CN205137461U - Penetrate and inhale formula cutting torch and promptly draw a temper explosion -proof equipment - Google Patents
Penetrate and inhale formula cutting torch and promptly draw a temper explosion -proof equipment Download PDFInfo
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- CN205137461U CN205137461U CN201520881317.0U CN201520881317U CN205137461U CN 205137461 U CN205137461 U CN 205137461U CN 201520881317 U CN201520881317 U CN 201520881317U CN 205137461 U CN205137461 U CN 205137461U
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- tooth post
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- acetylene
- cutting torch
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Abstract
The utility model relates to a tempering explosion -proof equipment especially relates to a penetrate and inhale formula cutting torch and promptly draw a temper explosion -proof equipment. Including high pressure oxygen pipe, acetylene trachea and the mixed air flue of oxy -acetylene install urgent tempering explosion -proof switch on the mixed air flue of oxy -acetylene. It includes switch drum and ball valve promptly to draw a temper explosion -proof switch, be equipped with arcuation railing and guide slot on the switch drum inner wall, go up the tooth post and be located with lower tooth post in the switch drum, go up the tooth post with the engaging tooth of tooth post all is provided with the direction muscle at the back down, the direction muscle is located in the guide slot, go up the tooth post with the mating surface of tooth post is the inclined plane of symmetry down, down the tooth post terminal through the spring with the ball valve is connected, the ball valve is located the entrance of acetylene trachea. The device button manual control, its simple structure, safe and reliable, easily installation and little to the cutting torch change.
Description
Technical field
The utility model relates to a kind of backfire explosion-proof device, particularly relates to the urgent backfire explosion-proof device of a kind of injector cutting torch.
Background technology
Injector cutting torch has that structure is simple, equipment is light, is convenient to implement field work, and method of operating is flexible, cutting mechanics method can be difficult to the cross sectional shape that cuts and thickness, and good economy performance, be requisite a kind of cutting tool in industrial processes.But because cutting torch blocking, gas leakage, cutting torch cause speed that oxy-acetylene mist flows out in cutting torch to be less than the burning velocity of mist apart from workpiece excessively near, that temperature crosses high various complexity reason in gas cutting process, cause flame reverse combustion, flame refluence burns out cutting torch, leather hose and burn welder and even enters in people's acetylene generator or acetylene cylinder, and combustion explosion accident will occur.In order to ensure its reliability service, after tempering occurs, resolute process seems very important in time, can avoid the generation of major accident, farthest reduces the damage of personnel and equipment.Injector cutting torch is installed emergent control switch can be implemented in after tempering occurs and can one-touch realization die rapidly flame-out, effectively prevent serious accident from occurring, avoid the personal risk that unnecessary economic loss and operating personnel bear.
Flame feedback proof device at present on gas cutting equipment is mainly installed check valve and is back in gas cylinder to what prevent flame on tracheae, though effectively prevent flame like this to flow backward in acetylene gas bottle and blast, to tempering burn out cutting torch, leather hose and burn welder accident have an effect not obvious.On cutting torch, original knob switch closedown cycle after tempering occurs is longer, and the switch direction of beginner's rotary switch is unfamiliar with also easily because valve closing causes burning out the generation of the accident phenomenons such as cutting torch, leather hose and burn welder not in time.Therefore for meeting the needs of safety in production, designing a kind of switching regulator backfire control switch, to realize safeguard protection, reducing production risk.
Summary of the invention
The purpose of this utility model is to provide a kind of injector cutting torch urgent backfire explosion-proof device, realizes, after tempering occurs, pressing backfire control switch, just can cut off acetylene gas supply, flame be extinguished rapidly, realizes the object of security protection.
For achieving the above object, the technical scheme that the present invention takes is: the urgent backfire explosion-proof device of a kind of injector cutting torch, comprises hyperbaric oxygen tracheae, acetylene gas pipe and oxy-acetylene mixed airway, and described oxy-acetylene mixed airway is provided with urgent back fire explosion preventing switch.
