CN2896035Y - Anti-burst tempering-proof cutting torch - Google Patents
Anti-burst tempering-proof cutting torch Download PDFInfo
- Publication number
- CN2896035Y CN2896035Y CN 200620101908 CN200620101908U CN2896035Y CN 2896035 Y CN2896035 Y CN 2896035Y CN 200620101908 CN200620101908 CN 200620101908 CN 200620101908 U CN200620101908 U CN 200620101908U CN 2896035 Y CN2896035 Y CN 2896035Y
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- valve
- oxygen
- acetylene
- main body
- cutting
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Abstract
An anti-burst tempering-proof cutting torch includes a cutting nozzle division (1), a cutting oxygen pipe (3), a mixed air pipe (2), a cutting oxygen valve (41), an oxygen valve (43), an inlet air pipe (6), an acetylene inlet pipe (7), a handle (5) and a main body (4), characterized in the main body (4) is provided with a acetylene valve (42), one end of the acetylene valve (42) connected with the acetylene inlet pipe provided in the handle (5) while the other end connected with the mixed air pipe (2). The utility model has advantages of convenient and safer operation, convenient closing of the acetylene valve and other valves in case of tempering; the cutting torch is provided with a fire retarding valve, which can effectively prevent blast accidents because the gas counter current stops the oxygen and acetylene temper, making sure use safety of industrial acetylene bottles and further improving flexibility and safety of the cutting torch because the fire stop valve can automatically reset and supply gas after the danger is removed.
Description
Technical field
The utility model relates to the welding cut bit technical field, especially refers to the anti-backfire cutting torch of a kind of antiknock.
Background technology
Existing traditional injector cutting torch is two valve integrated, and promptly collecting oxygen valve and cutting oxygen valve is one, and the acetylene valve has been positioned on the junctor of rear portion.As the patent No. is 91230523.1 Chinese utility model patent, and its structure is mainly by inlet suction port, and rear portion junctor, handle, main body, injecting tube, mixing tube, high-voltage tube, cutting head joint are formed.Inlet suction port connection rear portion fitting connects handle again and is contained on the main body, and injecting tube is housed on the main body, and injecting tube connects mixing tube, main body connects high-voltage tube, high-voltage tube connects cutting head joint, and cutting torch is housed on the cutting head joint, it is characterized in that being equipped with in the inlet suction port sintered part, the structure of this design is simpler, use also more conveniently, adopt sintered part to be contained in the inlet suction port again, can effectively guarantee acetylene gas flow in the passage, flame performance is up to state standards, again can anti-explosion fire.But its shortcoming is, do not overcome above-mentioned acetylene valve equally and be installed in shortcoming on the junctor of rear portion, when running into tempering when cutting torch work, because the acetylene valve is installed on the junctor of rear portion, be difficult in time close the acetylene valve because of nervous, impatient again, again because the defective of existence is gone up in this sintered part design, the institute so that possibility of accident occurrence still be difficult to avoid, and the acetylene valve is installed in brings greater inconvenience on the junctor of rear portion manipulating also of cutting torch, so its structure needs further improvement.
Summary of the invention
Technical problem to be solved in the utility model is to provide the antiknock reasonable, easy to operate and safe in utilization of a kind of project organization anti-backfire cutting torch at above-mentioned prior art present situation.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: the anti-backfire cutting torch of this antiknock, include cutting torch portion, the cutting oxygen pipe, mixture pipe, cutting oxygen valve, oxygen valve, oxygen intake pipe, the acetylene air inlet pipe, handle and main body, described main body is connected with handle, described oxygen intake pipe and acetylene air inlet pipe place in the handle separately, described oxygen intake pipe is connected with cutting oxygen valve with the oxygen valve that places main body, cutting oxygen valve is connected with cutting torch portion by the cutting oxygen pipe, and described oxygen valve is connected with cutting torch portion by mixture pipe, it is characterized in that described main body also is provided with the acetylene valve on it, one end of this acetylene valve acetylene air inlet pipe interior with placing handle is connected, and the other end of acetylene valve is connected with mixture pipe.
As improvement, described acetylene valve, oxygen valve and cutting oxygen valve can be designed to be arranged at mutual vertically in the main body, and described cutting oxygen valve is positioned at the top of acetylene valve and oxygen valve; Described acetylene valve and oxygen valve can be by separately passage and mixing tube in penetrate and inhale the chamber and be connected.
