JPH10338278A - Foldable insulation box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a foldable insulation box in which a lid and an inner heat insulation body are connected to an upper end part of a rear side wall of an outer box, the lid and the rear heat insulation inner wall body can be stacked parallel to each other in the folded condition, and can be folded compact. SOLUTION: In a foldable insulation boxy comprising a box body 1 which is provided with an outer box 2 made of waterproof sheet, a bottom heat insulation inner wall body, forward and rear heat insulation inner wall bodies 42, 43, a left heat insulation inner wall body 44, and a right heat insulation inner wall body 44, and in which upper edges of the forward and rear heat insulation inner wall bodies 42, 43 are turnably connected to an upper end of forward and rear side walls, and the left heat insulation inner wall body 44 and the right heat insulation inner wall body are turnable with each lower end as a supporting point, and a lid 2 one end of which is turnably connected to an upper end part of the rear side wall of the outer box 3, the upper end part of the rear heat insulation inner wall body 43 is short-circuited to the upper end part of the rear side wall of the outer box 3 through press-attachment of a press- attaching fastener 6, and connected thereto by a strip-shaped connection part 5 to be expanded by separating the press-attaching fastener 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable cold storage box suitable for use in transporting while keeping cold or warm.

[0002]

2. Description of the Related Art A foldable cold storage box comprises a box having an open upper surface and a lid for opening and closing the opening of the box. The box is
An outer box made of a waterproof sheet having a bottom, front and rear side walls, left and right side walls, and a bottom insulated inner wall body, front and rear insulated inner wall bodies, which are respectively superimposed on the bottom surface of the outer box, the front and rear side walls, and the left and right side walls. With a heat-insulating inner wall. For folding, the front and rear heat-insulating inner walls are each rotatably connected to the upper end of the front and rear side walls of the outer box, and the left and right heat-insulating inner walls are rotatable around the lower ends. .

In this foldable cool box, left and right heat insulating inner walls are alternately stacked on a bottom heat insulating inner wall, front and rear heat insulating inner walls are alternately stacked on the inner wall, and a lid is further stacked thereon. Folded. At the time of assembly, the left and right heat insulating inner walls are set up, and the front and rear heat insulating inner walls are pushed between the left and right heat insulating inner walls. As a result, the left and right heat insulating inner walls are supported from the inside by the front and rear heat insulating inner walls at both ends, and are pressed and overlapped on the inner surfaces of the left and right side walls of the outer box.

[0004] In general, the lid is separable from the box so that it is compactly folded and transported when not in use. However, in this case, since the box and the lid are two separable objects, it is inconvenient to handle, and when handling a large number of insulated boxes, one is lost or the combination is mixed up. Is likely to occur.

[0005]

In order to solve such a problem, one end of the lid is attached to one of the front, rear, left and right side walls of the outer box.
If connected to the two upper ends, the cool box can be integrated when folded. However, the foldable cold storage box in which one end of the lid is connected to the box body has a structure in which the rectangular lid and the rear heat-insulating inner wall body are connected at substantially the same position at the upper end of the side wall behind the outer box. For this reason, it is difficult to overlap the rectangular lid and the heat-insulating inner wall body in parallel, and there is a drawback in that the rectangular lid cannot be made compact when folded.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a foldable cool box in which both a lid and a rear heat insulating inner wall are connected to an upper end portion of a rear wall of an outer box. An object of the present invention is to provide a foldable cool box that can be overlapped with an inner wall body in parallel and can be compactly folded.

In the present invention, the distinction between front and rear and left and right is for convenience of expression, and it is natural that the front and rear and left and right are the same even if they are switched. Further, the crimp fastener is also referred to as a hook-and-loop fastener, and is a fastener that connects two flexible portions formed by this support provided with a hooking member that can be hooked to each other, and One of the bodies is referred to as having multiple hooks or mushroom-shaped pieces on its surface, and the other support is provided with multiple loops on its surface. Further, in the present invention,
It is assumed that the crimp fastener also includes a magnet formed in a flexible band shape.

