KR200280189Y1 - A torch having an automatic ignition switch - Google Patents

Abstract

The present invention relates to a gas cutting machine with an automatic ignition device that can ensure the safety of the operator by preventing the generation of a flame of excessive size in the process of forming the combustion main flame at the tip portion by the automatic ignition device, The flame generating unit formed on the tip forming the ignition reactor, the ignition reactor body supply device for supplying the reactor body for primary ignition to the flame generating unit and the primary ignition when the reactor body is supplied from the ignition reactor body supply device for the spark generating unit Ignition trigger means for generating an ignition spark and an autoignition device comprising a tip, a reactor pipe for supplying the reactor to the ignition reactor supply device, and a cock installed in the reactor pipe to control the supply of the reactor In a gas cutter, an ignition panel connected to a reactor pipe supply for ignition on a reactor pipe But it added to form a gas pipe, so that by connecting the ignition reaction gas pipe at the front end portion of the cock reaction gas is supplied to the ignition reaction gas supply for, regardless of opening and closing the cock.

Description

Gas cutting machine with automatic ignition device {A torch having an automatic ignition switch}

The present invention relates to a gas cutter with an automatic ignition device, and in particular, when the ignition button attached to the torch handle is pressed, the reactor is supplied through the reactor supply without generating the cock, so that a primary ignition flame is generated to ignite the main flame. It relates to a gas cutting machine with an automatic ignition device.

A torch is a mechanism for adjusting the mixing ratio and flow rate of gas. The torch is a part that creates a flame by mixing or controlling acetylene or LPG gas and oxygen during gas welding. This torch is generally composed of an inlet tube into which oxygen and a reactant to react with oxygen are introduced, a cock to control the inflow of the gas, a pipe, an intermediate pressure valve and a tip, which constitute a movement path of these gases. The site where the mixed gas is finally discharged from the tip is ignited after the gas is mixed through the needle valve and then released from the nozzle.

However, the conventional gas stove is not provided with an integrated ignition device, so it is inconvenient to ignite the gas stove with a separate printing device, that is, a lighter or a match. In general, welding or cutting work is carried out with a thick fire protection gloves. Therefore, to print the gas torch using an external ignition mechanism such as a match, the work performance is impaired.

A torch equipped with an auto ignition device for convenient welding or cutting operation is proposed as a utility model registration No. 249468 by incorporating a separate auto ignition device into a single body.

The torch with a conventional automatic ignition device proposed in Utility Model Registration No. 249468 opens a cock formed in the first reactor gas pipe to ignite the gas torch, and the first reactor gas pipe and the ignition reactor connected to the mixed gas pipe. When the reactor is simultaneously supplied to the second reactor pipe connected to the supply device and the ignition button is operated, sparks are generated by the ignition trigger device, and the reactor fluid supplied by the ignition reactor supply device is primary by the sparks. The ignition main flame is generated when ignited.

However, a gas torch with a conventional auto-ignition device is opened simultaneously with the first reactor pipe and the second reactor pipe when the cock of the first reactor pipe is opened to supply the LP gas, which is a reactor gas. There is a problem that excessive flame occurs in.

That is, the gas torch with the conventional auto-ignition device is opened when the cock is opened, and the reactor gas is supplied to the tip through the mixed gas pipe, and when the ignition button is operated, it is supplied to the nozzle through the second reactor gas pipe and the ignition pipe and injected. Primary ignition is achieved by generating a flame in the reactor, but in this case, since the reactor is already supplied to the tip, an excessively large flame is generated at the tip by the flame generated by the flame generator.

Therefore, there is a high risk that an operator may be subjected to a safety accident such as a burn.

Accordingly, an object of the present invention is to provide a gas cutter with an auto-ignition device that can prevent the excessive size of the flame from occurring in the tip portion to ensure the safety of the operator.

Gas cutting device with an automatic ignition device according to the present invention for achieving the above object is a flame generating unit formed on the tip to form a combustion main flame, and a ignition reactor supply device for supplying a reactive gas for primary ignition to the flame generating unit And a ignition triggering means and tip for generating the ignition spark by first ignition when the reactor is supplied from the ignition reactor supply device to the spark generator and the reactor pipe for supplying the reactor to the ignition reactor supply device, and the reactor body. In the gas cutting machine with an auto-ignition device comprising a cock installed in the pipe to control the supply of the reactor, in the reactor pipe, an ignition reactor pipe connected to the ignition reactor supply device is additionally formed, the reaction for ignition The gas pipe is connected to the front end of the cock so that the reactor reacts for ignition regardless of opening and closing of the cock. Such that material fed to the feeder.

