JP2004010153A - Upright thermal insulating device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a thermal insulating device having such a structure disassemblable when not encasing contents and having a removable door. <P>SOLUTION: In the upright thermal insulating device, panels 1-6 that constitute the respective wall surfaces of a cuboid are formed of a laminated material of a reinforcing material, a vacuum thermal insulating material and an outer covering material, and a soft material is arranged on their outer peripheral edges, while the panels are fixed in such a state that there is no clearance mutually between them. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
[Industrial applications]
TECHNICAL FIELD The present invention relates to a heat retaining device for transporting and displaying commodities that require temperature control, such as food, and more particularly to a device configured to be assembled and disassembled.
[0002]
[Prior art]
Conventionally, in order to transport fresh foods and the like, for example, an upright type container called a heat insulation box shown in FIGS. This is composed of an outer frame A for imparting the strength of the box, and an inner box B incorporated in the outer frame to take on the function of keeping the contents warm. It is transported in combination with long-distance travel using a vehicle.
[0003]
[Problems to be solved by the invention]
This heat insulation box is invariable in shape, has a predetermined shape regardless of the contents, and cannot be made compact. Further, although the door has an opening / closing structure, it cannot be removed and cannot be used for displaying products.
[0004]
The present invention has been made in consideration of the above points, and has as its object to provide a warming device having a structure that can be disassembled when contents are not stored and a door can be removed.
[0005]
[Means for Solving the Problems]
To achieve the above object, the present invention provides:
A panel forming each wall surface of the rectangular parallelepiped is formed by a laminated material of a strength material, a vacuum heat insulating material, and a covering material, and is provided with a soft sealing material provided on an outer peripheral edge, and the panels have no gap therebetween. Upright type heat retention device fixed with
Is provided.
[0006]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is an explanatory view showing the entire structure of a heat retaining device according to the present invention in a partially exploded manner. As shown in FIG. 1, the heat retaining device has a rectangular parallelepiped shape as a whole, and is shown with both side panels 1 and 2, a back panel 3, a ceiling panel 4, a bottom panel 5, and a detached state. And six door panels 6.
[0007]
The heat retaining device formed by these panels 1 to 6 is provided with a net 7 and a perforated shelf 8 at the uppermost portion thereof, and a cold storage agent (or heat storage agent) 9 is provided on the shelf 8. Put on. When the door is removed in this manner, it can be used for displaying products while applying a cold storage agent (heat storage agent).
[0008]
In each of the panels 1 to 6, a vacuum heat insulating material mainly having a heat insulating action and a jacket material are laminated on a metal, plastic, or other plate material mainly serving as a strength material that bears strength. From the viewpoint of heat insulation performance and durability, a sheet obtained by depositing aluminum on a laminated plastic film or a sheet obtained by bonding an aluminum foil to a plastic film may be used as the jacket. Further, a cloth material made of a synthetic fiber or a natural fiber may be appropriately used.
[0009]
In addition, a sponge-like soft material such as urethane, polyethylene, or polypropylene is provided on an outer peripheral edge of each panel that comes into contact with another panel in order to obtain cushioning and airtightness.
[0010]
In order to fix the panels to each other, each panel is provided with a Velcro fastener (trade name) -type fixing device as a surface connection member in a so-called glue margin shape. Mutual fixation is achieved.
[0011]
FIG. 2 is a perspective view showing a state where the heat retaining device is constituted by fixing the six panels 1 to 6 to each other, and the contents are accommodated and placed on a cart. Practically, each of the panels 1 to 6 is formed integrally with adjacent ones of the panels and divided into, for example, four groups, and the panel groups are fixed to each other by a Velcro fastener type fixing tool.
[0012]
For this purpose, a Velcro fastener-type fixing device is provided at a peripheral portion of each panel group that comes into contact with another panel group, and a fixing state is completed by overlapping the fixing devices. At this time, due to the action of the soft material having elasticity provided on the outer peripheral edge of each panel, the outer peripheral edges of the panels are in contact with each other in a state close to an airtight state without a gap.
[0013]
Furthermore, in order to reinforce the rectangular parallelepiped heat insulating device formed by the mutually fixed panels, two belts 10 are hung. The belt 10 is provided with an appropriate buckle, and the buckle is sufficiently tightened so that the connection state between the panels can be strengthened and the state can be maintained for a long time. . The number of belt hooks may be three or more.
[0014]
A slip pocket 11 is provided on the surface of the door panel 6 to facilitate transportation.
[0015]
FIG. 3 shows a state where each panel is disassembled and assembled when transported after being used as a heat retaining device. In this case, the side panels 1 and 2 are independent from each other, the rear panel 3, the ceiling panel 4 and the bottom panel 5 are integrally formed, and the door panel 6 is additionally provided. I have. These panel groups are conveyed in a state compacted by the belt 10.
[0016]
The order of disassembly is as follows. First, after removing the regenerator 9 (FIG. 1) attached near the ceiling panel of the apparatus, the side panels 1 and 2 are removed, and then the ceiling panel 3 and the bottom panel 4 are folded inward. It is superimposed on the back panel 5 and then the side panels 1, 2 and the door panel 6 are mounted thereon and fastened together by the belt 10.
[0017]
