JPH119473A - Food warming device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily clean a heating part for heat retaining in a food warming device formed of a heat insulating vessel for putting a food and a housing for housing it with a heat insulating space being formed around it by providing a hot air generator for blowing a hot air having a prescribed temperature into the heat insulating space on the housing in such a manner as to be attachable and detachable. SOLUTION: A housing 1 in a food warming device suitable for warming sushi rice has a locking piece 11 for keeping the airtightness with a heat insulating vessel 2 on the inside of its opening part. The housing 1 has a pair of openings 12 in the lower part of a side wall 14 opposed to a hot air generator 3, so that the hot air of a prescribed temperature generated in the hot air generator 3 is supplied into the housing 1 through one opening 12, carried around the heat insulating vessel 2, and circulated to the hot air generator 3 through the opening 12 on the opposite side. The heat insulating vessel 2 is provided with a vessel part 21 for putting sushi rice and a lid 22 therefor, and when the vessel part 21 is put into the opening part of the housing 1, a flange 21A makes contact with the locking piece 11 to substantially seal a heat retaining space A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a food warming apparatus, and more particularly, to a food warming apparatus suitable for keeping sushi rice.

[0002]

2. Description of the Related Art As a sushi rice warming device for business use, there is, for example, a shari warming device disclosed in Japanese Patent Application Laid-Open No. 8-280549. First, the configuration thereof will be schematically described with reference to FIG. This shari heat insulator has a flat heater 1 inside.
The housing 101 includes a housing 101 having a cover 03 and a heat retaining container 102 including a container 102A having a lid 102B.

[0003] A housing 101 is an outer box having an open top, and a heat insulating container 102 is housed in the opening.
The container portion 102A of the heat retaining container 102 is a container having a double wall structure having an insulating space therein, and a lid 102B for keeping heat is placed in the container portion 102A. Flat heater 1
Reference numeral 03 denotes an electric heater, which is installed on the bottom of the housing 101 so as to heat the heat retaining container 102 from below.

When the heat retaining container 102 containing sushi rice is placed in the housing 101, the flat heater 103 is energized. As a result, the flat heater 103 generates heat, and the sushi rice in the container 102A is maintained at a constant temperature.

[0005]

However, the conventional heat retaining device has the following problems. When the heat retaining container 102 is not placed on the housing 101, the upper part of the housing 101 is open. At this time, an object such as rice grains may enter the housing 101 from the open portion, and the inside of the housing 101 may become dirty.

Further, the heat insulating container 102 is
When placed inside the housing 101, an object attached to the outside of the heat retaining container 102 may fall into the housing 101, and the inside of the housing 101 may become dirty.

When the inside of the housing 101 is contaminated in this way, the user must clean the inside of the housing 101 in order to keep the heat retaining device clean.
01, a flat heater 103 is attached, and a power supply cord (not shown) for the flat heater 103 is also wired.
01 cannot be easily cleaned.

The present invention has been made in order to solve such a problem, and an object of the present invention is to provide a food in which a heating portion for keeping heat can be detached so that the inside can be easily cleaned. It is to provide a heat retention device.

[0009]

In order to achieve the above-mentioned object, the present invention comprises a heat-insulating container for containing food and a housing for accommodating the heat-insulating container so as to form a heat insulating space around the heat-insulating container. In the food heat insulating device, the housing is provided with a hot air generator for blowing hot air of a predetermined temperature into the heat insulating space in a detachable manner.

[0010] According to this configuration, warm air of a predetermined temperature is supplied into the housing from the warm air generator, and the food in the heat insulation container is maintained at a constant temperature by the warm air. When the inside of the housing becomes dirty and cleaning becomes necessary, the hot air generator is removed from the housing. Accordingly, since the housing has no components such as an electric heater or wiring, the inside of the housing can be easily cleaned including washing with water.

In this case, a pair of openings for allowing air to flow into and out of the warming space are provided on the hot air generator mounting surface of the housing, and the hot air generator side is provided with air through one of the openings. And a heater provided in a flow path of the air formed by the blower and for heating the air in the air flow path to a predetermined temperature. Is preferred.

