WO2019174451A1 - 一种割嘴 - Google Patents
一种割嘴 Download PDFInfo
- Publication number
- WO2019174451A1 WO2019174451A1 PCT/CN2019/075877 CN2019075877W WO2019174451A1 WO 2019174451 A1 WO2019174451 A1 WO 2019174451A1 CN 2019075877 W CN2019075877 W CN 2019075877W WO 2019174451 A1 WO2019174451 A1 WO 2019174451A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle
- insulating tube
- insulating
- tube
- oxygen outlet
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/38—Torches, e.g. for brazing or heating
- F23D14/42—Torches, e.g. for brazing or heating for cutting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
- F23D14/48—Nozzles
- F23D14/52—Nozzles for torches; for blow-pipes
- F23D14/54—Nozzles for torches; for blow-pipes for cutting or welding metal
Definitions
- the utility model relates to a cutting torch cutting nozzle, in particular to a cutting nozzle.
- the pulse ignition area is between the front end of the oxygen outlet nozzle and the front end of the nozzle of the existing pulse auto-ignition torch, and in the pulse ignition, if the ignition distance between the two electrodes is too small, the pulse discharge frequency and the number of sparks will be caused. If the pulse discharge is not possible in the past, the distance between the front end of the conventional oxygen outlet nozzle and the front end of the nozzle cap is fixed, and the distance is small. The effect of using pulse ignition is poor, and the efficiency is low, and the front end of the mouth cap is The pore size of the mixed gas outlet hole is standard and difficult to change, otherwise it will affect the flame spray effect.
- the end of the nozzle of the existing pulse auto-ignition torch is inserted into the insulating tube to adopt a tapered structure to insert the wire for electrical connection.
- the high-pressure oxygen will affect the wire and cause the wire to oscillate. It is easy to make poor contact between the wire and the outlet nozzle, resulting in failure to ignite.
- the cutting nozzle for the automatic internal ignition torch is to insulate the outlet nozzle from the torch body, that is, to provide an insulating tube between the outlet nozzle and the mouthpiece connecting thread, and the insulating tube
- the connection between the threaded joint and the outlet nozzle of the mouth cap is poorly sealed, and it is easy to cause air leakage.
- a cutting nozzle includes a nozzle core and a nozzle cap sleeved on the nozzle core, and the nozzle core includes a nozzle cap connecting thread, a metal tube, an insulating tube and an oxygen outlet nozzle;
- the cap connecting thread comprises a high-pressure oxygen outlet hole, the metal tube is connected with the high-pressure oxygen outlet hole, the insulating tube is inserted in the metal tube, and one end of the oxygen outlet nozzle is inserted in the insulating tube; a metal ring and a metal ring are arranged at the front end of the nozzle cap.
- the inner side is provided with an insulating ring, the hole of the insulating ring is a mixed air outlet hole, and the area between the metal ring and the front end of the oxygen outlet nozzle is a pulse ignition discharge area.
- the utility model increases the aperture of the mixed gas outlet hole of the front end of the conventional cutting nozzle cap, and provides an insulating ring in the hole, thereby increasing the shortest distance of the metal ring from the front end of the oxygen nozzle to the front end of the nozzle cap, and the pulse
- the ignition distance is adjusted to a preferred distance, and the hole in the middle of the insulating ring is used as a new mixed gas outlet hole, which does not change the original mixed gas outlet hole size, and can improve the pulse ignition effect and the ignition efficiency.
- a first insulating tube body is disposed near the front end of the nozzle cap, a second insulating tube body is disposed on the oxygen outlet nozzle sleeve, and the second insulating tube body is connected to the insulating tube, and the first insulating tube body is sleeved.
- a first port of the mixed gas is connected between the first insulating tube body and the oxygen outlet nozzle, and a rear end of the first insulating tube body is sleeved on the front end of the second insulating tube body, the first insulating tube body and the second insulating layer
- a second port of the mixed gas is arranged between the pipe bodies, and the first port of the mixed gas communicates with the second port of the mixed gas; the outlet of the gas is not covered by the second insulating pipe body and passes through the second port of the mixed gas to the mouth cap
- the shortest distance of the inner wall is greater than the shortest distance from the front end of the nozzle to the metal ring. Due to the pulse ignition, the two electrodes will discharge and ignite at the shortest distance. This arrangement ensures that the shortest distance between the nozzle and the mouthpiece is the shortest distance between the front end of the nozzle and the metal ring at the front end of the mouthpiece.
