CN213955301U

CN213955301U - Explosion-proof anti-backfire cutting torch

Info

Publication number: CN213955301U
Application number: CN202022886287.6U
Authority: CN
Inventors: 张叶锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-08-13
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses an explosion-proof tempering-resistant cutting torch, which comprises a tail part, wherein one side of the tail part is fixedly connected with a middle part, the upper end of the middle part is movably connected with a combustion-supporting oxygen valve, one side of the middle part is fixedly connected with an anti-backfire device, the anti-backfire device consists of an outer channel, a shell, a first step, a bell mouth, a transition channel and a second step, an outer channel is arranged in the shell, a transition channel is arranged on one side of the outer channel, a bell mouth is arranged on one side of the transition channel, the outer side of the shell is fixedly connected with a first step and a second step, the second step is positioned at one side of the first step, one end of the anti-backfire device is fixedly connected with the acetylene pipe, the utility model is provided with the anti-backfire device, therefore, the anti-explosion and anti-tempering cutting torch has good anti-explosion and anti-tempering effects, and the service life of the cutting torch is greatly prolonged.

Description

Explosion-proof anti-backfire cutting torch

Technical Field

The utility model relates to a cutting torch technical field specifically is an explosion-proof anti-backfire cutting torch.

Background

The gas cutting torch is a main tool for cutting workpieces by gas, when the gas cutting torch is used for cutting metals, oxygen and acetylene are mixed in proportion to form preheating flame, high-pressure pure oxygen is sprayed onto the cut workpieces, and the oxygen jet blows away slag to form a cutting seam.

However, the existing cutting torch is easy to cause backfire, thereby causing explosion and greatly reducing the service life of the cutting torch. To this end, we propose an explosion-proof temper resistant torch.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof anti-backfire cutting torch to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof tempering-resistant cutting torch comprises a tail part, wherein one side of the tail part is fixedly connected with a middle part, the upper end of the middle part is movably connected with a combustion-supporting oxygen valve, one side of the middle part is fixedly connected with a tempering-resistant device, the tempering-resistant device consists of an outer channel, a shell, a first step, a horn mouth, a transition channel and a second step, the inner part of the shell is provided with the outer channel, one side of the outer channel is provided with the transition channel, one side of the transition channel is provided with the horn mouth, the outer side of the shell is fixedly connected with the first step and the second step, the second step is positioned at one side of the first step, one end of the tempering-resistant device is fixedly connected with an acetylene pipe, an oxygen pipe is arranged above the acetylene pipe, one end of the oxygen pipe is fixedly connected with the middle part, the other end of the oxygen pipe is fixedly connected, the lower end of the head is detachably connected with a cutting torch nut, and the lower end of the cutting torch nut is detachably connected with a cutting torch.

Preferably, one side of the tail part is fixedly connected with an acetylene inlet pipe and an oxygen inlet pipe, and the oxygen inlet pipe is positioned on one side of the acetylene inlet pipe.

Preferably, the first step and the second step are both nut-shaped structures.

Preferably, two ends of the transition channel are respectively communicated with the bell mouth and the outer channel.

Preferably, the outer side of the tail part is provided with anti-skid lines.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be provided with anti-backfire ware to make anti-explosion anti-backfire cutting torch possess fine anti-explosion anti-backfire effect, great extension its life.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is the schematic view of the structure of the tempering preventing device of the present invention.

