JPH0571634U - Portable gas stove - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a gas stove that is highly portable and that can obtain sufficient heating power in any use condition. [Structure] The mixing pipe (5) extends downward from the bottom wall of the burner head (4), and a nozzle holder is attached to the lower end of the mixing pipe (5).
The burner unit (1) is constructed by screwing (6) together. A valve unit (2) for directly connecting a gas cartridge (11) storing liquefied gas in an inverted posture and a nozzle holder (6) of a burner unit (1) are connected for communication. The burner unit (1) is formed to be supported by at least three leg members (3), one of the leg members (3) is fixed to the nozzle holder (6), and the remaining leg members (3) are fixed. ) For different leg support holders (1
Fix to 4). Each leg support holder (14) is arranged between the mixing pipe (5) and the nozzle holder (6) of the burner unit (1) so that they can be tightened together, and the leg member (3) fixed to the nozzle holder (6) is fixed. A fuel passage (13) is formed inside.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a portable gas stove used in so-called outdoor activities such as mountain climbing, hiking and camping.

[0002]

[Prior art]

 Conventionally, portable gas stoves used outdoors are often of a type in which a burner unit is directly connected to a gas cartridge that stores liquefied gas because of its portability and ease of handling. In this type of portable gas stove, the fuel gas is taken out from the gas cartridge in a gaseous state and burned, but as the gas content is consumed, the liquid gas is vaporized in the cartridge and the consumed amount is replenished. Become.

[0003]

[Problems to be solved by the device]

 However, in this type of gas cartridge, when the liquid gas vaporizes, the heat of vaporization is taken away, which lowers the temperature inside the gas cartridge and lowers the saturated vapor pressure inside the cartridge. There was a problem that the faster the vaporization rate was, the more the vaporization rate could not catch up and the fire power decreased. This phenomenon is remarkable when used in winter or at high altitudes.

The present invention has been made paying attention to such a point, and provides a gas stove which is excellent in portability and which can obtain sufficient heating power in any usage condition. With the goal.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention has a structure in which a mixing pipe is extended downward from a bottom wall of a burner head, and a nozzle holder is screwed to a lower end portion of the mixing pipe to form a burner unit. The valve unit that directly connects the gas cartridge storing the gas in an inverted position and the nozzle holder of the burner unit are connected so that they can communicate, and the burner unit is formed so as to be supported by at least three leg members. While fixing one to the nozzle holder and the remaining leg members to different leg support holders, each leg support holder is arranged so that it can be tightened together between the mixing pipe and the nozzle holder of the burner unit. The feature is that the fuel passage is formed inside the leg member fixed to the.

[0006]

[Action]

 According to the present invention, the leg support holder is arranged so that it can be tightened together between the mixing pipe that extends downward from the bottom wall of the burner head and the nozzle holder that is screwed to the lower end of the mixing pipe, By fixing one of the three leg members to the nozzle holder and the remaining leg members individually to the leg support holder, loosening the screwed state of the burner unit and the mixing pipe The leg support holder can be rotationally displaced, and the relative posture between the leg member fixed to the nozzle holder and another leg member can be changed. Further, by firmly tightening the nozzle holder and the mixing pipe, each leg support holder is fixed together and fixed in a state where the relative posture is maintained. As a result, the legs can be gathered together when carrying the device to make it compact, while the burner unit can be stably supported during use.

Further, a fuel passage is formed inside a leg member fixed to the nozzle holder, and a valve unit for directly connecting the liquefied gas cartridge in an inverted state is connected via the leg member having the fuel passage. Since the fuel taken out in liquid form is vaporized by the thermal energy supplied through the leg members while passing through the fuel passage, sufficient vaporization energy can be secured and the consumption speed is fast. Can maintain high output.

[0008]

【Example】

 The drawings show an embodiment of the present invention. FIG. 1 is a partially cut-away front view of a use state, and FIG. 2 is an exploded perspective view. In this portable gas stove, the burner unit (1) and the valve unit (2) are separately arranged, and the burner unit (1) is supported by three leg members (3).

The burner unit (1) includes a burner head (4) formed in an umbrella shape, a mixing pipe (5) drawn downward from a bottom wall of the burner head (4), and a lower end portion of the mixing pipe (5). It is configured with a nozzle holder (6) that is screwed onto the. The holder (8) for the ignition electrode (7) is arranged in contact with the bottom wall of the burner head (4).

The valve unit (2) has a gas cartridge connection port (9) formed on the upper surface and a valve opening / closing operation knob (10) arranged on one side, and the gas cartridge (11) has a valve unit (2). It is designed to be connected to the gas cartridge connection port (9) in the inverted state. Further, the operation unit (12) of the ignition device is fixed to the valve unit (2).

The leg member (3) is composed of a bent tube body (3a) and two rods (3b) (3c), and the leg member (3a) formed of the tube body is a nozzle. It is fixed to the holder (6), the inside of this tube leg member (3a) is formed in the fuel gas passage (13), and this tube leg member (3a) supports the electrode holder (8). There is. The leg members (3b) formed of rods are fixed to ring-shaped leg support holders (14), respectively. The leg support holder (14) is arranged between the mixing pipe (5) and the nozzle holder (6) of the burner unit (1) so as to be relatively rotatable, and the mixing pipe (5) and the nozzle holder (6) are connected to each other. When is firmly tightened, both members are clamped and fixed.

