JPH101134A - Collapsible packing container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To collapse a packing container to make it bulkless when it is not used to contain an article, by providing a rectangular bottom plate, projected sides oppositely erected at both edges of the longer sides of the bottom plate, and side plates pivotted at both ends of the projected sides near the shorter sides of the bottom plate respectively and oppositely arranged so as to be collapsible on the upper face of the bottom plate. SOLUTION: This packaging container is provided with a rectangular bottom plate 2 and a pair of side plates 3, 3. Projected sides 4, 4 are erected at both edges of the longer sides of the bottom plate 2. The side plates 3, 3 are rotatably pivotted to the bearings 5, 5 provided at both ends of the projected sides 4, 4. In this time, the height of the projection sides 4 is formed lower than the article to be packaged and the side plates 3 are formed higher than the article. Such protrusions and recessions 6, 6 that they are mutually fitted when both side plates 3 are superposed, are provided at respective side plates 3. In this way, an article can be contained in the space surrounded by the bottom plate 2 and the side plates 3, 3 in the state both side plates are erected and transported and kept therein. The packaging containers 1 can be stacked in the state the bottom face of the bottom plate 2 is put on the upper edge of the side walls 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a foldable packaging container, and more particularly to a foldable packaging container suitable for storing, storing, transporting, transporting and displaying various articles.

[0002]

2. Description of the Related Art One or more side walls of a container body having an upper opening as a packaging container for storing, transporting, storing, and displaying various articles. There are known windows provided with a window through which stored items can be taken in and out, in which a horizontal rail is bridged so as to be able to move up and down, and an opening above the container including the window is closed with a lid. Have been.

[0003] However, such a packaging container is suitable for transportation, storage and display in a state where the articles are stored, but does not store the articles because the container body and the lid cannot be folded. There is a disadvantage that the occupied volume of the packaging container is large even in an empty state.

There is also known a storage container in which a tray-shaped container main body on which a storage object is placed is covered with a foldable lid. This storage container can reduce the occupied volume when the articles are not stored, because the container body is tray-shaped and the lid can be folded, but if the exhibition is performed in a stacked state, Since the container body containing the articles is placed directly on the articles in the container body after removing the body, it is extremely difficult to remove the articles from the packaging container located below. In addition, articles are limited to those having high rigidity.

[0005] Therefore, the present invention is capable of transporting, storing, and displaying articles in a state where they are stored, as well as being able to be folded small when not storing articles, and further stacking packaging containers with the lid removed. In this case, it is an object of the present invention to provide a foldable packaging container that can easily take out the contents in a packaging container located below.

[0006]

To achieve the above object, a foldable packaging container according to the present invention comprises a rectangular bottom plate,
The bottom plate has at least two protruding sides that are equal to or less than the height of the stowage that is erected on both sides of the long side, and both ends of the protruding sides near the short side of the bottom plate. And a side plate having a height equal to or greater than the height of the storage object disposed opposite to the side wall.

[0007] The present invention also provides that the short side protruding side connected to the protruding side of the long side both side edges is erected at both short side edges of the bottom plate. When the side plates are folded on the upper surface of the bottom plate and the two side plates are superimposed on each other, irregular shapes are formed to fit each other.

