CN210462990U

CN210462990U - Flame projecting equipment

Info

Publication number: CN210462990U
Application number: CN201921068846.3U
Authority: CN
Inventors: 高国豪; 李永成
Original assignee: Dongguan Summit Plastic Products Co Ltd
Current assignee: Dongguan Summit Plastic Products Co Ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-05-05
Anticipated expiration: 2029-07-09

Abstract

The utility model relates to a flame spraying device, which comprises a shell component, a conduction mechanism connected with the shell component, a control mechanism connected with the conduction mechanism, and an ignition component connected with the shell component; the shell component comprises a bottom shell and an air injection pipe; the conduction mechanism comprises a valve seat assembly, a joint and a valve core which are respectively connected with the valve seat assembly, and a buffer assembly; the control mechanism comprises a control block, an air valve and an air nozzle which are connected with the control block; an air delivery hole is arranged in the control block; one end of the air delivery hole is connected with the conduction mechanism, and the other end of the air delivery hole is connected with the air tap; the ignition assembly comprises an igniter connected with the bottom shell and an electric wire connected with the igniter; the electric wire is arranged in the air injection pipe in a penetrating way. Above-mentioned flame projecting equipment, through case and the buffering subassembly that sets up conduction mechanism, the control fuel lets in control mechanism that is interrupted, simultaneously through setting up disk seat subassembly and control block, improves the heat transfer efficiency between control mechanism and the conduction mechanism, guarantees the gasification efficiency of fuel, prevents that the unable problem of lighting or flame-out from appearing.

Description

Flame projecting equipment

Technical Field

The utility model relates to an ignition technical field especially relates to a flame projecting equipment.

Background

Along with the improvement of living standard of people, eating and drinking modes such as picnic barbecue and the like become life relaxation modes of people, because picnic and barbecue are needed outdoors, the cooking is not as convenient as cooking at home, and convenience of ignition is needed to be considered, so that the liquefied fuel tank has the advantages of convenience in carrying and long combustion supporting time and is widely accepted by people.

The existing flame spraying equipment is connected with a liquefied fuel tank, and leads liquefied fuel into the flame spraying equipment for combustion, but the existing flame spraying equipment is usually only provided with a thin conduit communicated with the interior of the liquefied fuel tank, and the inner diameter of the conduit is small because the fuel flow needs to be controlled; however, because the size of the thin conduit is small, the fuel absorbs heat in the process of converting liquid into gas, so that the temperature of the thin conduit is reduced at a very high speed, the thin conduit after the temperature is reduced can directly cause the fuel to be incapable of being gasified, and further the fuel cannot be ignited, so that the existing flame spraying equipment can be incapable of being ignited and even flameout after working for a long time, and is very dangerous.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a flame projecting device for solving the problem that fuel cannot be vaporized due to a decrease in temperature.

A flaming device comprising:

the shell assembly comprises a bottom shell and an air injection pipe connected with the bottom shell;

a conduction mechanism connected with the housing assembly; the conduction mechanism comprises a valve seat assembly connected with the bottom shell, a joint and a valve core which are respectively connected with the valve seat assembly, and a buffer assembly arranged in the valve seat assembly; a channel is arranged in the valve seat assembly, and the valve core is used for controlling the on-off state of the channel;

the control mechanism is connected with the conduction mechanism; the control mechanism comprises a control block connected with the valve seat assembly, an air valve connected with the control block and an air nozzle arranged on the control block; the control block is internally provided with an air delivery hole; one end of the air delivery hole is communicated with the channel, the other end of the air delivery hole is communicated with the air tap, and the air valve is used for controlling the on-off state of the air delivery hole; and

an ignition assembly connected with the housing assembly; the ignition assembly comprises an igniter connected with the bottom shell and an electric wire connected with the igniter; the electric wire is arranged in the air injection pipe in a penetrating mode and used for generating electric sparks.

