JP2598025Y2 - Thermal insulation case - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat insulation case. That is, the present invention relates to a heat retaining case used in a dining room, a restaurant, other dining facilities, and the like, and for storing a heat retaining target such as food.

[0002]

2. Description of the Related Art FIG. 5 is a schematic perspective view of a conventional example of this kind. FIG. 1A shows one example, and FIG. 2B shows another example.
As shown in these drawings, the conventional heat retaining case of this type has a fixed box shape, has an opening 1 formed on the upper surface or the front surface, and stores therein a heat retaining target such as food. A storage space 2 is formed. Steam, gas, hot water, or the like is often used as a temperature source for sending hot air or the like to the storage space 2, and these are connected to the outside by a pipe 3. In the figure, reference numeral 4 denotes a shelf of the storage space 2, and reference numeral 5 denotes a door.

[0003]

However, the following problems have been pointed out in such a conventional example. First, for example, in the case of the conventional heat insulating case shown in FIG. 5, for example, steam, gas, hot water or the like is often used as a temperature source for the hot air or the like. 3
It was pointed out that the installation was troublesome, installation work was troublesome, a large installation space was required, and it was easy to be narrow, and furthermore, temperature control during use was not easy. Secondly, since the heat insulating case of this type in the related art is of a fixed type, there is also a problem that once installed, it is extremely difficult to move and transport afterward. Third, in the conventional heat retaining case of this type, it is easy to store and take out a heat retaining target such as food from the upper part of the storage space 2 formed therein. On the other hand, it has been pointed out that it is not easy to store and take out an object to be kept warm such as food. In particular, when storing and taking out the lower part of the storage space 2, there is a problem that it is necessary to drop down and squat down, which requires extra labor.

The present invention has been made in view of such circumstances, and has been made to solve the above-mentioned problems of the prior art. The present invention has a built-in temperature source, a caster, and a storage space in the main body. By moving the floor surface up and down by operating means, a lifting device, etc., first, it is possible to easily and easily keep warm, second, it is easy to move and transport, and third,
An object of the present invention is to propose a heat retaining case that can easily store and remove the lower part of a storage space.

[0005]

The technical means of the present invention for achieving this object is as follows. That is, the heat insulation case has a box-like shape and a body portion provided with an opening at least on an upper surface and having heat insulation property, an upper lid provided with heat insulation property capable of opening and closing the opening, and a caster attached below the body portion. And a storage space formed in the main body portion for storing an object to be kept warm such as food, and a floor surface capable of moving up and down the storage space,
A lifting device for moving the floor up and down by a jack via a link mechanism, operating means attached below the main body to drive the jack of the lifting device, and a hot air or cold air housed in the main body for storing A temperature source for sending to the space.

[0006]

The present invention is constituted by such means, and operates as follows. In this heat retaining case, by opening and closing the upper lid of the opening on the upper surface, a heat retaining object such as food is stored in and taken out of the storage space in the main body. Then, warm air or cold air is sent from the built-in temperature source to the storage space, and the stored heat-retaining object is kept warm, and can be freely moved, moved, and moved by the attached casters.
Transported. Further, the floor surface of the storage space is moved up and down by operating means and an elevating device as required, and the height thereof is freely variable.

[0007] First, the heat insulation case has a built-in temperature source, so that the heat insulation can be performed easily and easily. Second, running, moving, and transporting on casters are easy.
Third, by raising the floor of the storage space, it is easy to store and take out the object to be heated with respect to the lower part of the storage space.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the embodiments shown in the drawings. 1, 2, 3 and 4 show an embodiment of the present invention, and FIG. 1 is a front view showing a state in which a front lid is opened and a state in which the front lid is closed. FIG.
FIG. 1A is a side view, and FIG. 2B is a side view of a jack, a pedal and the like. FIG. 3 (1) is a side view of the heater and the like, FIG. 3 (2) is a plan view of a link, a joint, a vertical rail, etc., FIG. 3 (3) is a plan view of a link, a pin, etc., and FIG. It is a front view of a link, a pin, a horizontal rail, etc. FIG. 4 (1) is a perspective view, and FIG. 4 (2) is a perspective view of a pack of food and the like, a case and the like.

This heat insulation case is used in a dining room, a restaurant, other meal facilities, and the like. First, a main body 7 having a box shape and having an opening 6 formed at least on the upper surface and having heat insulating properties, an upper lid 8 having heat insulating properties capable of opening and closing the openings 6, and a lower part provided below the main body 7. Caster 9,
An object to be kept warm such as food formed in the main body 7 (not shown)
And a floor 11 on which the storage space 10 can move up and down.

First, these will be described in detail with reference to FIGS.
As shown in FIG. 2 (1), FIG.
An inner surface is formed in a box shape covered with a heat insulating material for keeping heat, an opening 6 and an opening 12 are respectively formed on an upper surface and a front surface, and an upper lid 8 is attached to the opening 6 so as to be openable and closable upward.
The front lid 13 is attached to the front lid so as to be openable and closable, and the inner surface of the upper lid 8 serving as a door / lid and the inner surface of the front lid 13 are covered with a heat insulating material for keeping heat. In addition, casters 9 are attached below four corners of the floor surface 14 of the main body 7.
Then, in a storage space 10 formed in the main body 7, a pack 15 in which heat-retaining objects such as food are stored, for example, a pack 15 in which curry, stew and the like are stored, is placed on the floor surface 11. A large number of cases 16 are arranged in front and rear, right and left, and are stacked in multiple stages. The floor 11 of the storage space 10 can be moved up and down under such a state.

[0011] That is, this heat insulation case is a jack 1
7, the storage space 10 is provided via a link mechanism 18.
A lifting device 19 for raising and lowering the floor 11 of the vehicle, operating means 20 provided below the main body 7 and capable of driving the jack 17;
A temperature source 21 that is built in the main body 7 and sends hot or cold air to the storage space 10.

More specifically, as shown in FIG. 1, FIG. 2 (2), FIG. 4 (1), etc., the operating means 20 moves forward from below the floor surface 14 of the main body 7. And a parallel link 23 interposed between the pedal 22 and the jack 17 operating portion of the lifting / lowering device 19, and one of the parallel links 23 and the main body 7.
And a spring 24 interposed therebetween. And
When the pedal 22 is pressed down with the foot against the tension of the spring 24, the jack 17 is driven smoothly and stepwise through the parallel link 23 so that the floor surface 11 of the storage space 10 rises stepwise. It has become. In this way, the jack 17 is driven by the operating means 20,
When the foot is removed from the pedal 22, the pedal 22 is raised, returned, and held at the original height level by the tensile force of the spring 24. The floor 11 is lowered by a release mechanism (not shown) provided separately.
Although the hydraulic pressure or oil pressure of 7 is removed to drive the jack 17, it is also conceivable to arrange the pedals 22 side by side and drive the jack 17 forward and backward using one for raising and the other for lowering.

The jack 17 of the lifting device 19 is, for example,
As described above, a foot-operated hydraulic or hydraulic jack cylinder is provided vertically below the main body 7 below the floor 11. As described above, hydraulic pressure is supplied each time the pedal 22 is depressed, and the rod 25 is stepwise driven forward, that is, raised, at every predetermined stroke, whereby the rising stroke is expanded via the link mechanism 18, The floor 11 is raised, and the rod 25 is driven backward by the release mechanism in accordance with the above, so that the floor 11 is lowered via the link mechanism 18.

