeline to be welded, and forming a sealed space for the pipeline to be welded through the plugging cloth.
8. The protective-gas filling apparatus according to claim 1,
the connecting pipe, the intake pipe and the gas release pipe all adopt rubber hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123249446.2U CN217683908U (en) | 2021-12-22 | 2021-12-22 | Protective gas filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123249446.2U CN217683908U (en) | 2021-12-22 | 2021-12-22 | Protective gas filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217683908U true CN217683908U (en) | 2022-10-28 |
Family
ID=83726317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123249446.2U Active CN217683908U (en) | 2021-12-22 | 2021-12-22 | Protective gas filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217683908U (en) |
-
2021
- 2021-12-22 CN CN202123249446.2U patent/CN217683908U/en active Active
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