Further, the foldable packaging container of the present invention is provided with a lid body capable of closing an upper opening of the container body composed of the bottom plate, a pair of protrusions and a pair of side plates, and openings on both sides above the protrusion. It is characterized in that, this lid body, a pair of opposing lid long side side plate, and each rotatably attached to both side edges of the lid long side side plate, and, in the center vertical direction Formed by a pair of lid side short side folding side plates connected inwardly at the connection part and a lid top plate rotatably provided on the upper edge of at least one of the lid long side side plates. Or a sheet having an area on the outer surface for displaying items related to the storage items and having an area capable of closing the upper opening and the opening on both sides.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to the drawings. 1 to 7 show an example of the foldable packaging container of the present invention. FIG. 1 is a perspective view and FIG.
3 is a partial cross-sectional front view, FIG. 3 is a partial cross-sectional plan view, FIG. 4 is a perspective view showing a state of being folded, FIG. 5 is a cross-sectional front view of the folded state, and FIG. 6 is a cross-sectional view taken along line VI-VI of FIG. FIG. 7 is a perspective view showing a stacked state. 8 and 9 show an example of the lid, FIG. 8 is a perspective view, and FIG. 9 is a perspective view showing a folded state. 10 and 11 show a second embodiment of the lid, wherein FIG. 10 is a perspective view and FIG. 11 is a side view. 12 and 13 show a third embodiment of the lid, FIG. 12 is a perspective view, and FIG. 13 is a cross-sectional plan view of a main part. FIG.
FIG. 4 is a perspective view showing a fourth embodiment of the lid. 15 to 18 show a second embodiment of the lock mechanism in the foldable packaging container of the present invention. FIG. 15 is a partially sectional front view, FIG. 16 is a sectional view taken along line XVI-XVI of FIG. 17 is an exploded perspective view of a main part as viewed from inside the container, and FIG. 18 is an exploded perspective view of a main part as viewed from the outside of the container, showing a modification.

First, in FIGS. 1 to 7, a foldable packaging container 1 is made of a synthetic resin, for example, polypropylene, polyethylene or the like, and has a rectangular bottom plate 2.
And a pair of side plates 3 and 3 attached to the bottom plate 2. Protrusions 4, 4 are erected at opposite long edges of the bottom plate 2, and the side plates 3, 3 are both end portions of the protrusions 4, that is, both ends of the bottom plate 2. Protruding edge 4 near the short side
The bottom plate 2 is rotatably mounted only on the upper surface of the bottom plate 2 by the shaft mounting portions 5 and 5 provided on the bottom plate 4.

The height of the protruding side 4 is sufficiently lower than the height of the stored items, and is set, for example, to 1/3 to 1/5 of the height of the stored items. The side plate 3 is formed to be the same height as or slightly higher than the height of the storage items, and is folded when the side plates 3 and 3 are turned on the upper surface of the bottom plate 2 to be folded and the side plates 3 and 3 are overlapped. Are formed in an uneven shape provided with uneven portions 6, 6 which can be fitted to each other. Further, the side plate 3 is provided with a handle 7 serving as a clue when the foldable packaging container 1 is transported by hand.

The shaft attachment portions 5, 5 are formed so that a shaft 5b provided on the side plate 3 is fitted into a vertically long groove 5a provided on the protruding side 4 so that the shaft 5b can move up and down. As shown in FIG. 5, both side plates 3 when folded can be superimposed substantially in parallel. In the vicinity of the shaft attaching portion 5, a lock portion 8 including a concave portion 8a provided on the protruding side 4 and a projection 8b provided on the side plate 3 is provided.
Can be fixed at a predetermined position.

The foldable packaging container 1 thus formed
As shown in FIG. 1 to FIG. 3, goods are stored, transported, stored and displayed in a portion surrounded by the bottom plate 2 and the side plates 3 and 3 with both side plates 3 and 3 standing. So, Figure 7
As shown in (2), when a plurality of foldable packaging containers 1 are stacked, the bottom surface of the bottom plate 2 is placed on the upper edge of the side wall 3.

Therefore, even if a plurality of foldable packaging containers 1 are stacked in a state in which the articles are stored, no load is applied to the articles and the articles are not damaged. There is no problem at all even if they are stacked in a state where they are stored. In addition, since the upper part of the protruding side 4 between the side plates 3 and 3 is opened in the stacked state, it is possible to easily take out the articles in the foldable packaging container 1 located below. Further, since the lock portion 8 for fixing the side plate 3 is provided, the box shape can be maintained in a stable state.

Further, by forming the concave and convex portions 6 on the side plate 3 and forming the concave and convex portions, the strength of the side plate 3 can be improved. There is no hindrance when folding 3. Further, by appropriately setting the shape of the uneven portion 6, it can be used as a partition for stored items.

