CN219976425U - Jet-suction internal mixing type tempering-preventing cutting torch - Google Patents
Jet-suction internal mixing type tempering-preventing cutting torch Download PDFInfo
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- CN219976425U CN219976425U CN202321059502.2U CN202321059502U CN219976425U CN 219976425 U CN219976425 U CN 219976425U CN 202321059502 U CN202321059502 U CN 202321059502U CN 219976425 U CN219976425 U CN 219976425U
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- cutting torch
- fixedly connected
- joint sealing
- heat dissipation
- head
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- 238000002156 mixing Methods 0.000 title claims abstract description 22
- 230000017525 heat dissipation Effects 0.000 claims abstract description 47
- 239000000446 fuel Substances 0.000 claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 41
- 210000001503 joint Anatomy 0.000 claims abstract description 29
- 238000005496 tempering Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 4
- 238000005507 spraying Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Gas Burners (AREA)
Abstract
The utility model discloses a jet-suction internal mixing type tempering-preventing cutting torch, which relates to the technical field of tempering-preventing cutting torches and comprises a tempering-preventing cutting torch device body, wherein the tempering-preventing cutting torch device body comprises a fire cutting torch, the output end of the fire cutting torch is in threaded sleeve joint with the tempering-preventing device body, the tempering-preventing device body comprises a heat dissipation fire head, a limiting rebound unit is fixedly connected to the inner side surface of the heat dissipation fire head, and one end of the limiting rebound unit is fixedly connected with a butt joint sealing unit. The utility model pushes the butt-joint sealing inclined plate by matching with the supporting wire, and makes the butt-joint sealing inclined plate slide onto the surface of the fuel guide cone head by utilizing the inclination angle on the surface of the fuel guide cone head to seal the fuel guide cone head, and simultaneously makes the butt-joint sealing inclined plate elastically pushed by the inclination anti-inclination elastic wire in the direction no matter where the butt-joint sealing inclined plate inclines by matching with the inclination supporting angle of the inclination anti-inclination elastic wire, so that the smooth line of the butt-joint sealing inclined plate is maintained, and the inclination angle of the butt-joint sealing inclined plate is reduced.
Description
Technical Field
The utility model relates to the technical field of tempering-preventing cutting torches, in particular to an injection and suction internal mixing tempering-preventing cutting torch.
Background
The jet-suction type anti-backfire cutting torch is one of the welding and cutting devices commonly used at present, has a certain backfire preventing function, but has the defect of uneven mixing of preheated oxygen and fuel gas in the jet-suction process, so that flame combustion is unstable, and a jet-suction device is positioned at the middle rear part of the whole cutting torch in general, and the mixed gas can reach the cutting torch through a section of pipeline.
Such as Chinese patent publication No.: CN103591582a is a jet-suction internal mixing type tempering-preventing cutting torch, which belongs to the field of welding and cutting equipment. The existing cutting torch can generate tempering phenomenon, and potential safety hazards exist. The utility model mainly provides a round hole on the cutting nozzle joint, and the second air chamber is communicated with the flame isolation chamber through the air hole. By adopting the structure, the utility model ensures that the flame burns more stably and eliminates the possibility of backfire of the flame to the mixing area, thereby improving the use safety and prolonging the service life
After the existing jet-suction mixed tempering-preventing cutting torch is used, when fuel is sucked back, outside air can flow back into the inside of the fire cutting torch and is mixed with the fuel in the inside, so that the problem of explosion of the fire cutting torch is caused.
Disclosure of Invention
The utility model aims to provide an injection and suction internal mixing type tempering-preventing cutting torch so as to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a penetrate and inhale interior mixed formula anti-backfire cutting torch, includes anti-backfire cutting torch device body, anti-backfire cutting torch device body includes the fire cutting torch, the last screw thread of output of fire cutting torch has cup jointed anti-backfire device body, anti-backfire device body includes the heat dissipation fire head, the spacing resilience unit of fixedly connected with on the inboard surface of heat dissipation fire head, fixedly connected with butt joint sealing unit on the one end of spacing resilience unit, fixedly clamped joint has the multi-angle extrusion to prevent askew unit on the inboard surface of butt joint sealing unit.
The technical scheme of the utility model is further improved as follows: the heat dissipation fire head is characterized in that a thread groove is formed in the outer side surface of one end of the heat dissipation fire head, an inward-sinking groove is formed in the inner surfaces of the upper side and the lower side of the heat dissipation fire head, the thread groove on the outer side surface of the heat dissipation fire head is sleeved on the output end of a fire cutting torch, fuel is infused into the heat dissipation fire head in cooperation with the fire cutting torch, flame is sprayed outwards, and therefore the material is high Wen Geju on the surface.
