JPH0747062Y2 - Insulated cooking container - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adiabatic cooking container which can be suitably used in a cooking method or the like in which a semi-cooked food is kept warm by heating to be a cooked finished product.

[0002]

2. Description of the Related Art Generally, cooking and processing of food is performed by using electric heat or open flame. However, in such a cooking method, there is a problem that boiling over due to overheating or burning is likely to occur, and a large amount of energy is consumed.

As a cooking method capable of eliminating this inconvenience, recently, predetermined raw vegetables and grains are soaked in an appropriate amount of boiling water or seasoned boiling broth, or semi-cooked food in a heated state is kept warm for a long time. Therefore, a cooking method for preparing a cooked product is recommended.

As a cooking utensil suitable for this type of cooking, the heat-insulating cooking container shown in FIGS. 9 and 10 has been conventionally provided.

This heat-insulating cooking container includes an outer container 1, an inner container 2 to which an inner container lid 2a is attached, and a heat-insulating outer container lid 3.
It consists of and. The outer container 1 is an outer bottle 4 and an inner bottle 5.
With a double structure consisting of and, between the inner and outer bottles 4, 5,
A heat insulating portion 6 filled with vacuum or a heat insulating material is formed.

Outer container handles 7 projecting outward are attached to the outer sides of the opposing portions of the opening of the outer container 1, and the outer bottom portion is supported for stably placing the outer container 1. The body 8 is attached by screws 8a.

Further, the inner container 2 is provided with a handle portion 11 of the inner container 2 which is composed of a handle handle 9 and a handle 10 attached to the tip. The base end of the handle handle 9 of the handle portion 11 is fixed to the outer peripheral surface of the inner container 2, extends upward, bends outward, and abuts on the edge 12 of the opening portion of the outer container 1, The handle 10 of the container 1 extends above the handle 7, and the handle 10 has substantially the same height as the upper surface of the outer container lid 3 and the outer container lid 3
Is close to.

The inner container 2 has the handle 9 provided on the container 2 suspended from the rim 12 of the outer container opening.
It is supported in the outer container 1.

Since the above-mentioned heat-insulating cooking container has the above-mentioned structure, when food is put in the inner container 2 and heated, and this is put in the outer container 1 and the lid member 3 is closed, the inner container 2 is heated to a high temperature. It is retained and the cooking is completed without boiling or overheating.

[0010]

However, in the above-mentioned heat-insulated cooking container, the handle 10 of the handle portion 11 of the inner container is exposed from above and is separated from the outer container lid 3, and the outer container is also separated. Since there is a clearance between the handle 7 and the handle 10 of the inner container 2, it is easy to lift the handle 10 of the inner container 2 by mistake when moving the heat-insulating cooking container. As a result, the outer container may fall off, or the inner container 2 may be dropped by the momentum to cause an accident such as a burn. The inner container 2 is supported in the outer container 2 by the handle 9 of the handle portion 11 abutting against the edge 12 of the outer container opening.
In the case of a large capacity, the edge 12 of the opening is heavy and easily damaged. Furthermore, there are steps and gaps between the handle 10 of the inner container and the surface of the lid member, which impairs the external appearance and causes air to flow in the portion where the handle handle is exposed to the outside, which lowers the moisture retention performance. It was

The present invention has been made in view of the above circumstances, has a good appearance, does not erroneously try to lift the whole by holding the handle portion of the inner container, and has a large capacity. An object of the present invention is to provide a heat-insulating cooking container in which the inner container is stably accommodated in the outer container, damage is not generated, and heat retention is excellent.

[0012]

In adiabatic cooking container of the present invention According to an aspect of the outer surface of the outer container, the relative position diametrically across the center, will be arranged outside the vessel handle projecting outwardly , The lid of the outer container protrudes outwardly in accordance with the position of the outer container handle arranged on the outer container on the outer periphery of the lid.
The bottom surface of the inner container is fixed to the outer surface of the inner container for carrying the inner container in order to carry the inner container. And a handle portion formed of a handle arranged at the tip of the handle handle, and the inner container receives a part of the outer surface of the inner container while the inner container is accommodated in the outer container. , And the handle of the inner container to which the base end is fixed extends upward and bends outward slightly above the height of the outer container opening, and the edge of the opening of the outer container An outer container accommodating an inner container is characterized in that it extends outside the outer container with a gap, and its tip handle is arranged so as to be covered with these between the protruding cover portion of the outer container lid and the outer container handle. When carrying it, it can be carried as a unit in a stable state, and it can be Is obtained by a stable accommodate it without damaging the opening edge of the outer container by volume,

Further , the lower surface of the protruding cover portion which is disposed diametrically opposite to the outer peripheral portion of the outer container lid and protrudes outward .
The box-shaped recess is characterized in that a blocking plate is arranged along the peripheral portion of the opening of the outer container. As a result of the above, the inner container handle and the outer container opening edge are arranged with a gap. The heat loss that occurs can be reduced and the heat retention is enhanced.

[0014]

Since the heat-insulating cooking container of the present invention has the above-mentioned structure, the inner container is supported by abutting a part of its outer surface and the inner surface of the outer container, and the handle of the inner container is the outer container. The lid is housed in a concave space on the lower surface of the protrusion, and the concave space and the inside of the outer container are blocked by a blocking plate.

[0015]

1 to 7 show one embodiment of an insulating cooking container 21 according to the present invention.
As shown in FIGS. 1 to 3, the heat-insulating outer container 22, the inner container 23 having an inner container lid 23a that can be stored in and taken out from the inside, and the inner container 23 to which the inner container lid 23a is attached are It is composed of a heat-insulating outer container lid 24 capable of opening and closing the opening of the outer container 22 while being housed in the outer container 22. (See Figures 2 and 3)

The outer container 22 is a stainless steel outer bottle 22.
It has a double structure composed of a and the inner bottle 22b, and a heat insulating portion 25 held in a vacuum is provided between them. A shoulder member 26 is fixed to the outside of the outer container 22a in the vicinity of the opening of the outer container 22 by surrounding and bending the outer container 22a. The part 26a is integrally formed, and a hinge part 26b is provided at a position opposed to the handle part 26a by 90 °. Further, a bottom member 27 for stably placing the outer container 22 is attached to the bottom of the outer container 22 with screws 27a. (See Figures 2 and 3)

The outer container lid 24 is filled with a heat insulating body 24a such as styrene foam, has a heat insulating property, and has a fourth structure.
Explaining from the figure in which the outer container lid 24 is opened from the outer container 22 in the figure, the diametrically opposed positions are outwardly projected so as to be flush with the surface of the outer container lid 24,
A cover portion 24b having a lower surface formed in a box shape and covering an outer container handle portion 26a arranged on a shoulder member 26 provided on the outer wall of the outer bottle 22a near the opening of the outer container 22 and a portion 90 ° from these cover portions 24b. A hinge portion 24c that is provided at a position and that engages with a hinge portion 26b formed on the shoulder member 26 is provided. Further, at a position diametrically opposed to the hinge portion 24c, a handle portion 24d for opening and closing the outer container lid 24 around the hinge portion 24c is provided.

A box-shaped concave space 24e is formed on the lower surface of the protruding cover portion 24b, and a single or a plurality of blocking plates 24 are provided at a position substantially along the outer circumference of the outer container lid 24.
f is provided to define the concave space 24e. The cut-off plate 24f has a notch 24 through which a handle handle 31 described later is inserted.
g is provided.

As shown in FIG. 5, the inner container 23 is made of stainless clad steel, and handle cover fittings 28 are attached by welding to the upper diametrically opposed positions. The handle cover mounting bracket 28 includes an inner container 23.
A handle unit 29 for carrying is attached via a handle cover 30.

As shown in FIG. 6, the handle cover 30 has a U-shaped vertical section, and notches 30a are provided on the upper and lower surfaces thereof at intervals so that the upper and lower surfaces are substantially horizontal and the handle cover is attached. It is screwed to the metal fitting 28. Further, the handle unit 29 is formed by bending a rod having a circular cross-sectional shape, the base end of which is welded to the inner surface of the handle cover 30.
Handle pattern 31 derived from the notch 30a, and handle pattern 31
And a handle 32 made of a thermosetting resin integrally formed at the tip of the handle cover 30.
It is fixed to the inner container 23 by being screwed on. (See Figure 5)

In the vicinity of the opening of the inner container 23, the outer diameter of the outer cover 22 is made small so that the outer surface of the handle cover 30 is substantially the same as the lower outer surface of the inner container 23.
When the inner container 23 is accommodated in the inner container 23, the outer periphery of the inner container 23 and the outer surface of the handle cover 30 do not contact the inner peripheral surface of the outer container, and the outer bottom portion 23b of the inner container 23 is placed on the inner bottom portion 22c of the outer container. It is supposed to be done. (See Figures 2 and 4)

When the inner container 23 is housed in the outer container 22 as shown in FIG. 7, the handle handle 31 of the handle unit 29 protrudes from the opening of the outer container 22 to the outside and the handle 3
The outer circumference of No. 2 is located inside the outer circumference of the cover 24b of the outer container lid 24.

The handle handle 31 is bent, the horizontal portion 31a in excess of the edge 22 d of the opening of the outer container 22, without contact with the edge 22 d, located above the spaced gaps. In addition, when the outer container 22 is closed by the outer container lid 24 ,
The handle 32 of the container 23 has the hinge portions 24c and 90 of the outer container lid.
The lower portion provided at the position in the ° direction is accommodated in a closed space 33 formed by a concave portion 24e of both side cover portions 24b formed in a box shape and the outer container handle portion 26a of the shoulder member 26.

At this time, the handle 31 of the inner container 23
After changing the direction to the outside, while passing through the notch 24g of the blocking plate 24f provided in the recess 24e of the projecting cover portion 24b of the outer container lid 24, this can be done without contacting the edge 22d of the outer container opening. A part of the handle 31 and the handle 32 are accommodated in the concave space 24e of the protruding cover portion 24b. Then, the handle 31 is provided with the outer container 22 by the recess 24e and the blocking plate 24f provided in the recess 24e.
Even if it is arranged with a gap from the edge 22d of the opening, heat transfer with the outside air can be blocked and heat retention can be kept extremely good.

In order to cook using the adiabatic cooking container 21, the object to be cooked is heated by the inner container 23, then the inner container 23 is placed in the outer container 22, and the outer container 2 is opened by the outer container lid 24.
Seal 2 Adiabatic cooking is completed by keeping this in a heat-retaining state for a certain time depending on the type of cooking.

FIG. 8 shows another embodiment of the present invention, in which the lower diameter of the inner circumference of the inner container 22b of the outer container 22 is made smaller to form the step 41 and the step 42 is formed on the outer circumference of the inner container 23. Is provided, and the step 42 of the inner container 23 is brought into contact with the step 41 of the outer container 22, thereby supporting the inner container 23 in the outer container 22.

In the above description, the outer container is made of stainless steel and its heat insulation is vacuum heat insulation. However, the heat insulation is not limited to this, and carbon steel may be used as the material or a foam such as urethane or styrene may be used as the heat insulation. You may use. The inner container is made of stainless clad steel, stainless steel, iron,
Steel, aluminum alloy, etc. can be used.

[0028]

As described above, the heat-insulating cooking container of the present invention has the inner container accommodated in the outer container while the inner container is accommodated in the outer container.
The handle is covered with the protruding cover part of the lid of the outer container, and it is viewed from above.
At that time, the handle of the inner container is hidden by the protruding cover and cannot be seen.
When moving the insulated cooking container, the handle of the inner container may be
To have no. Therefore, hold the handle of the inner container
The outer container may fall off or
Accidents such as burns caused by dropping the inner container
Can be prevented. In addition, a box-shaped lower surface recess is formed on the outer container lid.
Providing a protruding cover part that has a handle for the inner container
While covering the whole, a blocking plate is placed in this recess.
Since it is arranged, heat loss from the gap of the handle unit of the inner container
Can be reduced and the heat retention can be improved. further,
Since the inner surface of the outer container and a part of the outer surface of the inner container are brought into contact with each other to receive the weight of the inner container, the edge of the opening of the outer container does not come into contact with the handle of the inner container handle unit. ) The edge of the outer container opening and the handle are scratched,
Stable inner container inside outer container without deformation
It can be accommodated in and does not lose its appearance. (B) Since the necessary strength of the handle handle can be reduced, the cross-sectional area of the handle handle is reduced, the heat dissipation from the handle handle is reduced, and the heat retention performance is improved. (C) Since the required strength of the handle handle can be reduced, the cross-sectional area of the handle handle can be reduced, and the material cost can be reduced. (D) Even if the handle is twisted, the inner container does not rattle when the inner container is housed in the outer container. (E) Since the required strength of the edge of the opening of the outer container is low,
The degree of freedom in design increases. And so on.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of an insulating cooking container according to the present invention.

FIG. 2 is a sectional view taken along the line II-II of FIG.

FIG. 3 is a sectional view taken along the line III-III of FIG.

FIG. 4 is a plan view showing a state in which an outer container lid is opened.

FIG. 5 is a side view of the inner container.

FIG. 6 is a perspective view of a handle unit attached to a handle cover.

FIG. 7 is an enlarged cross-sectional view of the vicinity of the handle unit shown in FIG.

FIG. 8 is a view showing another embodiment of the present invention.

FIG. 9 is a plan view showing an example of a conventional heat insulating cooking container.

FIG. 10 is a cross sectional view taken along the line X-X in FIG.

[Explanation of symbols]

 21 Insulating Cooking Container 22 Insulating Outer Container (Outer Container) 22c Inner Bottom 22d Opening Edge 23 Inner Container 23a Inner Container Lid 23b Outer Bottom 24 Insulating Outer Container Lid 24a Insulator 24b Cover 26 Shoulder member 26a Outer container handle 31 Handle handle 31a Horizontal part 32 Handle 41 Outer container step 42 Inner container step

Front page continuation (72) Ikuo Miura Ikuo Miura 1-16-7 Nishishimbashi, Minato-ku, Tokyo Nihon Oxygen Co., Ltd. (56) References: Kaihei 3-13922 (JP, U)

Claims (2)

[Scope of utility model registration request] 1. An outer container having a heat insulating property, and an inner container having an inner container lid which is removably accommodated in the outer container,
A heat-insulated cooking container comprising a lid and a heat-insulating outer container that closes the opening of the outer container in a state where the inner container with the lid is housed, wherein the outer surface of the outer container is diametrically across the center. the relative position, the result by arranging the outer container handle projecting outwardly, the lid of the outer container, each outer in accordance with the position of the outer container a handle arranged on the outer container to the outer peripheral portion of the lid projects, under
The surface has a projecting cover formed by forming a box-shaped recess , and the inner container to be housed in the outer container has a base end fixed to the outer surface of the inner container for carrying the inner container. In addition to a handle portion and a handle portion provided at the tip of the handle handle, the inner container is housed in an outer container,
The inner surface of the outer container receives a part of the outer surface of the inner container to hold the inner container, and the handle of the inner container, to which the base end is fixed, extends upward and is slightly above the height of the outer container opening to the outside. It is bent toward the outer container and extends outside the outer container while keeping a gap with the edge of the opening of the outer container, and its tip handle is arranged between the protruding cover part of the outer container lid and the outer container handle so as to be covered with them. A heat-insulating cooking container characterized by being formed. 2. A box on the lower surface of a projecting cover part that is disposed diametrically opposite to the outer peripheral part of the outer container lid and projects outwardly .
The heat-insulating cooking container according to claim 1, wherein a blocking plate is arranged along the peripheral portion of the outer container in the concave portion .