JPH021269Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention relates to a foldable refrigerated container, and more specifically, the container body, which is formed so as to be foldable, and the refrigerated case, which is in the form of a heat insulating sheet, are separated. The present invention relates to a foldable cold storage container which is formed into a foldable container and which is designed to be able to be stored in a folded state when not in use.

[Prior art] With the development of distribution systems in recent years, various types of containers have been used for efficient distribution, and with the development of cold chains, these containers have been given a cooling function. It has been known. In this case, a container body a surrounded by a heat insulating sheet b from the outside as shown in FIG. 9 or a returnable box c made of styrene foam as shown in FIG. 10 is generally used.

However, if the container body a is surrounded from the outside by a heat insulating sheet b, it is inconvenient to assemble and disassemble when in use or not, and the returnable box c made of styrofoam is weak and difficult to fold. There was a problem that.

Therefore, in order to solve these problems, in the past, an insulated simple assembly container (Utility Model Publication 57-1) consisting of an assembly container and an insulating box made of a foldable heat insulating sheet inside the container was used.
(see Japanese Patent Publication No. 4622), or a cold/thermal insulating container consisting of a box-like container with a stacked structure using heat insulating material and a foldable outer container that tightly fits the box-like container (see Japanese Patent Publication No. 57-2587). was developed.

[Problems to be solved by the invention] However, in the former case, that is, insulated, easily assembled containers, only the side plates can be stored in the bottom frame of the container when not in use, and the insulated box itself can be folded into a small size and separated. Therefore, there is a problem in that it is inconvenient to maintain and manage the container and the insulation box when not in use. In addition, in the case of the latter, that is, cold/thermal containers, the box-shaped container inside is made of a thick material such as a foamed resin board, so there is a limit to the volume that can be folded, and it is not suitable for miniaturization. It is inconvenient to handle, and although it is possible to form the outer container from a rigid metal plate or the like, when folded, the folded portion is exposed to the surface, resulting in a lack of rigidity. In addition, both methods had the problem of being troublesome to assemble and disassemble.

[Means for solving the problem] This invention was made with the intention of solving the above problem. Another object of the present invention is to provide a foldable refrigerated container comprising a collapsible container body that is easy to assemble and disassemble, and a flexible heat-insulating sheet-like refrigerated case.

That is, this invention provides a foldable refrigerated container consisting of a collapsible container body and a foldable and flexible heat insulating sheet cold case disposed within the container body, in which the container bodies face each other. At least two opposing surfaces of the two surfaces and a surface adjacent to one of the surfaces are formed of a rigid member, and a folding member that is folded into the rigid member when not in use is connected between these rigid members. The object of the present invention is to provide a foldable cold storage container, wherein one of the rigid members is formed into a box shape having a space for accommodating the cold storage case when folded.

In this invention, the rigid member may be any member that can protect the folding member and ensure rigidity during use and non-use, such as a rectangular opening frame or a plate-like member. It is formed in

[Effect] The above technical means works as follows.

Since the cold storage case is housed in the bottom of the container body without interfering with the assembly and folding operations of the container body, the whole becomes compact, making handling and storage particularly advantageous when not in use. By protecting the case,
They can be stacked while retaining their shape during assembly and transportation.
This is efficient in terms of distribution, and by forming at least two opposing sides of the container body with a rigid member, durability can be improved.

[Example] An example of this invention will be described below based on the drawings.

Fig. 1 is a cross-sectional perspective view of the first embodiment of the refrigerated container of this invention in a used state, and Fig. 2 is a cross-sectional perspective view of the refrigerated container in its folded state. 10, and a foldable heat-insulating sheet-shaped cold case 20 disposed inside the container body 10.

As shown in FIGS. 1 to 3, the container body 10 has two opposing sides made of rigid members, and a folding member is connected between the rigid members. That is, a rectangular opening frame 31 made of a rigid member, a shallow box-shaped bottom 32 also made of a rigid member and forming a space for storing the cold case 20, and these opening frames 31.
The bottom part 32 is formed of a foldable member which is pivotably connected to the long sides of the bottom part 32 with a pin 33, and whose free ends are connected with a pin 34, and which can be folded into two in the vertical direction. long side wall 35
and a short side wall 36 formed of a folding member that is pivotably connected to the short side of the opening frame 31 with a pin (not shown). When the container main body 10 configured as described above is not in use, as shown in FIG. The short side wall 36 is folded into a stacked state on top of the short side wall 36. Further, when in use, by pulling up the opening frame 31 and pressing down the short side walls 36 from the inside to the outside, both long side walls 35 are formed into an elongated box shape.

On the other hand, as shown in FIG. 4, the cold storage case 20 has a bottom surface 21 that can be folded together, a pair of long side walls 22 and a short side wall 23, and is connected to the top side of one of the long side walls 22, and when folded, it faces inward. It is formed into a hexahedron consisting of a lid body 24 that can be opened and closed by folding.

In addition, as shown in FIG. 5, the cold storage case 20 has an aluminum layer 42 having a light-shielding property such as aluminum foil on the inner surface of a waterproof/protective polyethylene or polyester sheet 41 located on the outer surface.
are laminated by vapor deposition or the like, and a reinforcing fabric layer 44 such as a nonwoven fabric is bonded to the surface of the aluminum layer 42 through a heat-sensitive adhesive itself or a polyethylene or polyester film 43 that is bonded separately. It has a heat insulating structure in which a soft polyethylene foam layer 45 having heat insulating properties is laminated on the inner surface of the layer 44 via an adhesive polyethylene or polyester film 43, which is sewn in two layers.

