JP3222793B2 - Electric cooker safety device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety device for an electric cooker having a detachable cooking plate such as a hot plate.

[0002]

2. Description of the Related Art In an electric cooker provided with a detachable cooking plate such as a hot plate, a heater is cast into the thickness of the cooking plate, and the heater is connected to a plug receiver provided on the cooking plate. 2. Description of the Related Art There has been conventionally known an apparatus in which a heater terminal is provided, and a plug of a power supply is inserted into the above-mentioned plug receiver to supply electricity to a cooking plate.

In such an electric cooker, if the plug is inserted into the plug receiver with the cooking plate removed from the cooking device main body, it is dangerous because electricity is supplied to the cooking plate. For this reason, it has been conventionally known to provide a safety device that prevents a plug from being inserted into a plug receiver unless a cooking plate is placed on a cooking device main body (for example, Japanese Utility Model Laid-Open No.
No. 7-103029 and Japanese Utility Model Laid-Open No. 58-36590).

[0004]

On the other hand, in the above-mentioned electric cooker, a heat shield plate is provided on the inner bottom surface of the cooker main body in order to prevent the heat of the cooker plate from being transmitted directly to the cooker main body. Then, cooking plates are installed on the heat shield plate at required intervals.

[0005] Such a heat shield plate is usually fixed to the main body of the cooker so that it cannot be easily separated. However, when the heat shield plate becomes dirty, there is a demand for removing and cleaning the heat shield plate. In order to deal with this, a structure in which a heat shield plate is detachably attached may be adopted.

However, if such a structure is adopted, after the user removes the heat shield plate as required for cleaning or the like, he forgets to attach it and puts the cook plate directly on the cooker body, and There is a risk that power is supplied without the hot plate attached.

Therefore, the present invention relates to an electric cooker in which a cooking plate and a heat shield plate are detachably mounted, and not only the cooking plate but also the heat shield plate is energized unless the heat shield plate is mounted in a proper state. It is an object of the present invention to provide a safety device that cannot be used.

[0008]

A first means for achieving the above object is that a heat shield plate is provided on the inner bottom surface of the cooking device main body, and a cooking plate is detachably mounted on the heat shield plate. An electric cooker comprising: a heater provided within the thickness of the cooking plate, a plug receiver attached to the cooking plate, and a heater terminal connected to the heater and a heat-sensitive rod insertion hole provided in the plug receiver. A baffle plate guide portion through which the heat-sensitive rod insertion hole penetrates is provided in the plug receiver, and two baffle plates are arranged in the baffle plate guide portion in a plane perpendicular to the heat-sensitive rod insertion hole and housed up and down freely, A notch into which the heat-sensitive bar can be inserted when both are fitted to adjacent inner sides of the two baffle plates is provided, and a closing portion for partially closing the heat-sensitive insertion hole is provided at each inner side above each notch. Provided on the lower end surface of the baffle plate guide. Two blocking release holes are provided corresponding to the positions of the magic plates, and the cooking device main body and the heat shield plate are provided with respective blocking release projections to be fitted into the respective block release holes, and the cooking plate and the heat shield plate are provided. When the baffle plate is in a state of being separated from the cooker main body, the respective baffle plates are in the lowered position by their own weight, and their closing portions close the heat-sensitive rod insertion holes, and the cooking plate and the heat shield plate are connected to the cooker body. When placed on the baffle, the respective blocking release projections are inserted into the respective blocking releasing holes to push up both baffle plates, so that the cutouts of the respective baffle plates match the respective heat-sensitive rod insertion holes. (Claim 1).

The second means comprises a heat shield plate on the inner bottom surface of the cooker body, a cooking plate detachably mounted on the heat shield plate, and a heater provided within the thickness of the cook plate. In an electric cooker in which a plug receiver is attached to a cooking plate and a heater terminal connected to the heater and a heat-sensitive rod insertion hole are provided in the plug receiver, two positions of the heat-sensitive rod insertion hole are respectively penetrated in the plug receiver. The baffle plate guides are provided side by side in the direction of the heat-sensitive rod insertion holes, and the baffle plates are housed in the respective baffle plate guides so as to be movable up and down. A hole or a notch and a closing portion for closing the heat-sensitive rod insertion hole are provided above the insertion hole or the notch, and a closing release hole is provided at a lower end of each of the baffle plate guides, and the cooker main body and the shield are provided. Fit the above-mentioned blockage release holes on the hot plate When the cooking plate and the heat shield plate are separated from the cooking device main body, the respective baffle plates are at the lowered position by their own weight, and each of the blocking portions is the heat-sensitive rod insertion hole. When the cooking plate and the heat shield plate are placed on the cooking device main body, the respective blocking release projections are fitted into the respective blocking release holes, thereby pushing up both baffle plates and inserting the respective baffle plate through holes. Alternatively, the notch is adapted to match the heat-sensitive rod insertion hole (claim 2).

