JP2010104567A - Rice cooker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily attach and detach a steam treatment tank to and from a rice cooker body, and to improve appearance when the steam treatment tank is attached to the rice cooker body even when the dimension accuracy of the rice cooker body and the steam treatment tank is bad or distortion is generated as secular change. <P>SOLUTION: The rice cooker includes the rice cooker body 1, and the steam treatment tank 10 detachably mounted to the rice cooker body for housing cooling water for condensing steam generated during a rice cooking operation to water. The horizontal width of the rice cooker body and the horizontal width of the steam treatment tank are formed into the same dimension, a tank receiving base 20 projecting forward from a position near the inner side respectively from both sides of a lower part of the front surface of the rice cooker body is provided, and when the bottom part of the steam treatment tank is mounted on the tank receiving base, spaces 25 are formed at lower parts on both sides of the bottom part of the steam treatment tank, respectively. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a rice cooker equipped with a steam processing tank for recovering steam, and more particularly to a rice cooker that is easy to attach and detach to and from the steam processing tank and has a good appearance.

A conventional rice cooker has a steam processing tank to collect steam, and the rice cooker body and the steam processing tank are detachably integrated, and when the rice cooker is cleaned, the cooker after cooking Proposals have been made that can easily access dirt on each part of the main body and the steam treatment tank, and improve the cleanability (see, for example, Patent Document 1).
JP 2006-206829 A (page 10, FIG. 10)

The rice cooker equipped with the conventional steam treatment tank as described above is configured separately from the rice cooker body and the steam treatment tank, and when used, the steam treatment tank containing cooling water is used as the rice cooker body. If you want to remove the steam treatment tank from the rice cooker body when you clean it after cooking, you have to remove the steam treatment tank from the rice cooker body with the whole steam treatment tank. However, there was a problem that it was difficult to attach and remove the steam treatment tank.
In addition, the width dimension of the rice cooker body and the width dimension of the steam treatment tank are made equal, and the side surface of the rice cooker body and the side surface of the steam treatment tank are flush with each other. In addition, there is a problem that the dimensional accuracy of the steam processing tank is poor, or a step or a gap is generated at the joint portion between the rice cooker body and the steam processing tank due to distortion due to secular change or the like.
The present invention was made to solve such problems, it is easy to attach and remove the steam treatment tank to the rice cooker body, the dimensional accuracy of the rice cooker body and the steam treatment tank is poor, and the secular change And even if distortion arises, when a steam processing tank is attached to the rice cooker main body, it aims at obtaining a rice cooker with good appearance.

  The rice cooker according to the present invention includes a rice cooker body, an inner pot detachably attached to the rice cooker body, a heating means provided inside the rice cooker body and heating the inner pot, and the rice cooker. In a rice cooker equipped with a lid that is freely openable and closable on the main body, and a steam processing tank that is detachably installed on the rice cooker main body and contains cooling water for condensing steam generated during the rice cooking operation The horizontal width of the rice cooker body and the horizontal width of the steam processing tank are formed to have the same dimensions, project from the lower side of the side wall surface of the rice cooker body to the front side, and place the bottom of the steam processing tank. For this purpose, when the bottom of the steam processing tank is placed on the tank receiving base, spaces are respectively formed below both sides of the bottom of the steam processing tank.

  In the rice cooker according to the present invention, the rice cooker body and a steam treatment tank that is detachably installed in the rice cooker body and contains cooling water for condensing steam generated during the rice cooking operation, The horizontal width of the rice cooker body and the horizontal width of the steam processing tank are formed to the same size, and the tank receiver for projecting forward from the inward position from both sides of the lower side of the side wall surface of the rice cooker body and placing the bottom of the steam processing tank. When installing the base and placing the bottom of the steam treatment tank on the tank cradle, a space was formed below both sides of the bottom of the steam treatment tank, so when removing the steam treatment tank from the rice cooker body The steam processing tank can be easily removed from the rice cooker body by placing a hand in the space formed below each side of the bottom of the steam processing tank and lifting the steam processing tank upward. Also, when attaching the steam processing tank to the rice cooker body, by holding the steam processing tank by putting the hands in the part where the lower space on each side of the bottom of the steam processing tank is formed, It became possible to easily place the bottom of the steam treatment tank on a tank cradle provided at the lower front of the rice cooker body.

