JP2000272549A - Interior finish structure of box unit for freight transport or freight storage and simple heat insulating sheet used therein - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily insulate heat without mounting a refrigerator, by extending a simple heat insulating sheet fixing together a plastic film evaporation depositing or bonding aluminum foil or aluminum layer to a plastic-made bubble sheet or foaming sheet. SOLUTION: A side wall and a roof part in a load chamber of a van truck and a deck of a wing vehicle, juxtaposing a plurality of pillars or beams 14 of hat type section, are formed in a sectional structure securing an outside plate 16 by a rivet, bonding agent, etc. A simple heat insulating sheet 18 is extended in an inner side surface of the outside plate 16, fixed by an adhesive double coated tape 20 or the other bonding agent, and fixed by fixing a lining plate 22 of veneer plate or the like to inside a pillar or beam 14. The simple heat insulating sheet 18 is constituted by fixing a sheet evaporation depositing or bonding aluminum to a surface of plastic-made sheet protruding innumerable bubbles in the surface.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interior structure of a cargo transport or cargo storage box such as a truck, a trailer luggage, a wing truck luggage, a container, etc., and a simple heat insulating sheet used therefor. .

[0002]

2. Description of the Related Art Generally, a box for transporting machinery and miscellaneous goods which is not affected by temperature conditions (commonly called dry) and a fresh food which is greatly affected by temperature conditions are provided in the above-mentioned cargo transport or cargo storage box. In the latter case, the ceiling and the wall are filled with a heat insulating material, and a refrigerator is mounted and transported in a frozen or heated state.

[0003]

For example, in the case of chocolate in the cold winter season, there is no problem if it is transported in the above-mentioned dry box, but the temperature inside the closed box is considerable under the summer sunshine. In order to rise, the ceiling, the wall must be transported in a box that has been filled or frozen or kept warm with heat insulating material, which leads to an increase in transportation costs for operating the refrigerator. Since the wall is filled with the heat insulating material, the load volume inside the heat insulating material is reduced by the thickness of the heat insulating material.

A first object of the present invention is to provide a dry box in winter, which does not pose a problem, because it does not require as severe a temperature condition as fresh food. Provided is a cargo transport or cargo storage box interior structure that can be easily insulated without mounting a refrigerator by filling the ceiling and walls with heat insulating material, and a simple heat insulating sheet used for the same. Is to do.

[0005] A second object of the present invention is to provide an interior structure of a cargo transport or cargo storage box that can easily provide a current dry cargo transport or cargo storage box at low cost and with an excellent heat insulating structure. And a simple heat insulating sheet used for the same.

A third object of the present invention is to reduce the inner dimension of the cargo transporting or cargo storage box itself even if the dry cargo transporting or cargo storage box itself has an insulating structure.
An object of the present invention is to provide a cargo transport or cargo storage box interior structure capable of minimizing an increase in weight and a simple heat insulating sheet used therefor.

[0007]

According to the present invention, an interior structure of a cargo transporting or cargo storing box is provided by laminating a plastic film obtained by depositing or bonding an aluminum foil or an aluminum layer on a plastic foam sheet or foam sheet. The simple heat insulating sheet is extended on the inside or inside surface of the ceiling or wall of the cargo transporting or cargo storing box so that it can be fixed or detached.

[0008] foam sheets or the mass per unit area of the foam sheet 50 g / m ² or more 3000 g / m ² within, more desirably determined in the range of 100 to 1000 g / m ^2. The reason is that if it is too light, the strength is insufficient, and if it is too heavy, it is against the demand for reducing the weight of the vehicle.

Further, the simple heat insulating sheet of the present invention is a simple heat insulating sheet to be spread inside a cargo transporting or cargo storing box body, wherein a plastic foam sheet or foam sheet is coated with an aluminum foil or an aluminum layer. It is formed by attaching vapor-deposited or bonded plastics.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 corresponds to the van truck AA of FIG. 3 and the wing car CC of FIG. 4 to which the present invention is applied. FIG. 2 is a partial cross-sectional view of a portion corresponding to BB of the van truck of FIG. 3 and DD of the wing wheel of FIG. 4, similarly to FIG. 1, and FIG. FIG. 4 shows an overall perspective view of a wing truck of an example to which the present invention is applied, FIG. 5 shows a cutaway view of a simple heat insulating sheet, and FIG. 6 shows another example of the present invention. FIG. 7 shows still another embodiment of the present invention, FIG. 8 shows still another embodiment of the present invention, and FIG. 9 shows still another embodiment of the present invention. Figure 1
0 indicates still another embodiment of the present invention.

As shown in FIGS. 1 and 2, a luggage compartment 10 of a van truck and a luggage carrier 12 of a wing truck according to the present embodiment.
The cross-sectional structure of the side wall and the roof portion is formed by arranging a plurality of pillars or beams 14, 14,... Having a hat-shaped cross-section, and fixing the outer plate 16 with rivets, adhesives, or the like. 18
Is spread on the inner surface of the outer plate 16, and the double-sided adhesive tapes 20, 2
.. Or other adhesives, and the lining plate 22 such as a veneer plate is stuck and fixed inside the plurality of columns or beams 14, 14,. (In some cases, the lining plate is not attached as shown by the dotted line.)

As shown in FIG. 5, the simple heat-insulating sheet 18 is a sheet 26 in which countless polyolefin, polyamide, or biodegradable resin air bubbles (air bags) 24, 24. Sheets 28, 28 on which aluminum is deposited or adhered are adhered to the surface of the sheet.

[0013] The sheet referred to here is a sheet in a broad sense, ranging from a flexible film to a hard board-like sheet.
“Prapearl” (product name) is known as a product using a hard material.

As the material, polyolefin, biodegradable resin, a mixture thereof, and a laminated film are suitable. If the material is approximately thermoplastic, such as a thermoplastic elastomer, vinyl chloride, polycarbonate, or polystyrene ABS resin. All of them can be used as the material of the foam sheet, but are not suitable in view of the working environment of the present invention and cost effectiveness. For polyolefins, high-density polyethylene, low-density polyethylene, chain low-density polyethylene, polyethylene polymerized using a metallocene catalyst, various polypropylenes (regardless of homopolyco and copolyco), vinyl acetate, ethylene alpha olefin copolymer, Any of cyclic polyolefins and the like may be used. Examples of biodegradable resins include Cell Green, Pionore, Lacia, Lacty, Matterby, Brupla and the like.

In another embodiment shown in FIG. 6, an inner lining plate 22 is adhered inside a plurality of pillars or beams 14, 14,... The simple heat insulating sheet 18 is stretched and filled in a space formed by columns or beams 14, 14 adjacent to the above.

In still another embodiment shown in FIG. 7, an inner surface of an outer plate 16 and a plurality of columns or beams 1 having a hat-shaped cross section are provided.
The simple heat insulating sheet 18 is continuously stretched inside 4, 14,... And affixed with a double-sided adhesive tape (adhesive) 20, 20,.

In still another embodiment shown in FIG. 8, an inner surface of an outer plate 16 and a plurality of columns or beams 1 having a hat-shaped cross section are provided.
The outer plate 16 and the inner lining plate 22 on both sides of 4, 14,.
A simple heat insulating sheet 18 is provided on the surface of the lining plate 22.
According to this embodiment, the present invention can be easily applied to a conventional dry cargo transport or cargo storage box.

In still another embodiment shown in FIG. 9, a plurality of pillars or beams 1 having a hat-shaped cross section are provided on the inner surface of an outer plate 16.
Are fixed, and the inner lining plate 22 is attached and fixed via the simple heat insulating sheet 18.

In still another embodiment shown in FIG.
This is one in which the inner lining plate 22 is attached and fixed to the embodiment of FIG.

In general, the bubble sheet 26 has a high heat insulating effect because it has air with a small thermal conductivity, and furthermore, it also cuts off radiant heat conduction because it adheres a film or aluminum foil 30 on which aluminum is deposited. And its insulation effect is considerably higher.

The present invention is not limited to the above embodiment, and various design changes can be made without departing from the spirit thereof. For example, in FIG. 5, the sheets 28, 28 on which aluminum is deposited or adhered are attached to both sides of the sheet 26, but the sheets 28, 28 on which aluminum is deposited or adhered are attached only on one side of the sheet 26. The present invention may be applied to a cargo transport or cargo storage box already filled with a heat insulating material to further enhance the heat insulating effect, and can be detachably mounted on a truck chassis. It goes without saying that shipping containers are also included in the technical scope.

[0022]

According to the interior structure of the cargo transport or cargo storage box of the present invention and the simple heat insulating sheet used in the above, even if transported in a dry box in winter, there is no problem. Filling the ceiling and walls with heat-insulating material makes it easy to keep cool without installing a refrigerator when transporting goods of poor quality under hot weather, and the current dry cargo transport or cargo storage box Can be easily converted to a low-cost and excellent heat-insulating structure, whereby a decrease in the inner dimensions and an increase in weight of the cargo transport or cargo storage box itself can be minimized.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view showing a portion corresponding to AA of a van truck in FIG. 3 and CC of a wing wheel in FIG. 4 showing an embodiment of the present invention.

2 is a partial sectional view of a portion corresponding to BB of the van truck of FIG. 3 and DD of the wing wheel of FIG. 4, as in FIG. 1;

FIG. 3 is an overall perspective view of a van truck embodying the present invention.

FIG. 4 is an overall perspective view of an example in which the present invention is applied to a wing wheel.

FIG. 5 is a cutaway view of a simple heat insulating sheet.

FIG. 6 is a partial cross-sectional view showing another embodiment of the present invention.

FIG. 7 is a partial sectional view showing still another embodiment of the present invention.

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

FIG. 9 is a partial sectional view showing still another embodiment of the present invention.

FIG. 10 is a partial sectional view showing still another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Van truck luggage room 12 Wing car bed 14 Column or beam 16 Outer plate 18 Simple heat insulation sheet 20 Double-sided adhesive tape 22 Lining plate 24 Air bubbles 26 Sheet 28 Sheet 30 Aluminum foil

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hajime Kawakami 2--50 Senaridori, Nakamura-ku, Nagoya-shi, Aichi Prefecture Inside Kawakami Sangyo Co., Ltd. No. 50 Kawakami Sangyo Co., Ltd. (72) Inventor Kiyotaka Hayashi 2-50 Senaridori, Nakamura-ku, Nagoya-shi, Aichi, Japan

Claims (4)

[Claims] 1. A simple heat insulating sheet in which an aluminum foil or an aluminum layer is attached to a plastic film by vapor deposition or adhesion to a plastic foam sheet or foam sheet is used for a ceiling or a wall of a box for cargo transportation or cargo storage. An interior structure of a cargo transportation or cargo storage box, which is fixed on or detached by being extended on an inside or an inside surface. 2. The interior structure of a cargo transport or cargo storage box according to claim 1, wherein the mass per unit area of the foam sheet or foam sheet is in the range of 50 to 3000 g / m ^2. . 3. A simple heat insulating sheet that is spread inside a cargo transport or cargo storage box, wherein a plastic in which an aluminum foil or an aluminum layer is vapor-deposited or bonded to a plastic foam sheet or a foam sheet is laminated. Simple heat insulation sheet. 4. The simple heat insulating sheet according to claim 3, wherein the mass per unit area of the foam sheet or the foam sheet is in a range of 50 to 3000 g / m ² .