CN203010606U - Cutting torch - Google Patents

Abstract

The utility model discloses a cutting torch which comprises a cutting torch main body. A holding handle is arranged on the cutting torch main body. The holding handle comprises a hand holding portion and a hand control switch. A first magnet is arranged on the hand holding portion. The hand control switch which corresponds to the first magnet is provided with a second magnet which is mutually abstracted with the first magnet. The second magnet is provided with a connecting plate. Two ends of the connecting plate are fixed on the hand control switch. A third magnet which is repelled with the first magnet is arranged on the connecting plate. A through groove is formed in the connecting plate. The second magnet and the third magnet are arranged on the through groove. A slide block is arranged at one end of the third magnet. The cutting torch can be used. When a worker uses the cutting torch, an open state of the cutting torch can be maintained for a long time without the need of tightly holding the hand switch for a long time. The worker works conveniently.

Description

Cutting torch

Technical field

The utility model relates to a kind of cutting torch.

Background technology

At present, the use occasion in many processing factories of the cutting torch of hand-held is comparatively extensive, and through constantly improvement and innovation, existing cutting torch has been a perfect technology basically, but still there is certain defective, for example, the gauge tap on the cutting torch lever is the opening and closing of controlling cutting torch, but needs workman's gauge tap of holding with a firm grip for a long time, can normally use cutting torch, but the time one is long, and workman's hand can be felt and ache, and affects workman's work.

Summary of the invention

For the deficiencies in the prior art, the utility model provides a kind of cutting torch, and this cutting torch can be held open state for a long time after the gauge tap of holding with a firm grip, need not workman's gauge tap of holding with a firm grip for a long time.

For realizing above-mentioned technical purpose, the utility model adopts following technical proposals to be achieved.

cutting torch, comprise the cutting torch main body, also be provided with lever on described cutting torch main body, described lever comprises Handheld Division and manual switch, be provided with the first magnet on described Handheld Division, described the first magnet is corresponding is provided with the second magnet of inhaling mutually with described the first magnet on described manual switch, be provided with connecting plate on described the second magnet, the two ends of described connecting plate are fixed on described manual switch, be provided with the 3rd magnet that repels each other with described the first magnet on described connecting plate, offer groove on described connecting plate, described the second magnet and the 3rd magnet are arranged in described groove, one end of described the 3rd magnet is provided with slide block.

In technique scheme, also be provided with spring in described connecting plate, an end of described spring is connected on described the second magnet, and the other end of described spring is connected on described connecting plate.

In technique scheme, an end of described the second magnet is provided with block, and an end of described spring is connected on described block.

Compare with prior art, the beneficial effects of the utility model are that the workman can keep the cutting torch opening for a long time when using cutting torch, need not to hold with a firm grip for a long time gauge tap, is convenient to workman's work.

Description of drawings

Fig. 1 is the utility model schematic diagram.

Fig. 2 is fireproof tempering device structural representation in the utility model embodiment one.

Fig. 3 is fireproof tempering device structural representation in the utility model embodiment two.

Fig. 4 is fireproof tempering device structural representation in the utility model embodiment three.

Fig. 5 is fireproof tempering device structural representation in the utility model embodiment four.

Fig. 6 is fireproof tempering device structural representation in the utility model embodiment five.

Fig. 7 is fireproof tempering device structural representation in the utility model embodiment six.

Fig. 8 is the cross-sectional view of slide bar in Fig. 7.

Fig. 9 is fireproof tempering device structural representation in the utility model embodiment seven.

Figure 10 is fireproof tempering device structural representation in the utility model embodiment eight.

Figure 11 is A place structure enlarged drawing in Figure 10.

Figure 12 is B-B face cutaway view in Figure 10.

Figure 13 is the upward view of the utility model plate.

Figure 14 is the cutaway view of the utility model plate.

Figure 15 is the cutaway view at the utility model II place.

Figure 16 is the enlarged drawing at the utility model I place.