- a conductive tube is disposed in the insulating tube, and the conductive tube is connected to the oxygen outlet nozzle. Therefore, when the wire is inserted into the insulating tube and electrically connected to the outlet nozzle, the electric shock end of the wire is in the conductive tube, and the conductive tube is connected with the outlet nozzle, which can increase the electrical contact range between the oxygen outlet and the wire, when the high pressure oxygen When the wire is oscillated, the wire will not be separated from the outlet nozzle or the conductive tube, and a stable electrical connection between the wire and the outlet nozzle can be maintained, which can ensure stable pulse ignition, and the cutting nozzle is a wearing part. Easy to replace.
- the metal tube is connected to the mouthpiece connecting thread by integral molding, welding or bolting.
- the insulating tube is a ceramic tube, a mica tube, or an insulating plastic tube. Therefore, the insulation function can be insulated, and the oxygen outlet nozzle and the nozzle cap connecting thread can be insulated, that is, the oxygen outlet nozzle and the torch body are insulated from each other, and the oxygen outlet nozzle and the mouth nozzle can be made. Pulse ignition is performed between.
- the inner wall of one end of the metal tube and the insulating tube is circumferentially provided with a concave ring, and the concave ring forms a sealed cavity with the outer wall of the insulating tube, and the sealing chamber is filled with glue.
- the oxygen outlet nozzle is inserted into the insulating tube, and one end of the oxygen outlet nozzle inserted into the insulating tube has a tapered shape and a concave portion is formed with the inner wall of the insulating tube. Therefore, when the wire is inserted into the mouth core, it is inserted into the concave portion along the tapered surface of the outlet end of the oxygen outlet nozzle, and is touched with the oxygen outlet nozzle, so that the electrode of the direct current discharge device is electrically connected to the oxygen outlet through the wire. mouth.
- FIG. 1 is a schematic structural view of a cutting nozzle of the present invention
- FIG. 2 is a schematic structural view of a cutting nozzle assembled to a torch body according to the present invention
- FIG. 3 is a schematic structural view of a first embodiment of a wire of a cutting tip penetrating into an oxygen tube according to the present invention
- FIG. 4 is a schematic view showing the structure of a second embodiment of the wire of the cutting nozzle penetrating into the oxygen tube of the present invention.
- front end and rear end mean that the end of the cutting nozzle connected to the torch body is the rear; the end of the cutting nozzle having the high pressure oxygen or the mixed gas outlet is the front.
- a cutting nozzle includes a nozzle core 31 and a nozzle cap 32 sleeved on the nozzle core 31.
- the nozzle core 31 includes a nozzle cap connecting thread 33, a metal tube 37, an insulating tube 34 and a ring.
- the oxygen nozzle 35, the mouth cap 32 is sleeved on the mouth core 31 and is screwed to the mouthpiece connecting thread 33.
- the mouth cap 32 and the mouth core 31 have a gap, which is a mixed gas outlet, and the mouthpiece connecting thread 33 includes a high voltage.
- the oxygen outlet hole, the metal pipe 37 is connected to the high-pressure oxygen outlet hole.
- the metal pipe 37 and the nozzle cap connection thread 33 can be sealed and connected by integral molding, welding or bolting.
- the metal pipe The connection between the 37 and the mouthpiece connecting thread 33 can be integrally formed, thereby improving the connection sealing property with the nozzle cap connecting thread, preventing leakage, and greatly reducing the connection between the conventional insulating tube and the mouth cap.
- the connection between the threads is not sealed enough to leak.
- the insulating tube 34 is inserted into the metal tube 37, and one end of the oxygen generating nozzle 35 is inserted into the insulating tube 34.
- the oxygen outlet nozzle and the mouth cap are insulated, that is, the oxygen outlet nozzle and the mouth cap are insulated, and serve as an electrode of the DC discharge device; and the nozzle cap is used as a DC discharge device.
- the other electrode enables discharge between the oxygen outlet nozzle and the mouth cap, and an electric spark is applied to ignite.
- a metal ring 321 is disposed at the front end of the mouth cap 32.
- the metal ring 321 is integrally formed with the front end of the mouth cap 32.