Then, as described above, the jack 17 and the floor 1
The link mechanism 18 interposed between them is as follows. That is, the link mechanism 18 is provided on each of the right and left sides of the main body 7, and is fixed to the rod 25 of the jack 17 and extends right and left as shown in FIG. The center is pivotally connected to a left and right horizontal pin-like joint 27 fixedly connected to the end of the arm 26 and the other joint 28 which is above and below this joint 27 as shown in FIG. And a total of four links 3 crossed in an X-shape in upper and lower two stages, with three ends being pivotally connected by three pins 29 each.
0.

FIGS. 1 and 2 (1) and FIG. 4 (1)
As shown in the figures, etc., on both sides of the main body 7,
A vertical rail 31 is fixed vertically at the center of the inner surface.
As shown in FIG. 3 (2) and the like, they are guided up and down via the rollers 32. 1 and 2
As shown in FIG. 1 (1) and FIG. 3 (4), etc., a horizontal rail 33 is fixed laterally below the inner surface on the side surface of the main body portion 7 and below the floor surface 11 above this. Also, a horizontal rail 34 is fixed laterally, and the pin 29 of the link 30 is guided left and right by the two parallel horizontal rails 33 and 34 via the roller 32. That is,
The upper two of the pins 29 of the link 30 are guided by the horizontal rail 34 below the floor surface 11 via the rollers 32, and the lower two of the pins 29 of the link 30 are connected to the horizontal rail of the main body 7. The guide 33 is guided by a roller 32. In FIGS. 3 (2), 3 (3), 4 (4), etc., reference numeral 35 denotes a bearing. The bearing 35 is interposed between each link 30 and the joint 27 or the pin 29. Thus, it functions to smooth the pivotal displacement between them. A roller (not shown) similar to that described above is also attached to the side of the floor surface 11 and is guided by the vertical rail 31, so that the floor surface 11 is displaced in the front-rear direction. Has been prevented. In FIG. 3D, reference numeral 36 denotes a snap ring, and reference numeral 37 denotes a collar.

The link mechanism 18 operates as follows, for example, when ascending. That is, when the rod 25 of the jack 17 is driven forward, that is, raised, the joint 27 and the joint 28 are raised via the arm 26 while being guided by the vertical rail 31 as shown in FIG. At the same time, the link 30 takes a horizontal posture to a vertical posture around the joints 27 and 28 and extends upward as a whole, thereby lifting the horizontal rail 34 of the floor surface 11 via the pins 29 and the rollers 32, thereby raising the floor. The surface 11 is raised. At that time,
The pins 29 and the rollers 32 slide so as to be drawn toward the center from both sides in the horizontal rails 33 and 34.

Next, the temperature source 21 will be described. The temperature source 21 is built in the main body 7 and stores hot or cold air in the storage space 1.
Send to 0. As the temperature source 21 in the illustrated example, FIG.
(1) As shown in FIG. 1, an electric heater 39 and a fan 40 disposed in a heater chamber 38 below the main body 7.
And a duct 42 interposed between the heater chamber 38 and the opening 41 of the floor surface 11.

In the illustrated temperature source 21, the heater 3
The warm air from 9 blows into the storage space 10 on the floor 11 via the fan 40, the duct 42, the opening 41 and the like. In FIG. 1, reference numeral 43 denotes an exhaust port. The exhaust port 43 is attached to the top of the main body 7 or the upper lid 8 above the storage space 10, and supplies hot air blown into the storage space 10 as described above. After the fact, they are released outside. In addition, it is possible to appropriately narrow the ventilation area of the exhaust port 43. In the illustrated example, an electric heater 39 is used as the temperature source 21. However, the present invention is not limited to this, and various temperature sources 21 can be used. For example, dry ice or the like is used. It is conceivable to store this in the freezer and to circulate cool air to the storage space 10.

The heat retaining case according to the present invention is as described above. Then, it becomes as follows. In this heat retaining case, a storage space 10 is formed in a box-shaped main body 7, and an upper lid 8 of an opening 6 on an upper surface and an opening 1 on a front surface.
The storage space 1 is opened and closed by opening and closing the front lid 13 of the storage space 1.
Then, storage and removal of heat-retaining objects such as food are performed on the floor surface 11. Also, in this heat retaining case, a temperature source 21 such as a heater 39 built in the main body 7 is used.
The warm air is sent to the storage space 10, and the object to be warmed stored in the storage space 10 is kept warm, and is run, moved and transported freely by casters 9 provided below the main body 7. Furthermore, the floor surface 11 of the storage space 10 of the heat insulating case
Is moved up and down through the jack 17 and the link mechanism 18 of the elevating device 19 by operating the pedal 22 of the operating means 20 as needed, and the height thereof is freely variable.
Therefore, in this heat insulation case, the following first, second,
It becomes the third.

First, the heat insulation case is provided with a heater 39.
Since the temperature source 21 is built in the main body 7, the temperature can be easily and easily maintained. As described above, no piping or the like to the outside is required, no trouble is required for installation work, no large installation space is required, and temperature control is easy in use. Second, the heat retaining case is run on casters 9 and is easy to move and transport. Third, in this heat retaining case, by raising the floor surface 11 of the storage space 10, the storage and removal of the heat retaining target from the lower portion of the storage space 10 are easy.

[0021]

As described above, the heat retaining case according to the present invention has a built-in temperature source in the main body and a caster attached thereto, and the floor surface of the storage space in the main body is connected to the operating means, the elevating device and the like. The following effects are exhibited by moving up and down.

First, the temperature can be easily and easily maintained. That is, unlike the above-described conventional example of this type, since steam, gas, hot water, and the like are not used, there is no need for piping to the outside, no time is required for installation work, and there is no need for a large space and the space becomes narrow. In addition, the temperature can be easily and easily maintained, for example, temperature control is easy in use.

Second, movement and transportation are easy. That is, it is not a fixed type as in the above-mentioned conventional example, but is easily moved and transported by casters even once installed.

Third, storage and removal from the lower part of the storage space are easy. That is, as in the above-described conventional example, every time a heat-retaining object such as food is stored in or taken out of the lower portion of the storage space, it is not necessary to drop down and squat down each time. It can be easily stored and taken out without extra labor. As described above, the effects exhibited by the present invention are remarkable and large, for example, the problems existing in this type of conventional example are eliminated.

[Brief description of the drawings]

FIG. 1 is a front view of an embodiment of a heat retaining case according to the present invention, showing a state in which a front lid is opened and a state in which the front lid is closed, in half.

FIG. 2 shows the same embodiment, in which (1) is a side view, and (2) is a side view of a jack, a pedal and the like.

3A and 3B show the same embodiment, wherein FIG. 1A is a side view of a heater portion and the like, FIG. 3B is a plan view of a link, a joint, a vertical rail, and the like; Plan view of the
(4) The figure is a front view of links, pins, horizontal rails and the like.

FIGS. 4A and 4B show the same embodiment, in which FIG. 1A is a perspective view, and FIG. 2B is a perspective view of a pack of food and the like, a case and the like.

FIG. 5 is a schematic perspective view of a heat retaining case of a conventional example of this kind, in which (1) shows one example and (2) shows another example.

[Explanation of symbols]

 Reference Signs List 6 opening 7 main body 8 upper lid 9 caster 10 storage space 11 floor 17 jack 18 link mechanism 19 elevating device 20 operating means 21 temperature source

Claims (1)

(57) [Scope of request for utility model registration] A main body having a box-like shape and having an opening formed at least on an upper surface thereof and having heat insulating property; an upper lid having heat insulating property capable of opening and closing the opening; and a caster provided below the main body part. A storage space formed in the main body for storing an object to be kept warm such as food, and a floor surface capable of ascending and descending the storage space;
A lifting device for moving the floor up and down by a jack via a link mechanism, operating means attached below the main body to drive the jack of the lifting device, and a hot air or cold air housed in the main body for storing And a temperature source for sending to a space.