JP3509614B2 - Electric rice cooker - Google Patents

Description

Detailed Description of the Invention

[0002]

TECHNICAL FIELD OF THE INVENTION

The present invention relates to an electric rice cooker, and more particularly to an electric rice cooker capable of easily draining water when washing rice in an inner pot.

[Prior art]

Generally, an electric rice cooker is composed of a rice cooker body for accommodating an inner pot so that it can be taken out freely, a heating means for heating the inner pot, and a lid of the rice cooker body.
On the inner peripheral surface of the inner pot, a film formed by fluorine treatment was formed in order to prevent stickiness of cooked rice.

When the strength of the fluorinated film was insufficient, washing rice in the inner pot was prohibited, but now that the strength of the fluorinated film has improved, the inner pot is removed from the rice cooker body. It is becoming common to wash rice in the inner pot with it removed.

[Problems to be Solved by the Invention]

[0006] In the above washing rice, a predetermined amount of rice is put in an inner pot and water is poured and washed by hand. However, after the rice is washed, the dirty water is discharged, and water is poured again for washing. The work is repeated.

Conventionally, at the time of draining after washing rice,
A method of discharging only dirty water by simply tilting the inner pot is adopted, but there was a risk that rice grains would flow out together with the dirty water. In order to prevent the rice grains from flowing out, there is a method of discharging dirty water while manually blocking the rice grains, but there is a problem that skill is required.

The present invention has been made in view of the above points, and an object of the present invention is to make it possible to easily and easily drain water when washing rice in an inner pot.

[Means for Solving the Problems]

According to the first aspect of the present invention, as means for solving the above-mentioned problems, a rice cooker main body for accommodating the inner pan so that it can be taken out freely, a heating means for heating the inner pan, and a lid for the rice cooker main body. And an electric rice cooker detachably attached to the lower surface of the lid so as to face the opening of the inner pot, at least an outer peripheral portion of the rice cooker lid, A plurality of holes having a size that does not allow rice grains to pass through are formed, and when washing rice in the inner pot with the inner pot taken out from the rice cooker main body, the rice cooker lid is used to cover the rice cooker lid. The plurality of holes are used as drain holes by removing them from the inner pot and opening them in the inner pot.

With the above construction, at the time of washing rice, the rice cooker lid, which is an existing part of the electric rice cooker, can be removed from the lid body and fitted into the opening of the inner pot or the inner pot. Draining can be performed easily and easily from the plurality of holes formed in the rice cooker lid.

As in the invention of claim 2, claim 1
In the electric rice cooker described in the above, in the case where the inner peripheral surface of the inner pot is formed with a mounting portion such as a ridge or a step portion which is located above the full water display portion and in which the rice cooker lid is fitted and mounted. The rice cooker lid can be easily positioned in the inner pot simply by inserting the rice cooker lid into the placing portion and placing the rice cooker upon washing the rice.

As in the invention of claim 3, claim 1
Alternatively, in the electric rice cooker according to any one of 2,
When the plurality of holes are formed so as to be concentrated in a part of the rice cooker lid, the direction in which the inner pot is inclined at the time of washing the rice is limited, but the number of holes is small and the number of processing steps is reduced. In addition, the amount of heat radiated from the inner pot through the holes can be reduced during rice cooking and heat retention.

As in the invention of claim 4, claim 3
In the electric rice cooker described, when the rice cooker lid is provided with a closing member that closes or opens the plurality of holes, the holes can be opened during rice washing, and the holes can be closed during rice cooking and heat retention. It is possible to further reduce the amount of heat radiated from the inner pot through the holes during rice cooking and heat retention.

In a fifth aspect of the invention, as means for solving the above-mentioned problems, a rice cooker main body for accommodating an inner pan so that it can be taken out freely, a heating means for heating the inner pan, and a lid for the rice cooker main body. In the electric rice cooker equipped with a radiator plate detachably attached to the lower surface of the lid and having a plurality of steam holes, the steam holes have a size such that rice grains do not pass through, When washing rice in the inner pot with the inner pot removed, remove the heat dissipation plate from the lid and place it on the opening of the inner pot to use the steam hole as a drain hole. I have to.

With the above-mentioned structure, the radiator plate, which is an existing component of the electric rice cooker, is simply and simply placed on the opening of the inner pot when washing rice, and the steam holes formed in the radiator plate can be easily and easily used. It can be drained.

In a sixth aspect of the invention, as means for solving the above-mentioned problems, a rice cooker main body for accommodating an inner pan so that it can be taken out freely, a heating means for heating the inner pan, and a lid for the rice cooker main body. In the electric rice cooker equipped with, a plurality of drain holes having a size that does not allow rice grains to pass are formed at a position above the full water display portion in the inner pot, and the rice cooker
Drain the water while the inner pot is stored in the vessel body.
A seal member is provided to seal the hole .

With the above construction, when washing rice, only dirty water can be easily discharged from the drain hole by simply tilting the inner pot, and when cooking rice and when cooking rice.
Seal the drain hole with a sealing member when keeping warm.
This will ensure that steam and hot air will not leak.
It

According to an eighth aspect of the invention, as means for solving the above-mentioned problems, a rice cooker main body for accommodating an inner pan so that it can be taken out freely, a heating means for heating the inner pan, and a lid for the rice cooker main body. In the electric rice cooker provided with, the inner pot is integrally formed with an annular convex portion or an annular upward step portion that is located above the full water display portion and is convex inward, In a state where it is stored, the inner pot is configured to be sealed by pressing a seal packing provided on the lid body against the annular convex portion or the annular upward step portion, and the inner pot is A plurality of draining holes of a size that does not allow rice grains to pass through are formed in the opening located above the sealing portion of the inner pot.

