CN202741885U - Oxyhydrogen gas cutting gun and gun body thereof - Google Patents
Oxyhydrogen gas cutting gun and gun body thereof Download PDFInfo
- Publication number
- CN202741885U CN202741885U CN 201220433061 CN201220433061U CN202741885U CN 202741885 U CN202741885 U CN 202741885U CN 201220433061 CN201220433061 CN 201220433061 CN 201220433061 U CN201220433061 U CN 201220433061U CN 202741885 U CN202741885 U CN 202741885U
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- hydrogen
- oxygen gas
- oxygen
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Abstract
The utility model relates to a gun body of an oxyhydrogen gas cutting gun, which comprises a joint, a low-pressure oxygen pipe, a high-pressure oxygen pipe, an oxyhydrogen gas pipe, a penetrable hole oxyhydrogen gas pipe, a cutting torch mounting part and a cutting torch clamp nut, wherein the joint is provided with a low-pressure oxygen channel, a high-pressure oxygen channel, an oxyhydrogen gas channel and a penetrable hole oxyhydrogen gas channel; the low-pressure oxygen pipe, the high-pressure oxygen pipe, the oxyhydrogen gas pipe and the penetrable hole oxyhydrogen gas pipe are communicated with outlet sides of the low-pressure oxygen channel, the high-pressure oxygen channel, the oxyhydrogen gas channel and the penetrable hole oxyhydrogen gas channel respectively; the cutting torch mounting part is provided with a high-pressure oxygen ring groove, a low-pressure oxygen ring groove, an oxyhydrogen gas ring groove and a penetrable hole oxyhydrogen gas ring groove that form a jet channel with a cutting torch of the oxyhydrogen gas cutting gun and are communicated with the high-pressure oxygen channel, the low-pressure oxygen channel, the oxyhydrogen gas channel and the penetrable hole oxyhydrogen gas channel respectively; sealing surfaces are arranged between the two adjacent ring grooves; and the cutting torch clamp nut is matched with the connecting end of the cutting torch mounting part by threads to fix the cutting torch on the cutting torch mounting part. The difficulty of cutting holes is solved. The embodiment of the utility model also provides the oxyhydrogen gas cutting gun with the gun body.
Description
Technical field
The utility model relates to combustion gas cutting gun technical field, relate in particular to a kind of hydrogen and oxygen mixture as in combustion gas, the course of work more easily the perforation, the anti-backfire booster cutting gun and rifle body thereof.
Background technology
At present, along with the signature of each major country of the whole world to the greenhouse gas emission agreement, clean energy resource is all being greatly developed in recent years in the whole world.China is also in a planned way implementing energy-saving and emission-reduction, and has strengthened the scientific research investment to the clean fuel field.Particularly walked in global prostatitis in water electrolysis hydrogen production oxygen application facet China, begin to be applied on a large scale industry cutting iron and steel and the contour hot industry of oxygen welding copper, replaced the fossil fuel of the high pollutions such as acetylene, benzene alkane, coal gas, natural gas, heavy oil, maximum discharge.
Owing to the temperature high (3200 ℃) of oxyhydrogen burning, and the high-temperature region is more concentrated, and original cutting gun can cause the preheating area little in the process of preheating, and then causes difficulty when the cutting perforation, is that the alternative industrial fuel of oxyhydrogen causes adverse effect.In addition, because oxyhydrogen burning velocity fast (2920mm/sec), therefore original cutting gun all very easily causes the generation of tempering at Guan Huoshi, and the high pressure flue gas that tempering produces easily causes the damage of pipeline; During steel plate cutting perforation preheating, owing to the molten bath frost boiling occurs, tempering phenomenon also occurs easily, cause the damage of pipeline.
In sum, the cutting gun that existing hydrogen and oxygen mixture acts as a fuel is cut the hole hard problem because the high-temperature region is concentrated and then produced in the process of work, how solving existing cutting gun, to cut the hole hard problem be present those skilled in the art's problem demanding prompt solution.
