Clamping type spray gun

Abstract

The utility model discloses a clamping type spray gun which comprises a conductive shell, a sleeve clamp used for being in butt joint with a gas pipe is arranged at the bottom of the conductive shell, a mixing channel is arranged in the conductive shell and extends to the front end of the conductive shell, an air channel is arranged on the side portion of the conductive shell, and a gas channel communicated with the mixing channel is arranged at the bottom of the conductive shell. A mounting cylinder is arranged on the upper portion of the conductive outer shell, an ignition device is arranged in the mounting cylinder and comprises an inner shell, a circuit board arranged in the inner shell, a power module, a high-voltage generator and an ignition key, the power module, the high-voltage generator and the ignition key are electrically connected with the circuit board, and the high-voltage generator is controlled to be powered on or powered off through the ignition key. The lead channel extends to the front end of the conductive shell, one lead of the high-voltage generator is electrically connected with the conductive shell, and the other lead of the high-voltage generator penetrates through the lead channel and extends to the front of the conductive shell. The electric arc ignition mode is adopted, and the ignition device has the advantage of being stable and reliable in ignition.

Description

Technical Field

[0001] The utility model relates to the technical field of ignition devices, in particular to a card-type spray gun. Background Art

[0002] Flamethrower is a new outdoor product, a kind of outdoor cooking utensils. It is called "TORCH" abroad. It is an ignition and heating tool derived from the existing butane gas tank. Outdoor cooking utensils generally refer to stoves and fuel (butane gas tanks) used for cooking and boiling water in the wild, which is very convenient to carry. Flamethrower replaces the function of stoves, freeing the flame from a fixed position, making it easier to ignite a campfire and bake food.

[0003] The utility model patent with patent number CN219913050U discloses a cartridge gas cylinder spray gun, which uses an igniter to ignite the gas by spark ignition. However, due to uneven gas density and unstable spark discharge, the spark often fails to ignite. Therefore, it is necessary to improve the existing cartridge spray gun to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a cartridge spray gun. The utility model adopts an arc ignition mode and has the advantages of stable and reliable ignition.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a card-type spray gun, comprising a conductive shell, a sleeve card for docking with a gas pipe is provided at the bottom of the conductive shell, a mixing channel is provided in the conductive shell, and the mixing channel extends to the front end of the conductive shell, an air channel connected to the mixing channel for air to enter is provided on the side of the conductive shell, and a gas channel connected to the mixing channel is provided at the bottom of the conductive shell; a mounting tube is provided on the upper part of the conductive shell, and an ignition device is provided in the mounting tube, the ignition device comprises an inner shell, a circuit board arranged in the inner shell, and a power module electrically connected to the circuit board, a high-voltage generator, and an ignition button, and the power on or off of the high-voltage generator is controlled by the ignition button, a lead channel is provided between the mounting tube and the conductive shell, and the lead channel extends to the front end of the conductive shell, one of the leads of the high-voltage generator is electrically connected to the conductive shell, and the other lead of the high-voltage generator passes through the lead channel and extends to the front of the conductive shell.

[0006] By adopting the above technical solution, ignition is performed by electric arc ignition. Since one lead of the high-voltage generator is electrically connected to the conductive shell, and the other lead extends to the front of the conductive shell, when the ignition button is triggered, the high-voltage generator is energized, and the air between the wire located in front of the conductive shell and the front end of the conductive shell generates a high-temperature electric arc, which ignites the fuel gas ejected from the mixing channel to achieve ignition. Compared with the electric spark ignition method, it has the advantages of stable and reliable ignition and long service life, thereby improving the reliability of the use of the cartridge spray gun.

[0007] The utility model is further configured such that a first positioning groove is provided on the outer side of the inner shell, a first positioning protrusion is provided on the inner side of the mounting tube and the first positioning protrusion matches with the first positioning groove, the inner shell includes a left shell and a right shell, a plurality of second positioning protrusions are provided on the left shell, and a plurality of second positioning grooves are provided on the right shell and the second positioning protrusions match with the second positioning protrusions.

[0008] By adopting the above technical solution, the installation structure of the inner shell is simple and reliable, and the disassembly and assembly is very convenient. In addition, the inner shell adopts a detachable structure, which is convenient for the assembly operation of internal parts.

[0009] The utility model is further configured that a positioning recess is provided on the left shell body, and a pressing protrusion for pressing the high-voltage generator into the positioning recess is provided on the right shell body.

[0010] By adopting the above technical solution, after the left shell and the right shell are connected, the high-voltage generator is automatically positioned inside, and the installation is very convenient.

[0011] The utility model is further configured such that a plurality of third positioning protrusions are provided on the left shell body, a plurality of positioning holes matching with the third positioning protrusions are provided on the circuit board, and the power module is clamped between the circuit board and the right shell body.

[0012] By adopting the above technical solution, the circuit board and the power module can be quickly installed, and the structure is compact and reliable.

[0013] The utility model is further configured such that a lighting lamp is also provided at the front end of the inner shell, a passage is provided at the front end of the mounting tube for the lighting lamp to pass through, a light source button is provided on the circuit board, the light source button is electrically connected to a power supply assembly, and the lighting lamp is electrically connected to the light source button via a wire.

[0014] By adopting the above technical solution, the lighting lamp can be powered on by triggering the light source button, so that it has the function of flashlight lighting, which is convenient for use at night and outdoors.

[0015] The utility model is further configured that the circuit board is also provided with a power button, and the power button is electrically connected to the power module for controlling the on and off of the power module.

[0016] By adopting the above technical solution, the power module can be controlled to be turned on and off by operating the power button. When carrying, the power module can be stopped from supplying power, which can prevent the lighting or ignition function from being accidentally turned on.

[0017] The utility model is further configured that the inner shell is also equipped with a first button for triggering an ignition button, a second button for triggering a light source button, and a push knob for triggering a power button, and the mounting tube is provided with a first opening for the first button to pass through, a second opening for the second button to pass through, and a third opening for the push knob to pass through.

[0018] By adopting the above technical solution, buttons or push knobs adapted to each key are provided, which facilitates operation.

[0019] The utility model is further configured that a connecting protrusion is provided between the installation cylinder and the conductive shell, so that a heat dissipation gap is formed between the installation cylinder and the conductive shell.

[0020] By adopting the above technical solution, it is possible to prevent the high temperature generated after ignition from being conducted into the ignition device, thereby achieving the effect of protecting the ignition device.

[0021] The utility model is further configured that the installation tube includes a first shell and a second shell, the first shell and the conductive shell are an integrated structure, and the second shell and the first shell are detachably connected together by screws.

[0022] By adopting the above technical solution, the installation tube also adopts a detachable structure, which greatly facilitates the disassembly and assembly of the ignition device.

[0023] The utility model is further configured that a protective tube is provided at the front end of the conductive shell.

[0024] By adopting the above technical solution, the protective tube can protect the gun head (fire outlet) and increase the service life of the cassette spray gun. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the first viewing direction of the overall appearance of the utility model;

[0026] Figure 2 It is a second view structural schematic diagram of the overall appearance of the utility model;

[0027] Figure 3 A cross-sectional view of the utility model as a whole;

[0028] Figure 4 This is a schematic diagram of the structure of the utility model after the installation tube is disassembled;

[0029] Figure 5It is a structural schematic diagram of the ignition device of the utility model;

[0030] Figure 6 This is an exploded view of the ignition device of the utility model from a first perspective;

[0031] Figure 7 This is an exploded view of the ignition device of the utility model from a second perspective.

[0032] In the figure: 1. conductive shell; 2. sleeve card; 3. mixing channel; 4. air channel; 5. gas channel; 6. installation tube; 7. ignition device; 8. inner shell; 9. power module; 10. high voltage generator; 11. ignition button; 12. lead channel; 13. first positioning groove; 14. first positioning protrusion; 15. left shell; 16. right shell; 17. second positioning protrusion; 18. second positioning groove; 19. positioning recess; 20. pressing protrusion; 21. third positioning protrusion; 22. positioning hole; 23. lighting lamp; 24. through mouth; 25. light source button; 26. power button; 27. first button; 28. second button; 29. ​​push knob; 30. first opening; 31. second opening; 32. third opening; 33. connecting protrusion; 34. heat dissipation gap; 35. first shell; 36. second shell; 37. protective tube; 38. circuit board. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Example: As shown in the attached Figures 1 to 7The illustrated card-type spray gun comprises a conductive shell 1, which can be made of copper material. The bottom of the conductive shell 1 is provided with a sleeve card 2 for docking with a gas pipe. The conductive shell 1 is provided with a mixing channel 3, and the mixing channel 3 extends to the front end of the conductive shell 1. The side of the conductive shell 1 is provided with an air channel 4 connected to the mixing channel 3 for air to enter. The bottom of the conductive shell 1 is provided with a gas channel 5 connected to the mixing channel 3; the upper part of the conductive shell 1 is provided with a mounting tube 6, and the mounting tube 6 is provided with an ignition device 7. The ignition device 7 is provided in the mounting tube 6. The ignition device 7 includes an inner shell 8, a circuit board 38 arranged in the inner shell 8, a power module 9 electrically connected to the circuit board 38, a high-voltage generator 10, and an ignition button 11. The ignition button 11 is used to control the power on or off of the high-voltage generator 10. A lead channel 12 is provided between the mounting tube 6 and the conductive shell 1. The lead channel 12 extends to the front end of the conductive shell 1. One of the leads of the high-voltage generator 10 is electrically connected to the conductive shell 1, and the other lead of the high-voltage generator 10 passes through the lead channel 12 and extends to the front of the conductive shell 1. The ignition is performed by an arc ignition method. Since one lead of the high-voltage generator 10 is electrically connected to the conductive shell 1, and the other lead extends to the front of the conductive shell 1, when the ignition button 11 is triggered, the high-voltage generator 10 is energized, and a high-temperature arc is generated between the wire located in front of the conductive shell 1 and the air at the front end of the conductive shell 1, igniting the fuel gas ejected from the mixing channel 3 to achieve ignition. Compared with the electric spark ignition method, it has the advantages of stable and reliable ignition and long service life, thereby improving the reliability of the cartridge spray gun.

[0035] As attached Figures 4 to 7 As shown, the outer side of the inner shell 8 is provided with a first positioning groove 13, the inner side of the mounting tube 6 is provided with a first positioning protrusion 14 that matches the first positioning groove 13, the inner shell 8 includes a left shell 15 and a right shell 16, the left shell 15 is provided with a plurality of second positioning protrusions 17, and the right shell 16 is provided with a plurality of second positioning grooves 18 that match the second positioning protrusions 17. The installation structure of the inner shell 8 is simple and reliable, and the disassembly and assembly is very convenient. The inner shell 8 adopts a detachable structure, which is convenient for the assembly operation of the internal parts.

[0036] As attached Figure 6 and attached Figure 7 As shown, the left housing 15 is provided with a positioning recess 19, which can be specifically provided by arranging a plurality of positioning plates in the left housing 15, the plurality of positioning plates enclosing the positioning recess 19, and the right housing 16 is provided with a pressing protrusion 20 for pressing the high-voltage generator 10 in the positioning recess 19. After the left housing 15 and the right housing 16 are connected, the high-voltage generator 10 is automatically positioned inside, and the installation is very convenient.

[0037] As attached Figure 6 and attached Figure 7As shown, the left housing 15 is provided with a plurality of third positioning protrusions 21, the circuit board 38 is provided with a plurality of positioning holes 22 that fit with the third positioning protrusions 21, and the power module 9 is sandwiched between the circuit board 38 and the right housing 16. This design can realize the rapid installation of the circuit board 38 and the power module 9, and the structure is compact and reliable.

[0038] As attached Figure 6 As shown, the front end of the inner shell 8 is also provided with a lighting lamp 23, the front end of the mounting tube 6 is provided with a through hole 24 for the lighting lamp 23 to pass through, and the circuit board 38 is provided with a light source button 25, the light source button 25 is electrically connected to the power supply component, and the lighting lamp 23 is electrically connected to the light source button 25 through a wire. By triggering the light source button 25, the lighting lamp 23 can be powered on, so that it has the function of flashlight lighting, which is convenient for use at night and outdoors.

[0039] As attached Figure 6 As shown, the circuit board 38 is also provided with a power button 26, which is electrically connected to the power module 9 for controlling the power on and off of the power module 9. The power module 9 is also provided with a USU charging interface. By operating the power button 26, the power on and off of the power module 9 can be controlled. When carrying, the power module 9 stops supplying power, which can prevent the lighting or ignition function from being accidentally turned on.

[0040] As attached Figure 5 and attached Figure 6 As shown, the inner shell 8 is also equipped with a first button 27 for triggering the ignition button 11, a second button 28 for triggering the light source button 25, and a push knob 29 for triggering the power button 26. The mounting tube 6 is provided with a first opening 30 for the first button 27 to pass through, a second opening 31 for the second button 28 to pass through, and a third opening 32 for the push knob 29 to pass through. In this embodiment, the first button 27 is arranged at the rear end of the mounting tube 6, and the second button 28 and the push knob 29 are arranged at the side of the mounting tube 6. The buttons or push knobs 29 adapted to each button are arranged for easy operation.

[0041] As attached Figure 1 As shown, a connecting protrusion 33 is provided between the mounting tube 6 and the conductive shell 1, so that a heat dissipation gap 34 is formed between the mounting tube 6 and the conductive shell 1. This design can prevent the high temperature generated after ignition from being conducted into the ignition device 7, thereby protecting the ignition device 7.

[0042] As attached Figure 4 As shown, the mounting tube 6 includes a first shell 35 and a second shell 36. The first shell 35 and the conductive housing 1 are an integrated structure, and the second shell 36 and the first shell 35 are detachably connected by screws. The mounting tube 6 also adopts a detachable structure, which greatly facilitates the disassembly and assembly of the ignition device 7.

[0043] As attached Figure 1 As shown, a protective tube 37 is provided at the front end of the conductive housing 1. The protective tube 37 can protect the gun head (fire outlet) and increase the service life of the cartridge spray gun.

Claims

1. A card-type spray gun, comprising a conductive shell (1), a card (2) for docking with a gas pipe is provided at the bottom of the conductive shell (1), a mixing channel (3) is provided inside the conductive shell (1), and the mixing channel (3) extends to the front end of the conductive shell (1), an air channel (4) connected to the mixing channel (3) for air to enter is provided at the side of the conductive shell (1), and a gas channel (5) connected to the mixing channel (3) is provided at the bottom of the conductive shell (1); characterized in that: A mounting tube (6) is provided on the upper part of the conductive shell (1), and an ignition device (7) is provided in the mounting tube (6). The ignition device (7) comprises an inner shell (8), a circuit board (38) arranged in the inner shell (8), a power module (9) electrically connected to the circuit board (38), a high-voltage generator (10), and an ignition button (11). The ignition button (11) is used to control the power on or off of the high-voltage generator (10). A lead channel (12) is provided between the mounting tube (6) and the conductive shell (1), and the lead channel (12) extends to the front end of the conductive shell (1). One of the leads of the high-voltage generator (10) is electrically connected to the conductive shell (1), and the other lead of the high-voltage generator (10) passes through the lead channel (12) and extends to the front of the conductive shell (1).

2. A cartridge spray gun according to claim 1, characterized in that: The outer side of the inner shell (8) is provided with a first positioning groove (13), the inner side of the mounting tube (6) is provided with a first positioning protrusion (14) which matches with the first positioning groove (13), the inner shell (8) comprises a left shell (15) and a right shell (16), the left shell (15) is provided with a plurality of second positioning protrusions (17), and the right shell (16) is provided with a plurality of second positioning grooves (18) which match with the second positioning protrusions (17).

3. A cartridge spray gun according to claim 2, characterized in that: The left housing (15) is provided with a positioning recess (19), and the right housing (16) is provided with a pressing protrusion (20) for pressing the high-voltage generator (10) into the positioning recess (19).

4. A cartridge spray gun according to claim 2, characterized in that: The left housing (15) is provided with a plurality of third positioning protrusions (21), the circuit board (38) is provided with a plurality of positioning holes (22) that match the third positioning protrusions (21), and the power module (9) is clamped between the circuit board (38) and the right housing (16).

5. A cartridge spray gun according to claim 1, characterized in that: The front end of the inner shell (8) is also provided with an illumination lamp (23); the front end of the mounting tube (6) is provided with a passage (24) for the illumination lamp (23) to pass through; a light source button (25) is provided on the circuit board (38); the light source button (25) is electrically connected to a power supply assembly; and the illumination lamp (23) is electrically connected to the light source button (25) via a wire.

6. A cartridge spray gun according to claim 5, characterized in that: The circuit board (38) is also provided with a power button (26), and the power button (26) is electrically connected to the power module (9) for controlling the power on and off of the power module (9).

7. A cartridge spray gun according to claim 6, characterized in that: The inner shell (8) is also provided with a first button (27) for triggering an ignition button (11), a second button (28) for triggering a light source button (25), and a push knob (29) for triggering a power button (26); the mounting tube (6) is provided with a first opening (30) for the first button (27) to pass through, a second opening (31) for the second button (28) to pass through, and a third opening (32) for the push knob (29) to pass through.

8. The cartridge spray gun according to claim 1, characterized in that: A connecting protrusion (33) is provided between the mounting tube (6) and the conductive shell (1), so that a heat dissipation gap (34) is formed between the mounting tube (6) and the conductive shell (1).

9. A cartridge spray gun according to claim 1, characterized in that: The mounting cylinder (6) comprises a first shell (35) and a second shell (36); the first shell (35) and the conductive housing (1) are an integrated structure; the second shell (36) and the first shell (35) are detachably connected together by screws.

10. The cartridge spray gun according to claim 1, characterized in that: A protective tube (37) is provided at the front end of the conductive housing (1).

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