CN2398047Y - Jet-absorption-type gasoline cutting torch - Google Patents
Jet-absorption-type gasoline cutting torch Download PDFInfo
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- CN2398047Y CN2398047Y CN 99257014 CN99257014U CN2398047Y CN 2398047 Y CN2398047 Y CN 2398047Y CN 99257014 CN99257014 CN 99257014 CN 99257014 U CN99257014 U CN 99257014U CN 2398047 Y CN2398047 Y CN 2398047Y
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- cutting
- cutting torch
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- gasoline
- overcoat
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Abstract
The utility model relates to a jet-absorption type gasoline cutting torch, which overcomes the disadvantage that the existing jet-absorption type gasoline cutting torch can not change cutting directions and angles at will. The utility model comprises a cutting nozzle joint 1, a cutting nozzle and a cutting nozzle nut 5, wherein, the cutting nozzle comprises a cutting nozzle body 2, an inner nozzle 3 and an outer sleeve 4. A jet-absorption pipe 9, a nozzle 10, a gasoline nozzle 11 and a gasoline passage 13. are arranged on the cutting nozzle joint 1, and an outlet of the nozzle 10 is aligned to an inlet of the jet-absorption pipe 9. A vacuum chamber 12 is arranged between the front part of the nozzle 10 and the cutting nozzle joint 1, and one end of the gasoline passage 13 is communicated with the vacuum chamber 12. The other end of the gasoline passage is communicated with an outlet of the gasoline nozzle 11. The utility model causes preheating oxygen and gasoline to be mixed evenly, and the cutting directions and the angles can be changed.
Description
The utility model relates to the manual injector cutting torch of a kind of injector cutting torch that metal is cut, particularly oxygen-gasoline preheat flame.
The jet absorption type gasoline cutting torch is to utilize the suction effect of penetrating of nozzle and injecting tube to make gasoline atomizing, and makes the gasoline and the oxygen mix of atomizing, produces preheat flame.Existing manual jet absorption type gasoline cutting torch is mainly according to the JB/T6970-93 standard manufacture, and the manual injector cutting torch of oxygen-acetylene preheat flame of stipulating in its overwhelming majority structure and this standard is identical.The suction part of penetrating of these manual jet absorption type gasoline cutting torch is located on the mid-section body, and the gasoline of atomizing will could arrive cutting head joint through one section long mixing tube.Because the temperature of this mixing tube is generally lower than the temperature of cutting head joint, in the course of conveying in mixing tube, the gasoline of part atomizing condenses, and produces the Oil-gas Separation phenomenon.After the gasoline of atomizing entered cutting torch, the gasoline of some atomizing condensed again in cutting torch, made the aggravation of Oil-gas Separation phenomenon, and gasoline and oxygen mix are inhomogeneous.For above-mentioned reasons, existing manual jet absorption type gasoline cutting torch generally can only be done perpendicular cuts, can not arbitrarily change direction and angle, if change direction and angle, phenomenon off and on will appear in flame, can't cut.
The purpose of this utility model is to provide a kind of and can alleviate the jet absorption type gasoline cutting torch that atomization gas condenses, improves the uniformity coefficient of gasoline and oxygen mix.
The purpose of this utility model is achieved in that the jet absorption type gasoline cutting torch, comprises cutting head joint 1, cutting torch and cutting torch nut 5, and cutting torch comprises cutting torch main body 2, interior mouth 3 and overcoat 4; Cutting head joint 1 has hyperbaric oxygen passage 6 and fogging oil passage 7; Its special character is to have injecting tube 9, nozzle 10, oil nozzle 11 and oil duct 13 on the cutting head joint 1; The import of injecting tube 9 is aimed in the outlet of nozzle 10, and the outlet of injecting tube 9 is communicated with fogging oil passage 7; Have vacuum chamber 12 between the front portion of nozzle 10 and the cutting head joint 1, an end of oil duct 13 is communicated with vacuum chamber 12, and the other end is communicated with the outlet of oil nozzle 11.