Further, each leg member (3) is once raised to a position higher than the upper end surface of the burner unit (1) and then bent horizontally to form a horizontal portion (15). It is formed by obliquely folding back downward from the outer end and horizontally bending the lower end of the folded back portion outward. Then, the horizontal portion of the lower end is formed in the ground contact portion, and the horizontal portion of the upper end is formed in Gotoku.

The hose (16) led out from the valve unit (2) is connected to the pipe leg member (3a), and the fuel sent out from the valve unit (2) receives the hose (16) and the pipe leg member. It is designed to be supplied to the nozzle holder (6) through the fuel gas passage (13) in (3a). In addition, the lead wire (17) is embedded in the hose (16), and the operation part of the ignition device held by the ignition electrode (7) supported by the electrode holder (8) and the valve unit (2). It is connected to (12) with this lead wire (17).

In the figure, reference numeral (18) is a windshield, and this windshield (18) is formed in a saucer shape in which a peripheral wall is raised, and three leg members (3) are raised at the center thereof. A hole (19) having an inner diameter that can be fitted to the outer peripheral surface of the grip portion is provided through. Further, a part of the bottom wall portion and the peripheral wall of the windshield (18) is cut out to be formed in the built-in portion of the electrode holder (8).

In the portable gas stove formed in this manner, the leg members (3) are gathered in one place at the time of carrying, so that the accommodation dimension is made small and the portability is improved, and at the time of use, the leg formed by the rod is used. The burner unit (1) can be stably set by opening the member (3b) with respect to the tube leg member (3a) at a predetermined angle.

Further, in the portable gas stove of this embodiment, the gas cartridge (11) is connected to the valve unit (2) in an inverted posture, and the fuel gas is connected to the valve unit (2) through the hose (16) and the pipe leg. Since the fuel is supplied to the nozzle holder (6) through the fuel gas passage (13) of the member (3a), the fuel in the gas cartridge (11) flows out to the hose (16) in a liquid state. While flowing through the pipe leg member (3a), the liquid fuel is gasified by exchanging heat with combustion heat or radiant heat acting on the outside air and the leg member (3a), and becomes a gas body to become a nozzle holder (6). Will flow into. As a result, a sufficient vaporization rate can be secured even if the gas consumption rate is high.

In the above embodiment, the leg support holder (14) is made into two pieces, and two rod-shaped leg members (3b) are individually fixed to this leg support holder (14). The burner unit (1) may be supported by four or five leg members (13) by forming three or four (14).

[0018]

[Effect of the device]

 According to the present invention, the leg support holder is arranged so that it can be tightened together between the mixing pipe that extends downward from the bottom wall of the burner head and the nozzle holder that is screwed to the lower end of the mixing pipe, By fixing one of the three leg members to the nozzle holder and the remaining leg members individually to the leg support holder, loosening the screwed state of the burner unit and the mixing pipe The leg support holder can be rotationally displaced, and the relative posture between the leg member fixed to the nozzle holder and another leg member can be changed. Further, by firmly tightening the nozzle holder and the mixing pipe, each leg support holder is fixed together and fixed in a state where the relative posture is maintained. As a result, the legs can be gathered together when carrying the device to make it compact, but the burner unit can be stably supported during use.

Further, a fuel passage is formed inside the leg member fixed to the nozzle holder, and a valve unit for directly connecting the liquefied gas cartridge in an inverted state is connected via the leg member having the fuel passage. Since the fuel taken out in liquid form is vaporized by the thermal energy supplied through the leg members while passing through the fuel passage, sufficient vaporization energy can be secured and the consumption speed is fast. Can maintain high output.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of a usage state.

FIG. 2 is an exploded perspective view.

[Explanation of symbols]

1 ... Burner unit, 2 ... Valve unit, 3 ... Leg member, 4 ...
Burner head, 5 ... Mixing tube,
6 ... Nozzle holder, 11 ... Gas cartridge,
13 ... Fuel passage, 14 ... Leg support holder.

Claims (2)

[Scope of utility model registration request] 1. A mixing pipe (5) from the bottom wall of the burner head (4).
The nozzle holder (6) is screwed onto the lower end of the mixing pipe (5) to form the burner unit (1), and the gas cartridge (11) storing the liquefied gas is directly connected in an inverted posture. The valve unit (2) and the nozzle holder (6) of the burner unit (1) are connected in communication, and the burner unit (1) is formed so as to be supported by at least three leg members (3). One of the 3) is fixed to the nozzle holder 6 and the remaining leg members 3 are attached to different leg support holders 1.
4), each leg support holder (14) was placed between the mixing tube (5) and the nozzle holder (6) of the burner unit (1) so that they could be tightened together, and fixed to the nozzle holder (6). A portable gas stove having a fuel passage (13) formed inside the leg member (3). 2. The leg members (3) are formed in such a shape that they are once raised upward and then bent downward, and the upper end of each leg member (3) is positioned higher than the upper end face of the burner head (4). The portable gas stove according to claim 1, wherein the upper end portion of each leg member (3) is formed in a virtuous manner by making it.