As further improvement, described acetylene air inlet pipe can be connected with the rear portion junctor, and in the acetylene air inlet of rear portion junctor, fire insulation valve is installed, and described oxygen intake pipe also is connected with the rear portion junctor, and in the oxygen air inlet of rear portion junctor, fire insulation valve also is installed.
Improve again, described fire insulation valve can comprise preferably the back-fire relief spring, the fire insulation valve pad, sealing ring, back-fire relief valve bonnet circle and fire insulation valve main body, the end of described fire insulation valve main body one end is provided with the sealing ring of annular, and described back-fire relief valve bonnet circle is the formula that is nested with sealing ring is threaded togather with the periphery of fire insulation valve main body with placing in it, in back-fire relief valve bonnet circle, be provided with platform level chamber, the fire insulation valve pad that in platform level chamber, is equipped with the back-fire relief spring and can slidably reciprocates in platform level chamber, described back-fire relief spring one end is supported on second level face in the platform level chamber, and its other end and fire insulation valve pad contact together, described fire insulation valve pad is according to the air pressure change in the platform level chamber, can place first level face in platform level chamber and place on the sealing ring of fire insulation valve body end with can sealing fire insulation valve main body gas outlet, and described level chamber is connected by the outlet of side opening with back-fire relief valve bonnet circle.
Compared with prior art, advantage of the present utility model is collection oxygen valve on the original main body and cutting oxygen valve two valve integrated collection oxygen valve, cutting oxygen valve and the acetylene valve three valve all-in-one-piece structures of changing into, acetylene valve on the junctor of traditional cutting torch rear portion is pacified on the mid-section body, make the operator more convenient to operate in use, safer, can make things convenient for, close in time acetylene valve and other each valve in case tempering takes place, improve the handling safety coefficient of cutting torch effectively; Also have its rear portion oxygen of cutting torch of the present utility model and acetylene air inlet place that fire insulation valve all is housed, this fire insulation valve can be opened under the pressure at 0.00055Mpa automatically, there is not gas leakage and when buffer brake 〉=0.55MPa, can stop automatically, can not only guarantee the throughput of gas in the pipeline, and can effectively prevent back flow of gas, when tempering takes place, can cut off air feed effectively and stop tempering, thereby stoped in the welding process explosion accident that takes place because of oxygen and acetylene gas tempering effectively, then ensured the security of using industrial acetylene cylinder, and fire insulation valve can automatically reset and continue the characteristics of air feed, the use flexibility and the security that have further improved cutting torch after dangerous the elimination.Therefore cutting torch of the present utility model is a kind of very practical product, is worthy of popularization.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the cutaway view among Fig. 1;
Fig. 3 is the stereogram of main body among Fig. 1;
Fig. 4 is the cutaway view of Fig. 3;
Fig. 5 is the vertical view cutaway drawing of doing of Fig. 4;
Fig. 6 is the left view of Fig. 4;
Fig. 7 is the cutaway view of A-A line among Fig. 1;
Fig. 8 is the cutaway view of B-B line among Fig. 2;
Fig. 9 is the partial sectional view of fire insulation valve among Fig. 1;
Figure 10 is the cutaway view of fire insulation valve among Fig. 1;
Figure 11 is the outside drawing of Fig. 9;
Figure 12 is the cutaway view of C-C line among Figure 11;
Figure 13 is the structure chart of fire insulation valve when normally opening duty among Fig. 1;
Figure 14 be among Fig. 1 when acetylene and oxygen are refunded the structure chart during the fire insulation valve closed condition.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Extremely shown in Figure 14 as Fig. 1, the anti-backfire cutting torch of present embodiment antiknock, include cutting torch portion 1, cutting oxygen pipe 3, mixture pipe 2, cutting oxygen valve 41, oxygen valve 43, oxygen intake pipe 6, acetylene air inlet pipe 7, handle 5 and main body 4, described main body 4 is connected with handle 5, described oxygen intake pipe 6 and acetylene air inlet pipe 7 place in the handle 5 separately, described oxygen intake pipe 6 is connected with cutting oxygen valve 41 with the oxygen valve 43 that places main body 4, cutting oxygen valve 41 is connected with cutting torch portion 1 by cutting oxygen pipe 3, and described oxygen valve 43 is connected with cutting torch portion 1 by mixture pipe 2.And also be provided with acetylene valve 42 on the described main body 4, see Fig. 1, Fig. 3 and shown in Figure 7, one end of this acetylene valve 42 is connected with acetylene air inlet pipe 7 in placing handle 5, and the other end of acetylene valve 42 is connected with mixture pipe 2, described acetylene valve 42, oxygen valve 43 and cutting oxygen valve 41 are for being arranged at mutual vertically in the main body 4, and cutting oxygen valve 41 is positioned at the top of acetylene valve 42 and oxygen valve 43.And penetrating in described acetylene valve 42 and oxygen valve 43 passage by separately and the mixing tube 2 inhaled chamber 21 and is connected, and sees shown in Figure 2.