[0008]

SUMMARY OF THE INVENTION The present invention provides an outer box made of a waterproof sheet having a bottom, front and rear side walls, left and right side walls, and an inner wall of the bottom, front and rear side walls, and left and right side walls of the outer box. A bottom heat-insulating inner wall, front and rear heat-insulating inner walls, left and right heat-insulating inner walls, wherein the front and rear heat-insulating inner walls are rotatably connected to upper ends of front and rear side walls of the outer box, respectively. The left and right heat-insulating inner walls are respectively rotatably mounted on the upper surface opening of the box and the box which is rotatable around the lower end, and one end is provided on the upper end of the side wall behind the outer box. The lid includes a lid to which a lid heat-insulating inner wall is attached, and the left and right heat-insulating inner walls are alternately stacked on the bottom heat-insulating inner wall, and the front and rear heat-insulating inner walls are stacked thereon. Alternately fold the box body and fold the lid on it In the foldable insulated box, the upper end portion of the rear heat insulating inner wall and the upper end portion of the rear side wall of the outer box are short-circuited by crimping of the crimping fastener, and the band-like connecting portion is extended by peeling of the crimping fastener. It is characterized by being connected.

[0009]

According to the present invention, the upper end portion of the rear heat insulating inner wall and the upper end portion of the side wall behind the outer box are short-circuited by crimping of the crimping fastener, and are extended by peeling of the crimping fastener. Are linked by For this reason, at the time of assembling the foldable cold insulation box, the crimping fastener is crimped to short-circuit the band-shaped connecting portion, whereby the later heat-insulating inner wall or lid can be reliably assembled. Further, at the time of folding, the cover and the heat insulating inner wall body can be overlapped in parallel by peeling off the pressure-bonding fastener and extending the band-shaped connecting portion, so that the cool box can be compactly folded.

According to the second aspect of the present invention, one end of the lid and the upper end of the side wall after the outer box are short-circuited by crimping of the crimping fastener, and are connected by a strip-shaped connecting portion extending by peeling of the crimping fastener. I have. In this configuration, the same operation and effect can be obtained. Advantageously, the band-shaped connecting portion has a U-shaped cross section that is not foldable, and the U-shaped cross section is fixed, peeled, short-circuited, and extended by the crimp fastener.

[0011]

1 to 10 show an embodiment of a foldable cold storage box according to the first aspect of the present invention. The box 1 and a lid for opening and closing a top opening 10 of the box 1 in a detachable manner. Consists of two. The box 1 includes a bottom sheet 31, front and rear side wall sheets 32 and 33 having a wide width, and left and right side wall sheets 34 and 3 having a narrow width.
5 is provided with an outer box 3 made of a flexible waterproof sheet.

In the outer box 3, a bottom heat insulating inner wall 4 is placed on the inner surface of the bottom sheet 31 and the front, rear, left and right side wall sheets 32-35.
1. A front heat-insulating inner wall 42, a rear heat-insulating inner wall 43, a left heat-insulating inner wall 44, and a right heat-insulating inner wall 45 are detachably mounted. Insulated inner and outer walls 42-45
At the outer end of the upper surface 46 to 49, an outer edge 4 is provided to protrude upward.

The left and right heat-insulating inner walls 44, 45 are connected at their lower ends by a connecting band 40, and the connecting band 40 is rotatable about a fulcrum. In this embodiment, the left and right heat insulating inner walls 44 and 45 are connected to the left and right ends of the bottom heat insulating inner wall 41 by a connecting band 40 as shown in FIG. It is fitted in box 3.

As shown in FIGS. 5 and 6, the outer side surfaces of the upper ends of the left and right heat insulating inner walls 44 and 45 and the left and right side wall sheets 3 are provided.
The crimp fastener 17 is attached to the inner surface of the upper end of
a and 17b are attached and fixed detachably. The left and right heat-insulating inner walls 44 and 45 are connected to the bottom heat-insulating inner wall 41.
Separately from the left and right side wall sheets 34, 35, they may be sewn to the inner surfaces of the lower ends via the connecting band 40.

A band-shaped crimp fastener 11a is horizontally mounted on the outer surfaces of the side wall sheet 32 and the left and right side wall sheets 34, 35 in front of the outer box 3. Also, handle bands 12, 13 are provided on the outer surfaces of the left and right side wall sheets 34, 35.
Are attached by sewing both ends. The front and rear heat-insulating inner walls 42 and 43 have upper and lower edges on the front and rear side wall sheets 32,
33 is connected to the inner surface of the upper edge by sewing and is rotatable.

