JP3078582B2 - Jar rice cooker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a jar rice cooker having a function of reducing the stickiness and unpleasant odor of rice during warming.

[0002]

2. Description of the Related Art Conventionally, a jar rice cooker has a function of cooking rice and also has a function of keeping rice cooked for a long time after cooking.

[0003]

However, in the case of a conventional jar rice cooker, when rice is cooked and kept warm, the rice dries over time and becomes sticky or has an unpleasant odor. was there.

An object of the present invention is to solve the above problems and to provide a jar rice cooker capable of minimizing the generation of unpleasant odor and the stickiness of rice during warming. .

[0005]

Rice cooker of the present invention in order to achieve the above object In order to achieve the above, a hollow outer lid for sealing the cooker body openably same hollow outer to the lower end wall portion of the hollow outer cover A plurality of water vapor introduction ports penetrating inside and outside the lid are formed, and a drain port penetrating the inside and outside of the hollow outer lid is formed at the upper end wall portion, and an outer lid formed between the water vapor introduction port and the drain port
The steam and heat generated during cooking rice in the hollow interior
Part of the water is stored and stored, and when the temperature is maintained, the water is stored and stored.
The structure is such that a water retention material that adjusts the temperature and humidity in the rice cooker by the heated moisture and heat is provided. like this
The water-retentive material is, for example, a porous material such as cotton, chemical fiber, silica gel, foamed glass, etc. , and 30% of its own weight.
Water retention materials capable of holding more than water can be used
You.

Further, between the hollow outer lid and the upper surface of the opening of the rice cooker main body.
And a plurality of water vapor vent holes that penetrate inside and outside the rice cooker body
The inner lid forming the is arranged and formed on this inner lid
The plurality of water vapor vent holes and the plurality of water vapor inlets provided in the outer lid are formed at positions relatively displaced from each other,
Further, a water receiver may be provided on the inner lid.

Further, the water-retentive material may be mounted in the hollow interior of the outer lid and removably loaded therein.

[0008] Furthermore, substances having a deodorizing action of the water-holding material, e.g., materials having active carbon-containing fibers, or consist zeolite preparative containing fibers, or a deodorizing function during water retention material layer, for example granular activated carbon, silica gel may be added zeo <br/> line bets like.

[0009]

According to the present invention, water vapor generated by cooking rice is charged into the hollow interior of the outer lid from a plurality of water vapor inlets formed in the lower end wall of the hollow outer lid. Arrangement
It is guided to the water retention material being. Steam guided into the water-holding material rises so as to sew substances spaces of a water-holding material, sequentially moving toward the drain outlet. The water vapor is collected as condensed water by the water retention material while passing through the water retention material between the water vapor introduction port and the drain port, and part of the heat taken from the water vapor is stored. The moisture and heat collected and stored in the rice cooker moderately adjust the temperature and humidity inside the rice cooker at the time of keeping the temperature, so that the thickness of the rice can be reduced.

In addition, the position of the water vapor vent hole of the inner lid and the position of the water vapor inlet of the outer lid are shifted, and a water receiver is provided on the hollow outer lid, so that the rice cooked rice does not touch the water-retentive material. Moreover, it is possible to prevent excess water condensed by the water retention material from returning to the rice through the water vapor vent hole.

[0011] By making the water retention material easily detachable from the hollow outer lid, the water retention material becomes dirty.
The material can be replaced or washed with water or the like.

By imparting a deodorizing effect to the water-retentive material or by adding a substance having a deodorizing effect to the water-retentive material layer, it is possible to suppress an unpleasant odor of rice generated during heat retention.

[0013]

An embodiment of the present invention will be described below with reference to the drawings. In FIG. 1, reference numeral 1 denotes a rice cooker main body, 2 denotes an inner pot stored in the rice cooker main body 1, 3 denotes rice cooked in the inner pot 2, and 4 denotes an inner bottom portion of the rice cooker main body 1. A heater for rice cooking and heat retention, 5 is a power cord, 6 is a stopper for an inner lid, and 7 is an inner lid that covers the upper surface of the opening of the rice cooker main body 1.

Numeral 10 seals the rice cooker body 1 so that it can be opened and closed freely.
A hollow outer cover, 8 is a water-retentive material partition plate as a lower end wall of the hollow outer cover 10, 9 is a packing provided between the partition plate 8 and the upper surface of the inner cover 7, and 11 is a hollow outer cover of the rice cooker main body 1. Lid 1
0 is a hinge for fixing, 12 is water vapor, 13 is a hollow outer lid 1
Is formed on the upper end wall of 0, drainage port for discharging the steam 12 generated in the external, the partition in the hollow outer cover 10 is 18
These are steam inlets formed at a plurality of locations on the plate 8 .