According to each of the above constructions, in each case, unless the cooking plate is placed on the cooking device main body, the corresponding baffle plate is not pushed up, so that the heat-sensitive rod of the plug is obstructed by the closing portion and inserted. Because it is not possible to energize the cooking plate. Also, if you forget to install the heat shield plate, the corresponding baffle plate cannot be pushed up.
As in the above, the plug cannot be inserted, and therefore the cooking plate cannot be energized.

The above-mentioned cooking plate has cooking portions on both upper and lower sides,
If it is of the type that is turned upside down as needed and one of the sides is used for cooking, in addition to the configuration of the first means, in addition to the configuration of the first means, each inner side of the notch lower part of each baffle plate It is possible to adopt a configuration in which a closing portion for partially closing the heat-sensitive rod insertion hole is provided, and a blocking release hole facing the blocking release hole on the lower end surface is provided on the upper end surface of the baffle plate storage portion.

In addition to the configuration of the second means, a closing portion for closing the heat-sensitive rod insertion hole is provided below each insertion hole or notch of each baffle plate, and an upper end surface of the baffle plate storage portion is provided. Alternatively, a configuration may be adopted in which a closing release hole facing the blocking release hole on the lower end surface is provided.

[0013]

Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, the electric cooker according to the present invention comprises a cooker main body 1, a heat shield plate 4 detachably attached to the cooker main body 1, and a cooking plate 2 of a double-sided use type.

The cooker main body 1 is a rectangular dish-shaped unit integrally formed of a heat-resistant synthetic resin.
It has.

At the center of one of the short sides of the gart 3, there is provided a receiving recess 5 for the plug receiver which is opened inward and outward, and a vertical positioning groove 6 is formed on the opposing inner surface forming the receiving recess 5. It is formed. Further, a first blockage release projection 7 is formed at a position deviated by a fixed distance X from the center line c (see FIG. 4) of the short side.

In addition, a lock plate 8 is fixed by screws 8a on the center line c at the bottom of the cooker body 1 approaching the storage recess 5 (see FIGS. 4 and 9 (b)).
The lock plate 8 stands vertically behind the first release projection 7, and the lock plate 8 has a lock hole 1.
0 is provided.

On the other short side of the guard 3, a notch 9a for fitting the handle 9 of the cooking plate 2 is provided. Two support legs 11 are provided on the inner surface of each long side of the guard 3, and the cooking plate 2 is placed on the upper end surfaces of a total of four support legs 11 on both sides.

The heat shield plate 4 is a metal plate formed in a rectangular shape so as to be fitted to the bottom surface of the cooking device main body 1, and four tapered mounting legs 40 are mounted on its lower surface by screws 41. The mounting legs 40 can be removably fitted into the tapered fitting holes 42 of the cooking device main body 1. A spring piece 43 having a U-shape in plan view is attached to one of the fitting holes 42 (see FIG. 3).
3 is spread by the tapered portion 44, and
And the spring piece 43 is fitted to the neck and locked.
Conversely, when removing the heat shield plate 40, when the heat shield plate 40 is pulled up strongly, the spring piece 43 is expanded at the reverse tapered portion 45 of the neck portion, so that the mounting leg 40 comes off from the spring piece 43.

On one short side of the heat shield plate 4, as shown in FIG. 4, a cut-and-raised piece 46 that is bent 180 degrees by cutting and raising and extends outward from the short side is provided. Then, a second blockage releasing projection 7a is formed on the upper surface of the cut-and-raised piece 46. The position of the second blockage release projection 7a is determined so as to be located at the same distance X from the center line c in the opposite direction to the first blockage release protrusion 7.

Further, the cut-and-raised piece 4 is attached to the heat shield plate 4.
A notch 47 is provided adjacent to 6, and the lock plate 8 is fitted into the notch 47.