Further, described urgent back fire explosion preventing switch is positioned at the centre position of described oxy-acetylene mixed airway.
Further, described urgent back fire explosion preventing switch comprises switch cylinder and ball valve, described switch cylinder inner wall is provided with arcuation railing and guide groove, upper tooth post and lower tooth post are positioned at described switch cylinder, guiding rib is provided with after the engaging tooth of described upper tooth post and described lower tooth post, described guiding rib is positioned at described guide groove, the field of conjugate action of described upper tooth post and described lower tooth post is symmetrical inclined-plane, described lower tooth post end is connected with described ball valve by spring, and described ball valve is positioned at the porch of described acetylene gas pipe.
Preferably, described ball valve is just to the entrance of described acetylene gas pipe.
The beneficial effects of the utility model are: (1) installs urgent back fire explosion preventing switch on injector cutting torch, the continuation that rear one-touch control tempering occurs in injector cutting torch tempering can be realized, avoid because mishandling or disposal cause a series of industrial accident not in time.(2) this device button Non-follow control, its structure is simple, safe and reliable, is easy to install and changes cutting torch little.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
Fig. 1 is the assembling schematic diagram of apparatus of the present invention.
Fig. 2 is urgent back fire explosion preventing switch and oxy-acetylene mixed airway position view.
Fig. 3 is the internal structure schematic diagram of urgent back fire explosion preventing switch.
In figure: 1. hyperbaric oxygen tracheae; 2. acetylene gas pipe; 3. oxy-acetylene mixed airway; 4. urgent back fire explosion preventing switch; 4-1. switch cylinder; 4-2. ball valve; 4-3. arcuation railing; 4-4. guide groove; The upper tooth post of 4-5.; 4-6. lower tooth post; 4-7. guiding rib; 4-8. spring.
Detailed description of the invention
As shown in Figure 1, the urgent backfire explosion-proof device of injector cutting torch provided by the invention, comprise hyperbaric oxygen tracheae 1, acetylene gas pipe 2 and oxy-acetylene mixed airway 3, its innovation is, as shown in Figure 2, described oxy-acetylene mixed airway 3 is provided with urgent back fire explosion preventing switch 4, preferably, urgent back fire explosion preventing switch 4 is arranged on the centre position of oxy-acetylene mixed airway 3, and this position is convenient to can facilitate the rear operating personnel of tempering generation close urgent back fire explosion preventing switch rapidly.As shown in Figure 3, described urgent back fire explosion preventing switch 4 comprises switch cylinder 4-1 and ball valve 4-2, described switch cylinder 4-1 inwall is provided with arcuation railing 4-3 and guide groove 4-4, upper tooth post 4-5 and lower tooth post 4-6 is positioned at described switch cylinder 4-1, guiding rib 4-7 is provided with after the engaging tooth of described upper tooth post 4-5 and described lower tooth post 4-6, described guiding rib 4-7 is positioned at described guide groove 4-4, the field of conjugate action of described upper tooth post 4-5 and described lower tooth post 4-6 is symmetrical inclined-plane, described lower tooth post 4-6 end is connected with described ball valve 4-2 by spring 4-8, described ball valve 4-2 is positioned at the porch of described acetylene gas pipe 2, just to the entrance of described acetylene gas pipe 2.
Operation principle of the present invention is: ball valve 4-2 often opens, and during cutting, urgent back fire explosion preventing switch 4 does not affect the outflow of acetylene gas in acetylene gas pipe 2, and combustion mixture normally flows to cutting torch along mixed pipe line, carries out cutting operation.After tempering occurs, operating personnel can take advantage of a situation and press tooth post 4-5, ball valve 4-2 are pushed backward to the entrance of acetylene gas pipe 2.So just enclose acetylene gas pipe 2, prevent burning gases to continue suck-back backward.Burning gases just extinguish at once; Again can press tooth post 4-5 after cutting torch cools, gas circuit continues unimpeded, can proceed cutting operation.