Extremely shown in Figure 14 as Fig. 1, Fig. 2 and Fig. 9, described acetylene air inlet pipe 7 is connected with rear portion junctor 9, and in the acetylene air inlet of rear portion junctor 9, fire insulation valve 8 is installed, and described oxygen intake pipe 6 is connected with rear portion junctor 9, and in the oxygen air inlet of rear portion junctor 9, fire insulation valve 8 also is installed.This described fire insulation valve 8 includes back-fire relief spring 84, fire insulation valve pad 83, sealing ring 81, back-fire relief valve bonnet circle 82 and fire insulation valve main body 80, see Fig. 9 and shown in Figure 10, the end of described fire insulation valve main body 80 one ends is provided with the sealing ring 81 of annular, and described back-fire relief valve bonnet circle 82 is threaded togather sealing ring 81 for being nested with formula with placing in it with the periphery of fire insulation valve main body 80, in back-fire relief valve bonnet circle 82, be provided with platform level chamber 82d, see shown in Figure 10, the fire insulation valve pad 83 that in platform level chamber 82d, is equipped with back-fire relief spring 84 and can slidably reciprocates at platform level chamber 82d, described back-fire relief spring 84 one ends are supported on second level face 82b among the platform level chamber 82d, and its other end and fire insulation valve pad 83 contact together, described fire insulation valve pad 83 is according to the air pressure change among the platform level chamber 82d, can place first level face 82a of platform level chamber 82d and place on the sealing ring 82 of fire insulation valve main body 80 ends with can sealing fire insulation valve main body 80 gas outlet 80a, and described level chamber 82d is connected with the outlet 82c of back-fire relief valve bonnet circle 82 by side opening 82e.
Claims (5)
1, the anti-backfire cutting torch of a kind of antiknock, include cutting torch portion (1), cutting oxygen pipe (3), mixture pipe (2), cutting oxygen valve (41), oxygen valve (43), oxygen intake pipe (6), acetylene air inlet pipe (7), handle (5) and main body (4), described main body (4) is connected with handle (5), described oxygen intake pipe (6) and acetylene air inlet pipe (7) place in the handle (5) separately, described oxygen intake pipe (6) is connected with cutting oxygen valve (41) with the oxygen valve that places main body (4) (43), described cutting oxygen valve (41) is connected with cutting torch portion (1) by cutting oxygen pipe (3), and described oxygen valve (43) is connected with cutting torch portion (1) by mixture pipe (2), it is characterized in that described main body (4) also is provided with acetylene valve (42) on it, one end of this acetylene valve (42) the acetylene air inlet pipe (7) interior with placing handle (5) is connected, and the other end of acetylene valve (42) is connected with mixture pipe (2).
2, the anti-backfire cutting torch of antiknock according to claim 1, it is characterized in that described acetylene valve (42), oxygen valve (43) and cutting oxygen valve (41) for being arranged at mutual vertically in the main body (4), described cutting oxygen valve (41) is positioned at the top of acetylene valve (42) and oxygen valve (43).
3, the anti-backfire cutting torch of antiknock according to claim 2 is characterized in that penetrating in described acetylene valve (42) and oxygen valve (43) passage by separately and the mixing tube (2) inhale chamber (21) and be connected.