As shown in FIG. 1, the cooking plate 2 has a rectangular iron plate shape, and ribs 12 surrounding four sides are formed on upper and lower surfaces.
13 'is provided. In the illustrated case, the upper cooking unit 13 is provided with a number of parallel ribs 14 in the short side direction as shown in FIGS. 5 to 7 and is used for grilling meat. Also, the other lower cooking portion 13 'is a hemispherical recess 15 of 5 columns and 4 rows.
Are provided at regular intervals, and are used for takoyaki cooking.

One heater 16 is cast into the inside of the thickness of the cooking plate 2, and a plug receiver 17 is attached to the center of one short side of the cooking plate 2. Plug receiver 1
7 is a lower member 17a and an upper member 17 as shown in FIG.
b is aligned up and down, integrated by screws 18 screwed from below, and further attached to the side surface of the cooking plate 2 by screws 21 screwed in the horizontal direction via spacers 19.

The heater 16 is provided inside the plug receiver 17.
Are protruded, and the heater terminals 16a are screwed to the both ends 22 via insulators 16b. The lower member 17a of the plug receiver 17 is provided with a lower guide hole 23a having an open upper end.
Are provided on the front and rear end walls at the upper end of the lower guide hole 23a, and semicircular recesses 24a opened upward are provided respectively.

The upper member 17b of the plug receiver 17
The upper guide hole 23b whose lower end is open is the lower guide hole 23a.
And semicircular recesses 24b that are open downward are provided in the front and rear end walls at the lower end of the upper guide hole 23b.

The lower guide hole 23a and the upper guide hole 23b are
The baffle plate guide portion 23 is formed by butting up and down, and the upper and lower semicircular recesses 24a and 24b are formed.
Rod insertion hole 2 penetrating through the baffle plate guide 23
4 are formed (see FIG. 9).

The heat-sensitive rod insertion hole 24 and the heat-sensitive hole 25 (see FIG. 5) provided at the center of the short side of the cooking plate 2 are concentric.

Inside the baffle plate guide portion 23, two baffle plates 27a, 27b arranged in a direction perpendicular to the heat-sensitive rod insertion hole 24, that is, in a short side direction of the cooking plate 2, are vertically movably accommodated. You. Each of the baffle plates 27a and 27b is a square plate, as shown in FIGS. 8 and 9 (a), and semicircular notches 28a and 28b are formed at the same height on the inner sides facing each other. You. When these notches 28a and 28b are combined, an insertion hole 28 corresponding to the heat-sensitive rod insertion hole 24 is formed.

The upper and lower closing portions 29a and 29b and the lower closing portion 29 are provided at upper and lower portions of the cutouts 28a and 28b, respectively.
a ′, 29b ′ are formed, and each of these closed portions 29a,
29a ', 29b, 29b' are heat-sensitive rod insertion holes 2 respectively.
Four halves can be individually closed. Further, when the left and right baffle plates 27a and 27b are aligned, the heat-sensitive rod insertion holes 24 are completely closed by the left and right closing portions 29a, 29a 'and 29b and 29b', respectively.

A lower end surface and an upper end surface of the baffle plate guide portion 23;
That is, the lower end surface of the lower guide hole 23a and the upper end surface of the upper guide hole 23b correspond to the baffle plates 27a and 27b, respectively.
The blockage release holes 26a, 26a ', 26b, 26b' are formed (see FIG. 9A). These blocking release holes 26
a, 26a ', 26b, 26b' to the first and second
The projections 7 and 7a for releasing the blockage are fitted (FIG. 9B).
(D)).

When the cooking plate 2 is detached from the cooking device main body 1, the baffle plates 27a and 27b shown in FIG.
As shown in (b), the lower blockage release holes 26a, 26
a ', and the notches 28a, 28b
The insertion hole 28 formed is located below the heat-sensitive rod insertion hole 24, and the upper closing portions 29a and 29b close the heat-sensitive rod insertion hole 24.

However, when the cooking plate 2 is placed on the cooking device main body 1, the first closing release projection 7 is fitted into the lower closing release hole 26a as shown in FIGS. The second unblocking projection 7a fits into the other unblocking hole 26a '. As a result, the baffle plates 27a and 27b are pushed up, and the insertion holes 28 formed by the notches 28a and 28b are formed.
Then, the heat-sensitive rod insertion hole 24, the lock hole 10 and the heat-sensitive hole 25 are concentric, and the heat-sensitive rod 35 of the plug 34 can be received.

The positional relationship between the heat-sensitive rod insertion hole 24 in the plug receiver 17 and the pair of heater terminals 16a, 16a is as shown in FIG.
4 and the pair of heater terminals 16a are on the same horizontal line H, and the heater terminals 16a, 16a are in a symmetrical position with respect to a vertical line V passing through the center of the heat-sensitive rod insertion hole 24. Further, the shape of the receptacle 33 of the plug receptacle 17 is also formed in a vertically and horizontally symmetrical shape with respect to the horizontal line H and the vertical line V.

Even when the cooking plate 2 is turned upside down due to such a positional relationship, the plug 34 (see FIG. 5) can receive the plug 34 (see FIG. 5).
7 can be fitted. In addition, when turned upside down, the above-mentioned blocking release projections 7 and 7a are fitted into the respective blocking release holes 26b and 26b 'at the top, and push up the baffle plates 27a and 27b, respectively.

The upper and lower cooking units 13, 1 on the cooking plate 2
The mounting surface 31 is provided at two locations at a predetermined interval inside the 3 ′ rib 12 along the long side, that is, a total of four placement surfaces 31 in two sets of right and left (see FIGS. 6 and 7).

The height of the mounting surface 31 is as shown in FIG.
As shown in (a), it is installed at the same height a above and below the horizontal plane including the horizontal line H, and at a symmetrical position separated by a fixed distance b with respect to the vertical plane including the vertical line V. . Due to such a positional relationship, when the cooking plate 2 is turned upside down, each mounting surface 31 is placed on the same support leg 11, and the position of the horizontal line of the cooking plate 2 is maintained at the same height.

Further, both side surfaces of the plug receiver 17 are
As shown in FIG. 0 (c), a vertical guide rib 32 is provided at a position symmetrical with respect to the vertical plane at a distance c, and the plug receiver 17 is housed in the plug receiver recess 5 of the container body 1. At this time, the plug receiver 17 is positioned by fitting the guide rib 32 into the positioning groove 6. Due to such a positional relationship, the position of the plug receiver 17 can be maintained at the same position even when the cooking plate 2 is turned upside down.

The electric cooker according to the first embodiment is as described above . Now, as shown in FIGS. 5 and 6 , in order to use the upper cooking section 13 for grilling meat, the cooking plate 2 is turned upward. As for the case to be placed on the cooker body 1, control the physical plate 2
9A is separated from the cooking device main body 1 in FIG.
As shown in (b), since the two baffle plates 27a and 27b are at the lower level, their upper closing portions 29a and 29b close the heat-sensitive rod insertion hole 24. For this reason, when trying to insert the plug 34 into the plug receiver 17, the heat-sensitive bar 35 interferes with the upper closing portions 29 a and 29 b (see the two-dot chain line in FIG. 9B), and the plug 34 cannot be inserted.

When the cooking plate 2 is placed on the cooking device main body 1, the placing surface 31 is placed on and supported by the support legs 11, and the
As shown in (c) and (d), the first and second blocking release projections 7 and 7a are fitted into the lower blocking release holes 26a and 26a ', respectively, and push up the baffle plates 27a and 27b. As a result, the closing of the heat-sensitive rod insertion hole 24 is released, and the plug receiver 1 is closed.
The heat-sensitive stick 35 can be inserted because the heat-sensitive stick insertion hole 24 of the seventh, the insertion hole 28 of the baffle plates 27a and 27b, the lock hole 10 of the lock plate 8 and the heat-sensitive hole 25 of the cooking plate 2 are concentric. As a result, the plug 34 can be fitted into the plug receiver 17, and the heater 16 can be energized and the heat-sensitive rod 35 can be inserted into the heat-sensitive hole 25.

By energizing the heater 16 in this manner, the cooking plate 2 is heated and cooking is performed. Even if it is attempted to lift the cooking plate 2 in the energized state, the cooking plate 2 is
, Cannot be separated from the cooking device main body 1.

On the other hand, when the cooking plate 2 is placed on the case where the attachment of the heat shield plate 4 has been forgotten for some reason, the first blockage release projection 7 is fitted into one blockage release hole 26a,
The corresponding baffle plate 27a is pushed up, but the other baffle plate 27b is not pushed up by the second blockage releasing projection 7a, so that the upper blocking portion 29b is in the heat-sensitive rod insertion hole 2.
4 is closed (see the two-dot chain line in FIG. 9B). For this reason, when trying to insert the plug 34 into the plug receiver 17, the heat-sensitive bar 35 interferes with the upper closing portion 29 b and cannot be inserted. This avoids the danger of energizing the cooking plate 2 without the heat shield plate 4 and alerts the user to the fact that the user has forgotten to attach the heat shield plate 4.

Next, the cooking plate 2 is turned upside down,
In order to use the lower cooking portion 13 'for takoyaki cooking upward, remove the plug 34, lift the cooking plate 2, and rotate it 180 degrees around the heat-sensitive rod insertion hole 24 of the plug receiver 17. Then, plug socket 3
3, the position of the heater terminal 16a, and the positional relationship of the placing surface 31 are maintained in the same shape and the same positional relationship as before the inversion, so that the cooking plate 2 is placed on the cooking device main body 1 in the same manner as before the inversion. The plug 34 can be inserted into the plug receiver 17 without changing the vertical direction of the plug 34. Also, when the heat shield plate 4 is forgotten to be attached, the insertion of the plug 34 is made impossible by causing the heat-sensitive bar 35 to interfere with the lower closing portion 29b 'in the same manner as described above.

Next, in another embodiment shown in FIG. 11 to FIG. 13, the first blockage release is carried out on the center line c (see FIG. 11) of the guard short side in the plug receiving recess 5 of the guard 3. The projection 7 is formed. A cut-and-raised piece 46 is provided at the center of the short side of the heat shield plate 4 so as to be bent 180 degrees and extends outward from the short side. Two release projections 7a are formed. The second release projection 7a is located on the center line c.

A lock hole 10 is provided in a lock plate 8 attached by a screw 8a at a position close to the plug receiving storage recess 5 on the bottom surface of the cooking device main body 1. The lock hole 10 is also on the center line c, and is arranged on the center line c in order of the first release protrusion 7, the second release protrusion 7a and the lock hole 10 from the outside of the storage recess 5.

The plug receiver 17 is the same as the above-mentioned case (see FIG. 8). As shown in FIG. 12, the lower member 17a and the upper member 17b are vertically aligned, and the screw 1 screwed from below is inserted.
8 and a spacer 19 on the side of the cooking plate 2.
It is attached by a screw 21 screwed in the horizontal direction.

The heater 16 is provided inside the plug receiver 17.
Are protruded, and the heater terminals 16a are screwed to the both ends 22 via insulators 16b. The lower member 17a of the plug receiver 17 has two lower guide holes 2 with upper ends open.
3a, 23a 'are provided adjacent to each other in the inward and outward directions, and semicircular recesses 24a, which are open upward, are provided on both front and rear end walls and intermediate walls of the lower guide holes 23a, 23a'.

The upper member 17b of the plug receiver 17
Upper guide holes 23b and 23b 'having a lower end opened are provided in opposition to the lower guide holes 23a and 23a', and are opened downward to the front and rear end walls and the intermediate wall at the lower ends of the upper guide holes 23b and 23b '. Each semicircular recess 24b is provided.

The lower guide holes 23a, 23a 'and the upper guide holes 23b, 23b' are vertically abutted, so that
The baffle plate guides 23 and 23 'are formed, and the baffle plate guides 2 are formed by upper and lower semicircular recesses 24a and 24b.
3 , a heat-sensitive rod insertion hole 24 penetrating through 23 ' is formed (see FIG. 13). In other words, each baffle plate guide 23,
23 'are provided side by side in the direction of the heat-sensitive rod insertion hole.

The heat-sensitive stick insertion hole 24 and the heat-sensitive hole 25 provided at the center of the short side of the cooking plate 2 are concentric. These are on the center line c.

The baffle plates 27a and 27b are accommodated in the baffle plate guides 23 and 23 'so as to be vertically movable. Each of the baffle plates 27a and 27b is a rectangular plate as shown in FIG. 12, and has through holes 28a and 28b for the heat-sensitive bar 35 at the center. The upper blocking portions 2 are respectively provided at the upper and lower portions of the insertion holes 28a and 28b.
9a, 29b and lower closed portions 29a ', 29b' are formed.

The lower end surfaces and upper end surfaces of the baffle plate guides 23 and 23 ', that is, the lower end surfaces of the lower guide holes 23a and 23a' and the upper end surfaces of the upper guide holes 23b and 23b 'are respectively provided with respective baffle plates 27a. , 27b corresponding to the blocking release holes 26a, 2b,
6a ', 26b, 26b' are inward and outward (the heat-sensitive rod insertion hole 2
4 direction). The first and second blockage release projections 7, 7 'fit into these blockage release holes 26a, 26a', 26b, 26b '(see FIG. 13).

When the cooking plate 2 is detached from the main body 1, the baffle plates 27a and 27b prevent the heat-sensitive stick 35 from being inserted by the closing portions 29a and 29b. The power is not supplied.

Further, even when the attachment of the heat shield plate 4 is forgotten, the insertion of the heat sensitive bar 35 is prevented by the closing portion 29b of the baffle plate 27b. When both the heat shield plate 4 and the cooking plate 2 are correctly mounted on the cooker main body 1, as shown in FIG. 13 (b), the first and second deblocking projections 7, 7a are each closed release hole. 26a, 26a ', and each baffle plate 27a, 2a
7b is pushed up and these insertion holes 28c, 28d,
The heat-sensitive rod insertion hole 24 and the lock hole 10 and the heat-sensitive hole 25 are concentric, and the heat-sensitive rod 35 can be inserted.

The same applies to the case where the cooking plate 2 is used upside down.

[0054]

As described above, according to the first and second aspects of the present invention, the plug cannot be inserted into the plug receiver unless both the heat shield plate and the cooking plate are attached to the cooking device main body. In addition to avoiding the danger of energizing the cooking plate when the plate is removed from the cooker main unit or when the heat shield plate is forgotten even if the cooking plate is attached, the user is required to avoid forgetting to attach these plates. You can let them know.

According to the third and fourth aspects of the present invention,
Even in the case of a cooking plate of a double-sided use type, the same effect as described above can be obtained.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an embodiment.

FIG. 2 is a partially exploded perspective view of the same.

FIG. 3A is a cross-sectional view of the heat shield plate mounting portion in the same embodiment. FIG. 3B is a cross-sectional view taken along line bb in FIG.

FIG. 4 is a partially exploded perspective view of the same.

FIG. 5 is a sectional view of the above.

FIG. 6 is a plan view of the above.

FIG. 7A is a plan view of the above cooking plate when it is inverted, and FIG. 7B is a cross-sectional view taken along the line bb in FIG.

FIG. 8 is an exploded perspective view of the plug receiving portion according to the embodiment.

9A is a cross-sectional view of the same plug part, and FIG. 9B is an exploded cross-sectional view of the same plug and plug receiving part. FIG. 9C is a cross-sectional view of the same plug and plug receiving part inserted. Sectional view taken along line dd in FIG.

10 (a) is a partially omitted cross-sectional view of the cooking plate of the above, and (b) is a cross-sectional view of a state of being placed on the cooking device main body of the above, and is a plan view of FIG. 10 (b).

FIG. 11 is an exploded perspective view partially showing another embodiment.

FIG. 12 is an exploded perspective view of the plug receiving portion of the above.

13A is a cross-sectional view showing a state where the heat shield plate is not attached. FIG. 13B is a cross-sectional view showing a state where the heat shield plate is attached.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cooker main body 2 Cooking plate 3 Guard 4 Heat shield plate 5 Storage recess 6 Positioning groove 7 1st closure release projection 7a 2nd closure release projection 8 Lock plate 8a Screw 9 Handle 9a Notch 10 Lock hole 11 Support leg 12 Rib 13, 13 'Cooking part 14 Rib 15 Hemispherical recess 16 Heater 16a Heater terminal 16b Insulator 17 Plug receiver 17a Lower member 17b Upper member 18 Screw 19 Spacer 21 Screw 22 Both ends 23, 23' Baffle plate guide 23A, 23a 'Lower guide hole 23b, 23b' Upper guide hole 24 Heat-sensitive rod insertion hole 24a, 24b recess 25 Heat-sensitive hole 26a, 26a ', 26b, 26b' Blockage release hole 27a, 27b Baffle plate 28 Insertion hole 28a, 28b Notch 28c, 28d Insertion holes 29a, 29b Upper closing part 29a ', 29b' Lower closing part 31 Placement 32 guide ribs 33 socket 34 Plug 35-out heat-sensitive rod 40 mounting legs 41 bis 42 fitting hole 43 spring piece 44 tapered portion 45 opposite the tapered portion 46 cut and raised piece 47 notch

Continuation of the front page (72) Inventor Shinichiro Iga 1-20-5 Tenma, Kita-ku, Osaka Zojirushi Ma Hobin Co., Ltd. (56) References JP-A-8-308743 (JP, A) (JP, U) JP-A 6-4506 (JP, U) JP-A 58-36590 (JP, U) (58) Fields surveyed (Int. Cl. ⁷ , DB name) A47J 37/06

Claims (4)

(57) [Claims] 1. A heat shield plate is mounted on an inner bottom surface of a cooker main body, and a cooking plate is detachably mounted on the heat shield plate. A heater is provided within the thickness of the cooking plate, and a plug receiver is provided on the cooking plate. An electric cooker comprising: a heater terminal connected to the heater and a heat-sensitive rod insertion hole provided in the plug receiver, wherein the plug receiver is provided with a baffle plate guide portion through which the heat-sensitive rod insertion hole passes. Two baffle plates are arranged in the guide portion in a plane perpendicular to the above-mentioned heat-sensitive bar insertion hole and housed vertically so that they can be freely moved up and down. In addition to providing a notch that can be formed, a closing portion that partially closes the heat-sensitive insertion hole is provided on each inner side of the upper portion of each notch. Holes for releasing the obstruction, Each of the heat shield plates is provided with a blockage release projection that fits into each of the blockage release holes. When the cooking plate and the heat shield plate are separated from the cooker body, the baffle plates are lowered by their own weight. When each of the closing portions closes the heat-sensitive rod insertion hole and the cooking plate and the heat shield plate are placed on the cooking device main body, the respective blocking release projections fit into the respective blocking releasing holes. A safety device for an electric cooker, characterized in that both baffle plates are pushed up, and the cutouts of each baffle plate are matched with the heat-sensitive rod insertion holes. 2. A heat shield plate is mounted on an inner bottom surface of the cooker body, and a cooking plate is detachably mounted on the heat shield plate. A heater is provided within the thickness of the cooking plate, and a plug receiver is provided on the cooking plate. In an electric cooker provided with a heater terminal and a heat-sensitive rod insertion hole connected to the heater in the plug receiver, two baffle plate guides through which the heat-sensitive rod insertion holes respectively penetrate the plug receiver. Provided side by side in the direction of the heat-sensitive rod insertion hole, the baffle plate is stored in each of the baffle plate guides so as to be movable up and down, and an insertion hole or notch matching the heat-sensitive bar insertion hole in each of the baffle plates, A closing portion for closing the heat-sensitive rod insertion hole is provided above the insertion hole or the notch, and a closing release hole is provided at the lower end of each of the baffle plate guides, and the closing portion is provided in the cooking device main body and the heat shield plate. Occlusion release projection that fits into the release hole Provided respectively, when the cooking plate and the heat shield plate are in a state separated from the cooking device main body, each of the baffle plates is at a lowered position by its own weight, and each closing portion closes the heat-sensitive rod insertion hole; When the cooking plate and the heat shield plate are placed on the cooking device main body, the respective blocking release projections are fitted into the respective blocking release holes, thereby pushing up both the baffle plates, and inserting the through holes or notches of the respective baffle plates. A safety device for an electric cooker, wherein the safety device is matched with a heat-sensitive rod insertion hole. 3. The cooking plate has cooking portions on both upper and lower surfaces, and is turned upside down as necessary, and one of the surfaces is used for cooking. A closing portion for partially closing the heat-sensitive rod insertion hole was provided on each inner side of each notch lower portion, and a closing release hole facing the closing release hole on the lower end surface was provided on the upper end surface of the baffle plate storage portion. The safety device for an electric cooker according to claim 1, wherein: 4. The cooking plate has cooking portions on both upper and lower surfaces, and is turned upside down as necessary, and one of the surfaces is used for cooking. A closing portion for closing the heat-sensitive rod insertion hole is provided at a lower portion of the hole or the notch, and a closing release hole facing the closing release hole on the lower end surface is provided at an upper end surface of the baffle plate storage portion. The safety device for an electric cooker according to claim 2.