The utility model content
In view of this, the purpose of this utility model is to provide a kind of rifle body of hydrogen-oxygen gas cutting gun, to solve existing hydrogen-oxygen gas cutting gun in the course of the work since preheating too concentrate so that cause cut the hole hard problem.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of rifle body of hydrogen-oxygen gas cutting gun comprises:
Be provided with the joint of Low Pressure Oxygen passage, hyperbaric oxygen passage, hydrogen-oxygen gas passage and perforation hydrogen-oxygen gas passage, the air inlet side of described Low Pressure Oxygen passage is provided with the Low Pressure Oxygen joint, the air inlet side of described hyperbaric oxygen passage is provided with the hyperbaric oxygen joint, the air inlet side of described hydrogen-oxygen gas passage is provided with the hydrogen-oxygen gas joint, and the air inlet side of described perforation hydrogen-oxygen gas passage is provided with perforation hydrogen-oxygen gas joint;
Be communicated with respectively Low Pressure Oxygen pipe, high-pressure oxygen tube, hydrogen-oxygen gas pipe and perforation hydrogen-oxygen gas pipe in described Low Pressure Oxygen passage, hyperbaric oxygen passage, hydrogen-oxygen gas passage and perforation hydrogen-oxygen gas channel outlet side;
Be provided with for the cutting torch with described hydrogen-oxygen gas cutting gun and form jet channel, and the cutting torch installation portion of the hyperbaric oxygen annular groove that is connected with described hyperbaric oxygen passage, Low Pressure Oxygen passage, hydrogen-oxygen gas passage and perforation hydrogen-oxygen gas passage respectively, Low Pressure Oxygen annular groove, hydrogen-oxygen gas annular groove, perforation hydrogen-oxygen gas annular groove is provided with sealing surface between two adjacent annular grooves;
With the link threaded engagement of described cutting torch installation portion described cutting torch is fixed on the cutting torch clamp nut of described cutting torch installation portion.
The hydrogen-oxygen gas cutting gun that the utility model provides only has on the basis of hyperbaric oxygen, Low Pressure Oxygen and hydrogen-oxygen gas at existing common cutting gun, set up perforation hydrogen-oxygen gas passage, being arranged so that when pre-hot piercing of perforation hydrogen-oxygen gas passage, utilize perforation hydrogen-oxygen gas passage moment increasing hydrogen-oxygen gas, perforation hydrogen-oxygen gas passage was opened and then instantaneous loss of pressure when preheating began, the moment increase of hydrogen-oxygen gas amount, can be so that effective preheating area change have been avoided the phenomenon owing to the concentrated perforation difficulty that causes of preheating.Simultaneously owing in the process of preheating, can increase the hydrogen-oxygen gas amount moment, so that reduce and then improved operating efficiency preheating time, owing to reduced preheating time, can reduce the consumption of hydrogen-oxygen gas in the whole warm, and then reach energy-saving and cost-reducing effect.
Preferably, in the rifle body of above-mentioned hydrogen-oxygen gas cutting gun, each described sealing surface is positioned on the same taper seat that increases gradually to the bottom transverse sectional area from described cutting torch installation portion top.
Preferably, in the rifle body of above-mentioned hydrogen-oxygen gas cutting gun, the conicity of described sealing surface is 29.8 ° ~ 45.2 °.
Preferably, in the rifle body of above-mentioned hydrogen-oxygen gas cutting gun, described hyperbaric oxygen annular groove, Low Pressure Oxygen annular groove, hydrogen-oxygen gas annular groove and perforation hydrogen-oxygen gas annular groove distribute to the bottom successively from the top of described cutting torch installation portion.
Preferably, in the rifle body of above-mentioned hydrogen-oxygen gas cutting gun, equal bypass relief pipeline on described Low Pressure Oxygen passage, hyperbaric oxygen passage, hydrogen-oxygen gas passage and the perforation hydrogen-oxygen gas passage is provided with relief valve on the described bypass relief pipeline.
In this preferred version, the cutting gun that is arranged so that of pressure-relief valve is closed the timely removal of tempering high-temperature gas that produces in the process of each passage when end-of-job, avoid the booster phenomenon of the tempering high-temperature flue gas generation of cutting end, improved the potential safety hazard of whole cutting gun.
Preferably, in the rifle body of above-mentioned hydrogen-oxygen gas cutting gun, also comprise the thermal insulation protection cover that two ends are fixedly linked with described joint and described cutting torch installation portion respectively.
Preferably, in the rifle body of above-mentioned hydrogen-oxygen gas cutting gun, be provided with adapter sleeve on the described joint, an end of described thermal insulation protection cover is sleeved on the described adapter sleeve, and links to each other by the screw in the collet positioning screw hole that penetrates both.
Preferably, in the rifle body of above-mentioned hydrogen-oxygen gas cutting gun, described adapter sleeve is for connecting copper sheathing.
Based on the above-mentioned rifle body that provides, a kind of hydrogen-oxygen gas cutting gun that the utility model embodiment also provides comprises rifle body and the cutting torch that is communicated with described rifle body, and described rifle body is the rifle body of the described hydrogen-oxygen gas cutting gun of above-mentioned any one.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
One longitudinal section of the rifle body of the hydrogen-oxygen gas cutting gun that Fig. 1 provides for the utility model embodiment;
Another longitudinal section of the rifle body of the hydrogen-oxygen gas cutting gun that Fig. 2 provides for the utility model embodiment;
The cross-sectional figure of the rifle body of the hydrogen-oxygen gas cutting gun that Fig. 3 provides for the utility model embodiment;
The structural representation of the cutting torch clamp nut of the hydrogen-oxygen gas cutting gun that Fig. 4 provides for the utility model embodiment;
Fig. 5 is the top view of Fig. 4.
Among upper Fig. 1-5:
Joint 1; adapter sleeve 2; hydrogen-oxygen gas pipe 3; high-pressure oxygen tube 4; Low Pressure Oxygen pipe 5; relief valve 6; hydrogen-oxygen gas joint 7; hyperbaric oxygen joint 8; Low Pressure Oxygen joint 9; relief valve 10; Low Pressure Oxygen passage 11; hyperbaric oxygen passage 12; collet support 13; hydrogen-oxygen gas passage 14; cutting torch installation portion 15; hyperbaric oxygen annular groove 16; hyperbaric oxygen sealing surface 17; Low Pressure Oxygen annular groove 18; Low Pressure Oxygen sealing surface 19; hydrogen-oxygen gas annular groove 20; hydrogen-oxygen gas sealing surface 21; perforation hydrogen-oxygen gas annular groove 22; perforation hydrogen-oxygen gas sealing surface 23; cutting torch sealing ring 24; cutting torch binding thread 25; collet positioning screw hole 26; cutting torch installation cavity 27; perforation hydrogen-oxygen gas pipe 28; thermal insulation protection cover 29; perforation hydrogen-oxygen gas passage 30; perforation hydrogen-oxygen gas joint 31; relief valve 32; cutting torch clamp nut 33.
The specific embodiment
The utility model embodiment provides a kind of rifle body of hydrogen-oxygen gas cutting gun, solved existing hydrogen-oxygen gas cutting gun in the course of the work because preheating concentrate so that cause cut the hole hard problem.
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment provides a kind of rifle body of hydrogen-oxygen gas cutting gun, comprises joint 1, Low Pressure Oxygen pipe 5, high-pressure oxygen tube 4, hydrogen-oxygen gas pipe 3, perforation hydrogen-oxygen gas pipe 28, cutting torch installation portion 15 and cutting torch clamp nut 33; Wherein:
Joint 1, it can be used as the connection basis of the miscellaneous part of whole cutting gun, be provided with Low Pressure Oxygen passage 11 on this joint 1, hyperbaric oxygen passage 12, hydrogen-oxygen gas passage 14 and perforation hydrogen-oxygen gas passage 30, the air inlet side of Low Pressure Oxygen passage 11 is provided with Low Pressure Oxygen joint 9 and is connected with the low pressure oxygen source with convenient, the air inlet side of hyperbaric oxygen passage 12 is provided with hyperbaric oxygen joint 8 and is connected with the high pressure oxygen source with convenient, the air inlet side of hydrogen-oxygen gas passage 14 is provided with hydrogen-oxygen gas joint 7 and is connected with the hydrogen-oxygen gas source with convenient, and the air inlet side of perforation hydrogen-oxygen gas passage 30 is provided with perforation hydrogen-oxygen gas joint 31 and is connected with perforation hydrogen-oxygen gas source with convenient;
