JP3412598B2 - Electric rice cooker - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric rice cooker, and more specifically, to an outer case that forms the outer wall of the rice cooker body as an outer wall, and a bottom body that forms a bottom part that becomes an outer bottom wall. Relates to an electric rice cooker.

[0002]

2. Description of the Related Art Conventionally, in this type of rice cooker, as shown in FIGS. 11 to 12, the outer wall of the rice cooker main body 1 is
There is known an electric rice cooker including an outer case 5 that forms a body that serves as an outer wall and a bottom body 8 that forms a bottom that serves as an outer bottom wall.

[0003]

However, the bottom body 8 forming the bottom portion which becomes the outer bottom wall of the above-described structure is on the same line where the height B of the front portion 8a and the height A of the rear portion 8b are equal. Since it is formed, when the upper end opening edge of the bottom body 8 and the lower end opening edge of the outer case that forms the outer wall part are fitted and fitted, It was necessary to simultaneously position and fit both the front portion 8a and the rear portion 8b of the bottom body 8. Since both the front part 8a and the rear part 8b of the bottom body 8 must be positioned at the same time in this way, the assembly work by this fitting requires a lot of work and hinders the working efficiency, and sometimes the fitting is performed. It could cause a defect.

Further, since the front portion 8a of the bottom body 8 is formed at the same height as the rear portion 8b, the height B of the bottom body front portion 8a becomes relatively high, and the bottom body front Part 8a
Outer case 5 in the front part of the outer case 5 fitted to the
In some cases, there were restrictions on the free design of the external shape that accommodates the installation of various parts inside.

The present invention has been made in view of the above problems, and the position for fitting the outer case and the bottom body can be surely and easily performed with a simple structure. The appearance shape in can be freely designed,
The purpose is to provide those that can improve the function.

[0006]

In order to achieve the above object, in the electric rice cooker of the present invention according to claim 1, the rice cooker main body having an inner pot housed therein and the opening of the rice cooker main body are opened and closed. A lid that freely covers, heating means that heats the inner pot, and a cooling
In an electric rice cooker provided with a blower fan for rejection, the rice cooker main body forms an outer wall by an outer case forming a body part serving as an outer wall and a bottom body forming a bottom part serving as an outer bottom wall. , The bottom body is formed to have a lower height at the front portion of the bottom body compared to the height displaced to the upper portion within the range in which the width of the plug withdrawal opening in the rear portion of the bottom body is increased. the air intake is formed on the lower surface front portion of the bottom member, and an air outlet from the lower surface rear portion of the bottom member to a higher rearward portion side position than before Kisora air intakes <br/>, and the front portion Blower between the rear part
The feature is that it is a cooling passage by fan .

In this structure, the bottom body is formed so that the height of the front portion of the bottom body is lower than the height of the rear portion of the bottom body, so that the rear portion of the bottom body projects from the front portion. A recessed part will be formed in the rear part of the outer case corresponding to the part, and when the outer case is fitted into the bottom body, the protruding part of the bottom body is once fitted into the recessed part of the outer case as a guide. By positioning the front part of the bottom body in this position, it is possible to automatically fit the front part of the bottom body in the subsequent fitting process. Since it is not necessary to perform these simultaneously, it is possible to surely and easily perform the positioning for fitting the bottom body and the outer case with a simple configuration.

Moreover, with it, to the bottom member rear portion
Within the range that exceeds the width of the plug outlet
By forming the height of the front portion to be lower than the height at which it is dislocated, it is possible to widely form the body portion, which is the outer wall of the outer case, outside the plug drawer opening in correspondence with this low portion,
At the front part of this widely formed outer case, you can freely design the external shape corresponding to the installation of various parts in the outer case, improve its function, and make the height of the outer case low. As a result, the height of the rice cooker itself is lowered, and the rice cooker can be made compact. Further, the air inlet is formed on the lower surface front portion of the bottom member, and an air outlet to the high rear portion side position than before Kisora air intake from the bottom surface rear portion of the bottom member, the front portion and the rear portion Send between
Cooling efficiency can be improved by using the cooling passage by the wind fan .

