CN215112604U

CN215112604U - Automatic ignition system of cutting torch

Info

Publication number: CN215112604U
Application number: CN202120856601.8U
Authority: CN
Inventors: 徐慕庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-24
Filing date: 2021-04-24
Publication date: 2021-12-10
Anticipated expiration: 2031-04-24

Abstract

The application discloses automatic ignition system of burning torch, including the handle that connects gradually, burning torch body and cutting torch, the burning torch body is equipped with high-pressure oxygen pipe and gas mixture pipe, including ignition, ignition sets up in the handle, ignition includes the gas mixture branch pipe, the flame projecting head, piezoelectric ignition ware and control switch, gas mixture branch pipe and gas mixture pipe intercommunication, flame projecting head and gas mixture branch pipe intercommunication, piezoelectric ignition ware can with the flame projecting head between can discharge ignition, the flame projecting head flame projecting direction is towards the cutting torch, the break-make that can control the gas mixture branch pipe when control piezoelectric ignition ware igniteed. From this, through drawing forth the gas mixture branch pipe from the gas mixture pipe, then through discharge ignition, towards cutting torch blowout flame, and then light the cutting torch, close the gas mixture branch pipe again, accomplish the ignition, adopt piezoelectric ignition ware and control switch in addition, open the gas mixture branch pipe when can light a fire, reduction in production cost, convenient to use, structural design is more reasonable.

Description

Automatic ignition system of cutting torch

Technical Field

The utility model relates to a burning torch especially relates to an automatic ignition system of burning torch.

Background

One of the existing automatic ignition cutting guns is improved in a cutting torch, for example, the patent No. 201721389265.0, the cutting torch capable of automatically igniting in is additionally provided with a ceramic insulating part to insulate a torch core and a torch cap so as to realize ignition, but in the using process, molten metal can splash to the front end of the ceramic insulating part, so that the ignition efficiency can be influenced, and even the ignition cannot be caused.

The other is to reform a burning torch automatic ignition device as patent No. 201921984240.4, though the ignition needle is external, but the ignition needle is located the front end of the burning torch, when cutting some metals with angles, like angle iron, etc., the ignition needle can cause the hindrance, the ignition needle can touch with the metal lateral wall, and can't make the cutting torch aim at the dead angle and cut, and need be close to the object with the cutting torch when igniteing, make the gas mixture kick-back, just can ignite the fire.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic ignition system of burning torch solves one or more among the above-mentioned prior art problem.

According to the utility model discloses an aspect provides an automatic ignition system of burning torch, including the handle that connects gradually, burning torch body and cutting torch, the burning torch body is equipped with high-pressure oxygen pipe and gas mixture pipe, including ignition, ignition sets up in the handle, and ignition includes the gas mixture branch pipe, flame projecting head, piezoelectric ignition ware and control switch, gas mixture branch pipe and gas mixture pipe intercommunication, flame projecting head and gas mixture branch pipe intercommunication, piezoelectric ignition ware can with flame projecting head between can discharge and ignite, flame projecting head flame projecting direction is towards the cutting torch, can control the break-make of gas mixture branch pipe when control switch control piezoelectric ignition ware igniteed.

The utility model discloses a draw forth the gas mixture branch pipe from gas mixture pipe, then through discharge ignition, towards cutting torch blowout flame, and then light the cutting torch, close the gas mixture branch pipe again, accomplish the ignition, adopt piezoelectric ignition ware and control switch in addition, open the gas mixture branch pipe when can ignite, ignite and accomplish self-closing gas mixture branch pipe, need not independent manual switch gas mixture branch pipe, reduction in production cost, convenient to use, structural design is more reasonable.

In some embodiments: the flame-throwing head is a pagoda-shaped flame-throwing head or a needle-shaped flame-throwing head.

In some embodiments: the mixed gas pipe is communicated with a shunt pipe, the mixed gas branch pipe is communicated with the shunt pipe, and an included angle between the shunt pipe and the mixed gas pipe is an acute angle. From this, the gas mixture in the gas mixture pipe can be smooth the entering into the reposition of redundant personnel intraductal, and then enters into the gas mixture branch pipe, can provide sufficient gas mixture for the gas mixture branch pipe.

In some embodiments: the control switch comprises a support, an on-off key, a connecting rod, a rocker and an air valve, the on-off key is arranged on the support, the rocker is arranged on the support, the air valve is arranged on a mixed gas branch pipe, one end of the connecting rod is connected with a piezoelectric igniter, the other end of the connecting rod is connected with one end of the rocker, the other end of the rocker is connected with the air valve, and the on-off key drives the connecting rod to reciprocate. From this, when operation on & off switch drive piezoelectric ignition ware igniteed, drive the wane through the connecting rod and open the pneumatic valve, realize igniteing, after the ignition, release the on & off switch, piezoelectric ignition ware automatic re-setting drives the wane through the connecting rod and closes the pneumatic valve, can realize independently not needing manual switch gas mixture branch pipe to realize igniteing.

In some embodiments: the switch key comprises a key and a lever, one end of the key is hinged to the support, the lever is arranged on the support through a rotating shaft, the key is connected with one end of the lever, and the other end of the lever is connected with the connecting rod. From this, the on-off switch sets to the button of push type, installs on the handle, when pressing the button, drives piezoelectric ignition ware ignition through the lever for structural design is reasonable, and it is more convenient to use.

In some embodiments: one end of the lever connected with the connecting rod is of a hook-shaped structure. From this, can convert the power perpendicular with piezoelectric igniter into with the horizontal power of piezoelectric igniter for the structure is more reasonable, and it is more convenient to use.

In some embodiments: the gas mixture branch pipe comprises a gas inlet hose, a gas outlet hose and a metal pipe, one end of the gas inlet hose is connected with the gas mixture pipe, the other end of the gas inlet hose is connected with the inlet of the gas valve, one end of the gas outlet hose is connected with the outlet of the gas valve, the other end of the gas outlet hose is connected with the inlet of the metal pipe, one end of the inlet of the metal pipe is detachably connected with the handle, and the other end of the inlet of the metal pipe is connected with the flame jet head. From this, set up the tubular metal resonator between hyperbaric oxygen pipe and gas mixing pipe, rational in infrastructure, and can dismantle between tubular metal resonator and the handle, easy to assemble with dismantle the maintenance.

In some embodiments: still include the conduit, piezoelectric igniter is connected with the wire, and the wire sets up in the conduit, and the ignition that discharges between wire one end and the flame projecting head is connected between conduit and the handle can dismantle. From this, set up the conduit between hyperbaric oxygen pipe and gas mixing pipe, rational in infrastructure, and can dismantle between conduit and the handle, easy to assemble with dismantle the maintenance.

In some embodiments: the cutting torch is characterized by also comprising a mounting seat, wherein the mounting seat is arranged at the front end of the cutting torch body, one end of the lead is connected with an ignition needle, and the flame jet head and the ignition needle are arranged on the mounting seat; the ignition needle is arranged on the mounting seat through an insulating tube, and a metal protective sleeve is sleeved outside the insulating tube. Therefore, the insulating tube is arranged between the ignition needle and the mounting seat, the ignition needle and the flame projecting head can be connected in an insulating mode, and the piezoelectric igniter generates instant high-voltage current to enable the ignition needle and the flame projecting head to discharge and ignite.

In some embodiments: the insulating tube is sleeved on the flame-throwing head, and an ignition cavity is formed in the insulating tube from the front end of the flame-throwing head to the front end of the insulating tube. From this, the gas mixture can assemble in the ignition chamber, need not to be close to the object during ignition and makes the gas mixture kick-back, can improve the ignition success rate of flame projecting head.

In some embodiments: the insulating tube is also sleeved with a metal protective sleeve, and the flame-projecting head is a pagoda-shaped flame-projecting head or a needle-shaped flame-projecting head.

