CN212761643U - Novel cutting torch - Google Patents
Novel cutting torch Download PDFInfo
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- CN212761643U CN212761643U CN202020947920.5U CN202020947920U CN212761643U CN 212761643 U CN212761643 U CN 212761643U CN 202020947920 U CN202020947920 U CN 202020947920U CN 212761643 U CN212761643 U CN 212761643U
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Abstract
The utility model discloses a novel cutting torch, which comprises a main body, a cutting torch, an oxygen pipe and a gas pipe, wherein the oxygen pipe and the gas pipe are connected with the main body and the cutting torch; the utility model provides a novel cutting torch, through setting up the blender subassembly and set up the gas inlet port on blender C spare in the gas pipe, the inside pipe diameter of gas inlet port position blender C spare is less than the inside pipe diameter at blender C spare both ends, make preheating oxygen because the inside pipe diameter narrows when passing through blender C spare, pressure increase, thereby produce stronger suction, pass through the gas inlet port with the intraductal acetylene of gas and inhale in blender C spare with preheating oxygen emergence mixing, acetylene and preheating oxygen mix at the front end of gas pipe, the transmission distance of mist has been reduced, the most advanced advantage of anti tempering has, the security is very high.
Description
Technical Field
The utility model relates to a cutting means technical field especially relates to a novel cutting torch.
Background
Gas cutting is an indispensable process for steel gas cutting, and is used from 50 years to the present, and common gas cutting tools comprise an injection type cutting torch and an equal pressure type cutting torch. The isobaric cutting torch adopts the mode of single gas air feed, has the advantage of high security naturally, but oxygen and gas adopt the mode of direct mixing, and the air feed pressure difference of two kinds of gases is great, during the mixing, is difficult for adjusting suitable ratio, and the processing requirement of isobaric cutting torch and cutting torch is high simultaneously, and use cost is high. The jet-suction type cutting torch is designed for solving the problem that two fluids with pressure difference are difficult to mix, but the traditional jet-suction type cutting torch adopts a long-distance transmission structure formed by mixing oxygen and fuel gas, and has the defects of being easiest to temper and low in safety.
Therefore, there is a need for further research and practice of the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the technical problem that a most advanced novel cutting torch is provided, reduces the transmission distance of mist, has the advantage of anti-backfire, and the security is very high.
(II) technical scheme
The utility model provides a technical scheme that above-mentioned problem adopted is:
a novel cutting torch comprises a main body, a cutting torch, an oxygen pipe and a fuel gas pipe, wherein the oxygen pipe and the fuel gas pipe are used for connecting the main body and the cutting torch;
the mixer assembly comprises a mixer A, a mixer B, a mixer C and a mixer D which are connected in sequence, wherein a gas inlet hole is formed in the mixer C, and the inner diameter of the pipe of the mixer C at the position of the gas inlet hole is smaller than that of the pipe at the two ends of the mixer C;
and a channel through which the fuel gas can pass is reserved between the outer wall of the mixer assembly and the inner wall of the fuel gas pipe.
In the technical scheme, the oxygen pipe is a high-pressure cutting oxygen pipe, and the gas pipe is a low-pressure acetylene pipe; the preheating oxygen passes through the mixer assembly, the inner diameter of the pipe of the mixer C piece at the position of the gas inlet hole is smaller than the inner diameters of the pipes at the two ends of the mixer C piece, so that the preheating oxygen passes through the mixer C piece, the inner diameter of the pipe is narrowed, the pressure is increased, stronger suction force is generated, the acetylene gas in the low-pressure acetylene pipe is attracted, the acetylene enters the mixer C piece through the gas inlet hole in the mixer C piece and is mixed with the preheating oxygen to enter the mixer D piece, and the mixed gas finally enters the cutting nozzle through the mixer D piece, so that ignition operation can be performed. Through setting up the blender subassembly and set up the gas inlet port on blender C spare, reduced mist's transmission distance, had the most advanced advantage of anti tempering, the security is very high.