With the above construction, when the rice is washed, only by tilting the inner pot, the rice grains are caught in the annular convex portion or the annular upward step, and only dirty water is easily discharged from the drain hole. The Rukoto. That is, the water can be drained more reliably.

In a ninth aspect of the invention, as means for solving the above-mentioned problems, a rice cooker main body for accommodating an inner pan so that it can be taken out freely, a heating means for heating the inner pan, and a lid for the rice cooker main body. In the electric rice cooker including the above, a handle is provided at the opening of the inner pot, and a drainer is formed at a portion protruding from the opening of the inner pot of the handle.

With the above construction, when washing rice, it is possible to easily drain only dirty water from the drainer formed on the handle by simply tilting the inner pot toward the handle, and thus electric rice cooking. Draining can be performed by effectively using the handle, which is an existing part of the vessel.

[0022] As in the invention of claim 1 0, Claim
9. In the electric rice cooker according to 9 , when the handle is formed with a surface projecting upward continuously with the opening of the inner pot, water can be drained smoothly during rice washing.

[0023] As in the invention of claim 1 1, claim
In 9 and 1 electric cooker according to any one claim of 0, the handle, the attitude projecting upwardly from and the inner bowl opening has a predetermined circumferential width, said inner bowl opening and an upper surface When it is movable so that it is flush with or stored in a lower position, the handle should be projected above the opening of the inner pan when washing rice, and the handle should be stored when cooking rice or keeping warm. As a result, the handle can be effectively used and does not interfere with the storage of the inner pot in the rice cooker body.

[0024] As in the invention of claim 1 2, in claim 1 1 electric cooker according, the handle, when the vertically movable, only by vertically moving the handle,
It can be used when draining water and when storing the inner pot.

[0025] As in the invention of claims 1 to 3, in claim 1 1 electric cooker according, the handle, when freely arc pivoted by the handle only by arc rotated, draining when the inner pot It can correspond to when stored.

[0026] In the invention of claims 1 to 4, as a means for solving the above problems, and rice cooker body for accommodating the inner pot extraction freely, a heating means for heating the inner bowl, the rice cooker main body lid In an electric rice cooker comprising a body and a Shamoji receiver having a Shamoji storage portion for positioning and storing the Shamoji, the Shamoji receiver has a disk shape that can be stored in the inner pot through a gap that does not cause rice grains to spill. At the same time, a large number of drain holes having a size that does not allow rice grains to pass through are formed at least in the outer peripheral portion of the chamoji receiver.

With the above-described structure, when washing rice, only the dirty water can be easily drained from the drain hole formed in the chamoji receiver by simply storing the chamoji receiver in the inner pot.

[0028] As in the invention of claims 1 to 5, in claim 1 4 electric cooker according, the paddle receiving,
When the material is made of a material having a smaller specific gravity than water, the chamomile receiver can be floated on the water, and the amount of water can be easily confirmed by the crossing position of the outer peripheral edge of the chamomile receiver and the inner peripheral surface of the inner pot.

DETAILED DESCRIPTION OF THE INVENTION

Hereinafter, some preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

First Embodiment FIG. 1 shows an electric rice cooker according to a first embodiment of the present invention.

This electric rice cooker has an inner pot 3 for cooking rice inside.
The rice cooker main body 1 having a double structure and having a space 4 and a lid body 2 for opening and closing the upper opening of the rice cooker main body 1 are provided.

The rice cooker body 1 has a body portion 5 serving as an outer wall.
an outer case 5 made of a synthetic resin integrally molded product having a and a bottom portion 5b serving as a bottom wall, a synthetic resin bottomed cylindrical protective frame 6 serving as an inner peripheral wall, and an upper end of the protective frame 6 and It is configured by a shoulder member 7 made of synthetic resin that is joined to the upper end of the outer case 5, and the space 4 is formed by being surrounded by the outer case 5, the protective frame 6 and the shoulder member 7. In addition,
The inner pot 3 is housed in the protective frame 6 in a removable manner.

A sensor hole 9 is formed in the central portion of the bottom surface of the protective frame 6 so as to face the center sensor 8 acting as a temperature detecting means. .

An annular electromagnetic induction coil (hereinafter referred to as a work coil) 10 that surrounds the sensor hole 9 and acts as a heating means during rice cooking is provided on the bottom surface of the protective frame 6 and from the bottom surface to the side peripheral surface. It is arranged corresponding to the curved portion of. The work coil 10 for cooking rice is for generating an alternating magnetic field, generates an eddy current which is an induced current in the inner pot 3 by electromagnetic induction of the alternating magnetic field, and heats by using resistance heat of the eddy current. It is supposed to do. The inner pot 3 is made of a material (for example, a magnetic material) that allows the work coil 10 to generate an eddy current.

The work coil 10 includes a coil die 11 fixed to the bottom surface of the protective frame 6 and the protective frame 6.
It is sandwiched between the bottom and the bottom. Reference numeral 12 denotes a ferrite core, which has a function of blocking the magnetism of the work coil 10 so as not to affect a device existing below.

A center sensor 8 is provided in the sensor hole 9 so as to be in contact with the bottom of the inner pot 3. Further, on the side peripheral surface of the protection frame 6, a heat retention heater 13 that acts as a heating means during heat retention is attached.

