JPS6238124A - Electric cooker - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Detailed Description of the Invention [Technical Field of the Invention] The present invention relates to an electric cooking device in which a cooking device body including a cooking plate provided with an electric heater for heating the plate is supported by a protective frame. This invention relates to an electric cooker whose lower surface is covered with a heat shield plate to improve safety.

[Technical background of the invention and its problems] Conventionally, as a heat shield in an electric cooking device such as a hot plate, a part of the lower surface of the cooking device body with an electric heater provided on the back side of a dish-shaped cooking plate has been used as a heat shield plate. The covered one is generally known.

If a heat shield is provided on a part of the bottom of the cooking device, the temperature of the cooking plate will become high. The temperature of the mounting surface may rise due to radiant heat, which may cause heating disasters such as burns or fire.

In addition, because the shape of conventional heat shield plates is generally flat,
Because the distance between the electric heater that protrudes from the bottom surface of the cooking plate and the heat shield plate is relatively closer than other parts, the thermal conductivity to the heat shield plate near the electric heater increases, reducing the heat shielding efficiency. The reduction in thermal efficiency may cause material changes such as discoloration, deterioration, and coating deterioration of the materials of aluminized steel sheets, galvanized iron sheets, or heat shields made by printing, painting, etc. on these sheets.

As an example of such conventional technology, the Utility Model No. 5 shown in FIG.
The case of the electric cooker disclosed in Publication No. 7-40015 will be described below.

This electric UA equipment has a protective frame 1 for support and this protective frame 1.
A dish-shaped cooking plate 2 housed in the cooking plate 2, an electric heater 3 provided on the lower surface of the cooking plate 2, an inclined part 4a provided from the outside to the inside downward of the electric heater 3, and a plane that closes the center from the inclined part 4a. The heat shield plate 4 is composed of a portion 4b. In such a structure, electric heater 3
When electricity is applied to the cooking plate 2, the cooking plate 2 is heated, and on the other hand, below the cooking plate 2, the heat dissipated from the electric heater 3 is temporarily shielded by a heat shield plate 4. 4 has a structure in which when the cooking plate 2 reaches a high temperature of about 200°C, the radiant heat from the peripheral side 2a of the cooking plate 2 to the handle or mounting surface B of the protective frame 1 becomes high temperature, and the handle 1a and Placement surface B is heated abnormally. The handle 1a and the mounting surface B heated to a high temperature in this way may cause heating hazards such as burns or fire.

If a heat shield plate 4 is provided on a part of the lower surface of the cooking plate 2 in order to avoid this heating disaster, the heating temperature of the cooking plate 2 will not be uniform, resulting in uneven cooking, resulting in a defect as a cooking device. This is because the peripheral side portion 2al of the cooking plate 2 is more easily exposed to the outside air than the central portion 2b and is a cold portion.

In addition, since the sloped portion 4a of the heat shield plate 4 is close to the electric heater 3, it is heated to a higher temperature than the central portion, so that there is a problem in that the material is likely to deteriorate or discolor.

By the way, in an attempt to prevent such a decline in heat shielding efficiency,
It is possible to increase the distance between the W4 operation plate, the mounting surface, and the protective frame. However, if the distance between the cooking plate 2 and the mounting surface B is increased, the height of the electric cooking device itself will increase, resulting in a lack of overall balance and the risk of it falling over. Furthermore, if the distance between the protective frame 1 and the cooking plate 2 is increased, a large gap will be created between the two, which may lead to the possibility of dirt or the like getting in there, and the device cannot be manufactured compactly.

Further, as a means to prevent the temperature of the peripheral side portion 2a of the cooking plate 2 from becoming low, it may be considered to provide an electric heater also on the peripheral side portion 2a, but this would increase the cost.

[Object of the Invention] The present invention has been made in consideration of the above-mentioned circumstances, and an object of the present invention is to provide an electric cooker having a heat shielding function not only on the lower surface of the cooker main body but also on the circumferential side.

[IR essentials of the invention] In order to achieve the above object, the present invention includes a cooking device body in which an electric heater is provided on the back side of a dish-shaped cooking plate, and a space between the bottom surface and the circumferential side of the cooking device body. A heat shield plate is provided between the cooking device main body and the protective frame and covering almost the entire lower surface and circumferential side surface of the cooking device main body.

[Embodiment of the Invention] FIGS. 1 to 13 show an embodiment of the present invention, in which the cooking plate 11 is a rectangular plate with an oblique side circumferential portion 11a formed of an aluminum plate, aluminum die-casting, or the like. It is dish-shaped, and on the outside of the side circumferential portion 11a there is a step portion 11b for fitting a lid, which will be described later.
A step portion 11c is formed on the back side of the roughly fitting step portion 11b.
form. The surface of this cooking plate 11 is the cooking part 1
1d, a fluororesin layer 12 is formed, and an electric heater 13 such as a sheathed heater is integrally cast on the back surface. At both ends of this electric heater 13, plug terminals 14 for electrical connection are connected, with the tips of the plug terminals 14 at the side circumference 1.
1a, and are connected in the horizontal direction. This plug-in terminal 14 is fitted with a terminal cover 14a with openings on the front and bottom sides. Further, a lock fitting 15 is provided in parallel with the insertion terminal 14 at the same location, and the tip 15a thereof is inclined outwardly and upwardly so as to protrude in the same direction. A cooking device main body 10 is formed by the cooking plate 11 and the electric heater 13. The heat shield plate 16 provided with a gap from the cooker main body 10 is made of an aluminized steel plate, a galvanized iron plate, an aluminum plate, or a steel plate. It consists of a circumferential side cover portion 16b that covers the circumferential side surface 10b of the cooking device main body 10 that is arranged in series and extends to the folded step portion 11c.

The shape of the heat shield plate 16 is approximately the same as the shape of the lower surface 10a and the circumferential side surface 10b of the cooking device main body 10, that is, the shape is substantially similar. Make the distance Q between the cover portions 16b smaller than the distance a between the lower surface of the cooker main body 10 and the lower surface cover portion 16a of the heat shield plate 16.a.The distance between the lower protrusion 11e formed by attaching the electric heater 13 and the heat shield plate 16. The distance a is made larger than the other distance a to form a downwardly protruding portion 16c.

On the opposite side of the plug-in terminal 14 is a protective frame 21 shown in FIG.
A hook 11 for engaging the cooker body 10 is fixedly attached to the cooker main body 10.
A sensor contact portion 18 of a wet sensor, which will be described later, is formed at a proper location on the lower surface of the sensor. This sensor contact portion 18 is located on the lower surface 10
The contact plane 18a formed at a and the downward I! around this contact plane 18a. ! It is formed from a peripheral wall 18b provided therein.

18C is a through hole for a temperature sensor formed in the heat shield plate 16, 19 is a screw that fixes the center of the lower surface of the cooking device main body 10 and the center of the heat shield plate 16, and 20.20a is a hole for the temperature sensor formed in the heat shield plate 16.
These are support legs placed on the left and right sides of the

On the other hand, the protective frame 21 that covers the cooking device main body 10 at intervals with the heat shield plate 16 is made of plastic, and includes a lower surface portion 21a that covers the lower side of the lower surface covering portion 16a of the heat shield plate 16, and a periphery of the heat shield plate 16. A peripheral side surface portion 21b that covers the side of the side surface cover portion 16b
It is composed of a peripheral part 21d extending over the entire outer circumference of this peripheral side part 21b via a step part 21c. Said lower surface part 2
A large number of ventilation holes 22 are formed in 1a. The peripheral portion 21d
A temperature adjustment knob 23 is provided on the surface thereof, and a temperature hanging knob 23 and a pilot lamp 26 are provided on the surface thereof, and handles 25 are formed on the left and right peripheral parts.

An insertion portion 27 for the hook 17 is formed at a portion of the protection frame 21 that faces the hook 17 fixed to the adjustment device main body 10.

The insertion terminal 14 is connected to a portion of the protective frame 21 facing the insertion terminal 14 and the lock fitting 15, and an electrical connection power source 28 and the lock fitting 15 are connected to the insertion terminal 14 to supply electricity to the electric heater 13.
A locking mechanism 29 of the cooking device main body 10 that is locked to the cooking device main body 10 is arranged in parallel at the same location. The M source section 28 for electrical connection into which the terminal cover 148 is externally fitted from above is provided with a pair of left and right blade holders with portions 28a opening inwardly and upwardly;
8a is connected to the temperature Ill 'ilJ section 24 by a 'Wl source cord (not shown). The locking mechanism 29 has an upper end that can be freely latched to the upper surface of the lock fitting 15, and a frame body 29a that has a gate-shaped front face and a letter-shaped side face, and the other end projects outward from the peripheral side surface 21b of the protective frame 21. , the suppressing body 29b to be attached to this side end portion is attached to the locking fitting 1 of the frame body 29a.
5, and a mounting shaft 29c installed horizontally to rotatably support the mounting shaft 290 in the front-rear direction; death,
It consists of a spring 29d whose other end is provided so as to be able to come into contact with the lower surface of the lock fitting 15, and urges the cooking device main body 10 upward. The other end of the spring 29d has an upward bias height of I.
A stopper 29e is provided to limit the IJ. The locking mechanism 29 allows the GLL appliance main body 10 to be housed in the protective frame 21 in a predetermined position, and the insertion terminal 14 and the blade holder portion 28a can come into contact with each other. Temperature sensor 3 that senses the temperature of the cooking device main body 10
1 is provided at a portion of the lower surface portion 21a opposite to the sensor contact portion 18. The cylindrical heat sensitive part 31a of this temperature sensor 31
is made of aluminum or the like with good heat conduction, and this heat sensitive part 31
a is a straight line X-X connecting the hook 17 and the blade receiver part 28a
Set it higher. The temperature sensor 31 is attached to the lower surface 21a of the protective frame 21 by forming a recessed escape path 32 for the lead wire 31b on the installation surface 32b by ribs 32a or the like. For installation, the temperature sensor is installed on the installation surface 32b with the upper part of the ring 33 standing upright, and the temperature sensor installed with the ring 33 widened at the bottom is installed on the stand 34.
Insert it so that it can be raised and lowered freely. The temperature sensor is mounted on a stand 34, and a suppression spring 35 is interposed between the mounting surface 32b. The lead wire 31b of the temperature sensor 31 is disposed in a groove 36 with a lid 36a that connects the escape path 32 and the temperature control section 24.

If the temperature becomes abnormally high due to a malfunction or misuse of the temperature sensor 31 or the temperature controller 24, a temperature fuse 37 that detects this and cuts off the electric circuit shown in FIG. 13 is connected to the temperature of the protective frame 21. It is provided on the control section 24 side. To install the temperature fuse 37, a window hole 38 is formed near the upper edge of the peripheral side surface 2ib of the temperature control section 24, and the upper part of the temperature fuse mounting body 39 made of aluminum or the like with good heat conductivity is inserted into the window hole 38 from the back side. The backing plate 38a is inserted into the backing plate 38a and fixed.

A temperature fuse 37 is wound around and held at the lower part of the mounting body 39. The exposed upper part of the temperature fuse attachment 39 is black to improve heat collection.

On the back surface of the lower surface portion 21a of the protective frame 21, a stand 40 for standing the protective frame 21 upside down is formed of a wire rod. This stand 40 is approximately U-shaped, with a bent end 4 of a vertical side 40a.
0b is pivotally attached to the center of the back side of the lower surface portion 21a. An inverted stopper 41 that fixes the stand 40 at a predetermined angle and a storage stopper 41a that allows the stand 40 to lie down on the lower surface 21a when not in use are provided near the bent end 40b.

Further, a concave portion 40d slightly larger than the width of a hand is formed in the horizontal side 40c of the stand 40 in the direction of the pivot portion 40e. Further, the horizontal side 40c of the stand 40 is arranged inside the handle 21e.

A stand reinforcing plate 56 is provided at the pivot portion 40e @ of the bent end portion 40b. The stand reinforcing plate 56 is provided with a disk-shaped stand reinforcing plate main body 56a and a protruding portion of the stand reinforcing plate main body 56a, and is provided with a protective frame 56 when the stand 40 is stored.
1, and an inversion protrusion 56c that protrudes from the stand reinforcing plate main body 56a and abuts the lower surface 21a to fix the stand 40 at a predetermined angle when the stand 40 is inverted. And this stand reinforcement plate 56
To attach the folded end 40b, form the bent end 40b into a semicircular shape to provide a flat part 40f, and fit into the semicircular mounting hole 56d formed at the center of the stand reinforcing plate 56.
b and the stand reinforcing plate 56 are fixed.

An M42 locking body 43 that covers the upper side of the cooking plate 11 is provided on the peripheral side part 21b of the protective frame 21 which is on the upper side when the cooking plate 11 is turned upside down. This lock body 43 has a protruding stopper 43b formed near the outer upper end of the circular arc plate 43a, and an operating body 43C at the outer lower end. A guide protrusion 43d is provided vertically at the inner center of the arcuate plate 43a, and a protruding stopper 43'' is formed.The lock body 43 is attached to the protruding window 44 of the arcuate plate 43a from the upper end of the peripheral side surface 21b.
At the same time, a narrow guide hole 45 is provided vertically below this protrusion window 44, and a backing plate 46 is provided on the back side of the protrusion window 44.
will be established. An arcuate plate 43e is inserted inside this backing plate 46. 43e is a stopper that prevents the lock body 43 from being removed.

A power cord 47 is connected to the temperature control unit 24, and winding first to
3 pillars 48, 48a, 48b to the lower surface 2 of the protection frame 21
Placed on the back side of 1a. This winding support 48 is 48a,
A protruding portion 48c is formed at the lower end of 48b, and these pillars 48a, 48b are arranged in a triangular shape, and one of the first pillars 48 is connected to the power cord 4.
It is disposed near the inside of the mounting portion 47a of No.7. Corner guides 49 are disposed at intervals on the outside of the first support 48 by means of ribs or a plurality of protrusions, and the corner guides 49 bypass the outside of the support 48 from the mounting portion 117a.
A power cord stopper 50 is provided to clamp the end of the power cord 7.

FIG. 13 shows a circuit diagram of the present invention. Reference numeral 13 denotes an electric heater in which a pilot lamp 26 indicating energization is connected in parallel, and this electric heater 13 is a temperature sensor 31 with a negative characteristic as a temperature detection element. It has a thermistor. The resistance value of this thermistor decreases as the temperature of the electric heater 13 rises, and the comparator 51 compares the voltage value of the thermistor with the voltage value of the variable resistor 23a that slides with the temperature adjustment knob 23. There is.

Then, when the temperature of the electric heater 13 rises and reaches the temperature set by the temperature control knob 23, the comparator 51 outputs a high level, the transistor 52 is turned on, and the relay 53 operates. The open contact 53a is turned off to stop energizing the electric heater 13, and the electric heater 1
A temperature fuse 37 is connected in series to the electric heater 13, so that if the electric heater 13 heats up abnormally, the electric heater 13. Note that 42a in the figure is a handle of the lid, 42b is a curled portion formed on the periphery of the lid 42, and 54 is a rubber leg.

Next, the operation of the above embodiment will be explained.

First, the cooking device main body 10 with the heat shield plate 16 fixed thereto is placed on the protective frame 21.
In order to store and support it, the hook 17 is inserted into the insertion portion 2γ and locked.

Push down the lock fitting 15 side of the cooker main body 10 toward the lock mechanism 29 side. At this time, the sensor contact portion 18 formed on the lower surface 10a of the cooking device main body 10 first contacts the heat sensing portion 31a of the temperature sensor 31. This means that the heat sensitive part 31a is connected to the hook 1.
This is because the spring 29d pushes up the straight line X-x connecting the insertion portion 7 and the insertion portion 27. Therefore, when the cooking device main body 10 is pushed down, the heat-sensitive portion 31a is pressed against the contact plane 18a while being guided by the surrounding wall 18b. The heat sensitive portion 31a of the temperature sensor 31 contacts the contact plane 18a and the inner wall of the surrounding wall 18b.

When the cooker main body 10 is further pushed down, the spring 29
d hits the lower part of the lock fitting 15 and pushes the cooking device main body 10 upward. The cooker body 1 resists this pushing up force.
0, the frame 29a is pressed inward by the spring 29d and the end 15 of the lock fitting 15 is pressed down.
It is pressed outward along a. When this frame body 19a is pressed up to the upper end of the tip 15a of the locking metal fitting 15, the upper part thereof is caught by the locking metal fitting 15, and the locking metal fitting 15 is fixed to the frame body 29a.

At the same time that it is fixed in this way, the insertion terminal 14 and the blade receiver part 28a built in the power supply part 28 are connected, and the electric heater 13 is in a state where it can be energized.

When the temperature control knob 23 is set to the desired temperature, the electric heater 1
3 energizes and heats the cooking plate 11. The temperature of the heated water is detected by the temperature sensor 31 of the sensor contact section 18, and the temperature control section 24 controls the cooking plate 11 to a constant temperature, allowing you to cook a variety of dishes from low-temperature to high-temperature dishes. It becomes possible.

At this time, the lower surface part 10a and the peripheral side surface 10 of the cooking device main body 10
Heat radiation from the heat shield plate 16 can be shielded by the lower surface covering portion 16a and the peripheral side covering portion 16b of the heat shield plate 16.

In this way, the lower surface part 10a and the peripheral side part 10 of the cooking device main body 10
By shielding the heat generated from the heat shield plate 16, it is possible to prevent the mounting surface B and the protection frame 21 from being directly heated. The heat of the heat shield plate 16 exchanges heat with the air A entering the room through the ventilation holes 22, and is cooled. The air A, which has become high temperature through heat exchange, is transferred to the outside of the cooking device main body 10 and the protective frame 21.
is discharged through a gap @D formed inside the circumferential side part 21b. During use, when the temperature of the I-processor body 10 becomes abnormally high due to a malfunction or malfunction of the temperature control section 24 or the temperature sensor 31, the temperature fuse 37 cuts off the electric circuit and stops energizing the electric heater 13. This heats the temperature fuse attachment body 39 whose upper portion is exposed through the window hole 38 facing the cooking device main body 10, and this heating temperature is transmitted to the lower part, and then cuts the temperature fuse 37 attached to the lower part.

After cooking, the pressing body 29b is pushed downward to wash the cooking device main body 10. Due to this pressing action, the frame body 29a is rotated to the outside of the lock fitting 15, and the locked state is released. When the locked state is released, the lock fitting 15 is released by the spring 29d.
The cooking device main body 10 can be taken out by being pushed up. When storing the electrical cord 47, attach it to the part 47.
After first aligning the outside of the corner guide 49 with a, then wrap the second support 48a, then the third support 48b, and the first support 4.
8, then attach the tip of the power cord 47 to the cord stopper 50.
Clamp it in place to stop it.

After covering the cooking device main body 10 with M42, the lock body 43
Push up the operating body 43c. By this pushing up, the arcuate plate 43a is pushed up, and the tip of the arcuate plate 43a protrudes from the protruding window 44 formed near the step 21c of the protection frame 21, and locks into the curled part 42b formed at the edge of the lid 42, thereby closing the lid. Fix one side of 42. At this time, the first hemper 43b is engaged with the wall portion of the peripheral side surface portion 21b of the protection frame 21, and is in a locked state.

When storing the cooker upside down, place your hand in the recess 40d and release the stand 4 from the locked state by the storage stopper 41a.
Pull out 0. After being locked to the stand/do stopper 41, the lid 42 is turned upside down with the lock body 43 facing upward.

At the same time as the stand 40 is rotated, the stand reinforcing plate 56 whose storage projection 56b is in contact with the lower surface portion 21a is also rotated, and the inverted projection 56c is brought into contact with the lower surface portion 21a to support the stand 40 together with the stand stopper 41. do.

When setting the cooker main body 10 in the protective frame 21 in this way, first the heat sensitive part 31a of the temperature sensor 31 is pressed against the sensor contact part 18 by the pressing spring 35, and then the insertion terminal 14 and the blade holder part 28a are connected to the locking metal fittings. 15 and the locking mechanism 29, it is always in a locked temperature sensing state when energized. As a result, it is possible to prevent the possibility of abnormal use of the equipment, and therefore there is no possibility that the temperature will become abnormally high, causing discoloration or deterioration of the fluororesin, or deterioration of performance, or causing abnormalities in heat-sensitive parts such as plastics. Oh, burns.

There is no risk of electric shock due to fire or deterioration of insulation performance. Moreover, since the heat-sensitive portion 31a is urged upward by the pressing spring 29d, i! When the 1g1MI device main body 10 is set in the protective frame 21, the heat sensitive part 31a can be pressed and abutted. Therefore, the temperature sensing portion 31a can be reliably brought into contact with the sensor contact portion 18 during setting and during power supply. Furthermore, since the power supply section 28 can be connected to the plug terminal 14 when the cooking device main body 10 and the holding frame 21 are in a predetermined storage state, that is, when the cooking device main body 10 and the protective frame 21 are not completely set by the locking mechanism 29, , spring 2
Since the electric cooker is pushed up by 9d and placed in a position where electrical connection is not possible, the electric heater 13 is not energized even when the electrical connection is incomplete, which is safe. Moreover, since the power supply section 28 is arranged in parallel with the locking mechanism 29 fixed to the cooking device main body 10, the electric connection with the plug terminal 14 is established at the same time as the locking mechanism 29 of the electric cooking device main body 10 and the protective frame 21 is activated. Therefore, the setting operation for both is easy and can be performed reliably.

By providing the surrounding wall 18b on the sensor contact portion 18, contact with the heat sensitive portion 31a can be made not only on the contact plane 18a but also on the surrounding wall 18b, thereby increasing the heat transfer area of the heat sensitive portion 31a.

This prevents poor contact due to dust and dirt.
The temperature of the cooking device main body 10 can be detected accurately. Since the lead wire 31b of the heat sensitive part 31a is disposed through the escape path 32, a flat part 35a is secured on the installation surface of the temperature sensor 31, and the pressure spring 35 can be installed stably.

The heat from the lower surface 10a and the peripheral side surface 10b of the cooking device main body 10 is prevented from escaping to other places by the heat shield plate 16 that covers this, and is also prevented from escaping to other places by the heat shield plate 16 which has a large heat exchange area with the air A from the ventilation holes 22. It can exchange heat efficiently. Therefore, since the thermal efficiency is good, the mounting surface B of the cooking device main body 10
The installation height H can be reduced and stability can be improved. Furthermore, since the gap can be made smaller, it is less likely that oil splashes or juices will fall into the gap during cooking, and at the same time, oil splashes will not get inside the heat shield plate 1G, making cleaning easier. Become. Furthermore, since the heat shield plate 16 also covers the circumferential side surface portion 10b of the cooker main body 10, the heat retention function is exerted on the circumferential side surface portion 10b of the cooker main body, and temperature variations on the cooking surface i1d are reduced. By making the shape of the heat shield plate 1G substantially the same as the shape of the lower surface part 10a of the cooking device main body 10 and bringing it closer to the cooking device main body 10, the thermal influence of the heat shield plate 16 on the protection frame 21 and the mounting surface B can be reduced. You can do less. Furthermore, by making the gap Q between the circumferential side surface portion 10b of the cooking device main body 10 and the circumferential covering portion 16b of the heat shield plate portion smaller than the gap a at other locations (Q′<a), the lower surface 10 of the cooking device main body 10
The high-temperature air Δ between the heat shield plate 16 and the heat shield plate 16 can be prevented from reaching the peripheral side part 21b as much as possible, and the temperature of the peripheral side part 21b of the protection frame 21 can be lowered. Therefore, the openings 55 of the cooking device main body 10 and the protective frame 21 can be made smaller. Downward protrusion 1 formed by electric heater 13
By making the portion of the heat shield plate 16 opposite to the heat shield plate 1e project downward and making the gap [a] larger than the gap a elsewhere, there is no high-heat localized portion of the heat shield plate 1G. As a result, the cooking device main body 10 is not affected by high heat locally.
The temperature distribution on the cooking surface of the cooking plate 11 can be made uniform.

A part of the temperature fuse mounting body 39 with good thermal conductivity to which the temperature fuse 37 is attached is exposed to the window hole 38, and the cooking device main body 10 is
Temperature abnormalities can be quickly detected by placing the sensor close to the
Fires and damage to parts can be reduced. In addition, convection air A due to radiant heat from the cooking device body 10 and the heat shield plate 16 creates a gap.

Window hole 3 near the upper edge of the protective frame 21, which reaches the highest temperature due to D.
8, temperature abnormalities can be detected more quickly.

The installation is performed by providing a corner guide 49 near the portion 47a so as to bypass the first support 48.
Since the start of winding in the first spring does not overlap with the second spring, winding becomes easier.

By providing the locking body 43 of the lid 42, the lid 42 can be fixed and can be easily stored.

Moreover, since the lock body 43 is provided inside the stepped portion 21c of the protective frame 21, it is hidden and does not appear when not in use.
It is difficult for dirt to adhere to it and is also excellent in terms of design. This locking body 43 is provided at one location on the upper side when the device is inverted, and the lid 42 can be fixed, so it can be manufactured at low cost. Note that a plurality of lock bodies 43 of this lid 42 may be provided.

The stand 40 is installed at the protective frame 21 near the tip.
By putting it inside the handle 21e, the appearance will not be spoiled. Furthermore, since the stand 40 is formed with four parts 40d, it is easy to carry the stand 40 without being obstructed by the recess 40d when the stand 40 is carried by the handle 21e.

When the cooker is inverted, the stand 40 is supported not only by the stand stopper 41 but also by the contact between the inverted protrusion 56a of the stand reinforcing plate 56 and the lower surface portion 21a,
Improves stability in inverted position.

It should be noted that the present invention is not limited to the above-mentioned embodiments; for example, the support columns 48 may be provided at two or four or more locations, and the escape paths 3
2 is not a rib but a protrusion.

Various modifications are possible, such as forming a groove.

[Effects of R-light] As described above, the present invention includes a cooking device body in which an electric heater is provided on the back side of a dish-shaped cooking plate, and a supporting protection that covers the lower surface and peripheral side of the cooking device body at intervals. It consists of a frame and a heat shield plate provided between the cooking device main body and the protective frame that covers almost the entire bottom surface and circumferential side of the cooking device main body. The heat shielding function of the circumferential side surface can be demonstrated.

As a result, the heat exchange area with the air increases, improving thermal efficiency. Therefore, the temperature of the protective frame and the mounting surface can be lowered, and the overall height of the electric regulator can be lowered, resulting in improved stability and safety. Furthermore, the gap between the cooker body and the protective frame can be made smaller, the intrusion and fall of cooked food, oil splashes, juices, etc. from the opening can be reduced, the dirt on the inner surface of the protective frame can be reduced, and cleaning can be made easier. Moreover, the periphery of the cooker body is
! Since the heat shield can achieve the same function, it can even out the temperature distribution in the cooker body, and can also prevent discoloration, deterioration of the heat shield plate, and deterioration of the coating.

[Brief explanation of drawings]

Figures 1 to 13 show Electricity III@! of the present invention! One embodiment of the cooking device is shown, and Fig. 1 is a longitudinal cross-sectional view of the entire side surface, Fig. 2 is a longitudinal cross-sectional view of the entire front side, and Fig. 3 is a longitudinal cross-sectional view of the entire cooking device when it is set. , FIG. 4 is a vertical cross-sectional view showing the locking mechanism, FIG. 5 is a view around the temperature sensor, FIG. 5 (A) is an exploded perspective view, FIG. 5 (8) is a vertical cross-sectional view, and FIG. shows the locking body of the lid, Fig. 6 (A> is a vertical sectional view, Fig. 6 (B) is an exploded perspective view, Fig. 7 is an overall front view when inverted, and Fig. 8 shows the area around the stand. Figure 8 (A
) is a sectional view, FIG. 8(B) is a perspective view, FIG. 9 shows the area around the temperature fuse, FIG. 9(A) is a longitudinal sectional view, and FIG.
Figure (B) is an exploded perspective view, Figure 10 (△) is an overall bottom view,
Fig. 10 CB) is an overall plan view, Fig. 11 is an exploded perspective view of the entire structure, Fig. 12 is a perspective view showing the area around the power cord winding support, Fig. 13 is an electric circuit diagram, and Fig. 14 is a conventional example. FIG. 10...Cooking device body 11...Cooking plate 13
...Electric heater 16... Heat shield plate patent applicant Toshiba Heat Appliances Co., Ltd. Representative Patent attorney
Mamoru Ushiki Figure 6 (B) (A) Figure 9 who figure (B)

Claims (3)

[Claims] (1) A cooking device body with an electric heater provided on the back side of a dish-shaped cooking plate, a supporting protective frame that covers the lower surface and the circumferential side of the cooking device body at intervals, and the cooking device body and the protective frame. An electric cooker comprising a heat shield plate provided between the cooker body and covering almost the entire lower surface and circumferential side surface of the cooker body. (2) The electric cooker according to claim 1, wherein the heat shield plate has substantially the same shape as the lower surface and peripheral side of the cooker main body. (3) The distance between the circumferential side of the cooker body and the heat shield plate is smaller than the distance between the lower surface of the cooker body and the heat shield plate. Electric cooking according to claims 1, 2, and 3, characterized in that the distance between the cooker body and the heat shield plate is larger than the distance between the other parts of the cooker body and the heat shield plate. vessel.