The specific embodiment

Below in conjunction with description of drawings, a kind of cutting torch of the utility model is described in further detail.

referring to Fig. 1 ~ Figure 16, cutting torch, comprise the cutting torch main body, one end of described cutting torch main body is connected with cutting head 1, the afterbody of described cutting torch main body is provided with for the valve that connects oxy-acetylene mixing duct 3 and cutting oxygen pipe road 2, also be provided with lever on described cutting torch, described lever comprises Handheld Division 38 and switch 14, be provided with the first magnet 39 on described Handheld Division 38, described the first magnet 39 is corresponding is provided with the second magnet 40 of inhaling mutually with described the first magnet 39 on described switch 14, be provided with connecting plate 41 on described the second magnet 40, the two ends of described connecting plate 41 are fixed on described switch 14, be provided with the 3rd magnet 42 that repels each other with described the first magnet 39 on described connecting plate 41, offer groove 43 on described connecting plate 41, described the second magnet 40 and the 3rd magnet 42 are arranged in described groove 43, one end of described the 3rd magnet 42 is provided with slide block 44.

when concrete the use, the switch 14 of holding with a firm grip, at this moment described the first magnet 39 with described the second magnet 40 owing to being two mutually diamagnetic magnet, therefore described the first magnet 39 can hold mutually with described the second magnet 40, at this moment just can unclamp hand, switch 14 just can not fall down, also just guaranteed simultaneously the normal operating condition of cutting torch, when needs are closed, only need stir described slide block 44 inwardly stirs, described the 3rd magnet 42 will back down described the second magnet 40, due to described the 3rd magnet 42 and described the first magnet 39 be two with the magnet of magnetic, therefore described the 3rd magnet 42 will repel mutually with described the first magnet 39, finally make described the first magnet 39 and described the second magnet 40 break away from, switch also will fall down, the effect that realization is closed, by this class formation, obviously, the workman need not the switch 14 of holding with a firm grip for a long time in use.

Also be provided with spring 45 in described connecting plate 41, an end of described spring 45 is connected on described the second magnet 40, and the other end of described spring 45 is connected on described connecting plate 41.By spring 45 is set, after backing down described the second magnet 40, described the second magnet 40 can be returned to original position under the effect of spring 45.

One end of described the second magnet 40 is provided with block 46, and an end of described spring 45 is connected on described block 46.

By the switch 14 of holding with a firm grip, make switch 14 and described Handheld Division 38 fit, thereby impel cutting head 1 ejection thermal-flame, yet, this class cutting torch major part is worked under condition preferably at environment, in the situation that environment is abominable, for example when underground repairing water pipe, because one deck earth or dust can be adhered in the surface of water pipe, will limit to some extent when cutting.

Therefore, in order to solve this defective, be provided with plate 50 on described cutting head 1, be provided with air inlet pipe 51 on described plate 50, also offer several counterbores 52 on described plate 50.Described counterbore 52 circumferencial directions are evenly distributed with 12.

When concrete the use, compressed air enters from air inlet pipe, and after air enters into described plate, then by blowing out from counterbore 52, the air that blows out can blow earth or the dust that is attached to surface of the work off, and then is convenient to the cutting torch cutting.

Certainly, described plate 50 need to be fixed on described cutting torch, generally that plate 50 is welded on cutting torch, if but this mode plate 50 damages and need to just comparatively bother in the time of replacing, therefore, preferably, also be provided with the stator consistent with the cutting torch shape 53 on described plate 50, described stator 53 connects by bolt 54.Specifically, described stator 53 has two, and symmetrical, bolt 54 passes stator 53, then uses nut screwing clamping, because stator 53 is arranged on plate 50, therefore also just plate 50 well is fixed on described cutting torch, also can disassembles very easily if need to change.

Referring to Fig. 1 ~ Figure 12, comprise cutting oxygen pipe road 2, oxy-acetylene mixing duct 3, the end of described cutting oxygen pipe road 2 and oxy-acetylene mixing duct 3 is provided with cutting head 1, described cutting oxygen pipe is provided with cutting oxygen valve door 4 on the road, be provided with preheating oxygen valve 5 on described oxy-acetylene mixing duct 3, described cutting oxygen pipe road 2, oxy-acetylene mixing duct 3 are respectively arranged with air hose 6 corresponding to the other end of cutting head 1.

Be provided with fireproof tempering device in described oxy-acetylene mixing duct 3, described fireproof tempering device comprises number one baffle plate 10 and No. second baffle plate 11 that is arranged in oxy-acetylene mixing duct 3, described number one baffle plate 10 is near oxy-acetylene mist gas outlet, also namely, this number one baffle plate 10 is near cutting head 1.Described No. second baffle plate 11 is near oxy-acetylene mist air inlet.

