CN219199256U

CN219199256U - Telescopic flame gun

Info

Publication number: CN219199256U
Application number: CN202320044827.7U
Authority: CN
Inventors: 倪琳涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-16
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a telescopic flame gun, which comprises a gun handle, a gun barrel and a nozzle, wherein the gun barrel comprises a connecting pipe and an air duct, the gun handle is connected with the connecting pipe through a control valve, the other end of the connecting pipe is connected with the air duct through a locking device, the air duct is mutually sleeved with the connecting pipe, the air duct is connected with the nozzle, and the locking device is linked to lock or unlock telescopic movement of the gun barrel. According to the utility model, the length of the gun barrel can be adjusted according to different combustion places, and the position of the air duct on the connecting pipe is locked through the locking device in a linkage way, so that a user can conveniently adjust the flaming distance of the flaming gun, the use is more convenient, and the user experience is improved.

Description

Telescopic flame gun

Technical Field

The utility model relates to the technical field of flame guns, in particular to a telescopic flame gun.

Background

The utility model provides a fire gun, as flame spraying equipment, through carrying out pressure regulating unsteady blowout muzzle to the gas, the gas contacts with the air in nozzle department and ignites it, thereby form high Wen Zhuxing flame in order to carry out work such as heating, welding, be applied to open-air barbecue often, auto repair, burning removes weeds etc. current fire gun, external gas source and handle intercommunication, the user needs handheld handle in order to control the gas output, and fire the gas of nozzle department through the ignition switch, for example, the patent of publication number CN210320022U discloses a fire gun for combustor, be provided with the front tube and the back pipe adopts threaded connection each other, be provided with the flame gun in the front tube inboard, be provided with the cover of screwing between flame gun and the front tube, carry out threaded connection through the cover of screwing with the surface of flame gun, be provided with flame gun adjusting part on the flame gun, can be convenient for carry out the change of flame gun, in order to change the flame distance of this fire gun.

However, for satisfying different burning places, the user still needs to carry the fire head of different length to replace according to the demand, the dismouting of fire head is replaced comparatively time and energy, and the user is difficult to with the distance adjustment of flaming to suitable distance, uses comparatively inconveniently, reduces user experience.

Disclosure of Invention

The utility model aims to solve the defects of the technology, and the telescopic flame gun is designed, the length of a gun barrel can be adjusted according to different combustion places, and the position of the air duct on the connecting pipe is locked through the linkage of the locking device, so that a user can conveniently adjust the flame spraying distance of the flame gun, the use is convenient, and the user experience is improved.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a telescopic flaming gun, includes stock, barrel and nozzle, the barrel includes connecting pipe and air duct, the stock through be provided with the control valve with the connecting pipe is connected, the other end of connecting pipe through be provided with locking device with the air duct is connected, the air duct with the connecting pipe mutually overlap the ground setting, the air duct with the nozzle is connected, locking device linkage is in order to lock or unblock the flexible activity of barrel.

Preferably, the air duct slides and connects in the connecting pipe, locking device includes lock sleeve and drive cover, one end of lock sleeve with the connecting pipe is inconsistent, the other end of lock sleeve is personally submitted the ring array interval and is provided with a plurality of locking pieces, drive the cover and locate on the air duct, the locking chamber has been seted up to the drive cover, the inner wall in locking chamber with the outer wall threaded connection of connecting pipe, the locking chamber is inconsistent with each locking piece.

Preferably, a limiting ring is arranged on the outer wall of the end part of the connecting pipe, which is close to the locking device, and the outer diameter of the limiting ring is larger than the inner diameter of the locking cavity.

Preferably, the control valve comprises a valve body and a pressing rod, the valve body is communicated with the connecting pipe, the valve body is provided with an adjusting rod, and the end part of the adjusting rod, which is exposed out of the valve body, is elastically in interference fit with the inner side of the pressing rod.

Preferably, the control valve further comprises an adjusting knob, and one end of the adjusting knob is movably connected in the valve body so as to control the flow rate of the valve body.

