JP3307352B2 - Electric cooker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of an electric heating cooker such as a rice cooker or the like, which can be vertically stacked.

[0002]

2. Description of the Related Art For example, a conventional rice cooker as an example of the above-described electric heating cooker has been configured as shown in FIG.

[0003] Fig. 27 shows an example of a cooked rice warmer (cooked rice electronic jar) for business use.

[0004] The cooked rice warmer 1 includes, for example, a side heater 12.
a metal rice cooker (cooked rice storage container) 2 entirely heated by a, and a metal bottomed cylindrical inner case formed so that the rice cooker 2 can be arbitrarily stored and set from the upper opening side. 3
A metal outer case 5 having a bottomed cylindrical shape, which is an outer housing for thermally insulating and holding the inner case 3 through a heat insulating material 4 as a whole, and connecting the outer case 5 and the inner case 3 to each other on the opening side. Insulator body 7 integrated at shoulder member 6 to form a heat insulating structure
And legs 60, 60 provided on the lower surface of the warmer body 7.
, And a lid 8 provided on the upper opening surface of the warmer main body 7 so as to be openable and closable.

On the other hand, the lid 8 is provided with a metal outer cover member 8a constituting an upper outer peripheral surface portion thereof and a heat insulating material 4 inside the outer cover member 8a, and is provided on the outer peripheral edge side thereof. An inner frame member (poly cover) 8b constituting an outer peripheral inner surface portion of the lid 8 integrated with the outer cover member 8a;
A first plate made of a metal plate having good heat conductivity and having a moisturizing unit 9 at a central portion thereof, being integrated with the inner peripheral portion of the inner frame member 8b to form an inner peripheral inner surface portion of the lid 8. Heat sink 8c, the inner frame member 8b and the first heat sink 8
c, a heat conductive unit provided via the moisture retaining unit 9 so as to form a heat insulating space 10 below the heat insulating unit 9, and provided so as to bring the outer peripheral edge 11 into contact with the opening edge 2 a of the rice cooker 2. A second heat sink 8d made of a good metal plate and a second heat sink 8d provided on the upper surface of the first heat sink 8c via the heat insulating space 10 from the first heat sink 8c. A lid heater 12b for indirectly heating and the outer cover member 8a
Arm cover 1 that covers the upper part of the hinge part (shaft support part) side
And 3.

[0006] An arm 14 is provided inside the arm cover 13 as a connecting member to the warmer body 7 side, and is provided on the outer peripheral portion of the shoulder member 6 on the warmer body 7 side via the arm 14. The lid 8 is connected to the hinge shaft 15 so that the lid 8 can be opened and closed in the vertical direction from the front end to the rear end.

An opening / closing lever 16 is provided at the front end of the warmer body 7 to engage or disengage with a predetermined position on the open end of the lid 8 to open and close the lid 8. .

Further, the shoulder member 6 having the hinge shaft 15 is provided.
A hinge cover 18 is provided on the outer peripheral side of the.

[0009]

In the conventional rice cooker 1 described above, the entire top surface of the lid 8 is substantially flat as shown in FIG.
Are not stackable so that a plurality of... Can be stacked in the vertical direction.

Therefore, for example, in a commercial kitchen room using a plurality of cooked rice warmers 1, 1..., There is a problem that extra space is required for storing the cooked rice warmers when not in use. In addition, there is an inconvenience that stacking is not possible even when transported by a vehicle or a cart.

[0011]

SUMMARY OF THE INVENTION The inventions of the present application have been made for the purpose of solving the above-mentioned conventional problems, and are each provided with the following means for solving the problems.

(1) An electric heating cooker according to the present invention comprises: an electric heating cooker main body;
A lid that covers an upper opening of the electric cooking device main body, a leg provided on a lower surface of the electric cooking device main body, and a lid corresponding to the leg of the electric cooking device to be placed. And a leg mounting cover provided at the top surface position, and another electric heating cooker is stacked on the lid via the leg mounting cover.

Therefore, in this configuration, it is possible to position the electric heating cooker via the leg mounting cover on the top surface of the lid, and to stack a plurality of electric heating cookers in a stable state on the positioning, so that the electric heating cooker can be stored or stored. Space can be saved without taking up space during transportation.

Also, since the leg mounting cover is provided, the top surface of the lid is prevented from being damaged by the legs even during stacking, and the strength is reinforced to prevent deformation.