Described number one baffle plate 10 has a piston rod 12 near the middle part, described piston rod 12 1 ends are provided with first piston sheet 16, described piston rod 12 length are greater than number one baffle plate 10 and No. second baffle plate 11 spacings, but piston rod 12 left and right slippages, when described first piston sheet 16 is fitted in No. second baffle plate 11 sidewall, these first piston sheet 16 described third through-holes 14 of sealing.

Described piston rod 12 all offers the second through hole 13 up and down, is used for the circulation of oxy-acetylene mist; No. second baffle plate 11 centers offer a third through-hole 14, and this third through-hole 14 is excessive with the unsuitable deviation in piston rod 12 positions.After the oxy-acetylene mist entered oxy-acetylene mixing duct 3, through the third through-hole 14 of No. second baffle plate 11, this moment, piston rod 12 slided toward the left side, and first piston sheet 16 is fixed piston rod 12 does not come off it from the left side.

The oxy-acetylene mist then enters from the second through hole 13 of number one baffle plate 10, takes advantage of a situation to flow to cutting head 1 position, then cuts.Just in case operating personnel's misoperation, when causing tempering, gas is gone back from the left side, and piston rod 12 is pushed to the right side from a left side, and this moment, the first piston sheet 16 on right side was pressed close to the third through-hole 14 of No. second baffle plate 11, until cover third through-hole 14 fully.The oxy-acetylene mist is blocked in baffle plate 11 places No. second, thereby effectively avoids occuring tempering.

Also be provided with elastic parts 18 between described number one baffle plate 10 and first piston sheet 16, an end of described elastic parts 18 leans on first piston sheet 16, and the other end leans on the sidewall of number one baffle plate 10.Preferably, described elastic parts 18 is spring.Spring housing is located on described piston rod 12.Be convenient to the fixing of spring.Spring 18 makes first piston sheet 16 touch third through-hole 14, is provided with spring 18 and can effectively prevents from setting up a separatist regime by force of arms and mobile cause piston rod 12 to separate with third through-hole 14.This moment, No. second baffle plate 11 was in the effect of isolating the right and left fully, and gas can't pass through from No. second baffle plate 11, just can't get back to air inlet, thereby effectively avoid tempering, has eliminated potential safety hazard.

In addition, install second piston sheet 15 additional on the left of piston, during tempering, also namely the left side air-flow is turned right when flowing, and the second piston sheet 15 has strengthened the lifting surface area of piston rod 12, and pushing piston bar 12 is past rapidly moves right.

Embodiment 2: compare with embodiment 1, difference is, the structure difference of described fireproof tempering device, and all the other are all identical.

Referring to Fig. 3, described a kind of anti-backfire is set up a separatist regime by force of arms device and is comprised at least two fixed heads 211 that are arranged on oxy-acetylene mixing duct 3 inwalls, described fixed head 211 is welded on oxy-acetylene mixing duct 3, is positioned near place, about 5 centimetres, 1 the right of cutting head, and fixed head 211 is stainless steel products.Described fixed head 211 the same sides are hinged with 8 portable plates 212 by hinge, described portable plate 212 adopts iron to make, one end of wherein said 4 portable plates 212 is provided with magnet 213, and the portable plate interval that is provided with the portable plate of magnet and magnet is not set is arranged.

When portable plate is not subjected to external force, the end of portable plate is condensed together like this.Be understandable that, also can be provided with magnet 213 on described portable plate 212.And the magnet 213 opposite modes of the opposite sex are arranged.So more be conducive to make the end of portable plate to condense together.

Described portable plate 212 length are greater than described oxy-acetylene mixing duct 3 radiuses.

During normal the use, air-flow is pushed activity template open, and finally flows to cutting head 1.Just in case operating personnel's misoperation, when tempering occurs, fire stream is from cutting torch position 1 past backflow, and during through fireproof tempering device, fire stream contacts portable plate 212, portable plate 212 is promoted from left to right, this moment, magnet 213 closely linked together two portable plates 212, according to physics general knowledge, for power from left to right, can't open this fireproof tempering device, excise thoroughly the security incident that tempering occurs.

Embodiment 3: compare with embodiment 1, difference is, the structure difference of described fireproof tempering device, and all the other are all identical.