The upper edge of the rear side wall sheet 33 and the upper end of the rear heat insulating inner wall 43 are connected by a band-shaped connecting portion 5 having a rectangular cross section. The band-like connecting part 5 is
1 and an upper band portion 52 and can be folded. The lower band portion 51 and the upper band portion 52 of the band-shaped connecting portion 5 include:
As shown in FIG. 2, the hooking sides 6a facing each other,
A crimp fastener 6 comprising a catch side 6b is attached.

When the crimp fastener 6 is crimped, the band-like connecting portion 5 short-circuits the upper edge of the rear side wall sheet 33 and the upper end of the rear heat insulating inner wall 43. This allows
At the time of assembling the cool box, the later side wall sheet 33 and the later heat insulating inner wall body 43 can be stacked and stably held. Also,
At the time of folding, the crimp fastener 6 can be peeled off to extend the band-like connecting portion 5. Therefore, as shown in FIGS. 9 and 10, the lid 2 can be overlapped on the upper surface of the heat-insulating inner wall 43 later, and can be folded compactly.

The lid 2 has a structure in which a rectangular heat insulating plate 23 made of foamed resin is sandwiched between the outer material 21 and the lining 22 and the periphery thereof is sewn (see FIG. 4). Around the sewn portion of the heat insulating plate 23, a front cover plate 24 and left and right cover plate plates 25 and 26 in which the outer material 21 and the lining 22 are extended at the outer material level are provided so as to be freely bent. On the lower surfaces of the lid edge plates 24-26,
As shown in FIGS. 2 and 3, a band-shaped crimp fastener 11 b is adhered, and is detachable from the crimp fastener 11 a on the outer surface of the front, rear, left and right side wall sheets 32 to 35.

Thus, when the cover 2 is put on the cover 2, the heat insulating plate 23 is fitted into the outer edge 4 as shown in FIG.
The outer peripheral edge of the lower surface of the heat insulating plate 23 is pressed against the upper surfaces 46 to 49 of the front, rear, left and right heat insulating inner walls 42 to 45. Then,
The crimp fasteners 17a and 17b are fixed, and the upper ends of the left and right heat insulating inner walls 44 and 45 and the upper ends of the left and right side wall sheets 34 and 35 are fixed. Next, the front and rear heat-insulating inner walls 42 and 43 are fitted between the left and right heat-insulating inner walls 44 and 45 and are superimposed on the inner wall surfaces of the front and rear side wall sheets 32 and 33. Thereby, both side surfaces of the left and right heat insulating inner walls 44 and 45 support both side portions of the inner wall surfaces of the left and right heat insulating inner walls 44 and 45.

The folding of the front and rear heat insulating inner walls 42 and 43 and the left and right heat insulating inner walls 44 and 45 will be described. First, the handles 421, 431 attached to the centers of the lower edges of the front and rear heat-insulating inner walls 42, 43 are pulled inward, rotated about the upper end as a fulcrum, and flipped up as shown in FIGS.
Next, the crimp fasteners 6 at the upper end portions of the left and right heat-insulating inner walls 44 and 45 are peeled off, and the inner sides are turned inward with the lower ends as fulcrums.

As a result, as shown in FIG. 9A, the left and right heat insulating inner walls 44, 45 overlap the bottom heat insulating inner wall 41. Further, as shown in FIG. 9B, the front and rear heat-insulating inner walls 42 and 43 are overlapped on the left and right heat-insulating inner walls 44 and 45, respectively. When the lid 2 is further overlaid thereon, it can be folded compactly as shown in FIG. At this time, the front, rear, left and right side wall sheets 32 to 35 of the outer box 3 are appropriately folded.

FIGS. 11 to 13 show an embodiment of the present invention. In this embodiment, the subsequent side wall sheet 3
The upper end edge of the lid 3 and the rear end of the lid 2 are connected by a band-shaped connecting portion 5 having a rectangular cross section. The band-like connecting portion 5
A crimp fastener 6 composed of a lower band portion 51 and an upper band portion 52, which is foldable and has a hooking side 6a and a hooking side 6b facing each other, is attached.

When the crimp fastener 6 is crimped, the upper edge of the rear side wall sheet 33 and the rear end of the lid 2 are short-circuited. Thereby, as shown in FIG. 12, when assembling the cool box, the upper end portion of the rear side wall sheet 33 and the rear end portion of the lid 2 can be stably held. Further, at the time of folding, the band-shaped connecting portion 5 can be extended by peeling off the crimp fastener 6. For this reason, as shown in FIG. 13, the lid 2 can be placed in parallel on the upper surface of the heat insulating inner wall 43 later, and can be folded compactly.

