JP2010042054A - Rice cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rice cooker improving cleaning properties by placeably/removably providing an inner cover and a steam conduit which constitute a steam passage to a tank and allowing a user to prevent failure in setting them in the rice cooker that introduces steam generated at heating to a tank housing cooling water to condense it into water. <P>SOLUTION: The rice cooker includes an outer cover 3 provided with the first working piece 304 that is placed in a first position at the steam conduit 5 being not set and is shifted to a second position from the first position with a push of the conduit 5 at the conduit 5 being set. In the first position of the piece 304, the piece 304 blocks the cover 3 from covering the top of a cooker body 2 to form a closing position by the piece 304 being brought into contact with the top of the body 2 at the cover 3 being closed. In the second position of the piece 304, the piece 304 does not block the cover 3 from covering the top of the body 2 to form the closing position. In some cases, e.g., a steam conduit retaining member for fixing the conduit 5 to the cover 3 includes the piece 304. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a rice cooker that performs cooking by heating an inner pot containing an object to be heated (rice, water, etc.), and in particular, cooked rice having a structure that cools steam generated during heating and condenses water. Related to the vessel.

  2. Description of the Related Art Conventionally, there is a rice cooker that condenses steam generated during heating by introducing it into a container containing cooling water and dissipating it into the cooling water. As such, “a frame, a storage case provided in the frame, an inner pot provided so as to be stored in the storage case, an openable / closable lid covering the inner pot, and one of the frames. A water container provided on the side, and a steam passage communicating the inner pot and the water container, and the steam generated from the inner pot is introduced into the water container through the steam passage and comes into contact with water. An electric rice cooker that liquefies "has been proposed (see, for example, Patent Document 1).

JP 10-192134 A

  Cleaning of the inner lid and the steam passage that guides the steam to the container containing the cooling water is indispensable because it easily causes germs and odors. Therefore, it is preferable to remove them from the rice cooker so that they can be easily cleaned. However, when the inner lid and the steam passage are made detachable from the rice cooker, rice cooking may start without forgetting to attach them.

  The present invention has been made in order to solve the above-described problems, and in a rice cooker that condenses steam generated during heating by guiding it to a container containing cooling water, the steam passage to the container is provided. An object of the present invention is to provide a rice cooker that can be detachably provided with a lid and a steam conduit to improve its cleanability and prevent forgetting to attach them.

  The rice cooker according to the present invention includes an inner pot in which an object to be heated is placed, a heating element, and a rice cooker body that accommodates and heats the inner pot, and covers an upper portion of the rice cooker body in an openable and closable manner. An outer lid, an inner lid that is detachably attached to the outer lid, has a hole for discharging steam generated from the heated object, and is attached to the rice cooker body and is generated from the heated object A tank that takes in steam and condenses, and a steam conduit that is detachably attached to the outer lid and communicates with a hole formed in the inner lid and the tank, and the steam conduit is in a predetermined position. When it is not attached, the outer lid cannot be fixed in a closed position that covers the top of the rice cooker body.

  Also, an inner pot in which an object to be heated is placed, a heating element is arranged, a rice cooker body that accommodates and heats the inner pot, an outer lid that covers the upper portion of the rice cooker body in an openable and closable manner, and the outer An inner lid that is detachably attached to the lid and has a hole for discharging steam generated from the heated object, and a condensate that is attached to the rice cooker body and takes in the steam generated from the heated object. A tank that is detachably attached to the outer lid, and a steam conduit that communicates the hole formed in the inner lid and the tank, and the inner lid is not attached at a predetermined position. Is configured so that the outer lid cannot be fixed at a closed position that covers the top of the rice cooker body.