Drawings

FIG. 1 is a schematic structural view of an automatic ignition system of a cutting torch according to the present invention;

FIG. 2 is a schematic view of the ignition device of the automatic ignition system of the cutting torch of the present invention;

fig. 3 is a schematic structural diagram of the shunt pipe of the automatic ignition system of the cutting torch of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following description of the drawings.

As shown in fig. 1-3, an automatic ignition system of a cutting torch comprises a handle 11, a cutting torch body 12 and a cutting torch 13 which are connected in sequence, wherein the cutting torch body 12 is provided with a high-pressure oxygen pipe 14 and a mixed gas pipe 15, the automatic ignition system further comprises an ignition device 2, the ignition device 2 is arranged in the handle 11, the ignition device 2 comprises a mixed gas branch pipe 21, a flame projecting head 22, a piezoelectric igniter 23 and a control switch 24, the mixed gas branch pipe 21 is communicated with the mixed gas pipe 15, and the mixed gas branch pipe 21 can be communicated with the mixed gas pipe 15 at the rear part of the handle 11 and also can be communicated with the mixed gas pipe 15 inside the handle 11. The flame-throwing head 22 is communicated with the mixed gas branch pipe 21, the piezoelectric igniter 23 can discharge and ignite with the flame-throwing head 22, the flame-throwing direction of the flame-throwing head 22 faces the cutting nozzle 13, and the control switch 24 controls the ignition of the piezoelectric igniter 23 and can control the on-off of the mixed gas branch pipe 21.

The control switch 24 includes a support, an on-off switch, a connecting rod 242, a rocker 243 and an air valve 244, the on-off switch is arranged on the support, the middle of the rocker 243 is mounted on the support through a rotating shaft, the air valve 244 is arranged on the mixed gas branch pipe 21, the air valve 244 is used for controlling the on-off of the mixed gas branch pipe 21, one end of the connecting rod 242 is connected with the movable end of the piezoelectric igniter 23, the other end of the connecting rod 242 is movably connected with one end of the rocker 243, the other end of the rocker 243 is movably connected with the air valve 244, and the connecting rod 242 is driven by the on-off switch to move in a reciprocating manner. From this, when operation on & off switch drive piezoelectric ignition ware igniteed, drive the wane through the connecting rod and open the pneumatic valve, realize igniteing, after the ignition, release the on & off switch, piezoelectric ignition ware automatic re-setting drives the wane through the connecting rod and closes the pneumatic valve, can realize independently not needing manual switch gas mixture branch pipe to realize igniteing.

The switch key may include a button 245 and a lever 246, the button 245 is hinged to the bracket through one end of a rotating shaft, the middle portion of the lever 246 is disposed on the bracket through the rotating shaft, the button 245 abuts one end of the lever 246, and the other end of the lever 246 abuts one end of the connecting rod 242. From this, the on-off switch sets to the button of push type, installs on the handle, when pressing the button, drives piezoelectric ignition ware ignition through the lever for structural design is reasonable, and it is more convenient to use. Wherein, the end of the lever 246 connected with the connecting rod 242 is in a hook-shaped structure, so that the force vertical to the piezoelectric igniter can be converted into the force horizontal to the piezoelectric igniter, the structure is more reasonable, and the use is more convenient.

In addition, the switch key can also be a sliding key arranged on the handle or the bracket in a sliding way, the sliding key is fixedly connected with the connecting rod, and the sliding direction of the sliding key is parallel to the switching direction of the piezoelectric igniter.

The mixed gas branch pipe 21 comprises a gas inlet hose 211, a gas outlet hose 212 and a metal pipe 213, one end of the gas inlet hose 211 is communicated with the mixed gas pipe 15, the other end of the gas inlet hose 211 is communicated with an inlet of the gas valve 244, one end of the gas outlet hose 212 is communicated with an outlet of the gas valve 244, the other end of the gas outlet hose is communicated with an inlet of the metal pipe 213, one end of the inlet of the metal pipe 213 is inserted into the handle 11 and is fixedly connected with the metal pipe through a screw cap, and the other end of the inlet of the metal pipe 213 is communicated with the flame projecting head 22. From this, set up the tubular metal resonator between hyperbaric oxygen pipe and gas mixing pipe, rational in infrastructure, and can dismantle between tubular metal resonator and the handle, easy to assemble with dismantle the maintenance.

The mixed gas pipe 15 is welded and communicated with a shunt pipe 16, an air inlet hose 211 of the mixed gas branch pipe 21 is communicated with the shunt pipe 16, an included angle between the shunt pipe 16 and the mixed gas pipe 15 is an acute angle, and the air flow directions in the shunt pipe 16 and the mixed gas pipe 15 are the same. From this, the gas mixture in the gas mixture pipe can be smooth the entering into the reposition of redundant personnel intraductal, and then enters into the gas mixture branch pipe, can provide sufficient gas mixture for the gas mixture branch pipe.

In addition, still include conduit 25, piezoelectric igniter 23 is connected with the wire, and the wire sets up in conduit 25, and the spark-ignition is discharged between wire one end and bocca 22 and is igniteed, and conduit 25 one end inserts in handle 11 to pass through nut fixed connection. From this, set up the conduit between hyperbaric oxygen pipe and gas mixing pipe, rational in infrastructure, and can dismantle between conduit and the handle, easy to assemble with dismantle the maintenance.

Wherein, the metal tube 213 and the conduit 25 are arranged side by side, so that the cutting torch has reasonable structure and convenient use.

In addition, still include mount pad 26, mount pad 26 sets up in the front end of burning torch body 12, and in this embodiment, the burning torch front end is provided with burning torch and converges the head, and the cutting torch is installed and is converged on the head, and mount pad 26 integrated into one piece and burning torch converge the head. One end of the lead is connected with an ignition needle 27, and the flame-throwing head 22 and the ignition needle 27 are fixedly arranged on the mounting seat 26; the ignition needle 27 is fixedly attached to the mounting base 26 through an insulating tube 28. Therefore, the insulating tube is arranged between the ignition needle and the mounting seat, the ignition needle and the flame projecting head can be connected in an insulating mode, and the piezoelectric igniter generates instant high-voltage current to enable the ignition needle and the flame projecting head to discharge and ignite. In another embodiment, the ignition needle 27 may be replaced by a wire at the end of the lead.

Further, an insulating tube 28 may be fitted over the torch head 22, and an ignition chamber 29 is formed inside the insulating tube 28 from the front end of the torch head 22 to the front end of the insulating tube 28. From this, the gas mixture can assemble in the ignition chamber, need not to be close to the object during ignition and makes the gas mixture kick-back, can improve the ignition success rate of flame projecting head.

In addition, a metal protective sleeve is sleeved outside the insulating tube 28, and the flame-projecting head 22 is a pagoda-shaped flame-projecting head or a needle-shaped flame-projecting head.

To sum up, through drawing forth the gas mixture branch pipe from the gas mixture pipe, then through discharge ignition, towards cutting torch blowout flame, and then light the cutting torch, close the gas mixture branch pipe again, accomplish the ignition, adopt piezoelectric igniter and control switch in addition, open the gas mixture branch pipe when can light a fire, light a fire and accomplish self-closing gas mixture branch pipe, need not independent manual switch gas mixture branch pipe, reduction in production cost, convenient to use, structural design is more reasonable.

The ignition device is suitable for cutting torches, welding torches, baking guns, flame guns and flame cutting machines, is suitable for cutting torches and welding torches of various shapes, and is wide in application range.

The above description is only one embodiment of the present invention, and it should be noted that, for those skilled in the art, similar changes and modifications can be made in several models without departing from the inventive concept, and these should also be considered as within the scope of the present invention.

