CN210088859U

CN210088859U - Anti-backfire cutting torch

Info

Publication number: CN210088859U
Application number: CN201920506552.8U
Authority: CN
Inventors: 薛云; 刘明山
Original assignee: SHANDONG TIANAN VALVE CO LTD
Current assignee: SHANDONG TIANAN VALVE CO LTD
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-18
Anticipated expiration: 2029-04-15

Abstract

The utility model provides an anti-backfire cutting torch, include: cutting torch, cutting torch joint, cutting torch nut; the cutting torch is arranged on the lower side of the cutting torch joint, and the cutting torch is connected with the cutting torch joint through a cutting torch nut; the mixed gas pipe is arranged on one side of the cutting nozzle joint and is connected with the injection and suction pipe; the copper pipe is arranged at the front end of the injection and suction pipe and is connected with the injection and suction pipe in a welding mode; the middle main body is arranged at the rear side of the injection and suction pipe and is connected with the injection and suction pipe through an injection and suction pipe nut; the oxygen pipe is arranged on one side of the cutting torch joint and is connected with the middle main body; the rear main body is arranged on the rear side of the middle main body, and the rear main body is connected with the middle main body through an air duct; through the improvement to current device, the device has can effectually prevent that the phenomenon of tempering from taking place, uses safer advantage to the effectual problem and the not enough of having solved current device.

Description

Anti-backfire cutting torch

Technical Field

The utility model relates to a metal welding and cutting instrument technical field, more specifically the theory that says so especially relates to an anti-backfire cutting torch.

Background

The jet-suction type cutting torch is a tool for generating gas flame, transferring and adjusting cutting heat energy, the structure of the cutting torch influences the speed and quality of gas cutting, oxygen cutting is a metal hot cutting method commonly used by various industrial departments, particularly manual oxygen cutting is flexible and convenient to use, and the oxygen cutting method is an indispensable technological method in the work of scattered blanking, waste material disintegration, installation and dismantling of factories.

When the tempering phenomenon occurs in the process of using the cutting torch, the tempering can be returned to the gas bottle to cause the explosion of the gas bottle, so that once the tempering occurs, the temperature of a mixed gas pipe of the cutting torch can be immediately raised, the mixed pipe is fused and exploded, the hand of an operator can be burnt, and compared with the condition, the tempering phenomenon is very easy to occur.

In view of the above, the present invention provides an anti-flashback cutting torch, which is developed to solve the problems and improve the practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-backfire cutting torch, in order to solve the use cutting torch in-process that proposes among the above-mentioned background art when taking place the tempering phenomenon, thereby this kind of tempering will go back to the explosion that the gas bottle arouses the gas bottle, consequently in case take place the tempering, the gas mixture pipe temperature of this kind of cutting torch can rise at once, so that the fusing explosion of hybrid tube department, operator's hand can receive the firing, it is more dangerous than the above-mentioned condition, still can arouse the handle portion explosion that has the valve of adjusting the gas or adjusting oxygen, easily cause the problem and the not enough of serious injury to the operator.

In order to achieve the purpose, the utility model provides an anti-backfire cutting torch, which is achieved by the following specific technical means:

an anti-flashback cutting torch comprising: the cutting torch comprises a cutting torch, a cutting torch joint, a cutting torch nut, a mixed gas pipe, an injection and suction pipe, a copper pipe, a middle main body, an injection and suction pipe nut, an oxygen pipe, a rear main body, a gas guide pipe and a handle; the cutting torch is arranged on the lower side of the cutting torch joint, and the cutting torch is connected with the cutting torch joint through a cutting torch nut; the mixed gas pipe is arranged on one side of the cutting nozzle joint and is connected with the injection and suction pipe; the copper pipe is arranged at the front end of the injection and suction pipe and is connected with the injection and suction pipe in a welding mode; the middle main body is arranged at the rear side of the injection and suction pipe and is connected with the injection and suction pipe through an injection and suction pipe nut; the oxygen pipe is arranged on one side of the cutting torch joint and is connected with the middle main body; the rear main body is arranged on the rear side of the middle main body, and the rear main body is connected with the middle main body through an air duct; the handle is arranged on the periphery of the air guide pipe.

As the further optimization of the technical proposal, the specification of the copper pipe of the anti-backfire cutting torch of the utility model is phi 5X117 mm.

As a further optimization of the technical proposal, the utility model relates to an anti-backfire cutting torch the cutting nozzle is a quincunx air outlet.

As a further optimization of the technical proposal, the utility model relates to an anti-backfire cutting torch the inner aperture of the injection straw is in a ladder-shaped structure.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model relates to an anti-backfire cutting torch changes into the echelonment hole through the toper hole that penetrates the straw with the tradition, and is in the front end welding copper pipe that penetrates the straw, and the copper pipe diameter is less than the mixed gas pipe's diameter, and this kind of penetrates the straw structure and has the mixed gas velocity of flow faster under equal pressure, can effectually prevent that the tempering phenomenon from taking place, uses safelyr.

2. The utility model discloses an improvement to current device has can effectually prevent that the tempering phenomenon from taking place, uses safer advantage to effectual solution the utility model discloses the problem of proposing in the background art is with not enough.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the straw of the present invention;

fig. 3 is a schematic structural diagram of the device before improvement.

In the figure: the cutting torch comprises a cutting torch 1, a cutting torch joint 2, a cutting torch nut 3, a mixed gas pipe 4, an injection and suction pipe 5, a copper pipe 6, a middle main body 7, an injection and suction pipe nut 8, an oxygen pipe 9, a rear main body 10, an air guide pipe 11 and a handle 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

It is to be noted that, in the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and 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 thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, the present invention provides a specific technical embodiment of an anti-flashback cutting torch:

an anti-flashback cutting torch comprising: the cutting torch comprises a cutting torch 1, a cutting torch joint 2, a cutting torch nut 3, a mixed gas pipe 4, an injection and suction pipe 5, a copper pipe 6, a middle main body 7, an injection and suction pipe nut 8, an oxygen pipe 9, a rear main body 10, a gas guide pipe 11 and a handle 12; the cutting torch 1 is arranged at the lower side of the cutting torch joint 2, and the cutting torch 1 is connected with the cutting torch joint 2 through a cutting torch nut 3; the mixed gas pipe 4 is arranged at one side of the cutting nozzle joint 2, and the mixed gas pipe 4 is connected with the injection and suction pipe 5; the copper pipe 6 is arranged at the front end of the injection and suction pipe 5, and the copper pipe 6 is connected with the injection and suction pipe 5 in a welding mode; the middle main body 7 is arranged at the rear side of the injection and suction pipe 5, and the middle main body 7 is connected with the injection and suction pipe 5 through an injection and suction pipe nut 8; the oxygen pipe 9 is arranged on one side of the cutting torch joint 2, and the oxygen pipe 9 is connected with the middle main body 7; the rear main body 10 is arranged at the rear side of the middle main body 7, and the rear main body 10 is connected with the middle main body 7 through an air duct 11; the handle 12 is provided at the periphery of the airway tube 11.

Specifically, the specification of the copper tube 6 is Φ 5X117mm, which is beneficial to increasing the gas flow rate.

Specifically, the cutting nozzle 1 is a quincunx air outlet, so that the air is mixed more uniformly.

Specifically, the inner aperture of the injection and suction pipe 5 is of a step-shaped structure, which is beneficial to improving the flow rate of gas.

The method comprises the following specific implementation steps:

when the device is used, the high-speed mixed gas is continuously output through the injection and suction pipe 5 with the stepped inner hole and the copper pipe 6, and the air outlet of the cutting nozzle 1 is in a plum blossom shape, so that the mixed gas is ensured to be mixed more uniformly, the air flow speed is high, and the tempering phenomenon can be effectively prevented.

In summary, the following steps: this anti-backfire cutting torch, the toper hole that penetrates the straw with the tradition changes into the echelonment hole, and a front end welding department copper pipe at penetrating the straw, the copper pipe diameter is less than the diameter of mixing gas pipe, has the gas mixture velocity of flow faster under equal pressure, can effectually prevent that the tempering phenomenon from taking place, it is safer to use, when having solved in the use cutting torch in-process tempering phenomenon, thereby this kind of tempering will be gone back into the gas bottle and arouse the explosion of gas bottle, consequently in case take place the tempering, the mixing gas pipe temperature of this kind of cutting torch can rise immediately, so that mixing pipe department fusing explosion, operator's hand can receive the firing, more dangerous than above-mentioned condition, still can arouse the handle portion explosion that has the valve of adjusting gas or adjusting oxygen, easily cause the problem of serious injury to the operator.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-flashback cutting torch comprising: the cutting torch comprises a cutting torch (1), a cutting torch joint (2), a cutting torch nut (3), a mixed gas pipe (4), an injection and suction pipe (5), a copper pipe (6), a middle main body (7), an injection and suction pipe nut (8), an oxygen pipe (9), a rear main body (10), a gas guide pipe (11) and a handle (12); the method is characterized in that: the cutting torch (1) is arranged on the lower side of the cutting torch joint (2), and the cutting torch (1) is connected with the cutting torch joint (2) through a cutting torch nut (3); the mixed gas pipe (4) is arranged on one side of the cutting nozzle joint (2), and the mixed gas pipe (4) is connected with the injection and suction pipe (5); the copper pipe (6) is arranged at the front end of the injection and suction pipe (5), and the copper pipe (6) is connected with the injection and suction pipe (5) in a welding mode; the middle body (7) is arranged at the rear side of the injection and suction pipe (5), and the middle body (7) is connected with the injection and suction pipe (5) through an injection and suction pipe nut (8); the oxygen pipe (9) is arranged on one side of the cutting torch joint (2), and the oxygen pipe (9) is connected with the middle main body (7); the rear main body (10) is arranged at the rear side of the middle main body (7), and the rear main body (10) is connected with the middle main body (7) through an air duct (11); the handle (12) is arranged on the periphery of the air duct (11); the inner aperture of the injection and suction pipe (5) is of a step-shaped structure; the specification of the copper pipe (6) is phi 5X117 mm.

2. The temper resistant torch of claim 1, wherein: the cutting nozzle (1) is a quincunx air outlet.