  According to the rice cooker which concerns on this invention, since a vapor | steam conduit | pipe and an inner cover can be removed from an outer cover, those can be cleaned easily. In addition, when the steam conduit and the inner lid tank are not in place, the outer lid will not close, so the user can easily notice abnormalities and carry out inspections to ensure that they are installed. . For this reason, it is possible to prevent steam leakage.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
FIG. 1 is a perspective view showing an overall configuration of a rice cooker 100 according to Embodiment 1 of the present invention. The rice cooker 100 is hinged to the detachable inner pot 1 (also referred to as the inner pot) in which the heated object to be cooked enters, the rice cooker body 2 that houses and heats the inner pot 1, and the rice cooker body 2. The outer lid 3 covers the upper portion of the rice cooker body 2 so as to be freely opened and closed, and the inner lid 4 and the steam conduit 5 are detachably attached to the inner side surface of the outer lid 3. Furthermore, the rice cooker main body 2 is detachably equipped with a tank (water tank) 6 that takes in the steam generated in the inner pot 1 during rice cooking (or during heating) through the inner lid 4 and the steam conduit 5 and condenses it. . The tank 6 is attached so as to be fitted to the bottom plate 21 and the front surface 22 of the rice cooker body 2. The tank 6 includes a tank body 61 having an upper opening, and a tank lid 62 that covers the upper portion of the tank body 61 so as to be freely opened and closed. The tank lid 62 is formed with a steam intake port 62a for taking in steam generated during rice cooking.

The inner lid 4 and the steam conduit 5 are detachably attached to the inner side of the outer lid 3. FIG. 2 is a perspective view corresponding to FIG. 1 with the inner lid 4 and the steam conduit 5 removed from the outer lid 3. The figure is shown. As shown in FIG. 2, the outer lid 3 is formed with a steam conduit housing portion 303 and a steam conduit holding member 304 that holds the steam conduit 5 accommodated therein. Further, a portion to which the inner lid 4 is attached is a heat radiating plate 305.
When the outer lid 3 is closed (when closed), the outer lid holding member 301 of the outer lid 3 is engaged with and locked to the outer lid locking portion 201 of the rice cooker main body 2 so that the rice cooker main body 2 is locked. It is locked and fixed in the closed position in the state of covering the top of the. When opening the outer lid 3, the end of the outer lid holding member 301 is pushed by pushing the latch 302 whose one end is located on the front surface of the outer lid 3, thereby rotating the outer lid holding member 301. The engagement with the lid locking portion 201 is released, the locking is released, and the outer lid 3 is opened.

FIG. 3 is an exploded view before the outer lid 3, the inner lid 4 and the steam conduit 5 are integrated.
As described above, the outer lid 3 includes the outer lid holding member 301 and the latch 302. The outer lid 3 has a steam conduit housing portion 303 corresponding to the shape of the steam conduit 5 that houses the steam conduit 5, and has a steam conduit holding member 304 that fixes the steam conduit 5 around it. Further, the region where the inner lid 4 is disposed includes a heat radiating plate 305 having a heater disposed on the back side, an inner lid temperature sensor 306, and an inner lid holding member 307 for fixing the inner lid 4.
The inner lid 4 is a lid for covering the upper part of the inner pot 1, and is composed of a disk-shaped stainless steel 41, a packing 42 disposed around the disk-shaped stainless steel 41, a frame body 43 that supports the disk-shaped stainless steel, and the like. The frame body 43 of the inner lid 4 is provided with an inner lid locking portion 401 for locking the inner lid 4 to the inner lid holding member 307 of the outer lid 3. The inner lid 4 is formed with a plurality of inner lid steam holes 402 through which steam passes.
The steam conduit 5 has a steam conduit locking portion 501. When the steam conduit 5 is received in the steam conduit receiving portion 303 of the outer lid 3, the steam conduit locking portion 501 is engaged with the steam conduit holding member 304 and engaged. By stopping, it is fixed to the outer lid 3. The steam conduit 5 includes a conduit base body 51 and a conduit lid body 52 that can be opened and closed with respect to the conduit base body 51. One end of the steam conduit 5 is connected to an inner lid steam hole 402 of the inner lid 4. The other end has a tank connecting portion 503 connected to the steam intake hole 62a of the tank 6.

FIG. 4 is an internal configuration diagram showing the inside of the rice cooker with the outer lid closed. An outer lid 3 to which an inner lid 4 is attached is attached to the rice cooker body 2 via a hinge 31 and a spring 32. The outer lid holding member 301 of the outer lid 3 is engaged with and fixed to the outer lid locking portion 201 of the rice cooker body 2. The latch 302 is disposed so as to be able to press one end of the outer lid holding member 301 that is rotatable about the support shaft 301a. In addition, an operation board 308 for cooking and displaying rice is disposed on the top of the outer lid 3.
An inner pot 1 is accommodated in the rice cooker body 2, and an upper portion of the inner pot 1 is covered with an inner lid 4. The rice cooker body 2 is provided with a heating coil 202 for heating the inner pot 1, a power supply substrate 203 for driving the heating coil 202, and the like.
Furthermore, the tank 6 is mounted on the bottom plate 21 on the front surface 22 of the rice cooker body 2.