The technical scheme of the utility model is further improved as follows: the limiting rebound unit comprises an inclined elastic wire fixedly connected to the inner side surface of the heat dissipation fire head, and a limiting rod is movably sleeved on the inner side surface of the inward-sinking groove.
The technical scheme of the utility model is further improved as follows: the butt joint sealing unit comprises a butt joint sealing block fixedly connected to one end of the inclined elastic wire and the limiting rod, and the inclined anti-inclined elastic wire is fixedly connected to the inner side surface of the butt joint sealing block, so that the inclined elastic wire is extruded to deform, the pulling rope is loosened, and the butt joint sealing block is pushed by the inclined elastic wire with an inclined angle.
The technical scheme of the utility model is further improved as follows: the inner side surface of the butt joint sealing block is fixedly connected with a supporting wire at the edge of one side of the inclined anti-inclined elastic wire, one ends of the inclined anti-inclined elastic wire and the supporting wire are fixedly connected with a butt joint sealing sloping plate, the butt joint sealing sloping plate is pushed by the cooperation of the supporting wire, and the inclined angle on the surface of the fuel diversion cone head is utilized to enable the fuel diversion cone head to slide onto the surface of the fuel diversion cone head to seal the fuel diversion cone head.
The technical scheme of the utility model is further improved as follows: the heat dissipation fire head is characterized in that an overhanging casing is fixedly connected to the outer side surface of the heat dissipation fire head, a deformed soft casing is fixedly connected to the inner side surface of the overhanging casing, a pulling rope is fixedly connected to the outer side surface of the butt joint sealing block, one end of the pulling rope is fixedly connected to the outer side surface of the fire cutting torch, meanwhile, the deformed soft casing on the inner side surface of the overhanging casing is matched to seal the inlet of the heat dissipation fire head, fuel leakage in the heat dissipation fire head is reduced, the pulling rope is pulled to enable the limiting rod to slide on the inner side surface of the invagination groove, and after the butt joint sealing block is separated from one end of the fuel diversion cone head, fuel is infused.
The technical scheme of the utility model is further improved as follows: the inner side surface of the heat dissipation fire head is fixedly connected with a fuel guide cone head at the right side edge position, the inner side surface of the heat dissipation fire head is fixedly connected with a high-temperature resistant flame spraying head at the left side edge position, the heat dissipation fire head is attached to the surface of the fuel guide cone head, the heat dissipation fire head is sealed, and the outside air is reduced to flow back along the fuel.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a jet-suction internal mixing type backfire-proof cutting torch, which is characterized in that a thread groove on the outer side surface of a heat dissipation fire head is sleeved on the output end of the fire cutting torch, fuel is infused into the heat dissipation fire head in cooperation with the fire cutting torch, flame is externally sprayed, the surface of a material is high Wen Geju, a pull rope is drawn to enable a limiting rod to slide on the inner side surface of an invagination groove, so that an inclined elastic wire is extruded to deform the inclined elastic wire, and after a butt joint sealing block is separated from one end of a fuel guide cone, the fuel is infused out, and meanwhile, an inlet of the heat dissipation fire head is sealed in cooperation with a deformed soft sleeve shell on the inner side surface of an overhanging sleeve shell, so that the leakage of the fuel inside is reduced.
2. The utility model provides a jet-suction internal mixing type tempering-preventing cutting torch, which is characterized in that a pulling rope is loosened, a butt joint sealing block is pushed by utilizing an inclined elastic wire with an inclined angle, the position of a limiting rod is limited by matching with an inward-sinking groove, the limiting rod is attached to the surface of a fuel flow guiding cone head, the fuel flow guiding cone head is sealed, and the backflow of outside air along fuel is reduced.
3. The utility model provides a jet-suction internal mixing type tempering-preventing cutting torch, which is matched with a supporting wire to push a butt-joint sealing inclined plate, and utilizes the inclination angle on the surface of a fuel flow guiding cone head to enable the butt-joint sealing inclined plate to slide onto the surface of the fuel flow guiding cone head so as to seal the fuel flow guiding cone head, and simultaneously is matched with the inclination supporting angle of an inclination-preventing elastic wire to enable the butt-joint sealing inclined plate to be elastically pushed by the inclination-preventing elastic wire in the direction no matter where the butt-joint sealing inclined plate inclines, so that the smooth line of the butt-joint sealing inclined plate is kept, and the inclination angle of the butt-joint sealing inclined plate is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic perspective view of the tempering preventing device according to the present utility model;
FIG. 3 is a schematic view of a partially cut-away perspective structure of a backfire preventing device body according to the present utility model;
FIG. 4 is a schematic view of a partially enlarged perspective structure of a backfire preventing device according to the present utility model;
fig. 5 is a schematic view of a partially cut-away perspective structure of a butt seal block of the present utility model.