- the material of the metal ring 321 is the same as that of the nozzle cap 32, and may be made of copper or an alloy material.
- the inner side of the metal ring 321 is provided with an insulating ring 322.
- the insulating ring 322 and the metal ring 321 can be adhesively connected.
- the hole of the insulating ring 322 is a mixed air outlet hole, and the area between the metal ring 321 and the front end of the oxygen outlet nozzle 35 is Pulse ignition discharge zone.
- the shortest distance from the front end of the nozzle to the metal ring at the front end of the nozzle can be increased, and the pulse is increased.
- the ignition distance is adjusted to a preferred distance, and the hole in the middle of the insulating ring is used as a new mixed gas outlet hole, which does not change the original mixed gas outlet hole size, and can improve the pulse ignition effect and the ignition efficiency.
- the first insulating tube body 323 is integrally formed with the insulating ring 322, and the first insulating tube body 323 and the mouth cap 32 may be coated with the first insulating tube body 323. glue.
- the outlet 35 is sleeved with a second insulating tube 324.
- the length of the second insulating tube 324 is shorter than the length of the outlet nozzle 35, that is, the outlet nozzle 35 is not covered by the second insulating tube 324 near the front end.
- the second insulating tube body 324 and the insulating tube 34 may be integrally formed or glued.
- the first insulating tube body 323 is sleeved on the oxygen outlet nozzle 35.
- the first insulating tube body 323 and the oxygen outlet nozzle 35 have a gap and are mixed.
- the gas first port 325, the rear end of the first insulating tube body 323 is sleeved on the front end of the second insulating tube body 324.
- the rear end of the first insulating tube body 323 and the front end of the second insulating tube body 324 are tapered.
- the structure has a gap between the first insulating tube body 323 and the second insulating tube body 324 and is a mixed gas second port 326, and the first gas inlet port 325 communicates with the mixed gas second port 326; the oxygen outlet nozzle 35
- the shortest distance from the second insulating port 324 to the inner wall of the mouth cap 32 through the second port 326 of the mixture is greater than the shortest distance from the front end of the nozzle 35 around the insulating ring 322 to the ring 321 . Due to the pulse ignition, the two electrodes will discharge and ignite at the shortest distance. This arrangement ensures that the shortest distance between the nozzle and the mouthpiece is the shortest distance between the front end of the nozzle and the metal ring at the front end of the mouthpiece.
- a conductive tube 341 is embedded in the insulating tube 34.
- the conductive tube 341 can be made of metal copper, and the conductive tube 341 is integrally formed with the oxygen outlet nozzle 35. Therefore, when the wire is inserted into the insulating tube and electrically connected to the outlet nozzle, the electric shock end of the wire is in the conductive tube, and the conductive tube is connected with the outlet nozzle, which can increase the electrical contact range between the oxygen outlet and the wire, when the high pressure oxygen When the wire is oscillated, the wire is not separated from the outlet nozzle or the conductive tube, and a stable electrical connection between the wire and the outlet nozzle can be maintained, and stable pulse ignition can be ensured.
- the above cutting nozzle can be used not only for a cutting torch or a welding torch, but also for a flame cutting machine and a gantry type tube plate integrated cutting machine.
- the cutting nozzle can also be made into a plum blossom mouth, a ring mouth, a quick mouth, a machine mouth and a split type cutting nozzle.
- the insulating tube 34, the insulating ring 322, the first insulating tube 323 and the second insulating tube 324 are ceramic tubes, mica tubes or insulating plastic tubes.
- the insulating tubes 34 and the insulating rings 322 are first.
- the insulating tube body 323 and the second insulating tube body 324 are both ceramic tubes, that is, ceramics.
- the insulating tubes 34 may be long-length insulating tubes or short-length annular insulating gaskets. In addition, it can also be an asbestos tube, which can achieve the effects of high temperature resistance and insulation. It should be noted that other insulating tubes made of high temperature resistant and insulating materials are also within the scope of the present application.
- the insulation function can be insulated, and the oxygen outlet nozzle and the nozzle cap connecting thread can be insulated, that is, the oxygen outlet nozzle and the torch body are insulated from each other, and the oxygen outlet nozzle and the mouth nozzle can be made. Pulse ignition is performed between the two, so that the ignition can avoid the burn hazard to the operator, and it can still be smoothly ignited in the case of strong wind outside.
