JPS589684Y2 - electric stove - Google Patents

Description

[Detailed description of the invention] This invention relates to an electric stove, and particularly to an electric stove whose main body is made of ceramic.

2. Description of the Related Art Conventionally, electric stoves using heating wires have been widely used in home kitchens and the like.

By the way, recently there has been a demand for kitchen utensils that have a beautiful appearance and are especially colorful.

However, since the main body of such an electric heater is formed of an iron plate, it is not possible to freely shape the appearance or add patterns to the surface.

Additionally, since the main body is made of iron, the paint applied to its surface may peel off or rust, which is undesirable.

Therefore, the main purpose of this invention is to provide a completely new electric stove whose main body is made of ceramic to solve the above-mentioned problems.

In summary, this idea consists of forming a concave cavity on the upper surface of the upper body for housing a heating plate containing a heating element, a first air vent hole and a protruding part approximately in the center, and screwed through a first through hole for screw fastening drilled approximately at the center of the hole, the first air hole, and a third through hole of the receiving plate provided in contact with the lower surface of the concave cavity; The receiving plate has a fourth hole drilled at its end.
A third hole is drilled in the lower body that can fit into the through hole of the upper body.
The second air hole of the lower body is screwed to the lower body through the through hole, and the interval between the plurality of claw-shaped parts formed on the receiving plate and the interval between the hot plate and the protrusion formed in the concave cavity are adjusted. This allows air to circulate through the tube.

The above objects and other objects and features of the present invention will become more apparent from the following detailed description with reference to the drawings.

FIG. 1 is a perspective view of one embodiment of this invention, FIG. 2 is a sectional view taken along line II-II shown in FIG. 1, and FIG.
The figure is a partially cutaway perspective view showing a preferable example of the concave part,
FIG. 4 is a perspective view showing a preferred example of the receiving plate.

The specific structure of this electric stove will be described below with reference to FIGS. 1 to 4.

The upper body 1 and the lower body 2 are made of pottery, and are formed by fitting into a mold so that the whole has a substantially disk shape so that the side walls can fit together.

A pair of handles 1 are provided on the relatively upper side of the side wall of the upper body 1.
1a and llb are integrally formed.

Further, approximately at the center of the upper surface of the upper body 1, there is a heating plate 3 having a heating wire 31 as a heating element and a first through hole 32 for preventing snapping in the center thereof. A concave portion 12 that can be accommodated is formed, and a convex cross-section portion 13 having a substantially circumferential shape and having a height higher than at least the upper surface of the heating plate 3 is formed on the periphery of the concave portion 12 .

A first air hole 12 is located approximately at the offshore center of the bottom surface of the concave portion 12.
1 is bored, and a plurality of protrusions 122 are formed radially extending outward from the vicinity of the air hole 121.

The air holes 121 act to expand outward when the upper body 1 is heated and expanded by the heating plate 3, so that cracks in the upper body 1 can be prevented.

A substantially circumferential projection 14 is formed on the lower surface of the concave portion 12 to define a mounting position of a receiving plate 4, which will be described later.

The lower body 2 has a second air hole 21 at its bottom,
Through hole 2 for fixing the receiving plate 4 described later with screws 62
2, 22, and a through hole 23 for inserting a cable 7 for supplying power to the heating wire 31 of the heating platen 3.

Furthermore, a saucer portion 24 is formed on the bottom surface of the lower body 2 to receive water that boils and spills when a pot or the like is placed on the heating plate 3 and heated by the heating wire 31. be done.

This saucer portion 24 also serves as a reinforcing material for the bottom surface of the lower main body 2.

Further, leg portions 25 are formed on the lower surface of the lower body 2.

In addition, in the fitting part of the upper body 1 and the lower body 2,
Turn on and off the power applied to the heating wire 31
A switch 5 for switching the capacity of 1 is provided.

The receiving plate 4 is for fixing the upper main body 1, the lower main body 2, and the heating plate 3, and is formed by making an iron plate or the like into a disc shape.

A claw-shaped part 41 is formed on the peripheral edge of the receiving plate 4 so as to extend upward and be bent so as to be spaced apart from each other to vent air.

Also, approximately at the center of this receiving plate 4, there is a heating plate 3 when assembled.
A third through hole 42 is located at a position opposite to the through hole 32 of the lower body 2, and a fourth through hole 43 is located at a position opposite to the through hole 22, 22 of the lower body 2.
．． 43 are drilled.

These through holes 43.43 are tapped.

FIG. 5 is a perspective view of the main part for explaining the mounting part of the switch 5 included in one embodiment of the invention.

In the figure, a well-known changeover switch is used as switch 5.

In order to fix the switch 5 between the upper body 1 and the lower body 2, columnar projections 15° 15 are formed so as to extend downward from the inner surface of the upper body 1, and to extend upward from the bottom surface of the lower body 2. plate-like protrusion 16 and columnar protrusion 17
is formed.

Further, near the fitting portion between the side wall of the upper body 1 and the side wall of the lower body 2, semicircular through holes 1B and 25 are formed, respectively, through which the rotating shaft 51 of the switch 5 passes.

When assembling the electric stove constructed in this manner, first place the heating plate 3 on the protrusion 122 of the concave portion 12 of the upper body 1.
Place.

Furthermore, the tip of the claw-like part 41 of the receiving plate 14 is brought into contact with the circumferential convex part 14 below the concave part 12 so that the air in the concave part 12 is The waji 61 is inserted into the through hole 42 of the receiving plate 4 through the hole 121.

Then, a nut 63 is screwed onto the tip of the screw 61 to fix the heating plate 3, the upper main body 1, and the receiving plate 4.

After that, the side wall of the lower main body 2, the columnar projection 17 and the plate-like projection 1
6 and the switch 5 is placed between them, and the lower body 2 and the upper body 1 are fitted together.

Then, screw 6 into the through hole 22.22 from the bottom of the lower body 2.
2.62, turn the screws 62, 62 to screw them into the through holes 43, 43 of the receiving plate 4, and fix the receiving plate 4 and the lower main body 2.

Thereby, the heating plate 3, the upper main body 1, the receiving plate 4, and the lower main body 2 are integrated.

Also, when the switch 5 is turned to apply power to the heating wire 31, the air hole 21 of the lower body 2 is connected to the claw-shaped portion 41 of the receiving plate 4.
．． 41 and the protrusions 122 of the concave portion 12 and the heating plate 3
Since air flows through the gap between the heating wire 31 and the bottom surface, when a pot etc. is placed on the upper body 1, the air flow between the heating wire 31 and the bottom of the pot improves, and the heating wire 31 heating efficiency can be improved.

Note that, more preferably, the trivet 8 may be provided on the upper main body 1.

In this case, a stepped portion is provided approximately in the center of the trivet leg 81,
A through hole 17 into which a leg 81 can be inserted is bored around the concave portion 12 of the upper body 1.

Further, a cavity 18 on which the tip of the leg 81 can be placed is provided between the through hole 17j7.

Therefore, when the leg 81 of the trivet 8 is inserted into the through hole 17, the height of the trivet 8 can be lowered, and when the leg 81 is placed on the cavity 18, the height of the trivet can be increased. , the height of the trivet can be adjusted as needed.

In the above embodiment, the upper body 1 and the lower body 2 are made of ceramic, but only the lower body 2 may be made of metal such as an iron plate.

Further, in the above-described embodiment, the receiving plate 4 is formed of an iron plate, but it may also be formed by fitting a piece of earthenware into a mold.

In this case, since a tap cannot be provided in the pottery, the nut is buried in the through hole 43.

Further, in the above-described embodiment, the protrusion 122 is formed as a protrusion, but a plurality of protrusions may be formed so as to be distributed on the bottom surface of the recess 12.

According to this invention, the main body of the electric stove is made of ceramic, so the external shape can be formed into various shapes, and a wide variety of colors and patterns can be produced. can be administered.

Furthermore, since the main body is made of ceramic, it will not rust, making it more preferable when placed on a dining table.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of an embodiment of this invention. FIG. 2 is a sectional view taken along line II--II shown in FIG. FIG. 3 is a partially cutaway perspective view showing a preferred example of the concave portion. FIG. 4 is a perspective view showing a preferred example of the receiving plate. FIG. 5 is a perspective view of a main part of a switch mounting part included in an embodiment of this invention. In the figure, 1 is the upper body, 12 is the recessed part, 121 is the first air hole, 122 is the protruding part, 2 is the lower body, 21 is the second air hole, 22 is the second through hole, 24 3 is a saucer part, 3 is a heating plate, 31 is a heating wire, 32 is a first through hole, 4 is a receiving plate, 41
42 is the third through hole, 43 is the fourth through hole, 61
62.63 is a screw, 8 is a trivet, 17 is a through hole, and 18 is a cavity.

Claims (2)

[Scope of utility model registration request] (1) At least the main body of the electric stove is made of ceramic, and has a heating plate with a first through hole for storing a heating element and for securing a screw at approximately the center thereof; The main body is hollowed out from an upper main body and a lower main body whose side walls are fitted together, and the upper main body has a concave portion formed at an approximately offshore center of the upper surface for accommodating the heating plate; The lower main body has a first air vent hole formed approximately at the center of the recessed portion, and a plurality of protrusions formed on the upper surface of the recessed portion, and the lower body has a first air vent hole formed at the bottom of the recessed portion. The upper body has a second air vent hole and a second through hole for screwing, and further includes a receiving plate attached below the concave portion of the upper body, and the receiving plate has a second air vent hole located approximately at the center thereof. a third through hole for screw fastening, which is bored and faces the first through hole when assembled; and a third through hole for screw fastening, which is bored at the end thereof and faces the second through hole when assembled. A fourth through hole for securing the ratchet; and a fourth through hole formed on the periphery of the fourth through hole extending upward and spaced apart from each other for air venting, the upper end of which is in contact with the lower surface of the recess. It has a plurality of claw-shaped parts that are in contact with each other, and the heating plate, the upper main body, and the receiving plate are screwed together by the first through hole and the third through hole through the first air hole. and fixing the receiving plate and the lower body through the second through hole and the third through hole.
a gap between the second air vent hole of the lower body and the receiving plate and a gap formed between the heating plate and the concave part by the protruding part; An electric stove characterized by air convection through the stove. (2) The electric stove according to claim 1, wherein the protruding portion is a protrusion extending radially from the vicinity of the first air hole.