Wherein the on-off principle process of urgent back fire explosion preventing switch 4 is: the field of conjugate action of upper tooth post 4-5 and lower tooth post 4-6 is symmetrical inclined-plane, engagement is not exclusively engagement, a part of having only had tooth tip portion to be engaged, and two teeth guiding rib 7 below of occlusion is all positioned at the same guide groove 4-4 of switch cylinder 4-1, press tooth post 4-5, , lower tooth post 4-6 is after under the promotion of upper tooth post 4-5, its guiding rib 7 skids off gathering sill 4-4, due to the effect of spring 4-8, the tooth of lower tooth post 4-6 can slide along the inclined-plane of the tooth of the upper tooth post be meshed, like this under the effect on inclined-plane, lower tooth post 4-6 can turn over an angle, slide on the alternatively distributed arcuation railing 4-3 in switch cylinder 4-1, now ball valve 4-2 moves towards acetylene gas pipe 2 entrance under the effect of lower tooth post 4-6, finally realize ball valve 4-2 closing acetylene gas pipe 2.Click tooth post 4-5 again, due to the effect of spring 4-8 restoring force, the tooth of lower tooth post 4-6 can slide along the cambered surface of arcuation railing 4-3, like this under the effect of arcuation railing 4-3, lower tooth post 4-6 can turn over an angle, and make the guiding rib 7 on lower tooth post 4-6 slide in alternatively distributed guide groove 4-4, ball valve 4-2 resets, open the entrance of acetylene gas pipe 2, normal cutting operation can be continued.
Claims (4)
1. the urgent backfire explosion-proof device of injector cutting torch, comprises hyperbaric oxygen tracheae (1), acetylene gas pipe (2) and oxy-acetylene mixed airway (3), it is characterized in that, described oxy-acetylene mixed airway (3) is provided with urgent back fire explosion preventing switch (4).
2. the urgent backfire explosion-proof device of a kind of injector cutting torch according to claim 1, is characterized in that, described urgent back fire explosion preventing switch (4) is positioned at the centre position of described oxy-acetylene mixed airway (3).
3. the urgent backfire explosion-proof device of a kind of injector cutting torch according to claim 1 and 2, it is characterized in that, described urgent back fire explosion preventing switch (4) comprises switch cylinder (4-1) and ball valve (4-2), described switch cylinder (4-1) inwall is provided with arcuation railing (4-3) and guide groove (4-4), upper tooth post (4-5) and lower tooth post (4-6) are positioned at described switch cylinder (4-1), guiding rib (4-7) is provided with after the engaging tooth of described upper tooth post (4-5) and described lower tooth post (4-6), described guiding rib (4-7) is positioned at described guide groove (4-4), the field of conjugate action of described upper tooth post (4-5) and described lower tooth post (4-6) is symmetrical inclined-plane, described lower tooth post (4-6) end is connected with described ball valve (4-2) by spring (4-8), described ball valve (4-2) is positioned at the porch of described acetylene gas pipe (2).
4. the urgent backfire explosion-proof device of a kind of injector cutting torch according to claim 3, is characterized in that, described ball valve (4-2) is just to the entrance of described acetylene gas pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881317.0U CN205137461U (en) | 2015-11-09 | 2015-11-09 | Penetrate and inhale formula cutting torch and promptly draw a temper explosion -proof equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520881317.0U CN205137461U (en) | 2015-11-09 | 2015-11-09 | Penetrate and inhale formula cutting torch and promptly draw a temper explosion -proof equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205137461U true CN205137461U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520881317.0U Expired - Fee Related CN205137461U (en) | 2015-11-09 | 2015-11-09 | Penetrate and inhale formula cutting torch and promptly draw a temper explosion -proof equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205137461U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765108A (en) * | 2016-12-01 | 2017-05-31 | 中国人民解放军镇江船艇学院 | Cutting torch backfire control device |
-
2015
- 2015-11-09 CN CN201520881317.0U patent/CN205137461U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106765108A (en) * | 2016-12-01 | 2017-05-31 | 中国人民解放军镇江船艇学院 | Cutting torch backfire control device |
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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: 20160406 Termination date: 20161109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |