JP5247292B2 - rice cooker - Google Patents

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

  Since the inside of the container (tank) containing the cooling water is likely to cause germs and odor, it is preferable to remove the container from the rice cooker so that it can be cleaned. Moreover, it is preferable to remove the container from the main body so that it can be carried in order to exchange water or adjust the amount of water. However, when the container is made detachable from the rice cooker, there is a risk that cooking will start without forgetting to attach the container.

  The present invention was made to solve the above problems, and in a rice cooker that condenses steam generated during heating by guiding it to a container containing cooling water, the container is detachably provided, An object of the present invention is to provide a rice cooker that can easily clean and adjust the amount of water, and can also prevent forgetting to wear it.

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 and a tank that is detachably attached to the rice cooker body and takes in the steam generated from the heated object and condenses, and is first when the tank is not attached to the rice cooker body. When the tank is mounted on the rice cooker body, the first working piece that is pressed by the tank and is displaced from the first part to the second part is provided in the rice cooker body, The first part of the operating piece is a position that prevents the outer lid from hitting the first operating piece and reaching the closed position in a state of covering the upper part of the rice cooker body, and the second part of the first operating piece is Closed position with the outer lid covering the top of the rice cooker body It is intended to be a position that does not interfere with the come to.

  Moreover, the inner pot which puts a to-be-heated material, the heating element is arrange | positioned, the rice cooker main body which accommodates and heats the said inner pot, the outer lid which covers the upper part of the said rice cooker main body so that opening and closing is possible, and the said rice cooking A tank that is detachably attached to the cooker body, takes in steam generated from the object to be heated and condenses, and a sensor that detects whether or not the tank is attached to the rice cooker body. While the installation of the tank is not detected, the energization of the heating element is cut off.

  According to the rice cooker which concerns on this invention, since a tank can be removed from a rice cooker main body, cleaning of a tank and taking in and out of water can be performed easily. In addition, when the tank is not in place, the outer lid of the rice cooker will not close, or rice cooking will not start, so the user can easily notice abnormalities and check the tank to ensure that it is installed. Can be done. 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) into which the heated object to be cooked enters, the rice cooker body 2 that houses and heats the inner pot 10, 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 perspective view of the state which removed the tank 6 from the rice cooker main body 2 in FIG. 2 was shown. As shown in FIG. 2, the tank 6 is attached so that it may fit in the bottom plate 21 and the front surface 22 of the rice cooker main body 2 formed according to the shape. The tank 6 includes a tank main body 61 having an open upper portion and a tank lid 62 that covers the upper portion of the tank main 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.
When the outer lid 3 is 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 upper portion of the rice cooker main body 2 is It is fixed in the covered state (closed state). 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 by the engagement with the lid engaging portion 201 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. The outer lid 3 includes the outer lid holding member 301 and the latch 302 described above. 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 includes 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 that fixes 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 of the rice cooker body 2 at the front surface 22 of the rice cooker body 2.

  In the rice cooker of the first embodiment as described above, the outer lid 3 is not closed when the tank 6 is not attached to the rice cooker body 2. In the following, an example of this will be described based on examples.

Example 1.
FIG. 4 is a configuration diagram of the first embodiment of the rice cooker in a state where the tank 6 is mounted on the rice cooker body 2 and the outer lid 3 is closed, and FIG. 5 is an outside view where the tank 6 is not mounted on the rice cooker body 2. It is a lineblock diagram of Example 1 of a rice cooker in the state where lid 3 is not closed.
Here, the horizontal part 210a which protruded from the front surface 22 of the rice cooker main body 2 and the vertical part 210b which protruded above the rice cooker main body 2 are provided, and the 1st action | operation piece 210 which can move to a horizontal direction is provided. The first operating piece 210 is urged outward by an elastic material 211 such as a spring.
When the tank 6 is not attached to the rice cooker body 2, the working piece corresponding portion 310 of the outer lid 3 hits the tip of the vertical portion 210b of the first working piece 210, and the outer lid 3 is finally closed. Therefore, 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 mount the tank 6.
On the other hand, when the tank 6 is attached to the rice cooker main body 2, the side surface of the tank main body 61 presses the horizontal portion 210a of the first working piece 210 to compress the elastic material 211, and the first working piece 210 moves inward. Let As a result, the tip of the vertical portion 210b of the first working piece 210 that has been in contact with the working piece corresponding portion 310 of the outer lid 3 is disengaged from the working piece corresponding portion 310 so that the outer lid 3 can be moved to the final closed position. Thus, 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. Therefore, when the tank 6 is attached to the rice cooker body 2, the outer lid 3 is completely closed, and the subsequent operation is possible.
6 is an enlarged view of the portion of the first working piece with the tank 6 mounted in the first embodiment, and FIG. 7 is an enlarged view of the portion of the first working piece with the tank 6 not attached in the first embodiment. Each figure is shown.