  In the rice cooker of Embodiment 1 as described above, the outer lid 3 is prevented from closing when the steam conduit 5 is not attached to the outer lid 3. Below, the aspect is demonstrated.

FIG. 5 is an explanatory diagram of the first embodiment in a state where the steam conduit 5 is attached and the outer lid 3 is closed, and FIG. 6 is a diagram of the first embodiment in a state where the steam conduit 5 is not attached and the outer lid 3 is not closed. It is explanatory drawing.
As shown in FIG. 5 and FIG. 6, when the steam conduit 5 is not mounted, the steam conduit 5 is located at the first portion. A first working piece 304 (here, the first working piece is also represented by 304 because the steam conduit holding member 304 serves as the same) is provided on the inner surface of the outer lid 3. The first operating piece 304 is biased toward the steam conduit housing portion 303 by an elastic material 304a such as a spring.
When the outer lid 3 is closed, the first portion of the first working piece 304 is in contact with the convex portion 204 on the upper portion of the rice cooker body 2 so that the outer lid 3 covers the upper portion of the rice cooker body 2. The second portion of the first working piece 304 is in the closed position where the outer lid 3 covers the upper part of the rice cooker body 2 when the outer lid 3 is closed. It is a position that does not prevent you from coming.

When the steam conduit 5 is not attached to the outer lid 3, when trying to close the outer lid 3, the lower end of the first working piece 304 hits the convex portion 204 of the rice cooker body 2, and the outer lid 3 is finally closed. It cannot be moved to the position. Therefore, in this case, the outer lid 3 cannot be fixed at the closed position where the upper surface of the rice cooker body 2 is covered. As a result, the user can detect the abnormality and can reliably attach the steam conduit 5.
On the other hand, when the steam conduit 5 is attached to the outer lid 3, the side surface of the steam conduit 5 presses the first working piece 304 to compress the elastic body 304 a and move the first working piece 304 inward. As a result, when the outer lid 3 is closed, the first operating piece 304 does not hit the convex portion 204 of the rice cooker body 2, and the outer lid 3 can be moved to the final closed position. The lid holding member 301 is engaged with the outer lid locking portion 201 of the rice cooker body 2 so as to be locked. That is, if the steam conduit 5 is attached to the outer lid 3, the outer lid 3 is completely closed, and the subsequent operation is possible.

Embodiment 2. FIG.
In the first embodiment, the outer lid 3 is not closed when the steam conduit 5 is not attached to the outer lid 3, but in the second embodiment, the inner lid 4 is replaced by an outer lid 4 instead. The outer lid 3 is not closed when not attached to the lid 3, and the other points are the same as those of the first embodiment.

FIG. 7 is an explanatory diagram of the second embodiment in a state where the inner lid is attached and the outer lid is closed, and FIG. 8 is an explanatory diagram of the second embodiment in a state where the inner lid is not attached and the outer lid is not closed. .
As shown in FIGS. 7 and 8, when the inner lid 4 is not attached, it is located at the third part, and when the steam conduit 5 is attached, it is pressed by the steam conduit 5 to be fourth from the third part. A second operating piece 307 (herein, the second operating piece is also indicated by 307 because the inner lid holding member 307 also serves as the second operating piece 307) that displaces to the site is provided on the inner surface of the outer lid 3. The second operating piece 307 is urged toward the center side of the inner pot accommodating portion of the rice cooker body 2 by an elastic material (not shown) such as a spring.
When the outer lid 3 is closed, the third part of the second working piece 307 hits the upper part of the rice cooker body 2 or the upper part of the inner pot 1 (here, the upper part 1a of the inner pot 1), The outer lid 3 is a position that prevents the outer lid 3 from reaching the closed position that covers the upper portion of the rice cooker body 2, and the fourth portion of the second working piece 307 is when the outer lid 3 is closed. It is a position which does not prevent coming to the closed position of the state which covers the upper part of vessel main part 2.