In the above embodiment, the crimp fastener 6
Are attached to each other, but may be attached by other fixing means such as bonding. Further, in the present invention, the crimp fastener is also referred to as a hook-and-loop fastener, but a flexible band-shaped magnet can be used as a crimp fastener in place of the crimp fastener, so that the crimp fastener includes a band-shaped magnet.

[Brief description of the drawings]

FIG. 1 is a perspective view of a foldable cool box viewed from a diagonally left front.

FIG. 2 is a perspective view of the foldable cold storage box as viewed from diagonally right rear.

FIG. 3 is a perspective view showing a state in which the foldable cool box is assembled and a lid is opened.

FIG. 4 is a perspective view showing a state in which the foldable cool box is assembled and a lid is closed.

FIG. 5 is a perspective view of a bottom heat insulating inner wall and left and right heat insulating inner walls.

FIG. 6 is a sectional view of a box.

FIG. 7 is a sectional view of a box.

FIG. 8 is a sectional view of a foldable cool box.

FIG. 9 is a view showing a folding process of the folding cold storage box.

FIG. 10 is a sectional view of the foldable cool box in a folded state.

FIG. 11 is a perspective view of a foldable cool box according to another embodiment as viewed from diagonally left front.

FIG. 12 is a cross-sectional view of a foldable cool box according to another embodiment.

FIG. 13 is a cross-sectional view of a foldable cool box according to another embodiment in a folded state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Box 2 Lid 3 Outer box 4 Outer edge 5 Belt connection part 6 Crimp fastener 10 Top opening 41 Bottom heat insulating inner wall 42 Front heat insulating inner wall 43 After heat insulating inner wall 44 Left heat insulating inner wall 45 Right heat insulating inner wall

Claims (3)

[Claims] 1. An outer box made of a waterproof sheet having a bottom, front and rear side walls, left and right side walls, a bottom heat insulating inner wall body superimposed on each of the bottom, front and rear side walls, and left and right side walls. A heat-insulating inner wall, comprising left and right heat-insulating inner walls, the front and rear heat-insulating inner walls are respectively rotatably connected to upper ends of front and rear side walls of the outer box, and the left and right heat-insulating inner walls are respectively provided. A box rotatable about the lower end as a fulcrum, and a cover that is openably and closably covered on an upper surface opening of the box and has one end rotatably connected to an upper end of a side wall behind the outer box; A lid on which a heat-insulating inner wall is attached, on the bottom heat-insulating inner wall, the left and right heat-insulating inner walls are alternately stacked, and the front and rear heat-insulating inner walls are alternately stacked thereon, thereby forming the box. Folding, furthermore in a foldable cool box on which the lid is overlaid, The upper end of the rear heat-insulating inner wall and the upper end of the side wall after the outer box are short-circuited by crimping of a crimping fastener, and connected by a strip-shaped connecting portion extending by peeling of the crimping fastener. Foldable cool box. 2. An outer box made of a waterproof sheet having a bottom, front and rear side walls, left and right side walls, a bottom heat insulating inner wall body superimposed on each of the bottom, front and rear side walls, and left and right side walls. A heat-insulating inner wall, comprising left and right heat-insulating inner walls, the front and rear heat-insulating inner walls are respectively rotatably connected to upper ends of front and rear side walls of the outer box, and the left and right heat-insulating inner walls are respectively provided. A box rotatable about the lower end as a fulcrum, and a cover that is openably and closably covered on an upper surface opening of the box and has one end rotatably connected to an upper end of a side wall behind the outer box; A lid on which a heat-insulating inner wall is attached, on the bottom heat-insulating inner wall, the left and right heat-insulating inner walls are alternately stacked, and the front and rear heat-insulating inner walls are alternately stacked thereon, thereby forming the box. Folding, furthermore in a foldable cool box on which the lid is overlaid, A foldable cold storage box, wherein one end of the lid and the upper end of the side wall after the outer box are short-circuited by crimping of a crimping fastener and connected by a strip-shaped connecting portion extending by peeling of the crimping fastener. 3. The belt-shaped connecting portion according to claim 1, wherein the band-shaped connecting portion has a U-shaped cross section without being foldable, and the U-shaped cross section is fixed by the crimp fastener.
A foldable cold box characterized by peeling, short-circuit, and extension.