Preferably, the nozzle comprises a connecting piece and a hollow cylinder, wherein the hollow cylinder is connected with the other end of the gun barrel through the connecting piece, and a plurality of vent holes are formed in the end wall of the hollow cylinder at intervals.

Preferably, the electronic ignition device comprises a storage box, an ignition button and an ignition needle, wherein the ignition button is electrically connected with the ignition needle through a wire, the wire is wound in the storage box, and the ignition end of the ignition needle is arranged in the nozzle.

Preferably, the air duct is provided with at least one connecting ring, the connecting ring is provided with a maintaining part, and the maintaining part is penetrated with a maintaining hole for the electric wire to pass through.

Compared with the prior art, the utility model has the beneficial effects that: when the telescopic flame gun is used by a user, the gun handle can be gripped to hold the flame gun, the user can control the opening and closing of the control valve and control the gas output into the gun barrel, the gas in the gun barrel is output to the outside through the nozzle, the gas and the air can be fully contacted and mixed, so that the full combustion of the gas is realized, the gun barrel can adjust the length of the gun barrel according to different combustion places through the sliding connection of the gas guide pipe and the connecting pipe, and the position of the gas guide pipe on the connecting pipe is locked through the linkage of the locking device, so that the user can conveniently adjust the flame spraying distance of the flame gun, the use is convenient, and the user experience is improved.

Drawings

FIG. 1 is a schematic diagram of a first embodiment;

FIG. 2 is a schematic diagram of a second embodiment;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is an exploded view of the barrel and locking device of the first embodiment;

fig. 5 is a schematic structural diagram of a second embodiment;

fig. 6 is a schematic diagram of a second embodiment.

In the figure: 1. a gun handle; 2. a barrel; 21. a connecting pipe; 22. an air duct; 3. a nozzle; 31. a connecting piece; 32. a hollow cylinder; 4. a control valve; 41. a valve body; 42. pressing a pressing rod; 43. an adjustment knob; 5. a locking device; 51. a locking sleeve; 52. a driving sleeve; 6. a locking piece; 7. a locking cavity; 8. a limiting ring; 9. an adjusting rod; 10. a vent hole; 11. an electronic ignition device; 111. a storage box; 112. an ignition button; 113. an ignition needle; 12. a connecting ring; 13. a maintaining part; 14. a maintenance hole; 15. an electric wire; 16. and a connecting piece.

Detailed Description

The utility model is further described below by way of examples with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1, 2, 3 and 4, a telescopic flame gun comprises a gun handle 1, a gun barrel 2 and a nozzle 3, wherein the gun barrel 2 comprises a connecting pipe 21 and an air duct 22, the air duct 22 is slidably connected in the connecting pipe 21 so that the gun barrel 2 can perform telescopic movement, the gun handle 1 is connected with the connecting pipe 21 through a control valve 4, one end of the air duct 22, which is connected with the nozzle 3, is bent so as to adjust the flame spraying angle of the nozzle 3 at a proper angle, the nozzle 3 comprises a connecting piece 1631 and a hollow cylinder 32, the hollow cylinder 32 is connected and communicated with the air duct 22 through the connecting piece 1631, and a plurality of ventilation holes 10 are formed in the end wall of the hollow cylinder 32 at intervals.

The control valve 4 comprises a valve body 41, a pressing rod 42 and an adjusting knob 43, wherein the valve body 41 is communicated with the connecting pipe 21, the gun handle 1 is connected with an external fuel gas source and is communicated with the valve body 41, the valve body 41 is provided with an adjusting rod 9, and the end part of the adjusting rod 9, which is exposed out of the valve body 41, is in elastic abutting fit with the inner side of the pressing rod 42. When the gun handle 1 is used, the gun handle 1 is held by the hand of a user, the pressing rod 42 is hinged with the gun handle 1, so that the finger of the user drives the pressing rod 42 to be close to the gun handle 1 to be linked with the adjusting rod 9, the valve body 41 is opened, the gun handle 1 is communicated with the valve body 41, the external fuel gas source outputs fuel gas to the gun barrel 2 through the valve body 41, one end of the adjusting knob 43 is movably connected in the valve body 41, the valve body 41 and the adjusting knob 43 form a throttle valve structure, and the throttle valve structure is used for controlling the flow of the valve body 41. The throttle valve structure is a valve for controlling the flow of fluid or gas by changing the throttle section or the throttle length, which is the prior art and is not described in detail herein. The user opens and closes and controls the gas output into the gun barrel 2 through the control valve 4, the gas in the gun barrel 2 is output to the outside through the nozzle 3, and the gas in the hollow cylinder 32 is fully contacted and mixed with the air through the plurality of vent holes 10, so that the full combustion of the gas is realized.