In the figure: 1. a backfire-proof cutting torch device body; 11. a fire cutting torch;
2. an anti-backfire device body; 21. a heat dissipation fire head; 22. a thread groove; 23. a fuel flow guide cone; 24. an invagination groove; 25. a limit rod; 26. tilting the stretch yarn; 27. butting sealing blocks; a1, an oblique anti-oblique stretch yarn; a2, supporting wires; a3, butting a sealing sloping plate; 28. extending the casing; 29. deforming the soft sleeve; 210. pulling the rope; 211. and is resistant to Gao Wenpen fire.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1 to 5, the present utility model provides a jet-suction internal mixing type tempering-resistant cutting torch, wherein a thread groove 22 is formed on the outer side surface of one end of a heat dissipation fire head 21, the thread groove 22 on the outer side surface of the heat dissipation fire head 21 is sleeved on the output end of the cutting torch 11, the inner surfaces of the upper side and the lower side of the heat dissipation fire head 21 are provided with an inward recess 24, the position of a limit rod 25 is limited by matching with the inward recess 24, a limit rebound unit comprises an inclined elastic wire 26 fixedly connected on the inner side surface of the heat dissipation fire head 21, so as to squeeze the inclined elastic wire 26 to deform the inclined elastic wire, a pull rope 210 is loosened, a butt joint sealing block 27 is pushed by the inclined elastic wire 26 at an inclined angle, the inner side surface of the inward recess 24 is movably sleeved with the limit rod 25, the outer side surface of the heat dissipation fire head 21 is fixedly connected with an outward extension 28, the inner side surface of the overhanging casing 28 is fixedly connected with a deformed soft casing 29, the deformed soft casing 29 on the inner side surface of the overhanging casing 28 is matched to seal the inlet of the heat dissipation fire head 21, the fuel leakage in the heat dissipation fire head 21 is reduced, the outer side surface of the abutting sealing block 27 is fixedly connected with a pulling rope 210, the pulling rope 210 is drawn to enable the limiting rod 25 to slide on the inner side surface of the inner sink groove 24, after the abutting sealing block 27 is separated from one end of the fuel guiding cone head 23, the fuel is infused, one end of the pulling rope 210 is fixedly connected on the outer side surface of the fire cutting torch 11, the fuel is infused into the heat dissipation fire head 21 in a matched mode, flame is sprayed outwards, the material is subjected to high Wen Geju on the surface of the heat dissipation fire head 21, the fuel guiding cone head 23 is fixedly connected on the right side edge position of the inner side surface of the heat dissipation fire head 21, the heat dissipation fire head 21 is attached to the surface of the fuel guide cone head 23, seals the fuel guide cone head, reduces the backflow of outside air along the fuel, and is fixedly connected with a high-temperature resistant fire head 211 at the left side edge position on the inner side surface of the heat dissipation fire head 21.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, including anti-backfire cutting torch device body 1, anti-backfire cutting torch device body 1 includes fire cutting torch 11, anti-backfire device body 2 has been cup jointed to the screw thread on the output of fire cutting torch 11, anti-backfire device body 2 includes heat dissipation fire head 21, fixedly connected with spacing resilience unit on the medial surface of heat dissipation fire head 21, fixedly connected with butt joint seal unit on the one end of spacing resilience unit, the fixed joint has the multi-angle extrusion to prevent askew unit on the medial surface of butt joint seal unit, butt joint seal unit includes butt joint seal piece 27 of fixed connection on inclined stretch yarn 26 and gag lever post 25 one end, fixedly connected with inclined stretch yarn a1 on the medial surface of butt joint seal piece 27, fixedly connected with support yarn a2 on the lateral edge position of inclined stretch yarn a1 is just located to the inclined stretch yarn a, fixedly connected with butt joint seal sloping plate a3 on the one end of inclined stretch yarn a1 and support yarn a2, cooperation support yarn a2 promotes butt joint seal sloping angle on the surface of fuel flow cone head 23, make its landing to the surface of fuel flow cone 23, make its inclined stretch yarn guide, make inclined stretch yarn 1 and inclined stretch yarn guide the inclined stretch yarn all keep the inclined stretch yarn, and even the inclined stretch yarn 1 can be inclined stretch yarn guide, and inclined stretch yarn 1 can be inclined stretch yarn guide, inclined stretch yarn 1 is inclined stretch yarn is made.
The working principle of the jet-suction internal mixing type tempering-preventing cutting torch is specifically described below.
