CN214023987U - Gas conveying device for welding or cutting - Google Patents
Gas conveying device for welding or cutting Download PDFInfo
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- CN214023987U CN214023987U CN202022865582.3U CN202022865582U CN214023987U CN 214023987 U CN214023987 U CN 214023987U CN 202022865582 U CN202022865582 U CN 202022865582U CN 214023987 U CN214023987 U CN 214023987U
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- oxygen
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- gas fuel
- gas
- welding
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Abstract
The utility model relates to the technical field of gas delivery, a gas conveying device for welding or cutting is disclosed, including oxygen connecting pipe and gas fuel connecting pipe, the oxygen connecting pipe includes the first oxygen hose of being connected with the oxygen cylinder, the second oxygen hose of being connected with the oxygen end of welding equipment or cutting equipment and the first steel pipe of being connected between first oxygen hose and second oxygen hose, is equipped with the first relief pressure valve on the first oxygen hose; the gas fuel connecting pipe comprises a first gas fuel hose connected with a gas fuel bottle, a second gas fuel hose connected with a fuel end of welding equipment or cutting equipment, and a second connecting steel pipe connected between the first gas fuel hose and the second gas fuel hose, wherein a second pressure reducing valve and a first backfire preventer are arranged on the first gas fuel hose. The utility model discloses can guarantee oxygen and gaseous fuel can continuous stable supply to welding equipment or cutting equipment on, improve the safety in utilization.
Description
Technical Field
The utility model relates to a gas conveying technical field especially relates to a gas conveying device for welding or cutting.
Background
In the manufacturing industry and maintenance industry of various industrial doors, welding and cutting fire-driving operation is frequent operation, oxygen and gas fuel (such as acetylene) are conveyed by using national standard rubber tubes, when high-rise or long-distance fire-driving operation is carried out, potential safety hazards such as insufficient pressure, unsmooth gas supply, easy tube explosion, easy-to-take-off of a connector and the like exist due to overlong length of the rubber tube, people can move (or lift) an oxygen cylinder and a gas fuel cylinder to a high-rise building or a high-rise position to carry out gas cutting fire-driving operation under general conditions, and in this way, a major risk of explosion caused by falling and smashing in the process of carrying the industrial lifted gas cylinder exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can guarantee that oxygen and gaseous fuel can continuous stable supply to welding equipment or cutting equipment on, improve the gas conveying device who is used for welding or cutting of safety in utilization.
In order to achieve the above object, the present invention provides a gas conveying device for welding or cutting, including an oxygen connecting pipe and a gas fuel connecting pipe, wherein the oxygen connecting pipe includes a first oxygen hose connected to an oxygen cylinder, a second oxygen hose connected to an oxygen end of a welding device or a cutting device, and a first connecting steel pipe connected between the first oxygen hose and the second oxygen hose, and a first pressure reducing valve is disposed on the first oxygen hose; the gas fuel connecting pipe comprises a first gas fuel hose connected with a gas fuel bottle, a second gas fuel hose connected with a fuel end of welding equipment or cutting equipment, and a second connecting steel pipe connected between the first gas fuel hose and the second gas fuel hose, wherein a second pressure reducing valve and a first backfire preventer are arranged on the first gas fuel hose.
As a preferred embodiment of the present invention, the second connecting steel pipe is provided with a gas fuel connection port connected to the second gas fuel hose, and the gas fuel connection port is provided with a second flashback arrestor and a first stop valve.
In a preferred embodiment of the present invention, the number of the gas fuel connection ports is two.
As the utility model discloses preferred scheme, first connection steel pipe is close to the one end of second oxygen hose be equipped with the oxygen connector that second oxygen hose connected, be equipped with the second stop valve on the oxygen connector.
As the preferred proposal of the utility model, the oxygen connectors are provided with two.
As a preferable scheme of the present invention, a first pressure gauge is disposed at one end of the first connecting steel pipe close to the second oxygen hose; and a second pressure gauge is arranged at one end, close to the second gas fuel hose, of the second connecting steel pipe.
As a preferred aspect of the present invention, the oxygen connecting pipe is coated with a first protective coating, the gas fuel connecting pipe is coated with a second protective coating, and the color of the first protective coating is different from the color of the second protective coating.
As a preferred aspect of the present invention, the first connecting steel pipe and the second connecting steel pipe are seamless steel pipes, and the first oxygen hose, the second oxygen hose, the first gas fuel hose, and the second gas fuel hose are rubber pipes.
In a preferred embodiment of the present invention, the first oxygen hose and the first connection steel pipe are connected by a hose clamp, and the second oxygen hose and the first connection steel pipe are connected by a hose clamp.
As the preferred scheme of the utility model, first gaseous fuel hose with the second is connected the steel pipe and is passed through the hose clamp and connect, the second gaseous fuel hose with the second is connected the steel pipe and is passed through the hose clamp and connect.