The other end of the connecting pipe 21 is connected with the air duct 22 through being provided with a locking device 5, the locking device 5 comprises a locking sleeve 51 and a driving sleeve 52, one end face of the locking sleeve 51 is propped against the connecting pipe 21, the other end face of the locking sleeve 51 is provided with a plurality of locking pieces 6 at intervals in a circular ring array, the driving sleeve 52 is sleeved on the air duct 22, the driving sleeve 52 is provided with a locking cavity 7, and the inner wall of the locking cavity 7 is in threaded connection with the outer wall of the connecting pipe 21, so that a user can drive the sleeve 52 to unscrew or screw in the connecting pipe 21.

When the driving sleeve 52 and the connecting pipe 21 are unscrewed, the locking cavity 7 is separated from each locking piece 6, each locking piece is deformed in a restoration mode to be outwards dispersed for unlocking the telescopic movement of the gun barrel 2, a user can adjust the length of the gun barrel 2 according to different combustion places, after the length of the gun barrel 2 is adjusted, the user can screw the driving sleeve 52 into the connecting pipe 21, the outer wall of the end portion, close to the locking device 5, of the connecting pipe 21 is provided with the limiting ring 8, the outer diameter of the limiting ring 8 is larger than the inner diameter of the locking cavity 7, when the limiting ring 8 abuts against the driving sleeve 52, the limiting ring 8 prevents the limiting driving sleeve 52 from being continuously screwed in the connecting pipe 21, the locking cavity 7 abuts against each locking piece 6, each locking piece 6 is deformed in a pressing mode to be inwards folded, each locking piece 6 abuts against the outer wall of the air guide pipe 22 under the limiting of the locking cavity 7 for locking the position of the air guide pipe 22 on the connecting pipe 21, accordingly the user can adjust the fire spraying distance of the fire spraying gun conveniently, and the user experience is improved.

Embodiment two:

referring to fig. 5 and 6, unlike the first embodiment, the telescopic flame gun further comprises an electronic ignition device 11, the electronic ignition device 11 comprises a storage box 111, an ignition button 112 and an ignition needle 113, a connecting pipe 21 is sleeved with a connecting piece 16 for installing the storage box 111, the ignition button 111 is electrically connected with the ignition needle 113 through a wire 15, an ignition end of the ignition needle 113 is arranged in a nozzle 3, the ignition button 112 is an electronic igniter, the working principle is that piezoelectric ceramics are arranged in the ignition button, the two sides of a ceramic plate are pressurized, and directional flow of electrons can be generated, so that the tip of the ignition end of the ignition needle 113 discharges and electric sparks are generated in an air outlet of the nozzle 3 to ignite fuel gas in the nozzle 3;

in yet another embodiment of the electronic ignition device 11, the ignition button 112 is a button for controlling on-off of a circuit, the ignition button 112 is also connected with an external power supply, a user controls on-off of the external power supply and the ignition needle 113 through the ignition button 112, and when the ignition needle 113 is electrified, the point of the ignition end discharges and generates an electric spark in the air outlet of the nozzle 3 so as to ignite the fuel gas in the nozzle 3.

When the user uses the flame gun, the user holds the gun handle 1 with one hand and controls the gas output through the control valve 4, and presses the ignition button 112 with the other hand, so as to control the ignition end of the ignition needle 113 to work in the hollow cylinder 32, and quickly ignite the gas output from the gun barrel 2 into the hollow cylinder 32.