With the heater and the blower, the hot air generator forms a flow path of air flowing in one direction with respect to the housing. Therefore, the housing only needs to be provided with an opening for taking in air from the heat retaining space and an opening for sending air at a predetermined temperature to the heat retaining space, and a large machining operation on the housing is not required.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, preferred embodiments of the present invention will be described with reference to the drawings for better understanding of the technical concept of the present invention. 1 to 5 show a first embodiment, and FIGS. 6 and 7 show a second embodiment.

FIG. 1 is a front view of the entire first embodiment. In this embodiment, a housing 1, a heat retaining container 2, a hot air generator 3 and a hot air generator 3
A fixing bracket 4 is provided to make it detachable with respect to.

FIG. 2 is a sectional view of a part of the housing 1 and the heat insulating container 2 of FIG. 1. As shown in FIG. 2, the housing 1 is made of a rectangular parallelepiped outer box having an open upper surface. On the inner periphery of the opening, a retaining piece 11 for keeping the heat insulating container 2 at a predetermined height inside the housing 1 and keeping the space between the heat insulating container 2 and the heat insulating container 2 airtight is provided over the entire periphery. Is provided.

FIG. 3 is a right side view of the housing 1 with the hot air generator 3 removed from FIG. 1. As shown in FIG. 3, a side wall of the housing 1 facing the hot air generator 3 is shown. A pair of openings 12 and 13 are formed in a lower part of the pair 14 so as to be arranged side by side at a predetermined interval. In this embodiment, the openings 12, 13 are rectangular holes.

The heat retaining container 2 includes a container portion 21 and a lid 22 thereof.
And The container section 21 is for storing sushi rice, and has a double wall structure having a heat insulating space inside for keeping heat. A flange 21 </ b> A serving also as a handle is provided over the entire outer periphery of the opening of the container portion 21.

That is, when the container 21 is inserted into the opening of the housing 1, the flange 21 A comes into contact with the locking piece 11 of the housing 1. As a result, the container portion 21 is suspended in the housing 1 to form a space A for heat insulation between the container portion 21 and the housing 1, and the space 21 for heat insulation is formed by the flange 21A and the locking piece 11. The space A is substantially closed.

As shown in FIG. 4 (a cross section taken along line AA in FIG. 1), the hot air generator 3 has a rectangular parallelepiped shape whose width is substantially the same as the side wall 14 of the housing 1. And
Opposite to the openings 12, 13 of the housing 1, similarly square openings 31, 32 are provided.

The hot air generator 3 includes a controller 3
3. A blower fan 34 and a heater 35 are provided. When power is supplied from the controller 33, the blower fan 34 takes in air from the opening 32 and sends the air to the opening 31 via the heater 35. That is, the blower fan 34 forms an air flow path as indicated by a broken line in the hot air generator 3.

The heater 35 is disposed in the air flow path of the blower fan 34, and generates heat when supplied with electric power from the controller 33. Thereby, the heater 35
Heats the air sent by the blower fan 34,
Hot air of a predetermined temperature is generated under the control of the controller 33.
The controller 33 is connected to, for example, a commercial power supply via a power cord 33A, and has a power switch externally (not shown).

The hot air generator 3 is detachably attached to a side wall 14 of the housing 1 by a fixing fitting 4.
In this embodiment, the fixing bracket 4 is a so-called snap lock comprising a claw portion 41 and a hook portion 42, and the L-shaped claw portion 41 is on both sides of the side wall 14 of the housing 1, that is, , Are attached to the lower portions of the side walls 15, 16, respectively, whereas the hanging portions 42 are respectively attached to the side walls 31, 32 of the hot air generator 3.

The above is the configuration of the first embodiment, and this heat retaining device is used as follows. First, the user puts sushi rice in the container portion 21, covers the container portion 21 with the lid 22, and sets the heat retaining container 2 in the opening of the housing 1.

Then, a power switch (not shown) of the hot air generator 3 is turned on. As a result, electric power is supplied from the controller 33 to the blower fan 34 and the heater 35, and the heater 35 heats the air sucked from the opening 13 of the housing 1 by the blower fan 34.

As a result, hot air at a predetermined temperature is supplied into the housing 1 from the opening 12 as shown by a broken line in FIG. This warm air flows around the thermal insulation container 2 from the opening 12 and flows again into the warm air generator 3 from the opening 13 on the opposite side. By the circulation of the hot air having the predetermined temperature, the sushi rice in the heat retaining container 2 is maintained at the predetermined temperature.

When the inside of the housing 1 is contaminated by sushi rice or the like and is to be cleaned, the two fixing fittings 4 are unlocked to remove the warm air generator 3 from the housing 1. In this state, the housing 1 is merely an outer box in which nothing is attached, so that the inside of the housing 1 can be easily cleaned. In particular, since there are no electric parts or wiring, the inside of the housing 1 can be washed with water.

Next, a second embodiment shown in FIGS. 6 and 7 will be described. In the second embodiment, the present invention is applied to a sushi manufacturing apparatus for making so-called shari balls.
And a heat retaining device 7.

In this case, the sushi making machine 6 itself is equipped with a heat insulating device 7.
The sushi rice supplied from Japan may be a known one that is used for shari balls. That is, the sushi making device 6 includes a control unit 61 and a shari ball forming unit 62, and the shari ball forming unit 62 discharges the sushi rice 201 supplied from the heat retaining container 72 to the lower part as shari balls 202 of a certain size. I do.

In the second embodiment, the housing 71 of the heat retaining device 7 is provided on the sushi making machine 6, and the hot air generator 73 is fixed to the housing 71 by the fixture 74.
It is made detachable via.

The respective structures of the housing 71, the hot air generator 73, and the fixture 74 are the same as those in the first embodiment, and therefore will not be described. However, the sushi rice supply port is provided at the bottom of the heat retaining container 72. 72A are provided. Although not shown, a shutter is provided at the supply port 72A, and sushi rice in the heat retaining container 72 is appropriately sent to the sushi making machine 6 by opening and closing the shutter.

Also in the second embodiment, hot air at a predetermined temperature is supplied from the hot air generator 73 into the housing 71, and the sushi rice in the heat insulating container 72 is kept warm. Also, the hot air generator 7
3 is detachable from the housing 71, the first
As in the embodiment, the inside of the housing 71 can be easily cleaned.

[0032]

As described above, according to the present invention,
The hot air generator can be attached to and detached from the housing that houses the thermal insulation container, so when the housing needs to be cleaned, the housing can be easily cleaned by removing the hot air generator from the housing. Can be. In particular, since there are no parts such as electric heaters or wiring inside the housing,
Washing is also possible.

In order to make the hot air generator attachable to and detachable from the housing, only two openings need to be provided on the housing side, so that a large amount of work for the housing can be omitted.

[Brief description of the drawings]

FIG. 1 is a front view showing an entire first embodiment of the present invention.

FIG. 2 is a front view showing a cross section of a part of the housing and the heat retaining container of FIG. 1;

FIG. 3 is a right side view of the housing with the hot air generator removed from FIG. 1;

FIG. 4 is a sectional view taken along line AA of FIG. 1;

FIG. 5 is a transverse sectional view of FIG. 1 showing a state of circulation of warm air in the first embodiment.

FIG. 6 is a schematic front view showing a second embodiment of the present invention in a partial cross section.

FIG. 7 is a plan view of FIG. 6;

FIG. 8 is a sectional view showing a conventional heat retaining device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Housing 11 Locking part 12, 13 Opening 14, 15, 16 Side wall 2 Insulated container 21 Container part 22 Lid 3 Hot air generator 31, 32 Opening 33 Controller 34 Blower fan 35 Heater 4 Fixture 41 Claw part 42 Hook part

Claims (2)

[Claims] 1. A food warming apparatus comprising: a heat-insulating container for storing food; and a housing for accommodating the heat-insulating container so as to form a heat insulating space around the container. A hot air generator for blowing hot air at a predetermined temperature to the food heater. 2. A hot air generator mounting surface of the housing is provided with a pair of openings for outflow and inflow of air into and out of the warming space. A blower that takes in air from one opening and sends air to the other opening, and a heater that is provided in an air flow path formed by the blower and heats air in the air flow path to a predetermined temperature. The food warming device according to claim 1, wherein: