CN217843857U - Safety flame gun - Google Patents

Abstract

The utility model discloses a safety type flame gun, which comprises a main shell, wherein the bottom side of the main shell is connected with a gas storage tank, the upper side of the main shell is connected with a flame nozzle component, a gas outlet at the upper end of the gas storage tank in the main shell is provided with a gas outlet valve, the gas outlet valve is provided with a gas outlet regulating switch, and a poke rod of the gas outlet regulating switch extends out of the side wall of the main shell; an ignition key is arranged on the front side of the main shell, a return spring is arranged on the back of the ignition key, a claw part with an inclined plane and used for jacking the air outlet valve to deflate is arranged at the rear end of the ignition key, and a safety limit switch is arranged on one side of the ignition key and comprises a rotating shaft part, a clamping head part and a deflector rod part; the ignition key is provided with an opening state positioning bayonet and a closing state positioning bayonet, and the head part of the safety limit switch is clamped into the opening state positioning bayonet or the closing state positioning bayonet under the action of the torsion spring. The utility model discloses not only have the function of preventing the false triggering, still have fixed flame function, a key double-purpose, but one-hand operation, it is convenient to use.

Description

Safety flame gun

Technical Field

The utility model relates to a flaming device especially relates to a safe type flame gun.

Background

The safety switch commonly used by the flame guns in the market is basically started/closed in a left-right or up-down (transverse/longitudinal) pushing mode, so that the operation by one hand is inconvenient; and the common safety switch in the market has single function, only has the function of preventing the key from being triggered by mistake and does not have the function of fixing flame. Therefore, the development of a safety type flame gun is a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safe flame gun to solve the above insufficiency.

The above object of the present invention is achieved by the following technical solutions: a safety type flame gun comprises a main shell, wherein the bottom side of the main shell is connected with a gas storage tank, the upper side of the main shell is connected with a flame spraying head assembly, a gas outlet at the upper end of the gas storage tank in the main shell is provided with a gas outlet valve, the gas outlet valve is provided with a gas outlet adjusting switch, and a poke rod of the gas outlet adjusting switch extends out of the side wall of the main shell; the safety limiting switch comprises a rotating shaft part, a clamping head part and a driving lever part, wherein the clamping head part and the driving lever part are respectively connected to the inner end and the outer end of the rotating shaft part, and the safety limiting switch is installed on the side wall of the main shell through a torsion spring; the ignition key is provided with an opening state positioning bayonet and a closing state positioning bayonet, and the head of the safety limit switch is clamped into the opening state positioning bayonet or the closing state positioning bayonet under the action of the torsion spring.

Furthermore, protruding shafts are arranged on two sides of the rear part of the flame spraying head assembly, a flame spraying head mounting opening is arranged at the front end of the upper side of the main shell, and shaft grooves matched with the protruding shafts on two sides of the flame spraying head assembly are formed in two side walls in the flame spraying head mounting opening; the rear end of the fire-spraying head component is designed to be an arc-shaped convex surface, positioning teeth are arranged on the arc-shaped convex surface, and a plurality of positioning clamping groove groups are arranged on the inner wall of the fire-spraying head mounting hole corresponding to the arc-shaped convex surface. When the fire spraying head assembly rotates by taking the convex shaft as the circle center, the angle of the fire spraying head assembly can be positioned by matching the positioning teeth with the positioning clamping groove groups.

Furthermore, nine screens are arranged in the positioning clamping groove group, so that the fire spraying head assembly has nine adjusting angles.

Furthermore, the main shell is provided with a hanging hole, so that the hanging is convenient.

Further, a base is arranged at the bottom of the gas storage tank.

Compared with the prior art, the utility model the advantage be:

1. the utility model discloses not only have the function of preventing the spurious triggering, still have fixed flame function, the back is pressed to the ignition button, can lock it, lets the ignition button can't reset, need stir once more safety limit switch, and the ignition button could reset. One-key dual-purpose, convenient to use.

2. The utility model discloses a small and exquisite, the compactness of overall structure has solved because of the little unable problem of installing safety switch in casing inner space.

3. The operation mode is different from the traditional pushing type or drawing type, and when the safety switch is used, the ignition key and the safety limit switch can be operated by different fingers with one hand, so that the problem that the safety switch which is operated by two hands is inconvenient to use is solved.

Drawings

Fig. 1 is a schematic view of a side structure of the present invention.

Fig. 2 is a schematic view of the structure of the other side of the present invention.

Fig. 3 is a schematic diagram of a semi-exploded structure of the present invention.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is an assembly schematic view of the middle burner assembly and the main casing body of the present invention.

Fig. 6 is a rear end structure schematic view of the middle flame-throwing head assembly of the present invention.

Fig. 7 is an assembly structure schematic diagram of the ignition key and the safety limit switch of the present invention.

Fig. 8 is a schematic view of a side structure of the middle safety limit switch of the present invention.

Fig. 9 is another schematic structural diagram of the middle safety limit switch of the present invention.

