JP3731184B2 - Hot plate - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hot plate for cooking an object to be cooked in a cooking plate by heating with a heater.
[0002]
[Prior art]
FIG. 12 is a cross-sectional view showing an example of a conventional hot plate. In the figure, 1 is a cooker body made of a resin material, and the upper end portion of the side wall 1a is bent outward and then bent downward to form a second side wall 21. 2 is a heat shield installed in the cooker body 1, 3 is a heater provided on the upper surface of the heat shield 2, and 4 is a cooking plate detachably mounted on the heater 3. 6 is a lid of the cooking plate 4, and 7 is a handle thereof, and most of the heat shield plate 2, the heater 3, the cooking plate 4 and the lid 6 are accommodated in the side wall 1 a of the cooker body 1.
[0003]
Here, since the 2nd side wall 21 was further provided in the outer periphery of the side wall 1a of the cooking appliance main body 1, reinforcement of the cooking appliance main body 1 which consists of resin materials, and a heat insulation layer between the side wall 1a and the 2nd side wall 21 This is to prevent the peripheral surface of the side wall 1a from becoming hot during cooking.
[0004]
In the hot plate as described above, an object to be cooked is placed in the cooking plate 4 and covered with the lid 6, and the object to be cooked is heated by the heater 3 to be cooked. In cooking, the heat shield plate 2 and the cooking plate 4 are heated, but the side wall 1a is also heated by the radiant heat. However, since the second side wall 21 is provided on the outer periphery of the side wall 1a across the heat insulating layer 22 so as not to be affected by radiant heat, the temperature of this portion that is easily touched by humans is kept low.
[0005]
[Problems to be solved by the invention]
In the conventional hot plate as described above, the second side wall 21 is provided to reinforce the cooker body 1 and suppress the temperature rise in the vicinity of the side wall 1a. For this reason, the outer shape of the entire hot plate is increased. A large space is required for mounting on a table or the like.
Moreover, in order to keep the heating of the side wall 1a of the cooker body 1 as low as possible, the gaps between the heat shield plate 2 and the cooking plate 4 and the side wall 1a are increased, which is also a factor that increases the size of the hot plate. It was.
[0006]
The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a small and easy-to-use hot plate without reducing the strength of the cooker body.
[0007]
[Means for Solving the Problems]
The present invention includes a cooker body made of a resin material, a heat shield installed in the cooker body, a heater provided on the heat shield, a cooking plate detachably installed on the heater, and the like. in becomes a hot plate, the cooker provided with horizontal and vertical directions or one of ribs switching Operation-away portion on the outer peripheral surface is provided in the side wall of the main body, provided with a plurality of intake holes at the bottom of the side wall a plurality of exhaust holes on the top, discharged from the through the ribs on the outer periphery of the side wall fitted with a metal plate, wherein the exhaust hole outside air flowing in from the intake holes to flow between the side wall and the metal plate This is a gap formed .
[0008]
A plurality of locking holes are provided on the side wall of the cooking device main body, and a locking claw that locks the metal plate in the locking holes is provided.
[0011]
The lower part of the gap formed between the side wall of the cooker main body and the metal plate attached to the outer periphery of the side wall was formed larger than the upper part.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
[Embodiment 1]
1 is an external perspective view of a hot plate according to Embodiment 1 of the present invention, and FIG. 2 is a longitudinal sectional view thereof.
In both figures, 1 is a box-shaped cooker body having a side wall 1a, and 2 is a heat shield installed in the cooker body 1. 3 is a heater installed on the upper surface of the heat shield plate 2, 4 is a cooking plate detachably mounted on the upper surface of the heater 3, and handles 5 are provided on both sides. 6 is a lid of the cooking plate 4 and 7 is a handle. Reference numeral 8 denotes a metal plate attached to the outer surface of the side wall 1a of the cooker body 1 on both sides of the handle 5, and 9 denotes an operation unit detachably attached to the cooker body 1, which is connected to a power source by a power cord 10.
