JP3183386B2 - Timer fire extinguisher for portable gas stove - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a portable gas stove to which a gas cylinder is detachably mounted and which is heated and cooked by the gas of the gas cylinder. The present invention relates to a fire extinguisher in which the supply of gas is cut off by removing the fire extinguisher to automatically extinguish the fire.

[0002]

2. Description of the Related Art Portable gas stoves equipped with gas cylinders have been widely known. In this type of gas stove, the ignition and extinguishing are performed by an ignition cock that is also used for adjusting the thermal power.

[0003]

However, when cooking, it is preferable to set heating conditions and automatically extinguish the fire after the cooking is completed. Gas stoves for city gas are known to extinguish by shutting off the gas flow path by measuring the time with a timer.However, the structure is complicated and expensive, so apply it to inexpensive portable gas stoves. Is difficult.

[0004] In order to extinguish a fire other than by operating the cock,
As described in Japanese Utility Model Laid-Open No. 4-121819, there is known a type in which the temperature of the bottom of a rice cooker is detected and gas is shut off to extinguish a fire. However, a cooking container is a dedicated appliance for a specific gas stove. Lacks versatility.

The present invention has been made in view of such circumstances, and has as its object to provide a simple structure that can extinguish a portable gas stove with a timer.

[0006]

According to a timer fire extinguisher of the present invention, in a portable gas stove to which a gas cylinder is detachably mounted, an urging means for urging the gas cylinder in a detaching direction, and the urging means are provided. A securing means for maintaining the gas cylinder in the mounted state against the urging force of the above, and a timer for releasing the securing means after a predetermined time has elapsed, and after the time set by the timer has elapsed, holding of the gas cylinder by the securing means. Is released, and the gas cylinder is removed by the urging means to extinguish the fire.

As a specific structure of the present invention, a holding member for holding a gas cylinder, an urging means for urging the holding member in a direction in which the gas cylinder is detached, and a sliding movement of the holding member in a gas cylinder attaching / detaching direction. An operating member to be stopped, a sliding rod as the securing means having a gas cylinder maintained in an attached state by being locked to a locking portion formed on the operating member, and a notch formed in a part thereof, and a timer. A cam which rotates to slide the sliding rod, and the sliding rod slides so that the notch coincides with the operating member, thereby locking the locking portion of the operating member with the sliding rod. Is released, and the gas cylinder is removed by the urging force of the urging means.

Further, as another specific structure of the present invention,
An auxiliary coupling member detachably coupled to a distal end portion of the gas cylinder by a magnet, an urging means for urging the auxiliary coupling member in a direction in which the gas cylinder is detached, and a side opening provided on the auxiliary coupling member; A stop piece, a sliding rod serving as the securing means for retaining the gas cylinder in the fitted state by locking the locking piece to the locking claw, and a cam rotating by a timer to slide the sliding rod. In this case, the gas cylinder can be detached by the urging force of the urging means when the locking rod comes off the locking piece by sliding the sliding rod.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows a portable gas stove according to the present invention, wherein 1 is an outer shell, which is divided by a partition 2 into a burner section 3 and a cylinder housing section 4.

Reference numeral 5 denotes a gas cylinder removably accommodated in the cylinder accommodating portion 4, the nozzle 6 of which is connected to a governor 7, and supplies gas to a burner 9 accommodated in the burner portion 3 via a conduit 8. It has become. Reference numeral 10 denotes a cock for operating the governor 7 to perform ignition / extinguishing and heat power adjustment.

Reference numeral 11 denotes a holding member for holding the gas cylinder 5 between both ends thereof. The holding member 11 is slidably provided along an elongated hole 12 formed in the partition wall 2, and slides in a direction in which the gas cylinder 5 approaches the governor 7. When the gas cylinder 5 is moved, the nozzle 6 of the gas cylinder 5 is connected to the governor 7, and the gas cylinder 5 is urged in a direction to separate from the governor 7 by a weak spring 13 as urging means.

An operation member 14 has a rear end slidably supported along the elongated hole 12, and a pin 15 implanted in the center of the elongated hole formed in the partition 2. 16 are slidably fitted. The distal end of the operation member 14 protrudes from the front surface of the outer shell 1 to form an operation lever 14a. The operating member 14 and the holding member 11 are connected by a spring 17 stronger than the spring 13.

Reference numeral 18 denotes a sliding rod 18 provided as a securing means provided through the partition wall 2. The sliding rod 18 slides the operating member 14 so that the pin 15 is located at the front end of the elongated hole 16. The engaging member 19 formed on the operating member 14 is engaged with the engaging member 19.

Reference numeral 20 denotes a timer.
The cam 21 is rotated by the operation of 0. The cam 21 has a cam recess 22 formed on the outer periphery thereof. The tip of the sliding rod 18 is brought into contact with the outer periphery of the cam 21, and the sliding rod 18 is pressed against the outer periphery of the cam 21 by a spring 23. ing. Reference numeral 24 denotes a dial 24 for operating the timer 20.

A notch 25 is formed in the sliding rod 18.
When the locking portion 19 of the operating member 14 is locked at a position other than the notch 25, the operating member 14 is held in a locked state, but the sliding rod 18 slides. When the notch 25 matches the position of the operating member 14,
The holding of the operation member 14 by the sliding rod 18 is released.

In this embodiment, in the initial state, as shown in FIG. 2B, the operating lever 14a at the tip of the operating member 14 is moved upward, and the locking portion 19 is moved to the sliding rod 18 as shown in FIG. The holding member 11 and the operating member 14 are slid rearward along the elongated hole 12 by the action of the springs 13 and 17, and the pin 15 of the operating member 14 is
Is located at the rear end.

In this state, the gas cylinder 5 is held between both ends of the holding member 11. When the timer 20 is set by rotating the dial 24, the cam 21 slides the sliding rod 18 rightward in the drawing as shown by the solid line in FIG.
A predetermined position on the outer periphery of 1 is in contact with the tip of the sliding rod 18. When the stove is used continuously, the dial 24 is turned in the opposite direction as shown by a chain line A in FIG.
The continuous operating portion 26 of the cam 21 is brought into contact with the tip of the sliding rod 18.

Next, when the tip of the operation lever 14a is moved downward, as shown in FIG.
Slides along the long hole 16, the operating member 14 moves forward along the long hole 12, pulls the gas cylinder 5 forward through the strong spring 17, and resists the elasticity of the weak spring 13. Is biased forward so that the nozzle 6 is connected to the connecting portion of the governor 7. And the locking part 1 of the operating member 14
9 is locked to the sliding rod 18 and this state is maintained.

Here, the cock 10 is operated to adjust the flow rate of the gas in the gas cylinder 5 by the governor 7 and is supplied to the burner 9 through the conduit 8, and the gas is burned by the burner 9 to perform desired cooking. It can be carried out.

If the timer 20 has been set beforehand, the cam 21
Slowly rotates, and when a predetermined time set by the timer 20 elapses, the cam recess 22 of the cam 21 reaches the position of the sliding rod 18.

Then, as shown by a chain line B in FIG. 3, the sliding rod 18 is biased to the left in the figure by the action of the spring 23, and the notch 25 comes to the position of the operating member 14. As a result, the locking of the sliding rod 18 with the locking portion 19 is released, and as shown in FIG.
The pin 15 slides along the long hole 16 due to the elasticity of
The operation lever 14a of the operation member 14 is moved upward, and the holding member 11 and the operation member 14
Is caused to slide rearward along the elongated hole 12 by the elasticity of.

Accordingly, the gas cylinder 5 held by the holding member 11 also moves rearward together with the holding member 11, the nozzle 6 comes off the governor 7, and the gas cylinder 5 comes off the mounted state. As a result, the supply of gas from the gas cylinder 5 is cut off, and the fire of the burner 9 is extinguished.

In the case of the continuous use state as described above, since the timer 20 does not operate, the heating can be continued continuously. During use, the dial 24 can be operated to change the set time of the timer 20,
It is also possible to arbitrarily extinguish the fire manually by operating the cock 10 or moving the operation lever 14a of the operation member 14 upward.

FIGS. 4 and 5 show another embodiment of the present invention, in which an annular portion 27 is provided at the center of a sliding rod 18 which is slidably supported by a partition 2 and serves as securing means. The connecting portion 28 of the governor 7 is inserted into the annular portion 27, and a pair of locking claws 29 is provided on the outer periphery of the annular portion 27 so as to protrude and retract at opposing positions.

Reference numeral 30 denotes an auxiliary coupling member attached to the tip of the gas cylinder 5, which is attached to a steel tip fitting 32 attached to the tip of the gas cylinder 5 by a magnet 31 provided on the end face thereof. In the center of the magnet 31, a through-hole 33 through which the joint 28 of the governor 7 is inserted is formed.

On the front surface of the auxiliary coupling member 30, a locking member 34 is attached. Both ends of the locking member 34 are bent forward to form a locking piece 35, and the locking piece 35 Is locked by a locking concave portion 36 opened to the side.
When the locking member 34 is inserted into the annular portion 27 of the sliding rod 18 from the rear with the auxiliary connecting member 30 attached to the gas cylinder 5, the locking piece 35 gets over while pressing down the locking claw 29, and The stopping claw 29 is locked in the locking recess 36, and in this state, the nozzle 6 of the gas cylinder 5 is connected to the connecting portion 28. Also, by sliding the sliding rod 18 to the side,
The locking claw 29 is released to the side of the locking recess 36 to release the locking, and the elasticity of the spring 37 interposed between the auxiliary coupling member 30 and the governor 7 causes the gas cylinder 5 to retreat and move out of the governor 7. It has come off.

In this embodiment, the magnet 3
The auxiliary connecting member 30 is attached to the gas cylinder 5 by adsorbing the gasket 1 on the tip fitting 32, the locking piece 35 is locked to the locking claw 29, and the nozzle 6 is connected to the connecting portion 28.
Attach. This state is shown in FIG. In this state, the cook 10 can be operated to supply gas from the gas cylinder 5 for cooking.

When the timer 20 operates and a predetermined time elapses, and the cam recess 22 of the cam 21 reaches the position of the sliding rod 18, the spring 2 as shown in FIG.
The sliding rod 18 is slid to the left in the drawing by the elasticity of 3, and the locking claw 29 escapes from the locking recess 36 to the side.
As a result, the locking between the locking claw 29 and the locking fitting 34 is released, and the gas cylinder 5 and the auxiliary coupling member 30 are biased backward by the elasticity of the spring 37, and the gas cylinder 5 is disengaged from the governor 7, and The gas supply is cut off and the fire extinguishes.

Next, FIGS. 6 and 7 show still another embodiment of the present invention. FIG. 6 shows a two-port gas stove used for outdoor barbecues and the like, in which two burners 9 are provided at the upper part of the outer shell 1 and each burner is provided at the lower part of the outer shell 1. 9, two gas cylinder mounting members 38 are provided. 39
Is a stick provided on the upper part of the burner 9, 40 is a leg for supporting the outer shell 1, and 41 is a windshield that also serves as a lid.

As shown in FIG. 7, the gas cylinder mounting member 38 is configured to vertically mount the gas cylinder 5 such that the nozzle 6 faces upward. The holding member 11 for holding the gas cylinder 5 and the operating member 14 for attaching and detaching the gas cylinder 5 are configured to slide vertically along the elongated hole 12 formed in the gas cylinder mounting member 38. The fourteen operating levers 14a protrude from the front surface of the gas cylinder mounting member 38.

The other mechanisms are the same as those shown in FIGS. 1 to 3. When the operation lever 14a is moved upward, the gas cylinder 5 is moved upward, the nozzle 6 is connected to the governor 7, and the operation is performed. The locking portion 19 of the member 14 is locked to the sliding rod 18, and the mounted state of the gas cylinder 5 is maintained. This state is shown by a solid line in FIGS. 6 (a) and 6 (b).

When the time set by the timer 20 elapses, the cam 21 is moved in the same manner as described with reference to FIG.
The slide rod 18 slides due to the action of the cam concave portion 22, the notch 25 coincides with the operation member 14, the locking portion 19 comes off the slide rod 18, the operation member 14 moves down, and the holding member 11 The gas cylinder 5 also moves downward, and moves out of the mounted state, and the supply of gas is cut off to extinguish the fire.
This state is shown by a chain line in FIG.

[0033]

As described above, according to the present invention, when the gas cylinder 5 is mounted on the governor 7, the gas cylinder 5 is urged in a direction in which the gas cylinder 5 is disengaged by the spring 13 as urging means, and resists the elastic force of the spring 13. Then, the mounted state is maintained by the sliding rod 18 as a securing means, and the gas in the gas cylinder 5 is supplied to the burner 9 via the governor 7, ignited, and subjected to heating and cooking.

The cooking time is set by the timer 20, and when the set time has elapsed, the sliding rod 18 slides to release the securing of the gas cylinder 5, and
The gas cylinder 5 is detached from the governor 7 and the supply of gas to the burner 9 is cut off, and the fire of the burner 9 is extinguished.

[0035]

Thus, according to the present invention, a simple timer 20 is used, and after a predetermined time has elapsed, the timer 20 is actuated to remove the gas cylinder 5 so that the fire can be extinguished. With a simple structure, you can set the cooking time and extinguish the fire automatically.

Further, since the gas cylinder 5 is detached as a fire extinguishing means, there is no need to shut off the gas flow path by a complicated structure as in a stove for city gas, and the structure is simple and a dedicated cooking vessel is used. You don't have to. It is also safe because the gas source is completely cut off.

[Brief description of the drawings]

FIG. 1 is a plan view illustrating a gas stove according to one embodiment of the present invention.

FIG. 2 is a sectional view taken along the line II-II in FIG.
Indicates a mounted state of the gas cylinder, and (b) indicates a detached state.

FIG. 3 is an enlarged cross-sectional view taken along the line III-III in FIG. 1;

FIG. 4 is an exploded perspective view of a main part according to another embodiment of the present invention.

5 is a plan view of a main part in the embodiment of FIG. 4, in which (a) shows a mounted state of a gas cylinder, and (b) shows a detached state.

FIG. 6 is a perspective view of a gas stove according to still another embodiment of the present invention.

7 shows a main part of the embodiment of FIG. 6,
(A) is VII-VII sectional drawing in (b), (b)
Is a front view. Reference Signs List 5 gas cylinder 11 holding member 13 spring 14 operating member 18 sliding rod 19 locking portion 20 timer 21 cam 25 notch 29 locking claw 30 auxiliary coupling member 31 magnet 35 locking piece 37 spring

Claims (3)

(57) [Claims] An urging means (13) for urging a gas cylinder (5) in a direction in which said gas cylinder (5) comes off, and an urging force of said urging means (13). And a timer (20) for releasing the securing means (18) after a lapse of a predetermined time, which is set by the timer (20). After the lapse of the set time, the holding of the gas cylinder (5) by the securing means (18) is released, and the gas cylinder (5) is removed by the urging means (13) to extinguish the fire.
Timer fire extinguisher for portable gas stove 2. A holding member (11) for holding a gas cylinder (5), and the holding member (11) is attached to the gas cylinder (5).
A biasing means (13) for biasing in a direction in which the gas cylinder comes off, an operating member (14) for slidingly moving the holding member (11) in a direction of attaching and detaching the gas cylinder (5), and an operating member (14). Gas cylinder (5) locked to the locking part (19)
(25) while maintaining the attached state
Sliding rod (18) as the securing means formed with
And a cam (21) rotated by a timer (20) to slide the sliding rod (18).
When the sliding rod (18) slides and the notch (25) matches the operating member (14), the operating member (14)
The locking between the locking portion (19) and the sliding rod (18) is released, and the gas cylinder (5) is detached by the biasing force of the biasing means (13). Timer extinguishing system for portable gas stove according to 1 3. An auxiliary connecting member (3) detachably connected to a tip of a gas cylinder (5) by a magnet (31).
0) and the auxiliary coupling member (30) is connected to a gas cylinder (5).
Urging means (37) for urging in a direction in which the auxiliary coupling member (30) is disengaged;
5) and the securing means for securing the gas cylinder (5) in the mounted state by locking the locking piece (35) to the locking claw (29).
And a cam (21) that is rotated by a timer (20) to slide the sliding rod (18). The sliding rod (18) slides and engages. When the pawl (29) comes off the locking piece (35),
The gas cylinder (5) is operated by the urging force of the urging means (37).
2. The timer fire extinguisher according to claim 1, wherein the timer is extinguished.