When the inner lid 4 is not attached to the outer lid 3, when the outer lid 3 is to be closed, the lower end of the second working piece 307 hits the upper portion 1 a of the inner pot 1 accommodated in the rice cooker body 2, and the outer lid 3 cannot be moved to the final closing position, and therefore the outer lid 3 cannot be fixed at the closing position covering the upper surface of the rice cooker body 2. As a result, the user can detect an abnormality and can reliably mount the inner lid 4.
On the other hand, when the inner lid 4 is attached to the outer lid 3, the edge of the inner lid 4 presses the second operating piece 307 to compress the elastic body and move the second operating piece 307 outward. Thereby, when closing the outer lid 3, the second operating piece 307 does not hit the upper part of the rice cooker body 2 and the upper part 1a of the inner pot 1, so that the outer lid 3 can be moved to the final closing position, The outer lid holding member 301 of the outer lid 3 is engaged with the outer lid locking portion 201 of the rice cooker body 2 so as to be locked. That is, if the inner lid 4 is attached to the outer lid 3, the outer lid 3 is completely closed, and the subsequent operation is possible.

In the case of the second embodiment, it is preferable that the inner lid 4 cannot be attached to the outer lid 3 unless the vapor conduit 5 is attached to the outer lid 3. Next, the aspect for that is demonstrated.
FIG. 9 is an explanatory view showing a state where the inner lid cannot be normally attached because the steam conduit is not attached, and FIG. 10 is an explanatory view showing a state where the steam conduit is attached and the inner lid is normally attached. As shown in FIGS. 9 and 10, when the steam conduit 5 is not attached, the steam conduit 5 is located at the fifth portion. When the steam conduit 5 is attached, the steam conduit 5 is pressed by the fifth portion to the sixth portion. A first working piece 304 (here, the first working piece is also represented by 304 because the steam conduit holding member 304 serves as the same) is provided inside the outer lid 3 so as to be displaced to the site. The first operating piece 304 is biased toward the steam conduit housing portion 303 by an elastic material 304a such as a spring.
The fifth portion of the first working piece 304 is a convex portion of the frame body 43 (see FIG. 3) that supports the inner lid 4 when the inner lid 4 is attached to a predetermined position of the outer lid 3. In this case, the inner lid 4 cannot be attached to the outer lid 3 (the state shown in FIG. 9), and the sixth portion of the first operating piece 304 is not affected by the first operating piece 304 without affecting the inner lid 4. This is a position where the lid 4 can be attached to the outer lid 3 (state shown in FIG. 10).
By doing so, the inner lid 4 cannot be attached to the outer lid 3 until the steam conduit 5 is attached to the outer lid 3, and as a result, forgetting to attach both the inner lid 4 and the steam conduit 5. It becomes possible to prevent.

Embodiment 3 FIG.
In the third embodiment, the inner lid 4 and the steam conduit 5 in the first or second embodiment are integrated in advance (hereinafter referred to as an inner lid unit). And when the part corresponding to the vapor | steam conduit | pipe 5 or the inner cover 4 which comprises an inner cover unit is not in a predetermined position, the outer cover 3 is not closed according to Embodiment 1 or Embodiment 2. It is what you want to do.
FIGS. 11 and 12 show the configuration of the second embodiment applied to the inner lid unit. FIG. 11 is an explanatory diagram of the third embodiment in which the inner lid unit is mounted and the outer lid is closed. 12 is an explanatory diagram of Embodiment 3 in a state where the inner lid unit is not attached and the outer lid is not closed.
By adopting the third embodiment, the inner lid 4 and the steam conduit 5 can be attached to the outer lid 3 with a single attaching / detaching operation, and the inner lid 4 and the inner lid 4 are attached between the outer lid 3 and the inner lid 4. This also has the effect of reducing forgetting to attach the steam conduit 5 that is easy to forget.

  In the case of the first to third embodiments, while the steam conduit 5 and the inner lid 4 are not mounted at predetermined positions, the steam leakage is prevented by shutting off the energization circuit so that the heating coil 202 cannot be energized. Can be reliably prevented.