(2) The electric heating cooker according to the present invention, in the electric heating cooker according to the present invention, wherein a step is formed on the top surface of the lid, and the leg mounting cover is also provided. A step portion is formed corresponding to the step portion, and the leg portion is placed and supported on the low portion side and the leg portion placed on the high portion side is horizontal. The displacement is prevented by the positioning engagement in the direction.

Therefore, in this configuration, when the electric heating cookers are stacked, the legs of the upper electric heating cooker are
The lower portion of the electric heating cooker is engaged with a high portion of the leg mounting cover on the top surface of the lid, securely positioned and locked, and is prevented from being displaced in the horizontal direction. As a result, a more stable stacked state is maintained.

(3) The electric heating cooker according to the present invention, in the electric heating cooker according to the first or second aspect of the present invention, wherein the lid and the electric heating cooker main body have a substantially square shape as a whole, and the leg is provided. While the portion is provided at the lower corner portion of the electric heating cooker body,
The leg mounting cover is provided at a corner of the top surface of the lid.

[0018] Therefore, in this configuration, the electric heating cooker itself is made compact by the square shape, so that it can be stacked and stored in one corner of the room with less space and without waste.

Further, when stacked in such a manner, the legs of the upper side electric heating cooker and the leg mounting cover on the top surface side of the lid of the lower side electric heating cooker are located at both high places in the corner. Since the side surfaces are engaged in the left, right, front and rear horizontal directions, both functions of positioning and locking at the time of stacking are more reliably realized.

(4) The invention of claim 4 The electric heating cooker according to the present invention is the above-mentioned claim 1, 2 or 3.
In the configuration of the present invention, the leg mounting cover is joined and fixed to a top surface of the lid.

Therefore, in this configuration, the leg mounting cover can be easily attached to the top of the lid by using a joining means such as an adhesive.

(5) The invention of claim 5 The electric heating cooker according to the present invention is the above-mentioned claim 1, 2 or 3.
In the configuration of the present invention, the leg mounting cover is fixed to the top surface of the lid by being screwed from behind.

Therefore, in this configuration, the leg mounting cover can be easily attached to the top of the lid using, for example, screws from behind the top of the lid.

(6) The invention of claim 6 The electric heating cooker according to the present invention is the above-mentioned claim 1, 2 or 3.
In the configuration of the invention, the leg mounting cover is fixed by being fitted to a top surface of the lid via a rib.

Therefore, in this configuration, the leg mounting cover can be easily attached to the lid top surface by, for example, fitting the rib provided on the leg mounting cover into the engaging hole in the top surface. .

(7) The invention of claim 7 The electric heating cooker according to the present invention is the above-described claim 1, 2 or 3.
In the configuration of the present invention, the leg mounting cover is fixed by fitting a press-fit rib to the top surface of the lid and impulse welding the tip of the press-fit rib.

Therefore, in this configuration, for example, the press-fit rib on the side of the leg-mounting cover can be easily fixed to the top of the lid by impulse welding on the back side of the top of the lid.

(8) The invention according to claim 8 The electric heating cooker according to the present invention is characterized in that the electric heating cooker according to claim 1, 2, 3, or 4 is provided.
In the configuration of the invention of 4, 5, 6 or 7, the lid provided with the leg mounting cover is provided on the lower surface side of the top surface with a ceiling support member erected from a member on the inner surface side of the lid, It is configured to be supported by the top surface support member.

Therefore, the weight supporting strength of the lid top surface of the leg mounting cover installation portion at the time of stacking is increased.

(9) The invention according to claim 9 The electric heating cooker according to the present invention is the above-described claim 1, 2 or 3.
In the configuration of the invention, a mating member for screw connection is provided on a lower surface side of a top surface portion of the lid to which the leg mounting cover is connected by a screw, and the leg mounting cover is provided via the mating member. Are screwed together, and the top surface of the lid is supported by a top surface support member erected from the inner surface side member of the lid via a reinforcing plate integrated with the counterpart member. I have.

Therefore, in this configuration, the reinforcing plate improves the surface rigidity of the leg mounting cover mounting portion of the lid top surface portion, and is further supported by the inner surface supporting member. The weight support function is further improved.

[0032]

As described above, according to the present invention, it is possible to provide an electric heating cooker in which a plurality of electric heating cookers can be easily stacked vertically in a stable state at a low cost. it can.

[0033]

DESCRIPTION OF THE PREFERRED EMBODIMENTS (Embodiment 1) FIGS.
1 shows a configuration of an electric heating cooker according to Embodiment 1 of the present invention. In this embodiment, as an example of an electric heater cooker, for example, a commercial rice cooker (rice cooker jar) is employed.