The embodiment of the utility model provides a gas conveying device for welding or cutting compares with prior art, and its beneficial effect lies in:
the utility model discloses a length that the oxygen connecting pipe is increased through first connecting steel pipe, and the length that the gaseous fuel connecting pipe is increased through the second connecting steel pipe, conveniently through the long distance fire-driving operation between oxygen cylinder and gaseous fuel bottle and welding equipment or the cutting equipment, guarantee that oxygen and gaseous fuel can be on welding equipment or the cutting equipment of stable supply in succession, avoid the risk in the process of bursting pipe, interface drop and hoist transport oxygen cylinder and gaseous fuel bottle, guarantee safe in utilization; in addition, a first pressure reducing valve on the first oxygen hose can adjust the pressure of oxygen output by the oxygen cylinder, and a second pressure reducing valve on the first gas fuel hose can adjust the pressure of gas fuel output by the gas fuel cylinder, so that the gas pressure of the oxygen and the gas fuel meets the requirements of welding equipment or cutting equipment; when welding equipment or cutting equipment take place to temper, can prevent through first back fire preventer that flame refluence from getting into in the gas fuel bottle, guarantee the security.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a gas conveying device for welding or cutting provided by the present invention;
in the figure, 1 is an oxygen connecting pipe; 11 is a first oxygen hose; 111 is a first pressure reducing valve; 12 is a second oxygen hose; 13 is a first connecting steel pipe; 131 is an oxygen connecting port; 132 is a second stop valve; 133 is a first pressure gauge; 2 is a gas fuel connecting pipe; 21 is a first gas fuel hose; 211 is a second pressure reducing valve; 212 is a first flashback arrestor; 22 is a second gas fuel hose; 23 is a second connecting steel pipe; 231 is a gas fuel connecting port; 232 is a second flashback arrestor; 233 is a first stop valve; 234 is a second pressure gauge; 3 is an oxygen cylinder; 4 is a gas fuel bottle; and 5, welding equipment or cutting equipment.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being 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.
As shown in fig. 1, a gas transmission device for welding or cutting according to a preferred embodiment of the present invention includes an oxygen connection pipe 1 and a gas fuel connection pipe 2, wherein the oxygen connection pipe 1 includes a first oxygen hose 11 connected to an oxygen cylinder 3, a second oxygen hose 12 connected to an oxygen end of a welding or cutting apparatus 5, and a first connection steel pipe 13 connected between the first oxygen hose 11 and the second oxygen hose 12, and a first pressure reducing valve 111 is provided on the first oxygen hose 11; the gas fuel connection pipe 2 comprises a first gas fuel hose 21 connected with a gas fuel bottle 4, a second gas fuel hose 22 connected with a fuel end of a welding device or a cutting device 5, and a second connection steel pipe 23 connected between the first gas fuel hose 21 and the second gas fuel hose 22, wherein a second pressure reducing valve 211 and a first backfire preventer 212 are arranged on the first gas fuel hose 21. The first connecting steel pipe 13 and the second connecting steel pipe 23 both comprise a vertical section and a horizontal section, and are connected to an oxygen cylinder 3 on the ground and a high-position welding or cutting operation part through an oxygen connecting pipe 1; the gas fuel bottle 4 connected to the ground through the gas fuel connecting pipe 2 is welded or cut at a high place. The gas fuel cylinder 4 in this embodiment is an acetylene cylinder.
Therefore, the utility model discloses a first connecting steel pipe 13 increases the length of oxygen connecting pipe 1, increases the length of gas fuel connecting pipe 2 through second connecting steel pipe 23, conveniently through the long distance operation of starting fire between oxygen cylinder 3 and gas fuel bottle 4 and welding equipment or cutting equipment 5, guarantee that oxygen and gas fuel can continuous stable supply to welding equipment or cutting equipment 5, avoid the pipe explosion, the interface drops and hoist and mount the risk in the transport oxygen cylinder 3 and the gas fuel bottle 4 process, guarantee safe in utilization; in addition, the first pressure reducing valve 111 on the first oxygen hose 11 can adjust the pressure of the oxygen output by the oxygen cylinder 3, and the second pressure reducing valve 211 on the first gas fuel hose 21 can adjust the pressure of the gas fuel output by the gas fuel cylinder 4, so that the pressure of the oxygen and the gas fuel can meet the requirements of the welding equipment or the cutting equipment 5; when the welding equipment or the cutting equipment 5 is tempered, the flame can be prevented from flowing back into the gas fuel bottle 4 by the first temper preventer 212, and the safety is ensured.
Illustratively, a gas fuel connection port 231 connected with the second gas fuel is arranged at one end of the second connection steel pipe 23 close to the second gas fuel hose 22, a second back fire preventer 232 and a first stop valve 233 are arranged on the gas fuel connection port 231, the second back fire preventer 232 can prevent flame from flowing back into the gas fuel bottle 4, and the first stop valve 233 can close a communication channel between the welding equipment or cutting equipment 5 and the gas fuel connection pipe 2 in a non-working state, gas leakage or back fire, so as to further ensure safety.
Illustratively, an oxygen connection port 131 connected with the second oxygen hose 12 is arranged at one end of the first connection steel pipe 13 close to the second oxygen hose 12, and a second stop valve 132 is arranged on the oxygen connection port 131, so that when the welding device or the cutting device 5 is in a non-working state, gas leaks or is in a back fire, a communication channel between the oxygen connection pipe 1 and the welding device or the cutting device 5 can be closed through the second stop valve 132, and safety is further ensured.