Low Pressure Oxygen pipe 5, high-pressure oxygen tube 4, hydrogen-oxygen gas pipe 3 and perforation hydrogen-oxygen gas pipe 28 are connected with the outlet side of Low Pressure Oxygen passage 11, hyperbaric oxygen passage 12, hydrogen-oxygen gas passage 14 and perforation hydrogen-oxygen gas passage 30 respectively;
Cutting torch installation portion 15 is provided with cutting torch and forms jet channel, and respectively with described hyperbaric oxygen passage 12, Low Pressure Oxygen passage 11, the hyperbaric oxygen annular groove 16 that hydrogen-oxygen gas passage 14 and perforation hydrogen-oxygen gas passage 30 are connected, Low Pressure Oxygen annular groove 18, hydrogen-oxygen gas annular groove 20, the cutting torch installation portion 15 of perforation hydrogen-oxygen gas annular groove 22, be provided with sealing surface between two adjacent annular grooves, concrete, be provided with hyperbaric oxygen sealing surface 17 between hyperbaric oxygen annular groove 16 and the Low Pressure Oxygen annular groove 18, be provided with Low Pressure Oxygen sealing surface 19 between Low Pressure Oxygen annular groove 18 and the hydrogen-oxygen gas annular groove 20, be provided with hydrogen-oxygen gas sealing surface 21 between hydrogen-oxygen gas annular groove 20 and the perforation hydrogen-oxygen gas annular groove 22, be provided with perforation hydrogen-oxygen gas sealing surface 23 between perforation hydrogen-oxygen gas annular groove 22 and the cutting torch sealing ring 24;
Cutting torch clamp nut 33 is fixed in the cutting torch installation cavity 27 of cutting torch installation portion 15 with the link with cutting torch with the link threaded engagement of cutting torch installation portion 15.
The following operation in the course of work of cutting gun of the cavity of the hydrogen-oxygen gas cutting gun that the utility model embodiment provides is as follows:
In the process of cutting, hydrogen-oxygen gas joint 7 is connected the hydrogen-oxygen gas source, hydrogen-oxygen gas enters into hydrogen-oxygen gas pipe 3, and finally namely can be used for welding or heating by the cutting torch ejection by hydrogen-oxygen gas annular groove 20 is rear, the process that is used for cutting is opened perforation hydrogen-oxygen gas passage 30 simultaneously so that the cutting torch aligning needs the material of cutting to begin preheating, perforation sprays from cutting torch after entering the hydrogen-oxygen gas annular groove 22 of boring a hole with hydrogen-oxygen gas moment by perforation hydrogen-oxygen passage 30 in large quantities, moment, a large amount of hydrogen-oxygen gas flows strengthened the purpose of flame, so that whole preheating area strengthens the hard problem of having avoided too concentrating owing to preheating in the prior art perforation that causes, after preheating is finished, open the high pressure oxygen source that is connected on the hyperbaric oxygen joint 8 and begin perforation, close the perforation hydrogen-oxygen gas source that is connected on the perforation hydrogen-oxygen gas joint 31 after the hole penetrates, beginning is cutting normally.When cutting, finish to close the high pressure oxygen source that is connected on the hyperbaric oxygen joint 8, stop working at the oxyhydrogen flame of opening the Low Pressure Oxygen blowing-out burning that is connected on the Low Pressure Oxygen joint 9, the last hydrogen-oxygen gas source that is connected on the hydrogen-oxygen gas joint 7 of closing again, whole cutting process finishes.
Description by the above-mentioned course of work, in the warm of the work of cutting, the rifle body increase of the hydrogen-oxygen gas cutting gun that the utility model embodiment provides is provided with perforation hydrogen-oxygen gas joint 31 and enters into perforation hydrogen-oxygen gas passage 30, perforation hydrogen-oxygen gas pipe 28 also finally sprays from cutting torch by perforation hydrogen-oxygen gas annular groove 22, the perforation hydrogen-oxygen gas pipeline of setting up is so that can open the purpose that reaches a large amount of hydrogen-oxygen gas of instantaneous generation in the process of cutting preheating, a large amount of combustion gas ejection and burning have improved being cut the preheating area of object, have avoided existing cutting gun preheating too to concentrate and cause the perforation hard problem.
Above-mentioned cutting torch installation portion 15 is mainly used in installing cutting torch, in order to guarantee the hermetic seal of each gas passage, (hyperbaric oxygen sealing surface 17, Low Pressure Oxygen sealing surface 19, hydrogen-oxygen gas sealing surface 21, perforation hydrogen-oxygen gas sealing surface 23 are positioned on the same taper seat that cutting torch installation portion 15 top base cross-sectional areas increase gradually each sealing surface in this patent on the cutting torch mounting head, concrete, the conicity of each sealing surface is 29.8 ° ~ 45.2 °.
In the process of work, because hyperbaric oxygen is used for the process of cutting, for moment of guaranteeing the hyperbaric oxygen air-flow, rapidly ejection, concrete hyperbaric oxygen annular groove 16, Low Pressure Oxygen annular groove 18, hydrogen-oxygen gas annular groove 20 and perforation hydrogen-oxygen gas annular groove 22 set gradually to the bottom from the top of cutting torch installation portion.Concrete, the import of above-mentioned hyperbaric oxygen annular groove 16 is arranged on the center of cutting torch installation portion 15.
The phenomenon that can have tempering in the concrete cutting process, the high pressure flue gas of the moment that tempering causes can cause booster, in order to address this problem, in the hydrogen-oxygen gas cutting gun that present embodiment provides, Low Pressure Oxygen passage 11, hyperbaric oxygen passage 12, equal bypass relief pipeline on hydrogen-oxygen gas passage 14 and the perforation hydrogen-oxygen gas passage 30, be provided with relief valve on the described bypass relief pipeline, specifically as Figure 1-3, be provided with relief valve 10 on the bypass relief pipeline of Low Pressure Oxygen passage 11, be provided with relief valve on the bypass relief pipeline of hyperbaric oxygen passage 12, be provided with relief valve 6 on the bypass relief pipeline of hydrogen-oxygen gas passage 14, be provided with relief valve 32 on the bypass relief pipeline of perforation hydrogen-oxygen gas passage 30.
Can produce a large amount of heats in the concrete cutting process; be unfavorable for operator's operation; in order further to optimize technique scheme, the rifle body of above-mentioned hydrogen-oxygen gas cutting gun has two ends and overlaps 29 with the thermal insulation protection that joint 1 and cutting torch installation portion 15 are fixedly linked respectively.Concrete, being provided with adapter sleeve 2 on the above-mentioned joint 1, an end of thermal insulation protection cover 29 is sleeved on the adapter sleeve 2, and links to each other by the screw in the collet positioning screw hole 26 that penetrates both.The other end of adapter sleeve 2 is located in the collet positioning screw hole 26 on the thermal insulation protection cover 29 and then realization links to each other with cutting torch installation portion 15.
The utility model embodiment also provides a kind of hydrogen-oxygen gas cutting gun, comprises rifle body and the cutting torch that is communicated with described rifle body, and concrete rifle body is the rifle body of the hydrogen-oxygen gas cutting gun described in above-described embodiment.
Concrete, in the hydrogen-oxygen gas cutting gun in the present embodiment, the bottom of cutting torch installation portion 15 is provided with sealing mounting groove and cutting torch binding thread 25, and assurance is tightly connected with cutting torch.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can in the situation that does not break away from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. the rifle body of a hydrogen-oxygen gas cutting gun is characterized in that, comprising:
Be provided with the joint (1) of Low Pressure Oxygen passage (11), hyperbaric oxygen passage (12), hydrogen-oxygen gas passage (14) and perforation hydrogen-oxygen gas passage (30), the air inlet side of described Low Pressure Oxygen passage (11) is provided with Low Pressure Oxygen joint (9), the air inlet side of described hyperbaric oxygen passage (12) is provided with hyperbaric oxygen joint (8), the air inlet side of described hydrogen-oxygen gas passage (14) is provided with hydrogen-oxygen gas joint (7), and the air inlet side of described perforation hydrogen-oxygen gas passage (30) is provided with perforation hydrogen-oxygen gas joint (31);
Be communicated with respectively Low Pressure Oxygen pipe (5), high-pressure oxygen tube (4), hydrogen-oxygen gas pipe (3) and perforation hydrogen-oxygen gas pipe (28) at described Low Pressure Oxygen passage (11), hyperbaric oxygen passage (12), hydrogen-oxygen gas passage (14) and perforation hydrogen-oxygen gas passage (30) outlet side;
Be provided with for the cutting torch with described hydrogen-oxygen gas cutting gun and form jet channel, and the cutting torch installation portion (15) of the hyperbaric oxygen annular groove (16) that is connected with described hyperbaric oxygen passage (12), Low Pressure Oxygen passage (11), hydrogen-oxygen gas passage (14) and perforation hydrogen-oxygen gas passage (30) respectively, Low Pressure Oxygen annular groove (18), hydrogen-oxygen gas annular groove (20), perforation hydrogen-oxygen gas annular groove (22) is provided with sealing surface between two adjacent annular grooves;
With the link threaded engagement of described cutting torch installation portion (15) described cutting torch is fixed on the cutting torch clamp nut (33) of described cutting torch installation portion (15).
2. the rifle body of hydrogen-oxygen gas cutting gun according to claim 1 is characterized in that, each described sealing surface is positioned on the same taper seat that increases gradually to the bottom transverse sectional area from described cutting torch installation portion (15) top.
3. the rifle body of hydrogen-oxygen gas cutting gun according to claim 2 is characterized in that, the conicity of described sealing surface is 29.8 ° ~ 45.2 °.
4. the rifle body of hydrogen-oxygen gas cutting gun according to claim 1, it is characterized in that described hyperbaric oxygen annular groove (16), Low Pressure Oxygen annular groove (18), hydrogen-oxygen gas annular groove (20) and perforation hydrogen-oxygen gas annular groove (22) distribute to the bottom successively from the top of described cutting torch installation portion (15).
5. the rifle body of hydrogen-oxygen gas cutting gun according to claim 1, it is characterized in that, the upper equal bypass relief pipeline of described Low Pressure Oxygen passage (11), hyperbaric oxygen passage (12), hydrogen-oxygen gas passage (14) and perforation hydrogen-oxygen gas passage (30) is provided with relief valve on the described bypass relief pipeline.
6. the rifle body of the described hydrogen-oxygen gas cutting gun of any one is characterized in that according to claim 1-5, also comprises the thermal insulation protection cover (29) that two ends are fixedly linked with described joint (1) and described cutting torch installation portion (15) respectively.
7. the rifle body of hydrogen-oxygen gas cutting gun according to claim 6; it is characterized in that; be provided with adapter sleeve (2) on the described joint (1); one end of described thermal insulation protection cover (29) is sleeved on the described adapter sleeve (2), and links to each other by the screw in the collet positioning screw hole (26) that penetrates both.
8. the rifle body of hydrogen-oxygen gas cutting gun according to claim 7 is characterized in that, described adapter sleeve (2) is for connecting copper sheathing.
9. a hydrogen-oxygen gas cutting gun comprises rifle body and the cutting torch that is communicated with described rifle body, it is characterized in that, described rifle body is the rifle body of the described hydrogen-oxygen gas cutting gun of above-mentioned any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433061 CN202741885U (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen gas cutting gun and gun body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220433061 CN202741885U (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen gas cutting gun and gun body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202741885U true CN202741885U (en) | 2013-02-20 |
Family
ID=47701333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220433061 Withdrawn - After Issue CN202741885U (en) | 2012-08-28 | 2012-08-28 | Oxyhydrogen gas cutting gun and gun body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202741885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784996A (en) * | 2012-08-28 | 2012-11-21 | 北京中气华辰新能源技术开发有限公司 | Oxy-hydrogen gas cutting gun and gun body thereof |
| CN106180961A (en) * | 2016-08-26 | 2016-12-07 | 江苏亚威机床股份有限公司 | A kind of two-way parallel connection air perforations is with being combined cutting torch |
-
2012
- 2012-08-28 CN CN 201220433061 patent/CN202741885U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102784996A (en) * | 2012-08-28 | 2012-11-21 | 北京中气华辰新能源技术开发有限公司 | Oxy-hydrogen gas cutting gun and gun body thereof |
| CN102784996B (en) * | 2012-08-28 | 2014-10-15 | 北京中气华辰新能源技术开发有限公司 | Oxy-hydrogen gas cutting gun and gun body thereof |
| CN106180961A (en) * | 2016-08-26 | 2016-12-07 | 江苏亚威机床股份有限公司 | A kind of two-way parallel connection air perforations is with being combined cutting torch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20141015 |
|
| RGAV | Abandon patent right to avoid regrant |