Further, in the electric rice cooker of the present invention according to claim 2, the rice cooker main body having the inner pot housed therein, the lid body for opening and closing the opening of the rice cooker main body, and the inner pot are heated. In an electric rice cooker including a heating unit and a blower fan for cooling, the rice cooker body has an outer case that forms a body portion that serves as an outer wall, and a bottom body that forms a bottom portion that serves as an outer bottom wall.
It is composed of an inner container that forms the inside that becomes the inner wall,
A cord reel is provided in a space formed between the outer case, the bottom body, and the inner container, and a plug withdrawal opening for pulling out the cord reel plug is formed at a rear portion of the bottom body. Is formed so that the height of the front part of the bottom body is lower than that of the plug outlet, and the rear part of the bottom body is displaced to the upper part within the range that exceeds the width of the plug outlet and is formed higher than the plug outlet. the air intake is formed on the lower surface front portion of the body, it is higher than the lower surface rear portion of the bottom member prior Kisora air intakes
The air outlet is formed up to the rear side surface position,
It is characterized in that a cooling passage by a blower fan is provided between the rear part and the rear part .

In such a structure, the cord reel is provided in the space formed between the outer case, the bottom body and the inner container, and the plug withdrawal port for pulling out the plug of the cord reel is provided at the rear portion of the bottom body. Since the height of the front part of the bottom body is made lower and the height of the rear part of the bottom body is made higher than the height of the opening of this plug outlet, By forming the plug outlet within the range so that the height of the front part of the bottom body is made low, the plug outlet can be molded with one part of the bottom body without the need to mold the outer case. Therefore, the molding die for the outer case can be simplified.

[0011] Then, the invention as well as can be aligned for fitting in of the bottom member and the outer casing can be reliably and easily performed with a simple structure, along with it, the bottom member front
Make the height of the part lower than the plug outlet and pull out the plug.
Remove the plug by pulling it out at the top within the range that exceeds the width of the mouth
And that low rather formed to increase the formed bottom member rear portion than the mouth, can be widely forming the body portion comprising an outer wall of the outer case in correspondence with the lower part out of the plug outlet In the front part of this widely formed outer case, the outer shape can be freely designed corresponding to the installation of various parts in the outer case, its function can be improved, and the height of the outer case can be made low. This makes it possible to reduce the height of the rice cooker itself and achieve compactness. Further, the air inlet is formed on the lower surface front portion of the bottom member, and an air outlet to the high rear portion side <br/> position than before Kisora air intake from the bottom surface rear portion of the bottom member, the front Part and rear part
The cooling efficiency can be improved by providing a cooling passage with a blower fan between them .

Further, in the electric rice cooker of the present invention according to claim 3, the rice cooker main body having the inner pot housed therein, the lid body for opening and closing the opening of the rice cooker main body, and the inner pot are heated. In an electric rice cooker including a heating unit and a blower fan for cooling, the rice cooker body has an outer case that forms a body portion that serves as an outer wall, and a bottom body that forms a bottom portion that serves as an outer bottom wall.
It is composed of an inner container that forms the inside that becomes the inner wall,
The bottom body is formed such that the height of the front portion of the bottom body is lower than the height position of the bottom surface of the inner container, and the height of the rear portion of the bottom body is at the rear portion of the bottom body. higher formed off the top in a range around top width of the air inlet is formed on the lower surface front portion of the bottom member, to a higher rearward portion side position than before Kisora air intake from the bottom surface rear portion of the bottom member An air outlet is formed, and a blower fan is provided between the front part and the rear part.
It features a cooling passage .

In such a structure, the bottom body is formed such that the height of the front portion of the bottom body is lower and the height of the rear portion of the bottom body is higher than the height position of the bottom surface in the inner container. Therefore, the bottom surface of the inner container is positioned corresponding to the position reinforced by the mutual fitting of the outer case and the bottom body between the height of the front portion of the bottom body and the height of the rear portion of the bottom body. Therefore, the inner pot placed and stored on the bottom surface of the inner container is stored in a stable state.