First, the cooked rice warmer 1 is, for example, shown in FIGS.
As shown in FIG. 1, a metal rice cooker (rice rice storage container) 2 entirely heated by the side heater 12a, and a metal rice cooker formed so that the rice cooker 2 can be arbitrarily stored and set from the upper opening side. A bottomed cylindrical inner case 3 and a bottomed cylindrical metal outer case which is an outer casing that heat-insulates and holds the inner case 3 as a whole via a heat insulating material 4 (a cross section of the heat insulating material 4 is omitted). 5
And a lid 8 provided integrally with the outer case 5 and the inner case 3 at the shoulder member 6 on the opening side so as to be openable and closable on an upper opening surface of a warmer body 7 formed in a heat insulating structure. It is composed of

On the back surface of the bottom wall 3a of the inner case 3,
As shown in the figure, a rice cooker temperature sensor TRS is provided to detect the temperature of cooked rice in the rice cooker 2 heated by the side heater 12a, and to determine the heating power of the side heater 12a and a lid heater 12b to be described later. It is designed to be adjusted to the size of.

On the other hand, the lid 8 has a metal outer cover member 8a constituting an upper outer peripheral surface thereof, and a heat insulating material 4 (a cross section of the heat insulating material 4 is omitted) inside the outer cover member 8a. The outer cover member 8 is provided on the outer peripheral edge side.
a and an inner frame member 8b forming an outer peripheral surface of a lower inner surface portion of the lid 8 integrated with the inner frame member 8b; and a lower inner surface portion of the lid 8 integrated with the inner peripheral portion side of the inner frame member 8b. A first radiator plate 8c formed of a metal plate having good heat conductivity and having a moisturizing unit 9 in the center, and a lower portion side of the inner frame member 8b and the first radiator plate 8c, which constitutes an inner peripheral surface; Insulated space 1
0 is provided via the moisturizing unit 9 so as to form 0.
A second heat radiating plate 8d made of a metal plate having good thermal conductivity provided so as to bring the outer peripheral edge 11 into contact with the opening edge 2a of the rice cooker 2; and a first heat radiating plate 8c. A lid heater 12b provided on the upper surface for indirectly heating the second heat radiating plate 8d from the second heat radiating plate 8c via the heat insulating space 10; and a hinge portion (axial support portion) of the outer cover member 8a.
And an arm cover 13 that covers the upper part on the side.

An arm 14 is provided inside the arm cover 13 as a connecting member to the warmer body 7 side. The arm 14 is provided on the outer peripheral portion of the shoulder member 6 on the warmer body 7 side via the arm 14. The lid 8 is connected to the hinge shaft 15 so that the lid 8 can be opened and closed in the vertical direction from the front end to the rear end.

Further, at the front end of the warmer body 7,
An opening / closing lever 16 is provided for engaging or disengaging a predetermined position on the open end of the lid 8 to open and close the lid 8.

The shoulder member 6 having the hinge shaft 15
A hinge cover 18 is provided at a lower portion on the outer peripheral side of the camera.

A power switch 17 is provided below the opening / closing lever 16 on the front side of the outer case 5 of the warmer body 7.
The power supply is supplied to the side heater 12a and the lid heater 12b when the power switch 17 is turned on. Reference numeral 19a denotes a power connector provided at a portion near the rear end on the lower surface side of the warmer main body 7, 19b denotes a power cord, 19c
Is a power plug.

By the way, rice cooker 1 of the present embodiment
The lid 8 and the warmer main body 7 are both formed in a rectangular shape as a whole, and, for example, as shown in FIG. Has become. For this purpose, the outer top member 4a of the outer cover member 8a of the lid 8
The corners 20, 20, 20, 20 of the corners are formed on a stepped surface having a step with a predetermined dimension between the central surface-side high place surface 20 a and the outer peripheral side low place surface 20 b. And the triangular leg mounting covers 21, 21, 21, 21 made of a high-strength synthetic resin material having a predetermined thickness in a shape having the same two-level step surfaces 21a, 21b. Is provided. The joining is performed by, for example, an adhesive. The leg placement covers 21, 21, 21, 21
By placing the legs 22, 22, 22, 22 provided at the four corners of the lower surface 5a on the warmer body 7 side of the upper rice warmer 1 placed on the portion, as shown in FIG. As shown in the figure, it is possible to stably stack vertically.