[0013]
As shown in FIG. 3, the horizontal ribs 12a are arranged in parallel up and down as shown in FIG. , 12b are projected, and the lateral ribs 12a, 12b are provided with a plurality of notches 13 in the longitudinal direction. Further, two vertical ribs 14a and 14b for connecting the upper and lower horizontal ribs 12a and 12b at predetermined intervals in the longitudinal direction are provided, respectively, and a notch 13 is provided at a substantially central portion in the vertical direction. Yes.
[0014]
15a and 15b are locking holes provided above and below the lateral ribs 12a and 12b between the vertical ribs 14a and 14b. Between the lower locking holes 15b, further locking holes 15c are provided as necessary. Is provided. Reference numeral 16 denotes a plurality of intake holes penetrating the peripheral wall 11 above the lower lateral rib 12b, and reference numeral 17 denotes a plurality of exhaust holes penetrating the peripheral wall 11 below the upper lateral rib 12a.
[0015]
An example of the metal plate 8 is shown in FIG. This metal plate 8 has a width corresponding to the height between the locking holes 15a and 15b provided in the peripheral wall 11 of the cooking device body 1 and is made of a plate-like metal material having good heat dissipation and the shape of the peripheral wall 11 (front surface). Or the shape from the back surface to the both ends of the handle 5 of the cooking plate 4) is formed by bending in a U-shape. A locking claw 81a to be inserted into an upper locking hole 15a provided in the peripheral wall 11 is provided on the upper edge of the peripheral wall 11 at right angles to the front surface, and a lower edge is provided on the peripheral wall. Locking claws 81b inserted into the lower locking holes 15b and 15c are provided orthogonal to the front surface. Furthermore, locking claws 81c to be inserted into locking holes 15d (see FIG. 5) provided on the upper and lower sides of the both side surfaces of the peripheral wall 11 are provided at both side end portions orthogonal to the side walls. In addition, in order to improve the heat dissipation effect and the designability, the metal plate 8 may be formed in a horizontal or vertical waveform as shown in FIGS.
[0016]
As shown in FIG. 5, the metal plate 8 has an upper locking claw 81a in the upper locking hole 15a, a lower locking claw 81b in the lower locking holes 15b and 15c, The locking claws 81c at both ends are inserted into the locking holes 15d, bent inward, and attached to the outer surface of the peripheral wall 11. At this time, a gap G is formed between the inner surface of the metal plate 8 and the outer surface of the peripheral wall 11 by the horizontal ribs 12a and 12b and the vertical ribs 14a and 14b.
[0017]
In the present embodiment, when an object to be cooked is put in the cooking plate 4 and the heater 3 is energized to perform cooking, the side wall 1a is heated by the radiant heat from the heat shield plate 2 and the cooking plate 4 to become hot. As shown in FIG. 5, a part of the outside air flowing in from the vent hole 1b provided in the bottom of the cooker body 1 rises along the side wall 1a and is sucked into the gap G from the intake hole 16 provided in the peripheral wall 11. Since it flows in the gap G through the notch 13 and is discharged from the exhaust hole 17, the metal plate 8 is cooled by heat exchange during this time, so that the metal plate 11 is prevented from becoming hot. Can do.
[0018]
According to the present embodiment configured as described above, since the second side wall (folding portion) is eliminated as compared with the conventional cooker body, the size of the cooker body can be reduced and space saving can be achieved. Therefore, a user-friendly hot plate can be obtained.
Moreover, since the clearance gap G formed between the metal plate 8 and the surrounding wall 11 becomes a heat insulation layer and a heat insulation effect improves, it is possible to shorten the distance between the circumference wall 11 and the heat shield plate 2 and the cooking plate 3. The cooker body 1 can be further downsized.
[0019]
Furthermore, since the metal plate 8 is in contact with the horizontal ribs 12a and 12b and the vertical ribs 14a and 14b provided on the peripheral wall 11, there is no possibility of deformation even when an external force is applied.
Further, the upper end portion of the metal plate 8 is located below the upper portion of the side wall 1a, and a portion above the metal plate 8 that is easily touched by the person is dissipated by the metal plate 8, so the temperature is lower than others and safe. It is.
[0020]
[Embodiment 2]
6 and 7 are explanatory views of the main part of the hot plate according to the second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted.
In the present embodiment, the upper locking hole 15a provided in the peripheral wall 11 of the cooker body 1 in the first embodiment is omitted, the upper locking claw 81a of the metal plate 8 is omitted, and the width thereof is omitted. Is formed wider than the height from the lower locking hole 15b to the upper end of the peripheral wall 11, and the upper part is bent inward in an inverted U shape.
[0021]
Then, the upper bent portion of the metal plate 8 is fitted to the upper end portion of the peripheral wall 11, and the lower locking claw 81 b is inserted into the locking holes 15 a and 15 c to be bent inward, and the outer surface of the peripheral wall 11. It is intended to be attached to. Note that the locking claws 81c provided at both ends of the metal plate 8 are inserted into the locking holes 15d and bent as in the case of the first embodiment.
[0022]
In this case, as in the case of the first embodiment, the upper locking hole 15a is provided in the peripheral wall 11 of the cooker body 1, and the upper end of the inverted U-shaped bent portion of the metal plate 8 is locked. A claw 81a is provided, the upper bent portion of the metal plate 8 is fitted to the upper end of the peripheral wall 11, and the engaging claw 81a is inserted into the upper engaging hole 15a from the inner side of the peripheral wall 11, and the outer surface of the peripheral wall 11 The lower locking claws 81b are inserted into the locking holes 15a and 15c, and the locking claws 81c provided at both ends are inserted into the locking holes 15d and bent inside to be mounted. Alternatively, refer to FIG.
This embodiment can obtain substantially the same effect as that of the first embodiment.
[0023]
[Embodiment 3]
8 is a cross-sectional view of the main part of the hot plate according to Embodiment 3 of the present invention, and FIG. 9 is a side view of the cooker body 1 of FIG.
This embodiment is different from the first and second embodiments in that the upper part of the side wall 1a of the cooker body 1 is bent outward, and then bent downward to substantially the vicinity of the center of the side wall 1a. A second side wall 21 is provided on the outer periphery of the side wall 1 a, a space (heat insulating layer) 22 is formed between the side wall 1 a and the second side wall 21, and the metal plate 8 is formed on the outer surface side of the second side wall 21. Is the one that is attached.
[0024]
In the present embodiment, the lateral ribs 12a and 12b, the longitudinal ribs 14a and 14b, the notch portion 13, the locking holes 15a and 15b, 15c, 15d, the intake hole 16 and the exhaust hole 17 are provided, and a retaining claw 82 is provided by cutting and raising the locking claw 81a at the top of the metal plate 8.
[0025]
In the present embodiment configured as described above, the locking claw 81a at the top of the metal plate 8 is inserted into the locking hole 15a at the top of the second side wall 21, and the retaining claw 82 is connected to the second peripheral wall. 21, the lower locking claw 81b is inserted into the lower locking holes 15b, 15c, and the locking claw 81c is inserted into the locking holes 15d provided on both side surfaces and bent. The metal plate 8 is attached to the outer surface side of the second peripheral wall 21.
[0026]
In the present embodiment, a large space portion 22 is formed between the side wall 1a and the second side wall 21 of the cooker body 1, and a part of the outside air flowing in from below the space portion 22 is sucked. It is introduced into the gap G from the hole 16, flows in the gap G and is discharged from the exhaust hole 17, and heat exchange is performed by convection between the gap G and the space portion 22.
The side wall 1a of the cooker main body 1 is heated by radiant heat from the heat shield plate 2 and the cooking plate 4, and the second side wall 21 is also heated by these heat conductions, but the metal plate 8 has the gap G and the space portion 22. Since air is cooled from both sides by convection air and outside air, the temperature rise is suppressed and it does not become hot.
[0027]
In the above description, the case where the retaining claw 32 is provided in the upper locking claw 81a of the metal plate 8 is shown, but this retaining claw 8a may be provided in the lower locking claw 81b, or up, down, left and right. The locking claws 81a, 81b, 81c may be provided. Further, without providing the retaining claws 82, the locking claws 81 a to 81 c may be inserted into the locking holes 15 a to 15 d and bent and fixed as in the case of the first embodiment. Note that the retaining claw 82 of the present embodiment can also be used in other embodiments.
[0028]
Thus, in this Embodiment, since the 2nd side wall 21 was further provided in the outer periphery of the side wall 1a of the cooking appliance main body 1, like the prior art, by the radiant heat from the heat shield 2 or the cooking plate 3 Heat of the heated side wall 1a is transmitted to the second side wall 21 by heat conduction, but is cooled by the heat insulating layer formed by the gap G and the space portion 22, and thus the metal plate 8 does not become hot. .
For this reason, the distance between the side wall 1a of the cooker main body 1 and the heat shield plate 2 and the cooking plate 4 can be narrowed. Thereby, the cooker main body 1 can be reduced in size and space-saving.
[0029]
[Embodiment 4]
FIG. 10 is a cross-sectional view of a main part of a hot plate according to Embodiment 4 of the present invention, and FIG. 11 is a side view of the cooker body.
In the present embodiment, the locking hole 15a provided in the upper part of the second side wall 21 in the third embodiment is omitted, and the exhaust hole 17 is bent between the side wall and the second peripheral wall 21. Similarly to the second side wall 21, a horizontal rib 12 c and a vertical rib (not shown) are provided on the inner side (cooking plate 4 side) of the side wall 1 a, and a lower portion (second A locking hole 15e is provided at a position substantially corresponding to the middle portion of the peripheral wall 21 in the vertical direction.
[0030]
Further, the metal plate 8 is widened and bent into a substantially inverted J shape corresponding to the shape from the second side wall 21 to the bent portion 21a and the locking hole 15e of the side wall 1a. A locking claw 81b is provided at the other end, a locking claw 81a having a retaining claw 82 at the other end, and a locking claw 81c is provided at the left and right ends.
[0031]
In the present embodiment, the metal plate 8 as described above is fitted to the side wall 1a and the second side wall 21 from above the bent portion 21a using its elasticity, and the locking claw 81a is engaged with the locking hole. 15e and the retaining pawl 82 is engaged with the back of the side wall 1a, the other engaging pawl 81b is inserted into the engaging holes 15b and 15c, and the left and right engaging pawls 81c are inserted into the engaging holes 15d. The metal plate 8 is attached to the side wall 1a and the second side wall 21 by bending.
[0032]
In the present embodiment, substantially the same effect as in the case of the third embodiment can be obtained. However, since the contact area of the metal plate 8 with the outside air is large, the cooling effect can be further enhanced.
[0033]
[Embodiment 5]
The present embodiment is the same as the above-described first to fourth embodiments except for the lower of the upper and lower horizontal ribs 12a and 12b provided on the side wall 1a or the second side wall 21 (including the side wall 1a in the fourth embodiment). The horizontal ribs 12b are formed higher than the upper horizontal ribs 12a (the projection length is longer), and the vertical ribs 14a and 14b are formed higher corresponding to the lower horizontal ribs 12b as they become lower. Thus, the gap G formed between the metal plate 8 and the side wall 1a or the second side wall 21 is made wider toward the bottom.
[0034]
In the present embodiment configured as described above, a large amount of outside air easily flows from the suction hole 16 and pushes the air warmed in the gap G from the exhaust hole 17, thereby further promoting the cooling of the metal plate 8. be able to.
[0035]
In the above description, the case where the lateral ribs 12a, 12b and the longitudinal ribs 14a, 14b are provided on the side wall 1a or the second side wall 21 of the cooker body 1 is shown, but a part or any one of these is omitted. May be.
Moreover, although the case where the metal plate 8 was formed with the metal material was shown, as long as it is a material with good heat dissipation, you may use materials other than a metal material. Furthermore, although the case where the metal plate 8 was formed in a U-shape corresponding to the shape from the front surface (or rear surface) of the peripheral wall 11 of the cooker body 1 to the handle 5 of the cooker body 1 was shown, The metal plate 8 may be mounted around the circumference.
[0036]
【The invention's effect】
The present invention includes a cooker body made of a resin material, a heat shield installed in the cooker body, a heater provided on the heat shield, a cooking plate detachably installed on the heater, and the like. It becomes a hot plate, provided with the cooker sidewall or the second horizontal and vertical directions or one of ribs switching Operation-away portion on the outer peripheral surface is provided in the side wall of the main body, a plurality in the lower part of the side wall a plurality of exhaust holes on the top provided with an intake hole, wherein via the ribs on the outer periphery of the side wall fitted with a metal plate, and the outside air flow flowing in from the intake holes between the side wall and the metal plate Since the gap discharged from the exhaust hole is formed, it is possible to reduce the size and save space without reducing the strength of the cooker body.
[0037]
Moreover, the heating of a metal plate can be suppressed with the air which flows through the clearance gap formed between the rib provided in the side wall, and the metal plate with which it was mounted | worn. Moreover, even if an external force is applied to the metal plate by providing the rib, it is not easily deformed and a gap can be secured.
In addition, since multiple intake holes and exhaust holes are provided on the side wall, outside air introduced into the gap through the intake hole flows through the notch, and hot air that has undergone heat exchange is discharged from the exhaust hole. As a result, heating of the metal plate can be suppressed.
[0038]
Further, since the plurality of locking holes are provided in the side wall and the locking claws provided in the metal plate are inserted into the locking holes to be locked, the metal plate can be securely attached to the cooker body. .
[0041]
In the above hot plate, since the lower portion of the gap formed between the side wall or the second side wall of the cooker body and the metal plate attached to the outer periphery of these side walls or the second side wall is formed larger than the upper side, Low-temperature air smoothly flows into the gap from the intake port, and heat-exchanged high-temperature air is pushed out from the exhaust hole, so that the cooling of the metal plate can be further promoted.
[Brief description of the drawings]
FIG. 1 is an external perspective view of a hot plate according to a first embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of FIG.
3 is a side view of the cooker body of FIG. 1. FIG.
4 is a perspective view and a cross-sectional view of the metal plate in FIG. 1. FIG.
FIG. 5 is an enlarged view of a main part of FIG. 2;
FIG. 6 is a side view showing a part of a cooker body of a hot plate according to Embodiment 2 of the present invention.
7 is a cross-sectional view of a main part of a hot plate according to Embodiment 2. FIG.
FIG. 8 is a cross-sectional view of a main part of a hot plate according to Embodiment 3 of the present invention.
9 is a side view of the cooker body of FIG. 8. FIG.
FIG. 10 is a cross-sectional view of a main part of a hot plate according to a fifth embodiment of the present invention.
11 is a side view of the main part of the cooker body of FIG.
FIG. 12 is a longitudinal sectional view of an example of a conventional hot plate.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Cooker main body, 1a side wall, 2 heat shield plate, 3 heater, 4 cooking plate, 6 lid body, 8 metal plate, 81a-81c latching claw, 11 peripheral wall, 12a, 12b, 12c lateral rib, 13 notch, 14a, 14b Vertical rib, 15a, 15b, 15c, 15d Locking hole, 16 intake hole, 17 exhaust hole, 21 2nd side wall, 22 space part, G clearance

Claims (3)

In a hot plate comprising a cooker body made of a resin material, a heat shield installed in the cooker body, a heater provided on the heat shield, a cooking plate detachably installed on the heater, etc. ,
The cooker provided horizontal and vertical directions or one of ribs Switching Operation-away portion on the outer peripheral surface is provided in the side wall of the main body, a plurality of exhaust at the top provided with a plurality of intake holes at the bottom of the side wall a hole is provided, forming a gap outside air flowing in from the intake holes are discharged from the exhaust hole to flow between through the ribs on the outer periphery of the side wall fitted with a metal plate, said side wall and the metal plate hot plate, characterized in that it was. The hot plate according to claim 1, wherein a plurality of locking holes are provided in a side wall of the cooker body, and a locking claw that locks the metal plate in the locking holes is provided . Hot plate according to claim 1 or 2, characterized in that larger than the upper downward of the formed gap between the cooker body wall and the side wall metal plate mounted on the outer periphery of the.

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