Above-mentioned flame projecting equipment, through case and the buffering subassembly that sets up conduction mechanism, the control fuel is interrupted lets in control mechanism, simultaneously through setting up disk seat subassembly and control block, very big improvement the heat transfer efficiency between control mechanism and the conduction mechanism, and then guarantee that external heat can be carried to control mechanism through conduction mechanism fast, and then guaranteed the gasification efficiency of fuel, prevent to light or flame-out problem appearance because long-time work.

In one embodiment, the valve seat assembly comprises a base and an air guide rod which is connected with the base in a sealing mode; one end of the air guide rod is correspondingly inserted into the air transmission hole.

In one embodiment, an insulating ring is arranged on the air guide rod; the insulating ring is sleeved at one end of the air guide rod inserted into the air delivery hole, and the insulating ring is clamped between the air guide rod and the control block.

In one embodiment, the control block is electrically connected to the gas lance; the igniter is provided with a positive electrode and a negative electrode, the positive electrode of the igniter is electrically connected with the electric wire, and the negative electrode of the igniter is abutted to the control block.

In one embodiment, the ignition assembly further comprises an electrically conductive spring; one end of the conductive spring is electrically connected with the control block, the other end of the conductive spring is electrically connected with the gas ejector pipe, and the conductive spring is arranged on the outer side of the gas nozzle in a surrounding mode.

In one embodiment, the valve core is provided with a spring tongue; the valve core is internally provided with a middle air passage, the middle air passage is correspondingly communicated with a passage of the valve seat assembly, the buffering assembly is abutted to the elastic tongue, and the elastic tongue is used for controlling the on-off state of the middle air passage.

In one embodiment, the buffer assembly comprises a pressure limiting valve and an elastic piece elastically arranged between the pressure limiting valve and a valve seat assembly; the pressure limiting valve is arranged in the valve seat assembly in a sliding mode and is abutted to the elastic tongue of the valve core; the pressure limiting valve is provided with an air hole which is communicated with two ends of the pressure limiting valve, and the elastic tongue is correspondingly covered at one end of the air hole.

In one embodiment, the pressure limiting valve is provided with a gas gathering groove; the gas collecting groove is arranged in a circular ring shape and extends from one end, close to the valve core, of the pressure limiting valve to the direction far away from the valve core.

In one embodiment, the air valve is arranged on one side of the control block, and one end of the air valve is correspondingly inserted into the control block and is correspondingly inserted into the air transmission hole.

In one embodiment, the gas ejector tube, the valve seat assembly and the control block are made of metal materials, and the bottom shell is made of insulating materials.

Drawings

Fig. 1 is a schematic structural view of a flaming device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the internal structure of the flaming device shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of a conduction mechanism;

fig. 4 is a schematic structural view of the pressure limiting valve.

The reference numbers in the drawings have the meanings given below:

100-flame spraying equipment;

10-shell component, 11-bottom shell, 15-gas ejector tube;

20-conduction mechanism, 30-valve seat component, 31-base, 32-gasification cavity, 33-connecting groove, 330-rubber gasket, 34-matching hole, 340-cylindrical part, 345-contraction part, 35-mounting groove, 36-air guide rod, 37-through hole, 38-insulating ring, 40-joint, 50-valve core, 55-spring tongue, 60-buffer component, 61-pressure limiting valve, 62-air hole, 63-sealing ring, 64-air gathering groove and 65-elastic element;

70-control mechanism, 71-control block, 75-air transmission hole, 72-air valve and 73-air nozzle;

80-ignition component, 81-igniter, 82-positive pole, 83-negative pole, 85-wire, 86-conductive spring.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 4, a flaming device 100 according to an embodiment of the present invention includes a housing assembly 10, a conducting mechanism 20 connected to the housing assembly 10, a control mechanism 70 connected to the conducting mechanism 20, and an ignition assembly 80 connected to the housing assembly 10; the fire-jet apparatus 100 is used to connect with an external liquefied fuel tank (not shown), and the fuel in the liquefied fuel tank is introduced into the fire-jet apparatus 100 for combustion.

The housing assembly 10 is disposed in a hollow structure along a vertical direction, and the housing assembly 10 is disposed outside the flaming device 100 for protecting internal components and simultaneously being grasped by hands; the housing assembly 10 includes a bottom shell 11 and a gas lance 15 coupled to the bottom shell 11. The bottom shell 11 is arranged in a hollow structure, and the bottom shell 11 is formed by mutually buckling and splicing two arc-shaped structures; this jet-propelled pipe 15 is the setting of cavity pipe form, and this jet-propelled pipe 15 corresponds and is connected with the top of drain pan 11, and this jet-propelled pipe 15 is used for the fuel injection and ignites, ignites through setting up the comparatively narrow and small environment in this jet-propelled pipe 15 convenient flame projecting equipment 100 entering space. In the present embodiment, the bottom case 11 is made of an insulating material; the gas lance 15 is made of a metallic conductive material. Furthermore, an air flow guide 16 is disposed inside the air nozzle 15, the air flow guide 16 is correspondingly disposed at an end of the air nozzle 15 facing away from the bottom case 11, and the air flow guide 16 is used for controlling the shape of the air flow and thus the shape of the flame.

The conduction mechanism 20 is correspondingly arranged in the bottom shell 11 of the shell assembly 10, and the conduction mechanism 20 is used for being connected with an external liquefied fuel tank so as to lead out fuel in the liquefied fuel tank; the conductance mechanism 20 includes a valve seat assembly 30, a connector 40 and a valve element 50 connected to the valve seat assembly 30, and a damping assembly 60 installed in the valve seat assembly 30. The valve seat assembly 30 is correspondingly extended and arranged at the bottom end of the bottom shell 11 along the vertical direction, a channel is arranged in the valve seat assembly, the channel is used for accommodating the valve core and the buffer assembly, and the valve seat assembly 30 comprises a base 31 and an air guide rod 36 connected with the base 31. The base 31 is approximately cylindrical and extends along the vertical direction, and the base 31 is used for being connected with an external liquefied fuel tank; the base 31 is provided with a gasification cavity 32 and a connecting groove 33; in this embodiment, the vaporizing chamber 32 is disposed at one end of the base 31, the vaporizing chamber 32 is disposed in a circular groove shape extending from one end of the base 31 to the inside of the base 31 along the disposing direction of the base 31, and the vaporizing chamber 32 is used for providing a space for sufficient vaporization of the liquid fuel; the connecting groove 33 is correspondingly arranged at one end of the base 31 opposite to the gasification cavity 32, the connecting groove 33 is in a circular groove shape and extends from one end of the base 31 to the gasification cavity 32, the outer side wall of the connecting groove 33 is in a thread shape, and the connecting groove 33 is used for connecting the base 31 with an external liquefied fuel tank in a thread manner, so that the flaming equipment 100 is connected and fixed with the liquefied fuel tank; the connecting groove 33 is provided with a rubber pad 330 at one end close to the base 31, the rubber pad 330 is disposed in the connecting groove 33 in a circular ring shape, the rubber pad 330 is disposed around the joint 40, and the rubber pad 330 is used for ensuring the air tightness of the connection between the liquefied fuel tank and the base 31.

The base 31 is provided with a matching hole 34; the two ends of the matching hole 34 are respectively and correspondingly communicated with the gasification cavity 32 and the connecting groove 33, and the matching hole 34 is used for guiding the fuel in the connecting groove 33 into the gasification cavity 32; the mating aperture 34 includes a cylindrical portion 340 and a constricted portion 345. The cylindrical part 340 is cylindrical and extends along the vertical direction, and one end of the cylindrical part 340 is correspondingly communicated with the connecting groove 33; the constriction 345 is correspondingly disposed at one end of the cylindrical portion 340 opposite to the connecting groove 33, the cross-sectional area of the constriction 345 decreases gradually from the cylindrical portion 340 toward the vaporizing chamber 32, and the constriction 345 is correspondingly communicated with the vaporizing chamber 32. In the present embodiment, the outer side of the base 31 is provided with a mounting groove 35; this mounting groove 35 is the setting of extending to the inside of base 31 from the outside curved surface of base 31 for the ring form, and this mounting groove 35 corresponds and is connected with drain pan 11, and this mounting groove 35 is used for fixing base 31 and the inside mutual joint of drain pan 11, and then plays the positioning action to the installation of base 31.