[0014] Then, the invention as well as can be aligned for fitting in of the bottom member and the outer casing can be reliably and easily performed with a simple structure, along with it, the bottom member rear
Within the range that exceeds the width of the plug outlet on the
By forming reducing the height of the front portion relative to the bottom body rear portion which is formed higher off the part, wide body portion comprising an outer wall of the outer case in correspondence with the lower part out of the plug outlet The outer shape of the outer case, which can be formed widely, can be freely designed in the front part corresponding to the installation of various parts in the outer case to improve its function and height of the outer case. It can be formed low, and the height of the rice cooker itself is low, so that it can be made compact. Further, the air inlet is formed on the lower surface front portion of the bottom member, and an air outlet to the high rear portion side position than before Kisora air intake from the bottom surface rear portion of the bottom member, the front
The cooling efficiency can be improved by forming the cooling passage by the blower fan between the rear portion and the rear portion .

[0015]

[0016]

[0017]

[0018]

As far as possible, the further objects and features of the present invention can be used alone or in combination in various combinations.

[0020]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, some preferred embodiments of the present invention will be described with reference to the accompanying drawings.
0 will be described to provide an understanding of the present invention.

However, the present invention is not limited to the following embodiments, and the material shapes of the constituent parts described in the following embodiments are within the scope of the present invention unless otherwise specified. Is not intended to be limited only to them,
It is just an example of explanation.

(Embodiment 1) The present embodiment 1 is shown in FIG.
As shown in FIG. 3, the rice cooker main body 1 accommodates an inner pan 3 for cooking rice, and the lid body 2 that covers the upper opening of the rice cooker main body in an openable and closable manner.

In the rice cooker body 1, an outer wall is formed by an outer case 5 made of synthetic resin forming a body portion serving as an outer wall and a bottom body 8 made of synthetic resin forming a bottom portion serving as a bottom wall, and an inner wall. Bottomed inner container 6 made of synthetic resin that forms the inside
And a shoulder portion 7 made of synthetic resin that connects the upper end of the inner container 6 and the upper end of the outer case 5.
A space 4 is formed by being surrounded by the outer case 5, the bottom body 8, the inner container 6 and the shoulder portion 7, and the inner pot 3 is removably housed in the inner container 6.

A sensor hole 9a is formed in the center of the bottom surface of the inner container 6 so as to face the center sensor 9 which functions as a temperature detecting means for detecting the temperature of the inner pot 3.

An annular electromagnetic induction coil (hereinafter, referred to as a work coil for cooking rice) 10 which serves as a heating means for cooking rice and keeping it warm so as to surround the sensor hole 9a.
Are arranged corresponding to the bottom surface of the inner container 6 and the curved portion between the bottom surface and the side circumferential surface. The work coil 10 for rice cooking generates an alternating magnetic field, and an eddy current which is an induced current is generated in the inner pot 3 by electromagnetic induction of the alternating magnetic field, and heating is performed by using resistance heat of the eddy current. It is supposed to do. The inner pot 3 is made of a material that can generate an eddy current by the work coil 10 for cooking rice.
(For example, a magnetic material).

The work coil 10 for cooking rice is sandwiched between the coil die 11 fixed to the bottom surface of the inner container 6 and the bottom surface of the inner container 6. A center sensor 9 is provided in the sensor hole 9a so as to come into contact with the bottom of the inner pot 3.

On the other hand, the lid 2 has an upper plate 16 made of synthetic resin forming an outer surface, and an inner and outer double vacuum structure which is detachably attached to the lower surface of the upper plate 16 and constitutes the lower surface. And the lower lid 17 made of stainless steel.

The lid 2 is connected to the rice cooker main body 1 in an arc-rotatable and detachable manner via a hinge mechanism 20 formed on one side of the shoulder portion 7.

At the center of the lid body 2, there is formed a cylindrical portion 21 vertically extending from the upper plate 16. Inside the cylindrical portion 21, steam generated during rice cooking is discharged to the outside. A steam cap 23 having a steam discharge passage 22 for discharging is detachably attached. In the steam cap 23, the ball valve 2 acting as a pressure regulating valve
4 are provided.

At the lower end of the steam cap 23, an inner lid 25 made of a good heat conductor (for example, aluminum alloy) for closing the opening 3a of the inner pot 3 when the lid 2 is closed.
Is attached.

The hinge mechanism 20 is a bearing body 60 provided on the shoulder 7 at the rear of the rice cooker main body 1, and is pivotally attached to the bearing body 60 via a hinge pin 62 so that the hinge body 20 can be pivotally rotated. It is constituted by a connecting arm 80 for connecting the.