The side of cutting head joint 1 is used for being connected with an end of high-pressure oxygen tube, preheat oxygen pipe and gasoline pipe, and the other end of high-pressure oxygen tube, preheat oxygen pipe and gasoline pipe is connected with mid-section body.The lower end of cutting head joint 1 is used for being connected with cutting torch main body 2, and cutting torch main body 2 is enclosed within the cutting head joint 1, and the gap between them is a mixing chamber 22.Cutting torch main body 2 works the effect of connection between cutting head joint 1 and interior mouth 3 and overcoat 4, be used for entering the hyperbaric oxygen in the cutting head joint 1 and being assigned to respectively in interior mouth 3 and the vaporizer by the mixture that preheat oxygen and atomization gas are formed.Overcoat 4 is enclosed within interior mouth 3 outsides, and the gap between them forms vaporizer.The upper end of interior mouth 3 is installed on the cutting torch main body 2, and the upper end of overcoat 4 contacts with cutting torch main body 2.Cutting torch nut 5 links together overcoat 4 and cutting torch main body 2 with cutting head joint 1.Hyperbaric oxygen passage 6 is communicated with high-pressure oxygen tube by its import 8.Nozzle 10 is installed on the cutting head joint 1, and injecting tube 9 is aimed in its inner, and its outer end is connected with the preheat oxygen pipe.Oil nozzle 11 is installed on the cutting head joint 1, and its inner is communicated with an end of oil duct 13, and its outer end is connected with gasoline pipe.
The middle part of the outer surface 20 of mouth 3 is equipped with refinement device 17 in of the present utility model, has densely covered filtering holes on the refinement device 17; The inner surface 18 of refinement device 17 contacts with the outer surface 20 of interior mouth 3, and the outer surface 19 of refinement device 17 contacts with the inner surface 16 of overcoat 4.
Refinement device 17 can also can be made with powder is metallurgical with resistant to elevated temperatures wire manufacturing.Filtering holes on the refinement device 17 can make gasoline pass through, and makes gasoline be entered the bottom of vaporizer 29 through the filtering holes on the refinement device 17 by the top of vaporizer 29.Because refinement device 17 contact overcoats 4 are heated by overcoat 4, when the filtering holes on the gasoline process refinement device 17 that the atomization gas and the part on vaporizer 29 tops have been vaporized,, become more tiny gasoline particle by fully heating vaporization.
The middle part of the outer surface 20 of mouth 3 has step in of the present utility model, and refinement device 17 is sleeved on this step place.
Step is used for determining that refinement device 17 is in the position in the cutting torch.
The porosity of refinement device 17 of the present utility model is 20～40%.
20～40% porosity both can make gasoline pass through smoothly, can make gasoline fully be heated vaporization again by refinement device 17 time.
The lower end of the inner surface 16 of overcoat 4 of the present utility model has trapped fuel groove 21.
Trapped fuel groove 21 is used to store the gasoline that is not vaporized that flows down along the inner surface 16 of overcoat 4, makes these gasoline by overcoat 4 heating vaporizations.
The top of the outer surface 20 of mouth 3 is equipped with the food tray 14 that looses in of the present utility model, and the outer surface 15 of the food tray 14 that looses is a taper seat, and its small end has the crack of asking towards cutting torch main body 2 between the inner surface 16 of its big end and overcoat 4.
The gasoline of atomizing evenly is sprayed onto on the outer surface 15 of the food tray 14 that looses on cutting torch main body 2, and the food tray 14 that looses utilizes the taper seat of its outer surface 15, and the gasoline that atomizes is directed on the inner surface 16 of overcoat 4, makes gasoline by overcoat 4 heating vaporizations.
The utility model is compared with existing jet absorption type gasoline cutting torch, remove being used between mid-section body and the cutting head joint and carried the mixing tube of atomization gas, with gasoline and preheat oxygen be divided into two carrier pipes from the middle part body delivery to cutting head joint, to penetrate the suction part and be located on the cutting head joint 1, and make the atomization gas of penetrating the generation of suction part directly enter cutting torch through cutting head joint 1.So just shortened the transmission range of atomization gas, and cutting head joint 1 and cutting torch main body 2 be subjected to overcoat 4 heating, its temperature is higher, has reduced the chance that atomization gas condenses greatly, and gasoline and preheat oxygen mix.In addition, owing to have refinement device 17, trapped fuel groove 21 and diffusing food tray 14 in the cutting torch of the present utility model, the atomization gas major part that enters in the cutting torch is heated vaporization, has improved the uniformity coefficient that gasoline mixes with preheat oxygen more.The utility model can change the direction and the angle of cutting arbitrarily than the flame stabilization of existing jet absorption type gasoline cutting torch.
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A-A view among Fig. 1.
Fig. 3 is the structural representation of refinement device 17 among Fig. 1.
Fig. 4 is the structural representation of diffusing food tray 14 among Fig. 1.
Present embodiment is a kind of manual jet absorption type gasoline cutting torch that adopts gasoline as fuel, and it mainly comprises mid-section body, rear portion junctor, cutting head joint 1, cutting torch nut 5 and cutting torch.As shown in Figure 1, cutting head joint 1 has hyperbaric oxygen passage 6 and fogging oil passage 7.Hyperbaric oxygen passage 6 is connected with an end of high-pressure oxygen tube 24 by its import 8, and the other end of high-pressure oxygen tube 24 is connected with mid-section body.Cutting head joint 1 has injecting tube 9, nozzle 10, oil nozzle 11 and oil duct 13.Nozzle 10 is installed on the cutting head joint 1, and its outer end is connected with an end of preheat oxygen pipe 25, and an end of injecting tube 9 is aimed in its inner.The other end of injecting tube 9 is communicated with fogging oil passage 7, and the other end of preheat oxygen pipe 25 is connected with mid-section body.The front portion of nozzle 10 is conical, it with cutting head joint 1 on taper seat between formation vacuum chamber 12.Oil nozzle 11 is installed on the cutting head joint 1, and its outer end is connected with an end of oil pipe 26, and its inner is communicated with an end of oil duct 13.The other end of oil duct 13 is communicated with vacuum chamber 12, and the other end of oil pipe 26 is connected with mid-section body.Cutting torch comprises cutting torch main body 2, interior mouth 3 and overcoat 4.The upper end of interior mouth 3 is installed in the lower end of cutting torch main body 2 by screw thread, the outside of mouth 3 in overcoat 4 is enclosed within, the following end in contact of the upper end of overcoat 4 and cutting torch main body 2, the vaporizer 29 of formation gasoline between the outer surface 20 of interior mouth 3 and the inner surface 16 of overcoat 4.Cutting torch main body 2 is sleeved in the cutting head joint 1, forms mixing chamber 22 between cutting torch main body 2 and the cutting head joint 1.Seal by taper seat respectively between the two ends up and down of cutting torch main body 2 and the cutting head joint 1, cutting torch nut 5 spiral shells are on cutting head joint 1, cutting torch nut 5 is pressed against cutting torch main body 2 on the cutting head joint 1 by overcoat 4, makes the taper seat between cutting torch main body 2 and the cutting head joint 1 compress sealing.The upper end of the hyperbaric oxygen passage 27 of cutting torch main body 2 is communicated with the lower end of the hyperbaric oxygen passage 6 of cutting head joint 1, and the lower end of hyperbaric oxygen passage 27 is communicated with the upper end of the hyperbaric oxygen passage 28 of interior mouth 3.As shown in Figure 2, be uniform-distribution with 6 hybrid channels 23 on the cutting torch main body 2, their upper end is communicated with mixing chamber 22, and their lower end is communicated with the vaporizer 29 of cutting torch.The top of interior mouth 3 is equipped with the food tray 14 that looses by screw thread, the lower end of food tray near hybrid channel 23 of loosing.As shown in Figure 4, the outer surface 15 of diffusing food tray 14 is a taper seat.The small end of diffusing food tray 14 is (promptly towards cutting torch main body 2) up, has certain clearance between the inner surface 16 of its big end and overcoat 4, the outer surface 15 of the diffusing food tray 14 of the lower end aligned of hybrid channel 23.The middle part of the outer surface 20 of interior mouth 3 has a step, and the step place is set with refinement device 17.As shown in Figure 3, refinement device 17 is cylindrical, and its inner surface 18 contacts with the outer surface 20 of interior mouth 3, and its outer surface 19 contacts with the inner surface 16 of overcoat 4.The refinement device adopts the metallurgical manufacturing of powder, and its porosity is 30%.The lower end of the inner surface 16 of overcoat 4 has trapped fuel groove 21.Regulate the closing valve that has on mid-section body and the rear portion junctor, the hyperbaric oxygen of different pressures, preheat oxygen and gasoline just can be transported in the cutting head joint 1 by high-pressure oxygen tube 24, preheat oxygen pipe 25 and oil pipe 26 respectively.