The air guide rod 36 is extended and arranged in a long strip shape, the air guide rod 36 is correspondingly covered with the gasification cavity 32, the air guide rod 36 is connected with the base 31 in a sealing way, the air guide rod 36 and the base 31 form the relatively closed gasification cavity 32, the arrangement direction of the air guide rod 36 is the same as that of the base 31, one end of the air guide rod 36 is connected with the base 31, and the other end of the air guide rod 36 extends outwards; the air guide rod 36 is provided with a through hole 37, the through hole 37 is elongated and extends in the vertical direction, the through hole 37 is correspondingly communicated with two ends of the air guide rod 36, and the through hole 37 is used for conveying the fuel gasified in the gasification cavity 32 to the control mechanism 70 for combustion. In this embodiment, the base 31 and the air guide rod 36 of the valve seat assembly 30 are made of metal materials, so as to ensure the heat conduction performance of the valve seat assembly 30. Further, the passage of the valve seat assembly 30 is formed by the connection groove 33, the fitting hole 34 and the vaporizing chamber 32.

The joint 40 is correspondingly connected with the valve seat assembly 30, the joint 40 is correspondingly communicated with the matching hole 34, the joint 40 is correspondingly installed at one end of the cylindrical portion 340 far away from the contraction portion 345, the joint 40 is correspondingly arranged in the connecting groove 33, the joint 40 is used for being connected with an external liquefied fuel tank, fuel in the liquefied fuel tank enters the conduction mechanism 20 through the joint 40, and the joint 40 is correspondingly connected with the base 31 in a sealing mode. The valve core 50 is correspondingly connected and fixed with the valve seat assembly 30, the valve core 50 is correspondingly embedded in the matching hole 34, the valve core 50 is correspondingly connected and fixed with the contraction part 345, an intermediate air passage (not shown) is arranged in the valve core, fuel passes through the valve core through the intermediate air passage, and the valve core 50 correspondingly controls whether the fuel can be introduced into the gasification cavity 32 through the matching hole 34 by controlling the on-off of the intermediate air passage; an elastic tongue 55 is arranged at one end of the valve core 50 close to the gasification cavity 32, the elastic tongue 55 is arranged in a long strip shape in an extending mode, the elastic tongue 55 is correspondingly and elastically arranged on the valve core 50, the elastic tongue 55 can correspondingly move relative to the valve core 50 along the arrangement direction of the valve core 50, one end of the elastic tongue 55 is correspondingly arranged in the gasification cavity 32, and the elastic tongue 55 is used for controlling the on-off state of a middle air passage in the valve core 50. In this embodiment, when the latch 55 moves toward the inside of the valve core 50, two ends of the valve core 50 are correspondingly communicated; when the spring tongue 55 moves to the outside of the valve core 50 under the action of its own elastic force, the two ends of the valve core 50 are blocked correspondingly. Further, in the present embodiment, the valve element 50 is a valve core.

The buffer assembly 60 is correspondingly arranged in the valve seat assembly 30, and the buffer assembly 60 is arranged in the gasification cavity 32; the cushion assembly 60 includes a pressure-limiting valve 61, and an elastic member 65 elastically disposed between the pressure-limiting valve 61 and the valve seat assembly 30. The pressure limiting valve 61 is correspondingly and slidably arranged in the gasification cavity 32, one end of the pressure limiting valve 61 close to the spring bolt 55 is correspondingly abutted against the spring bolt 55, one end of the pressure limiting valve 61 close to the air guide rod 36 is correspondingly arranged in the through hole 37, and the through hole 37 plays a role in guiding the movement of the pressure limiting valve 61. In this embodiment, the pressure-limiting valve 61 is provided with an air hole 62, the air hole 62 penetrates through two ends of the pressure-limiting valve 61 in a through hole shape, the air hole 62 is correspondingly communicated with the through hole 37, it is ensured that the fuel in the gasification cavity 32 can correspondingly enter the through hole 37 through the air hole 62, and further the fuel is supplied to the external ignition equipment through the air guide rod 36, the latch 55 correspondingly covers one end of the air hole 62, and it is ensured that the air hole 62 is correspondingly communicated with the gasification cavity 32 when the latch 55 is separated from the pressure-limiting valve 61; the pressure-limiting valve 61 is provided with a sealing ring 63, the sealing ring 63 is embedded outside the pressure-limiting valve 61 in a circular ring shape, the sealing ring 63 is abutted against the inner side wall of the gasification cavity 32 of the base 31, and the sealing ring 63 is used for ensuring that the pressure-limiting valve 61 is hermetically connected with the inner side wall of the gasification cavity 32 of the base 31. Furthermore, the pressure-limiting valve 61 is provided with a gas-gathering groove 64; this gather gas tank 64 and be the ring form and extend the setting to keeping away from 50 directions of case from the one end that pressure limiting valve 61 is close to case 50, should gather gas tank 64 and encircle this case 50 setting, should gather gas tank 64 and be used for making the high-speed fuel of high pressure pass through case 50 after, can correspond the impact in gathering gas tank 64, improve the effect of doing work of high-speed fuel to pressure limiting valve 61, and then the internal energy of consumed fuel, improve the gasification effect of fuel.

The elastic member 65 is correspondingly disposed on one side of the pressure limiting valve 61 close to the air guide rod 36, the elastic member 65 is disposed along the vertical direction, the elastic member 65 is correspondingly sleeved on the outer side of the pressure limiting valve 61, one end of the elastic member 65 is connected with the air guide rod 36, the other end of the elastic member 65 is connected with the pressure limiting valve 61, and the elastic member 65 is elastically supported between the pressure limiting valve 61 and the air guide rod 36. In this embodiment, the elastic member 65 is a spring.

The control mechanism 70 is correspondingly connected with the conduction mechanism 20, the control mechanism 70 is fixed in the bottom shell 11, the setting position of the control mechanism 70 corresponds to the setting position of the gas spraying pipe 15, and the control mechanism 70 is used for controlling the on-off state of fuel delivery into the gas spraying pipe 15; control mechanism 70 includes a control block 71 coupled to valve seat assembly 30, an air valve 72 coupled to control block 71, and an air nozzle 73 mounted on control block 71. The control block 71 is correspondingly fixed in the bottom shell 11 along the vertical direction, the control block 71 is correspondingly arranged at the top of the conduction mechanism 20, and the control block 71 is connected with the air guide rod 36; the control block 71 is provided with a gas transmission hole 75, one end of the gas transmission hole 75 is correspondingly communicated with the conducting mechanism 20, one end of the gas guide rod 36 is correspondingly inserted into the gas transmission hole 75, the through hole 37 is correspondingly communicated with the gas transmission hole 75, and the gas transmission hole 75 is used for controlling the flow direction of the fuel. In the embodiment, the control block 71 is made of a metal material, and the control block 71 is electrically connected with the gas injection pipe 15 correspondingly, so that the control block 71 has electrical conductivity and good thermal conductivity; the air guide rod 36 is provided with an insulating ring 38, the insulating ring 38 is sleeved on an outer side curved surface of one end of the air guide rod 36 inserted into the air transmission hole 75, the insulating ring 38 is clamped between the air guide rod 36 and the control block 71, and the insulating ring 38 is used for ensuring the air tightness of the connection between the air guide rod 36 and the control block 71 and ensuring the insulation connection between the air guide rod 36 and the control block 71.

