JP3737645B2 - Kerosine stove - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a core up and down type oil stove.
[0002]
[Prior art]
Conventionally, in this kind of oil stove, there is a stove that detects the weight of the tank when the remaining amount of fuel in the cartridge tank is low or emptied and displays the need for refueling to the user. It was.
Also, when the cartridge tank is pulled out during refueling, the fire extinguisher works at the same time, the core lowers and extinguishes fire, and the oil stove prevents fires caused by accidentally spilling fuel in the tank when the cartridge tank is installed after refueling There was also.
[0003]
[Problems to be solved by the invention]
However, such a conventional oil stove had a device for displaying the oil supply like the former and a fire extinguishing device for the oil supply separately as in the latter, which hindered downsizing of the equipment and cost reduction. It was.
Further, as shown in FIG. 6, in the apparatus for performing the oil supply fire extinguishing, since the end portion c of the lock fitting b that transmits the operation of the operation fitting a and the contact surface d of the operation fitting a are in contact with each other, the contact surface When frictional force is applied to d and the contact surface is scratched or deteriorated due to corrosion for some reason, the frictional force increases, so that normal force cannot be transmitted and there is a risk of uneven operation. .
[0004]
[Means for Solving the Problems]
The present invention pays attention to this point and solves the above-mentioned drawbacks. In particular, the structure is urged in the fuel tank up and down means for moving up and down the wick, and the raised wick is urged in the descending direction. A spring, a lock fitting that holds the wick in the raised position against the spring force of the spring, an anti-earthquake extinguishing device that releases the lock wick and lowers the wick in the event of an earthquake, etc., and the fuel tank A cartridge tank for supplying fuel to the fuel tank by inserting a pin provided in the fuel filler port into the valve body, a fuel supply fire extinguishing function for extinguishing the fire by releasing the lock fitting when the cartridge tank is removed, and the cartridge tank In an oil stove equipped with a fuel supply display function for sensing the weight of the fuel and displaying the out of fuel, it rotates according to the state of the cartridge tank to perform the fuel supply extinguishing and the fuel supply display An operating bracket and a spring that urges the operating bracket in a direction opposite to the weight of the cartridge tank are provided, and the lock bracket has an end portion extending downward, and the end portion and the oil supply / extinguishing portion of the operating bracket are substantially in an operating state. It is arranged at a right angle.
[0005]
DETAILED DESCRIPTION OF THE INVENTION
With the above configuration, the fuel supply display and the fire extinguishing device can be simplified, and a compact and inexpensive oil stove can be provided.
[0006]
【Example】
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. Reference numeral 1 denotes a frame of a core vertical oil stove, a bottom plate 2 on the bottom, a side plate 3 covering the back and left and right sides, and a front plate on the lower front 4 and a top plate 5 on the upper surface form a horizontal rectangular casing, and a combustion cylinder 6 or the like for burning fuel oil is provided inside, and radiant heat is emitted from the center of the front surface by the combustion cylinder 6 red-hot from the upper opening 7. Then, the hot air in the combustion cylinder 6 is discharged upward from the numerous elongated holes 8 at the center of the top plate 5 to heat the room.
[0007]
Reference numeral 9 denotes a tank lid which covers a tank mounting opening (not shown) provided at the right end of the top plate 5 and is opened when fuel is supplied to attach or detach the cartridge tank 10.
Reference numeral 11 denotes a core up / down handle provided in the center of the front and slightly below, which moves the inner lamp core 12 up and down by rotation. The ignition unit (not shown) is operated by pressing above the core up / down handle 11. An ignition window 13 is provided to perform the operation of the anti-seismic fire extinguishing device 14 so that the lamp core 12 quickly descends due to pressing during combustion and immediately performs a fire extinguishing operation. A fire extinguishing window 15 is provided. In addition, when the remaining amount of fuel is low on the right side of the core upper and lower handle 11, the color of the display changes or a character such as “fuel supply” is displayed, so that the user needs to run out of fuel or have to refuel. A refueling display window 16 for notifying is provided.
[0008]
The periphery of the combustion cylinder 6 excluding the opening 7 is surrounded by a radiation plate 17 for reflecting radiant heat in the forward direction, and the opening 7 is protected by a guard frame 18 made up of a number of metal rods.
A fuel tank 19 for storing fuel oil is fixed inside the frame 1 on the lower plate 2 by screws or the like (not shown). The fuel tank 19 includes a combustion portion 20 on the upper left side and a mounting portion 21 for the cartridge tank 10 on the upper right side. A circular fuel inlet 22 is opened at the right end of the mounting portion 21. A metal pin 23 is erected from the center of the cup-shaped bottom surface, and the fuel filler port 24 is provided with a fuel receiver 24 having a hole through which fuel oil passes on the side surface.
[0009]
A vertical rectangular cartridge tank 10 is provided above the fuel receiver 24, a base 26 having a valve body 25 formed at the center thereof is screwed to the bottom surface of the cartridge tank 10, and a carrying handle 27 is provided on the upper surface. It has. Also, by setting the cap 26 of the cartridge tank 10 to the fuel receiver 24, the pin 23 pushes up the valve body 25, and the fuel oil in the cartridge tank 10 flows from the fuel receiver 24 into the fuel tank 19.
[0010]
Reference numeral 28 denotes a U-shaped fulcrum fitting provided in the vicinity of the fuel filler port 22, which is fixed to the upper surface of the fuel tank 19 by screwing or spot welding or the like. When the spring member 33 is overlapped and the shaft 34 is inserted, the operating metal fitting 30 is pivotally supported while receiving the spring force in the upward direction with the shaft 34 as a fulcrum.
The operating bracket 30 has the shaft hole 31 at the rear end of a substantially cross-shaped arm, the oil supply display portion 35 corresponding to the oil supply display window 16 at the front arm, and the cartridge tank 10 at the right arm. The left arm is provided with a refueling / extinguishing unit 37.
[0011]
Reference numeral 38 denotes a core guide pipe standing from the bottom of the fuel tank 19 at the center of the combustion section 20 of the fuel tank 19. The lamp core 12 is provided along the periphery of the core guide pipe 38 by a core stopper 39 so as to be movable up and down. It has been.
A core guide tube 40 covers the periphery of the light core 12 and the core guide pipe 38 and is screwed by three bolts 41 and nuts (not shown) fixed to the upper surface of the fuel tank 19. The combustion cylinder 6 is placed at the upper ends of the core guide cylinder 40 and the core guide pipe 38, and the fuel oil sucked up from the fuel tank 19 by the lamp core 12 is evaporated in the gap between the core guide pipe 38 and the core guide cylinder 40. It burns in the combustion cylinder 6.
[0012]
The core up / down handle 11 has a disk shape, and a core up / down shaft 43 is inserted into a protrusion 42 provided at the center of the back surface, and the core is moved up and down by rotation. A gear 45 that meshes with the rack 44 of the core stopper 39 is provided at the tip of the core vertical shaft 43 inside the hole 46 on the front surface of the fuel tank 19. Includes a spring 47 that urges the lamp core 12 in the downward direction and a lock gear 48 that locks the rotation of the core vertical shaft 43 against the spring 47 and prevents the lamp core 12 from descending.
[0013]
The anti-seismic fire extinguishing device 14 includes a weight 49 for detecting a shake of an earthquake when an earthquake occurs, a weight base 50 on which the weight 49 is placed, and a lock fitting 51. The lock fitting 51 is a weight base 50 on a shaft 52. The locking lot 53 is locked to the lock gear 48, the foot 54 of the weight 49 passes through the hole 55 of the weight base 50 and the hole 56 of the lock fitting 51, and the weight 49 The vibration is transmitted to the lock fitting 51, the lock gear 48 is released, and the lamp core 12 is lowered at a time.
The contact portion 36 of the operating metal fitting 30 is brought into point contact with the bottom surface of the tank 10 when the cartridge tank 10 is mounted, and is pushed downward by the weight of the fuel oil in the tank 10 and the tank 10.
[0014]
The lock metal 51 on the lower side of the weight 49 is provided in a U-shaped cross section in which left and right end portions 57 extend downward, and an upward projecting portion 58 is provided on the oil supply / extinguishing part 37 of the operating metal 30. Since the upper surface of the projecting portion 58 is provided so as to be positioned at a substantially right angle with the end portion 57 in the operating state, the frictional force of the contact surface does not hinder the force from the operating metal fitting 30 to the lock metal fitting 51. The metal fitting 51 operates extremely smoothly.
[0015]
When the fuel supply indicator 35 is pushed down by the weight of the cartridge tank 10 sufficiently filled with fuel, the fuel supply display window 16 displays a color that is not so conspicuous in a color similar to the front plate 4 such as white or brown. When the fuel oil in the tank 10 which is about 5 liters full is reduced by combustion and the remaining amount becomes about 1.5 liters, the force of the spring member 33 balances with the weight of the tank 10 and thereafter the operation fitting 30 gradually. Starts to rotate in the upward direction. When the remaining amount reaches about 1 liter, the characters “refueling” and red and other noticeable signs start to appear little by little. When the remaining amount reaches about 0.5 liter, “refueling” etc. All indications appear, and the indication remains “refueling” until the remaining amount becomes empty from about 0.5 liters.
[0016]
Then, when the user notices this display and pulls out the tank 10 to supply the fuel, the operating bracket 30 is further rotated upward, and the fuel supply extinguishing unit 37 locks the anti-seismic fire extinguishing device 14. The end portion 57 of the metal fitting 51 is pushed up to release the lock, and the lamp core 12 is lowered to extinguish the fire.
[0017]
Describing the operation, when the lead up / down handle 11 is turned to the right to raise the lamp core 12 and press the ignition device from the ignition window 13, the fuel that has soaked into the lamp core 12 is ignited and combustion starts. When extinguishing the fire, if the lead up / down handle 11 is turned to the left, the wick 12 is lowered and combustion is stopped. Further, if the weight 49 of the anti-seismic fire extinguishing device 14 is pressed from the emergency fire extinguishing window 15 and falls, the lock fitting 51 is rotated, and the locking lot 53 is detached from the lock gear 48 and the wick 12 is instantaneously moved by the force of the spring 47. Lowers and stops combustion.
[0018]
The bottom of the cartridge tank 10 presses the contact portion 36 of the operating metal fitting 30 and the operating metal fitting 30 is lowered until the fuel oil is reduced to about 1.5 liters during combustion. When it reaches about 1.5 liters, the force of the spring member 33 balances with the weight of the tank 10, and thereafter the operating metal fitting 30 gradually starts to rotate upward, and when the remaining amount becomes about 1 liter, the display of the fuel supply display window 16 is displayed. “Lubrication” characters and red and other noticeable signs start to appear little by little. When the remaining amount reaches about 0.5 liters, all indications such as “refueling” appear and the remaining amount becomes empty from about 0.5 liters. The display keeps “refueling” until.
When the tank 10 is pulled out to supply the fuel oil, the operating metal fitting 30 further rotates upward, and the oil supply and fire extinguishing part 37 pushes up the end 57 of the lock metal fitting 51 of the anti-seismic fire extinguishing device 14 to lock it. The fire extinguisher is extinguished when the lamp core 12 is lowered.
At this time, since the upper surface of the protruding portion 58 of the oil supply fire extinguishing portion 37 is provided so as to be substantially perpendicular to the end portion 57 of the lock fitting 51 in the operating state, the frictional force of the contact surface is transferred from the operation fitting 30 to the lock fitting. Since the force to 51 is not hindered, the lock fitting 51 operates very smoothly.
[0019]
【The invention's effect】
As described above, according to the present invention, since the fueling display and the fire extinguishing at the time of fueling can be combined with one set of parts, a compact and inexpensive oil stove can be provided, and the upper surface of the projecting part of the oiling fire extinguishing part of the operating bracket is locked with the lock. Since it is provided so that it is positioned at a substantially right angle with the end of the bracket, the friction force on the contact surface does not hinder the force from the actuation bracket to the lock bracket, so that the lock bracket operates extremely smoothly. It is.
[Brief description of the drawings]
FIG. 1 is a perspective view of an embodiment of the present invention.
FIG. 2 is a developed perspective view of the inside.
FIG. 3 is an explanatory view of a side surface of the main part.
FIG. 4 is an explanatory view of the front of the main part.
FIG. 5 is a plan view of the operating metal fitting.
FIG. 6 is a side view of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Cartridge tank 14 Anti-quake extinguishing device 19 Fuel tank 30 Actuation metal fitting 35 Refueling display part 36 Contact part 37 Refueling fire extinguishing part 51 Lock metal fitting 57

Claims (1)

A core raising / lowering means for vertically moving the light core provided in the fuel tank so as to be movable up and down, a spring for urging the raised light core in the lowering direction, and a lock for holding the light core in the raised position against the spring force of the spring Insert the metal fitting and the anti-earthquake extinguishing device that releases the lock metal core and lowers the light core in the event of an earthquake, etc., and the pin provided on the fuel filler port of the fuel tank to insert fuel into the fuel tank. An oil stove having a cartridge tank to be supplied, a fuel extinguishing function that releases the lock metal when the cartridge tank is removed and extinguishes the fire, and a fuel display function that senses the weight of the cartridge tank and displays that the fuel has run out In this case, in order to perform the refueling fire extinguishing and the refueling display, the operating metal fitting that rotates according to the state of the cartridge tank and the direction in which the operating metal fitting is opposite to the weight of the cartridge tank A spring for biasing provided, said lock fitting includes an end portion extending downwardly, kerosene stove, characterized in that is substantially at a right angle position operating state fueling extinguishing portion of the actuation fitting this end.

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