Reference numeral 14 denotes the drain 13 and the steam inlet 18
The water-retentive material 17, which is disposed all over the hollow inside of the outer lid 10 formed therebetween, is formed at a plurality of locations of the inner lid 7 , and the generated steam 12 is transferred from the inner pot 2 to the hollow outer lid 10. It is a steam vent hole to be discharged.

The operation of the jar rice cooker constructed as described above will be described. When a proper amount of rice and water stored in the inner pot 2 are heated by the heater 4, that is, in a so-called rice cooking state, the rice is heated. The generated water vapor 12 passes through the water vapor vent hole 17 of the inner lid 7 and serves as a lower end wall of the hollow outer lid 10 .
The water vapor inlet 18 formed in the water retaining material partition plate 8
And penetrates into the hollow outer lid 10. Inside hollow outer lid 10
The water vapor that has infiltrated into the inside of the outer lid 10
When passing through the water-retentive material 14, which is a layer of water-retentive material containing , for example, cotton, a part of the water-retentive material is condensed and retained in the water-retentive material as moisture. In addition, heat is also partially stored in the water retention material. The retained moisture and heat have the effect of eliminating evaporation of moisture from the rice surface during the heat retention after the completion of rice cooking and reducing the thickness of the rice during the heat retention.

In this embodiment, as the water-retaining material, a porous material using cotton, a chemical fiber, a polymer absorber and the like are effective. The amount of use of these water retention materials may be determined experimentally based on the type of the rice cooker main body 1 and the amount of steam discharged.

As described above, at least under the hollow outer lid 10
A plurality of water vapor inlets 18 formed in the end wall portion, and a water retaining material disposed in the hollow interior of the outer lid 10 following the plurality of water vapor inlets 18.
Charge 14, further With hollow outer lid of outside <br/> portion forming the upper wall portion of the 10 water outlet 13 and the rice cooker provided with the part of the steam and heat generated during cooking When the temperature is kept warm, it is possible to effectively prevent the rice from sticking due to evaporation of water from the surface of the rice.

FIG. 2 shows another embodiment of the present invention. In this figure, portions having the same configuration and operation as those of the above embodiment are denoted by the same reference numerals, and the description thereof will be omitted to avoid duplication. In FIG. 2, 15 is the hollow outer lid 1
A water retention material support provided on the lower end wall having a water vapor inlet 18 of zero, and 16 is a water receiver provided on the upper surface of the inner lid 7. Further, in this embodiment, the water vapor vent hole 17 of the inner lid 7 and the water vapor inlet 18 formed in the lower end wall of the outer lid 10 are formed at positions relatively displaced from each other.

The operation of the jar rice cooker constructed as described above will be described. An appropriate amount of rice and water put into the inner pot 2 during cooking is heated by the heater 4 to generate steam 12 and simultaneously boil. I have a problem. The water vapor and the water are discharged to the outside of the inner pot 2 through the water vapor vent hole 17 of the inner lid 7. At this time, the lower end wall of the hollow outer lid 10
By displacing the formed water vapor inlet 18 from the water vapor vent hole 17, the asbestos flows toward the water receiver 16 without directly touching the water retention material. The generated steam 12 is guided to the water retention material 14 in the hollow outer lid 10 through the steam inlet 18. At this time, the condensed water that could not be held by the water retention material 14 flows into the water receiver 16 so as not to return to the inner pot 2 again, and is held.

As described above, according to the structure of this embodiment, the rice surface is not sticky due to degradation of the water-retentive material due to rice and return of condensed water. The partition plate 8 forming the lower end wall of the hollow outer lid 10 has a shape.
The opening area of the plurality of water vapor inlets 18 formed is 60 times the area of the entire partition plate in order to increase the effect of the water retention material.
It is necessary to open more than%. The constituent material of the partition plate 8 is not particularly limited, and a porous material, a punched metal, a wire mesh, a heat-resistant plastic material, or the like can be used.

[0022] Incidentally, FIG. 1, in each of the embodiments shown in FIG. 2, the material having a deodorizing effect and water retention in water retention material 14, for example, those having a deodorizing effect either, or a water retention material itself added activated carbon For example, a jar rice cooker with a deodorizing function capable of reducing unpleasant odor while reducing the stickiness of rice at the time of warming can be realized by using, for example, an activated carbon-containing chemical fiber.