On the other hand, the lock operation lever 48 is provided above the operation panel 50 provided on the shoulder 7 of the rice cooker body 1, and the lock operation lever 48 is provided at the locking portion 42 formed at the front end of the lid 2. The locking claw 43 is locked so as to maintain the locked state, and the locking is released by the arc rotation by the pressing operation against the spring of the lock operating lever 48, and the lock is connected to the connecting arm 80. The lid body 2 is opened by the biasing force of the torsion spring 55.

Reference numeral 26 is a steam inlet to the steam cap 23, 27 is a steam outlet from the steam cap 24, 2
Reference numeral 9 is a seal packing that seals between the peripheral edge of the inner lid 25 and the opening 3a of the inner pot 3, and 30 is a seal packing that is provided on the outer peripheral edge of the lower lid 17 and seals between the outer peripheral edge of the inner lid 25. , 33 are handles provided on the outer case 5 so as to be rotatable independently.

The shoulder portion 7 has a substantially semicircular shoulder heater 3
1, 31 are provided. The outer peripheral edge of the inner lid 25 is pressed against the shoulder heaters 31 and 31 when the lid 2 is closed, and the inner lid 25 is heated by heat conduction from the shoulder heaters 31 and 31.

With this structure, the heat conducted from the shoulder heater 31 and radiated from the inner lid 25 during heat retention is transferred to the inner lid 25 and then radiated to the surface of the rice in the inner pot 3. The Rukoto.

Further, the steam generated during the rice cooking passes through the space 37 between the inner lid 25 and the lower lid 17, and is discharged to the outside through the steam inlet 26 and the steam outlet 27 of the steam cap 23. Therefore, the steam discharge path becomes long, and blowout can be reduced.

In this construction, as shown in FIGS. 7 and 10, the bottom body 8 of the rice cooker body 1 is formed by integrally molding a plurality of leg portions 32 of the rice cooker body 1 on the lower surface, and along the inner circumference of the inside. A plurality of reinforcing ribs 81 are integrally formed by standing upright with a predetermined interval. The reinforcing rib 81 reinforces the bottom body 8 and a space 86 is provided between the reinforcing rib 81 and the inner side of the upper opening edge 85 that forms a joint edge with the outer case 5 by being fitted into the outer case 5.
Is provided so as to project upward.

On the other hand, the outer case 5 has a lower opening edge 52 which forms a joining edge of a corresponding shape to be joined to the upper opening edge 85 of the bottom body 8, and is formed on the inner peripheral side of the lower opening edge 52. A ring-shaped fitting ring 53 is formed integrally with the lower opening edge 52 so as to project, and the protruding fitting ring 53 is spaced 86 from the reinforcing rib 81 formed inside the upper opening edge 85 of the bottom body 8. Fit in. By this fitting, the upper opening edge 85 of the bottom body 8 is joined to the lower opening edge 52 of the outer case 5. Then, as shown in FIG. 3, the screw 1 is attached to the screwing boss 12 formed on the back surface of the inner container 6 from the lower surface of the bottom body 8.
3, the outer case 5 is integrally connected to the bottom body 8 and the inner container 6 is also fixed.

The bottom body 8 has a bottom body rear portion 8
The height B of the bottom body front part 8a is formed to be lower than the height A of b. It is desirable that the height B of the bottom body front portion 8a be as low as possible with respect to the height A of the bottom body rear portion 8b.

In this way, the bottom body 8 has the bottom body rear portion 8b.
Since the height B of the bottom body front portion 8a is formed to be lower than the height of the bottom body 8a, the bottom body rear portion 8b can be fitted into the bottom body 8 corresponding to the protruding portion from the front portion 8a. The recessed portion 5a is formed in the rear portion of the case 5, and when the outer case 5 is fitted into the bottom body 8, the rear portion 8b of the bottom body 8 projects into the recessed portion 5a on the rear side of the outer case 5. By temporarily fitting and positioning the part as a guide, the fitting by the positioning of the bottom body front part 8a can be automatically performed by the subsequent fitting in this alignment state, and the front part of the bottom body 8 can be fitted. Since it is not necessary to fit both the portion 8a and the rear portion 8b at the same time, the positioning for fitting the bottom body 8 and the outer case 5 can be performed reliably and easily with a simple structure. Become.

A space formed between the outer case 5, the bottom body 8 and the inner container 6 forming the rice cooker body 1 at a side portion (for example, the hinge unit 20 side) in the rice cooker body 1. A cord reel 41 is arranged in the section 4 in a vertically standing state. 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.

Anti-hinge side of the rice cooker body 1 (that is, the side where the lock mechanism 48 for locking the lid 2 is provided)
In the space 4 in the above, a control board 49 in which a control unit for controlling energization of the rice cooking and heat retaining work coils 10, 13 and the shoulder heater 31 and the like is installed is arranged, while the shoulder 7 has an opposite side. On the hinge side (that is, the side on which the lock mechanism 48 that locks the lid 2 is provided),
Various switches (eg rice cooker switch, reservation switch,
An operation panel section 50 including a heat insulation switch and the like and a liquid crystal display section and an operation board 51 thereof are provided.

The operation panel section 50 includes a rice cook switch (not shown), a reservation switch, and a heat retention selection switch, a cancel switch, and a heat retention control functioning as selection means for selecting normal heat retention and low temperature heat retention (hereinafter referred to as glossy heat retention). An operation unit such as a heat insulation off switch, a menu switch, a time switch for time adjustment, a minute switch for time adjustment, and a liquid crystal display unit for displaying this operation unit are provided, which function as setting means for setting whether or not to perform. ing.

Accordingly, the bottom body 8 has a bottom body rear portion 8b.
By forming the front portion 8a to have a low height, the body portion serving as the outer wall of the outer case 5 can be widely formed corresponding to this low portion, and the wide outer case 5 can be formed.
In the outer wall of the front part of the operation panel 50, the degree of freedom in designing the arrangement position of the operation part and the display part of the operation panel 50 is widened, and in the inner wall of the front part, a large surplus space is formed corresponding to the operation panel 50. Therefore, it is possible to freely design the external shape corresponding to the installation of various parts such as the operation board 51 of the operation panel section 50.

Further, the bottom body 8 is formed so as to reach the rear portion 8b from the front portion 8a by a rising curve 83 having a gentle upward slope.

As described above, the bottom body 8 is formed so as to reach the rear portion 8b from the front portion 8a by the rising curve 83 having a gentle upward slope, so that when the outer case 5 is fitted into the bottom body 8, A gentle upward curve 8 from the front part 8a of the bottom body 8
The rear portion 8b can be fitted into the front portion 8a so as to be guided along 3, and the alignment work for fitting the bottom body 8 and the outer case 5 can be performed more smoothly.

In the rear portion 8b of the bottom body 8, a plug withdrawal opening 84 for withdrawing the plug 45 of the cord reel 41 standing upright in the space 4 is formed, and the height of the opening of this plug withdrawal opening 84 is increased. Height C of the bottom body front part 8a
Is formed low, and the height of the bottom portion rear portion 8a is formed high.

As described above, the height A of the bottom body front portion 8a and the height A of the bottom body rear portion 8a are made higher than the height C of the opening of the plug outlet 84, so that the bottom body is made higher. By forming the plug withdrawing port 84 within the range of the height A of the rear portion 8a, the plug withdrawing port 84 can be formed in the outer case 5 in a form in which the height B of the bottom body front portion 8b is formed low. It is possible to form the bottom body 5 as a single component without needing it, and the molding die for the outer case 5 can be simplified.

Along with this, the height of the outer case 5 can be made low, and the height of the rice cooker body 1 itself can be made low to realize compactness.

The cord reel 41 is shown in FIG.
As shown in FIG. 4, the plug 45 is provided in the central portion of the space portion 4 at the rear portion of the outer case 5 so that the plug 45 can be housed in the recess 87 formed in the bottom body 8 so that the plug 45 is not used. I try to keep 45 out of the way.

Further, as shown in FIG. 6, the cord reel 4
1 disregards the plurality of locking pieces 46 on the side of the outer case 47, and installs the inner side of the outer case 5 along the inner side of the outer case 5 in the rear part of the outer case 5, and integrates them into the inner side. The engaging piece 4 is formed in the notch 33 of the formed reinforcing rib 54.
6 is locked, and another locking piece 46 is fitted and locked in the locking recess 34 integrally formed on the bottom surface of the bottom body 8 to be fixed.

In this structure, the plug 45 of the cord reel 42 makes it easier to pull out the plug 45 by exposing the tip of the plug 45 to the outside of the outer case 5.

The rear portion 8b, which is higher than the front portion 8a of the bottom body 8, has a space formed between the outer case 5 and the bottom body 8 and the inner container 6 on the outer side 6b of the inner container 6. It is formed at position 4.

On the bottom body 8 of the rice cooker main body 1, a cooling fan (not shown) for sending cooling air to the power transistor and the rectifying diode bridge for controlling energization of the work coil 10 for rice cooking and heat retention. Is arranged,
An air intake port 15 is formed so as to face the blower fan.

Therefore, since the rear portion 8b of the bottom body 8 is formed at the position of the space 4 formed between the outer case 5 and the bottom body 8 and the inner container 6 outside the inner container 6, the bottom body 8 is formed. 8
Can be formed by utilizing the position of the space 4, and the air outlet 3 for the air inlet 15 of the cord reel 41 or the blower fan can be formed at the position of the space 4.
The plug outlet 84 and the air outlet of the blower fan corresponding to the functions of various parts such as 5 installed.
35 and the like can be formed on the bottom body rear portion 8b. As a result, the outer case 5 can be molded by one part of the bottom body 8 in accordance with the above function without the need for molding the outer case 5, and the molding die of the outer case 5 can be further simplified. become.

The bottom body 8 has an air intake port 15 formed on the bottom surface of the front portion 8a and an air discharge port 35 formed on the rear portion 8b, and extends from the front portion 8a to the rear portion 8b. It is used as a cooling passage by a blower fan. The air discharge port 35 of the blower fan is formed from the lower surface of the bottom body 8 to a position higher than the air intake port 15 along the side portion higher than the height of the front portion 8a of the bottom body 8 for cooling efficiency. We are trying to improve As a result, the air outlet 35 can be formed in the rear portion 8b of the bottom body 8 without being affected by the height of the front portion 8a of the bottom body 8, and the height of the front portion 8a of the bottom body 8 can be further reduced. As a result, the function can be improved without changing the external image.

The air intake port 15 has a bottom body 8
It is formed on the lower surface of the bottom body 8 which is located above the grounding position of the leg portion 32 of the, and the rice cooker main body 1 is formed on a soft rug, for example, a carpet.
The air intake port 15 is formed at a height such that it will not be blocked by the rug even when it is placed. Therefore, the height of the leg portion 32 is preferably 8 mm or more.

When it is desired to form a large number of air discharge ports 35 by the IH type heating system, the height of the front portion 8a is left unchanged and the height of the rear portion 8b of the bottom body 8 is increased. As a result, safety can be secured and the fan discharge function can be improved without changing the appearance of the front part of the rice cooker body 1.

The front portion 8a of the bottom body 8 may be formed to have a minimum height that can withstand a drop strength (fall from 30 cm), and a height (20 to 3) to withstand deformation after molding.
0 mm) is desirable.

Therefore, in the bottom body 8, in order to increase the strength of the front portion 8a, the reinforcing rib 81 has the front portion 8 as compared with the rear portion 8b.
The reinforcing rib 81 is formed in a large number in a, and the thickness of the reinforcing rib 81 is formed to be larger than the thickness of the bottom body 8 to improve its strength.

Further, the bottom body 5 is formed such that the height B of the bottom body front portion 8a is lower than the height position D of the bottom surface 6a in the inner container 6, and the height A of the bottom body rear portion 8b. Is formed high.

With this structure, the bottom surface 6a of the inner container 6
Is located corresponding to the position reinforced by the mutual fitting of the outer case 5 and the bottom body 8 between the height B of the bottom body front portion 8a and the height A of the bottom body rear portion 8b. Therefore, the inner pot 3 placed and stored on the bottom surface 6a of the inner container 6 is stored in a stable state.

In the present embodiment, the heating means is configured to heat by the IH method, but the heating means is not limited to this method and may be heated by a hot plate method, a high frequency method or the like. Further, instead of the shoulder heaters 31, 31, a heating means may be provided in the lid body 2 to heat the inside of the inner pot 3 by this heating means.