- one end of the oxygen outlet nozzle 35 is inserted into the insulating tube 34, and one end of the oxygen outlet nozzle 35 inserted into the insulating tube 34 has a tapered shape, and a concave portion 36 is formed with the inner wall of the insulating tube 34. Therefore, when the wire is inserted into the mouth core, it is inserted into the concave portion along the tapered surface of the outlet end of the oxygen outlet nozzle, and is touched with the oxygen outlet nozzle, so that the electrode of the direct current discharge device is electrically connected to the oxygen outlet through the wire. mouth.
- the inner wall of one end of the metal tube 37 connected to the insulating tube 34 is integrally formed with a concave ring, and a sealing cavity 38 is formed between the concave ring and the outer wall of the insulating tube 34, and the sealing cavity 38 is filled with glue for sealing. Therefore, when the wire is inserted into the mouth core, it is inserted into the concave portion along the tapered surface of the outlet end of the oxygen outlet nozzle, and is touched with the oxygen outlet nozzle, so that the electrode of the direct current discharge device is electrically connected to the oxygen outlet through the wire. mouth.
- the mouthpiece connecting screw 33 is screwed to the torch body 1, and the DC discharge device 2 is disposed in the torch body 1.
- the torch body 1, the mouth cap 32, the mouth cap connecting screw 33 and the oxygen outlet nozzle 35 are all made of a metal material and can be electrically conductive.
- One electrode of the DC discharge device 2 is electrically connected to the oxygen outlet nozzle 35, and the other electrode is electrically connected to the nozzle cap 32.
- An electric spark can be generated between the nozzle cap 32 and the oxygen outlet nozzle 35. The resulting spark can ignite the torch.
- the torch body 1 may include a handle 11 , and the DC discharge device 2 is fixedly mounted in the handle 11 .
- the DC discharge device 2 may include a battery and a circuit board.
- the positive and negative poles of the battery are electrically connected to the circuit board respectively, and then the positive pole and the negative pole are taken out from the circuit board, and the negative pole of the circuit board may be electrically connected to the torch body 1
- the nozzle cap connecting screw 33 and the mouth cap 32 are made of metal and can be electrically connected to each other, the mouth cap 32 is electrically connected to the negative pole of the circuit board, that is,
- the mouth cap 32 serves as a negative electrode of the direct current discharge device 2.
- the DC discharge device 2 may further include a wire 21, one end of which may be connected to the positive electrode of the DC discharge device 2, that is, the positive electrode connected to the circuit board, and the other end of the wire 21 may be connected to the oxygen outlet nozzle 35, thereby the oxygen outlet nozzle 35
- the positive electrode of the direct current discharge device 2 it is only necessary to turn on the line of the direct current discharge device 2 to generate an electric spark between the discharge nozzle 35 and the nozzle cap 32 for ignition.
- the DC discharge device 2 may further include a switch 22 for controlling the on/off of the line.
- the switch 22 may be disposed at the positive pole of the DC discharge device 2, and the switch 22 may be a jog switch.
- the handle 11 can be provided with a fourth through hole 12 for the wire 21 to pass through.
- the torch body 1 can further include an oxygen tube 13 and a confluence head 14. One end of the oxygen tube 13 communicates with the confluence head 14, and the handle 11 is located at the oxygen tube 13 One end; the cutting nozzle 3 is connected to the merging head 14, that is, the mouthpiece connecting thread 33 is screwed to the turning head 13.
- the wire 21 passes through the fourth perforation 12 of the handle 11 and then sequentially penetrates into the oxygen tube 13, the confluence head 14 and the cutting nozzle 3 and is connected to the outlet nozzle 3. Oxygen nozzle 35.
- the wall of the oxygen tube 13 may be provided with a first through hole 131 through which the wire 21 is bored.
- the first through hole 131 is provided with a sealing device, and the sealing device can seal the first through hole 131 to prevent It leaked.
- the torch body 1 may further include an oxygen valve 15 between the handle 11 and the oxygen tube 13, and the side wall of the oxygen valve 15 is integrally formed with a thickening portion 16, a thickening portion.
- a third through hole 17 through which the wire 21 is bored may be opened in the 16th.