[0023]

As described above, according to the present invention, a hollow outer lid for opening and closing the rice cooker body is freely opened and closed, and the lower end wall of the hollow outer lid penetrates into and out of the hollow outer lid. to thereby form a plurality of steam inlet, to form a water outlet penetrating the inside and outside of the hollow outer lid to the upper end wall, the hollow interior of the outer lid formed between the steam inlet and water outlet Departure when cooking
Some of the generated water vapor and heat are retained, stored, and kept warm.
The water inside the rice cooker due to its water retention, stored moisture and heat
A large amount of water-retaining material is used by using the large space of the hollow outer lid because the structure is made of a water-retaining material that adjusts humidity and humidity.
Can be provided, and steam generated during cooking rice
Can reliably and partially retain water and heat for a long time
At the time of heat retention, the stored moisture and heat
The temperature and humidity inside the rice cooker body are almost constant for a long time
It can be adjusted, so when warm
To reduce the stickiness of rice due to water evaporation
it can.

Further, this hollow outer cover is attached to the lower end wall of the hollow outer cover.
There are multiple water vapor inlets penetrating inside and outside the lid
So through these multiple steam inlets the hollow outer lid
Steam that is entirely uniform between the water retention material inside the rice cooker body
And heat can be circulated.
Water and heat storage are performed uniformly and in large quantities throughout the hollow outer lid
Moisture and heat stored in the water retention material
Can be sent evenly over the rice cooker
Adjust the temperature and humidity inside the rice cooker smoothly and reliably
be able to.

Further, when according to claim 2, a hollow outer lid
Penetrate the inside and outside of the rice cooker body between the upper opening of the rice cooker body
Arrange the inner lid forming a plurality of water vapor vent holes,
The inner lid is provided with the plurality of water vapor vent holes and the outer lid.
A plurality of water vapor inlets are formed at positions relatively displaced from each other, and a water receiver is provided on the inner lid. Water that enters and is condensed by the water-retentive material and cannot be retained is prevented from returning to the inner pot, so that delicious rice can be cooked.

According to the third aspect, since the water-retentive material is mounted in the hollow interior of the outer lid so as to be freely detachable, the water-retentive material mounting unit is easily removed, and the water-retentive material is washed with water or the like. It can be replaced or replaced and is hygienic.

According to the fourth or fifth aspect, the water-retaining material is composed of a substance having a deodorizing effect, or a substance having a deodorizing function is added to the water-retaining material layer. And the unpleasant odor can be reduced at the same time.

[Brief description of the drawings]

FIG. 1 is a sectional view of a jar rice cooker showing one embodiment of the present invention,

FIG. 2 is a sectional view of a jar rice cooker showing another embodiment of the present invention .

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rice cooker main body 7 Inner lid 8 Upper end wall part of outer lid (water-retentive material partition plate) 10 Outer lid 13 Drainage port 14 Water-retentive material layer 16 Water receiver 17 Water vapor vent hole 18 Water vapor inlet

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-149224 (JP, A) JP-A-60-185514 (JP, U) JP-A-2-112216 (JP, U) (58) Investigation Field (Int. Cl. ⁷ , DB name) A47J 27/00 103

Claims (5)

(57) [Claims] 1. A hollow outer lid for sealing a rice cooker body so as to be openable and closable, and a plurality of water vapor inlets penetrating into and out of the hollow outer lid at a lower end wall of the hollow outer lid, and an upper end wall. A drain port is formed in the portion to penetrate the inside and outside of the hollow outer lid, and the inside of the hollow of the outer lid formed between the steam introduction port and the drain port is formed .
Section retains some of the water vapor and heat generated during rice cooking.
Water, heat storage and water retention during heat retention
A jar rice cooker with a water retention material that adjusts the temperature and humidity inside the rice cooker with heat and heat . 2. The method according to claim 1, wherein the outer lid and the upper surface of the opening of the rice cooker main body are provided between
Multiple steam vent holes penetrating inside and outside the rice cooker body
A part in which the plurality of water vapor vent holes of the inner lid and the plurality of water vapor inlets provided in the outer lid are relatively displaced. 2. The jar rice cooker according to claim 1, wherein the jar rice cooker is further provided with a water receiver. 3. The water-retentive material is mounted inside the hollow interior of the outer lid,
The jar rice cooker according to claim 1, wherein the jar rice cooker is removably mounted. 4. The jar rice cooker according to claim 1, wherein the water retention material is made of a substance having a deodorizing effect. 5. The jar rice cooker according to claim 1, wherein a substance having a deodorizing function is added to the water retention material layer.