1 is a cross-sectional view for explaining a gas cutter with an auto-ignition apparatus according to the present invention.

2 is a partially enlarged view of FIG. 1;

3 is an enlarged view of a portion <D> of FIG. 2;

※ Explanation of code about main part of drawing ※

A: Handle B: Tip

C: conduit 20: cock

32: reactor pipe 33: ignition reactor pipe

47: reactor supply device for ignition

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of a gas cutter with an automatic ignition device according to the present invention.

3 is a cross-sectional view illustrating a gas cutting machine with an autoignition device according to the present invention, FIG. 4 is a partially enlarged view of FIG. 3, and FIG. 5 is a partially enlarged view of <D> of FIG. 4.

First, the gas cutter with the autoignition device according to the present invention is intended to generate a primary ignition flame at the tip when the reactor of the first reactor pipe is introduced into the reactor supply without the cock opening, and the ignition button is operated. As shown, it consists of a handle (A), a tip (B) and a conduit (C), the ignition device.

The handle portion A has a reactor pipe 32, an oxygen inlet 21 and a first oxygen pipe 31, a reactor control cock 20, an ignition button 22, a high pressure control valve 23 and a low pressure. The control valve 40 is formed, the inner ignition reactor body supply device and the ignition trigger device is built in the bottom.

The handle portion (A) is oxygen flows through the first oxygen pipe 31 of the oxygen inlet portion 21 is moved to the high pressure control valve 23, the moved oxygen is the second oxygen pipe 24 and the second It is classified into three oxygen pipes 39.

In addition, the third oxygen pipe 39 is connected to the mixed gas pipe 26 connected to the tip, and the low pressure control valve 40 is installed at the mixed gas pipe 26 to control oxygen and mix with the reactor gas to mix the mixed gas. It moves to the tip (b) portion through the pipe (26).

The automatic ignition device includes a rod 36 for transmitting a force from the ignition button 22, an ignition reactor body supply device 47, and an ignition trigger device 35.

Here, the ignition reactor supply device 47 is composed of the ignition reactor pipe 33, the spring 49, the reactor control pipe 50 and the rubber packing (51), the reaction gas control pipe ( 50 is connected to the flexible plastic pipe 38 through the rod 36 to connect the reactor body with the ignition pipe 25.

At this time, the reactor body supply device 47 is composed of two separate spaces inside, and the isolation portion is connected to the reactor body control tube 50 sealed by the rubber parking (51). In addition, when the reactor body control tube 50 of the portion where the spring 49 is formed is formed with a hole 48 in a portion that is in contact with the rubber parking 51, the reactor body control tube 50 moves to the right by the rod 36. The reactor gas passes through and is supplied to the plastic pipe 38.

In addition, the gas cutting machine with an automatic ignition device according to the present invention is introduced into the handle portion (A) through the reactor pipe (32) L-fig as the reactor body. In the reactor pipe 32, an ignition reactor pipe 33 is formed in which the reactor is connected to the reactor supply 47 and supplies the reactor to the reactor supply.

Here, the ignition reactor pipe 33 is formed so that one end is connected to the reactor supply device 47 and the other end is connected to the reactor pipe 32, it is formed to be connected to the cock front end of the reactor pipe.

That is, regardless of whether the cock 20 of the reactor pipe is opened or closed, a part of the reactor is supplied to the reactor supply device 47 through the ignition reactor pipe 33.

On the other hand, the ignition trigger device 35 uses a spark generator used in a general electronic lighter. At this time, the ignition lead 37 connected to the ignition trigger device 35 is inserted into the ignition pipe 25 and connected to the tip body 45 at one side. Since the pressure of the reactor body of the reactor body control tube 50 or the plastic tube 38 is low pressure, the site where the ignition lead 37 is inserted into the ignition pipe 25 is generally treated with a packing, and the ignition triggering device 35 Is grounded.

Therefore, the ignition trigger device 35 is also operated by the action of the same rod 36 at the same time as the operation of the ignition reactor supply device 47, so that a predetermined time after the start of supply of the reactor gas through the reactor control pipe 50 is established. After that, a high voltage is generated to generate a spark.

Then, the rod 36 is moved to the right side in the drawing when the ignition button 22 is pressed to move the reactor control pipe 50 of the ignition reactor supply device 47 to the right and between the rubber packing 51 A space is formed in the reactor to allow the reactor to pass through the hole 48 of the reactor control pipe 50. When the hand is released from the ignition button 22, the rod 36 moves back to the left side, and the reactor is returned to the ignition pipe 25 of the reactor by repositioning the reactor control pipe 50 by the elastic force of the spring 49. Automatically extinguish the ignition flame by blocking the supply.