Furthermore, a main body air inlet is formed in one side of the main body, a main body first air outlet and a main body second air outlet are arranged in parallel in the other side of the main body, and the main body first air outlet and the main body air inlet are arranged oppositely; the first gas outlet of the main body is connected with the oxygen pipe, and the second gas outlet of the main body is connected with the fuel gas pipe.
In the technical scheme, oxygen enters through a main body air inlet and is divided into cutting oxygen and preheating oxygen, the cutting oxygen enters an oxygen pipe through a main body first air outlet, and the preheating oxygen enters a mixer assembly inside a gas pipe through a main body second air outlet; acetylene enters the main body through the main body air inlet and enters the gas pipe outside the mixer assembly through the main body second air outlet.
Further, a main body oxygen channel and a main body fuel gas channel are arranged in the main body; the main body oxygen channel is divided into a cutting oxygen channel and a preheating oxygen channel, and the cutting oxygen channel and one end of the preheating oxygen channel, which is close to the main body air inlet, are intersected and communicated with the main body air inlet; the other end of the cutting oxygen channel is communicated with a first air outlet of the main body, and the other end of the preheating oxygen channel is communicated with a second air outlet of the main body;
one end of the main body gas channel is communicated with the main body gas inlet, and the other end of the main body gas channel is communicated with the main body second gas outlet.
In the technical scheme, oxygen enters the main body through the main body air inlet and is divided into cutting oxygen and preheating oxygen, the cutting oxygen passes through the cutting oxygen channel and exits from the first air outlet of the main body, and the preheating oxygen passes through the preheating oxygen channel and exits from the second air outlet of the main body; acetylene enters the main body through the main body air inlet and goes out of the main body second air outlet through the main body fuel gas channel.
Further, the main body air inlet is connected with a handle, and the handle comprises a handle air inlet and a handle air outlet; the handle air inlet is connected with a tail connecting piece, and the handle air outlet is connected with the main body air inlet; an oxygen pipe joint installation part and a gas pipe joint installation part are arranged at one end of the tail connecting piece, which is far away from the air inlet of the handle; the oxygen pipe joint installation part is connected with an oxygen pipe joint, and the gas pipe joint installation part is connected with a gas pipe joint.
In the technical scheme, oxygen enters through the oxygen pipe joint, passes through the tail connecting piece, enters through the handle air inlet and exits from the handle air outlet; acetylene enters through the gas pipe joint, passes through the tail connecting piece, enters through the handle gas inlet and exits from the handle gas outlet.
Further, a handle oxygen channel and a handle gas channel are arranged in the handle in parallel, one end of the handle oxygen channel is communicated with the oxygen pipe joint through the tail connecting piece, and the other end of the handle oxygen channel is communicated with the main body oxygen channel; one end of the handle gas channel is communicated with the gas pipe joint through the tail connecting piece, and the other end of the handle gas channel is communicated with the main body gas channel.
In the technical scheme, oxygen enters through the oxygen pipe joint and enters the main body oxygen channel through the tail connecting piece and the handle oxygen channel; acetylene enters the main body fuel gas channel through the fuel gas pipe joint and the tail connecting piece and the handle fuel gas channel.
Further, one side of the gas pipe installation part on the tail connecting piece is provided with a gas regulating valve.
Among the above-mentioned technical scheme, through the gaseous flow of gas governing valve control acetylene.
Further, a cutting oxygen regulating valve is arranged on the main body corresponding to the cutting oxygen channel;
and a preheating oxygen regulating valve is arranged on the main body opposite to the second air outlet of the main body.
Among the above-mentioned technical scheme, through the flow of cutting oxygen governing valve control cutting oxygen gas, through the flow of preheating oxygen governing valve control preheating oxygen gas.
Further, the mixer A is arranged in the second air outlet of the main body, one end of the mixer B extends into the second air outlet of the main body and is connected with the mixer A, the other end of the mixer B is connected with one end of the mixer C, the other end of the mixer C is connected with one end of the mixer D, and the other end of the mixer D extends into the cutting nozzle;
the mixer C is far away from the main body and close to the cutting nozzle.