The perspective view which shows the whole rice cooker structure which concerns on Embodiment 1 of this invention. The perspective view corresponding to FIG. 1 which removed the inner cover and the vapor | steam conduit | pipe from the outer cover. The exploded view before integrating an outer cover, an inner cover, and a steam conduit. The internal block diagram which shows the inside of the rice cooker of the state which closed the outer cover. Explanatory drawing of Embodiment 1 of the state which the vapor | steam conduit | pipe is mounted | worn and the outer cover is closed. Explanatory drawing of Embodiment 1 in the state which a vapor | steam conduit | pipe is not mounted | worn but an outer cover does not close. Explanatory drawing of Embodiment 2 of the state with which the inner cover was mounted | worn and the outer cover was closed. Explanatory drawing of Embodiment 2 of the state which an inner cover is not mounted | worn but an outer cover does not close. Explanatory drawing of the state which cannot attach an inner cover normally because a steam conduit is not attached. Explanatory drawing of the state to which the vapor | steam conduit | pipe was mounted | worn and the inner lid was attached normally. Explanatory drawing of Embodiment 3 of the state in which the set of an inner cover and a steam conduit is installed and the outer cover is closed. Explanatory drawing of Embodiment 3 of the state in which the set of an inner lid and a steam conduit is not attached and the outer lid is not closed.

Explanation of symbols

  1 inner pot, 2 rice cooker body, 3 outer lid, 4 inner lid, 5 steam conduit, 6 tank, 21 bottom plate of rice cooker body, 22 front surface of rice cooker body, 41 stainless steel, 42 packing, 43 frame, 51 conduit Base body, 52 Conduit lid, 61 Tank body, 62 Tank lid, 62a Steam inlet, 100 Rice cooker, 201 Outer lid locking part, 202 Heating coil, 203 Power supply board, 204 Inner frame convex part, 301 Outer lid holding Member, 302 latch, 303 steam conduit housing portion, 304 steam conduit holding member (first working piece), 305 heat sink, 306 temperature sensor, 307 inner lid holding member (second working piece), 308 operation board, 401 inner lid Locking portion, 402 inner lid steam hole, 501 steam conduit locking portion, 502 inner lid connecting portion, 503 tank connecting portion.

Claims (7)

An inner pot to put the object to be heated,
A rice cooker body in which a heating element is arranged and accommodates and heats the inner pot;
An outer lid that covers the upper part of the rice cooker body so as to be freely opened and closed;
An inner lid that is detachably attached to the outer lid and has a hole for discharging steam generated from the heated object;
A tank that is attached to the rice cooker body, takes in steam generated from the heated object, and condenses,
A vapor conduit that is detachably attached to the outer lid and that communicates the hole formed in the inner lid and the tank;
When the steam conduit or the inner lid is not mounted at a predetermined position, the outer lid cannot be fixed at a closed position that covers the upper portion of the rice cooker body. When the steam conduit is not mounted, the first working piece is located at the first portion, and when the steam conduit is mounted, the first working piece is pressed by the steam conduit and displaced from the first portion to the second portion. Provided in the outer lid,
The first part of the first working piece is in a closed position where the first working piece hits the upper part of the rice cooker body when the outer cover is closed, and the outer cover covers the upper part of the rice cooker body. It ’s a position that prevents you from coming,
2. The rice cooker according to claim 1, wherein the second part of the first operating piece is a position that does not prevent the outer lid from coming to a closed position in a state of covering an upper portion of the rice cooker body.   The rice cooker according to claim 2, wherein the first operating piece is a steam conduit holding member that fixes the steam conduit to the outer lid. When the inner lid is not attached, the second operating piece is located at the third part, and when the inner lid is attached, the second operating piece is pressed by the inner lid and displaced from the third part to the fourth part. On the outer lid,
The third part of the second working piece is such that when the outer lid is closed, the second working piece hits the upper part of the rice cooker body or the upper part of the inner pot, and the outer cover touches the upper part of the rice cooker body. It is a position that prevents it from coming to the closed position in the covering state,
4. The rice cooker according to claim 1, wherein the fourth portion of the second operating piece is a position that does not prevent the outer lid from coming to a closed position in a state of covering an upper portion of the rice cooker body.   The rice cooker according to claim 4, wherein the second operating piece is an inner lid holding member that fixes the inner lid to the outer lid.   The rice cooker according to claim 4 or 5, wherein the inner lid is attached to the outer lid only when the steam conduit is attached to the outer lid.   The rice cooker according to any one of claims 1 to 5, wherein the steam conduit and the inner lid are integrally formed in advance.

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