JP2023023317A - Packing box - Google Patents

Abstract

To provide a packing box capable of easily incorporating a support body into a box and stabilizing a content in a state of suspension by the support body.SOLUTION: A packing box 1 has a box body 10 and a support body 70 accommodated in the box body 10. In the support body 70, a support frame plate 71 stacked above a bottom plate 20 of the box body 10 and a leg plate 75 that extends downwardly from the support frame plate 71 are formed. In the support frame plate 71, an opening part 72 into which the contents are fitted is formed. The leg plate 75 is a portion of the support frame plate 71 that blocks at least a portion of the opening part 72. An upper edge of the leg plate 75 is continuously provided at an edge of the opening part 72 via a folded line. A lower edge of the leg plate 75 is in contact with the top surface of the bottom plate 20.SELECTED DRAWING: Figure 1

Description

There is an application for the application of Article 30, Paragraph 2 of the Patent Act. On February 22, 2021, the packaging box related to the invention was sold to Pure Green Agri Co., Ltd.

The present invention relates to packaging boxes.

A cardboard packaging box for containing a container filled with fruits and vegetables has a tray-shaped box body and a support housed in the box body. In such a packaging box, the container can be accommodated in a suspended state by fitting the lower portion of the container into the opening formed in the support frame plate of the support.

As the support for the packaging box described above, there is one in which legs are provided on the support frame plate by folding the intermediate portion of the support frame plate so as to protrude downward (see, for example, Patent Document 1). .

JP 2007-238114 A

When assembling the above-described conventional packaging box, the supporting member is inserted into the box while the intermediate portion of the supporting frame plate is kept folded. .

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems and to provide a packaging box in which a support can be easily incorporated into the box and the contents can be stabilized in a suspended state by the support. .

In order to solve the above problems, the present invention is a packaging box having a box and a support housed in the box. The support includes a support frame plate stacked above the bottom plate of the box with a gap therebetween, and a leg plate extending downward from the support frame plate. The support frame plate is formed with an opening into which the lower part of the contents is fitted. The leg plate is a portion of the support frame plate that blocks at least a portion of the opening. The upper edge of the leg plate is connected to the edge of the opening via a fold line, and the lower edge of the leg plate is in contact with the upper surface of the bottom plate.

In the present invention, when the support is incorporated into the box, the leg plate is bent downward with respect to the support frame plate, the support is inserted into the box in this state, and the lower edge of the leg plate abuts against the upper surface of the bottom plate. Let Thus, in the packaging box of the present invention, the support can be easily incorporated into the box body.

By fitting the lower part of the contents into the opening of the support of the present invention, the contents can be stabilized in a suspended state. By doing so, the contents can be protected because the vibration generated during transportation is less likely to be transmitted to the contents.

In the present invention, since the portion that has closed at least a part of the opening of the support frame plate is used as the leg portion, it is possible to reduce chips generated when manufacturing a blank sheet for the support.

In the packaging box described above, it is preferable to stabilize the leg plate by forming a protrusion projecting downward on the lower edge of the leg plate and inserting the protrusion into a connecting hole formed in the bottom plate.

In the packaging box described above, two left and right openings and two left and right leg plates are formed in the support, and the upper edge of the right leg plate is connected to the left edge of the right opening, Preferably, the upper edge of the left leg plate is connected to the right edge of the left opening.

By supporting the area between the two left and right openings with the two leg plates in this way, the stability of the support can be enhanced.
Further, it is preferable to increase the stability of the support body by increasing the distance between the leg plates in the left-right direction from the upper end to the lower end.

In the packaging box of the present invention, the support can be easily incorporated into the box, and the support can stabilize the contents in a suspended state.

It is the perspective view which looked at the packaging box which concerns on embodiment of this invention from the front upper left. It is the figure which showed the blank sheet of the box of the packaging box which concerns on embodiment of this invention. FIG. 4 is a diagram showing a blank sheet of the support of the packaging box according to the embodiment of the present invention; It is the perspective view which looked at the support body and box of the packaging box which concern on embodiment of this invention from the front upper left. FIG. 2 is a cross-sectional view taken along the line VV in FIG. 1 showing the packaging box according to the embodiment of the present invention;

Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
In the following description, the front, rear, left, and right directions are set for convenience in describing the packaging box of the present embodiment, and do not limit the configuration or usage pattern of the packaging box.