The foldable wrapping container 1 in which no articles are stored is folded and folded by rotating both side plates 3 and 3 on the upper surface of the bottom plate 2 as shown in FIGS.
The occupied volume of the empty container can be reduced. In particular, by setting the shapes of the side plates 3 and 3 so that the protruding side 4 is higher than the height of the folded side plates 3 and 3, the folded empty containers can be stably stacked.

One of the shaft attachment portions 5 of the side plate 3 may be at a low position and the other is at a high position in accordance with the position of the side plate 3 at the time of folding. Further, the shaft 5b may be formed integrally with the side plate 3, or a separate removable member may be provided so as to penetrate the protruding side 4. Further, the handle 7 may be a through-hole penetrating the side plate 3, or may be formed in a concave shape in which the inner side of the container is closed if airtightness is desired.

Such a foldable packaging container 1 can be used as it is in the above-mentioned shape, but is preferably covered with a lid to protect the stored articles. It is desirable that the lid has a shape capable of closing at least the upper opening of the foldable packaging container 1 and the openings on both sides of the upper part of the protruding side 4.

The lid 11 shown in FIGS. 8 and 9 is a box-shaped one corresponding to the outer shape of the foldable packaging container 1, and a pair of long sides of the lid corresponding to the long side of the foldable packaging container 1. A pair of side plates 12, 12, which are rotatably attached to both side edges of the lid long side plate 12, and are connected inwardly and bendable by a connecting portion 13 in a central vertical direction. Lid top plate 15 rotatably provided on the upper edge of one of the lid side short side folding side plates 14a and 14b and one lid long side side plate 12
As shown in FIG. 8, it is used so as to cover from above the foldable packaging container 1.

At the lower end of the cover long side plate 12,
An engaging piece 17 is provided which can be engaged with an engaging portion 16 provided on the protruding side 4 of the foldable packaging container 1. When the foldable packaging container 1 is covered with the lid 11, the engaging piece 17 is By pushing inward to engage the engagement piece 17 with the engagement portion 16,
The lid 11 can be fixed to the container. When the container is transported with the lid 11 attached, the handle through hole 1 provided in the lid short side folding side plates 14a and 14b of the lid 11 is provided.
If the user places the hand on the handle 7 through the handle 8, the foldable packaging container 1 does not fall out of the lid 11.
When removing the lid 11, the engagement piece 17 may be pulled out and lifted upward.

By attaching such a lid 11, it is possible to prevent damage to the articles and dust during transportation and storage. For display at a store, simply remove the lid 11 in the same manner as described above. It can be carried out. Also, the removed lid 11
As shown in FIG. 9, the lid can be folded small by turning the lid top plate 15 outward and folding the lid short side folding side plates 14a and 14b inward, so that the removed lid The occupied volume of the body 11 can also be reduced, and can be separately stored or transported for reuse in this state, and stored integrally with the folded foldable packaging container 1 in a folded state. , Can also be transported.

The hinge connecting the lid top plate 15 and one of the lid long side side plates 12 is provided by rotating the lid top plate 15 to a position along the outer surface of the lid long side side plate 12. For example, a hinge having such a structure as a double hinge may be used. Further, an appropriate locking mechanism can be provided between the tip of the lid top plate 15 and the upper edge of the other lid long side plate 12, but the whole is bound with the lid 11 attached. In this case, the lock mechanism may be omitted, and the engagement piece 17 and the engagement portion 16 may be omitted. Further, the storage of the articles in the foldable packaging container 1 may be performed before the cover 11 is attached, or may be performed in a state where the cover 11 is attached and the cover top plate 15 is opened. Good.

The lid 21 shown in FIGS. 10 and 11 is made of one sheet formed so as to cover the upper opening of the foldable packaging container 1 and the opening from both sides to the bottom. The container 21a and 21b are bonded to each other to form a tubular shape, thereby covering the stored items. Such a sheet-shaped lid 21 is cut off at the time of display, removal of an article, and the like, and is not reused in principle. It is preferable to provide a display unit for displaying the name of the article, the description of the content, etc., and display the name of the article or the like by printing or the like.

The lid 31 shown in FIG. 12 is formed of a U-shaped sheet that covers the upper opening and the opening on both sides of the foldable packaging container 1.
Is formed so as to cover the opening by adhering to the opening. As this sheet, a sheet having a display portion on the outer surface can be used as described above.

When the lid 31 is used, bonding edges 32 for bonding the lid 31 are provided at both end edges of the side plate 3 in order to securely attach the lid 31 to the foldable packaging container 1. It is desirable to keep.

Further, the lid 41 shown in FIG. 14 is made of a shrinkable synthetic resin sheet or the like, and is folded inside a shrinkable sheet formed in a cylindrical shape larger than the foldable package 1. Is inserted, the sheet is shrunk to cover the foldable packaging container 1. At this time, only the both ends of the tubular sheet may be shrunk, but the entire sheet may be formed of a heat-shrinkable synthetic resin or the like, and the entire sheet may be shrunk to wrap the foldable packaging container 1. .

When these sheet-shaped lids are used, the container can be easily transported by opening the handle 7 of the side plate 3. Also,
A transparent sheet can be used depending on the properties of the articles to be stored.

FIGS. 15 to 18 show another embodiment of the lock mechanism of the side plate 3 in the foldable packaging container 1 formed in the same manner as described above. The lock portion 8 formed by the concave portion 8a and the projection 8b is more reliable. An example of a lock mechanism formed to lock the side plate 3 is shown.

This locking mechanism comprises an elastic locking piece 51 provided near the shaft attachment portion 5 of the side plate 3 and an inclined projection 52 provided inside the protruding side 4.
Is provided at a position where the elastic locking piece 51 is locked when the side plate 3 is erected, and is formed by a slope continuous from the inner surface of the protruding piece 4 to the locking end 52a. Further, a through hole 53 is provided at a position corresponding to the elastic locking piece 51 in the locked state.

The elastic locking piece 51 has a locking portion 5 except for a base portion.
1a, a U-shaped cut portion 51b is formed on three sides, and the locking portion 51a is formed so as to be elastically deformable. It is formed so that the locked state with the projection 52 can be released.

At both short sides of the bottom plate 2, short side protruding sides 54 connected to the protruding sides 4 of the long side both sides are provided upright. A box-shaped reinforcing portion 55 for supporting the lower end portion of the side plate 3 is provided. The box-shaped reinforcing portion 55 reinforces the corners of the foldable packaging container 1 and regulates the rising position of the side plate 3 to prevent the container from falling outward. . Further, a box-shaped reinforcing portion 56 is provided near the shaft attachment portion 5 of the side plate 3.

The lock mechanism formed as described above, when the folded side plate 3 is rotated to rise to the short side of the bottom plate,
When the elastic locking piece 51 moves while deforming along the slope of the inclined projection 52 and the side plate 3 is in a predetermined standing state, the elastic locking piece 51 is restored by elasticity, and the locking portion 51a becomes the inclined projection 52.
To the locking end 52a. When folding, the locking portion 51a is pressed inward from the through hole 53 to lock the locking end 52a.
The side plate 3 may be rotated while releasing the locked state.

Further, as shown in FIG. 18, a lock releasing piece 57 which can be elastically deformed can be provided in the through hole 53 of the projecting piece 4. Like the elastic locking piece 51, the unlocking piece 57 is formed by forming a U-shaped cutout portion 57a in three directions. Stop piece 51 and inclined projection 52
It is formed so that the locked state with can be released.

As shown in FIG. 15, when the shaft attachment portions 5 of the side plates 3 are provided at the same height of the protruding sides 4, the side plates 3 when folded are inclined with respect to the bottom plate 2. Although they overlap, by appropriately setting the height of the protruding piece 4 and the short side protruding side 54 provided on the bottom plate 2 and the shape of the side plate 3, both side plates can be folded and stored within the height of the protruding piece. It is.