- One end of the third through hole 17 communicates with one end of the oxygen valve 15 near the oxygen tube 13, and the other end of the third through hole 17 is provided with the wire 21 penetrating and provided with a sealing device.
- the sealing device can seal the third perforation 17 to prevent it from leaking.
- the wire 21 passes through the fourth perforation 12 of the handle 11 and then penetrates into the third perforation 17 and enters the oxygen tube 13 across the oxygen valve 15.
- the oxygen tube 13, the confluence head 14 and the cutting nozzle 3 are all in communication. Therefore, after entering the oxygen tube 13, the lead wire 21 can directly penetrate into the oxygen outlet nozzle 35 in the cutting nozzle 3, and is connected to the oxygen outlet nozzle 35.
- the oxygen outlet 35 is used as the positive electrode of the direct current discharge device 2.
- the sealing device may include a hole wall 41, a rubber pad 42 and a nut 43.
- the hole wall 41 is a tubular structure with two ends open. In the first embodiment, one end of the hole wall 41 is open and welded to the first through hole 131. In the second embodiment described above, one end of the hole wall 41 is openly welded to the third through hole 17.
- the outer side wall of the hole wall 41 is integrally formed with a threaded portion, the nut 43 is screwed to the hole wall 41, and the rubber pad 42 is disposed at the end of the hole wall 41. In the embodiment, the rubber pad 42 is plugged at the end of the hole wall 41.
- the rubber pad 42 is provided with a second through hole 44 through which the wire 21 is bored, and one end of the nut 43 is provided with an annular retaining ring 45 for pressing the rubber pad 42 against the hole wall 41.
- the rubber pad 42 is pressed against the hole wall 41 by the annular retaining ring 45 to seal the opening of the hole wall 41.
- the second through hole 44 is also pressed by the annular ring 45. The gap between the second through hole 44 and the wire 21 is pressed to perform sealing.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
- Plasma Technology (AREA)
Abstract
Description
Claims (7)
- 一种割嘴,其特征在于:包括嘴芯(31)和套设于所述嘴芯(31)的嘴帽(32),所述嘴芯(31)包括依次连接的嘴帽连接丝扣(33)、金属管(37)、绝缘管(34)和出氧嘴(35);所述嘴帽连接丝扣(33)包括有高压出氧孔,所述金属管(37)与所述高压出氧孔连通,所述绝缘管(34)插设于所述金属管(37)内,所述出氧嘴(35)一端插设于所述绝缘管(34)内;所述嘴帽(32)前端出口处设有金属环(321),所述金属环(321)内侧设有绝缘环(322),所述绝缘环(322)的孔为混合气出孔,所述金属环(321)与所述出氧嘴(35)前端之间的区域为脉冲点火放电区。
- 如权利要求1所述的一种割嘴,其特征在于:所述嘴帽(32)内部靠近前端处设有第一绝缘管体(323),所述出氧嘴(35)套设有第二绝缘管体(324),所述第二绝缘管体(324)与所述绝缘管(34)相连接,所述第一绝缘管体(323)套设于所述出氧嘴(35),所述第一绝缘管体(323)与所述出氧嘴(35)之间为混合气第一通口(325),所述第一绝缘管体(323)后端套设于所述第二绝缘管体(324)前端,所述第一绝缘管体(323)和第二绝缘管体(324)之间设有混合气第二通口(326),所述混合气第一通口(325)与所述混合气第二通口(326)相通;所述出氧嘴(35)未被所述第二绝缘管体(324)覆盖处经过所述混合气第二通口(326)到所述嘴帽(32)内壁的最短距离要大于所述出氧嘴(35)前端绕过所述绝缘环(322)到所述金属环(321)的最短距离。
- 如权利要求1所述的一种割嘴,其特征在于:所述绝缘管(34)内设有导电管(341),所述导电管(341)与所述出氧嘴(35)连接。