During use, owing to penetrate the suction effect, gasoline enters in the injecting tube 9 through oil nozzle 11, oil duct 13, vacuum chamber 12, and the preheat oxygen that is sprayed by nozzle 10 atomizes.The mixture of preheat oxygen and atomization gas enters in the mixing chamber 22 through fogging oil passage 7, evenly is sprayed onto on the outer surface 15 of the food tray 14 that looses through 6 mixing tubes 23 again.Outer surface 15 is directed to the gasoline of atomizing on the inner surface 16 of overcoat 4, because after the igniting, overcoat 4 is heated intensification, the gasoline of partly atomized is heated vaporization on inner surface 16.Atomization gas and part on vaporizer 29 tops enters vaporizer 29 through refinement device 17 through the gasoline of overflash bottom.Because the outer surface 19 of refinement device 17 contacts with the inner surface 16 of overcoat 4, refinement device 17 is also heated by overcoat 4.The gasoline of atomizing and the gasoline that has been vaporized are during by refinement device 17, and the overwhelming majority is heated by refinement device 17 vaporizes, and becomes more tiny gasoline particle.A small amount of gasoline that is not vaporized enters in the trapped fuel groove 21 along the inner surface 16 of overcoat 4, is heated vaporization at last in trapped fuel groove 21.Be vaporized in the gasoline overwhelming majority that is used for preheating through the cutting torch ejection like this, gasoline and preheat oxygen mix.
Claims (6)
1, jet absorption type gasoline cutting torch comprises cutting head joint (1), cutting torch and cutting torch nut (5), and cutting torch comprises cutting torch main body (2), interior mouth (3) and overcoat (4); Cutting head joint (1) has hyperbaric oxygen passage (6) and fogging oil passage (7); It is characterized in that having injecting tube (9), nozzle (10), oil nozzle (11) and oil duct (13) on the cutting head joint (1); The import of injecting tube (9) is aimed in the outlet of nozzle (10), and the outlet of injecting tube (9) is communicated with fogging oil passage (7); Have vacuum chamber (12) between the front portion of nozzle (10) and the cutting head joint (1), an end of oil duct (13) is communicated with vacuum chamber (12), and the other end is communicated with the outlet of oil nozzle (11).
2, cutting torch according to claim 1 is characterized in that, the middle part of the outer surface (20) of interior mouth (3) is equipped with refinement device (17), and the refinement device has densely covered filtering holes on (17); The inner surface (18) of refinement device (17) contacts with the outer surface (20) of interior mouth (3), and the outer surface (19) of refinement device (17) contacts with the inner surface (16) of overcoat (4).
3, cutting torch according to claim 2 is characterized in that, the middle part of the outer surface (20) of interior mouth (3) has step, and refinement device (17) is sleeved on this step place.
4, cutting torch according to claim 3 is characterized in that, the porosity of refinement device (17) is 20～40%.
According to claim 1,2,3 or 4 described cutting torches, it is characterized in that 5, the lower end of the inner surface (16) of overcoat (4) has trapped fuel groove (21).
6, cutting torch according to claim 5, it is characterized in that, the top of the outer surface (20) of interior mouth (3) is equipped with diffusing food tray (14), the outer surface (15) of diffusing food tray (14) is a taper seat, its small end has the gap towards cutting torch main body (2) between the inner surface (16) of its big end and overcoat (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99257014 CN2398047Y (en) | 1999-12-06 | 1999-12-06 | Jet-absorption-type gasoline cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99257014 CN2398047Y (en) | 1999-12-06 | 1999-12-06 | Jet-absorption-type gasoline cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2398047Y true CN2398047Y (en) | 2000-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99257014 Expired - Fee Related CN2398047Y (en) | 1999-12-06 | 1999-12-06 | Jet-absorption-type gasoline cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2398047Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003010467A1 (en) * | 2001-07-26 | 2003-02-06 | Shile Gao | The gasoline and oxygen auto-igniting method of a hand-held cutting and welding gasoline torch, and its cutting and welding torch |
-
1999
- 1999-12-06 CN CN 99257014 patent/CN2398047Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003010467A1 (en) * | 2001-07-26 | 2003-02-06 | Shile Gao | The gasoline and oxygen auto-igniting method of a hand-held cutting and welding gasoline torch, and its cutting and welding torch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |