KR100848868B1 - Kettle For Ricekettle - Google Patents

Abstract

The present invention relates to a ceramic inner pot comprising a cover provided with a packing, an inner body made of porcelain located under the cover, and an outer body surrounding the inner body and comprising a metal, wherein the inner body The inner circumference of the upper surface is provided with an inclined surface formed to be wider circumferentially upward, the packing of the cover is in close contact with the upper surface, the outer body provides a ceramic inner pot, characterized in that the inner body to prevent damage and heat transfer to the inner body. .

Cooker, inner pot, metal, brass, knob

Description

Pottery Inner Pot {Kettle For Ricekettle}

1 is a cross-sectional view of a first embodiment of the ceramic inner pot of the present invention.

FIG. 2 is a partial cross-sectional view showing portion A of FIG. 1. FIG.

3 is a partial cross-sectional view showing a portion B of FIG.

4 is a cross-sectional view showing another form of part A of FIG. 1;

Figure 5 is a cross-sectional view of a second embodiment of the present invention inner pot.

Figure 6 is a cross-sectional view of a third embodiment of the present invention ceramic inner pot.

Figure 7 is a cross-sectional view of a fourth embodiment of the present inventors inner pot.

8 is a sectional view of a fifth embodiment of the present inventors inner pot.

Figure 9 is a sectional view of a sixth embodiment of the present inventors inner pot.

<Code Description of Main Parts of Drawing>

20: inner pot 21: inner body

22: outer body 24: magnetic film

25: handle

The present invention relates to a ceramic inner pot. More particularly, the present invention relates to a ceramic inner pot configured to wrap an inner body made of porcelain with an outer body including brass to prevent breakage, improve thermal conductivity, and close the cover.

The existing electric rice cooker has a hot plate heater under the hot plate type rice cooker similar to an electric stove, and a hotly heated hot plate heats the lower portion of the inner pot.

Of the existing rice cookers, IH rice cookers cook rice by heating the entire inner pot in three dimensions like a wood fire.

In the IH cooker, when electromagnetic current flows through the coil built into the cooker body, magnetic lines are generated around the coil and magnetic lines pass through the pot. The magnetic wire passing through the pot induces a secondary current, and Joule heat is generated by the secondary current and the resistance of the pot, so that the pot is heated hot, and thus cooking of food is possible.

The conventional IH ceramic inner pot has been manufactured using a single stainless steel plate or a CLAD (stainless steel + aluminum) plate as a whole. In this case, since the production is mostly by the press method, there is an advantage that the production is very easy and the thermal conductivity is excellent, but there is a problem that the food smells when kept warm for a long time.

In addition, the inner pot made of porcelain is not uniform in size due to the phenomenon and shrinkage of the porcelain twisted by the high temperature and high temperature during the production of the porcelain, there is a problem that the inner pot lid coupled to the upper inner pot is not closely adhered.

Therefore, the present invention has been invented to solve this problem, it is not only beneficial to the human body, such as nature-friendly and far-infrared, but also maintains the intrinsic taste and aroma of the food during cooking and excellent in warmth when the food is not cooled well and stored for a long time Edo foods, especially rice, does not smell, and the purpose is to provide a porcelain inner pot that is not easily broken.

In addition, it is an object to provide an inner pot shape that is in close contact with the inner pot and inner pot cover provided not to be broken by complementing the characteristics of the porcelain well.

In order to achieve the object of the present invention, the present invention is configured to include a cover provided with a packing, an inner body made of porcelain located under the cover, and an outer body surrounding the inner body and including metal, wherein the inner The inner circumference of the upper surface of the body is provided with an inclined surface formed wider circumference upwards, the packing of the cover is in close contact with the upper surface, the outer body provides a ceramic inner pot, characterized in that the inner body to prevent damage and heat transfer to the inner body do.

The outer body may be a first cover part surrounding an upper end surface of the inner body, and a stepped part may be provided on the upper end surface.

In addition, a first protrusion may be provided at a lower end of the upper surface, and a second protrusion may be provided at a lower portion of the upper surface.