- 如权利要求1所述的一种割嘴,其特征在于:所述金属管(37)与所述嘴帽连接丝扣(33)之间通过一体成型、焊接或螺栓进行密封连接。
- 如权利要求1所述的一种割嘴,其特征在于:所述绝缘管(34)以陶瓷管、云母管或塑料管制成。
- 如权利要求1所述的一种割嘴,其特征在于:所述金属管(37)与所述绝缘管(34)连接的一端内壁环向设有凹环,所述凹环与绝缘管(34)外壁之间形成密封腔(38),所述密封腔(38)内填充有胶水。
- 如权利要求1所述的一种割嘴,其特征在于:所述出氧嘴(35)插设于所述绝缘管(34),所述出氧嘴(35)***所述绝缘管(34)内的一端呈锥形状结构,且与绝缘管(34)内壁形成凹部(36)。
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CN201820368396.9U CN207936077U (zh) | 2018-03-16 | 2018-03-16 | 一种割嘴 |
CN201820368396.9 | 2018-03-16 |
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CN207936077U (zh) * | 2018-03-16 | 2018-10-02 | 徐慕庆 | 一种割嘴 |
CN108561881B (zh) * | 2018-03-16 | 2023-11-24 | 徐慕庆 | 一种割嘴 |
CN110524087B (zh) * | 2019-09-26 | 2024-06-18 | 徐慕庆 | 一种割嘴及自动点火的割枪 |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0093048A2 (fr) * | 1982-04-22 | 1983-11-02 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Chalumeau du type à allumage par étincelles |
EP0102907A2 (fr) * | 1982-09-07 | 1984-03-14 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Chalumeau du type à allumage par étincelles |
JPS6189416A (ja) * | 1984-10-05 | 1986-05-07 | Seiji Kagawa | 火口 |
CN2124380U (zh) * | 1992-02-02 | 1992-12-09 | 张汉文 | 电子点火割炬 |
CN2301287Y (zh) * | 1997-07-03 | 1998-12-23 | 李为刚 | 一种电子点火割炬 |
CN2570636Y (zh) * | 2002-10-02 | 2003-09-03 | 王石新 | 电子连续点火安全氧割枪 |
CN204141585U (zh) * | 2014-08-27 | 2015-02-04 | 刘俊 | 一种焊枪弯管 |
CN106765303A (zh) * | 2017-03-21 | 2017-05-31 | 徐慕庆 | 一种割枪的电子自动内点火装置 |
CN206608982U (zh) * | 2017-03-21 | 2017-11-03 | 徐慕庆 | 一种割枪的电子自动内点火装置 |
CN107559829A (zh) * | 2017-10-25 | 2018-01-09 | 徐慕庆 | 一种能自动内点火的焊割一体枪 |
CN108561881A (zh) * | 2018-03-16 | 2018-09-21 | 徐慕庆 | 一种割嘴 |
CN207936077U (zh) * | 2018-03-16 | 2018-10-02 | 徐慕庆 | 一种割嘴 |
-
2018
- 2018-03-16 CN CN201820368396.9U patent/CN207936077U/zh active Active
-
2019
- 2019-02-22 WO PCT/CN2019/075877 patent/WO2019174451A1/zh active Application Filing
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0093048A2 (fr) * | 1982-04-22 | 1983-11-02 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Chalumeau du type à allumage par étincelles |
EP0102907A2 (fr) * | 1982-09-07 | 1984-03-14 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Chalumeau du type à allumage par étincelles |
JPS6189416A (ja) * | 1984-10-05 | 1986-05-07 | Seiji Kagawa | 火口 |
CN2124380U (zh) * | 1992-02-02 | 1992-12-09 | 张汉文 | 电子点火割炬 |
CN2301287Y (zh) * | 1997-07-03 | 1998-12-23 | 李为刚 | 一种电子点火割炬 |
CN2570636Y (zh) * | 2002-10-02 | 2003-09-03 | 王石新 | 电子连续点火安全氧割枪 |
CN204141585U (zh) * | 2014-08-27 | 2015-02-04 | 刘俊 | 一种焊枪弯管 |
CN106765303A (zh) * | 2017-03-21 | 2017-05-31 | 徐慕庆 | 一种割枪的电子自动内点火装置 |
CN206608982U (zh) * | 2017-03-21 | 2017-11-03 | 徐慕庆 | 一种割枪的电子自动内点火装置 |
CN107559829A (zh) * | 2017-10-25 | 2018-01-09 | 徐慕庆 | 一种能自动内点火的焊割一体枪 |
CN108561881A (zh) * | 2018-03-16 | 2018-09-21 | 徐慕庆 | 一种割嘴 |
CN207936077U (zh) * | 2018-03-16 | 2018-10-02 | 徐慕庆 | 一种割嘴 |
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