JPH0430816A - Electric rice cooker with beam cooking function - Google Patents

Abstract

PURPOSE:To prevent boiling and to enable cooking beans of good shape evenly by a method wherein an auxiliary pot for cooking beans is housed in an inner pot and heat from a heater is transmitted to a bottom part and a peripheral surface of the auxiliary pot through water which is stored in a space formed between the auxiliary pot and the inner pot. CONSTITUTION:A step part 5d is formed on an inner peripheral part of a flange 5a of an inner pot 5, an auxiliary pot for cooking beams 10 is housed in the inner pot 5 with a play, and heat from a sheath heater 9 is transmitted to the auxiliary pot 10 through water 11 which is stored in a space (A) formed between the auxiliary pot 10 and the inner pot 5. By this, as water in the auxiliary pot 10 is heated indirectly by a bottom surface and a pheripheral side surface of the inner pot, difference of temperature between the water at the bottom part and the upward of the inner pot 5 becomes small, whereby the water for cooking beans can be prevented from boiling and deformation of the beans due to boiling can be also prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electric rice cooker equipped with a boiled bean cooking function.

[Prior Art] FIG. 6 is a sectional view showing the structure of a conventional electric rice cooker of this kind, which is disclosed in, for example, Japanese Utility Model Application Publication No. 82-33719. In the figure, (1) is the main body of the rice cooker, (2) is a lid pivoted on the top of the main body (1) so that it can be opened and closed freely, (3) is an outer pot fixedly installed inside the main body (1), (4) is the outer pot (3
) and the main body (1) with a heat insulating space in between; (6) is a temperature sensor installed at the bottom of the heat shield plate (4) and whose upper end passes through the outer pot (3), and (7) is the temperature sensor (6) and the bottom of the heat shield plate. a pressure spring which is stretched between the temperature sensor (6) and urges the upper surface of the temperature sensor (6) to always come into surface contact with the lower surface of the inner pot (5);
<g> is an inner pot detection switch connected to a shaft hanging down from the temperature sensor (6), and is an inner pot detection switch connected to a shaft hanging from the temperature sensor (6),
) It turns on when the temperature sensor (6) is pressed down when stored. Thus, <9) is a sheathed heater fixedly installed at the bottom of the outer pot (3), which heats the inner pot (5) from below in a non-contact manner. Further, the outer pot (3) also reflects the heat generated by the sheathed heater (9) to heat the inner pot (5) from below.

Such electric rice cookers are generally capable of cooking, for example, boiled rice in addition to cooking rice.

C Problems to be Solved by the Invention] However, as described above, in the conventional electric rice cooker in which the inner pot (5) is heated from below, the water temperature at the bottom of the inner pot (5) and the water temperature above the inner pot (5) are When boiling beans, there is a difference in temperature between the beans and the beans placed in the inner pot (5) are cooked unevenly between the upper and lower portions of the beans, especially those that are in contact with the bottom of the inner pot. In the case of beans, they could burn. Another problem was that the beans would lose their shape when the water boiled.

In view of the above-mentioned points, the present invention aims to provide an electric rice cooker equipped with a boiled bean cooking function that can produce boiled beans that are evenly shaped and have a good shape.

[Means for Solving the Problems] An electric rice cooker equipped with a boiled bean cooking function according to the present invention includes a main body of the rice cooker, an outer pot fixedly installed in the main body, and a rice cooker installed at the bottom of the outer pot. a heater; an inner pot having a flange that can be engaged with the opening edge of the outer pot; the inner pot being housed in the outer pot and heated by the heater; and a stepped portion formed on the opening edge of the inner pot; It consists of an auxiliary pot for boiling beans that has a lockable flange and is loosely fitted into the inner pot, and the water stored in the space formed between the auxiliary pot and the inner pot is passed through. The heater is configured to transmit heat from the heater to the auxiliary pot.

[Function] In the present invention, heat from the heater is transmitted to the bottom and circumferential side of the auxiliary pot via the water stored in the space formed between the auxiliary pot and the inner pot. The cooking water in the pot has a small temperature difference between the water temperature at the bottom and the water temperature above, and is prevented from boiling, which can prevent the beans from losing their shape.

[Embodiment] Hereinafter, the present invention will be explained with reference to an embodiment in Figs. 1 to 5, in which parts corresponding to conventional ones are denoted by the same reference numerals.
The electric rice cooker equipped with a boiled bean cooking function according to this embodiment has a stepped portion (5b) formed at the opening edge of the inner pot (5), that is, at the inner circumference of the flange (5a). An auxiliary pot for boiling beans (lO) having a flange (10a) that can be locked to the inner pot (5) can be stored in a loosely fitted state in the inner pot (5), so that the auxiliary pot (10) and the inner pot (5) It is characterized in that the heat from the sheathed heater (9) is transmitted to the auxiliary pot (10) via the water (11) stored in the space (A) formed in the .

To explain this in more detail, the auxiliary pot (lO) has a flange (
The wall thickness of the portion 10a) is set to be smaller than the depth of the stepped portion (5b) of the inner pot (5), and the lid (2) is A gap (C) is formed between the inner lid (12) and the flange (lea). The flange (10a) is provided with elongated holes (10b) that penetrate in the axial direction at multiple locations in the circumferential direction, and the elongated holes (10b) and multiple holes (12a) that are formed on the inner lid (12) side. The space (A) and the space inside the inner lid (12) are communicated with each other directly or through a gap (C). As shown in Fig. 5, the lid body (2) is provided with a steam vent hole (13) that continues to the outside of the main body, and the space (A) is formed by a long hole (10b) and a hole (12a).
and communicates with the outside of the main body via a steam vent hole (13). In addition, the space (B) inside the auxiliary pot (10)
) is also communicated with the outside of the main body via a hole (12a) on the inner peripheral side of the inner lid (12) and a steam vent hole (13). Further, the auxiliary pot (10) is provided with holes (10c) that penetrate in the radial direction at multiple locations in the circumferential direction of the upper part of the circumferential side wall of the auxiliary pot (10), so that the space (B) and the space (A) are communicated with each other. It has become.

Therefore, when cooking, space (A) and auxiliary pot (lO)
A portion of the steam generated inside the inner lid (12) is partially absorbed directly through the holes (
12a), and the others are the flange (10) of the auxiliary pot (lO).
The hole (10b) of the inner lid (12) passes through the elongated hole (10b) of 10a).
12a) and is discharged from the inner space of the inner lid (12) to the outside through the steam vent hole (13).

In the electric rice cooker with the boiled bean cooking function of this embodiment configured as described above, the water (11) stored in the space (A) between the auxiliary pot (lO) and the inner pot (5) is As shown in FIG. 5, during cooking, the amount of water is replenished in advance so that the water level is higher than the water level of the water (14) stored together with the beans (13) in the auxiliary pot (lO). With this, the auxiliary pot (10)
By indirectly heating the water (14) inside the inner pot (5) at the bottom and circumferential side, it is possible to reduce the temperature difference between the water temperature at the bottom and the water temperature above, and also to heat the beans. It can prevent the water for boiling from boiling and prevent the beans from losing their shape.

In addition, in the above embodiment, it is preferable to install a water level gauge on the main body (1) so that the water level of the water (11) in the space (A) in which the auxiliary pot (10) is indirectly heated can be visually observed from the outside. A replenishment port may be provided so that water (11) can be replenished from the outside.

[Effects of the Invention] As described above, according to the present invention, the auxiliary pot for boiling beans, which has a flange that can be locked to the step formed at the opening edge of the inner pot, is loosely fitted into the inner pot. The heat from the heater is transmitted to the bottom and peripheral side of the auxiliary pot through the water stored in the space formed between the auxiliary pot and the inner pot, so it is easy to boil beans. It becomes possible to reduce the temperature difference between the water temperature at the bottom of the water and the water temperature at the top, and
This prevents the water used to boil the beans from boiling, resulting in evenly cooked beans with a good shape.

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing the configuration of an electric rice cooker equipped with a boiled bean cooking function according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of its main parts, and Fig. 3 shows the assembly shown in Fig. 2. A cross-sectional view showing the condition,
Fig. 4 is an enlarged sectional view of the part ■ in Fig. 3, Fig. 5 is an explanatory diagram showing the flow of steam during cooking, and Fig. 6 is Fig. 1 showing the configuration of a conventional electric rice cooker. This is a corresponding diagram. In the figure, (1) is the main body of the rice cooker, (3) is the outer pot, and (5) is the outer pot.
) is the inner pot, (5a) is the flange of the inner pot, (5b) is the stepped part, (9) is the heater, (10) is the auxiliary pot for boiling beans, (10a)
) is the flange of the auxiliary pot for boiling beans, (12) is water, (A),
(B) is space. In each figure, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Claims] A rice cooker body, an outer pot fixedly installed in the main body, a heater installed at the bottom of the outer pot, and a flange that can be locked to the opening edge of the outer pot, An auxiliary pot for boiling beans, which has an inner pot that is housed and heated by the heater, and a flange that can be engaged with a step formed on an opening edge of the inner pot, and that is loosely fitted into the inner pot. and a boiled bean cooking function characterized in that the heat from the heater is transmitted to the auxiliary pot through water stored in a space formed between the auxiliary pot and the inner pot. Equipped with an electric rice cooker.