Example 2
In the second embodiment, instead of pressing the first operating piece 210 using the side surface of the tank body 61, the tank cover 62 is mounted at a predetermined position using the side surface of the tank cover 62 as shown in FIG. In this case, the first operating piece 210 is pressed. When the tank lid 62 is provided, it is more preferable to use the tank lid 62 from the viewpoint of preventing forgetting to attach the tank lid 62.

Example 3
FIG. 9 is a configuration diagram of Example 3 of the rice cooker in a state in which the tank 6 is mounted on the rice cooker body 2 and the outer lid 3 is closed, and FIG. 10 is outside the tank 6 not mounted on the rice cooker body 2. It is a block diagram of Example 3 of the rice cooker in the state where the lid | cover 3 is not closed.
Here, the horizontal part 220a which protruded from the front surface of the rice cooker main body 2 and the vertical part 220b which protruded above the rice cooker main body 2 are provided, and the 2nd operation piece 220 which can move to an up-down direction is provided. The second operating piece 220 is urged upward by an elastic material 221 such as a spring.
When the tank 6 is not attached to the rice cooker body 2, the second working piece 220 is in the upper position, and the tip of the vertical portion 220 b occupies the outer lid locking portion 201 of the rice cooker body 2. For this reason, the outer lid holding member 301 of the outer lid 3 cannot be locked to the outer lid locking portion 201, and the outer lid 3 cannot be fixed at the closed position. Therefore, the user can detect the abnormality and can reliably install the tank 6.
On the other hand, when the tank 6 is mounted on the rice cooker main body 2, the bottom surface of the side wall of the tank lid 62 presses the horizontal portion 220a of the second working piece 220 to compress the elastic material 221 and the second working piece 220 on the lower side. Move to position. Thereby, the vertical part 220b of the 2nd operation piece 220 located in the outer lid latching part 201 of the rice cooker main body 2 comes off from the outer lid latching part 201 of the rice cooker main body 2, and the outer lid latching part 201 is. 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 that it can be locked. Therefore, when the tank 6 is attached to the rice cooker body 2, the outer lid 3 is completely closed, and the subsequent operation is possible.
11 is an enlarged view of the portion of the second working piece with the tank 6 mounted in the third embodiment, and FIG. 12 is an enlarged view of the portion of the second working piece with the tank 6 not mounted in the third embodiment. Each figure is shown.

Instead of pressing the second working piece 220 downward using the bottom of the side wall of the tank lid 62, a protrusion is formed on the tank body 61, and the second working piece 220 is pressed using the protrusion. You can also do it. However, when the tank lid 62 is provided, it is more preferable to use the tank lid 62 from the viewpoint of preventing forgetting to attach the tank lid 62.
Further, the outer lid locking part 201 is made movable up and down like the second operating piece 220, and the outer lid locking part 201 is an outer lid holding member when the tank 6 is not attached to the rice cooker body 2. When the tank 6 is mounted on the rice cooker main body 2 in a position where the 301 cannot be locked, the tank 6 is pushed down so that the outer lid holding member 301 is displaced to a lockable lower position. Also good.

Embodiment 2. FIG.
In the first embodiment, the outer lid 3 is not closed when the tank 6 is not attached to the rice cooker body 2. However, in the second embodiment, the tank 6 is attached to the rice cooker body 2. In the absence, rice cooking is prevented from starting even if the rice cooker is turned on. For example, the rice cooker body 2 is provided with a sensor (for example, a reed switch, a micro switch, or the like) that detects whether or not the tank 6 is attached to the rice cooker body 2, and the sensor does not detect the attachment of the tank 6. The interval can be realized by turning off the energization circuit to the heating coil 202 as a heating element.
FIG. 13: is a perspective view which shows the whole structure of the rice cooker which concerns on Embodiment 2 of this invention. FIG. 13 is basically the same as FIG. 2, and there are the following three differences.
(1) A magnet (not shown) is provided on the side surface or bottom surface of the tank 6.
(2) The reed switch 23 is arranged in a corresponding part of the rice cooker body 2 that faces when the tank is mounted on the rice cooker body 2.
(3) The reed switch 23 constitutes a part of an energization circuit to the heating coil 202. When the tank 6 is not attached to the rice cooker body 2, the circuit is cut off (OFF state), and the tank 6 cooks rice. When attached to the vessel body 2, the circuit is connected by the magnetic force of the magnet provided in the tank 6 (ON state), and the heating coil 202 can be energized.