In the figure: 1. a tail portion; 2. an acetylene inlet pipe; 3. an oxygen inlet pipe; 4. a combustion-supporting oxygen valve; 5. a middle part; 6. an oxygen tube; 7. a head portion; 8. cutting a nozzle nut; 9. cutting a nozzle; 10. an acetylene tube; 11. a backfire preventer; 12. an outer channel; 13. a housing; 14. a first step; 15. a bell mouth; 16. a transition passage; 17. a second step.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Referring to fig. 1-2, the present invention provides a technical solution: an explosion-proof tempering-resistant cutting torch comprises a tail part 1, wherein one side of the tail part 1 is fixedly connected with a middle part 5, the upper end of the middle part 5 is movably connected with a combustion-supporting oxygen valve 4, one side of the middle part 5 is fixedly connected with a tempering-resistant device 11, the tempering-resistant device 11 consists of an outer channel 12, a shell 13, a first step 14, a bell mouth 15, a transition channel 16 and a second step 17, the inner part of the shell 13 is provided with the outer channel 12, one side of the outer channel 12 is provided with the transition channel 16, one side of the transition channel 16 is provided with the bell mouth 15, the outer side of the shell 13 is fixedly connected with the first step 14 and the second step 17, the second step 17 is positioned at one side of the first step 14, one end of the tempering-resistant device 11 is fixedly connected with an acetylene pipe 10, an oxygen pipe 6 is arranged above the acetylene pipe 10, one end of the oxygen pipe 6 is fixedly connected with the middle part 5, the other end of the oxygen tube 6 is fixedly connected with a head part 7, the other end of the acetylene tube 10 is fixedly connected with the head part 7, the lower end of the head part 7 is detachably connected with a cutting torch nut 8, and the lower end of the cutting torch nut 8 is detachably connected with a cutting torch 9;

one side fixedly connected with acetylene of afterbody 1 advances pipe 2 and advances oxygen pipe 3, advance oxygen pipe 3 and be located one side that acetylene advances pipe 2, made things convenient for the entering of acetylene and oxygen, first step 14 and second step 17 are nut shape structure, play the effect of nut, gaseous circulation has been guaranteed in horn mouth 15 and outer passageway 12 intercommunication respectively at transition channel 16's both ends, the outside of afterbody 1 is provided with anti-skidding line, has improved anti-skidding effect.

Specifically, during the use, through being provided with anti-backfire ware 11 to make anti-explosion anti-backfire cutting torch possess fine anti-explosion anti-backfire effect, great extension its life.

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 explosion-proof tempering-resistant cutting torch comprises a tail part (1), and is characterized in that: one side of the tail part (1) is fixedly connected with a middle part (5), the upper end of the middle part (5) is movably connected with a combustion-supporting oxygen valve (4), one side of the middle part (5) is fixedly connected with an anti-backfire device (11), the anti-backfire device (11) consists of an outer channel (12), a shell (13), a first step (14), a bell mouth (15), a transition channel (16) and a second step (17), the outer channel (12) is arranged inside the shell (13), the transition channel (16) is arranged on one side of the outer channel (12), the bell mouth (15) is arranged on one side of the transition channel (16), the first step (14) and the second step (17) are fixedly connected to the outer side of the shell (13), the second step (17) is positioned on one side of the first step (14), one end of the anti-backfire device (11) is fixedly connected with an acetylene pipe (10), acetylene pipe (10) top is provided with oxygen hose (6), the one end and middle part (5) fixed connection of oxygen hose (6), the other end fixedly connected with head (7) of oxygen hose (6), the other end and head (7) fixed connection of acetylene pipe (10), the lower extreme of head (7) can be dismantled and be connected with cutting torch nut (8), the lower extreme of cutting torch nut (8) can be dismantled and be connected with cutting torch (9).

2. An explosion and temper resistant cutting torch as set forth in claim 1, wherein: one side fixedly connected with acetylene of afterbody (1) advances pipe (2) and advances oxygen pipe (3), advance oxygen pipe (3) and be located one side that acetylene advances pipe (2).

3. An explosion and temper resistant cutting torch as set forth in claim 1, wherein: the first step (14) and the second step (17) are both nut-shaped structures.

4. An explosion and temper resistant cutting torch as set forth in claim 1, wherein: and two ends of the transition channel (16) are respectively communicated with the bell mouth (15) and the outer channel (12).

5. An explosion and temper resistant cutting torch as set forth in claim 1, wherein: the outer side of the tail part (1) is provided with anti-skid lines.