JP3753776B2 - Flame leak prevention stove - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a flame leakage prevention type stove that can prevent the hot air generated by a flame of a burner or a flame from leaking outside the five virtues.
[0002]
[Prior art]
The traditional stove uses virtuos with claws so that the flames of the burner and the hot air generated by the flames are naturally released outside the virtues along the bottom of the pan placed on the claws of the virtues. In this case, a part of the released hot air reaches the handle of the pan and heats it to make it difficult to hold the handle.
[0003]
In order to solve such problems, the virtues are formed in a cylindrical shape to surround the burner flame, and an exhaust fan for forcibly sucking and exhausting the hot air generated by the flames from the space surrounded by the virtues is provided. There is also considered a flame leakage prevention type stove that can prevent the leakage of flames and hot air.
[0004]
[Problems to be solved by the invention]
In the above-described flame leakage prevention type stove, a pot having a diameter smaller than the inner diameter of the virtues cannot be used, and the inner diameter of the virtues must be reduced in order to be able to use a small pot. However, in this case, when a large pan is used, only the center portion of the pan bottom can be heated, and the heating efficiency is lowered.
[0005]
In view of the above points, an object of the present invention is to provide a flame leakage prevention type stove that can use various types of pans and that does not cause a decrease in heating efficiency when a large pan is used.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention provides a flame leakage prevention type stove comprising a cylindrical virtues surrounding a burner flame and an exhaust fan for forcibly sucking and exhausting hot air generated by the flames from a space surrounded by the virtues. in the inside of the trivet, while Ru provided trivet claws to place small pot than the inner diameter of the trivet, the upper end of the trivet, a plurality of projections at intervals in the circumferential direction, the small diameter of the pot trivet claws When the is disposed, the outside air can be sucked by the suction force of the exhaust fan from the gap formed between the virtues and the pan.
[0007]
According to the present invention, since a small pan can be placed on the Gotoku claws, various types of pans can be used even if the inner diameter of the cylindrical Gotoku is increased. Therefore, heating efficiency when using a large pan is used. There is no problem such as lowering.
[0008]
In addition, when using a small pan, there is a concern about the leakage of flames and hot air from the gap between Gotoku and the pan, but this gap serves as a suction passage for outside air, so flame and hot air leak from this gap. The pan handle is not heated by hot air.
[0009]
The outside air sucked from the gap reduces the exhaust temperature to prevent the heat damage of the exhaust fan and contributes to cooling of the virtues. When using a large pan with protrusions, it is desirable to suck outside air from the gap between these protrusions to prevent heat damage of the exhaust fan and to cool the five virtues.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
With reference to FIG. 1, reference numeral 1 denotes a stove body, and a top plate 2 is provided on the top surface of the stove body 1.
The top plate 2 includes an outer top plate 20 and an inner top plate 21, and the virtues 3 are placed on the upper surface of the inner top plate 21, and a bottomed cylindrical combustion is placed below the inner top plate 21. A casing 4 is provided, and a burner 5 is accommodated in the combustion casing 4.
[0011]
The burner 5 is composed of an internal flame type ring burner having a flame hole 5 a on the inner periphery, and flame F from the burner 5 rises through an opening 22 at the center of the inner top plate 21. Note that a plurality of vent holes 40 are formed in the combustion casing 4, and secondary air is introduced into the combustion casing 4 through the vent holes 40.
[0012]
Gotoku 3 is formed in a cylindrical shape with an inner and outer double wall structure surrounding the flame F of the burner 5, and an exhaust window 30 is opened on the inner peripheral wall of Gotoku 3. In addition, the inner top plate 21 has an upper and lower double wall structure, and the hollow space of Gotoku 3 and the hollow space of the inner top plate 21 are communicated with each other through a communication hole 23 formed in the upper wall of the inner top plate 21. An exhaust duct 6 is provided to communicate the hollow space of the inner top plate 21 with an exhaust port 6a provided in the back of the top plate 2, and the hollow space of the five virtues 3, the hollow space of the inner top plate 21, and the space in the exhaust duct 6 Constitutes the exhaust passage. Then, an exhaust fan 7 is provided in the exhaust duct 6 so that hot air generated by the flame F of the burner 5 can be forcibly sucked and exhausted from the space surrounded by the virtues 3 through the exhaust passage.
[0013]
The inner diameter of Gotoku 3 is set to be relatively large in accordance with the large pan, and when large pan P is placed on Gotoku 3, a large contact area of flame F and hot air against the pan bottom is ensured and heating is performed efficiently. Is done. Further, on the upper surface of the inner top plate 21, for example, the secondary virtues 8 having four radial virtues claw 8 a are placed on the inner side of the virtues 3, and the pot P having a diameter smaller than the inner diameter of the virtues 3 is placed. 'Can be placed on the five virtue claws 8a.
[0014]
When a small-diameter pan P 'is placed on the virgin claw 8a, a gap is formed between the virtues 3 and the pan P', and hot air leaks upward from the gap to heat the handle of the pan P '. Therefore, in this embodiment, the opening area of the ventilation hole 40 of the combustion housing 4 is narrowed so that only the minimum air necessary for combustion is introduced into the combustion housing 4 and the rotational speed of the exhaust fan 7 is increased. It is set relatively high so that the outside air is sucked from the gap between the virtues 3 and the pan P ′ by the suction force of the exhaust fan 7. According to this, the heating of the handle due to the leakage of hot air from the gap is prevented, and further, the virtues 3 are cooled by the outside air, and the exhaust temperature in the exhaust passage is lowered to prevent the heat damage of the exhaust fan 7. The
[0015]
Moreover, in this embodiment, when the some protrusion 31 was provided in the upper end of the virtues 3 at intervals in the circumferential direction and the large-diameter pan P was placed on the virtues 3, the bottom of the pan and the upper ends of the virtues 3 A gap is formed between the protrusions 31 and the outside air is sucked through the gap so that the cooling effect of Gotoku 3 and the heat damage prevention effect of the exhaust fan 7 due to the reduction of the exhaust temperature can be obtained in the same manner as described above. . The height and spacing of the protrusions 31 are the amount of outside air when the small-diameter pan P 'is placed on the five victories claw 8a and the amount of outside air when the large-diameter pan P is placed on the five victories 3. Set so that there is no significant difference.
[0016]
In the above embodiment, the secondary virtues 8 are provided separately from the virtues 3 and the virtues 8a are formed on the secondary virtues 8. However, the virtues 3 may be formed integrally with the virtues 3.
[Brief description of the drawings]
FIG. 1 is a cutaway side view of an example of a stove according to the present invention.
3 Gotoku 31 Protrusion 5 Burner 7 Exhaust fan 8a Gotoku nail

Claims (1)

In a flame leakage prevention type stove comprising a cylindrical virtues surrounding the burner flame and an exhaust fan that forcibly sucks and exhausts the heat generated by the flames from the space surrounded by the virtues, inside the virtues, from the inner diameter of the virtues while Ru is provided a trivet claws to place small pot, the upper end of the trivet, a plurality of projections at intervals in a circumferential direction, between the trivet and the pot in the case of arranging the small-diameter pot trivet claws A flame leakage prevention type stove, characterized in that outside air can be sucked in by a suction force of an exhaust fan from a gap generated in the air.

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