Further, blender C outer wall with blender D spare hookup location is provided with the external screw thread, be provided with on the inner wall of blender D spare with external screw thread assorted internal thread, blender C spare with blender D spare is threaded connection.
(III) advantageous effects
Compared with the prior art, the technical scheme of the utility model have following advantage:
(1) the novel cutting torch provided by the utility model has the advantages that the mixer assembly is arranged in the gas pipe, and the gas inlet hole is arranged on the mixer C piece, so that acetylene and preheated oxygen are mixed at the front end of the gas pipe, the transmission distance of mixed gas is reduced, the novel cutting torch has the most advanced advantage of tempering resistance, and the safety is extremely high;
(2) the utility model provides a novel cutting torch, the pipe internal diameter of gas inlet hole position mixer C spare is less than the pipe internal diameter at mixer C spare both ends for preheat oxygen because the pipe internal diameter narrows when passing through mixer C spare, pressure increase, thereby produce stronger suction, pass through the gas inlet hole with the intraductal acetylene of gas and inhale in the mixer C spare with preheat oxygen and take place to mix.
Drawings
Fig. 1 is a schematic structural diagram of an exploded state of the embodiment of the present invention;
FIG. 2 is a sectional view of the embodiment of the present invention in a combined state;
fig. 3 is a schematic structural diagram of a mixer C according to an embodiment of the present invention.
Wherein: 1 is a main body, 11 is a main body air inlet, 12 is a main body first air outlet, 13 is a main body second air outlet, 14 is a cutting oxygen regulating valve, 15 is a preheating oxygen regulating valve, 100 is a main body oxygen channel, 101 is a cutting oxygen channel, 102 is a preheating oxygen channel, 103 is a main body gas channel, 2 is a cutting nozzle, 3 is an oxygen pipe, 4 is a gas pipe, 5 is a mixer assembly, 51 is a mixer A piece, 52 is a mixer B piece, 53 is a mixer C piece, 531 is a gas inlet hole, 54 is a mixer D piece, 6 is a handle, 61 is a handle air inlet, 62 is a handle air outlet, 601 is a handle oxygen channel, 602 is a handle gas channel, 7 is a tail connecting piece, 71 is an oxygen pipe joint mounting part, 72 is a gas pipe joint mounting part, 73 is a gas regulating valve, 8 is an oxygen pipe joint, and 9 is a gas pipe joint.
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.
Examples
A novel cutting torch as shown in fig. 1-3, comprising a main body 1, a cutting torch 2, and an oxygen pipe 3 and a gas pipe 4 connecting the main body 1 and the cutting torch 2, wherein a mixer assembly 5 is arranged in the gas pipe 4, one end of the mixer assembly 5 is connected with the main body 1, and the other end of the mixer assembly 5 is connected with the cutting torch 2; the mixer assembly 5 comprises a mixer A piece 51, a mixer B piece 52, a mixer C piece 53 and a mixer D piece 54 which are connected in sequence, the mixer A piece 51 is arranged in the second air outlet 13 of the main body, one end of the mixer B piece 52 extends into the second air outlet 13 of the main body and is connected with the mixer A piece 51, the other end of the mixer B piece 52 is connected with one end of the mixer C piece 53, the other end of the mixer C piece 53 is connected with one end of the mixer D piece 54, and the other end of the mixer D piece 54 extends into the cutting nozzle 2; the mixer C piece 53 is far away from the main body 1 and close to the cutting nozzle 2, an external thread is arranged at the connecting position of the outer wall of the mixer C piece 53 and the mixer D piece 54, an internal thread matched with the external thread is arranged on the inner wall of the mixer D piece 54, and the mixer C piece 53 is in threaded connection with the mixer D piece 54; a gas inlet hole 531 is formed in the mixer C piece 53, and the inner diameter of the pipe of the mixer C piece 53 at the position of the gas inlet hole 531 is smaller than the inner diameters of the pipes at two ends of the mixer C piece 53; a channel through which the fuel gas can pass is reserved between the outer wall of the mixer assembly 5 and the inner wall of the fuel gas pipe 4; the oxygen pipe 3 is a high-pressure cutting oxygen pipe, and the gas pipe 4 is a low-pressure acetylene pipe; the preheated oxygen passes through the mixer component 5, because the pipe inner diameter of the mixer C part 53 at the position of the gas inlet hole 531 is smaller than the pipe inner diameters at the two ends of the mixer C part 53, the preheated oxygen is enabled to generate stronger suction force due to the narrowing of the pipe inner diameter and the increase of the pressure when passing through the mixer C part 53, the acetylene gas in the low-pressure acetylene pipe is attracted, the acetylene enters the mixer C part 53 through the gas inlet hole 531 on the mixer C part 53 and is mixed with the preheated oxygen to enter the mixer D part 54, and the mixed gas finally enters the nozzle of the cutting nozzle 2 through the mixer D part 54, so that the ignition operation can be realized. Through setting up blender subassembly 5 and setting up gas inlet 531 on blender C piece 53, reduced the transmission distance of mist, had the most advanced advantage of anti-backfire, the security is super high.