FIGS. 4 (a) and 4 (b) show the contents of the panel and the structure of the jacket used in the embodiment of FIG. FIG. 4A shows the contents 100 of the panel, in which a vacuum heat insulating material 102 is sandwiched between a pair of plate-like strength materials 101 made of plastic, metal, or an inorganic or organic material. A soft sponge material 103 is provided on both side edges in the vertical direction in the figure.
[0018]
The plate-shaped strength member 101 has a function of preventing a corner or a rod-shaped object of another case from colliding and sticking, which is likely to occur during transportation. In that sense, it is necessary to use a material having a certain degree of hardness, and various materials can be selected according to the application.
[0019]
Further, the vacuum heat insulating material 102 mainly has a function as a heat insulating material, but can also take on the strength that the housing of the upright type heat retaining device should have. The vacuum heat insulating material 102 includes the following materials, all of which contain a material in a plastic bag such as PET and vacuum-extract air such as air bubbles formed in a built-in material. It is assumed that vacuum granular spaces are scattered throughout by sealing.
[0020]
First, a material utilizing a porous resin such as urethane or styrene, secondly, a material using fibers such as glass wool or rock wool (rock wool), and thirdly, silicic acid , Calcium silicate and calcium carbonate. As a result, a panel content 100 having rigidity and heat insulation properties and a side edge having a buffer function is formed. The contents 100 have good heat insulating performance and also provide panel strength.
[0021]
The contents 100 are housed in a durable cover 200 shown in FIG. 4B to form a panel. The cover 200 is formed by combining a laminated plastic film, an aluminum vapor-deposited sheet, and an aluminum foil, and is formed in a bag shape having an opening on one side. A Velcro fastener-type fixing device is provided in the opening, and the fixing device is closed after accommodating the content 100 shown in FIG. 4A to form a panel.
[0022]
FIGS. 5A, 5B and 5C show the respective panel groups when four panels are formed by appropriately combining the panels shown in FIG. Here, a combination of the ceiling panel 4 and the bottom panel 5 (FIG. 5A), the side panels 1 and 2 (FIG. 5B), and the door panel 6 (FIG. (C)).
[0023]
The door panel 6 has fixing margins on all four peripheral edges, and is fixed to the side panels 1 and 2, the ceiling panel 4 and the bottom panel 5 by a Velcro fastener-type fixing tool as a surface connecting member.
[0024]
Further, a fixing margin for a Velcro fastener-type fixing tool is provided at a contact portion between the side panels 1 and 2 and the rear panel 3, that is, at a vertical edge, so as to protrude outward from the wall surface. The margin is combined with a Velcro fastener fixture provided on the other wall, and the panels are fixed to each other. At this time, the soft sponge material is deformed so that no gap is formed between the panels, and forms a state in which the panels are in close contact with each other.
[0025]
In order to confirm the heat retention performance of the heat retention device according to the present invention, as a result of carrying out several transport experiments using various foods, it was found that all of the cases had sufficient performance.
[0026]
(Modification)
In the above embodiment, the ceiling panel and the bottom panel are integrally formed on the back panel. However, the ceiling panel and the bottom panel may be expanded to combine two side panels to form two panel groups of a door panel and other panels. Is possible.
[0027]
【The invention's effect】
As described above, the present invention is an upright type thermal insulation panel in which panels formed of a laminated material of a strength material, a heat insulating material and a covering material and provided with a soft sealing material on an outer peripheral edge are fixed to each other without any gap. Since the device is configured, it is possible to provide a heat retaining device that has sufficient heat retaining performance when the contents are stored, and that can be made compact by disassembling the panel.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a part of an embodiment of the present invention so that the entire structure can be seen.
FIG. 2 is a perspective view showing a state where the embodiment of FIG. 1 is assembled and mounted on a truck.
FIG. 3 is a perspective view showing a state in which the embodiment of FIG. 1 is disassembled into panels and assembled.
FIGS. 4A and 4B are explanatory views showing the internal structure of a panel used in the embodiment of FIG. 1;
FIGS. 5A, 5B, and 5C are explanatory diagrams showing an example of a group configuration of panels used in the embodiment shown in FIG. 1;
6 (a) and 6 (b) are perspective views showing the appearance and structure of a conventional heat retaining device.
[Explanation of symbols]
1, 2 side panel 3 back panel 4 ceiling panel 5 bottom panel 6 door panel 7 net 8 shelf board 9 cold storage agent 10 belt 11 slip pocket 100 panel contents 200 cover A outer frame B inner box

Claims (4)

A panel constituting each wall of the rectangular parallelepiped is formed by a laminated material of a strength material, a vacuum heat insulating material and a covering material, and is provided with a soft material on an outer peripheral edge, and the panels are fixed without any gaps therebetween. An upright type insulation device. 2. The upright type thermal insulation device according to claim 1, wherein the panel is made of a strength material, a vacuum heat insulating material made of a porous or fibrous material of an inorganic or organic material, and a jacket material made of a laminated film of metal and plastic. Composed upright type thermal insulation device. The upright type thermal insulation device according to claim 1,
Some of said panels are formed connected to each other,
An upright type thermal insulation device in which panels that are not connected are connected by a surface connection member. The upright type thermal insulation device according to claim 2,
An upright type heat retaining device in which a fixing belt is wound around a plurality of locations on the outer periphery of the panel.

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