On the other hand, the present invention is configured to include a cover provided with a packing, an inner body made of porcelain and positioned below the cover, and an outer body surrounding the inner body and containing metal, wherein the outer body has an inner body. The upper circumference of the upper part covering the upper end of the circular packing is in close contact with the upper end, the outer body also provides a ceramic inner pot, characterized in that the heat transfer to the inner body to prevent damage to the inner body.

The outer body may include a metal on which an electromagnetic wave magnetic film is formed, and the outer body may be a second cover part which is located at an upper end of the inner body and is circular, and the metal includes aluminum or steel or gold or silver or brass. Any one may be included.

The outer body may be provided with a handle, the shape of the inner body can be reduced in the circumference downward, the coating layer can be formed so that food is not pressed to the inner body.

In addition, a predetermined portion of the outer body may include a plastic, the upper end portion may include a first inner extension portion extending to the inner side of the upper end of the inner body, the shape of the first inner extension portion upwards It may be a first inclined portion inclined wide.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First of all, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used as much as possible even if displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a cross-sectional view of a first embodiment of the ceramic inner pot according to the present invention, FIG. 2 is a partial cross-sectional view showing part A of FIG. 1, FIG. 3 is a partial cross-sectional view showing part B of FIG. 1, and FIG. 4 is A of FIG. 1. It is sectional drawing which shows the other form of a part.

As shown in FIG. 1, the present invention includes a cover 66 provided with a packing 64, an inner body 21 made of ceramics, and a metal surrounding the inner body 21 and positioned below the cover 66. It is configured to include an outer body 22 containing.

In addition, an inner circumference of the upper surface 27 of the inner body 21 is provided with an inclined surface formed so that the circumference is widened upward, and the packing 64 of the cover 66 is in close contact with the upper surface 27, and the outer body ( 22 is to prevent the breakage of the inner body 21 and transfer the heat transmitted from the outside to the inner body (21).

The outer body 22 covers up to the upper surface 27 of the inner body 21 as shown in FIG. 1A and up to the inclined surface of the upper surface 27 of the inner body 21 as shown in FIG. It can be divided into a case in which the extending end 43 is provided.

The metal includes any one of aluminum or steel or gold or silver or brass, which is well-heated, and the outer body 22 is provided with a handle 25, and includes a handle 25 of the outer body 22. The predetermined portion may be made of a non-metal such as plastic so as to prevent heat transfer.

If necessary, the outer body 22 may cover up to the inclined surface of the upper surface 27.

In addition, as shown in FIG. 2, a magnetic film 24 including a metal may be coated on the surface of the outer body 22 so that the pot is heated by a magnetic force line caused by an induced current. The metal on which the electromagnetic wave magnetic film 24 is formed may be included.

Preferably, the magnetic film 24 is coated to a height of about 1/5 to 1/3 of the height from the bottom with respect to the entire height of the inner pot 20.

The magnetic film 24 is made of a low cost general mild steel material made of carbon + silicon + manganese (Mn) + steel. Herein, the content ratio of carbon, silicon, and manganese to steel is 0.15 to 0.23%, about 0.35%, and 1 to 1.5%, respectively.

The coating of the magnetic layer 24 is performed by a spray coating method. A spray coating method is a type of arc-complete spraying, which uses electricity as a heat source and generates an arc using two metal wires as electrodes to form a reduced pressure formed by a spray compressed air. It is a method of forming a film by spraying the mist-like particulate metal melted into the layer to the base material along with the high speed airflow.

On the other hand, the shape of the upper surface 27 of the inner pot 20 is inclined form as shown in Fig. 3 (a), or the step portion 33 is provided as shown in Fig. 3 (b) the packing 64 is more easily in close contact Alternatively, as shown in FIG. 3 (c), the first protrusion 35 is provided below the inclined portion of the upper surface 27 so that water vapor rising along the inner wall of the inner body 21 at the time of cooking is centered in the inner pot 20. To be moved.

3 (d), the second protrusion 37 may be spaced apart from the inclined surface of the upper surface 27 to perform the same function as the first protrusion 35.

As shown in FIG. 1, the lower surface of the inner body 21 may be flat without bending, may have a curved shape downward as shown in FIG. 4 (a), or as shown in FIG. .

5 is a cross-sectional view of a second embodiment of the ceramic inner pot of the present invention, Figure 6 is a cross-sectional view of a third embodiment of the ceramic inner pot of the present invention.

As shown in FIG. 5, the present invention allows the outer body 22 to cover the entire inner and outer parts of the inner body 21.

In this case, the inner body 21 maintains the temperature for a long time due to the characteristics of the ceramic, and the outer body 22 protects the inner and outer parts of the inner body 21 from external shocks.

As shown in FIG. 6, the present invention ceramic inner pot 20 is provided in a shape where the circumference is reduced downward, and when the amount of the contents to be cooked is small, only the inner pot 20 of the present invention is replaced with the inner pot 20 of FIG. 6. Even if you cook the cooker to provide the best cooking condition is maintained.

7 is a cross-sectional view of a fourth embodiment of the inner pot of the present invention, Figure 8 is a cross-sectional view of a fifth embodiment of the inner pot of the present invention, Figure 9 is a cross-sectional view of a sixth embodiment of the inner pot of the present invention.

According to the fourth embodiment of the present invention, unlike in FIG. 1, the outer body 22 surrounds only the top surface 27 of the inner body 21, and the shape of the outer body 22 is defined in FIG. 7. 1 is indicated by the cover portion (77).

In addition, an inner circumference of the upper surface 27 of the inner body 21 is provided with an inclined surface formed to have a circumference upwardly so that the packing 64 of the cover 66 is in close contact with the upper surface 27, and the first cover The part 77 prevents damage to the inner body 21.

On the other hand, as shown in Figure 8 (a) of the fifth embodiment of the present invention is a cover 66 is provided with a packing 64, the inner body 21 made of porcelain and located in the lower portion of the cover 66, It is configured to include an outer body 22 surrounding the inner body 21 and containing a metal.

In addition, the outer body 22 has a circular upper periphery 42 surrounding the upper end of the inner body 21, and the packing 64 of the cover 66 is in close contact with the upper end 42, and the outer body 22. ) Prevents damage to the inner body 21 and transfers heat transmitted from the outside to the inner body 21.

If necessary, the upper end portion 42 may include a first inner extension portion 44 extending to the upper inner side of the inner body 21 as shown in FIG. As described above, the shape of the first inner extension portion 44 may be a first inclined portion 46 inclined upwardly.

In addition, the outer body 22 may include a metal on which the electromagnetic wave magnetic film 24 is formed.

Unlike in FIG. 8, the sixth embodiment of the present invention has a shape in which the outer body 22 is located only at the upper end of the inner body 21 and is circular and includes a metal. The outer body 22 has a shape of FIG. 9. In (a) of the second cover portion 52 is indicated.

In addition, the packing 64 of the cover 66 is in close contact with the second cover part 52, and the second cover part 52 prevents damage to the inner body 21.

Preferably, the second cover portion 52 may include a second inner extension portion 54 protruding inside the upper end of the inner body 21 as shown in (b) of FIG. As shown in c), the shape of the second inner extension portion 54 may be a second inclined portion 56 inclined upwardly in a circumference.

In addition, a coating layer 98 is formed on the inner body 21 so that food does not stick to the inner body 21. The coating layer 98 may also be applied to the first to fifth embodiments.

Referring to the operation of the present invention having the configuration as described above are as follows.

The inner body 21 of the inner pottery inner pot 20 of the present invention is made of porcelain and is natural-friendly and far-infrared rays are emitted in large quantities to provide a smooth metabolic action, as well as beneficial to the human body, the unique taste and aroma of food during cooking Maintaining it as it is, and cooking and heat retention excellent food does not cool well, even if stored for a long time provides a function such as not smelling from food, especially rice.

And the outer body 22 of the inner pot 20 is made of a metal can be quickly heat conduction, and protects the inner body 21 formed of porcelain from the external impact.

In addition, the inclined surface 27 is provided so that the cover 66 covering the upper portion of the inner body 21 is in close contact with the upper portion of the inner body 21, the reason is that the inner body 21 is porcelain Since the upper surface of the inner body 21 is slightly elliptical due to the warping phenomenon and the contraction during the baking process of the ceramic at a high temperature, and the inclined surface 27 is absent, the inner body 21 and the cover 66 are formed. Because there is a gap in the.