A main body air inlet 11 is formed in one side of the main body 1, a main body first air outlet 12 and a main body second air outlet 13 are arranged in parallel on the other side of the main body 1, and the main body first air outlet 12 and the main body air inlet 11 are arranged oppositely; the first main body air outlet 12 is connected with the oxygen pipe 3, the second main body air outlet 13 is connected with the gas pipe 4, oxygen enters through the main body air inlet 11 and is divided into cutting oxygen and preheating oxygen, the cutting oxygen enters the oxygen pipe 3 through the first main body air outlet 12, and the preheating oxygen enters the mixer assembly 5 inside the gas pipe 4 through the second main body air outlet 13; acetylene enters the body through a body inlet 11 and enters the gas pipe 4 outside the mixer assembly 5 through a body second outlet 13.
A main body oxygen channel 100 and a main body fuel gas channel 103 are arranged in the main body 1; the main body oxygen passage 100 is divided into a cutting oxygen passage 101 and a preheating oxygen passage 102, and the cutting oxygen passage 101 and one end of the preheating oxygen passage 102 close to the main body air inlet 11 are intersected and communicated with the main body air inlet 11; the other end of the cutting oxygen channel 101 is communicated with the first outlet 12 of the main body, and the other end of the preheating oxygen channel 102 is communicated with the second outlet 13 of the main body; one end of the main body gas channel 103 is communicated with the main body gas inlet 11, and the other end of the main body gas channel 103 is communicated with the main body second gas outlet 13; oxygen enters the main body 1 through the main body air inlet 11 and is divided into cutting oxygen and preheating oxygen, wherein the cutting oxygen exits from the main body first air outlet 12 through the cutting oxygen channel 101, and the preheating oxygen exits from the main body second air outlet 13 through the preheating oxygen channel 102; acetylene enters the body 1 through the body gas inlet 11 and exits the body second gas outlet 13 through the body gas passage 103.
The main body air inlet 11 is connected with a handle 6, and the handle 6 comprises a handle air inlet 61 and a handle air outlet 62; the handle air inlet 61 is connected with the tail connecting piece 7, and the handle air outlet 62 is connected with the main body air inlet 11; an oxygen pipe joint mounting part 71 and a gas pipe joint mounting part 72 are arranged at one end of the tail connecting piece 7, which is far away from the handle air inlet 61; the oxygen pipe joint installation part 71 is connected with an oxygen pipe joint 8, and the gas pipe joint installation part 72 is connected with a gas pipe joint 9; oxygen enters through the oxygen pipe joint 8, passes through the tail connecting piece 7, enters through the handle air inlet 61 and exits from the handle air outlet 62; acetylene enters through the gas pipe joint 9, passes through the tail connecting piece 7, enters through the handle gas inlet 61, and exits from the handle gas outlet 62.
A handle oxygen channel 601 and a handle gas channel 602 are arranged in the handle 6 in parallel, one end of the handle oxygen channel 601 is communicated with the oxygen pipe joint 8 through the tail connecting piece 7, and the other end of the handle oxygen channel 601 is communicated with the main body oxygen channel 100; one end of the handle gas channel 602 is communicated with the gas pipe joint 9 through the tail connecting piece 7, and the other end of the handle gas channel 602 is communicated with the main body gas channel 103; oxygen enters through the oxygen pipe joint 8 and enters the main body oxygen channel 100 through the tail connecting piece 7 and the handle oxygen channel 601; acetylene enters through gas line connector 9 through aft connection 7 and handle gas passage 602 into body gas passage 103.
A gas regulating valve 73 is arranged on one side of the gas pipe joint mounting part 72 on the tail connecting piece 7, and the flow of acetylene gas is controlled through the gas regulating valve 73; a cutting oxygen regulating valve 14 is arranged on the main body 1 corresponding to the cutting oxygen channel 101, and a preheating oxygen regulating valve 15 is arranged on the main body 1 opposite to the second air outlet 13 of the main body; the flow rate of the cutting oxygen gas is controlled by the cutting oxygen regulating valve 14, and the flow rate of the preheating oxygen gas is controlled by the preheating oxygen regulating valve 15.
The utility model discloses at the during operation, at first open gas governing valve 73, make acetylene get into through the burner joint, loop through end connection 7, handle 6 and main part 1, get into gas pipe 4 through main part second gas outlet 13, simultaneously, open preheating oxygen governing valve 15, make preheating oxygen get into mixer subassembly 5 through main part second gas outlet 13, preheating oxygen is when passing through mixer C53, because the pipe internal diameter of gas inlet 531 position mixer C53 is less than the pipe internal diameter at mixer C53 both ends, make preheating oxygen narrow down because the pipe internal diameter when passing through mixer C53, pressure increases, thereby produce stronger suction, inhale the acetylene in gas pipe 4 through gas inlet 531 in mixer C53 and mix with preheating oxygen, the mixed gas gets into to light in cutting nozzle 2 through mixer D54 and erupts flame, open cutting oxygen governing valve 14 again at last, cutting oxygen enters the oxygen pipe 3 through the first gas outlet 12 of the main body and finally reaches the cutting nozzle 2 to be further mixed with the mixed gas, so that flame combustion is more sufficient.
The utility model provides a novel cutting torch, through setting up the blender subassembly and set up the gas inlet port on blender C spare in the gas pipe, the inside pipe diameter of gas inlet port position blender C spare is less than the inside pipe diameter at blender C spare both ends, make preheating oxygen because the inside pipe diameter narrows when passing through blender C spare, pressure increase, thereby produce stronger suction, pass through the gas inlet port with the intraductal acetylene of gas and inhale in blender C spare with preheating oxygen emergence mixing, acetylene and preheating oxygen mix at the front end of gas pipe, the transmission distance of mist has been reduced, the most advanced advantage of anti tempering has, the security is very high.
As described above, the above embodiments are not limiting embodiments of the present invention, and modifications or equivalent variations made by those skilled in the art based on the substance of the present invention are within the technical scope of the present invention.
Claims (9)
1. A novel cutting torch comprises a main body (1), a cutting nozzle (2), an oxygen pipe (3) and a fuel gas pipe (4) which are connected with the main body (1) and the cutting nozzle (2), and is characterized in that a mixer assembly (5) is arranged in the fuel gas pipe (4), one end of the mixer assembly (5) is connected with the main body (1), and the other end of the mixer assembly (5) is connected with the cutting nozzle (2);
the mixer assembly (5) comprises a mixer A piece (51), a mixer B piece (52), a mixer C piece (53) and a mixer D piece (54) which are connected in sequence, a gas inlet hole (531) is formed in the mixer C piece (53), and the inner diameter of the pipe of the mixer C piece (53) at the position of the gas inlet hole (531) is smaller than the inner diameters of the pipes at two ends of the mixer C piece (53);
a channel through which the fuel gas can pass is reserved between the outer wall of the mixer assembly (5) and the inner wall of the fuel gas pipe (4).
