CN216143722U

CN216143722U - Handheld flame gun

Info

Publication number: CN216143722U
Application number: CN202122200085.6U
Authority: CN
Inventors: 金江波; 史海波; 罗永胜; 何宋斌; 朱建民
Original assignee: Ningbo Anyang Tools Co ltd
Current assignee: Ningbo Anyang Tools Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-03-29
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses a handheld flame gun, wherein a gun body is fixedly arranged in a shell, the gun body is hermetically clamped with an air storage tank, an air passage, an adjusting valve and an ignition device are arranged in the gun body, an adjusting assembly is also arranged in the shell, the adjusting assembly comprises an adjusting rod and an adjusting gear, the adjusting rod is movably arranged at a gun rod of the gun body and moves along the length direction of the gun rod, the outer side wall of the adjusting rod is in sealing fit with the inner wall of the air passage, a through air guide hole is formed in the axis of the adjusting rod, the rear end of the adjusting rod is in sealing fit with the adjusting valve, a first rack is fixedly arranged on the adjusting rod, the first rack is meshed with the adjusting gear, the adjusting gear is rotatably arranged in the shell, a spanner is also movably arranged on the shell, and a second rack meshed with the adjusting gear is fixedly arranged on the spanner; the advantage lies in can steadily and reliably adjust flame size through the adjusting part who sets up, and the cooperation of first rack, adjusting gear and second rack can realize that the one hand regulates and control flame size.

Description

Handheld flame gun

Technical Field

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

Background

The flame gun is an ignition heating tool derived from the existing butane gas tank. The existing flame gun is mainly composed of a gun body, a shell, an ignition device and a valve body, namely the gun body is arranged in the shell, the speed of combustible gas in a butane gas tank sprayed out of a flame port of the gun body is adjusted through the valve body, and the combustible gas is ignited through the ignition device, so that an article to be heated is heated. The flame gun is convenient to use and high in stable temperature of the sprayed flame, so that the flame gun is widely applied to the fields of picnics, outdoor barbecue, daily cooking, automobile maintenance, jewelry fusion welding and the like. Current flame gun mostly carries out flame regulation through single governing valve, and need the user to adjust through the bimanualness when adjusting through the mode, one hand grips the flame gun promptly, the rotatory governing valve of another hand carries out flame regulation and control, this mode can satisfy ordinary use scene, nevertheless when user's another hand is inconvenient to be used, perhaps when welding space is less can only hold a straight hand, ordinary flame gun just can't satisfy needs on the market, consequently need one kind only can carry out the handheld flame gun of flame regulation and control through the one hand.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the hand-held flame gun has a simple structure, is convenient to operate, and can freely adjust the flame spraying degree.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a handheld flame gun comprises a shell, a gas storage tank, a gun body and an ignition device used for igniting combustible gas, wherein the gun body is fixedly arranged in the shell, the gun body is provided with a base, the gas storage tank is clamped with the gun body through the base, a gas passage communicated with the gas storage tank is arranged in the gun body, the gun body is also provided with a regulating valve used for regulating the conduction of the gas passage, the ignition device is arranged in the shell, a regulating assembly is also arranged in the shell and comprises a regulating rod and a regulating gear, the regulating rod is movably arranged at a gun rod of the gun body, the regulating rod moves along the length direction of the gun rod, the outer side wall of the regulating rod is in sealing fit with the inner wall of the gas passage, a through gas guide hole is arranged at the axis of the regulating rod, and the rear end of the regulating rod is in sealing fit with the regulating valve, the adjusting rod is fixedly provided with a first rack, the first rack is meshed with the adjusting gear, the adjusting gear is rotatably arranged in the shell, the shell is also movably provided with a wrench, and the wrench is fixedly provided with a second rack meshed with the adjusting gear.

Furthermore, the rifle pole of the rifle body includes first rifle section of hollow and second rifle section, first rifle section fixed with the second rifle section through the connecting plate of integrative setting, the both ends of adjusting the pole stretch into the hollow of corresponding first rifle section, second rifle section respectively.

Furthermore, a fixing plate is fixedly arranged in the middle of the adjusting rod, the first rack is fixedly arranged at the lower end part of the fixing plate, and one end of the fixing plate is close to the connecting plate; the advantage is that the valley bottom plate is close to the connecting plate, so that the stability of the fixing plate can be improved, the rotation is avoided, and the reliability of the utility model is further improved.

Furthermore, a retaining rod is fixedly arranged between the lower end part of the first gun section and the lower end part of the second gun section, and penetrates through the fixing plate; the advantage is that the arrangement of the retaining rod can further keep the moving stability of the fixing plate and prevent the rotation deviation of the fixing plate, and the reliability of the handheld flame gun is improved.

Furthermore, both ends of the holding rod are provided with limit blocks, and the first rack is close to the holding rod; the advantage is in can effectively preventing first rack and adjusting gear separation slippage through the stopper that both ends set up.

Furthermore, the wrench is fixedly provided with a guide rod, the gun body is fixedly provided with a guide seat, the guide seat is provided with a guide hole penetrating through the guide seat, the guide rod movably penetrates out of the guide hole, one end of the guide rod, far away from the wrench, is in threaded connection with an anti-falling part, the outer side of the guide rod is sleeved with a compression spring, and two ends of the compression spring are respectively abutted against the wrench and the guide seat; the advantage lies in that the cooperation through guide bar, guide holder and pressure spring can realize the steady pressing of spanner, can automatic re-setting under the unblock state simultaneously, improves and controls the nature.

Further, the lower tip of spanner be provided with and lock groove and reset spring, the casing activity be provided with lock groove matched with locking piece, the locking piece be provided with first spacing post, the casing be provided with the spacing post of second, reset spring's both ends establish respectively in the outside of first spacing post, the spacing post of second.

Furthermore, the front end of the regulating valve is in a cone shape, and the front end of the regulating valve extends into the air guide hole and is tightly attached to the inner wall of the air guide hole in a sealing manner; the advantage lies in that the governing valve of vertebra type stretches into in the air duct more easily and realizes sealed and flow regulation and control.

Compared with the prior art, the flame adjusting device has the advantages that the flame size can be adjusted more stably and reliably through the adjusting assembly, meanwhile, the flame size can be adjusted and controlled by pressing the wrench with one hand through the matching of the first rack, the adjusting gear and the second rack, the traditional single adjusting mode that flame control is carried out only through the adjusting valve and the operation is troublesome is avoided, both hands are required to control, namely one hand holds the other hand to control the adjusting valve to adjust, and the adjusting mode cannot control flame when an article is not conveniently held by the hand. Compared with a traditional flame regulation and control mode, the design has stronger flexibility and reliability, and the application range and the application scene are improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the gun body of the present invention in an installed position;

FIG. 3 is a schematic cross-sectional view of the gun body of the present invention taken along the axis of the gun shaft;

fig. 4 is a schematic structural view of the housing of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the figures 1 to 4 in specific embodiments.

A hand-held flame gun comprises a shell 1, a gas storage tank 2, a gun body and an ignition device 4 for igniting combustible gas, wherein the shell 1 comprises a left shell 1.11 and a right shell 1, and the internal structure of the left shell 1.11 is shown in figure 4; the gun body comprises a gun rod 5.1 and a gun body 5.2, wherein the gun rod 5.1 comprises a hollow first gun section 5.11 and a hollow second gun section 5.12, the first gun section 5.11 is fixed with the second gun section 5.12 through an integrally arranged connecting plate 5.13, and a retaining rod 6.6 is further fixedly arranged between the lower end part of the first gun section 5.11 and the lower end part of the second gun section 5.12. The cavity, namely the gun rod 5.1 and the gun body 5.2 are both fixedly arranged in the shell 1, the bottom of the gun body 5.2 is provided with a base, the gas storage tank 2 is clamped with the gun body 5.2 through the base, the gun body 5.2 is internally provided with a gas passage 5.21 communicated with the gas storage tank 2, the gas passage 5.21 is communicated with the hollow part of the second gun section 5.12, and the gun body 5.2 is provided with an adjusting valve 3 for adjusting the conduction of the gas passage 5.21. The ignition device 4 comprises a button 4.1 and a piezoelectric igniter 4.2, the piezoelectric igniter 4.2 is fixed in the shell 1, and the button 4.1 is movably matched with the shell 1 for pressing the piezoelectric igniter 4.2.

According to the utility model, an adjusting assembly 6 is further arranged between the first gun section 5.11 and the second gun section 5.12, the adjusting assembly 6 comprises an adjusting gear 6.2 and an adjusting rod 6.1, the adjusting rod 6.1 is movably arranged in the gun rod 5.1, the adjusting rod 6.1 moves along the length direction of the gun rod 5.1, the outer side wall of the adjusting rod 6.1 is in sealing fit with the inner wall of the air passage 5.21, namely, two ends of the adjusting rod 6.1 respectively extend into the hollow parts of the corresponding first gun section 5.11 and the second gun section 5.12. Wherein the axis of the adjusting rod 6.1 is provided with a through air guide hole 6.3, the front end of the adjusting valve 3 is cone-shaped, and the front end of the adjusting valve 3 extends into the air guide hole 6.3 and is tightly attached to the inner wall of the air guide hole 6.3 in a sealing way. The fixed plate 6.5 that is provided with in the middle part of above-mentioned regulation pole 6.1, the lower tip of fixed plate 6.5 is fixed and is provided with first rack 6.4, and the one end of fixed plate 6.5 is pressed close to with connecting plate 5.13 mutually simultaneously for guarantee fixed plate 6.5's stability prevents to rotate. The shell 1 is provided with a rotating hole 1.3 for installing a rotating shaft, the adjusting gear 6.2 is rotatably arranged in the shell 1 through the rotating shaft, and the first rack 6.4 is meshed with the adjusting gear 6.2. The shell 1 is also movably provided with a spanner 6.8, the upper end part of the spanner 6.8 is fixedly provided with a second rack 6.9 meshed with the adjusting gear 6.2, the shell 1 is provided with a sliding groove 1.2, and the second rack 6.9 is arranged in the sliding groove 1.2 in a sliding manner. At the same time, the holding rod 6.6 arranged between the first lance portion 5.11 and the second lance portion 5.12 penetrates the fastening plate 6.5, so that the stability of the fastening plate 6.5 is further increased. And both ends of the holding rod 6.6 are provided with the limiting blocks 6.7, the first rack 6.4 is close to the holding rod 6.6, and the moving stroke of the first rack 6.4 can be effectively limited through the arrangement of the limiting blocks 6.7, so that the first rack 6.4 is prevented from sliding off the adjusting gear 6.2, and the reliability of the utility model is improved.

The fixed guide bar 7 that is provided with of above-mentioned spanner 6.8, the body of a gun 5.2 is fixed and is provided with guide holder 8, and guide holder 8 is provided with the guiding hole 9 that runs through guide holder 8, and guiding hole 9 is worn out in the activity of guide bar 7, and the one end spiro union that spanner 6.8 was kept away from to guide bar 7 has anticreep spare 10, and 7 outside covers of guide bar are equipped with pressure spring 11, and pressure spring 11's both ends offset with spanner 6.8, guide holder 8 respectively.

Be provided with locking groove 12 and reset spring 14 at spanner 6.8's lower tip, casing 1 activity is provided with and locks groove 12 matched with locking piece 13, and the front side of locking piece 13 upper end is provided with the inclined plane, and spanner 6.8 of being convenient for presses, and locking piece 13 is provided with first spacing post 15, and casing 1 is provided with the spacing post 16 of second, and the both ends of reset spring 14 are established respectively in the outside of first spacing post 15, the spacing post 16 of second.

The working process of the utility model is as follows: when the gas storage device is used, the front end of the adjusting valve 3 and the rear end of the adjusting rod 6.1 are in a non-sealing state by rotating the adjusting valve 3, the gas guide hole 6.3 is communicated under the pressure action of combustible gas in the gas storage tank 2, the combustible gas is ejected outwards along the air passage 5.21, the hollow part of the second gun section 5.12, the gas guide hole 6.3 and the hollow part of the first gun section 5.11, and the piezoelectric igniter 4.2 is ignited by pressing the button 4.1 to ignite the combustible gas so as to eject flame. When the intensity of flame needs to be further adjusted, the wrench 6.8 is pressed backwards, the compression spring 11 is compressed, the second rack 6.9 is rotated by the band-pass adjusting gear 6.2, and then the first rack 6.4 is driven forwards synchronously, because the first rack 6.4, the fixing plate 6.5 and the adjusting rod 6.1 are fixedly matched, the adjusting rod 6.1 is enabled to move forwards along the axial direction, so that the gap between the air guide hole 6.3 and the adjusting valve 3 is further enlarged, the ejection quantity of combustible gas is increased, the limiting block 6.7 arranged in the process can effectively prevent the first rack 6.4 from slipping off the adjusting gear 6.2, and meanwhile, the matching of the mounting seat and the wrench 6.8 can also play a role in preventing the adjusting gear 6.2 from slipping off the second rack 6.9.

In the process of pressing the wrench 6.8, the locking piece 13 is always in a state of being abutted against the wrench 6.8 under the action of the return spring 14, meanwhile, the front end of the locking piece 13 is provided with the inclined surface, the wrench 6.8 can conveniently slide backwards, and after the upper end of the locking piece 13 enters the locking groove 12, the wrench 6.8 can be prevented from moving forwards due to the interference of the locking piece 13, so that the locking of flame is realized, and the spraying intensity of the flame is kept. After the locking piece 13 is moved downwards, the wrench 6.8 can move forward under the action of the compression spring 11, so that the adjusting rod 6.1 is driven to move backwards, the gap between the air guide hole 6.3 and the front end of the adjusting valve 3 is reduced, the spraying rate of combustible gas is reduced, and the flame intensity is reduced. When the flame needs to be closed, the adjusting valve 3 is rotated, so that the front end of the adjusting valve 3 is in sealing fit with the adjusting rod 6.1, the gas guide hole 6.3 is closed, and the combustible gas is prevented from being sprayed out.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A hand-held flame gun comprises a shell, a gas storage tank, a gun body and an ignition device for igniting combustible gas, wherein the gun body is fixedly arranged in the shell, the gun body is provided with a base, the gas storage tank is clamped with the gun body through the base, a gas passage communicated with the gas storage tank is arranged in the gun body, the gun body is also provided with a regulating valve for regulating the conduction of the gas passage, the ignition device is arranged in the shell, the hand-held flame gun is characterized in that the shell is also internally provided with a regulating assembly, the regulating assembly comprises a regulating rod and a regulating gear, the regulating rod is movably arranged at a gun rod of the gun body and moves along the length direction of the gun rod, the outer side wall of the regulating rod is in sealing fit with the inner wall of the gas passage, a through gas guide hole is arranged at the axis of the regulating rod, and the rear end of the regulating rod is in sealing fit with the regulating valve, the adjusting rod is fixedly provided with a first rack, the first rack is meshed with the adjusting gear, the adjusting gear is rotatably arranged in the shell, the shell is also movably provided with a wrench, and the wrench is fixedly provided with a second rack meshed with the adjusting gear.

2. The handheld flame gun of claim 1, wherein the gun shaft of the gun body comprises a first hollow gun section and a second hollow gun section, the first gun section is fixed with the second gun section through an integrally arranged connecting plate, and two ends of the adjusting rod respectively extend into the hollow parts of the first gun section and the second gun section.

3. The hand-held flaming gun as claimed in claim 2, wherein a fixing plate is fixedly arranged in the middle of the adjusting rod, the first rack is fixedly arranged at the lower end of the fixing plate, and one end of the fixing plate is close to the connecting plate.

4. The hand-held flaming gun of claim 3, wherein a retaining rod is fixedly arranged between the lower end of the first gun segment and the lower end of the second gun segment, and the retaining rod penetrates through the fixing plate.

5. A hand-held flaming gun as claimed in claim 4, wherein the retaining bar is provided with a stopper at each end, and the first rack is located adjacent to the retaining bar.

6. The handheld flame gun as claimed in claim 1, wherein the wrench is fixedly provided with a guide rod, the gun body is fixedly provided with a guide seat, the guide seat is provided with a guide hole penetrating through the guide seat, the guide rod movably penetrates out of the guide hole, one end of the guide rod, far away from the wrench, is screwed with an anti-drop piece, the outer side of the guide rod is sleeved with a compression spring, and two ends of the compression spring respectively abut against the wrench and the guide seat.

7. The hand-held flaming gun as claimed in claim 6, wherein the lower end of the wrench is provided with a locking groove and a return spring, the housing is movably provided with a locking piece matched with the locking groove, the locking piece is provided with a first limiting column, the housing is provided with a second limiting column, and two ends of the return spring are respectively sleeved on the outer sides of the first limiting column and the second limiting column.

8. The hand-held flaming gun as claimed in claim 1, wherein the front end of the regulating valve is cone-shaped, and the front end of the regulating valve extends into the air guide hole and is tightly attached to the inner wall of the air guide hole in a sealing manner.