In this case, the legs 22, 22, 22, 2
3, for example, as shown in FIG. 3, has a substantially right angle shape corresponding to the angle shape of the corner portion 20, 20, 20, 20 of the top surface of the lid 8, and both side surfaces thereof are respectively formed. An outer peripheral surface tapered in such a manner that both side surfaces of the stepped surfaces 21a, 21a, 21a, 21a of the high-side surface portions 21a, 21a, 21a of the leg mounting covers 21, 21, 21, 21 are sandwiched from both sides in the orthogonal direction. This allows accurate positioning at the time of placement via the tapered surface, and does not cause a positional deviation in the left-right or front-rear direction after the placement.

At the center of the upper part of the left and right side surfaces of the warmer main body 7, handles 23, 23 are provided as shown in the figure.
Each is provided. As shown in the figure, the handle portions 23 are provided in the outer case 5 so as to be recessed by a predetermined dimension W, so that the width in the left-right direction is reduced by the dimension W. .

Therefore, according to the electric heating cooker having the above configuration, the following operation and effect can be obtained.

(1) A high-strength leg mounting cover 21 having a function of reinforcing the top surface of the lid 8 and positioning during stacking and preventing misalignment at the four corners of the top surface of the lid 8 of the cooked rice warmer 1. , 21, 21, 21 are provided, so that a plurality of cooked rice warmers 1, 1... Are stably arranged in a multi-stage structure at the corner of the kitchen room as necessary without damaging the top surface of the lid 8. Can be stacked.

Therefore, even when a plurality of cooked rice warmers are used, a large space is not required for storage.

Also, since the transport can be carried in a stacked state, the transport becomes easy.

(2) Since the whole rice cooker 1 has a square shape, it is most suitable for placing it in a corner of a room, etc.
Suitable for saving space. It is also easy to carry using the handle.

(Embodiment 2) Next, FIGS.
9 shows a configuration of an electric heating cooker according to Embodiment 2 of the present invention. Also in this embodiment, as in the case of the first embodiment, as an example of the electric heating cooker, a commercial rice warmer (electronic rice jar) is employed.

In the cooked rice warmer 1 according to the present embodiment, in addition to the configuration of the cooked rice warmer 1 according to the first embodiment, in order to further enhance the positioning function at the time of stacking and the function of preventing displacement after stacking, For example, as shown in FIGS. 8 and 9, a pair of concave grooves 24, 24 are provided on both left and right sides (handles 23, 23) of the top surface of the lid 8, while, for example, as shown in FIGS. On the left and right sides (handles 23, 23 side) of the lower surface 5a of the container body 7, convex ridges 25, 25 that fit smoothly into the concave grooves 24, 24 are provided, and open / close levers 16 and arm covers 13 on both front and rear sides are provided. After determining the front and rear both directions with reference to the above, they are fitted to each other to ensure reliable positioning.
2, 22, 22 are attached to the leg placement covers 21, 21, 21, 21,
1 so as to be finally supported by being placed on the upper surface 1 and to be supported in a reliable and stable stacking state without displacement.

Therefore, by adopting such a configuration, even if there is vibration due to rattling during transportation or a small vibration such as at the time of occurrence of a small earthquake, there is no possibility of displacement, dropping, etc., and safety is ensured. And the product can be protected.

The shapes of the concave grooves 24, 24 and the ridges 25, 25 can be changed to an arbitrary shape such as an arc shape or a U-shape.

(Embodiment 3) Next, FIG. 11 and FIG.
2 shows a configuration of an electric heating cooker according to Embodiment 3 of the present invention. In this embodiment, as in the case of Embodiments 1 and 2, a cooked rice warmer (electronic cooker) is used as an example of the electric heating cooker.

As shown in FIG. 11, for example, as shown in FIG. 11, the cooked rice warmer 1 according to the present embodiment further includes the left and right handle portions 23 of the warmer main body 7 in addition to the configuration of the cooked rice warmer 1 according to the first embodiment. , 23 are used as engaging portions to prevent misalignment, so that the rice cookers 1, 1 on the upper and lower sides can be securely locked. The present invention is adapted to cope with the same problem (prevention of displacement, drop, etc. due to vibration during transportation or earthquake).

The engaging members 26 are, for example, shown in FIG.
As shown in FIG. 11, it is formed of a reinforced plastic material (or a metal material such as steel for spring) having a U-shaped cross section having a high spring coefficient, and a lower end side engaging piece 26a of the warmer body 7 as shown in FIG. The grips 23, 2 provided on both left and right sides
The upper end side engaging piece 26b is provided on the lower side of the warmer main body 7 while the upper end side engaging piece 26b is inclined upward with respect to the main body 26c suitable for being inserted into the finger insertion holes 23a, 23a. Engagement holes 27, 27 formed horizontally on both sides
Is formed at right angles to the main body 26c inserted into the main body 26c.