[0035]

As described above, according to the foldable packaging container of the present invention, articles can be stored in the container for transportation, storage, display, etc., and the occupied volume can be reduced by folding. it can. Even when a plurality of containers are stacked, no load is applied to the stored items, and the stored items in the lower container can be easily taken out.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a foldable packaging container of the present invention.

FIG. 2 is a partially sectional front view of the same.

FIG. 3 is a partially sectional plan view of the same.

FIG. 4 is a perspective view showing a state of being folded in the same manner.

FIG. 5 is a sectional front view of the same folded state.

6 is a sectional view taken along line VI-VI of FIG.

FIG. 7 is a perspective view showing the same stacked state.

FIG. 8 is a perspective view showing an example of a lid.

FIG. 9 is a perspective view showing the folded state of the lid.

FIG. 10 is a perspective view showing a second embodiment of the lid.

FIG. 11 is a side view of the same.

FIG. 12 is a perspective view showing a third embodiment of the lid.

FIG. 13 is a cross-sectional plan view of a main part in the same manner.

FIG. 14 is a perspective view showing a fourth embodiment of the lid.

FIG. 15 is a partially sectional front view showing a second embodiment of the lock mechanism.

16 is a sectional view taken along line XVI-XVI of FIG.

FIG. 17 is an exploded perspective view of a main part, also seen from the inside of the container.

FIG. 18 is an exploded perspective view of a main part of a modified example viewed from the outside of a container.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Foldable packaging container, 2 ... Bottom plate, 3 ... Side plate, 4 ... Protrusion, 5 ... Shaft attaching part, 5a ... Long groove, 5b ... Shaft, 6 ... Uneven part,
Reference numeral 7: Handle portion, 8: Lock portion, 8a: Depressed portion, 8b: Projection, 11: Lid, 12: Lid long side plate, 13: Connecting portion, 14a, 14b: Lid short side folded side plate, 15 ... Lid top plate, 16: engaging portion, 17: engaging piece, 18: through hole for hand, 21: lid, 21a, 21b: distal end, 31: lid, 32: adhesive side, 41: lid , 51 ... elastic locking piece, 5
1a: locking portion, 51b: cut portion, 52: inclined projection, 5
2a: locking end, 53: through hole, 54: short side protruding side, 55,
56 ... reinforcement part, 57 ... lock release piece, 57a ... cut part

Claims (6)

[Claims] 1. A bottom plate having a rectangular shape, a protruding edge having a height equal to or less than the height of a stored article erected at least opposite to both long sides of the bottom plate, and both ends of a protruding edge near a short side of the bottom plate. And a side plate having a height equal to or greater than the height of the stored items, which is pivotally mounted on the bottom plate and foldably opposed to the upper surface of the bottom plate. 2. The short-side protruding edge connected to the protruding edge of the long-side both edge portions is provided upright at both short-side edge portions of the bottom plate. Foldable packaging container. 3. The foldable type according to claim 1, wherein the side plates are formed with concave and convex shapes which are fitted to each other when the side plates are folded on the bottom plate upper surface and both side plates are overlapped. Packaging containers. 4. A container body comprising a bottom plate, a pair of protruding sides and a pair of side plates, and a lid body capable of closing an upper opening of the container body and both side openings above the protruding side. 2. The foldable packaging container according to 1. 5. The lid body is rotatably attached to a pair of opposed long side plates of the lid body and opposite side edges of the long body side plate of the lid, and has a central vertical connection portion. Formed by a pair of lid side short side folding side plates that are connected to be able to bend inward at the side, and a lid top plate that is rotatably provided on the upper edge of at least one of the lid long side side plates. The foldable packaging container according to claim 4, wherein 6. The lid body is characterized in that it has a display section on the outer surface for displaying items related to stored items, and is formed of a sheet having an area capable of closing the upper opening and both side openings. The foldable packaging container according to claim 4.