The above-described problem in which the gap between the inner body 21 and the cover 66 is opened is if the outer body 22 containing the metal wraps the inside of the upper body as well as the upper end of the inner body 21 containing ceramics. Maintaining a constant circular and size cover 66 is in close contact with the inner side of the inner pot 20 can solve this problem.

In addition, a stepped portion is formed on the inclined surface widened above the upper surface 27, the packing 64 provided in the lower portion of the lid of the inner pot 20 may be more closely contacted.

The inner pot 20 including ceramics may be used as an inner pot 20 of a hot plate type and a magnetic method.

On the other hand, due to the nature of the ceramics can not be maintained in the inner pot 20 containing porcelain is not in close contact with the lid of the inner pot 20 can be solved by making the lid formed in an ellipse and inclined downward toward the center.

The magnetic layer 24 serves to conduct heat more efficiently to the inner pot 20.

And the upper end of the inner body 21 made of porcelain as shown in Figure 8 can not form a circular cover 66 is not provided in close contact with the upper end 42 or the upper end 42 or 42 ) To the first inner extending portion 44 or the first inclined portion 46 serves to make the portion in contact with the cover 66 is circular.

In addition, the second cover part 52 and the second inner extension part 54 or the second inclined part 56 of FIG. 9 also serve to make the part where the cover 66 abuts to be circular.

The porcelain inner pot 20 described in Examples 1 to 6 may also be used as a hot plate type and a magnetic pot inner pot 20, and in particular, an electric rice cooker which produces a good rice taste when used as an inner rice cooker or a red ginseng soup bowl inner pot. Red ginseng soup can be made to maintain a constant temperature for a long time.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and changes without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical idea of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

As described above, according to the present invention, the internal body is composed of natural stone material, which is naturally friendly and beneficial to the human body such as far-infrared rays, and heat penetrates deeply inside the food to generate heat, so that the outside is heated almost uniformly. The taste of the food is improved, and due to the characteristics of ceramics, there is a side effect of not smelling even if kept warm for a long time.

And the cover is not in close contact with the nature of the porcelain by inclining the shape of the upper surface of the inner body, or by placing the upper end on the outer body containing a metal or by the second cover portion has the effect that the cover is in close contact.

Claims (15)

A cover 66 provided with a packing 64; An inner body 21 made of porcelain located under the cover 66; An outer body 22 surrounding the inner body 21 and including a metal; Consists of including An inner circumference of the upper surface 27 of the inner body 21 is provided with an inclined surface and a stepped portion 33 formed to have a wider circumference upward, and the packing 64 of the cover 66 is in close contact with the upper surface 27. , The outer body 22 is a ceramic inner pot, characterized in that to prevent the breakage of the inner body 21 and to transfer heat to the inner body (21). The method according to claim 1, The outer body 22 is a ceramic inner pot, characterized in that the first cover portion 77 surrounding the upper surface (27) of the inner body (21). delete The method according to claim 1 or 2, Pottery inner pot, characterized in that the first protrusion 35 is provided at the bottom of the upper surface (27). The method according to claim 1 or 2, Pottery inner pot characterized in that the second protrusion 37 is provided below the upper surface (27). delete The method according to claim 1, Pottery inner pot characterized in that the outer body 22 includes a metal on which the electromagnetic wave magnetic film 24 is formed. delete The method according to claim 1 or 2, Pottery inner pot, characterized in that the metal contains any one of aluminum, steel, gold, silver or brass. The method according to claim 1 or 2, Pottery inner pot, characterized in that the handle 25 is provided on the outer body (22). The method according to claim 1 or 2, Pottery inner pot characterized in that the shape of the inner body 21 is reduced in the circumference downward. The method according to claim 1 or 2, Pottery inner pot, characterized in that the coating layer 98 is formed so that food does not stick to the inner body (21). The method according to claim 1 or 2, Pottery inner pot, characterized in that the predetermined portion is composed of a non-metal on the outer body (22). delete delete

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