The air valve 72 is correspondingly arranged at one side of the control block 71, the air valve 72 is arranged along the horizontal direction, one end of the air valve 72 is correspondingly inserted into the control block 71 and is correspondingly inserted into the air delivery hole 75, the air valve 72 is used for plugging the air delivery hole 75 so as to control the on-off state of the air delivery hole 75, the air valve 72 is correspondingly pivoted on the bottom shell 11, and the position of the air valve 72 relative to the air delivery hole 75 can be correspondingly adjusted by rotating the air valve 72 so as to ensure that the air delivery hole 75 is plugged. This air cock 73 corresponds the one end that sets up at air delivery hole 75 and keep away from air guide bar 36, this air cock 73 set up the position corresponding with the position that sets up of jet-propelled pipe 15, this air cock 73 corresponds and is connected fixedly with control block 71, a aperture (not shown) has been seted up on this air cock 73, this aperture one end and air delivery hole 75 intercommunication, the other end extends the setting to jet-propelled pipe 15 direction, guarantee through this aperture that air cock 73 will inject into jet-propelled pipe 15 through the fuel in the air delivery hole 75 in, through setting up the less aperture of cross-sectional area, the velocity of flow of very big improvement fuel, and then guarantee the mobile effect that fuel gets into jet-propelled pipe 15.

The ignition assembly 80 is correspondingly connected with the housing assembly 10, and the ignition assembly 80 is used for igniting fuel sprayed from the air injection pipe 15; the ignition module 80 includes an igniter 81 connected to the bottom case 11, and an electric wire 85 connected to the igniter 81. The igniter 81 is correspondingly arranged along the horizontal direction, the igniter 81 is provided with a positive electrode 82 and a negative electrode 83, the positive electrode 82 of the igniter 81 is electrically connected with an electric wire 85, the negative electrode 83 of the igniter 81 is abutted with the control block 71, the negative electrode 83 of the igniter 81 is correspondingly and electrically connected with the gas ejector 15 through the control block 71, and the igniter 81 is used for generating voltage between the positive electrode 82 and the negative electrode 83; the wire 85 is inserted into the gas lance 15 in an elongated shape, one end of the wire 85 is connected to the positive electrode 82 of the igniter 81, and the wire 85 is used for generating an electric spark. In this embodiment, the ignition assembly 80 further includes an electrically conductive spring 86; one end of the conductive spring 86 is electrically connected with the control block 71, the other end of the conductive spring 86 is electrically connected with the gas ejector 15, the conductive spring 86 is used for electrically connecting the control block 71 with the gas ejector 15, the conductive spring 86 is arranged around the outer side of the gas nozzle 73, the conductive spring 86 is used for guaranteeing the assembly adaptability, and meanwhile, the conductive spring 86 is elastically supported between the control block 71 and the gas ejector 15, so that the reliability of the electrical connection between the control block 71 and the gas ejector 15 is guaranteed.

The operating principle of the flaming device 100 in this embodiment is as follows: the connecting groove 33 of the valve seat is connected with an external liquefied fuel tank, and the fuel in the liquefied fuel tank is led into the matching hole 34 through the joint 40; the fuel enters the gasification cavity 32 through the valve core 50, pushes the pressure limiting valve 61 to move and elastically compresses the elastic element 65; when the latch 55 is not covered with the air hole 62 of the pressure limiting valve 61, the fuel enters the air guide rod 36 through the air hole 62 and further enters the air delivery hole 75 of the control block 71 through the through hole 37 of the air guide rod 36; when the air valve 72 is opened, fuel enters the gas injection pipe 15 through the gas transmission hole 75 to form injection, and simultaneously, the igniter 81 is controlled to generate voltage between the anode 82 and the cathode 83 of the igniter 81, so that the electric wire 85 is inserted between one end of the gas injection pipe 15 and the gas injection pipe 15 to generate voltage, and then the tip discharge generates an ignition method to ignite the fuel passing through the gas guide rod 36 to form flame injection. Because the volume of the fuel is increased when the fuel enters the air guide rod 36 and the control block 71, the liquid fuel in the fuel gas flow is quickly gasified, the temperature of the control block 71 is quickly reduced, and because the air guide rod 36 is inserted in the control block 71 and the base 31 is connected with the air guide rod 36, the heat is transmitted to the control block 71 through the base 31 and the air guide rod 36 from the outside, the temperature of the control block 71 is greatly increased, and the problems that the fuel gasification effect is reduced due to temperature reduction and the fuel cannot be ignited or flameout are solved; in addition, since the base 31 is connected to an external liquefied fuel tank, the heat transfer area can be further increased by the tank body of the liquefied fuel tank, and the vaporization effect of the fuel in the flame projecting device 100 can be further improved.

Above-mentioned flame projecting equipment 100, through case 50 and the buffer unit 60 that sets up conduction mechanism 20, the control fuel is interrupted lets in control mechanism 70, simultaneously through setting up valve seat subassembly 30 and control piece 71, very big improvement the heat transfer efficiency between control mechanism 70 and the conduction mechanism 20, and then guarantee that external heat can carry to control mechanism 70 through conduction mechanism 20 fast, and then guaranteed the gasification efficiency of fuel, prevent to appear because the unable problem of lighting or flame-out of long-time work.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A flaming device, comprising:

2. The apparatus of claim 1, wherein the valve seat assembly includes a base and a gas-conducting stem sealingly connected to the base; one end of the air guide rod is correspondingly inserted into the air transmission hole.

3. The flaming device according to claim 2, characterized in that an insulating ring is provided on the gas guide rod; the insulating ring is sleeved at one end of the air guide rod inserted into the air delivery hole, and the insulating ring is clamped between the air guide rod and the control block.

4. The flaming device according to claim 3, characterised in that the control block is electrically connected to the gas lance; the igniter is provided with a positive electrode and a negative electrode, the positive electrode of the igniter is electrically connected with the electric wire, and the negative electrode of the igniter is abutted to the control block.

5. The blasting apparatus of claim 4, wherein the ignition assembly further comprises an electrically conductive spring; one end of the conductive spring is electrically connected with the control block, the other end of the conductive spring is electrically connected with the gas ejector pipe, and the conductive spring is arranged on the outer side of the gas nozzle in a surrounding mode.

6. The flame apparatus of claim 1, wherein the spool is provided with a spring tongue; the valve core is internally provided with a middle air passage, the middle air passage is correspondingly communicated with a passage of the valve seat assembly, the buffering assembly is abutted to the elastic tongue, and the elastic tongue is used for controlling the on-off state of the middle air passage.

7. The flaming device according to claim 6, wherein the damping assembly includes a pressure limiting valve, and an elastic member elastically disposed between the pressure limiting valve and a valve seat assembly; the pressure limiting valve is arranged in the valve seat assembly in a sliding mode and is abutted to the elastic tongue of the valve core; the pressure limiting valve is provided with an air hole which penetrates through two ends of the pressure limiting valve, and the elastic tongue is correspondingly covered at one end of the air hole.

8. The flaming device according to claim 7, characterized in that a gas collecting groove is provided on the pressure limiting valve; the gas collecting groove is arranged in a circular ring shape and extends from one end, close to the valve core, of the pressure limiting valve to the direction far away from the valve core.

9. The flaming device according to claim 1, wherein the air valve is arranged on one side of the control block, and one end of the air valve is correspondingly inserted into the control block and is correspondingly inserted into the air conveying hole.

10. The blasting apparatus of claim 1, wherein the lance, the seat assembly and the control block are made of a metallic material and the base shell is made of an insulating material.