As shown in FIG. 5, the packaging box 1 of the present embodiment contains a plastic container P filled with fruits and vegetables such as blueberries and strawberries.
The packaging box 1 includes a tray-shaped box 10 and a support 70 housed in the box 10, as shown in FIG.

As shown in FIG. 4, the box 10 includes a bottom plate 20, front and rear end walls 30, 30 connected to the bottom plate 20, left and right side walls 40, 40 connected to the bottom plate 20, and front and rear ends. Front and rear crosspieces 50, 50 connected to the upper edges of the walls 30, 30, respectively. The box 10 of this embodiment is formed in a tray shape with an open top.

As shown in FIG. 2, the box 10 of the present embodiment is formed by mountain-folding or valley-folding a blank sheet S1 obtained by cutting out a corrugated cardboard sheet. The blank sheet S1 shown in FIG. 2 is arranged so that the inner side can be seen.
The fold line of the blank sheet S1 is a ruled line (press ruled line) formed by linearly pressing the surface of the blank sheet S1. In addition, you may form an intermittent notch in a ruled line. By doing so, it becomes easier to fold the blank sheet S1 along the folding line.
Alternatively, the folded line may be configured by intermittently forming half-cut cuts obtained by cutting only the surface of the sheet or cuts penetrating the sheet into a linear shape.

The bottom plate 20 is formed in a quadrangular shape, as shown in FIG. A plurality of connecting holes 21 are formed in the central portion of the bottom plate 20 in the left-right direction. The connecting hole 21 is a through hole into which a projection 76 of a leg plate 75 of the support 70 (described later) is inserted (see FIG. 5).
In the bottom plate 20 of this embodiment, five connecting holes 21 are arranged in a row in the front-rear direction from the front end to the rear end. Further, the connecting holes 21 are arranged in two rows on the left and right with the central portion of the bottom plate 20 in the left-right direction interposed therebetween. Thus, ten connecting holes 21 are formed in the bottom plate 20 of the present embodiment (see FIG. 2).

The front and rear end walls 30 , 30 are connected to the front and rear edges of the bottom plate 20 via broken lines, respectively, and extend upward from the front and rear edges of the bottom plate 20 . The front and rear end walls 30 , 30 are formed in the same rectangular shape and are formed perpendicular to the bottom plate 20 .

The left and right side walls 40 , 40 are connected to the left and right edges of the bottom plate 20 via broken lines, respectively, and extend upward from the left and right edges of the bottom plate 20 . The left and right side walls 40 , 40 are formed in the same rectangular shape and are formed perpendicular to the bottom plate 20 .

Front and rear flaps 41 , 41 are connected to the front and rear edges of the side wall 40 via fold lines, respectively. The flap 41 is folded inwardly with respect to the side wall 40 and overlaps the inner surface of the end wall 30 .

At the corners of the bottom plate 20 and the side walls 40, front and rear pilot holes 42, 42 are formed. Further, front and rear insertion pieces 43, 43 projecting upward are formed on the upper edge of the side wall 40. As shown in FIG.
When the packaging boxes 1 shown in FIG. 1 are vertically stacked, the insertion piece 43 of the lower packaging box 1 is inserted into the pilot hole 42 of the upper packaging box 1, so that the upper and lower packaging boxes 1, 1 are separated. Stabilize.

Front and rear crosspieces 50, 50 are connected to the upper edge portions of the front and rear end walls 30, 30 via respective broken lines. The crosspiece 50 is formed in a strip shape along the upper edge of the end wall 30 . The crosspiece 50 protrudes inward and is formed perpendicular to the end wall 30 .

The left and right ends of the crosspiece 50 overlap the upper edges of the side walls 40 . Thus, the crosspiece 50 is supported by the left and right side walls 40 , 40 .
Insertion holes 51 are formed at the ends of the crosspiece 50 in the left-right direction. The insertion piece 43 of the side wall 40 is inserted through the insertion hole 51 . The upper end of the insertion piece 43 protrudes through the insertion hole 51 toward the upper surface of the crosspiece 50 .