4, according to claim 1 or the anti-backfire cutting torch of 2 or 3 described antiknocks, it is characterized in that described acetylene air inlet pipe (7) is connected with rear portion junctor (9), and fire insulation valve (8) is installed in the acetylene air inlet of rear portion junctor (9), and described oxygen intake pipe (6) is connected with rear portion junctor (9), and in the oxygen air inlet of rear portion junctor (9) fire insulation valve (8) also is installed.
5, the anti-backfire cutting torch of antiknock according to claim 4, it is characterized in that described fire insulation valve (8) includes back-fire relief spring (84), fire insulation valve pad (83), sealing ring (81), back-fire relief valve bonnet circle (82) and fire insulation valve main body (80), the end of described fire insulation valve main body (80) one end is provided with the sealing ring (81) of annular, and described back-fire relief valve bonnet circle (82) places the periphery of its interior ground and fire insulation valve main body (80) to be threaded togather sealing ring (81) for being nested with formula, in back-fire relief valve bonnet circle (82), be provided with platform level chamber (82d), the fire insulation valve pad (83) that in platform level chamber (82d), is equipped with back-fire relief spring (84) and can slidably reciprocates in platform level chamber (82d), described back-fire relief spring (84) one end is supported on second level face (82b) in the platform level chamber (82d), and its other end and fire insulation valve pad (83) contact together, described fire insulation valve pad (83) is according to the air pressure change in the platform level chamber (82d), can place first level face (82a) in platform level chamber (82d) and can seal on the sealing ring (82) that fire insulation valve main body (80) gas outlet places fire insulation valve main body (80) end (80a), and described level chamber (82d) is connected with the outlet (82c) of back-fire relief valve bonnet circle (82) by side opening (82e).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620101908 CN2896035Y (en) | 2006-03-22 | 2006-03-22 | Anti-burst tempering-proof cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620101908 CN2896035Y (en) | 2006-03-22 | 2006-03-22 | Anti-burst tempering-proof cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2896035Y true CN2896035Y (en) | 2007-05-02 |
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ID=38065611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620101908 Expired - Fee Related CN2896035Y (en) | 2006-03-22 | 2006-03-22 | Anti-burst tempering-proof cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2896035Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968221A (en) * | 2010-10-27 | 2011-02-09 | 陈金楼 | Pressing handle type injection cutting torch |
| CN102759104A (en) * | 2012-07-04 | 2012-10-31 | 宁波隆兴焊割科技股份有限公司 | Non-flameout efficient anti-backfire cutting torch |
| CN103062771A (en) * | 2012-12-27 | 2013-04-24 | 宁波市江北兴达焊割减压仪表厂 | Cutting torch with anti-backfire device |
| CN104456563A (en) * | 2014-11-10 | 2015-03-25 | 宁波隆兴焊割科技股份有限公司 | Injection type anti-tempering cutting torch |
| CN108609447A (en) * | 2018-05-22 | 2018-10-02 | 江苏建筑职业技术学院 | A kind of tempering valve in mine hoisting steel cable testing inspection platform |
| CN111006210A (en) * | 2019-10-25 | 2020-04-14 | 宁波隆兴焊割科技股份有限公司 | Tempering-resistant cutting torch |
-
2006
- 2006-03-22 CN CN 200620101908 patent/CN2896035Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101968221A (en) * | 2010-10-27 | 2011-02-09 | 陈金楼 | Pressing handle type injection cutting torch |
| CN102759104A (en) * | 2012-07-04 | 2012-10-31 | 宁波隆兴焊割科技股份有限公司 | Non-flameout efficient anti-backfire cutting torch |
| CN103062771A (en) * | 2012-12-27 | 2013-04-24 | 宁波市江北兴达焊割减压仪表厂 | Cutting torch with anti-backfire device |
| CN104456563A (en) * | 2014-11-10 | 2015-03-25 | 宁波隆兴焊割科技股份有限公司 | Injection type anti-tempering cutting torch |
| CN108609447A (en) * | 2018-05-22 | 2018-10-02 | 江苏建筑职业技术学院 | A kind of tempering valve in mine hoisting steel cable testing inspection platform |
| CN111006210A (en) * | 2019-10-25 | 2020-04-14 | 宁波隆兴焊割科技股份有限公司 | Tempering-resistant cutting torch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070502 Termination date: 20150322 |
|
| EXPY | Termination of patent right or utility model |