According to the second embodiment, when the tank 6 is not attached to the rice cooker body 2, power is not supplied to the heating coil 202, and rice cooking is not started, so that steam leakage can be prevented. In addition, the user can detect the abnormality of the rice cooker and install the tank 6.
Even in the case of the first embodiment, the energization circuit to the heating coil 202 is cut off while the outer lid 3 is not closed, and the heating coil 202 can be energized when the outer lid 3 is normally closed. You may make it be a state.

The perspective view which shows the whole rice cooker structure which concerns on Embodiment 1 of this invention. The perspective view of the state which removed the tank from the rice cooker main body. The exploded view before integrating an outer cover, an inner cover, and a steam conduit. The block diagram of Example 1 of the state with which the tank was mounted | worn and the outer cover was closed. The block diagram of Example 1 of the state which the tank is not mounted | worn but an outer cover does not close. The enlarged view of the part of the 1st operation piece in the state where the tank was equipped in Example 1. FIG. The enlarged view of the part of the 1st action | operation piece in the state in which the tank is not mounted in Example 1. The block diagram of Example 2 of the state with which the tank was mounted | worn and the outer cover was closed. The block diagram of Example 3 of the state with which the tank was mounted | worn and the outer cover was closed. The block diagram of Example 3 of the state which the tank is not mounted | worn but an outer cover does not close. The enlarged view of the part of the 2nd operating piece in the state with which the tank was mounted | worn in Example 3. FIG. The enlarged view of the part of the 2nd operation piece in a state where a tank is not attached in Example 3. The perspective view which shows the whole rice cooker structure which concerns on Embodiment 2 of this invention.

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, 23 reed switch, 41 stainless steel, 42 packing, 43 frame Body, 51 conduit base, 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, 210 first working piece, 210a horizontal portion, 210b vertical portion, 211 elastic body, 220 second working piece, 220a horizontal portion, 220b vertical portion, 211 elastic body, 301 outer lid holding member, 302 latch, 303 steam conduit housing portion, 304 steam conduit holding member , 305 Heat radiation plate, 306 Temperature sensor, 307 Inner lid holding member, 308 Operation board, 310 Working piece corresponding part, 401 Inner lid Parts, the lid steam hole 402, 501 steam conduit retaining portion, a lid connection part 502, 503 tank connection.

Claims (5)

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;
A detachably attached to the rice cooker body, and a tank that takes in the steam generated from the heated object and condenses it,
When the tank is not attached to the rice cooker body, it is located at the first part, and when the tank is attached to the rice cooker body, it is pressed by the tank and displaced from the first part to the second part. A first operating piece is provided in the rice cooker body,
The first portion of the first working piece is a position that prevents the outer lid from coming to a closed position in a state of covering the upper part of the rice cooker body by hitting the first working piece,
The 2nd site | part of the said 1st operation piece is a position which does not prevent the said outer cover from coming to the closed position of the state which covers the said rice cooker main body upper part, The rice cooker characterized by the above-mentioned. The tank includes a tank body having an upper opening and a tank lid that detachably covers the upper portion of the tank body, and the first working piece is configured such that the tank lid is attached to the tank body. by being attached to the rice cooker body, displaced from said first portion to the second portion, cooker according to claim 1, wherein a. 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;
A tank that is detachably attached to the rice cooker body, takes in the steam generated from the heated object, and condenses.
An outer lid locking portion provided on the rice cooker body and having a locking portion for fixing the outer lid to a closed position in a state of covering the upper portion of the rice cooker body;
An outer lid holding member that is provided on the outer lid and can be locked to the outer lid locking portion;
A second operating piece that is movable up and down, occupies the locking portion of the outer lid locking portion when in the upper position, and opens the locking portion when in the lower position;
The second operating piece is
When the tank is not attached to the rice cooker body, it is in the upper position, and when the tank is attached to the rice cooker body, it is pushed down by the tank and displaced from the upper position to the lower side. A rice cooker characterized by that. 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;
A tank that is detachably attached to the rice cooker body, takes in the steam generated from the heated object, and condenses.
An outer lid locking portion provided on the rice cooker body and having a locking portion for fixing the outer lid to a closed position in a state of covering the upper portion of the rice cooker body;
An outer lid holding member provided on the outer lid and capable of being latched with the outer lid locking portion;
The outer lid locking portion is provided in the rice cooker body so as to be movable up and down,
The outer lid locking part is
When the tank is not attached to the rice cooker body, it is in the upper position where the outer lid holding member cannot be locked, and when the tank is attached to the rice cooker body, it is pushed down by the tank and the outer lid holding member The rice cooker is characterized by being displaced to the lower side where it can be locked. A sensor for detecting whether or not the tank is attached to the rice cooker body;
While the sensor does not detect the mounting of the tank, rice cooker according to any one of claim 1 to 4, said power supply to the heating element and the cut-off state and it is characterized.

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