Claims

1. The utility model provides an automatic ignition system of burning torch, is including handle (11), burning torch body (12) and cutting torch (13) that connect gradually, burning torch body (12) are equipped with hyperbaric oxygen pipe (14) and gas mixture pipe (15), a serial communication port, including ignition (2), ignition (2) set up in handle (11), ignition (2) include gas mixture branch pipe (21), flame projecting head (22), piezoelectric ignition ware (23) and control switch (24), gas mixture branch pipe (21) with gas mixture pipe (15) intercommunication, flame projecting head (22) with gas mixture branch pipe (21) intercommunication, piezoelectric ignition ware (23) can with can discharge between flame projecting head (22) and ignite, flame projecting head (22) flame projecting direction orientation cutting torch (13), control switch (24) control when piezoelectric ignition ware (23) ignite can control the break-make and break-make of gas mixture branch pipe (21) .

2. An auto-ignition system for a burning torch as in claim 1, wherein: the flame-throwing head (22) is a pagoda-shaped flame-throwing head or a needle-shaped flame-throwing head.

3. An auto-ignition system for a burning torch as in claim 1, wherein: the gas mixing pipe (15) intercommunication has shunt tubes (16), gas mixing branch pipe (21) with shunt tubes (16) intercommunication, shunt tubes (16) with contained angle is the acute angle between gas mixing pipe (15).

4. An auto-ignition system for a burning torch as in claim 1, wherein: the control switch (24) comprises a support, an on-off switch, a connecting rod (242), a rocker (243) and an air valve (244), wherein the on-off switch is arranged on the support, the rocker (243) is arranged on the support, the air valve (244) is arranged on the mixed gas branch pipe (21), one end of the connecting rod (242) is connected with the piezoelectric igniter (23), the other end of the connecting rod is connected with one end of the rocker (243), the other end of the rocker (243) is connected with the air valve (244), and the on-off switch drives the connecting rod (242) to move in a reciprocating mode.

5. An auto-ignition system for a cutting gun as claimed in claim 4, wherein: the switch key comprises a key (245) and a lever (246), one end of the key (245) is hinged to the support, the lever (246) is arranged on the support through a rotating shaft, the key (245) is connected with one end of the lever (246), and the other end of the lever (246) is connected with the connecting rod (242).

6. An auto-ignition system for a cutting gun as claimed in claim 5, wherein: the end of the lever (246) connected with the connecting rod (242) is in a hook-shaped structure.

7. An auto-ignition system for a cutting gun as claimed in claim 4, wherein: the mixed gas branch pipe (21) comprises a gas inlet hose (211), a gas outlet hose (212) and a metal pipe (213), one end of the gas inlet hose (211) is connected with the mixed gas pipe (15), the other end of the gas inlet hose is connected with the inlet of the gas valve (244), one end of the gas outlet hose (212) is connected with the outlet of the gas valve (244), the other end of the gas outlet hose is connected with the inlet of the metal pipe (213), one end of the inlet of the metal pipe (213) is detachably connected with the handle (11), and the other end of the inlet of the metal pipe is connected with the flame projecting head (22).

8. An auto-ignition system for a burning torch as in claim 1, wherein: still include conduit (25), piezoelectric igniter (23) are connected with the wire, the wire set up in conduit (25), wire one end with discharge between flame projecting head (22) and ignite, conduit (25) with can dismantle between handle (11) and be connected.

9. An auto-ignition system for a cutting gun as claimed in claim 8, wherein: the cutting torch is characterized by further comprising a mounting seat (26), wherein the mounting seat (26) is arranged at the front end of the cutting torch body (12), one end of the lead is connected with an ignition needle (27), and the flame jet head (22) and the ignition needle (27) are both arranged on the mounting seat (26); the ignition needle (27) is arranged on the mounting seat (26) through an insulating tube (28), and a metal protective sleeve is further sleeved outside the insulating tube (28).

10. An auto-ignition system for a cutting gun as claimed in claim 9, wherein: insulating tube (28) cover is located flame projecting head (22), insulating tube (28) inside from flame projecting head (22) front end to form ignition chamber (29) between insulating tube (28) front end.