JPH04338416A - Rice cooking jar - Google Patents

Abstract

PURPOSE:To obtain a rice cooking jar which does not leak rice even when there is a lot of rice therein and can compactly be combined with other cooking tools and stacked by providing a control chamber and a cooking chamber in the horizontal direction and constituting a nearly square box type body opened at the front face and a tray type bowl. CONSTITUTION:A body 1 is composed of side plates 1a, back face plates 1b, and partition plates 1c surrounding upper and lower and right and left and formed to be of a square type having the same bottom dimensions with a refrigerator and the opened front. A partition plate 1c divides the inside of body into two right and left chambers for a control chamber R1 and a rice cooking chamber R2. A holder 2 is common to an outer bowl and a heat-insulating plate. A tray type inner bowl 3 has the molded square shallow bottom. When pulling to the one's side with the handle 2a of the holder 2, the holder 2 is conducted by a guide 1d and smoothly drawn from the rice cooking chamber R2 to the front face of the body 1. The guide 1d locks the holder 2 at a certain position to prevent it from slipping off. When the guide 1d is unlocked, the holder 2 can be removed from the body 1.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a jar rice cooker.

0002

2. Description of the Related Art FIG. 6 is an explanatory diagram of the structure of a conventional jar rice cooker.

In FIG. 6, 1 is a main body, 2 is an outer pot, 3 is an inner pot, 4 is a bottom heater, and 5 is a temperature sensor. Main body 1,
Both the outer pot 2 and the inner pot 3 are formed into a substantially cylindrical shape, and the outer pot 2 has a holding function for the inner pot 3 and a heat shielding function for blocking heat. 15 is an outer lid, 16 is a hinge, and 18 is an inner lid. The inner cover 18 is removably attached to the outer cover 15, and the outer cover 15
The upper surface of the main body 1 is opened by rotating the main body 1 about the hinge 16 as a fulcrum.

In the conventional jar rice cooker having such a structure, the inner pot 3 is taken out and filled with polished rice and water up to the water level line, and then stored in the main body 1 from above. After storing the inner pot 3,
A reservation time for cooking and a rice cooking menu are set by operating an operation unit (not shown). When the reserved rice cooking start time arrives, the bottom heater 4 is energized by the control section to heat the inner pot 3. When the temperature detected by the temperature sensor 5 reaches the rice cooking end temperature,
The power supply to the bottom heater 4 is stopped and the rice is cooked at the reserved time. After the rice has been cooked in the inner pot 3, the outer lid 15 is opened as shown by the arrow, and then the rice is served in a bowl and the meal can be started.

[0005]

[Problems to be Solved by the Invention] As described above, the conventional jar rice cooker is provided with a hinge 16 at one end of the upper part of the approximately cylindrical main body 1, and the outer lid 15 rotates around this hinge 16 as a fulcrum. It is configured to be open. After opening the outer lid 15, the inner pot 3 can be taken in and out above the main body 1. Therefore, a certain amount of extra space is required above the main body 1, which poses a problem in the layout of the kitchen and in combination with other cooking appliances. Also,
When the amount of rice cooked in the cylindrical inner pot 3 increases, there are problems such as the rice cooked near the bottom of the pot may be crushed by the weight added from above, reducing the quality. there were.

[0006] This invention was made in order to solve the problems of the conventional jar rice cooker as described above, and it prevents the rice grains from being crushed even when a large amount of rice is cooked, and moreover, it can be compactly assembled with other cooking appliances. The purpose is to realize a jar rice cooker that can be stacked together.

[0007]

[Means for Solving the Problems] The present invention has an approximately rectangular box-shaped main body with an operating chamber and a rice cooking chamber horizontally provided and an open front, and a main body that is retractably housed in the front of the cooking chamber of the main body and has an inner bottom surface. a holder in the shape of a substantially rectangular cylinder with a bottom and provided with a heating means, a tray-shaped pot removably placed on the holder and heated by the heating means and having a lid, and an operation means and a control means provided in the operation room. This constitutes a jar rice cooker equipped with an operation section provided with.

[0008] Furthermore, the jar rice cooker is configured such that at least the width of the main body is selected to be approximately equal to that of other cooking appliances, etc., so that it can be stacked on the cooking appliances, etc.

[0009] Furthermore, a jar rice cooker is constructed in which a plurality of holders on which pots are placed are arranged horizontally in a rice cooking chamber. Furthermore, the jar rice cooker is configured in which a plurality of pots have different capacities.

0010

[Operation] Fill a tray-shaped pot with polished rice and water up to the water level, close the lid, pull out the holder from the front of the main unit, and place the pot on top of it. Slide the holder with the pot on it into the main body, then turn on the power. Set the rice cooking menu, etc. by operating each operation key on the operation section located next to the main body. When the rice cooking key is pressed, the rice cooking heater is energized and generates heat, heating the pot and starting rice cooking.

[0011] As the rice cooking progresses and the water in the pot boils and reaches the cooking end temperature, the electricity to the rice cooking heater is stopped and the rice is cooked after the steaming process. The pot containing the cooked rice and the lid is pulled out from the main body along with the holder, placed on the dining table, the lid is removed, and the cooked rice is served on the table. For example, a microwave oven is placed on the main body of the jar rice cooker, and the rice cooker is stacked and installed on a microwave stand, cooking table, or refrigerator.

0012

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 and 2 are diagrams illustrating the configuration of an embodiment of the present invention, in which FIG. 1 is a longitudinal cross-sectional view, FIG. 2 is a cross-sectional view, and FIG. 3 is an explanatory diagram of an installed state of the embodiment of the present invention. In FIGS. 1 to 3, parts that are the same as or corresponding to those of the conventional example are given the same reference numerals, but most of them have different structures, so they will be explained in more detail.

In FIGS. 1 and 2, 1 is the main body of the jar rice cooker. The main body 1 consists of a side plate 1a surrounding the top and bottom, a back plate 1b, and a partition plate 1c, and in the embodiment, it is formed in the shape of a square box with a bottom area approximately the same size as a refrigerator and an open front. The partition plate 1c divides the interior of the main body 1 into two chambers on the left and right, which constitute an operation chamber R1 and a rice cooking chamber R2. Main body 1
is molded from a hard resin, and although not shown in the figure, reinforcing materials such as pillars are embedded in the vertical direction to prevent it from deforming due to weight or heat.

2 is a holder housed in the rice cooking chamber R2 of the main body 1, and 3 is an inner pot. The holder 2 serves both as an outer pot and a heat shield, and the inner pot 3 is formed into a tray-like rectangular shape with a shallow bottom. 1d is a rail-shaped guide provided in the rice cooking chamber R2, and 2a is a handle of the holder 2. When the handle 2a is held and pulled toward the user, the holder 2 is guided by the guide 1d and is smoothly pulled out from the rice cooking chamber R2 to the front of the main body 1. The guide 1d locks the holder 2 at a fixed position to prevent it from falling off, and the holder 2 can be removed from the main body 1 by unlocking the guide 1d. In addition, a water level line 3a indicating the amount of water corresponding to the amount of rice is engraved on the inner surface of the inner pot 3, and a coating layer of an anti-affinity substance such as Teflon (trade name) is formed on the surface of the holder. 2 and is accommodated so that it can be pulled out integrally from inside the main body 1.

4 is a rice cooking heater that heats the inner pot 3, and 5 is a temperature sensor. The temperature sensor 5 is applied with upward spring pressure by a spring and comes into contact with the bottom surface of the inner pot 3 to detect the cooking temperature. 6 is a cord reel, 7 is a power cord, and 8 is a plug. The power cord 7 is wound around a cord reel 6 and stored in the main body 1, and the plug at the end of the pulled out power cord 7 is connected to an outlet to supply power.

9 is a printed circuit board. Printed circuit board 9
consists of a main board 9a and a sub board 9b, both boards 9.
a and 9b are connected in the right angle direction by a connector and are provided in the operation chamber R1 of the main body 1. Among the electronic components mounted on the main board 9a, a one-chip microcomputer 10 having a CPU, timer, and memory functions is installed to control the rice cooking operation.

Reference numeral 11 indicates a plurality of indicators (see also FIG. 3 below) attached to the sub-board 9b, and 12 indicates various switches for operation. Further, 13 is an operation section provided corresponding to the sub-board 9b, and 14 is an operation sheet. A translucent display window and flexible keys are formed on the operation sheet 14, and the display 11 and the switch 1 can be accessed through a through hole provided on the side of the main body 1.
It is facing 2. Display device 1 installed inside the display window
1 uses an LED display that flashes light and a liquid crystal display that displays numbers. For example, a 7-segment liquid crystal display is used to display the reserved time and current time in numbers, and the LED display displays cooking operations, high heat, low heat, etc. by color.

18 is an inner lid. In addition, although not particularly shown, a steam cylinder is attached to the side surface of the main body 1, and water vapor evaporated by heating during rice cooking is released to the atmosphere through the steam cylinder. Further, a sliding contact is provided at the contact portion between the guide 1d and the holder 2, and the sliding contact and the conductive wire connect the holder 2.
The rice cooking heater 4 and temperature sensor 5 attached to the main board 9
It is electrically connected to a. 21 is pot 3
22 is rice, and 24 is legs provided at the four corners of the bottom of the main body 1. Further, 31 in FIG. 3 is a refrigerator, and 32 is a microwave oven.

The operation of reservation rice cooking in the embodiment of the present invention having the above-described configuration will be explained next. First, measure rice 22 using the attached measuring cup and put it in a bowl to grind the rice. After transferring the polished rice 22 into the tray-shaped inner pot 3,
Fill water 21 up to the water level line 3a corresponding to the measured amount of rice and cover with the inner lid 18. Grasp the handle 2a, pull out the holder 2 to the front of the main body 1, place the inner pot 3 on it, and then move the holder 2 onto the main body 1.
, and then turn on the power switch 12 of the operation unit 13. At this point, the main board 9b and the sub board 9b are electrically connected to the power supply via the cord reel 6 and the above-mentioned sliding contacts, and become operational. Next, while looking at the display on the display 11 of the operation unit 13, the user operates keys to reserve a meal time. Next, another operation key on the operation unit 13 is operated to set the rice cooking menu and the like.

When the reserved rice cooking start time arrives, the timer of the microcomputer 10 starts cooking, and the rice cooking heater 4
is energized. When the rice cooking heater 4 is energized, it generates heat and radiant heat is transmitted to the inner pot 3, increasing the temperature of the water 21 inside. When the rice cooking progresses and the water boils to reach the cooking end temperature, the temperature sensor 5 is activated to automatically stop the electricity supply to the rice cooking heater 4, and the rice is cooked after the steaming process.

Thereafter, when the holder 2 is pulled out from the main body 1, the aforementioned locking function of the guide 1d is activated, and the holder 2 is fully pulled out and held in a horizontal state. In this state, the inner lid 18 is removed and the cooked rice is served. On the other hand, by unlocking the guide 1d, the holder 2 can be removed together with the inner pot 3 containing rice. The removed holder 2 is placed on the dining table, the inner lid 18 is removed, and rice is served in the bowl in the same manner as above. As shown in FIG. 3, the main body 1 of the jar rice cooker of the present invention is placed on a combination type refrigerator 31 with a rather short height, and a microwave oven 32 is placed on top of the refrigerator 31 so that it can be stacked. There is.

FIGS. 4 and 5 are explanatory diagrams of a second embodiment of the present invention. The difference from the above embodiment is that a pair of left and right pots consisting of a holder 2, an inner pot 3, a rice cooking heater 4, etc. are provided in the rice cooking chamber R2. This is what is provided. Along with this configuration, although not shown in detail, the operation units 13 are also designed to independently cook rice. In particular, the left and right inner pots 3 have different volumes, with the left one having a small capacity and the right one having a large capacity. Of course, it is also possible to use both inner pots 3 at the same time or at different times to cook the same menu or different menus.

According to this embodiment, "normal rice" and "mixed rice" can be cooked at the same time with one rice cooker.
Being able to sit around the table and eat at the same time makes it extremely homely. Also, when cooking a small amount of rice, using the inner pot 3 on the left side has the advantage of being economical.

[0024] In the above-mentioned embodiments, an electric heating type electric jar rice cooker that heats the rice cooker using radiant heat and cooks rice was explained as an example. The present invention can also be applied to an electromagnetic induction jar rice cooker that cooks rice. In addition, although the case has been described in which the printed circuit board 9 is composed of the main board 9a and the sub board 9b on which a microcomputer is mounted, it is not necessarily necessary to install the microcomputer on the main board 9a side as in the embodiment, and the number of printed circuit boards 9 is The number of sheets is not limited to two as in the embodiment.

[0025]

Effects of the Invention As described above, the present invention has a main body that is approximately rectangular box-shaped with an operating room and a rice cooking chamber in the horizontal direction and an open front, and an interior that is retractably housed in the front of the rice cooking chamber of the main body. A holder in the shape of a rectangular cylinder with a bottom and a heating means provided on the bottom, a tray-like pot removably placed on the holder and heated by the heating means and having a lid, and an operation means and control provided in an operation room. A jar rice cooker is provided with an operation section provided with means.

[0026] Furthermore, the jar rice cooker is configured such that at least the width of the main body is selected to be approximately equal to that of other cooking appliances, etc., so that it can be stacked on the cooking appliances, etc.

[0027] Furthermore, a jar rice cooker was constructed in which a plurality of holders on which the pots were placed were installed horizontally in the rice cooking chamber. Furthermore, a jar rice cooker was constructed in which a plurality of pots had different capacities.

As a result, no space is required above or below the main body 1, and it can be stacked and installed in combination with other cooking appliances. Furthermore, since a tray-shaped pot is used that is shallow compared to its planar area, even if the amount of rice to be cooked is increased, the rice grains will not be crushed at the bottom of the pot. Furthermore, by configuring a plurality of types as in the second embodiment, rice can be cooked with different menus at the same time, and rice can be cooked with less waste.

Therefore, according to the present invention, it is possible to provide a jar rice cooker having various features such as being able to effectively utilize kitchen space.

[Brief explanation of drawings]

FIG. 1 is a longitudinal sectional view of an embodiment of the invention.

FIG. 2 is a cross-sectional view of an embodiment of the invention.

FIG. 3 is an explanatory diagram of the installed state of the embodiment of the present invention.

FIG. 4 is a longitudinal sectional view of a second embodiment of the invention.

FIG. 5 is a cross-sectional view of a second embodiment of the present invention.

FIG. 6 is a longitudinal sectional view of a conventional jar rice cooker.

[Explanation of symbols] 1 Main body, R1 operation room, R2 Cooking room, 2 Holding body (outer pot), 3 Inner pot, 4　Rice cooking heater, 5 Temperature sensor, 7 Power cord, 9 Printed circuit board, 13　Operation unit, 18 Inner lid, 21 Water, 22. Rice.

Claims (4)

[Claims] Claim 1: A substantially rectangular box-shaped main body with an operation chamber and a rice cooking chamber arranged in the horizontal direction and an open front surface; An operation comprising: a holder in the shape of a rectangular cylinder with a bottom; a tray-shaped pot removably placed on the holder and heated by the heating means and having a lid; and an operation means and a control means provided in the operation chamber. A jar rice cooker with a 2. The rice cooker in a jar according to claim 1, wherein at least the width of the main body is selected to be approximately equal to that of other cooking appliances so that the main body can be stacked with the cooking appliances. 3. The jar rice cooker according to claim 1, wherein a plurality of holders on which the pots are placed are arranged horizontally in the rice cooking chamber. 4. The jar rice cooker according to claim 3, wherein the plurality of pots have different volumes.