JP3232687U - Cooking hot plate - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hot plate for cooking which is easy to assemble, disassemble and wash while aiming at downsizing and weight reduction. SOLUTION: A thin plate-shaped cooking plate main body 10 having a surface plate 11 on the upper surface, a plate-side connecting portion integrally provided on the cooking plate main body 10, and detachably attached to the plate-side connecting portion. It is provided with a leg portion 30. A film heater that generates heat is arranged inside the cooking plate main body 10, and the surface plate 11 is heated. An operation unit 43 and a power supply connection unit 44 are provided on the first leg portion 31, and by connecting and fixing the first leg portion 31 to the cooking plate main body 10, external power is supplied to the film heater. The film heater generates heat at a predetermined temperature. [Selection diagram] Fig. 1

Description

The present invention relates to a cooking hot plate.

Hot plates for cooking are popular as simple cooking utensils, and various types have been proposed, but most of them include a cooking plate body having a surface plate on the upper surface as shown in Patent Documents 1 and 2. The main body case provided with a heating part such as a sheathed heater was formed so as to be removable. Therefore, it is inevitable that the overall size, especially its thickness, will increase and the weight will also increase, and it will be bulky for taking in and out of the hot plate storage area and cleaning after use. It was time-consuming.
Patent Document 3 discloses a hot plate provided with a heater inside a cooking plate main body having a surface plate on the upper surface, but reduction in the thickness and overall weight of the cooking plate main body is further desired.

JP-A-2010-057571 Japanese Unexamined Patent Publication No. 2013-248214 Japanese Unexamined Patent Publication No. 2017-11342

The present invention is to downsize and reduce the weight of the hot plate.
Another object of the present invention is to provide a hot plate that can be easily assembled, disassembled, and washed.
Still another object of the present invention is to provide a hot plate that can be used only by attaching a leg to a plate-side connection portion integrally provided in the cooking plate main body and connecting a power source.

The present invention solves the above-mentioned problems by applying the following means to a cooking hot plate provided with a surface plate whose cooking temperature is set by energization.
A thin cooking plate body having a thickness of less than 5 mm having the surface plate on the upper surface, a plate-side connection portion integrally provided with the cooking plate body, and a detachable attachment to the plate-side connection portion. It is equipped with a leg. The legs are configured so that they can be attached to and detached from the plate-side connecting portion only by operating a human finger.

The overall thickness of the cooking plate body can be reduced by providing a film heater on the lower surface side of the surface plate that generates heat when energized.
It is desirable that the plate-side connecting portion and the leg portion are provided with a magnet attracting portion that attracts each other from the viewpoint of suppressing accidental dropping.
The cooking plate main body is provided with a back surface plate on the lower surface, and it is possible that the front surface plate and the back surface plate are made of materials having different coefficients of thermal expansion.
It is also preferable that the leg portion has a spherical foot rubber on the sole of the foot.
The cooking plate body is provided with a film heater that generates heat by energization between the front plate and the back plate, and at least one of the plate-side connections is provided with a plate-side terminal that is energized with the film heater. At least one of the legs is a leg-side terminal that supplies power to the plate-side terminal by connecting to the plate-side connection, an operation unit that adjusts the on / off and heat generation temperature of the film heater, and external electric power. The plate-side terminal and the leg-side terminal are electrically connected by attaching the leg to the plate-side connection. Can be implemented as.

Further, the present invention is a cooking plate main body used for a hot plate for cooking, which is provided with a surface plate whose cooking temperature is set by energization on the upper surface and has a flat plate shape as a whole.
The front surface plate, the back surface plate on the lower surface, and a bendable film heater that generates heat by energization arranged between the front surface plate and the back surface plate are provided, and the linear expansion due to the heat generation of the film heater is the back surface. Provided is a cooking plate body of a cooking hot plate, characterized in that the plate is configured to be larger than the surface plate, whereby the entire flat plate-shaped cooking plate body is curved.