As shown in fig. 1 to 5, the thread groove 22 on the outer side surface of the heat dissipation fire head 21 is sleeved on the output end of the fire cutting torch 11, fuel is injected into the heat dissipation fire head 21 by matching the fire cutting torch 11, flame is injected to the outside, the surface of the material is high Wen Geju, the limiting rod 25 slides on the inner side surface of the inner concave groove 24 by drawing the pulling rope 210, the inclined elastic wire 26 is extruded to deform, the abutting sealing block 27 is separated from one end of the fuel guiding cone head 23, the fuel is injected, meanwhile, the inlet of the heat dissipation fire head 21 is sealed by matching the deformed soft sleeve 29 on the inner side surface of the overhanging sleeve 28, the fuel leakage in the interior is reduced, the pulling rope 210 is loosened, the abutting sealing block 27 is pushed by using the inclined elastic wire 26 with the inclined angle, the position of the limiting rod 25 is limited by matching the inner concave groove 24, the limiting rod 25 is attached to the surface of the fuel guiding cone head 23, the outside air is sealed, and the outside air is reduced to flow back along the fuel.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (10)
1. The utility model provides a penetrate and inhale interior mixed formula anti-backfire cutting torch, includes anti-backfire cutting torch device body (1), anti-backfire cutting torch device body (1) include fire cutting torch (11), its characterized in that: the anti-backfire device comprises a fire cutting torch (11), wherein an anti-backfire device body (2) is sleeved on the output end of the fire cutting torch, the anti-backfire device body (2) comprises a heat dissipation fire head (21), a limiting rebound unit is fixedly connected to the inner side surface of the heat dissipation fire head (21), a butt joint sealing unit is fixedly connected to one end of the limiting rebound unit, and a multi-angle extrusion anti-skew unit is fixedly clamped on the inner side surface of the butt joint sealing unit.
2. The jet-suction internal mixing type tempering-resistant cutting torch according to claim 1, wherein: a thread groove (22) is formed in the outer side surface of one end of the heat dissipation fire head (21), and inward-sinking grooves (24) are formed in the inner surfaces of the upper side and the lower side of the heat dissipation fire head (21).
3. The jet-suction internal mixing type tempering-preventing cutting torch according to claim 2, wherein: the limiting rebound unit comprises an inclined elastic wire (26) fixedly connected to the inner side surface of the heat dissipation fire head (21), and a limiting rod (25) is movably sleeved on the inner side surface of the inward-sinking groove (24).
4. The jet-suction internal mixing type tempering-resistant cutting torch according to claim 1, wherein: the butt joint sealing unit comprises a butt joint sealing block (27) fixedly connected to one end of the inclined elastic wire (26) and one end of the limiting rod (25), and the inclined elastic wire (a 1) is fixedly connected to the inner side surface of the butt joint sealing block (27).
5. The injection and absorption internal mixing type tempering-resistant cutting torch according to claim 4, wherein: and a supporting wire (a 2) is fixedly connected to the inner side surface of the butt joint sealing block (27) and positioned at the edge of one side of the inclined anti-inclined elastic wire (a 1).
6. The jet-suction internal mixing type tempering-resistant cutting torch according to claim 5, wherein: one ends of the inclined anti-inclined elastic wires (a 1) and the supporting wires (a 2) are fixedly connected with a butt-joint sealing inclined plate (a 3).
7. The injection and absorption internal mixing type tempering-resistant cutting torch according to claim 4, wherein: an overhanging casing (28) is fixedly connected to the outer side surface of the heat dissipation fire head (21), and a deformed soft casing (29) is fixedly connected to the inner side surface of the overhanging casing (28).
8. The injection and absorption internal mixing type tempering-resistant cutting torch according to claim 7, wherein: the outer side surface of the butt joint sealing block (27) is fixedly connected with a pulling rope (210), and one end of the pulling rope (210) is fixedly connected to the outer side surface of the fire cutting torch (11).
9. The jet-suction internal mixing type tempering-resistant cutting torch according to claim 1, wherein: the inner side surface of the heat dissipation fire head (21) is fixedly connected with a fuel guide cone head (23) at the right side edge position.
10. The injection and absorption internal mixing type tempering-resistant cutting torch according to claim 9, wherein: the inner side surface of the heat dissipation fire head (21) is fixedly connected with a high-temperature resistant fire-spraying head (211) at the left side edge position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321059502.2U CN219976425U (en) | 2023-05-04 | 2023-05-04 | Jet-suction internal mixing type tempering-preventing cutting torch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321059502.2U CN219976425U (en) | 2023-05-04 | 2023-05-04 | Jet-suction internal mixing type tempering-preventing cutting torch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219976425U true CN219976425U (en) | 2023-11-07 |
Family
ID=88596695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321059502.2U Active CN219976425U (en) | 2023-05-04 | 2023-05-04 | Jet-suction internal mixing type tempering-preventing cutting torch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219976425U (en) |
-
2023
- 2023-05-04 CN CN202321059502.2U patent/CN219976425U/en active Active
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