CN102615377B - A kind of anti-backfire hydrogen welding welding-gun - Google Patents
A kind of anti-backfire hydrogen welding welding-gun Download PDFInfo
- Publication number
- CN102615377B CN102615377B CN201210086845.8A CN201210086845A CN102615377B CN 102615377 B CN102615377 B CN 102615377B CN 201210086845 A CN201210086845 A CN 201210086845A CN 102615377 B CN102615377 B CN 102615377B
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- hydrogen
- oxygen
- pipe
- regulating valve
- welding
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Abstract
The invention discloses a kind of anti-backfire hydrogen welding welding-gun, comprise handle, oxygen feeding tube, enter hydrogen pipe, oxygen output pipe, go out hydrogen pipe, nozzle, oxygen regulating valve and hydrogen regulating valve, oxygen path and hydrogen passage is respectively equipped with in described handle, oxygen path one end is connected with oxygen feeding tube, the other end and oxygen output pipe are connected, hydrogen passage with enter hydrogen pipe and be connected, the other end with go out hydrogen pipe and be connected, oxygen regulating valve is installed on the junction of oxygen path and oxygen output pipe, hydrogen regulating valve is installed on hydrogen passage and the junction going out hydrogen pipe, go out hydrogen pipe and be all connected nozzle with oxygen output pipe, be hydrogen outlet in the middle of nozzle, periphery is oxygen outlet, hydrogen outlet connects hydrogen pipe, oxygen outlet connects oxygen output pipe.Owing to taking technique scheme, can not there is tempering phenomenon in the present invention, safe and reliable; Use hydrogen to replace acetylene, burning does not produce pernicious gas, environmentally safe; Temperature regulates simple and convenient and ignition temperature adjustable extent is large.
Description
Technical field
The invention belongs to welding technology field, be specifically related to a kind of anti-backfire hydrogen welding welding-gun.
Background technology
Welding gun utilizes oxygen and mesolow acetylene as the instrument of thermal source welding or preheating ferrous metal or non-ferrous metal workpiece, is also the main tool of gas welding operation.Its principle is fuel gas to mix equably by a certain percentage with oxygen, sprays from tip with certain speed, forms certain efficiency, certain ingredients, is applicable to the flame of welding requirements and smooth combustion, carry out gas welding to workpiece.
This welding gun once there is muzzle and to block or mixed airflow speed is less than flame velocity, then or mist in the ratio of oxygen or air too large, be easy to cause tempering thus make flame get back to gas tank inside, causing danger even to explode.
Existing fireproof tempering device and method mainly install anti backfire valve or check valve class device in welding pipeline, although these methods can avoid flame to enter the generation of phenomenon in gas tank, but inevitably in use can welding gun be caused because of tempering to extinguish, thus affect service efficiency.
In order to avoid the problems referred to above, be necessary to improve to obtain to existing welding gun a kind ofly there is higher safety coefficient and easy to use.
Summary of the invention
The object of the invention is just to provide one can change existing acetylene burner from structure, and obtaining one can anti-backfire hydrogen torch safely and efficiently.
For achieving the above object, the present invention takes following technical scheme:
A kind of anti-backfire hydrogen welding welding-gun, comprise handle, oxygen feeding tube, enter hydrogen pipe, oxygen output pipe, go out hydrogen pipe, nozzle, oxygen regulating valve and hydrogen regulating valve, oxygen path and hydrogen passage is respectively equipped with in described handle, oxygen path one end is connected with oxygen feeding tube, the other end and oxygen output pipe are connected, hydrogen passage with enter hydrogen pipe and be connected, the other end with go out hydrogen pipe and be connected, oxygen regulating valve is installed on the junction of oxygen path and oxygen output pipe, hydrogen regulating valve is installed on hydrogen passage and the junction going out hydrogen pipe, go out hydrogen pipe and be all connected nozzle with oxygen output pipe, be hydrogen outlet in the middle of nozzle, periphery is oxygen outlet, hydrogen outlet connects hydrogen pipe, oxygen outlet connects oxygen output pipe.