The support 70 includes a support frame plate 71, and a plurality of side plates 74 and leg plates 75 extending downward from the support frame plate 71, as shown in FIG. As shown in FIG. 5, the support 70 forms a storage area for a plurality of containers P within the box 10. As shown in FIG.

As shown in FIG. 3, the support 70 of the present embodiment is formed by mountain-folding or valley-folding a blank sheet S2 obtained by cutting out a corrugated cardboard sheet. The blank sheet S2 shown in FIG. 3 is arranged so that the inner side can be seen.
The folding lines of the blank sheet S2 are ruled lines (pressing rules) formed by linearly pressing the surface of the blank sheet S2. In addition, you may form an intermittent notch in a ruled line. By doing so, it becomes easier to fold the blank sheet S2 along the folding line.
Alternatively, the folded line may be configured by intermittently forming half-cut cuts obtained by cutting only the surface of the sheet or cuts penetrating the sheet into a linear shape.

As shown in FIG. 4 , the support frame plate 71 has a rectangular outer shape and is fitted inside the box 10 above the bottom plate 20 . A plurality of openings 72 are formed in the support frame plate 71 . The opening 72 is a rectangular through-hole.

The support frame plate 71 of this embodiment has five openings 72 arranged in a line in the front-rear direction from the front end to the rear end. In addition, the openings 72 are arranged in two rows on the left and right across the central portion of the support frame plate 71 in the left-right direction. Thus, ten openings 72 are formed in the support frame plate 71 of the present embodiment (see FIG. 3). The opening 72 is a portion into which the lower portion of the container P (contents) is fitted, as shown in FIG.

As shown in FIG. 4, left and right side plates 74, 74 are connected to the left and right edges of the support frame plate 71 via broken lines, respectively. The side plates 74 are formed in strips along the side edges of the support frame plate 71 . The side plate 74 protrudes downward and is formed perpendicular to the support frame plate 71 (see FIG. 5).

A plurality of leg plates 75 extending downward are connected to the middle portion of the support frame plate 71 in the left-right direction.
The leg plate 75 is a part of the support frame plate 71 that partially blocks the opening 72 . The upper edge of the leg plate 75 is connected to the edge of the opening 72 via a broken line.
In this embodiment, the ten openings 72 are provided with leg plates 75 respectively. That is, the five leg plates 75 are arranged in a line in the front-rear direction from the front end portion to the rear end portion of the support frame plate 71 . In addition, the leg plates 75 are arranged in two rows on the left and right across the central portion in the left-right direction. Thus, ten leg plates 75 are formed in the support 70 of this embodiment.

Of the two leg plates 75, 75 arranged in the horizontal direction, the upper edge of the right leg plate 75 is connected to the left edge of the right opening 72, and the upper edge of the left leg plate 75 is connected to the left side. is connected to the right edge of the opening 72 of the .
As shown in FIG. 5 , a pair of left and right leg plates 75 , 75 face each other across a region between the left and right openings 72 , 72 in the support frame plate 71 .
As shown in FIG. 4, the lower edge of the leg plate 75 is formed with a protrusion 76 projecting downward (see FIG. 3).

As shown in FIG. 5 , when the support 70 is accommodated in the box 10 , the lower edges of the left and right side plates 74 and 74 and the lower edges of the leg plates 75 are in contact with the upper surface of the bottom plate 20 .
Thereby, the support frame plate 71 is supported above the bottom plate 20 by the side plates 74 and 74 and the leg plates 75 . The support frame plate 71 is stacked above the bottom plate 20 with a gap therebetween and arranged parallel to the bottom plate 20 .

The projections 76 of the leg plate 75 are inserted into the connecting holes 21 of the bottom plate 20 . Thereby, the lower edge of the leg plate 75 is fixed to the upper surface of the bottom plate 20 .
In this embodiment, the interval between the left and right connecting holes 21, 21 is set so that the interval between the lower edges of the leg plates 75, 75 on the left and right is larger than the interval between the upper edges of the leg plates 75, 75 on the left and right. As a result, the left and right leg plates 75, 75 are formed so that the distance between them in the left-right direction increases from the upper end toward the lower end.