In the present embodiment, other structures and operational effects to be exhibited can be used alone or in combination in various combinations as far as possible,
Illustrations and explanations that are complex and duplicated in these various combinations are omitted.

[0065]

In the electric rice cooker of the present invention, the bottom body is formed such that the height of the front portion of the bottom body is lower than the height of the rear portion of the bottom body. The recessed part is formed in the rear part of the outer case corresponding to the protruding part of the outer case, and when the outer case is fitted into the bottom body, the protruding part of the bottom body is temporarily guided into the recessed part of the outer case. By fitting and positioning as, the fitting by the positioning of the front part of the bottom body can be automatically performed by the subsequent fitting in this aligned state, and both the front part and the rear part of the bottom body can be fitted. Since it is no longer necessary to perform the fitting at the same time, the positioning for fitting the bottom body and the outer case can be performed reliably and easily with a simple structure.

Further, along with this, in the rear part of the bottom body ,
Within the range that exceeds the width of the plug outlet
By forming the height of the front portion to be lower than the height at which it is dislocated, it is possible to widely form the body portion, which is the outer wall of the outer case, outside the plug drawer opening in correspondence with this low portion,
At the front part of this widely formed outer case, you can freely design the external shape corresponding to the installation of various parts in the outer case, improve its function, and make the height of the outer case low. As a result, the height of the rice cooker itself is lowered, and the rice cooker can be made compact. Further, the air inlet is formed on the lower surface front portion of the bottom member, and an air outlet to the high rear portion side position than the bottom surface rear <br/> or we air inlet at the bottom thereof, the front portion And the rear part
The cooling efficiency can be improved by using the cooling passage by the fan .

Further, in another electric rice cooker of the present invention, a cord reel is provided in the space formed between the outer case, the bottom body and the inner container, and the cord reel of this cord reel is provided in the rear portion of the bottom body. Since the height of the front part of the bottom body and the height of the rear part of the bottom body are made higher than the height of the opening of this plug drawer port, the bottom body is formed. By forming the plug withdrawal opening within the range of the height of the rear part, the height of the front part of the bottom body is made low, and the plug withdrawal port does not require molding of the outer case. It can be molded with parts, and the molding die for the outer case can be simplified.

Similar to the above-mentioned invention, the positioning for fitting the bottom body and the outer case can be surely and easily performed with a simple structure, and accordingly, the plug pulling can be performed.
The height of the front part is lower than the rear part of the bottom body, which is higher than the width of the outlet. <br /> The outer part of the outer case corresponds to this lower part. The body part that will be the wall can be formed widely outside the plug outlet .
At the front part of this widely formed outer case, you can freely design the external shape corresponding to the installation of various parts in the outer case, improve its function, and make the height of the outer case low. As a result, the height of the rice cooker itself is lowered, and the rice cooker can be made compact. Further, the air inlet is formed on the lower surface front portion of the bottom member, and an air outlet to the high rear portion side position than the bottom surface rear <br/> or we air inlet at the bottom thereof, the front portion And the rear part
The cooling efficiency can be improved by using the cooling passage by the fan .

Further, in another electric rice cooker of the present invention, the bottom body is formed such that the height of the front portion of the bottom body is lower than the height position of the bottom surface in the inner container, and Since the height is made high, the bottom surface of the inner container corresponds to the position reinforced by the mutual fitting of the outer case and the bottom body between the height of the front portion of the bottom body and the height of the rear portion of the bottom body. As a result, the inner pot placed and stored on the bottom surface of the inner container is stored in a stable state.

[0070] Then, the invention as well as can be aligned for fitting in of the bottom member and the outer casing can be reliably and easily performed with a simple structure, along with it, the plug pull
The height of the front part is lower than the rear part of the bottom body, which is higher than the width of the outlet. <br /> The outer part of the outer case corresponds to this lower part. The body part that will be the wall can be formed widely outside the plug outlet .
An exterior shape corresponding to the installation of the various components within the outer casing in the front portion of the widely formed outer case and obtained freely designed, aims to improve its function, be formed height of the outer cases is low This makes it possible to reduce the height of the rice cooker itself and achieve compactness. Further, the air inlet is formed on the lower surface front portion of the bottom member, and an air outlet to the high rear portion side position than the bottom surface rear <br/> or we air inlet at the bottom thereof, the front portion And the rear part
The cooling efficiency can be improved by using the cooling passage by the fan .

[0071]

[0072]

[Brief description of drawings]

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

FIG. 2 is a rear view of the electric rice cooker shown in FIG.

FIG. 3 is a front view of a partial left half section of the electric rice cooker in FIG. 1.

FIG. 4 is a bottom view of the electric rice cooker in FIG. 1.

5 is a side view of the electric rice cooker in FIG. 1. FIG.

FIG. 6 is a partial cross-sectional view (a) and a partial side view (b) of an electric rice cooker according to another embodiment of the present invention.

7 is a side view of the bottom body of the electric rice cooker in FIG. 1. FIG.

FIG. 8 is a rear view of the bottom body of the electric rice cooker in FIG. 1.

9 is a front view of the bottom body of the electric rice cooker in FIG. 1. FIG.

10 is a partially enlarged cross-sectional view of the bottom body and the outer case in FIG.

FIG. 11 is a side view of an electric rice cooker showing a conventional example.

FIG. 12 is a cross-sectional view of the electric rice cooker in FIG. 11.

[Explanation of symbols]

1 rice cooker body 2 lid 3 inner pot 4 space 5 outer case 6 inner container 7 shoulder 8 bottom 8a front part 8b rear part 15 Air outlet 35 Air outlet 41 cord reel 45 plug 84 Plug outlet A rear height B front height C plug outlet height D Inner container bottom height

Claims (3)

(57) [Claims] 1. A rice cooker main body having an inner pot housed therein, a lid body for opening and closing the opening of the rice cooker main body, heating means for heating the inner pot, and a blower fan for cooling. In the electric rice cooker, the rice cooker main body forms an outer wall with an outer case forming a body portion serving as an outer wall and a bottom body forming a bottom portion serving as an outer bottom wall, and the bottom body has a bottom. than the width of the plug outlet having to body rear portion in height off the top in a range around the above, to form lower the height of the bottom member front portion, the air on the bottom surface front portion of the bottom member the inlet is formed, to form an air outlet to the high rear portion side position than before Kisora air intake from the bottom surface rear portion of the bottom body, blows between the front portion and the rear portion
An electric rice cooker characterized by being used as a cooling passage by a fan . 2. A rice cooker main body having an inner pot housed therein, a lid body for opening and closing the opening of the rice cooker main body, heating means for heating the inner pot, and a blower fan for cooling. In the electric rice cooker, the rice cooker main body is composed of an outer case that forms a body part that is an outer wall, a bottom body that forms a bottom part that is an outer bottom wall, and an inner container that forms an inner part that is an inner wall. A cord reel is provided in a space formed between the outer case, the bottom body, and the inner container, and a plug withdrawal opening for pulling out a plug of the cord reel is formed in a rear portion of the bottom body. , The bottom body is formed such that the height of the front part of the bottom part is lower than that of the plug outlet, and the rear part of the bottom part is displaced to the upper part within the range exceeding the width of the plug outlet and is higher than the plug outlet. The bottom body of the bottom body, the air intake is formed in the front part of the bottom body. From the lower surface rear portion to form a high rear portion side <br/> position to the air outlet than before Kisora air intakes, and the front portion and the rear portion
An electric rice cooker characterized in that the space between them serves as a cooling passage by a blower fan . 3. A rice cooker main body having an inner pot housed therein, a lid body for opening and closing the opening of the rice cooker main body, heating means for heating the inner pot, and a blower fan for cooling. In the electric rice cooker, the rice cooker main body is composed of an outer case that forms a body part that is an outer wall, a bottom body that forms a bottom part that is an outer bottom wall, and an inner container that forms an inner part that is an inner wall. The bottom body is formed such that the height of the front portion of the bottom body is lower than the height position of the bottom surface of the inner container, and the height of the rear portion of the bottom body is provided at the rear portion of the bottom body. Within the range that exceeds the width of the plug outlet
Higher formed off the top, the air inlet is formed on the lower surface front portion of the bottom member, and an air outlet to the high rear portion side position than before Kisora air intake from the bottom surface rear portion of the bottom member,
A cooling passage provided by a blower fan between the front part and the rear part
Electric rice cookers, characterized in that the the.