2. The novel cutting torch according to claim 1, wherein a main body air inlet (11) is arranged on one side of the main body (1), a main body first air outlet (12) and a main body second air outlet (13) are arranged on the other side of the main body (1) in parallel, and the main body first air outlet (12) is opposite to the main body air inlet (11); the first gas outlet (12) of the main body is connected with the oxygen pipe (3), and the second gas outlet (13) of the main body is connected with the fuel gas pipe (4).
3. A new cutting torch according to claim 2, characterized in that a body oxygen channel (100) and a body gas channel (103) are provided in the body (1); the main body oxygen channel (100) is divided into a cutting oxygen channel (101) and a preheating oxygen channel (102), and the cutting oxygen channel (101) and one end, close to the main body air inlet (11), of the preheating oxygen channel (102) are intersected and communicated with the main body air inlet (11); the other end of the cutting oxygen channel (101) is communicated with the first gas outlet (12) of the main body, and the other end of the preheating oxygen channel (102) is communicated with the second gas outlet (13) of the main body;
one end of the main body gas channel (103) is communicated with the main body gas inlet (11), and the other end of the main body gas channel (103) is communicated with the main body second gas outlet (13).
4. A new cutting torch according to claim 3, characterized in that the body inlet (11) is connected with a handle (6), the handle (6) comprises a handle inlet (61) and a handle outlet (62); the handle air inlet (61) is connected with a tail connecting piece (7), and the handle air outlet (62) is connected with the main body air inlet (11); an oxygen pipe joint installation part (71) and a fuel gas pipe joint installation part (72) are arranged at one end, far away from the handle air inlet (61), of the tail connecting piece (7); oxygen hose nipple installation department (71) is connected with oxygen pipe joint (8), gas pipe joint installation department (72) is connected with gas pipe joint (9).
5. A novel cutting torch as claimed in claim 4, characterized in that a handle oxygen channel (601) and a handle gas channel (602) are arranged in parallel in the handle (6), one end of the handle oxygen channel (601) is communicated with the oxygen pipe joint (8) through the tail connecting piece (7), and the other end of the handle oxygen channel (601) is communicated with the main body oxygen channel (100); one end of the handle gas channel (602) is communicated with the gas pipe joint (9) through the tail connecting piece (7), and the other end of the handle gas channel (602) is communicated with the main body gas channel (103).
6. A novel cutting torch according to claim 5, characterized in that a gas regulating valve (73) is provided on one side of the gas pipe joint mounting part (72) on the tail connector (7).
7. A novel cutting torch according to claim 3, characterized in that a cutting oxygen regulating valve (14) is arranged on the main body (1) corresponding to the cutting oxygen channel (101);
and a preheating oxygen regulating valve (15) is arranged on the main body (1) opposite to the second air outlet (13) of the main body.
8. A new cutting torch in accordance with claim 2, characterized in that the mixer a piece (51) is arranged in the second outlet (13) of the main body, one end of the mixer B piece (52) extends into the second outlet (13) of the main body and is connected with the mixer a piece (51), the other end of the mixer B piece (52) is connected with one end of the mixer C piece (53), the other end of the mixer C piece (53) is connected with one end of the mixer D piece (54), and the other end of the mixer D piece (54) extends into the cutting nozzle (2);
the mixer C-piece (53) is remote from the body (1) and close to the cutting nozzle (2).
9. The cutting torch in accordance with claim 8, wherein the outer wall of the mixer C (53) and the mixer D (54) are connected by an external thread, the inner wall of the mixer D (54) is provided with an internal thread matching with the external thread, and the mixer C (53) and the mixer D (54) are connected by a thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020947920.5U CN212761643U (en) | 2020-05-29 | 2020-05-29 | Novel cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020947920.5U CN212761643U (en) | 2020-05-29 | 2020-05-29 | Novel cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212761643U true CN212761643U (en) | 2021-03-23 |
Family
ID=75069774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020947920.5U Active CN212761643U (en) | 2020-05-29 | 2020-05-29 | Novel cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212761643U (en) |
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2020
- 2020-05-29 CN CN202020947920.5U patent/CN212761643U/en active Active
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