Illustratively, the oxygen connection ports 131 are provided in two, and the gas fuel connection ports 231 are provided in two, so as to facilitate simultaneous welding or cutting of two devices 5.
For example, a first pressure gauge 133 is arranged at one end of the first connecting steel pipe 13 close to the second oxygen hose 12, so that the oxygen pressure output by the first connecting steel pipe 13 can be observed in real time; one end of the second connection steel pipe 23 close to the second gas fuel hose 22 is provided with a second pressure gauge 234, so that the gas pressure of the gas fuel output by the second connection steel pipe 23 can be observed in real time.
Illustratively, the oxygen connecting pipe 1 is coated with a first protective coating, the gas fuel connecting pipe 2 is coated with a second protective coating, the color of the first protective coating is different from that of the second protective coating, the color of the first protective coating is preferably blue, and the color of the second protective coating is preferably red, so that the oxygen connecting pipe 1 and the gas fuel connecting pipe 2 can be distinguished by constructors conveniently.
In order to improve the conveying effect of oxygen and gas fuel, the first connecting steel pipe 13 and the second connecting steel pipe 23 are both seamless steel pipes, and the first oxygen hose 11, the second oxygen hose 12, the first gas fuel hose 21 and the second gas fuel hose 22 are all rubber pipes.
The assembly and disassembly are convenient, the sealing performance is improved, the first oxygen hose 11 is connected with the first connecting steel pipe 13 through a hose clamp, and the second oxygen hose 12 is connected with the first connecting steel pipe 13 through a hose clamp; the first gas fuel hose 21 and the second connection steel pipe 23 are connected by a hose clamp, and the second gas fuel hose 22 and the second connection steel pipe 23 are connected by a hose clamp.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (10)
1. The gas conveying device for welding or cutting is characterized by comprising an oxygen connecting pipe and a gas fuel connecting pipe, wherein the oxygen connecting pipe comprises a first oxygen hose connected with an oxygen bottle, a second oxygen hose connected with an oxygen end of welding equipment or cutting equipment and a first connecting steel pipe connected between the first oxygen hose and the second oxygen hose, and a first pressure reducing valve is arranged on the first oxygen hose; the gas fuel connecting pipe comprises a first gas fuel hose connected with a gas fuel bottle, a second gas fuel hose connected with a fuel end of welding equipment or cutting equipment, and a second connecting steel pipe connected between the first gas fuel hose and the second gas fuel hose, wherein a second pressure reducing valve and a first backfire preventer are arranged on the first gas fuel hose.
2. The gas delivery device for welding or cutting as defined in claim 1, wherein an end of said second connection steel pipe adjacent to said second gas fuel hose is provided with a gas fuel connection port connected to said second gas fuel hose, said gas fuel connection port being provided with a second flashback arrestor and a first shut-off valve.
3. The gas delivery device for welding or cutting of claim 2, wherein there are two gas fuel connection ports.
4. The gas delivery device for welding or cutting as claimed in claim 1, wherein an oxygen connection port connected with the second oxygen hose is provided at an end of the first connection steel pipe close to the second oxygen hose, and a second stop valve is provided on the oxygen connection port.
5. Gas delivery device for welding or cutting according to claim 4, characterized in that the oxygen connection ports are provided in two.
6. The gas delivery device for welding or cutting as claimed in claim 1, wherein a first pressure gauge is provided at one end of the first connection steel pipe near the second oxygen hose; and a second pressure gauge is arranged at one end, close to the second gas fuel hose, of the second connecting steel pipe.
7. The gas delivery device for welding or cutting as defined in claim 1, wherein said oxygen gas connecting tube is coated with a first protective coating, said gas fuel connecting tube is coated with a second protective coating, and said first protective coating has a color different from a color of said second protective coating.
8. The gas delivery device for welding or cutting according to claim 1, wherein the first connecting steel pipe and the second connecting steel pipe are seamless steel pipes, and the first oxygen hose, the second oxygen hose, the first gas fuel hose, and the second gas fuel hose are rubber pipes.
9. The gas delivery device for welding or cutting of claim 1, wherein the first oxygen hose is connected to the first connecting steel pipe by a throat band, and the second oxygen hose is connected to the first connecting steel pipe by a throat band.
10. The gas delivery device for welding or cutting of claim 1, wherein the first gas fuel hose and the second connecting steel tube are connected by a throat band, and the second gas fuel hose and the second connecting steel tube are connected by a throat band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022865582.3U CN214023987U (en) | 2020-12-02 | 2020-12-02 | Gas conveying device for welding or cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022865582.3U CN214023987U (en) | 2020-12-02 | 2020-12-02 | Gas conveying device for welding or cutting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214023987U true CN214023987U (en) | 2021-08-24 |
Family
ID=77383009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022865582.3U Active CN214023987U (en) | 2020-12-02 | 2020-12-02 | Gas conveying device for welding or cutting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214023987U (en) |
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2020
- 2020-12-02 CN CN202022865582.3U patent/CN214023987U/en active Active
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