At the bottom of the rice cooker body 1 (that is, the bottom 5b of the outer case 5), electronic components such as a power transistor and a rectifying diode bridge (not shown) for controlling energization of the work coil 10 are provided. An electronic component cooling fan 14 that pumps cooling air is provided. An air inlet 15 is formed on the bottom wall of the rice cooker body 1 (specifically, the bottom portion 5b of the outer case 5) so as to face the electronic component cooling fan 14.

On the other hand, the lid 2 is composed of a synthetic resin upper plate 16 forming an outer surface and a synthetic resin lower plate 17 forming an inner surface.
A heat insulating material 19 is disposed in the space portion 18 surrounded by.

The lid 2 is attached to the rice cooker main body 1 through a hinge unit 20 formed on one side of the shoulder member 7 so as to be arc-rotatably and detachably attached.

At the center of the lid body 2, there is formed a cylinder portion 21 which is vertically provided from the upper plate 16. Inside the cylinder portion 21, steam generated during rice cooking is discharged to the outside. Steam cap 2 having a steam discharge passage 22 for
3 is detachably attached. In the steam cap 23, a ball valve 24 which acts as a pressure regulating valve is arranged.

At the lower end of the steam cap 23, a heat radiating plate 25 made of a good heat conductor (for example, aluminum alloy) is attached to seal the opening 3a of the inner pot 3 when the lid 2 is closed. . That is, the heat dissipation plate 25 is detachably attached to the lid body 2 via the steam cap 23. Reference numeral 26 is a steam inlet to the steam cap 23, 27 is a steam outlet from the steam cap 24, 28 is a steam hole formed in the radiator plate 25, 29 is a peripheral edge of the radiator plate 25 and the opening 3a of the inner pot 3.
Seal packing for sealing the gap between the
It is a seal packing that seals between the cover and the lower plate 17 of the lid.

A shoulder heater 31 is provided on the shoulder member 7, and an outer peripheral edge of the heat radiating plate 25 is pressed against the shoulder heater 31 when the lid 2 is closed, and the heat radiating plate 25 is shouldered. It is supposed to be heated by heat conduction from the heater 31. The shoulder heater 31 includes a heater ring 32 having an inverted U-shaped cross section and a heating element 3 disposed in the heater ring 32.
It consists of 3.

Further, the lid 2 is located inside the heat sink 25, and inside the opening 3a of the inner pot 3 with a space 34 interposed therebetween. A rice cooker lid 35 made of a good heat conductor is provided so as to face the inner pot 3 and the outer periphery of the inner pot 3 is supported close to the inner peripheral face of the inner pot 3. The rice cooker lid 35 is attached to a seal packing 37 that is detachably fitted to a support shaft 36 that projects downward from the center of the steam cap 23. That is, the rice cooker lid 35 is detachable from the steam cap 23 via the seal packing 37 (in other words,
It is detachable from the lid body 2).

With this structure, the heat conducted from the shoulder heater 31 and radiated from the heat radiating plate 25 at the time of heat retention is the air existing in the space 34 between the heat radiating plate 25 and the rice cooker lid 35. It is transmitted to the rice cooker lid 35 through the layers and then radiated to the surface of the rice in the inner pot 3. Therefore, compared with the case where the heat is dissipated directly from the heat dissipation plate 25 to the surface of the rice, the heat dissipation is softened, and the yellowing and drying of the surface of the rice are prevented. In addition, rice cooker lid 3
The dew condensation on 5 is prevented by the heat transfer from the heat dissipation plate 25. Also, the steam generated during rice cooking is the rice cooker lid 3
Since it passes through the space 34 between the rice cooker lid 35 and the heat dissipation plate 25 from the outer circumference of 5, passes through the steam hole 28, the steam inlet 26, the steam cap 23, and the steam outlet 27, it is discharged to the outside. The steam discharge path becomes longer, and spillage can be reduced. Furthermore, the opening 3a of the inner pot 3
Since the rice cooker lid 35 is provided so as to face further inward, the air layer between the surface of the rice in the inner pot 3 and the rice cooker lid 35 can be reduced, and the heat retention effect is improved. It will be. Moreover, since the outer peripheral edge of the rice cooker lid 35 is positioned below the shoulder heater 31, the heat from the shoulder heater 31 is transferred to the upper portion of the inner pot 3, but the upper portion of the inner pot 3 The amount of heat radiated to the surface of the rice in the inner pot 3 can be reduced by the outer peripheral edge of the rice cooker lid 35.

A side portion (for example, in the main body 1 of the rice cooker)
A blower fan 38 is arranged in the space 4 in the hinge unit 20 side) in a state of being attached to the shoulder member 7 with screws 39. The blower fan 38 is a centrifugal fan having a scroll type fan casing 40. By doing so, it is possible to effectively use the space portion 4 in the rice cooker body 1 (in particular, the space on the side of the hinge unit 20 where a large surplus space is formed), and it is necessary to increase the vertical dimension of the rice cooker body 1. Disappears.

Discharge port 40a of the fan casing 40
Is connected to a duct 41, and the upper end of the duct 41 is connected to the inlet 4 of the annular passage 42 formed in the shoulder member 7.
2a. In addition, the shoulder member 7 has a plurality of communication ports 4 that communicate with the annular passage 42 and an upper portion of an annular gap C formed between the inner pot 3 and the protective frame 6.
3 is formed. That is, the blown air from the blower fan 38 is supplied to the upper portion of the gap C via the duct 41, the annular passage 42, and the communication port 43. Reference numeral 44 indicates the body portion 5a of the outer case 5.
An air intake port 45 formed in the lower part of the cover 2 is a lock mechanism of the lid 2.

The side opposite to the hinge side of the shoulder member 7 (that is,
On the side where the lock mechanism 45 that locks the lid 2 is provided, an operation panel unit 46 including various switches (for example, rice cooker switch, reservation switch, heat retention switch, etc.) and a liquid crystal display device is provided. There is.

As shown in FIGS. 2 and 3, a plurality of slit-shaped holes 47, 47, ... Each having a size such that the rice grain R does not pass through are formed on the outer periphery of the rice cooker lid 35 all around. Are formed at predetermined intervals. The holes 47, 47 ... Work as drain holes during rice washing.

On the other hand, on the inner peripheral surface of the inner pot 3, there is formed a mounting portion 49 which is located above the full water display portion 48 and which locks the rice cooker lid 35. The mounting portion 49 may be a stepped portion as shown, or may be a ridge.

The operation of washing the rice in the electric rice cooker configured as described above will be described.

The inner pot 3 is taken out from the rice cooker main body 1 and a predetermined amount of rice R is put therein, and then water W is poured to wash the inner pot 3, and the dirty water W generated by the rice washing is discharged from the inner pot 3. When doing so, the rice cooker lid 35 is removed from the lid body 2 and locked to the placing portion 49 of the inner pot 3 (see FIG. 2), and the inner pot 3 is placed under that state, as shown in FIG. When tilted, the rice grain R is stopped by the rice cooker lid 35, and only the dirty water W remains in the rice cooker lid 35.
. Are discharged through the holes 47, 47 formed in. That is, the rice cooker lid 35, which is an existing part of the electric rice cooker.
Can be drained easily and easily from the holes 47, 47 formed in the lid 35 of the rice cooker by simply locking the rice with the mounting portion 49 of the inner pot 3 at the time of washing rice.

Since the diameter of the rice cooker lid 35 is slightly smaller than the inner diameter of the opening 3a of the inner pot 3 without forming the mounting portion 49 on the inner pot 3, the rice cooker is bent at the curved portion of the inner pot 3. Since the lid 35 can be positioned, it is possible to drain the water only by storing the rice cooker lid 35 in the inner pot 3.

Further, even if the rice cooker lid 35 is not used for draining, the steam holes 28, 28 ... Of the heat dissipation plate 25 have a size that does not allow rice grains to pass therethrough, and are located on the inner diameter side of the seal portion with the inner pot 25. If it is formed at a certain position, the heat dissipation plate 25 can be removed from the lid 2 and the opening 3a of the inner pot 3 can be removed.
If you put it in a container and tilt the inner pot 3, the dirty water W
Only the steam will be discharged from the steam holes 28, 28 ..., It is possible to use the radiator plate 25 for draining water.

Second Embodiment FIG. 5 shows a rice cooker lid in an electric rice cooker according to a second embodiment of the present invention.

In this case, the rice cooker lid 35 has a plurality of slit-shaped holes 47, 47 having a size such that the rice grains R do not pass through.
.. are concentrated at approximately half circumference and are formed at predetermined intervals.
In this way, although the direction in which the inner pot 3 is tilted at the time of washing rice is limited, the formation of the holes 47, 47, ... Is small, and therefore the number of processing steps can be reduced. Further, a fan-shaped closing member 50 that closes or opens the holes 47, 47, ... Is rotatably provided around the seal packing 37 in the rice cooker lid 35. By doing so, the holes 47, 47 ... Can be opened during rice washing, and the holes 47, 47 ... Can be closed by the closing member 50 during rice cooking and heat retention, and the holes 47, 47 during rice cooking and heat insulation can be closed. It is possible to reduce the amount of heat radiation from the inner pot 3 via. Other configurations and effects are the same as those in the first embodiment, and the description thereof will be omitted.

Third Embodiment FIGS. 6 and 7 show a main part and an inner pot of an electric rice cooker according to a third embodiment of the present invention.

In this case, the full water display section 48 in the inner pot 3
At a higher position, the inclined portion 51 that expands upward
Is formed, and the inclined portion 51 has a plurality of slit-shaped draining holes 52 having a size such that the rice grains R do not pass through,
.. are formed in a concentrated manner on the substantially half circumference side. Also,
The rice cooker main body 1 is provided with an annular seal member 53 that seals the drain holes 52, 52 ... In the state where the inner pot 3 is housed. The seal member 53 is attached with its fixed end 53a side being sandwiched between the upper edge of the protective frame 6 and the shoulder member 7. With this arrangement, when washing rice, as shown in FIG. 7, only the water W contaminated by tilting the inner pot 3 toward the drain holes 52, 52 ... Is easily removed from the drain holes 52, 52. It can be discharged, and when the rice is cooked and the temperature is kept warm, leakage of steam or hot air can be reliably prevented by sealing the drain holes 52, 52, ... With the seal member 53. Moreover, by pressing the free end 53b of the seal member 53 against the inclined portion 51, the drain holes 52, 52, ... Can be sealed, and the sealing performance is improved.

By the way, since the drainage holes 52, 52, ... Are formed centrally on the substantially half-circumferential side of the inner pot 3, the sealing member 53 can be formed in a substantially semi-circular shape, but considering the sealing property. For example, it is desirable to make it annular. The draining holes 52, 52, ... May be formed over the entire circumference of the inner pot 3, but in that case, the sealing member 53 must be annular. Further, without forming the inclined portion 51, the drainage hole 5 is provided at a position above the full water display portion 48 in the inner pot 3.
2, 52 ... May be formed. Other configurations and effects are the same as those in the first embodiment, and the description thereof will be omitted.

Fourth Embodiment FIGS. 8 and 9 show an inner pot of an electric rice cooker according to a third embodiment of the present invention.

In this case, the inner pot 3 is integrally formed with an annular convex portion 54 which is located above the full water display portion 48 and is convex inward. The inner pot 3 is sealed by pressing the seal packing 29 of the lid 2 against the annular convex portion 54 in a state where the inner pot 3 is stored. Further, the inner pot 3 is provided with a plurality of slit-shaped drain holes 52 which are located above the annular convex portion 54 (in other words, the sealing portion of the inner pot 3) and have a size such that the rice grains R do not pass through. , 52 ... Are centrally formed on the substantially half side of the inner pot 3. With this arrangement, as shown in FIG. 9, when washing rice, the rice pot R is caught on the annular convex portion 54 only by tilting the inner pot 3, and only the dirty water W is easily discharged from the drain holes 52, 52 ,. Will be discharged to. That is, the draining can be performed more reliably, and the draining holes 52, 52 can be used at the time of cooking rice and keeping warm.
.... The annular convex portion 54 located below is sealed by the seal packing 29, and the drain hole 5
No leakage of steam or hot air will occur even if 2, 52 ... Is not sealed. The drain holes 52, 52 ... May be formed over the entire circumference of the inner pot 3. Other configurations and effects are the same as those in the first embodiment, and the description thereof will be omitted.

Fifth Embodiment FIG. 10 shows an inner pot of an electric rice cooker according to a fifth embodiment of the present invention.

In this case, the inner pot 3 is integrally formed with an upward step 66 located above the full water display portion 48 and expanding outward. The inner pan 3 is sealed by pressing the seal packing 29 of the lid 2 against the upward step 66 in a state where the inner pan 3 is stored. In addition, the inner pot 3 is provided with a plurality of slit-like draining holes 52 which are located above the upward step portion 66 (in other words, the sealing portion of the inner pot 3) and have a size such that the rice grains R do not pass through. , 52 ... Are centrally formed on the substantially half side of the inner pot 3. In this way, when washing rice, simply tilt the inner pot 3
Only the drainage holes 52, 52 ... Are easily discharged. Further, during rice cooking and heat retention, the seal packing 29 seals the upward step portion 66 located below the water draining holes 52, 52, ... Even if the water draining holes 52, 52 ,. There is no leakage of hot air. In addition, drain hole 5
.. may be formed over the entire circumference of the inner pot 3. Other configurations and effects are the same as those in the first embodiment, and the description thereof will be omitted.

[0063] The sixth embodiment Figure 1 1 to 1 3 of the essential part of the sixth inner bowl of electric rice cooker according to the embodiment of the present invention is shown.

In this case, the opening 3a of the inner pot 3 has a predetermined circumferential width and is in a posture of projecting upward from the inner pot opening 3a, and the inner pot opening 3a and the upper surface are flush with each other. Is provided with a handle 56 that is vertically movable so that the handle 56 can be stored in such a manner that the handle 56 is stored.
Slit-shaped holes 57, 57 serving as draining portions are formed in the portion projecting from the inner pot opening 3a in a state of projecting upward from the inner pot opening 3a.
The handle 56 has the opening 3a of the inner pot 3 in the projecting posture.
It has a continuous surface. Further, the handle 56 has
Vertical hole 5 into which the rivet 58 fixed to the inner pot 3 is inserted
9 is formed. With this arrangement, when washing rice, as shown in FIG. 16, the handle 56 is moved to the inner pot opening 3a.
Hold the inner pot 3 by the handle 56 in a state in which the inner pot 3 projects upward.
It is possible to easily discharge only the dirty water W from the holes 57, 57 formed in the handle 56 simply by inclining it in the direction, and the handle 56 which is an existing part of the electric rice cooker is effectively used to drain water. It can be performed. Further, since the handle 56 can be stored when cooking rice or keeping warm, it does not hinder the storage of the inner pot 3 in the rice cooker body 1. In the present embodiment, the handle 56 is flush with the inner pot opening 3a when it is stored, but it may be stored below the inner pot opening 3a. Other configurations and effects are the same as those in the first embodiment, and the description thereof will be omitted.

[0065] The seventh embodiment FIG 1 4 and 1 5 of the essential part of a seventh inner bowl of electric rice cooker according to the embodiment of the present invention is shown.

In this case, the opening 3a of the inner pot 3 is integrally formed with an inwardly projecting annular convex portion 54,
On the outside of the annular convex portion 54, a predetermined circumferential width (for example,
A handle which has a width of about half the circumference and which is arc-rotatable so as to have a posture in which it projects above the inner pot opening 3a and a posture in which it is stored below the inner pot opening 3a. 5
6 is provided. In the handle 56, slit-shaped holes 57, 57 are formed in the portion projecting from the inner pot opening 3a in a state of projecting upward from the inner pot opening 3a to serve as a drainer. . The handle 56
Has a surface which is continuous with the opening 3a of the inner pot 3 in the protruding posture. Reference numeral 60 is a rotating shaft. With this arrangement, when washing rice, as shown in FIG.
The water W contaminated by simply inclining the inner pot 3 in the direction of the handle 56 in a state in which 6 is projecting upward from the inner pot opening 3a.
Since only the handle 56 can be easily discharged from the holes 57 formed in the handle 56, the handle 56, which is an existing component of the electric rice cooker, can be effectively used for draining. Further, since the handle 56 can be stored when cooking rice or keeping warm, it does not hinder the storage of the inner pot 3 in the rice cooker body 1. Other configurations and effects are the same as those in the first embodiment, and the description thereof will be omitted.

[0067] The eighth embodiment FIG 1 6 through 18 of the embodiment of the essential part of the eighth inner bowl of electric rice cooker according to the embodiment of the present invention is shown.

In this case, as shown in FIG. 18 , a chamois receiver 61 having a chamois accommodating portion 63 for positioning and accommodating the chamois 65 is additionally provided.
As shown in FIG. 17 , the rice has a disk shape that allows the rice grains R to be stored in the inner pot 3 through a gap that does not spill. And, in this chamoji receptacle 61, a large number of drainage holes 62, 62 having a size that does not allow the rice grains R to pass through.
.. is formed. The chamoji receiver 61 is made of a material (for example, synthetic resin) having a specific gravity smaller than that of water, and a handle 63 that is gripped when the chamomile receiver 61 is stored and taken out is provided at the center thereof. The handle 63 is a circular convex portion, and a groove-shaped chamoji storage portion 64 for positioning and storing the chamoji 65 is provided in the center thereof.

In this way, when washing the rice, the chamoji pan 61 is stored in the inner pan 3 and held by the hand F while the inner pan 3 is tilted to form only the dirty water W on the shamoji pan 61. It can be easily discharged from the drainage holes 62, 62. Further, as shown in FIG. 17 , since the chamomile receiver 61 can be floated on the water W, the amount of water can be easily confirmed by the intersection position of the outer peripheral edge of the chamomile receiver 61 and the inner peripheral surface of the inner pot 3. it can. Moreover, the figure
As shown in FIG. 18 , when the rice is not washed, the chamomile storage 63
The Shamoji 65 can be stored in the. The drain holes 62, 62 ... May be formed only on the outer peripheral portion. Other configurations and effects are the same as those in the first embodiment, and the description thereof will be omitted.

In each of the above embodiments, the work coil is used as the heating means, but it goes without saying that the present invention is also applicable to the one using an electric heater as the heating means.

【The invention's effect】

According to the invention of claim 1, the rice cooker main body for accommodating the inner pan so that it can be taken out freely, the heating means for heating the inner pan, the lid of the rice cooker main body, and the lower surface of the lid. On the other hand, in an electric rice cooker provided with a rice cooker lid that is detachably attached so as to face the opening of the inner pot, a size that does not allow rice grains to pass through at least the outer peripheral portion of the rice cooker lid. When performing rice washing in the inner pot with the inner pot taken out from the rice cooker main body while forming a plurality of holes, the rice cooker lid is removed from the lid body to open the inner pot. Or, by inserting it into the inner pot and using the multiple holes as drain holes, the rice cooker lid, which is an existing part of the electric rice cooker, should be placed in the inner pot opening or the inner pot when washing rice. Just by inserting, from the multiple holes formed in the rice cooker lid There is an effect that it is possible to easily and simply draining.

As in the invention of claim 2, claim 1
In the electric rice cooker described in the above, in the case where the inner peripheral surface of the inner pot is formed with a mounting portion such as a ridge or a step portion which is located above the full water display portion and in which the rice cooker lid is fitted and mounted. The rice cooker lid can be easily positioned in the inner pot simply by inserting the rice cooker lid into the placing portion and placing the rice cooker upon washing the rice.

As in the invention of claim 3, claim 1
Alternatively, in the electric rice cooker according to any one of 2,
When the plurality of holes are formed so as to be concentrated in a part of the rice cooker lid, the direction in which the inner pot is inclined at the time of washing the rice is limited, but the number of holes is small and the number of processing steps is reduced. In addition, the amount of heat radiated from the inner pot through the holes can be reduced during rice cooking and heat retention.

As in the invention of claim 4, claim 3
In the electric rice cooker described, when the rice cooker lid is provided with a closing member that closes or opens the plurality of holes, the holes can be opened during rice washing, and the holes can be closed during rice cooking and heat retention. It is possible to further reduce the amount of heat radiated from the inner pot through the holes during rice cooking and heat retention.

According to the invention of claim 5, the rice cooker main body for accommodating the inner pan so that it can be taken out freely, the heating means for heating the inner pan, the lid of the rice cooker main body, and the lower surface of the lid. In the electric rice cooker, which is detachably attached to the heat sink and has a plurality of steam holes formed therein,
When the rice is washed in the inner pot with the inner pot taken out, the radiation plate is removed from the lid and placed in the opening of the inner pot. Since the steam holes are used as drain holes, it is easy to use the steam holes formed in the heat sink by placing the heat sink, which is an existing part of the electric rice cooker, on the opening of the inner pot when washing rice. Moreover, there is an effect that draining can be performed easily.

According to the invention of claim 6, in an electric rice cooker comprising a rice cooker main body for accommodating the inner pan so that the inner pan can be freely removed, heating means for heating the inner pan, and a lid of the rice cooker main body. Forming a plurality of drain holes in the inner pot above the full water indicator so that rice grains do not pass through.
Along with the inner pan being stored, the drainer
Since is provided a seal member for sealing the bore, to at the time of bran rice can be easily discharged only water contaminated only by inclining the inner bowl from draining holes, cooking time and the coercive
Seal the drain hole with a sealing member when the temperature is high
This has the effect of reliably preventing the leakage of steam or hot air .

As in the invention of claim 7 , claim 6
In the electric rice cooker described above, when the formation part of the drainage hole in the inner pot is an inclined part, it is possible to seal the drainage hole by pressing the sealing member against the inclined part, thereby improving the sealing property. .

According to the eighth aspect of the present invention, there is provided an electric rice cooker comprising a rice cooker main body for accommodating an inner pan so that the inner pan can be freely removed, heating means for heating the inner pan, and a lid of the rice cooker main body. , The inner pot is integrally formed with an inwardly projecting annular convex portion or an annular upward step located above the full water display portion, and the annular convex portion is accommodated when the inner pot is accommodated. It is configured to seal the inner pot by pressing the seal packing provided on the lid side against the upper portion or the annular upward step portion, and the inner pot is placed above the seal portion of the inner pot. Since there are multiple draining holes that are large enough to prevent rice grains from passing through the openings, the rice grains can be placed in an annular convex or annular upward step by simply tilting the inner pot when washing rice. Only drained water that is caught or dirty Will be al easily discharged, there is an effect that it is possible to perform the draining more reliably.

According to the ninth aspect of the present invention, there is provided an electric rice cooker comprising a rice cooker main body for accommodating an inner pan so that the inner pan can be freely taken out, a heating means for heating the inner pan, and a lid of the rice cooker main body. Since the handle is provided in the opening of the inner pot and the drainer is formed in the portion of the handle protruding from the opening of the inner pot, the inner pot is inclined in the handle direction when washing rice. Only dirty water can be easily drained from the drainer formed on the handle, and there is an effect that the handle which is an existing part of the electric rice cooker can be effectively used for draining. .

[0080] As in the invention of claim 1 0, Claim
9. In the electric rice cooker according to 9 , when the handle is formed with a surface projecting upward continuously with the opening of the inner pot, water can be drained smoothly during rice washing.

[0081] As in the invention of claim 1 1, claim
In 9 and 1 electric cooker according to any one claim of 0, the handle, the attitude projecting upwardly from and the inner bowl opening has a predetermined circumferential width, said inner bowl opening and an upper surface When it is movable so that it is flush with or stored in a lower position, the handle should be projected above the opening of the inner pan when washing rice, and the handle should be stored when cooking rice or keeping warm. As a result, the handle can be effectively used and does not interfere with the storage of the inner pot in the rice cooker body.

[0082] As in the invention of claim 1 2, in claim 1 1 electric cooker according, the handle, when the vertically movable, only by vertically moving the handle,
It can be used when draining water and when storing the inner pot.

[0083] As in the invention of claims 1 to 3, in claim 1 1 electric cooker according, the handle, when freely arc pivoted by the handle only by arc rotated, draining when the inner pot It can correspond to when stored.

[0084] According to the present invention 4, the rice cooker body for accommodating the inner pot extraction freely, a heating means for heating the inner bowl, the lid of the rice cooker main body, positioning housing the paddle In an electric rice cooker provided with a chamois receiver having a chamois receiver, the chamois receiver has a disk shape that can be accommodated in the inner pot through a gap such that rice grains do not spill, and at least the chamois receiver A large number of drain holes are formed in the outer periphery so that rice grains do not pass through, so when washing rice, only the dirty water was formed in the inner pot by storing the chamoj receiver in the inner pot. There is an effect that it can be easily discharged from the drain hole.

[0085] As in the invention of claims 1 to 5, in claim 1 4 electric cooker according, the paddle receiving,
When the material is made of a material having a smaller specific gravity than water, the chamomile receiver can be floated on the water, and the amount of water can be easily confirmed by the crossing position of the outer peripheral edge of the chamomile receiver and the inner peripheral surface of the inner pot.

[Brief description of drawings]

[0086]

FIG. 1 is a vertical sectional view of an electric rice cooker according to a first embodiment of the present invention.

FIG. 2 is a vertical cross-sectional view showing an inner pot when washing rice in the electric rice cooker according to the first embodiment of the present invention.

FIG. 3 is a plan view of a rice cooker lid in the electric rice cooker according to the first embodiment of the present invention.

FIG. 4 is a vertical cross-sectional view showing an inner pot when draining water in the electric rice cooker according to the first embodiment of the present invention.

FIG. 5 is a plan view of a rice cooker lid in an electric rice cooker according to a second embodiment of the present invention.

FIG. 6 is an enlarged cross-sectional view showing a main part of an electric rice cooker according to a third embodiment of the present invention.

FIG. 7 is a vertical cross-sectional view showing an inner pot at the time of draining water in the electric rice cooker according to the third embodiment of the present invention.

FIG. 8 is a vertical cross-sectional view showing an inner pot of an electric rice cooker according to a fourth embodiment of the present invention.

FIG. 9 is a vertical cross-sectional view showing an inner pot at the time of draining water in the electric rice cooker according to the fourth embodiment of the present invention.

FIG. 10 is a vertical cross-sectional view showing an inner pot of an electric rice cooker according to a fifth embodiment of the present invention.

FIG. 11 is an enlarged cross-sectional view showing a main part of an inner pot of an electric rice cooker according to a sixth embodiment of the present invention.

FIG. 12 is a side view of the essential parts of the inner pot showing a state in which a handle is projected in the electric rice cooker according to the sixth embodiment of the present invention.

FIG. 13 is a vertical cross-sectional view showing the main part of the inner pot when draining water in the electric rice cooker according to the sixth embodiment of the present invention.

FIG. 14 is an enlarged cross-sectional view showing a main part of an inner pot of an electric rice cooker according to a seventh embodiment of the present invention.

FIG. 15 is a vertical cross-sectional view showing a main part of an inner pot when draining water in the electric rice cooker according to the seventh embodiment of the present invention.

FIG. 16 is a vertical cross-sectional view showing an inner pot at the time of draining water in the electric rice cooker according to the eighth embodiment of the present invention.

FIG. 17 is a vertical cross-sectional view showing an inner pot at the time of detecting the amount of water in the electric rice cooker according to the eighth embodiment of the present invention.

FIG. 18 is a plan view of a chamoji receiver in the electric rice cooker according to the eighth embodiment of the present invention.

[Explanation of symbols]

1 is a rice cooker body, 2 is a lid, 3 is an inner pot, 3a is an opening,
10 is a heating means (work coil), 28 is a steam hole, 35
Is a rice cooker lid, 47 is a hole, 48 is a full water display portion, 49 is a mounting portion, 50 is a closing member, 51 is an inclined portion, 52 is a drain hole,
53 is a seal member, 54 is an annular convex portion, 55 is a groove, 56 is a grip, 56a is a surface, 57 is a draining portion (hole), 61 is a drainage hole, 62 is a draining hole, 63 is a handle, and 64 is a chamois storage portion. , 65 is Shamoji, 66 is an upward step, R is rice grain, W is water.

─────────────────────────────────────────────────── ───Continued from the front page (56) References JP-A-5-337036 (JP, A) JP-A-10-234565 (JP, A) Actually open Sho 49-1263 (JP, U) Actually open Sho 52- 70553 (JP, U) Actually open 58-61123 (JP, U) Actually open 56-88423 (JP, U) Actually open 59-148716 (JP, U) Actual Kohei Hei 6-37778 (JP, Y2) (58) Fields investigated (Int.Cl. ⁷ , DB name) A47J 36/08 A47J 36/06

Claims (15)

(57) [Claims] [0001] 1. A rice cooker main body for accommodating an inner pan so that it can be taken out freely, heating means for heating the inner pan, a lid of the rice cooker main body, and an opening of the inner pan with respect to a lower surface of the lid. An electric rice cooker equipped with a rice cooker lid that is detachably attached so as to face a portion of the rice cooker, and at least the outer peripheral portion of the rice cooker lid has a plurality of holes of a size that does not allow rice grains to pass through. When performing rice washing in the inner pot with the inner pot taken out from the rice cooker body, the rice cooker lid is removed from the lid body and placed in the inner pot opening or the inner pot. An electric rice cooker characterized by being fitted in and using the plurality of holes as draining holes. 2. An inner peripheral surface of the inner pot is provided with a mounting portion such as a ridge or a step portion which is positioned above the full water display portion and which is fitted and mounted with the rice cooker lid. The electric rice cooker according to claim 1, which is characterized in that. 3. The electric rice cooker according to claim 1, wherein the plurality of holes are formed so as to be concentrated in a part of the rice cooker lid. 4. The electric rice cooker according to claim 3, wherein the rice cooker lid is provided with a closing member that closes or opens the plurality of holes. 5. A rice cooker body for accommodating an inner pot so that it can be taken out freely, a heating means for heating the inner pot, a lid body of the rice cooker body, and a detachable attachment to the lower surface of the lid body. An electric rice cooker having a heat dissipation plate formed with a plurality of steam holes, wherein the steam holes are of a size such that rice grains do not pass through, and the inner pan is taken out in the inner pan. When washing rice, the heat sink is removed from the lid and placed on the opening of the inner pot to use the steam hole as a drain hole. 6. An electric rice cooker comprising a rice cooker main body for accommodating an inner pan so that the inner pan can be freely removed, heating means for heating the inner pan, and a lid of the rice cooker main body. A plurality of draining holes having a size that does not allow rice grains to pass through are formed above the full water display portion , and
When the inner pot is stored in the container body,
An electric rice cooker characterized by having a seal member for sealing a drill hole . 7. The electric rice cooker according to claim 6, wherein the drainage hole forming portion of the inner pot is an inclined portion. 8. An electric rice cooker comprising a rice cooker main body for accommodating an inner pan so that the inner pan can be freely taken out, heating means for heating the inner pan, and a lid of the rice cooker main body, wherein Is integrally formed with an annular convex portion or an annular upward step portion that is located above the full water display portion and is convex inward, and the annular convex portion or the annular convex portion in the state where the inner pot is housed is formed. The inner pot is configured to be sealed by pressing a seal packing provided on the lid side against the upward step, and the inner pot is positioned above the seal portion of the inner pot. An electric rice cooker characterized in that a plurality of drain holes having a size that does not allow rice grains to pass through are formed in the openings. 9. An electric rice cooker comprising a rice cooker main body for accommodating an inner pan so that the inner pan can be freely taken out, a heating means for heating the inner pan, and a lid of the rice cooker main body. An electric rice cooker characterized in that a handle is provided at the opening, and a drainer is formed at a portion projecting from the opening of the inner pot of the handle. 10. The electric rice cooker according to claim 9 , wherein the handle is formed with a surface protruding upward from the opening of the inner pot. 11. The handle has a predetermined circumferential width and projects upward from the inner pot opening, and the upper face of the inner pot opening is flush with or is stored below. electric cooker according to any one claim of the claims 9 and 1 0, characterized in that the movable as possible and attitude. 12. the handle, electric cooker of claim 1 1, wherein it has a vertically movable. 13. claim 1 1 electric cooker, wherein the said handle, and freely arc rotation. 14. A rice cooker main body for accommodating an inner pan so that it can be taken out freely, a heating means for heating the inner pan, a lid of the rice cooker main body, and a chamoji receptacle having a chamoji accommodating portion for positioning and accommodating a chamoji. An electric rice cooker equipped with the chamoji receiver, which has a disk shape capable of being stored in the inner pot through a gap that does not allow rice grains to spill, and at least the outer peripheral portion of the chamoji receiver has rice grains. An electric rice cooker characterized in that a large number of drain holes having a size that does not allow water to pass through are formed. 15. The electric cooker of claim 1 4, wherein the said paddle received, is constituted by a material having a small specific gravity than water.