The present invention has made it possible to downsize and reduce the weight of the hot plate.
Further, the present invention has been able to provide a hot plate that can be easily assembled and disassembled and washed.
Furthermore, the present invention has made it possible to provide a hot plate that can be used simply by attaching a leg to a plate-side connection portion integrally provided in the cooking plate body and connecting a power source.

The perspective view of the hot plate which concerns on embodiment of this invention. A perspective view of the hot plate with the legs removed. An exploded perspective view of the cooking plate body of the hot plate. (A) An exploded perspective view of the first connection portion of the hot plate, and (B) an exploded perspective view of the second connection portion of the hot plate. An exploded perspective view of the first leg of the hot plate. An exploded perspective view of the second leg of the hot plate. Explanatory drawing of the usage state of the hot plate.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(Overview)
As shown in FIG. 1, the hot plate according to this embodiment includes a cooking plate main body 10 having a surface plate 11 on the upper surface, which becomes a cooking temperature when energized, and legs 30 provided on both left and right sides thereof. ..
The cooking plate main body 10 has a thin flat plate shape except for a plurality of tightening pedestals 18 provided on the lower surface thereof, and the thickness thereof is 3 to 4 mm, that is, 3 mm or more and less than 5 mm.
The first leg 31 on the right side of the figure is provided with an operation unit 43 and a power supply connection unit 44, and by connecting a power line such as a power cord to the power supply connection unit 44, external power is energized and the operation unit 43 is energized. By operating the above, the film heater 14 (see FIG. 3) arranged inside the cooking plate main body 10 generates heat, and the surface plate 11 reaches a predetermined cooking temperature.
The second leg 32 on the left side is not electrically connected to the cooking plate body 10, and the cooking plate body 10 is supported at the same height as the first leg 31 so that the cooking plate body 10 is in a horizontal state. It is something to keep in.

(Detachment of leg 30)
As shown in FIG. 2, the left and right legs 30 are detachably connected to the cooking plate main body 10. This removal is performed on the plate side connecting portion 20 (first connecting portion 21 and second connecting portion 22) provided so as to project downward from the lower surfaces on both the left and right sides of the cooking plate main body 10, and the leg portion 30 (first). The legs 31 and the second leg 32) can be attached by simply attaching them from below, and can be removed by simply pulling them out. In this way, both leg portions 30 can be attached / detached to / from the plate side connecting portion 20 only by the operation of human fingers without using a tool, and can also be attached / detached by extremely simple operations such as insertion / removal. ..

(Structure of cooking plate body 10)
As shown in FIG. 3, the cooking plate main body 10 is formed by stacking and integrating a plurality of plates and sheets.
Specifically, from top to bottom, the front surface plates 1 and 2 upper insulating sheets 13, the waterproof packing 12, the film heater 14, the two lower insulating sheets 15, the pressing plate 16, and the back surface. The plate 17 is overlapped. These are integrated with a fixing bracket such as a screw 19. In this embodiment, by arranging the tightening pedestal 18 having a height on the lower surface of the back plate 17 and fixing it with the screws 19, the cooking plate main body 10 is slightly removed from the mounting surface even in the form in which the legs 30 are not attached. Although it is configured so that it does not come into direct contact in a floating state, the tightening pedestal 18 may not be provided or the washer may be changed to a smaller thickness.

The surface plate 11 can be implemented by using a metal plate such as an iron plate, and it is desirable that the upper surface thereof is subjected to anti-adhesion processing to foodstuffs such as silicon resin processing. On the lower surface of the surface plate 11, a coupling projection 46 having a female screw screwed into the screw 19 is provided so as to project.

The upper insulating sheet 13 is arranged for the purpose of electrical insulation between the film heater 14 and the surface plate 11, and a sheet made of synthetic resin or rubber can be used. In this embodiment, a sheet having almost the same size as the film heater 14 is used, and insertion holes for passing the coupling protrusions 46 are provided on the left and right, but the width between the front and rear sides is the front and rear of the surface plate 11. Since it is set to be smaller than the distance between the coupling protrusions 46 of the above, no insertion hole is provided.

The waterproof packing 12 is provided to ensure the waterproofness inside the cooking plate main body 10, and the outer peripheral edge thereof is from the central portion so as to cover the entire outer edge of the front plate 11 to the back plate 17. Is also considered to be thick.
The waterproof packing 12 is provided with an insertion hole for passing all the coupling protrusions 46.

The film heater 14 is a planar heating element, and is configured by utilizing resistance heat generation of a metal having a high electric resistance value, for example, and generates heat by energization. The metal serving as a heating element may be a metal having a planar shape, or a metal that is linear and bent so as to cover almost the entire area. Further, it may be integrated by being sandwiched between insulating films for insulating the heating element, or it may be one in which the insulating film is not arranged. A connection terminal 29 for energization is provided near the right side of FIG.
The film heater 14 has a thin film shape, and its thickness is preferably 0.3 to 0.5 mm.

The lower insulating sheet 15 is arranged for the purpose of electrical insulation between the film heater 14 and the back plate 17, and a sheet made of synthetic resin or rubber can be used. In this embodiment, a sheet having almost the same size as the film heater 14 is used, and insertion holes for passing the coupling protrusions 46 are provided on the left and right, but the width between the front and rear sides is the front and rear of the surface plate 11. Since it is set to be smaller than the distance between the coupling protrusions 46 of the above, no insertion hole is provided.

The pressing plate 16 is provided as a thickness adjustment in order to press the film heater 14 against the surface plate 11 and heat it uniformly. A sheet slightly smaller than the lower insulating sheet 15 is used and combined. There is no insertion hole for the protrusion 46 to pass through.

The back plate 17 is made of a plate made of metal or synthetic resin, and is arranged so as to cover the entire cooking plate body 10 from below for the purpose of protecting the inside while maintaining the overall strength of the cooking plate body 10. The back plate 17 is provided with insertion holes for passing all the coupling protrusions 46.
The left and right first connecting portions 21 and the second connecting portion 22 are screwed to the left and right connecting protrusions 46 by screws 19.
The back plate 17 is configured such that linear expansion due to heat generation of the curable film heater 14 occurs more than the front plate 11. As a result, as shown in FIG. 6, the entire flat plate-shaped cooking plate body 10 is curved in a bow shape so that both ends are higher than the center. Due to this curvature, it is possible to suppress and alleviate that oil or the like during cooking spills from the end of the cooking plate main body 10. This can be achieved by implementing the back plate 17 using a material having a larger coefficient of thermal expansion than the front plate 11.

(About the first connection part 21)
As shown in FIG. 4A, the terminal case 26 and the terminal packing 27 of the first connection portion 21 are fixed by screws 28. The terminal case 26 has a horizontally long substantially rectangular parallelepiped outer shell that is substantially rectangular in a plan view. The terminal packing 27 is a plate-like body having a substantially rectangular shape in a plan view that covers the lower surface of the terminal case 26, and both are fixed and integrated by screws 28, and fixed and integrated on the lower surface of the cooking plate body 10. There is. A plate-side terminal 23 is arranged inside the first connection portion 21. In this example, a terminal pin is used as the plate-side terminal 23, and the plate-side terminal 23 is fixed to the inside of the first connection portion 21 by the E-ring 24. The upper portion of the plate-side terminal 23 is electrically connected to the connection terminal 29 of the cooking plate main body 10. The lower portion is electrically detachably connected to the leg side terminal 41 of the first leg portion 31, which will be described later, through an opening that opens on the lower surface. Further, inside the first connecting portion 21, a magnet attracting portion 25 for stable connection to the first leg portion 31 is arranged.

(About the second connection part 22)
As shown in FIG. 4B, the terminal case 26 and the terminal packing 27 of the second connecting portion 22 are fixed by the plate-side terminal 23. The terminal case 26 has a horizontally long substantially rectangular parallelepiped outer shell that is substantially rectangular in a plan view. The terminal packing 27 is a plate-like body having a substantially rectangular shape in a plan view that covers the lower surface of the terminal case 26, and both are fixed and integrated by screws 28, and fixed and integrated on the lower surface of the cooking plate body 10. There is. Further, inside the second connection portion 22, a magnet suction portion 25 for stable connection to the first leg portion 31 is arranged, but unlike the first connection portion 21, the plate side terminal 23 and the E ring 24 is not provided.

(About the first leg 31)
As shown in FIG. 5, in the first leg portion 31, the upper case 35 and the lower case 37 are fixed by screws 38. The upper case 35 has a horizontally long substantially rectangular parallelepiped outer shell that is substantially rectangular in a plan view. The lower case 37 has a horizontally long substantially rectangular parallelepiped outer shell having a substantially rectangular shape in a plan view, and a panel 42 is arranged between the screw 38 and the lower case 37 to form a horizontally long substantially rectangular parallelepiped as a whole. A receiving portion 36 is open on the upper surface of the upper case 35, and the first leg portion 31 is detachably attached to the cooking plate main body 10 by inserting the first connecting portion 21 into the receiving portion 36. Be done. A magnet suction portion 39 is arranged inside the first leg portion 31, and is magnetically detachably connected to the magnet suction portion 25 of the first connection portion 21.

An operation unit 43 and a power supply connection unit 44 are provided on the front side of the panel 42, and the power supply connection unit 44 is electrically connected to a control board 45 arranged on the back side of the panel 42. The external power supplied from the power connection unit 44 is adjusted on / off and resistance by an operation such as a person picking and turning the operation unit 43, and is supplied to the film heater 14 of the cooking plate main body 10.
The control board 45 is electrically connected to a leg-side terminal 41 arranged below the receiving portion 36. In a state where the first connecting portion 21 is inserted and attached from the receiving portion 36 of the first leg portion 31, the lower portion of the plate side terminal 23 is inserted into the leg side terminal 41 and electrically connected. The upper part of the plate side terminal 23 is connected to the connection terminal 29 of the film heater 14. As a result, the external power from the power supply connection unit 44 is adjusted to a predetermined value and supplied to the film heater 14, and the film heater 14 generates heat at a predetermined temperature.

A substantially conical foot 33 is attached to both ends of the lower case 37, and a foot rubber 34 serving as a ground contact portion is attached to the bottom of the lower end of the foot 33. The tip of the foot rubber 34 has a spherical shape, and the foot rubber 34 is placed with a small contact area with respect to the mounting surface of the hot plate.
Since the tip of the foot rubber 34 has a substantially spherical shape, even when the entire cooking plate body 10 is curved as shown in FIG. 6, the foot rubber 34 can smoothly follow the curvature. Achieve a possible grounding condition.

(About the second leg 32)
As shown in FIG. 6, in the second leg portion 32, the upper case 35 and the lower case 37 are fixed by screws 38 as in the first leg portion 31. The upper case 35 is provided with a horizontally long substantially rectangular parallelepiped outer shell that is substantially rectangular in a plan view, and a receiving portion 36 is opened on the upper surface of the upper case 35, and a first connecting portion 21 is inserted into the receiving portion 36. By doing so, the second leg portion 32 is detachably attached to the cooking plate main body 10. A magnet suction portion 39 is arranged inside the second leg portion 32, and is magnetically detachably connected to the magnet suction portion 25 of the first connection portion 21.
The mechanical structure of the second leg portion 32 is substantially the same as that of the first leg portion 31, and the description thereof will be omitted. However, the operation unit 43, the power supply connection unit 44, and the control board 45 are not provided. The panel 42 is implemented as a simple rectangular plate.

(Characteristics of this embodiment)
Conventionally, many hot plates for cooking, such as sheathed heaters, have been used as heat sources, but the heat efficiency is poor, a lot of space is required due to the structure, and it often takes time to clean and store. In the cooking hot plate of this embodiment, the cooking plate main body 10 can be made thinner by adopting the film heater 14, and the storage space can be reduced.