FIG. 6 shows another form of the container body 10 according to this invention, in which two opposing surfaces and a surface adjacent to one of them are formed of rigid members. That is, the container main body 10 is interposed between a pair of long side walls 35, 35 formed of a plate-shaped rigid member, and short side walls 36, 36 formed of a folding member that can be folded horizontally via a hinge 37. The bottom part 3 is connected to the lower side of one long side wall 35 and is formed of a shallow box-shaped rigid member via a pin 38.
2 are pivotally connected, and when assembled, the long side wall 3
5, 35 can be assembled by standing up from the upper surface of the bottom part 32 and spreading them to the left and right. Also, when not in use, the short side walls 36, 3 can be installed inside the long side walls 35, 35.
6 is folded, the long side walls 35, 35 are attached to the bottom part 3.
It is pressed above 2 and folded.

Although FIG. 6 describes a case where the bottom portion 32 is formed on the surface adjacent to one of the long side walls 35 to house the cold storage case 20, this structure is not necessarily required. The cold storage case 20 is formed by forming 35 with a shallow box-shaped rigid member.
may be stored.

Figures 7a and b show the cold storage case 2 in this design.
This shows another folding form of 0, in which a lid body 25 is connected to the top side of the short side wall 23 so as to be openable and closable.

FIG. 8 shows a second embodiment of this invention, in which the container body 10 and the cold storage case 20 are securely connected. That is, the bottom part 32 of the container body 10
Planar locking bands 50 that engage with each other are attached to appropriate positions on the inner surface of the cooling case 20 and at appropriate positions on the outer surface of the bottom surface 21 of the cold insulating case 20, and these planar locking bands 50 are engaged at the time of assembly. This is a case in which the cold storage case 20 can be reliably disposed within the container body 10. In this case, planar locking bands 50 are similarly attached to the inner surfaces of the long side wall 35 and short side wall 36 of the container body 10 and the outer surfaces of the long side and short side walls 22 and 23 of the cold storage case 20, and further It is also possible to provide firm fixation.

In the refrigerated container of this invention configured as described above, when transporting objects to be refrigerated, the container body 10 and the refrigerated case 20 are successively assembled to form a box shape, and then the objects to be refrigerated are stored. It can be used for transportation. in this way,
Since the cold storage case 20 is protected by the container body 10, there is no risk of deformation or damage during transportation. In addition, when not in use, a cold storage case 20 is placed inside the bottom 32 of the folded container body 10.
can be accommodated, so the whole can be folded compactly, making storage and handling convenient.

[Effects of the invention] As explained above, the refrigerated container of this invention is composed of a collapsible container main body, a foldable heat insulating sheet-like refrigerant case disposed inside the container main body, The container body,
At least two opposing surfaces and a surface adjacent to one of the opposing surfaces are made of a rigid member, and a folding member that is folded into the rigid member when not in use is connected between these rigid members. In addition, since one of the rigid members is formed into a box shape having a space for accommodating the cold case when folded, the following effects can be obtained.

1. The cold storage case can be stored in the bottom of the container body without any hindrance to the assembly and folding operations of the container body.

2 The whole can be made compact, so
It is particularly advantageous in handling and storage when not in use.

3. Since the cold storage cases are protected by the container body, they can be stacked while maintaining their shape during assembly and transportation, improving distribution efficiency.

4. Since the two opposing surfaces constituting the container body are formed of rigid members, it has strength during use and when not in use, and can improve durability.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional perspective view of the first embodiment of the refrigerated container of this invention in a usage state, Fig. 2 is a cross-sectional perspective view when the container is folded, and Fig. 3 is a perspective view of the container body in the first embodiment. Figures 4a and b are perspective views of the cold storage case in the first embodiment when folded and in use, respectively, Figure 5 is an enlarged sectional view of the cold storage case in this invention, and Figure 6 is another view of the container body in this invention. FIGS. 7a and 7b are perspective views of another form of the cold storage case 20 of this invention when folded and in use, and FIG. 8 is a cross-sectional view of the second embodiment of this invention when in use. figure,
FIGS. 9 and 10 are perspective views showing the state of use of a conventional cold storage container, respectively. Description of symbols, 10...Container body, 20...Cool case, 21...Bottom surface, 22...Long side wall, 23
... Short side wall, 24, 25 ... Lid body, 31 ... Opening frame, 32 ... Bottom, 35 ... Long side wall, 36 ... Short side wall, 50 ... Planar locking band.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) A foldable refrigerated container consisting of a collapsible container body and a foldable and flexible heat-insulating sheet-like cold case disposed within the container body, The main body has two opposing surfaces and a surface adjacent to one of the opposing surfaces, at least two of which are formed of rigid members, and there is a space between these rigid members that is folded into the rigid member when not in use. 1. A foldable cold storage container, characterized in that folding members are connected to each other, and one of the rigid members is formed into a box shape having a space for accommodating the cold storage case when folded. (2) The foldable refrigerated container according to claim 1, wherein the rigid member is a rectangular opening frame. (3) The foldable refrigerated container according to claim 1, wherein the rigid member is a plate-like member.