In the packaging box 1 as described above, the side plates 74 and the leg plates 75 are bent downward with respect to the support frame plate 71 of the support 70 before the support 70 is incorporated into the box 10, as shown in FIG. In that state, the support 70 is inserted into the box 10 as shown in FIG.
At this time, since it is not necessary to hold the side plates 74 and leg plates 75 of the support 70 by hand, the support 70 can be easily incorporated into the box 10 .

Subsequently, the lower edges of the side plates 74 of the support 70 and the lower edges of the leg plates 75 are brought into contact with the upper surface of the bottom plate 20, and as shown in FIG. 21 Insert.
Thereby, the area between the two left and right openings 72 , 72 is supported by the two leg plates 75 , 75 . Also, the interval between the left and right leg plates 75, 75 increases from the upper end toward the lower end. Therefore, each leg plate 75 can increase the stability of the support 70 .

In the packaging box 1 of the present embodiment, by fitting the lower portion of the container P (contents) into the opening 72 of the support 70, the container P can be stably suspended. This makes it difficult for vibrations generated during transportation to be transmitted to the fruits and vegetables in the container P, so that the fruits and vegetables can be protected.

In the packaging box 1 of the present embodiment, as shown in FIG. 4, the leg plate 75 is formed by the portion of the support frame plate 71 that partially blocks the opening 72. Therefore, the blank sheet S2 shown in FIG. Chips generated during manufacturing can be reduced.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments and can be appropriately modified without departing from the scope of the invention.
In the packaging box 1 of this embodiment, as shown in FIG. 4, ten openings 72 are formed in the support 70, but the number of openings 72 is not limited.

In the packaging box 1 of the present embodiment, the leg plates 75 are connected to all the openings 72 of the support 70, but the number and arrangement of the leg plates 75 are not limited.
In the packaging box 1 of the present embodiment, the leg plate 75 is formed by the portion of the support frame plate 71 that partially blocked the opening 72, but the leg plate is formed by the portion that blocked the entire opening 72. good too.

As shown in FIG. 5, the packaging box 1 of the present embodiment accommodates a container P filled with fruits and vegetables as contents, but the contents accommodated in the packaging box of the present invention are not limited. . The shape and size of the opening 72 of the support 70 are not limited, and are appropriately formed according to the shape and size of the contents.

As shown in FIG. 4, the box body 10 of the packaging box 1 of the present embodiment has a tray shape, but the configuration of the box body is not limited, and the upper surface of the box body may be closed with a top plate. .

Although the packaging box 1 of the present embodiment is made of cardboard, the packaging box may be formed of various known paperboards.

1 packaging box 10 box body 20 bottom plate 21 connecting hole 30 end wall 40 side wall 41 flap 42 prepared hole 43 insertion piece 50 crosspiece 51 insertion hole 70 support 71 support frame plate 72 opening 74 side plate 75 leg plate 76 protrusion P container S1 blank sheet S2 blank sheet

Claims (4)

a box and
A packaging box comprising a support housed in the box,
The support includes
a support frame plate stacked above the bottom plate of the box with a space therebetween;
a leg plate extending downward from the support frame plate;
The support frame plate is formed with an opening into which the lower part of the contents is fitted,
The leg plate is a part of the support frame plate that blocks at least a part of the opening,
The upper edge of the leg plate is connected to the edge of the opening via a broken line,
A packaging box, wherein a lower edge portion of the leg plate is in contact with an upper surface of the bottom plate. The packaging box according to claim 1,
A protrusion projecting downward is formed on the lower edge of the leg plate,
A packaging box, wherein the protrusion is inserted into a connecting hole formed in the bottom plate. The packaging box according to claim 1 or claim 2,
The support includes
Two left and right openings and two left and right leg plates are formed,
The upper edge of the right leg plate is connected to the left edge of the right opening,
The packaging box, wherein the upper edge of the left leg plate is connected to the right edge of the left opening. The packaging box according to claim 3,
A packaging box, wherein the left and right leg plates are formed so that the interval in the left-right direction increases from the upper end toward the lower end.

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