Referring to Fig. 4, described a kind of fireproof tempering device comprises No. three baffle plate 110 and No. four baffle plate 111 that is arranged in oxy-acetylene mixing duct 3, described No. three baffle plate 110 is provided with the fourth hole 113 of oxygen supply acetylene gas mixture circulation, and described No. three baffle plate 110 is provided with the second elastic parts 118.One end of described the two No. three elastic parts 5118 is provided with black box 119.Described No. four baffle plate 111 is provided with fifth hole 114, and described black box 119 seals described fifth hole 114 when fitting described fifth hole 114.In the utility model, described the second elastic parts 118 is spring, the spheroid that described black box 119 is made for flexible material.

Mist is turned left mobile from the right side, through fifth hole 114, black box 119 bodies are promoted toward the left side, black box 119 promotes the second elastic parts 118, pressurized the second elastic parts 118 is shunk, gas enters between No. three baffle plate 110 and No. four baffle plate 111, flows out from fourth hole 113, finally arrives cutting head 1.

When tempering occurs when, tempering stream flows from the left side toward the right, through No. three baffle plate 110, enter between No. three baffle plate 110 and No. four baffle plate 111 from fourth hole 113, at this moment, the second elastic parts 118 promotes black boies 119, black box 119 closely is pressed on fifth hole 114, sealed fifth hole 114, tempering stream can't pass fifth hole 114, also just can't cause potential safety hazard to device.Being made by fire proofing material of described black box 119, thus when preventing tempering, burned or thawing of black box etc. has destroyed device.Black box 119 is preferably and adopts flexible material to make in addition, because adopt flexible material to make the sealing fully that more is of value to fifth hole 114.Certainly, square black box 119 is also passable, only needs corresponding fifth hole 114 to engage fully with black box 119, has finally reached hermetic effect and has got final product.

Embodiment 4: compare with embodiment 1, difference is, the structure difference of described fireproof tempering device, and all the other are all identical.

Referring to Fig. 5, described a kind of fireproof tempering device comprises No. five baffle plate 310 and No. six baffle plate 311 that is arranged in oxy-acetylene mixing duct 3, described No. five baffle plate 310 is provided with the 6th through hole 313, described No. six baffle plate 311 is provided with the 7th through hole 314, be provided with sliding shoe 315 between described No. five baffle plate 310 and No. six baffle plate 311, described sliding shoe is provided with the inclined-plane corresponding to the 7th through hole 314 places.

Described No. five baffle plate 310 offered a groove 316, and described sliding shoe 315 is provided with projection 317 corresponding to this groove 316 places, and described projection 317 can be along groove 316 long side direction slippages.Being provided with groove 316 is that the anti-skidding piece rotates at No. five baffle plate 310 and No. six baffle plate 311 with projection 317 in effect.

In normal use procedure, gas enters from the 7th through hole 314, and because air pressure is higher, gas rises sliding shoe 315, and gas is through the 6th through hole 314, and device normally uses.

If operating personnel's misoperation, when tempering occured, tempering stream entered from the 6th through hole 313, and due to stopping of sliding shoe, tempering stream can not enter to the 7th through hole 314.

The effect of the air pressure of γ-ray emission to sliding shoe 315 inclined-planes can make sliding shoe 315 easily rise, and the inclined-plane can be concave slope, convex inclined-plane or waveform inclined-plane.Described convex inclined-plane refers to that the gradient is upper slow lower steep inclined-plane on the spot; Described concave slope refers to that the gradient is upper steep lower slow inclined-plane on the spot, and described wavy inclined-plane is gradient crossbar transistion on the spot, steep slow differ, the irregular inclined-plane of corrugate shape.

Embodiment 5: compare with embodiment 1, difference is, the structure difference of described fireproof tempering device, and all the other are all identical.

referring to Fig. 6, described a kind of fireproof tempering device comprises No. seven baffle plate 410 and No. eight baffle plate 411 that is arranged in oxy-acetylene mixing duct 3, described No. seven baffle plate 410 is near cutting head 1, be provided with the 8th through hole 412 that the oxygen supply acetylene gas mixture passes through in described No. seven baffle plate 410, No. eight through hole 412 is arranged on middle top, be provided with No. nine through hole 413 that the oxygen supply acetylene gas mixture passes through in described No. eight baffle plate 411, equally, No. nine through hole 413 is arranged on middle top, be provided with fixed head 415 No. two between described No. seven baffle plate 410 and No. eight baffle plate 411, No. two fixed heads 415 downward vertically, baffle plate 416 is articulated and connected No. nine, No. nine baffle plate 416 can be rotated by tie point, described No. nine baffle plate 416 1 ends are provided with magnet 417, described No. two fixed head 415 relevant positions are provided with fixed head 418 No. three, the magnet 417 of No. three fixed heads 418 and No. nine baffle plate 416 1 ends is combined into fixture, after No. nine baffle plate 416 fixed, oxy-acetylene mixing duct 3 is sealing state.

Set up a separatist regime by force of arms when using, the oxy-acetylene mist is entered by No. nine through hole 413, due to larger air pressure, blows baffle plate 416 open No. nine, and the oxy-acetylene mist flows out from No. eight through hole 412 again, takes advantage of a situation to flow to cutting head 1 position, then cuts.

When operating personnel's misoperation causes tempering, tempering enters by No. eight through hole 412, but this moment, No. nine baffle plate 416 fixed by the fixture that magnet 417 and No. three fixed heads 418 are formed, tempering can't be passed, just can't get back to air inlet, thereby effectively avoided tempering, eliminated potential safety hazard.Add stopping of stopper 419, limited the rotation direction of No. nine baffle plate 416, the deeper circulation that stops tempering.

Embodiment 6: compare with embodiment 1, difference is, the structure difference of described fireproof tempering device, and all the other are all identical.

referring to Fig. 7 and Fig. 8, described a kind of fireproof tempering device comprises No. ten baffle plate 515 that is fixedly arranged on described oxy-acetylene mixing duct 3 inwalls, be provided with No. ten through hole 516 on the described No. ten baffle plate 515, be installed with slide bar 509 in described oxy-acetylene mixing duct 3, the cross section of described slide bar 509 is polygon, described slide bar 509 is by the center of described oxy-acetylene mixing duct 3 cross sections, described slide bar 509 and described oxy-acetylene mixing duct 3 an angle axially arranged, be arranged with the first slide block 510 on described slide bar 509, be arranged with elastic parts 511 on described slide bar 509 No. three, one end of described No. three elastic parts 511 connects described the first slide block 510, the other end of described No. three elastic parts 511 is fixed in described oxy-acetylene mixing duct 3 inwalls, when described fireproof tempering device is in closed condition, described the first slide block 510, the inwall of described oxy-acetylene mixing duct 3 and the described No. ten baffle plate 515 surround inflatable chamber 513, 513 of described inflatable chambers communicate with the inner chamber 514 of described oxy-acetylene mixing duct 3 by the described No. ten through hole 516.

Described slide bar 509 is arranged on acetylene outlet side 517 1 sides of the described No. ten baffle plate 515.Described No. three elastic parts 511 is spring.

Before operation, fireproof tempering device, cutting oxygen valve door 4 and preheating oxygen valve 5 all are in closed condition.The operation beginning, open cutting oxygen valve door 4 and preheating oxygen valve 5, oxygen in steel cylinder and acetylene enter oxy-acetylene mixing duct 3 and mix, mist is washed the first slide block 510 open, then taken out of by the oxygen jet and burn at cutting torch 1 gas vent, jet flame fusing workpiece or other metals reach the purpose of cutting.After operation is completed, the power of washing the first slide block 510 open reduces and disappears, and the first slide block 510 is subject to the effect of No. three elastic parts 511 and gets back to preoperative state, and fireproof tempering device is closed, stop the gas flow mistake fully, thereby stop flame tempering to handle steel cylinder even.Avoid acetylene tempering heating handle to make it and to grip.The more important thing is, avoid flame tempering to steel cylinder, light acetylene and blast, thereby greatly improve the cutting torch security.

Embodiment 7: compare with embodiment 1, difference is, the structure difference of described fireproof tempering device, and all the other are all identical.

Referring to Fig. 9, described a kind of fireproof tempering device comprises the fixture 623 that is fixedly arranged on described oxy-acetylene mixing duct 3 inwalls, is flexibly connected some activity templates 622 on described fixture 623, and described activity template 622 is connected to each other by No. four elastic parts 621.Described activity template 622 has the iron plate of antioxidation coating for the surface.Described No. four elastic parts 621 is spring.

Before operation, fireproof tempering device, cutting oxygen valve door 4 and preheating oxygen valve 5 all are in closed condition.The operation beginning, the operation beginning, open cutting oxygen valve door 4 and preheating oxygen valve 5, oxygen in steel cylinder and acetylene enter described oxy-acetylene mixing duct 3 and mix, mist is washed activity template 622 open, then in cutting torch 1 gas vent burning, jet flame fusing workpiece or other metals reach the purpose of cutting.After operation was completed, the power of washing activity template 622 open reduced and disappears, and activity template 622 is subject to the effect of No. four elastic parts 621 and gets back to preoperative state, and fireproof tempering device is closed, and stops the gas flow mistake fully, thereby prevention flame tempering is to handle steel cylinder even.Avoid acetylene tempering heating handle to make it and to grip.The more important thing is, avoid flame tempering to steel cylinder, light acetylene and blast, thereby greatly improve the cutting torch security.

Embodiment 8: compare with embodiment 1, difference is, the structure difference of described fireproof tempering device, and all the other are all identical.

referring to Figure 10, Figure 11 and Figure 12, described a kind of fireproof tempering device comprises the ride on Bus No. 11 baffle plate 715 that is fixedly arranged on described oxy-acetylene mixing duct 3 inwalls, be provided with ride on Bus No. 11 through hole 716 on described ride on Bus No. 11 baffle plate 715, described oxy-acetylene mixing duct 3 inwalls are provided with along the axial chute 712 of described oxy-acetylene mixing duct 3, be provided with elastic parts 709 in described chute 712 No. five, described No. five elastic parts 709 connects the inserts 717 that is embedded in chute 712, described inserts 717 tops connect the second slide block 710 by connecting portion 718, described No. five elastic parts 709 other ends are fixed in the acetylene airintake direction end of described chute 712, when described fireproof tempering device 2 is in closed condition, described the second slide block 710, the inwall of described oxy-acetylene mixing duct 3 and described ride on Bus No. 11 baffle plate 715 surround inflatable chamber 713, 713 of described inflatable chambers communicate with inner chamber 714 by described ride on Bus No. 11 through hole 716.

Described the second slide block 710 is arranged on acetylene airintake direction one side of described ride on Bus No. 11 baffle plate 715, and described chute 712 is arranged on acetylene airintake direction one side of described the second slide block 710.Described No. five elastic parts 709 is spring.

Before operation, cutting oxygen valve door 4 and preheating oxygen valve 5 all are in closed condition.The operation beginning, open cutting oxygen valve door 4 and preheating oxygen valve 5, the oxygen in steel cylinder and acetylene enter oxy-acetylene mixing duct 3 and mix, and mist is washed the second slide block 710 open, then in cutting torch 1 gas vent burning, jet flame fusing workpiece or other metals reach the purpose of cutting.After operation is completed, the power of washing the second slide block 710 open reduces and disappears, and the second slide block 710 is subject to the effect of No. five elastic parts 709 and gets back to preoperative state, and fireproof tempering device is closed, stop the gas flow mistake fully, thereby stop flame tempering to handle steel cylinder even.Avoid acetylene tempering heating handle to make it and to grip.The more important thing is, avoid flame tempering to steel cylinder, light acetylene and blast, thereby greatly improve the cutting torch security.

Claims (3)

1. cutting torch, comprise the cutting torch main body, also be provided with lever on described cutting torch main body, described lever comprises Handheld Division (38) and switch (14), it is characterized in that, be provided with the first magnet (39) on described Handheld Division (38), described the first magnet (39) is corresponding is provided with the second magnet (40) of inhaling mutually with described the first magnet (39) on described switch (14), be provided with connecting plate (41) on described the second magnet (40), the two ends of described connecting plate (41) are fixed on described switch (14), be provided with the 3rd magnet (42) that repels each other with described the first magnet (39) on described connecting plate (41), offer groove (43) on described connecting plate (41), described the second magnet (40) and the 3rd magnet (42) are arranged in described groove (43), one end of described the 3rd magnet (42) is provided with slide block (44).

2. cutting torch according to claim 1, it is characterized in that, also be provided with spring (45) in described connecting plate (41), an end of described spring (45) is connected on described the second magnet (40), and the other end of described spring (45) is connected on described connecting plate (41).

3. cutting torch according to claim 2, is characterized in that, an end of described the second magnet (40) is provided with block (46), and an end of described spring (45) is connected on described block (46).

Images