The air duct 22 is sleeved with three connecting rings 12, the connecting rings 12 are provided with a maintaining part 13, the maintaining part 13 is penetrated by a maintaining hole 14 through which the power supply line 15 passes, and each connecting ring 12 can slide on the air duct 22;

the storage box 111 is of a hollow structure, the electric wires 15 are wound in the storage box 111, and when the gun barrel 2 is shortened, the connecting rings 12 slide on the air guide pipe 22 and are close to each other, so that a user winds the electric wires 15 in the storage box 111;

when the gun tube 2 is extended, the connecting rings 12 slide on the air duct 22 and are separated from each other, and the connecting rings 12 pass through the maintaining holes 14 to maintain the electric wires 15 to be linearly distributed on the air duct 22, so that the elongated electric wires 15 are prevented from being wound.

Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.

Claims

1. The utility model provides a telescopic flaming gun, includes stock (1), barrel (2) and nozzle (3), characterized by: the gun barrel (2) comprises a connecting pipe (21) and an air duct (22), wherein the gun handle (1) is connected with the connecting pipe (21) through being provided with a control valve (4), the other end of the connecting pipe (21) is connected with the air duct (22) through being provided with a locking device (5), the air duct (22) and the connecting pipe (21) are mutually sleeved, the air duct (22) is connected with the nozzle (3), and the locking device (5) is linked to lock or unlock the telescopic movement of the gun barrel (2).

2. A retractable flame gun according to claim 1, wherein: the air duct (22) slide and connect in connecting pipe (21), locking device (5) include lock sleeve (51) and drive cover (52), one end face of lock sleeve (51) with connecting pipe (21) are inconsistent, the other end of lock sleeve (51) is personally submitted the ring array interval and is provided with a plurality of locking piece (6), drive cover (52) cover and locate on air duct (22), drive cover (52) and offered locking chamber (7), the inner wall of locking chamber (7) with the outer wall threaded connection of connecting pipe (21), locking chamber (7) are inconsistent with each locking piece (6).

3. A retractable flame gun according to claim 2, wherein: and a limiting ring (8) is arranged on the outer wall of the end part of the connecting pipe (21) close to the locking device (5), and the outer diameter of the limiting ring (8) is larger than the inner diameter of the locking cavity (7).

4. A retractable flame gun according to claim 1, wherein: the control valve (4) comprises a valve body (41) and a pressing rod (42), wherein the valve body (41) is communicated with the connecting pipe (21), the valve body (41) is provided with an adjusting rod (9), and the end part of the valve body (41) is exposed out of the adjusting rod (9) and is in elastic interference fit with the inner side of the pressing rod (42).

5. A retractable fire gun according to claim 4, wherein: the control valve (4) further comprises an adjusting knob (43), and one end of the adjusting knob (43) is movably connected in the valve body (41) so as to control the flow rate of the valve body (41).

6. A retractable flame gun according to claim 1, wherein: the nozzle (3) comprises connecting pieces (16) (31) and a hollow cylinder (32), the hollow cylinder (32) is connected with the other end of the gun barrel (2) through the connecting pieces (16) (31), and a plurality of vent holes (10) are formed in the end wall of the hollow cylinder (32) at intervals.

7. A retractable flame gun according to claim 1, wherein: the electronic ignition device is characterized by further comprising an electronic ignition device (11), wherein the electronic ignition device (11) comprises a storage box (111), an ignition button (112) and an ignition needle (113), the ignition button (112) is electrically connected with the ignition needle (113) through a wire (15), the wire (15) is wound in the storage box (111), and the ignition end of the ignition needle (113) is arranged in the nozzle (3).

8. A retractable fire gun according to claim 7, wherein: the air duct (22) is sleeved with at least one connecting ring (12), the connecting ring (12) is provided with a maintaining part (13), and the maintaining part (13) is penetrated with a maintaining hole (14) for the electric wire (15) to pass through.