JP5437697B2 - Shipping container - Google Patents

Description

  The present invention relates to a transport container that is mainly used for transporting articles and can be stored compactly when not in use.

  2. Description of the Related Art Transport containers that are mainly used for transporting articles and can be stored compactly when not in use are widely used. For example, in Patent Document 1, an upper peripheral frame, a bottom plate, a bendable side plate that is rotatably connected to the upper peripheral frame and the bottom plate, and a pivotable connection to the upper peripheral frame. In addition, a bottom plate and a side plate that is in contact with the bottom plate and supports the side plate are provided, and the side plate is in an extended state and is assembled by bringing the plate into contact with the bottom plate and the side plate. Shown is a transport container (synthetic resin folding container) configured to be folded by folding the side plate in a disconnected state.

JP-A-6-99975

However, this type of transport container is provided with a shaft portion and a bearing portion at the connecting portion of each member, and the shaft portion and the bearing portion are connected to each other so that the connecting portion of each member can be bent. The structure was complicated.
Further, in this type of transport container, the connecting portion of the bottom plate and the side plate is located at the corner of the accommodation space and always maintains the connected state, so that not only the dirt is easily collected but also the collected dirt is difficult to remove. There was a problem.
Further, in this type of transport container, since the bottom plate and the side plate are formed of a single layer plate made of a synthetic resin, it is difficult not only to reduce the weight, but also the container itself is difficult to have a heat retaining function and a cold retaining function. It was.

  The present invention has been considered in view of the above circumstances, and is mainly used for transportation of articles, and can be stored compactly when not in use. It is an object of the present invention to provide a transport container that can easily remove dirt accumulated in the connecting portion of the side plates, and further can be provided with a cold insulation function and a thermal insulation function while reducing the weight.

In order to achieve the above object, a transport container according to the present invention is a transport container having a box-shaped storage unit in which articles are stored, and includes a base that forms a bottom surface of the storage unit, and a side surface of the storage unit. A side plate to be formed, and the side plate is made of a synthetic resin hollow plate formed by laminating a flat exterior material on both front and back surfaces of a core material subjected to a three-dimensional process for forming a hollow structure. A lower end is fitted to the base to maintain an upright posture, and when not in use, is separated from the base and is retracted by disassembly and / or folding, and the base is opposed to one of the bases. The lower end portion of the side plate can be slidably fitted from the horizontal direction so as to be along the two sides, and a fitting portion is provided that restricts the fitted side plate from being pulled upward. The other opposite of the base The position along the side, projecting portion for restricting the exit of the horizontal mated the side plates into the fitting portion is a configuration provided.

According to the present invention, although it is a transport container that is mainly used for transporting articles and can be stored compactly when not in use, not only the structure is not complicated, but also dirt accumulated in the connection part between the base and the side plate. Can be easily removed, and further, it is possible to provide a cold insulation function and a thermal insulation function while reducing the weight. In particular, by providing the base with a protrusion that regulates the horizontal displacement of the side plate fitted to the fitting portion, the lower end of the side plate is slid from the horizontal direction to the base, It is possible to reliably prevent the side plate fitted to the base from coming off in the horizontal direction.

It is a perspective view which shows the outline of embodiment of the transport container which concerns on this invention. It is sectional drawing which shows the outline of embodiment of the transport container which concerns on this invention. It is a perspective view which shows the example of a hollow plate. It is explanatory drawing which shows the bending structure of a hollow plate. It is a disassembled perspective view of embodiment of the transport container which concerns on this invention. It is explanatory drawing which shows the fitting part of a base. It is explanatory drawing which shows the protrusion part of a base. It is explanatory drawing which shows the structure of a base. It is explanatory drawing which shows the modification of a side plate. It is explanatory drawing which shows the other example of a transport container. It is a fragmentary sectional view showing other examples of a transportation container.

[Outline of transport container]
Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view illustrating an outline of a transport container according to the present embodiment, FIG. 2 is a cross-sectional view illustrating an overview of the transport container according to the present embodiment, and FIG. 3 illustrates an example of a hollow plate according to the present embodiment. A perspective view and FIG. 4 are explanatory views showing the folding structure of the hollow plate in the present embodiment.

  As shown in these drawings, the transport container 1 according to the present embodiment has a box-shaped storage portion S in which articles are stored, and includes a base 10 that forms a bottom surface portion of the storage portion S, and a storage The side plate 20 that forms the side surface portion of the portion S and the lid 30 that covers the upper opening of the housing portion S are provided.

  The side plate 20 is made of a synthetic resin hollow plate 2 in which a flat outer packaging material 22 is laminated on both front and back surfaces of a core material 21 subjected to a three-dimensional processing for forming a hollow structure. It is fitted to the base 10 to maintain an upright posture, and when not in use, it is separated from the base 10 and brought into a retracted posture by disassembly and / or folding.

  According to such a transport container 1, by using the side plate 20 as the synthetic resin hollow plate 2, the transport container 1 can be provided with a cold insulation function and a heat insulation function while reducing the weight. Further, since the base 10 and the side plate 20 are connected by fitting, the structure can be simplified as compared with a connecting structure having a shaft portion and a bearing portion. Further, when not in use, the side plate 20 is separated from the base 10 to be in the retracted posture, so that dirt accumulated in the connecting portion between the base 10 and the side plate 20 can be easily removed. It is kept clean and can be suitably used for transporting foods and the like.

  The base 10, the side plate 20, and the lid 30 are all made of synthetic resin. Specific examples of the material include polyolefin resins such as polypropylene and polyethylene, polystyrene resins such as polystyrene, polyester resins such as polyethylene terephthalate, and polyamide resins such as nylon.

[Hollow plate]
As the form of the hollow plate 2, as shown in FIG. 3, a flat exterior material 22 (back) is formed on both front and back surfaces of a core material (cap sheet) 21 on which a large number of protrusions (caps) bulging in a hollow shape are formed. In addition to the plastic bubble board obtained by laminating the sheet 22a and the liner sheet 22b), the plastic corrugated board obtained by laminating the flat outer packaging material on both the front and back surfaces of the corrugated core material, and the core on which a large number of honeycombs are formed. A plastic honeycomb board formed by laminating a flat outer packaging material on both front and back surfaces of the material can be exemplified.

  The hollow plate 2 is manufactured by laminating flat plate-shaped exterior materials 22 on both front and back surfaces of a core material 21 that has been subjected to solid processing for forming a hollow structure. For this reason, the end face is open to the outside, and it is considered that foreign matters such as water and dust may enter the inside. Therefore, in applications that do not like the entry of foreign matter, it is preferable to prevent the entry of foreign matter by sealing the end face of the hollow plate 2 with a sealing material.

  As a sealing material for sealing the end face of the hollow plate 2, a synthetic resin material that can be bonded to the end face of the hollow plate 2 by heat fusion and can reliably seal the end face of the hollow plate 2 is preferable. For example, a synthetic resin tape member 23 as shown in FIG. 3A and synthetic resin fitting members 24 and 25 as shown in FIGS. 3B and 3C can be exemplified. The fitting members 24 and 25 shown in FIGS. 3B and 3C are slidable from each other in the longitudinal direction, and in the fitted state, the disconnection in the direction orthogonal to the longitudinal direction is restricted. Fitting portions 24a and 25a.

  The hollow plate 2 can be formed with a foldable portion 26 that can be bent. For example, if a V-shaped cut is formed on one surface of the hollow plate 2 as shown in FIG. 4 (a), the exterior material forming the other surface as shown in FIG. 4 (b). A bent portion 26 that can be bent using the hinge 22 as a hinge is obtained. Moreover, according to the hollow plate 2 having such a bent portion 26, it can be folded and stored compactly as shown in FIG.

[Side board]
FIG. 5 is an exploded perspective view of the transport container according to the embodiment of the present invention.
As shown in this figure, the side plate 20 of the present embodiment has a pair of long side plate portions 27 that form rectangular long sides and a rectangular short side when forming the side surface portion of the accommodating portion S whose planar shape is rectangular. A pair of short side plate portions 28 that form sides and a plurality of bent portions 26 that are foldably connected to each other are provided in a series, and one short side plate portion 28 is divided at an intermediate position. The side plate 20 can be expanded or compactly folded.
That is, in the transport container 1 of the present embodiment, since all the side surface portions of the storage portion S are formed by a single foldable side plate 20, the number of parts of the transport container 1 is reduced and the transport container 1 Easy assembly and storage.

[base]
6 (a) to 6 (c) are explanatory views showing the fitting portion of the base, FIGS. 7 (a) and 7 (b) are explanatory views showing the protrusions of the base, and FIGS. 8 (a) and 8 (b). These are explanatory drawings showing the structure of the base.
As shown in these drawings, the base 10 includes a fitting portion 11 into which the lower end portion of the side plate 20 is fitted. The base 10 of the present embodiment has a rectangular planar shape, and two rows of fitting portions 11 are formed along the long side. Each fitting portion 11 is configured so that the lower end portion of the side plate 20 can be fitted in a slide shape from the horizontal direction, and the upward slipping of the fitted side plate 20 is restricted.

For example, in the present embodiment, as shown in FIG. 6A, a fitting member 24 is provided on the lower end surface of the side plate 20 (long side plate portion 27), and this fitting member 24 is used as the fitting portion 11 of the base 10. The formed fitting groove 12 is slidably fitted from the horizontal direction, and the protruding engaging portion 13 provided on the upper edge portion of the fitting groove 12 is fitted to the fitting portion 24a (necked) of the fitting member 24. By engaging with the portion), the upward detachment of the fitted side plate 20 is restricted.
If it does in this way, although it is the structure which connects the base 10 and the side plate 20 by fitting, it can prevent reliably that the side plate 20 fitted to the base 10 is pulled upward.
In addition, as shown to FIG.6 (b) and (c), the engaging part 13 can be formed in multiple numbers in the upper edge part of the fitting groove 12 with a predetermined space | interval. At this time, the positional relationship with the engaging portion 13 formed on the opposing upper edge may be shifted alternately as shown in FIG. 6B, or as shown in FIG. You may make it face each other.

Further, the base 10 is provided with a protrusion 14 that regulates the horizontal plate 20 fitted in the fitting portion 11 from coming off in the horizontal direction. For example, in the present embodiment, as shown in FIG. 7, a plurality of protrusions 14 on which the lower end portion of the side plate 20 (short side plate portion 28) can get over are provided at positions along the short side of the base 10. By engaging the portion 14 with the lower end portion of the side plate 20, the horizontal displacement of the side plate 20 is restricted.
In this manner, the side plate 20 fitted to the base 10 can be reliably prevented from coming off in the horizontal direction, although the base 10 and the side plate 20 are connected by fitting.

The base 10 is formed by vertically superposing a plurality of synthetic resin sheets 15 and 16 that have been subjected to three-dimensional processing. Here, the plurality of synthetic resin sheets 15 and 16 stacked one above the other may be joined only by partial fusion as shown in FIG. 8A, or as shown in FIG. 8B. Thus, you may join by combined use of fusion and fitting.
If it does in this way, weight reduction of the base 10 can be achieved, ensuring the intensity | strength required for the base 10. FIG.

[lid]
As shown in FIG. 2, the lid 30 is configured to fit over the upper end portion of the side plate 20 and cover the upper opening of the housing portion S. For example, the fitting part 31 is formed along the four sides of the lid 30 having a rectangular planar shape, and the downward fitting groove 32 formed in the fitting part 31 is fitted to the upper end part of the side plate 20. The upper opening of the housing part S is covered.
If it does in this way, the intensity | strength and airtightness of the transport container 1 in an assembly state can be improved.
The lid 30 can be formed of a member equivalent to the synthetic resin sheet 15 used for the base 10. In particular, when the sheet is shared with the synthetic resin sheet 15 used for the base 10, the required number of molds is reduced, and the manufacturing cost can be reduced.

[Assembly procedure of transport container]
Next, a procedure for assembling the transport container 1 will be described with reference to the drawings.

When assembling the transport container 1, first, the lower end portion (fitting member 24) of the long side plate portion 27 included in the side plate 20 is fitted to the fitting portion 11 of the base 10 in a sliding manner from the horizontal direction. Since the side plate 20 of the present embodiment includes a pair of long side plate portions 27 in a series, as shown in FIG. 5, the pair of long side plate portions 27 of the side plate 20 with respect to the pair of fitting portions 11 of the base 10. Need to be fitted simultaneously from the same direction.
When the fitting operation is finished, the side plate 20 is restricted from being pulled out upward by the fitting portion 11, and is also prevented from being pulled out in the horizontal direction by the engagement between the projecting portion 14 and the short side plate portion 28. Is done.
Next, the short side plate portion 28 in the opened state is closed. At this time, the short side plate portion 28 is engaged with the protruding portion 14 and the closed state is maintained.
Thereafter, when the lid 30 is fitted to the upper end portion of the side plate 20, the assembled state shown in FIG.

[Modification of side plate]
FIGS. 9A to 9E are explanatory views showing modifications of the side plate.
The side plate 20 is not limited to that shown in FIG. 5 and can be arbitrarily deformed.
For example, the side plate 20A shown in FIG. 9 (a) is different from the side plate 20 shown in FIG. 5 in that one short side plate portion 28 is opened and closed in a single-open manner without opening and closing in a double-opening manner. Yes.

  Further, the side plates 20B and 20C shown in FIGS. 9B and 9C are not constituted by one piece, but are divided into two at an intermediate position of the long side plate portion 27 and the like. 11 is different from the side plate 20 shown in FIG.

  Further, the side plate 20D shown in FIG. 9D is different from the side plate 20 shown in FIG. 5 in that one short side plate portion 28 is separated. A fitting member 24 is provided on both side end surfaces of the separated short side plate portion 28, while a fitting member 25 is provided on a side end surface of the long side plate portion 27 adjacent to the separated short side plate portion 28 in the assembled state. The separated short side plate portion 28 is made to slide with respect to the long side plate portion 27 by fitting the fitting member 24 of the separated short side plate portion 28 into the fitting member 25 of the long side plate portion 27 slidably from above. Are connected.

  Further, the side plate 20E shown in FIG. 9 (e) is different from the side plate 20 shown in FIG. 5 in that both the pair of long side plate portions 27 and the pair of short side plate portions 28 are separated. The fitting members 24 are provided on both side end surfaces of the short side plate portion 28, while the fitting members 25 are provided on both side end surfaces of the long side plate portion 27, and the fitting members 24 of the short side plate portion 28 are The short side plate portion 28 is connected to the long side plate portion 27 by fitting the fitting member 25 of the long side plate portion 27 in a slide shape from above.

  According to the transport container 1 of the present embodiment configured as described above, the transport container 1 has a box-shaped storage unit S in which articles are stored, and the base 10 that forms the bottom surface of the storage unit S and The side plate 20 that forms the side surface portion of the housing portion S, and the side plate 20 is formed by laminating flat plate-like exterior materials 22 on both front and back surfaces of the core material 21 that has been subjected to three-dimensional processing to form a hollow structure. It consists of a hollow plate 2 made of synthetic resin. When used, the lower end is fitted to the base 10 to maintain an upright posture, and when not in use, it is separated from the base 10 and taken into a retracted posture by disassembly and / or folding. Therefore, by using the side plate 20 as the synthetic resin hollow plate 2, the transport container 1 can be reduced in weight while being provided with a cold insulation function and a heat insulation function. Further, since the base 10 and the side plate 20 are connected by fitting, the structure can be simplified as compared with a connecting structure having a shaft portion and a bearing portion. Further, when not in use, the side plate 20 is separated from the base 10 to be in the retracted posture, so that dirt accumulated in the connecting portion between the base 10 and the side plate 20 can be easily removed. It is kept clean and can be suitably used for transporting foods and the like.

  In addition, the base 10 includes a fitting portion 11 that can slide the lower end portion of the side plate 20 in a slidable manner from the horizontal direction, and restricts the fitting of the fitted side plate 20 upward. Although the side plate 20 is structured to be connected by fitting, the side plate 20 fitted to the base 10 can be reliably prevented from coming off upward.

  In addition, since the base 10 includes the protrusion 14 that restricts the side plate from coming off in the horizontal direction, the base 10 and the side plate 20 are connected to each other by fitting, and the side plate 20 fitted to the base 10 is horizontally connected. It is possible to reliably prevent the direction from coming off.

  Further, since the base 10 is formed by vertically superposing a plurality of synthetic resin sheets 15 and 16 subjected to three-dimensional processing, the base 10 can be reduced in weight while ensuring the necessary strength. .

  Moreover, since all the side parts of the accommodating part S are formed by one foldable side plate 20, the number of parts of the transport container 1 is reduced, and the assembling work and the storing work of the transport container 1 are facilitated.

  Moreover, since the transport container 1 is provided with the lid | cover 30 which fits the upper end part of the side plate 20, and covers the upper opening of the accommodating part S, the intensity | strength and sealing performance of the transport container 1 in an assembly state can be improved.

  Although the present invention has been described with reference to the preferred embodiment, it is needless to say that the present invention is not limited to the above-described embodiment, and various modifications can be made within the scope of the present invention. .

  For example, a caster 17 may be provided on one end side of the base 10A as in the transport container 1A shown in FIGS. According to such a transport container 1A, the transport container 1A can be easily moved by using the rolling of the caster 17 by tilting the transport container 1A toward the caster 17 side.

  INDUSTRIAL APPLICABILITY The present invention can be applied to a transport container that is mainly used for transporting articles and can be stored compactly when not in use. It can be suitably used as a transport container for food.

DESCRIPTION OF SYMBOLS 1 Transport container 2 Hollow plate 10 Base 11 Fitting part 14 Protrusion part 15 Synthetic resin sheet 16 Synthetic resin sheet 20 Side plate 21 Core material 22 Exterior material 30 Lid S Housing part

Claims (5)

A transport container having a box-shaped storage unit in which articles are stored,
A base forming a bottom surface portion of the housing portion;
A side plate forming a side surface portion of the housing portion,
The side plate is
It consists of a synthetic resin hollow plate made by laminating a flat exterior material on both the front and back surfaces of a core material that has been subjected to three-dimensional processing to form a hollow structure. Maintaining the posture, when not in use, separated from the base and taken into a retracted posture by disassembly and / or folding ,
The base includes
A fitting portion that can slide the lower end portion of the side plate in a slidable manner from the horizontal direction along the two opposing sides of the base, and restricts the fitting of the fitted side plate upward. together is provided, at a position along the two sides other opposing the base, that you have protrusions provided for regulating the escape of the horizontal mated the side plates into the fitting portion Characteristic transport container. Wherein the base is, the transport container according to claim 1, further comprising a protrusion for restricting the exit of the horizontal direction of the side plate. The transport container according to any one of claims 1 to 2 , wherein the base is formed by vertically superposing a plurality of synthetic resin sheets subjected to three-dimensional processing. The transport container according to any one of claims 1 to 3 , wherein all side portions of the housing portion are formed of a single foldable side plate. The transport container as described in any one of Claims 1-4 provided with the lid | cover which fits the upper end part of the said side plate, and covers the upper opening of the said accommodating part.

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