  1 is a perspective view showing a state in which a lid is opened in the rice cooker according to the embodiment of the present invention. FIG. 2 is a perspective view showing a state in which the lid is opened by the rice cooker and a steam treatment tank is removed. Is a perspective view showing a state in which the steam conduit is connected to the inner lid and the steam treatment tank in the rice cooker, FIG. 4 is a sectional view taken along line AA in FIG. 3, and FIG. 5 is a perspective view of the rice cooker as viewed from below. 6 is a partial cross-sectional view of the rice cooker as viewed from the front, FIG. 7 is a partial cross-sectional view of the rice cooker as viewed from the side, and FIG. 8 is a plan view showing a state where the lid is opened with the rice cooker. FIG. 9 and FIG. 9 are partially enlarged views showing a connecting portion between the rice cooker body and the steam processing tank of the rice cooker.

As shown in FIGS. 1-4, the rice cooker main body 1 is equipped with the inner pot 2 so that attachment or detachment is possible inside. The inner pot 2 is heated by heating means (not shown) provided inside the rice cooker body 1.
A lid 3 that covers the upper part of the rice cooker body 1 is attached to the rice cooker body 1 so as to be freely opened and closed.
An inner lid 4 is detachably attached to the lower surface of the lid 3, and a lid sensor 5 comprising a thermistor for detecting the atmospheric temperature inside the inner pot 2 is attached to the inner lid 4. Further, a steam intake 6 is provided in the inner lid 4, and one end of a steam conduit 7 disposed in the lid 3 is connected to the steam intake 6. Reference numeral 8 denotes a sealing material attached to the other end of the steam conduit 7.
Moreover, the steam processing tank 10 which accommodates the cooling water of the predetermined | prescribed water level for condensing the vapor | steam which generate | occur | produces during rice cooking operation | movement is attached to the front side of the rice cooker main body 1 so that attachment or detachment is possible.

  The steam processing tank 10 has the same width of the rice cooker body 1, a small width in the front-rear direction and a long and narrow width, and an upper opening of the tank body 11 containing cooling water having an upper opening. An upper lid 12 that is fitted and closes the opening, a packing 13 that is attached to the lower surface of the upper lid 12, has the same shape as the opening of the tank body 11, and a small steam conduit receiving port 14 that is provided on one side of the upper lid 12. A communication pipe 15 that is integrally attached to the steam conduit receiving port 14 so as to hang down in the tank main body 11, a trumpet-shaped sound deadening member 16 that is attached to the lower end of the communication pipe 15, and a front side of the tank main body 11. It is comprised from the tank cover 17 attached so that it might cover.

The communication pipe 15 is formed so as to hang from the steam pipe receiving port 14 and reach the vicinity of the bottom of the tank body 1.
Moreover, the other end to which the seal 8 of the steam conduit 7 disposed in the lid 3 is attached is, as shown in FIGS. 3 and 4, when the lid 3 is closed to the rice cooker body 1. The steam treatment tank 10 is configured to be connected to and communicate with the steam conduit receiving port 14 of the upper lid 12 of the steam processing tank 10.

A tank cradle 20 is provided at the lower front portion of the rice cooker body 1 so as to protrude forward from the inner side position from both sides thereof. The tank cradle 20 has a recess 20a.
Therefore, the width of the tank cradle 20 is smaller than the width on the front side of the rice cooker body 1. Moreover, since the width of the front side of the rice cooker body 1 is the same as the width of the steam processing tank 10, the width of the tank cradle 20 is smaller than the width of the steam processing tank 10.
Further, the protruding dimension of the tank cradle 20 is slightly smaller than the depth dimension of the steam processing tank 10.
Further, the height of the steam processing tank 10 is such that when the steam processing tank 10 is placed on the tank cradle 20, the upper surface of the rice cooker body 1 and the upper surface of the steam processing tank 10 are flush with each other. It is formed. That is, the height dimension of the steam processing tank 10 is formed by subtracting the height dimension of the tank cradle 20 from the height dimension of the rice cooker body 1.

In addition, a pair of locking receiving groove portions 21 are provided side by side on both upper sides of the front wall, which is a joining wall to which the steam processing tank 10 in the rice cooker body 1 is joined.
On the other hand, a pair of rice cakes that are engaged with the pair of engaging groove receiving portions 21 of the rice cooker body 1 on both sides of the upper surface of the rear wall that is a joining wall to which the rice cooker body 1 is joined in the steam processing tank 10. A shaped locking portion 18 is provided.
Furthermore, the bottom of the tank body 11 is provided with a protrusion 11a that fits into the recess 20a of the tank cradle 20 of the rice cooker body 1.
Moreover, the C surface 22 is formed in the corner | angular part of both sides of the front wall which is a joining wall of the rice cooker main body 1, and the corner | angular part of both sides of the rear surface wall which is a joining wall of the steam processing tank 10, respectively.
The C surface 22 here refers to a surface that includes a flat surface obtained by cutting a corner portion in a straight line and a curved surface in which both sides of the flat surface are formed as R surfaces.

In this Embodiment 1, when attaching the steam processing tank 10 which accommodated the cooling water to the rice cooker main body 1, put a hand on both sides of the bottom part of the steam processing tank 10, hold the steam processing tank 10, and the steam processing tank 10 A pair of bowl-shaped locking portions 18 provided on both upper sides of the rear wall are locked so as to be hooked on a pair of locking groove receiving portions 21 provided on both upper sides of the front wall of the rice cooker body 1.
If it does so, it will be in the state by which the bottom part of the steam processing tank 10 was mounted in the tank stand 20 provided in the front lower part of the rice cooker main body 1. FIG.
Thus, when the steam processing tank 10 is mounted and mounted on the tank cradle 20 on the front side of the rice cooker body 1, the protrusion 11 a provided at the bottom of the tank body 10 of the steam processing tank 10 serves as a rice cooker. The steam processing tank 10 is positioned by fitting into the recess 20 a of the tank cradle 20 of the vessel body 1.
And the width of the tank cradle 20 is formed to be smaller than the width of the steam treatment tank 10, and the tank cradle 20 protrudes forward from the inward position from the both sides of the front lower part of the rice cooker body 1. 1 and the horizontal dimension of the steam treatment tank 10 are the same. Therefore, as shown in FIG. 5, a tank cradle 20 is formed below each of both sides of the bottom of the steam treatment tank 10 from the lateral width of the steam treatment tank 10. A space 25 having a height of the tank cradle 20 is formed with a width that is only half the size of the small width of the tank.

  Therefore, when removing the steam processing tank 10 from the rice cooker body 1, by putting a hand in the space 30 formed below each of the both sides of the bottom of the steam processing tank 10 and lifting the steam processing tank 10 upward, A pair of bowls on both sides of the upper part of the rear wall of the steam processing tank 10 are released from the fitting of the protrusion 11a at the bottom of the tank body 11 of the steam processing tank 10 to the recess 20a of the tank cradle 20 of the rice cooker body 1. The state locking portion 18 is unlocked from the pair of tank locking groove receiving portions 21 on both upper sides of the front wall of the rice cooker body 1, and the steam processing tank 10 can be easily removed from the rice cooker body 1.

  Moreover, also when attaching the steam processing tank 10 to the rice cooker main body 1, it has the steam processing tank 10 by putting a hand in the part in which each lower space 30 of the both sides of the bottom part of the steam processing tank 10 is formed, A pair of bowl-shaped locking portions 18 on both upper sides of the rear wall of the steam processing tank 10 are locked to a pair of tank locking groove receiving portions 21 on both upper sides of the front wall of the rice cooker body 1. It becomes easy to place the bottom on the tank cradle 20 provided at the lower front of the rice cooker body 1.

  Moreover, since the corner | angular part of the both sides of the front wall of the rice cooker main body 1 and the both corners of the rear surface wall of the steam processing tank 10 are each formed in the C surface 22, the steam processing tank 10 is made into the rice cooker main body 1. When attached, both sides of the joined portion between the rice cooker body 1 and the steam processing tank 10 are formed with steps that are attractive in design, so the dimensional accuracy of the rice cooker body 1 and the steam processing tank 10 is somewhat worse. However, even if the level of the step is slightly different, the appearance does not deteriorate, and even if distortion occurs due to secular change, the appearance does not deteriorate so much only if the level of the step is slightly different.

  In the first embodiment, the corners on both sides of the front wall of the rice cooker body 1 and the corners on both sides of the rear wall of the steam treatment tank 10 are formed on the C surface 22 in order to improve the design. However, even if the corners on both sides of the front wall of the rice cooker body 1 and the corners on both sides of the rear wall of the steam processing tank 10 are curved surfaces, the steam processing tank 10 is attached to the rice cooker body 1. In this case, steps are formed on both sides of the joint portion between the rice cooker body 1 and the steam processing tank 10, so even if the dimensional accuracy of the rice cooker body 1 and the steam processing tank 10 is somewhat poor, the level of the steps is slightly different. The appearance does not deteriorate so much, and even if distortion occurs due to secular change, the appearance does not deteriorate so much only by the difference in level of the step.

The perspective view which shows the state which opened the cover body with the rice cooker of embodiment of this invention. The perspective view which shows the state which opened the cover body and removed the steam processing tank with the rice cooker. The perspective view which shows the state by which the steam conduit | pipe was connected to the inner cover and the steam processing tank with the rice cooker. AA line sectional view of FIG. The perspective view which looked at the same rice cooker from the lower part. The fragmentary sectional view which looked at the rice cooker from the front. The partial sectional view which looked at the rice cooker from the side. The top view which shows the state which opened the cover body with the rice cooker. The elements on larger scale which show the connection part of the rice cooker main body and steam processing tank of the rice cooker.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Rice cooker main body, 2 Inner pan, 3 Lid body, 4 Inner lid, 5 Lid sensor, 6 Steam inlet, 7 Steam conduit, 10 Steam processing tank, 11 Tank body, 11a Protrusion, 12 Upper lid, 14 Steam conduit receptacle Mouth, 15 communication pipe, 17 tank cover, 18 hook-shaped locking part, 20 tank cradle, 20a recess, 21 locking groove receiving part, 22 C surface, 25 space.

Claims (4)

A rice cooker main body, an inner pan detachably attached to the rice cooker main body, a heating means provided inside the rice cooker main body for heating the inner pan, and openable and closable provided on the rice cooker main body In the rice cooker provided with a steam treatment tank that is detachably installed on the lid and the rice cooker body, and contains cooling water for condensing steam generated during the rice cooking operation,
The width of the rice cooker body and the width of the steam treatment tank are formed in the same dimensions,
Protruding forward from the inner side position from both sides of the lower side of the side wall surface of the rice cooker body, provided a tank cradle for placing the bottom of the steam treatment tank,
A rice cooker characterized in that when the bottom of the steam treatment tank is placed on the tank cradle, spaces are respectively formed below both sides of the bottom of the steam treatment tank.   A pair of locking receiving groove portions are provided side by side on both sides of the upper part of the joint wall of the rice cooker body with the steam treatment tank, and the rice cooker is disposed on both sides of the upper part of the joint wall of the steam treatment tank with the rice cooker body. The rice cooker according to claim 1, wherein a pair of bowl-shaped locking portions that are locked so as to be hooked on the pair of locking groove receiving portions of the main body are provided.   The rice cooker according to claim 1 or 2, wherein a concave portion is formed in the tank cradle, and a protrusion that fits into the concave portion of the tank cradle is provided at the bottom of the steam treatment tank.   The C surface or the R surface is formed at each of the corners on both sides of the joining wall of the rice cooker body and the corners on both sides of the joining wall of the steam treatment tank, respectively. Rice cooker as described in.

Images