This cooking hot plate has a first leg portion 31 that supplies power and controls the temperature, and the magnet suction portion 25 and the magnet suction portion 39 are mounted on the cooking plate main body 10 and the leg portion 30, so that both can be easily obtained. Can be attached and detached. Both the magnet attracting portion 25 and the magnet attracting portion 39 do not have to be magnets, and may be formed of a magnetic material such as iron that magnetically attracts the other with one as a magnet.
However, by adopting zirconia for the magnet suction part 25 and the magnet suction part 39, strong suction is realized and the magnet suction part does not easily come off.
Further, the first leg portion 31 and the second leg portion 32 are provided with the leg coupling magnet suction portion 40 so that the first leg portion 31 and the second leg portion 32 removed from the cooking plate main body 10 can be connected to each other. It can be magnetically attracted, and at the time of storage, it becomes substantially two members of the cooking plate main body 10 and the leg portion 30, which makes it easy to clean up and store.

A terminal packing 27 is attached to the first connection portion 21 to ensure waterproofness during cleaning and the like.
The film heater 14 of the cooking plate main body 10 is sandwiched between the upper insulating sheet 13 and the lower insulating sheet 15 from above and below in order to secure the insulation thereof. Further, a pressing plate 16 is attached so that the film heater 14 is evenly pressed against the surface plate 11. The cooking plate body 10 is also provided with a waterproof packing 12 for waterproofing during cleaning.

10 Cooking plate body 11 Front plate 12 Waterproof packing 13 Upper insulation sheet 14 Film heater 15 Lower insulation sheet 16 Holding plate 17 Back plate 18 Tightening pedestal 19 Screw 20 Plate side connection 21 First connection 22 Second connection 23 Plate Side terminal 24 E-ring 25 Magnet suction part 26 Terminal case 27 Terminal packing 28 Screw 29 Connection terminal 30 Leg 31 First leg 32 Second leg 33 Foot 34 Foot rubber (grounding part)
35 Upper case 36 Receptor 37 Lower case 38 Screw 39 Magnet suction part 40 Leg coupling magnet suction part 41 Leg side terminal 42 Panel 43 Operation part 44 Power connection part 45 Control board 46 Connection protrusion

Claims (7)

In a cooking hot plate equipped with a surface plate on the upper surface that becomes the cooking temperature when energized,
A thin cooking plate body having a thickness of less than 5 mm having the surface plate on the upper surface, a plate-side connection portion integrally provided with the cooking plate body, and a detachable attachment to the plate-side connection portion. With legs
The cooking hot plate is characterized in that the legs can be attached to and detached from the plate-side connecting portion only by operating a human finger. The cooking hot plate according to claim 1, wherein the cooking plate main body is provided with a film heater that generates heat when energized on the lower surface side of the surface plate. The cooking hot plate according to claim 1 or 2, wherein the plate-side connecting portion and the leg portion are provided with a magnet attracting portion that attracts each other. The cooking plate according to any one of claims 1 to 3, wherein the cooking plate main body is provided with a back surface plate on the lower surface, and the front surface plate and the back surface plate are made of materials having different coefficients of thermal expansion. Hot plate. The cooking hot plate according to any one of claims 1 to 4, wherein the leg portion has a ground contact portion having a substantially spherical shape on the sole thereof. The cooking plate main body is provided with a film heater that generates heat by energization between the front plate and the back plate.
At least one of the plate-side connections includes a plate-side terminal that energizes the film heater.
At least one of the legs includes a leg-side terminal that supplies power to the plate-side terminal by connecting to the plate-side connection portion, an operation unit that adjusts the on / off and heat generation temperature of the film heater, and external electric power. Equipped with a power connection
The cooking according to claim 1, wherein the plate-side terminal and the leg-side terminal are electrically connected by attaching the leg portion to the plate-side connection portion. For hot plate. A cooking plate body that is used for cooking hot plates and has a surface plate that reaches the cooking temperature when energized, and has a flat plate shape as a whole.
A bendable film heater that generates heat by energization is provided between the front surface plate, the back surface plate on the lower surface, and the front surface plate and the back surface plate.
The linear expansion due to the heat generated by the film heater is configured so that the back surface plate is larger than the front surface plate, whereby the entire flat plate-shaped cooking plate body is curved. Hot plate cooking plate body.

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