Described hydrogen regulating valve comprises a regulating wheel and an adjustable column, and this regulating wheel is positioned on the downside of handle front end, conveniently can regulate the gas output of hydrogen with thumb.
Described oxygen regulating valve comprises a regulating wheel and an adjustable column, and this regulating wheel is positioned on the upside of handle front end, conveniently can regulate the gas output of oxygen with forefinger.
The oxygen outlet of described nozzle is plum blossom shape, and oxygen and being blended in outside nozzle of hydrogen are carried out, even if nozzle blockage occurs or also tempering phenomenon can not occur for unsaturated vapor.
Owing to taking technique scheme, the present invention has following beneficial effect: because fuel gas burns at nozzle exterior, without the anxiety of mixing, tempering phenomenon can not occur, safe and reliable; Use hydrogen to replace acetylene, burning does not produce pernicious gas, environmentally safe; Temperature regulates simple and convenient, regulates during welding temperature and only need regulate hydrogen, carrier of oxygen proportioning and adjustable flame temperature by regulating hydrogen, oxygen valve; And ignition temperature adjustable extent is large, 1000 DEG C ~ 2800 DEG C scopes.
Accompanying drawing explanation
Fig. 1 is the sectional view of anti-backfire hydrogen welding welding-gun of the present invention.
Fig. 2 is the sectional view of the nozzle of anti-backfire hydrogen welding welding-gun of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, set forth the present invention further.
As shown in Figure 1 and Figure 2, anti-backfire hydrogen welding welding-gun of the present invention, comprises handle 100, oxygen feeding tube 200, enters hydrogen pipe 300, oxygen output pipe 400, goes out hydrogen pipe 500, nozzle 600, oxygen regulating valve 700 and hydrogen regulating valve 800.
Be respectively equipped with oxygen path 110 and hydrogen passage 120 in handle 100, oxygen path 110 one end is connected with oxygen feeding tube 200, and the other end and oxygen output pipe 400 are connected, hydrogen passage 120 with enter hydrogen pipe 300 and be connected, the other end with go out hydrogen pipe 500 and be connected.
Oxygen regulating valve 700 comprises regulating wheel 710 and adjustable column 720, be installed on the junction of oxygen path 110 and oxygen output pipe 400, adjustable column 720 can control the space of the junction of oxygen path 110 and oxygen output pipe 400 under the drive of regulating wheel 710, regulating wheel 710 is positioned on the upside of handle front end, being in forefinger can light accessible position, the convenient gas output regulating oxygen, hydrogen regulating valve 800 comprises regulating wheel 810 and adjustable column 820, be installed on hydrogen passage 120 and the junction going out hydrogen pipe 500, adjustable column 820 can control hydrogen passage 110 and go out the space of junction of hydrogen pipe 500 under the drive of regulating wheel 810, regulating wheel 810 is positioned on the downside of handle front end, being in thumb can light accessible position, the convenient gas output regulating hydrogen.
Go out hydrogen pipe 500 and be all connected nozzle 600 with oxygen output pipe 400, be hydrogen outlet 610 in the middle of nozzle 600, periphery is oxygen outlet 620, hydrogen outlet 610 and Chu Qingguan 500 UNICOM, oxygen outlet 620 is plum blossom shape (not shown), with oxygen output pipe 400 UNICOM.
What during use, hydrogen and oxygen are passed into respectively welding gun enters hydrogen pipe and oxygen feeding tube, opens hydrogen regulating valve and oxygen regulating valve, treats that muzzle has gas to spray, get final product ignition operation.
According to welding temperature requirement, regulate the regulating wheel of two control valves to regulate the proportioning of hydrogen and oxygen, to reach best welding temperature.
Weld complete, first close hydrogen regulating wheel, rear closedown oxygen regulating wheel, completes welding operation.
Above-described embodiment is interpreted as only being not used in for illustration of the present invention limiting the scope of the invention.After the content of having read the present invention's record, those skilled in the art can make various changes or modifications the present invention, and these equivalence changes and modification fall into the scope of the claims in the present invention equally.
Claims (1)
1. an anti-backfire hydrogen welding welding-gun, comprise handle, oxygen feeding tube, enter hydrogen pipe, oxygen output pipe, go out hydrogen pipe, nozzle, oxygen regulating valve and hydrogen regulating valve, it is characterized in that, oxygen path and hydrogen passage is respectively equipped with in described handle, oxygen path one end is connected with oxygen feeding tube, the other end and oxygen output pipe are connected, hydrogen passage with enter hydrogen pipe and be connected, the other end with go out hydrogen pipe and be connected, oxygen regulating valve is installed on the junction of oxygen path and oxygen output pipe, hydrogen regulating valve is installed on hydrogen passage and the junction going out hydrogen pipe, go out hydrogen pipe and be all connected nozzle with oxygen output pipe, be hydrogen outlet in the middle of nozzle, periphery is oxygen outlet, hydrogen outlet connects hydrogen pipe, oxygen outlet connects oxygen output pipe, described hydrogen regulating valve comprises a regulating wheel and an adjustable column, and this regulating wheel is positioned on the downside of handle front end, described oxygen regulating valve comprises a regulating wheel and an adjustable column, and this regulating wheel is positioned on the upside of handle front end, the oxygen outlet of described nozzle is plum blossom shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210086845.8A CN102615377B (en) | 2012-03-28 | 2012-03-28 | A kind of anti-backfire hydrogen welding welding-gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210086845.8A CN102615377B (en) | 2012-03-28 | 2012-03-28 | A kind of anti-backfire hydrogen welding welding-gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102615377A CN102615377A (en) | 2012-08-01 |
| CN102615377B true CN102615377B (en) | 2015-08-05 |
Family
ID=46555772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210086845.8A Expired - Fee Related CN102615377B (en) | 2012-03-28 | 2012-03-28 | A kind of anti-backfire hydrogen welding welding-gun |
Country Status (1)
| Country | Link |
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| CN (1) | CN102615377B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075732B (en) * | 2012-12-25 | 2015-05-13 | 宁波隆兴焊割科技股份有限公司 | Novel oxyhydrogen flame gun |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4455176A (en) * | 1983-05-17 | 1984-06-19 | Union Carbide Corporation | Post-mixed oxy-fuel gas cutting torch and nozzle and method of oxy-fuel gas cutting |
| US5700421A (en) * | 1992-11-25 | 1997-12-23 | Bissonnette; Claude | Cutting nozzle assembly for a postmixed oxy-fuel gas torch |
| US6277323B1 (en) * | 1992-11-25 | 2001-08-21 | Oxy-Arc International Inc. | Cutting nozzle assembly for a postmixed oxy-fuel gas torch |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86205488U (en) * | 1986-07-28 | 1987-07-22 | 重庆焊割工具厂 | Semi-injection type multigas welding and cutting torch with back valve for against flashback |
| CN2271943Y (en) * | 1996-11-19 | 1998-01-07 | 王文阁 | Safety flame retardant means for oxy-hydrogen welding cutter |
| CN2316079Y (en) * | 1997-12-19 | 1999-04-28 | 高士乐 | Handle Self-heating welding and cutting torch |
| US6726471B2 (en) * | 2001-08-27 | 2004-04-27 | The Esab Group, Inc. | Flashback arrestor for use with head of Oxy-fuel torch |
| KR101047528B1 (en) * | 2008-07-19 | 2011-07-07 | 이명희 | torch |
-
2012
- 2012-03-28 CN CN201210086845.8A patent/CN102615377B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4455176A (en) * | 1983-05-17 | 1984-06-19 | Union Carbide Corporation | Post-mixed oxy-fuel gas cutting torch and nozzle and method of oxy-fuel gas cutting |
| US5700421A (en) * | 1992-11-25 | 1997-12-23 | Bissonnette; Claude | Cutting nozzle assembly for a postmixed oxy-fuel gas torch |
| US6277323B1 (en) * | 1992-11-25 | 2001-08-21 | Oxy-Arc International Inc. | Cutting nozzle assembly for a postmixed oxy-fuel gas torch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102615377A (en) | 2012-08-01 |
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Granted publication date: 20150805 Termination date: 20160328 |
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| CF01 | Termination of patent right due to non-payment of annual fee |