The engaging member 26 is, for example, shown in FIG.
As shown in the figure, the engagement holes 27, 27 of the upper-side warmer body 7 of the rice cooker warmers 1, 1 on the upper and lower sides and the finger insertion holes 23 in the grips 23, 23 of the lower-side warmer body 7 are stacked.
a and 23a are resiliently engaged with each other with a predetermined strength of a binding force applied thereto, and the two are securely locked on both left and right sides.

As a result, according to this configuration, as in the case of the above-described second embodiment, even if there is rattling during transportation or a slight vibration due to a small earthquake or the like, there is no occurrence of displacement, dropping, etc. It is possible to secure safety and protect products. In the case of this configuration, there is a strong merit particularly in the vertical vibration as compared with the second embodiment.

(Modification 1) When the engaging member 26 is provided as in the third embodiment, for example, the outer surface of the body 26c of the engaging member 26 is provided on the outer surface side of FIG. 13 and FIG. As described above, the scooping character receiver 28 having a bag structure may be provided, and the handle 29a side of the scooping character 29 may be inserted and placed using this.

(Modification 2) If the scooping tray 28 is provided as in Modification 1, the scooping machine 29 that is not used can be attached to the rice warmers 1 and 1, which is convenient.

However, in the case of the same configuration, there is a problem that the stacked state of the cooked rice incubators 1 and 1 is released, and the scoop holder 28 cannot be used when it becomes a single unit.

Therefore, in this modified example, as shown in FIG. 16, for example, the engagement box 32 having a bag structure is provided on the side of the rice warmer 1 on the side of the warmer main body 7 on the side thereof except the handle 23. An engaging plate 30 that can be inserted into the engaging box 32 from above is formed on the outer surface of the main body 26c of the engaging member 26 by, for example, cutting and raising. It is designed to be attached even when in the state.

Further, an elliptical scoop insertion hole 31 is provided at the upper end side engaging piece 26b of the engaging member 26, so that the rice cooker 1 is disengaged from the engaging member 26. Even when it is in a single state, it can be used as a scoop.

By doing so, the problem of the first modification is solved, and it becomes more convenient.

(Embodiment 4) Next, FIG. 17 shows a configuration of a lid of an electric heating cooker according to Embodiment 4 of the present invention. In this embodiment, as in the first, second, and third embodiments, a commercial rice cooker (electronic rice cooker) is used as an example of the electric heating cooker.

As in the first embodiment, the leg mounting covers 21, 21, 21, 21 are provided at the four corners 20, 20, 20, 20 of the top surface of the lid 8 to provide a plurality of rice cookers. When the warmers 1, 1,... Can be stacked, space saving during storage or transportation can be achieved, which is very convenient.

However, when such a configuration is adopted, other than the joining method, the leg mounting cover 2 described above is used.
1, 2, 21 and 21 are integrated with the top surface of the lid 8, in other words, in what configuration the lid 8 is integrated with the outer cover member 8a, and the outer cover member 8a is generally made of a metal plate. In view of weight reduction, the thickness is small, and the rigidity in the plane direction is not necessarily high. Therefore, there is a specific problem in the lid structure such as how to realize the stable support rigidity.

The configuration of this embodiment is configured to cope with these problems.

In the configuration of the cooked rice warmer 1 of the embodiment,
Leg mounting covers 21, 21 similar to those of the first embodiment.
In the lid 8 of the cooked rice warmer 1 having the components 21 and 21, the leg mounting cover 21 is formed by integrally molding a screwing cylinder 35 on the lower surface on the high surface 21a side, for example, as shown in FIG. On the other hand, as a mating member, a reinforcing member fitting portion (boss portion) 3 which has a fitting cylindrical portion 37 which fits up and down with the fitting member, and which is coupled by a screw 39 from below at the fitting portion.
6, and is integrated with the outer cover member 8a by a screwing structure.
A lower surface side of the b-side top surface is supported via a reinforcing piece 38 extending from the reinforcing member 36 in the outer peripheral direction, and further provided on the upper surface side of an inner frame member 8b which is an inner surface member of the lid 8 from the back side. 1, characterized by being supported by the second ribs 33, 34.

According to such a configuration, the leg mounting cover 21 is relatively easily fixed by the screw 39 to the outer cover member 8a.
And the top surface of the outer cover member 8a provided with the leg mounting cover 21 can be attached to the first and second ribs 3 of the inner frame member 8b from below through the reinforcing pieces 38.
Since the support is made stronger by the members 3 and 34, sufficient support rigidity can be realized.