At the bottom of the tip B, a nozzle 41 and a flame generator 42, which are gas discharge units, are formed.

In the tip body 45 of the tip B, the second oxygen pipe 24, the ignition pipe 25, and the mixed gas pipe 26 are located inside the second oxygen pipe 24 and the mixed gas pipe 26. ) Is connected to the tip 46 of the tip body 45.

In addition, the ignition lead 37 embedded in the ignition pipe 25 is drawn out of the ignition pipe 25 from the inside of the tip body 45 to be connected to the engine pipe 44, and is formed of an electric wire or the like at the end of the engine pipe 44. It is connected to the flame generator 43.

On the other hand, the ignition pipe 25 is exposed to the outside of the tip body 45 next to the engine pipe 44 is connected to the nozzle 41. The flame generating part 42 is connected to the tip body 45, surrounds the nozzle 41, and is a portion that is first ignited.

The conduit part C is connected to a second oxygen pipe 24 into which oxygen is introduced, an ignition pipe 25 that is connected to an ignition reaction gas supply device 47 and receives a reactive gas and supplies the same to the flame generator 42. It is composed of a mixed gas pipe 26 connected to the reactor gas pipe and the third oxygen pipe to supply a mixed gas in which the reactant gas and oxygen are mixed to the tip B.

It describes the ignition operation in the gas cutting machine with an automatic ignition device according to the present invention having such a configuration.

First, when the ignition button is pressed to generate the primary ignition flame, according to the principle of the lever, a rod is connected to the ignition button 22 and the other side to the ignition trigger device 35 and the ignition reactor supply device 47 for ignition. The rod 36 is moved in the direction opposite to the tip B, that is, in the direction of the cock 20.

When the rod 36 is moved, a high voltage is generated so that the spark splatters the spark generator 43 located in the tip body 45 from the ignition trigger device 35 through the ignition lead 37.

Meanwhile, the ignition reactor supply device 47 is opened by the movement of the rod 36, and the reactor is introduced into the ignition pipe 25 through the elastic plastic pipe 38, and the spark generating portion 42 of the tip is thereby introduced. Is supplied to the reactor. At this time, the ignition sequence of the primary flame is activated after the ignition button 22 is operated, the ignition reactor supply device 47 is opened, and then sparks are generated in the flame generator 43 to perform the primary ignition.

At this time, the cock 20 is not opened so that the reactor gas is supplied only to the ignition reactor gas supply device 47 through the ignition reactor pipe 33 and not to the mixed gas pipe 26.

By opening the cock 20 to generate the combustion main flame in the state where the primary ignition flame is generated as described above, the reactor gas is supplied to the mixed gas pipe 26, and the low pressure control valve 40 is opened to supply oxygen. Allow to mix with the reactant.

In addition, the mixed gas in which the reaction gas and oxygen are mixed is supplied to the tip end 46 through the mixed gas pipe 26 and ignited by the ignition spark generated in advance in the flame generating part 42.

After releasing the ignition button 22, the rod 36 moves to the original position, the ignition reactor supply device 47 is closed, the supply of the reactor is stopped and the flame of the flame generator 42 is extinguished. The burning main flame will continue to ignite.

As described above, the gas cutting machine with an automatic ignition device according to the present invention is a state in which the ignition reactor pipe for supplying the reaction medium to the ignition reactor supply device is connected to the front end of the cock so that the reaction fluid is not supplied to the tip. Ignition sparks occur at

Therefore, the automatic ignition device with a gas cutter according to the present invention provides an effect that can prevent the excessive size of the flame from occurring in the tip portion to ensure the safety of the operator.

Claims (1)

A flame generating unit formed at a tip forming a combustion main flame, an ignition reactor supply device for supplying a reactor body for primary ignition to the flame generating unit, and a reactor body from the ignition reactor supply unit for the flame generating unit; Is supplied with ignition triggering means for primary ignition to generate an ignition flame, a reactor pipe for supplying the reactant to the tip and the ignition reactor supply device, and a cock installed in the reactor pipe to control the supply of the reactant. In the gas cutting machine with an automatic ignition device comprising a, An ignition reactor pipe connected to the ignition reactor supply device is additionally formed in the reactor pipe, and the ignition reactor pipe is connected to the front end of the cock so that the reactor is open or closed regardless of opening and closing of the cock. Gas cutting machine with an auto-ignition device, characterized in that to be supplied to the ignition reactor supply device.