Fig. 10 is a schematic view of the assembly structure of the components at the top of the gas storage tank of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a safety type flame gun comprises a main shell 1, wherein a hanging hole 2 is formed in the main shell 1, so that the safety type flame gun is convenient to hang; the bottom side of the main shell 1 is connected with a gas storage tank 3, the bottom of the gas storage tank 3 is provided with a base 4 which is convenient to place, the upper side of the main shell 1 is connected with a flaming head assembly 5, an air outlet at the upper end of the gas storage tank 3 in the main shell 1 is provided with an air outlet valve (not shown in the figure), the air outlet valve is provided with an air outlet adjusting switch 6, and a poke rod of the air outlet adjusting switch 6 extends out of the side wall of the main shell 1; an ignition key 7 is arranged on the front side of the main shell 1, a reset spring (not shown in the figure) is arranged on the back of the ignition key 7, a claw part 703 with an inclined plane 704 for jacking an air outlet valve to deflate is arranged at the rear end of the ignition key 7, a safety limit switch 8 is arranged on one side of the ignition key 7, the safety limit switch 8 comprises a rotating shaft part 801, a clamping head part 802 and a deflector rod part 803, the clamping head part 802 and the deflector rod part 803 are respectively connected to the inner end and the outer end of the rotating shaft part 801, and the safety limit switch 8 is installed on the side wall of the main shell 1 through a torsion spring 804; the ignition key 7 is provided with an open-state positioning bayonet 701 and a closed-state positioning bayonet 702, and the clamping head part 802 of the safety limit switch 8 is clamped into the open-state positioning bayonet 701 or the closed-state positioning bayonet 702 under the action of the torsion spring 804.

As shown in fig. 5 to 9, protruding shafts 501 are provided on both sides of the rear portion of the flame spray head assembly 5, a flame spray head mounting opening 101 is provided at the front end of the upper side of the main housing 1, and shaft grooves matched with the protruding shafts 501 on both sides of the flame spray head assembly 5 are provided on both inner side walls of the flame spray head mounting opening 101; the rear end of the fire-jet head component 5 is set to be an arc-shaped convex surface 502, the arc-shaped convex surface 502 is provided with positioning teeth 503, the inner wall of the fire-jet head mounting opening 101 corresponding to the arc-shaped convex surface 502 is provided with a plurality of positioning clamping groove groups 102, and in this embodiment, the positioning clamping groove groups 102 are provided with nine clamping positions, so that the fire-jet head component 5 has nine-gear adjusting angles. When the fire nozzle assembly 5 rotates around the convex shaft 501, the angle of the fire nozzle assembly 5 can be positioned by the cooperation of the positioning teeth 503 and the positioning slot set 102.

The utility model discloses an operation flow:

1. and (5) inverting the product, and filling gas from a gas filling nozzle at the bottom of the product, wherein the gas is slightly returned.

2. The gas storage tank is held by the left hand, and the flame projecting head is adjusted to a proper working angle by the right hand.

3. The poke rod of the gas adjusting switch 6 is adjusted to the minimum state, then the thumb of the right hand pokes the safety switch downwards to the unlocking state (not to be loosened), the index finger of the right hand presses the ignition key 7 (single-hand operation is realized), the piezoelectric igniter 11 is arranged on the rear side of the ignition key 7, and as shown in fig. 10, when the ignition key 7 is pressed, the ignition key 7 pushes the piezoelectric igniter 11, so that the piezoelectric igniter ignites the catalyst.

4. The safety limit switch 8 and the ignition key 7 are sequentially loosened, the safety limit switch 8 rebounds to a locking state under the action of the torsion spring 804, namely, the clamping head part 802 of the safety limit switch 8 is clamped on the opening state positioning bayonet 701 on the ignition key 7, so that the ignition key is kept in a pressing state, and the poke rod of the air outlet adjusting switch 6 can adjust the fire power.

5. The poking rod part 803 of the safety limit switch 8 is poked to an unlocking state, so that the ignition key 7 is separated from the clamping head part 802 of the safety limit switch 8 and resets under the action of the reset spring 10, then the poking rod part 803 is loosened, the safety limit switch 8 resets, and the operation of closing flame is completed.

In addition, the utility model discloses a flame gun does not surely need to touch the flame projecting head with the hand when burning to avoid scalding.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims (5)

1. A safety type flame gun comprises a main shell, wherein the bottom side of the main shell is connected with a gas storage tank, the upper side of the main shell is connected with a flame spraying head assembly, a gas outlet at the upper end of the gas storage tank in the main shell is provided with a gas outlet valve, the gas outlet valve is provided with a gas outlet adjusting switch, and a poke rod of the gas outlet adjusting switch extends out of the side wall of the main shell; the method is characterized in that: the safety limiting switch comprises a rotating shaft part, a clamping head part and a driving lever part, wherein the clamping head part and the driving lever part are respectively connected to the inner end and the outer end of the rotating shaft part, and the safety limiting switch is arranged on the side wall of the main shell through a torsion spring; the ignition key is provided with an opening state positioning bayonet and a closing state positioning bayonet, and the clamping head part of the safety limit switch is clamped into the opening state positioning bayonet or the closing state positioning bayonet under the action of the torsion spring.

2. A safety-type flame gun as claimed in claim 1, wherein: the two sides of the rear part of the flame-throwing head assembly are provided with protruding shafts, the front end of the upper side of the main shell is provided with a flame-throwing head mounting opening, and two side walls in the flame-throwing head mounting opening are provided with shaft grooves matched with the protruding shafts on the two sides of the flame-throwing head assembly; the rear end of the fire-spraying head component is designed to be an arc-shaped convex surface, positioning teeth are arranged on the arc-shaped convex surface, and a plurality of positioning clamping groove groups are arranged on the inner wall of the fire-spraying head mounting hole corresponding to the arc-shaped convex surface.

3. A safety type flame gun as claimed in claim 2, wherein: nine screens are arranged in the positioning card slot group.

4. A safety-type flame gun as claimed in claim 1, wherein: the main shell is provided with a hanging hole.

5. A safety-type flame gun as claimed in claim 1, wherein: the gas storage tank bottom is equipped with a base.

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