(Fifth Embodiment) Next, FIG. 18 shows the structure of a lid of an electric heating cooker according to a fifth embodiment of the present invention. Also in this embodiment, as in the case of the first, second, third and fourth embodiments, a commercial rice cooker (electronic rice jar) is employed as an example of the electric heating cooker.

In the case where the leg mounting cover 21 is attached by a screwing structure as in the fourth embodiment,
Looseness may occur over time. In addition, there is a problem that the number of assembling steps is relatively large, and it takes time and effort to assemble at four locations.

In this embodiment, for example, FIG.
As shown in FIG. 8, a first and a first, which have engaging projections 40a and 41a on the lower surface on the high place surface 21a side and the lower surface on the low place surface 21b side of the leg portion mounting cover 21, respectively, are opposite to each other. 2 are provided, and the upper portion 20a and the lower portion 20 of the corner portion 20 of the lid 8 side outer cover member 8a are provided.
b, the first and second engagement holes 42, 4 corresponding to them, respectively.
3 so that the leg mounting cover 21 can be inserted and engaged from above the outer cover member 8a with one touch, and the inner frame member can be directly inserted without the intervention of the reinforcing member 36 as in the fourth embodiment. 1st, 2nd rib 3 of 8b side upper surface
The top surface of the corner portion 20 of the outer cover member 8a is supported by 3, 34.

Then, the first and second engagement holes 42, 4
In FIG. 3, locking pieces 42a, 43a for locking the engagement projections 40a, 41a of the first and second engagement ribs 40, 41 are formed by bending downwardly. First, the first engagement rib 40 is inserted into the first engagement hole 42 in an oblique state, and the engagement projection 40a is inserted into the engagement piece 42a.
After that, when the second engagement rib 41 is pressed down and fitted straight down into the second engagement hole 43,
The triangular engagement projection 41a is smoothly slid via the lower taper surface, is completely press-fitted in time, is engaged with the locking piece 43a, and is securely locked as shown.

In this state, the lower surface is directly supported and reinforced by the first and second support ribs 33 and 34 with high strength.

(Embodiment 6) Next, FIG. 19 and FIG.
0 shows the configuration of the lid of the electric heating cooker according to Embodiment 6 of the present invention. Also in this embodiment,
As in each of the first, second, third, fourth and fifth embodiments,
As an example of the electric heating cooker, a commercial rice cooker (electronic rice cooker) is employed.

In this embodiment, the leg mounting cover 2 has substantially the same configuration as that of the fifth embodiment.
1 and the outer cover member 8a are engaged with the leg placement cover 21.
This is realized by impulse welding of the tips of the first and second press-fitting ribs 45 and 46 provided on the lower surface.

That is, in this configuration, first, the first and second press-fitting ribs in which holes 45a and 46a are formed at the center on the lower surface of the high place surface 21a and the lower surface of the low place surface 21b on the leg portion mounting cover 21 side, respectively. 45 and 46 are provided, and the first and second press-fit holes 4
7a and 47b are provided, and they are press-fitted as shown in FIG.

Next, in this state, the tips of the first and second press-fitting ribs 45 and 46 are instantaneously welded from below by an impulse welding means (not shown) to form a large diameter rib as shown in FIG. The locking heads 45b and 46b are formed and fixed.

According to such a configuration, with a simple configuration,
The locking state is more stable and secure.

(Embodiment 7) Next, FIG. 21 shows the configuration of the bottom of an electric heating cooker according to Embodiment 7 of the present invention. Also in this embodiment, as in the above embodiments, a commercial rice cooker (electronic rice jar) is used as an example of the electric heating cooker.

The cooked rice warmer 1 according to the present embodiment is different from the cooked rice warmer 1 according to the first embodiment in that, for example, the power cord is provided on the outer periphery of the legs 22, 22, 22, 22 on the lower surface of the warmer main body 7. The above-mentioned cord connector 1 provided at the bottom of the warmer main body 7 so that the portion 19b can be wound and stored.
A feature is that the portion 9a can be arbitrarily rotated in the direction of the arrow shown (around the axis).

With such a configuration, the leg 2
2, 22, 22, and 22 can be effectively used as a winding storage portion of the power cord 19b, which is convenient.

(Modification) By the way, the power cord 19b is attached to the legs 22, 22, 22, 22 as in the seventh embodiment.
If necessary, for example, as shown in FIG.
As shown in FIG. 2, the cord engaging edges 22a, 22a, 22a, 22
2a is provided. With such a configuration, the power cord 19b is easily wound, and the wound cord 19b is held in a stable state.

(Embodiment 8) Next, FIGS.
4 shows the configuration of the bottom of the electric heating cooker according to Embodiment 8 of the present invention. Also in this embodiment,
As in the case of each of the above embodiments, a commercial rice warmer (electronic rice cooker) is used as an example of the electric heating cooker.

The cooked rice warmer 1 according to this embodiment is the same as the cooked rice warmer 1 according to the first embodiment, except that the legs 22, 22, 2 are provided between the front and rear ends of the lower surface 5a of the warmer main body 7.
24, winding portions 51 and 52 of a power cord 19b each having a hook-shaped cross section are provided, and a power plug 19c is fitted to the lower surface portion 51a of the winding portion 51 on one side. It is characterized in that a mating groove 52 is provided.

According to such a configuration, the power cord 19
Since the power plug 19c on the distal end side can be securely stored together with b, the usability is further improved.

Embodiment 9 Next, FIG. 23 and FIG.
4 shows the configuration of the hinge cover of the electric heating cooker according to Embodiment 9 of the present invention. Also in this embodiment, as in the above embodiments, a commercial rice cooker (electronic rice jar) is used as an example of the electric heating cooker.

The cooked rice warmer 1 according to the present embodiment is the same as the cooked rice warmer 1 according to the first embodiment, except that a power cord 19b having a hook-shaped cross section is further provided under the hinge cover 18 on the rear side of the warmer main body 7. The winding pieces 53 and 54 are provided.

Even with such a configuration, the power cord 19b can be stably housed in substantially the same manner as described above.

(Embodiment 10) FIG. 26 shows the configuration of an electric heating cooker according to Embodiment 10 of the present invention. Also in this embodiment, as in the case of each of the above embodiments, a commercial rice warmer (electronic rice jar) is used as an example of the electric heating cooker.

The cooked rice warmer 1 according to the present embodiment is the same as the cooked rice warmer 1 according to the first embodiment, except that the rear hinge cover 18 and the bottom bottom cover 55 of the warmer body 7 are further provided.
The power cord winding pieces 57 and 58 are respectively provided between the locking screw 56 of the outer case 5 and the locking screw 56. A similar power plug fitting groove 59 is provided.

In such a configuration, the power plug 19 on the distal end side together with the power cord 19b is substantially similar to that described above.
9c can be stably stored.

(Embodiment 11) The heat insulating material 4 used in each of the above embodiments may be ordinary glass wool which has been conventionally used. However, the glass wool is, for example, tingling when touched by hand. Thus, there is a problem that the workability at the time of assembly is not good. There is also a problem that the heat insulation performance is not always good.

Then, instead of the conventional glass wool,
For example, the following new heat insulating material can be used.

[0095] PEF sheet + glass wool + PE
As a sheet made of F, a heat insulating material having a three-layer structure in which they are adhered to each other As a sheet made of glass wool + PEF, a heat insulating material having a two-layer structure in which they are adhered to each other is used.
The sheet made of F is disposed on the low temperature side (for example, on the outer case 5 side or the outer cover member 8a side).

According to the heat insulating material having such a structure,
The following merits are obtained.

[0097] By improving the heat insulation performance, power consumption during heat retention is reduced, and energy saving performance is realized.

[0098] The thickness of the heat insulating material can be reduced while maintaining the heat retaining performance equal to or higher than that of the conventional product, and the body of the container can be made compact.

The presence of the PEF sheet on the surface allows
It is easy to touch with bare hands during assembly work, and workability is improved.

(Other Embodiments) (1) In each of the above embodiments, for example, a configuration in which the present invention is implemented by employing a commercial rice cooker as an electric heating cooker will be described. However, the electric heating cooker to which the present invention is applied is not limited to this, and is arbitrarily applied to, for example, business-use, home-use electric rice cookers and other equivalent various electric cookers. It goes without saying that it can be done.

(2) Further, the above-described eighth to eleventh embodiments
In the configuration of, the low-cost power cord storage structure was proposed on the premise that the cord reel structure was not adopted, and measures were taken so that the power cord did not hinder the stacking of the rice cooker in each of the above embodiments. Of course, it is needless to say that the same purpose can be achieved by adopting the code reel structure as required.

[Brief description of the drawings]

FIG. 1 is a perspective view of an electric heating cooker according to Embodiment 1 of the present invention.

FIG. 2 is a plan view of the cooking device.

FIG. 3 is a bottom view of the cooking device.

FIG. 4 is a sectional view of the cooking device.

FIG. 5 is a cutaway front view of a main part of the cooker.

FIG. 6 is a side view of a main part of the cooking device in a stacked state.

FIG. 7 is a side view of the cooking device in a stacked state.

FIG. 8 is a front view of an electric heating cooker according to Embodiment 2 of the present invention.

FIG. 9 is a plan view of the cooking device.

FIG. 10 is a bottom view of the cooking device.

FIG. 11 is a cutaway front view of a main part of an electric heating cooker according to Embodiment 3 of the present invention.

FIG. 12 is a perspective view of a main part of the cooking device.

FIG. 13 is a cutaway front view of a main part of an electric heating cooker according to a first modification of the third embodiment of the present invention.

FIG. 14 is a perspective view of a main part of the cooking device.

FIG. 15 is a perspective view of main components of an electric heating cooker according to a second modification of the third embodiment of the present invention.

FIG. 16 is a main body side perspective view showing a configuration of a main part of the cooking device.

FIG. 17 is a sectional view of a main part of an electric heating cooker according to Embodiment 4 of the present invention.

FIG. 18 is a sectional view of a main part of an electric heating cooker according to Embodiment 5 of the present invention.

FIG. 19 is a sectional view of a main part of an electric heating cooker according to Embodiment 6 of the present invention.

FIG. 20 is a sectional view of a main part of an electric heating cooker according to Embodiment 7 of the present invention.

FIG. 21 is a bottom view of the electric heating cooker according to the eighth embodiment of the present invention.

FIG. 22 is a partially cutaway side view of a main part of a modification of the cooker.

FIG. 23 is a bottom view of the electric heating cooker according to Embodiment 9 of the present invention.

FIG. 24 is an exploded perspective view of a main part of the cooking device.

FIG. 25 is a perspective view of a main part of an electric heating cooker according to Embodiment 10 of the present invention.

FIG. 26 is a front view of an electric heating cooker according to Embodiment 11 of the present invention.

FIG. 27 is a cross-sectional view of an electric heating cooker according to a conventional example.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A47J 27/00 A47J 27/13 A47J 36/06

Claims (9)

(57) [Claims] 1. An electric heating cooker main body, a lid for covering an upper opening of the electric heating cooker main body, a leg provided on a lower surface of the electric heating cooker main body, and electric heating to be placed. A leg mounting cover provided at a top surface position of the lid corresponding to the leg of the cooker, and another electric heating cooker is stacked on the lid via the leg mounting cover. An electric heating cooker characterized by: 2. A step is formed on the top surface of the lid, and the leg mounting cover also has a step corresponding to the step, and the leg is mounted on a lower side thereof. 2. The device according to claim 1, wherein the leg portion is placed and supported, and the mounted leg portion is positioned and locked in a horizontal direction at a high place to prevent displacement. An electric heating cooker as described. 3. The lid and the electric heating cooker main body are substantially square as a whole, and the leg is provided at a lower corner position of the electric heating cooker main body, while the leg mounting cover is provided. The electric heating cooker according to claim 1 or 2, wherein a is provided at a corner position of a top surface of the lid. 4. The apparatus according to claim 1, wherein the leg mounting cover is fixedly joined to a top surface of the lid.
An electric heating cooker according to 2 or 3. 5. The electric heating cooker according to claim 1, wherein the leg mounting cover is fixed to the top surface of the lid by a screw from the back side. 6. The electric heating cooker according to claim 1, wherein the leg mounting cover is fixed by being fitted to a top surface of the lid via a rib. . 7. The leg mounting cover, wherein a press-fit rib is fitted to the top surface of the lid, and the tip of the press-fit rib is fixed by impulse welding. An electric heating cooker according to 2 or 3. 8. A top surface supporting member which is provided upright from an inner surface side member of the lid is provided on a lower surface side of a top surface portion of the lid provided with the leg mounting cover, and is supported by the top surface supporting member. Claims 1, 2, 3, and 3 characterized in that:
An electric heating cooker according to 4, 5, 6, or 7. 9. A mating member for screw connection is provided on a lower surface side of a top surface portion of the lid to which the leg mounting cover is connected by a screw, and the leg mounting cover is connected via the mating member. The top surface of the lid is supported by a top surface support member that is screwed and that is erected from the inner surface side member of the lid via a reinforcing plate integrated with the mating member. The electric heating cooker according to claim 5, wherein: