JP7310528B2 - packaging box - Google Patents

Description

The present invention relates to packaging boxes.

BACKGROUND ART As a packaging box, there is known one that includes a trunk formed in a polygonal tubular shape and upper and lower lids provided on the trunk. In such a packaging box, the lid portion has two flaps, and the lid portion is closed by abutting both flaps and joining them with an adhesive tape (see, for example, Patent Document 1).

JP 2006-096405 A

In the above-described conventional packaging box, it is difficult to stabilize the shape of the polygonal tube-shaped body, so there is a problem that it is difficult to join both flaps when assembling the lid.

An object of the present invention is to solve the above-described problems and to provide a packaging box capable of improving work efficiency when assembling the lid portion.

In order to solve the above problems, the present invention is a packaging box comprising a polygonal tube-shaped body and a lid provided at an upper or lower opening of the body. The body portion has front and rear end walls and rear end walls, left and right first and second side walls, and a first inclined wall formed between the first side wall and the rear end wall. are doing. The lid portion includes a front flap connected to the front end wall, a rear flap connected to the rear end wall, a first side flap connected to the first side wall, and the second a second side flap connected to the sidewall. The first side flap and the second side flap overlap the front flap and the rear flap. A portion of the trailing edge of the first side flap is formed along the inner surface of the first sloped wall, and the rear flap overlaps the outer surface of the rear portion of the first side flap. A first support piece formed in the front portion of the first side flap overlaps the outside of a first receptacle formed in the front flap, and the first support piece engages the first receptacle. The end of the first support piece is engaged with the inner surface of the front flap by being pushed in from the outside. A second support piece formed at the rear of the second side flap overlaps the outside of a second receptacle formed in the rear flap, and the second support piece enters the second receptacle from the outside. Pushed in, the end of the second support piece is locked to the inner surface of the rear flap.

When assembling the lid of the packaging box of the present invention, the first supporting piece of the first side flap is inserted into the first insertion opening of the front flap, and the second supporting piece of the second side flap is inserted into the rear flap. Each flap can be easily connected by inserting it into the second receptacle.
Further, when the rear flap is superimposed on the outer surface of the first side flap, the rear portion of the first side flap enters the interior of the body, and part of the rear edge portion of the first side flap causes the first inclined wall to extend. Since it is supported, the shape of the trunk can be stabilized.

In the packaging box described above, the front portion of the first side flap is overlapped with the outer surface of the front flap, and the first support piece is pushed into the first insertion opening from the outside. Similarly, the rear portion of the second side flap is overlapped with the outer surface of the rear flap, and the second support piece is pushed into the second insertion opening from the outside.

In this configuration, the operator pushes the first support piece into the inside of the packaging box to easily engage the first support piece with the front flap, and pushes the second support piece into the inside of the packaging box. , the second support piece can be easily locked to the rear flap.

In the packaging box described above, the body portion is provided with a second inclined wall formed between the second side wall and the front end wall, and a part of the front edge portion of the second side flap is provided with the The front flap may be formed along the inner surface of the second angled wall and overlap the outer surface of the front portion of the second side flap.

In this configuration, the front flap is superimposed on the outer surface of the second side flap, and the front portion of the second side flap extends inside the barrel, so that a portion of the front edge of the second side flap A second sloping wall can be supported. Thereby, the shape of the trunk can be maintained.

In the packaging box described above, when the first support piece is formed at the tip of the first side flap and the second support piece is formed at the tip of the second side flap, the first side It is possible to prevent the tip of the side flap and the tip of the second side flap from floating.

According to the present invention, it is possible to improve work efficiency when assembling the cover of a polygonal packaging box having inclined walls.

It is the perspective view which looked at the packaging box which concerns on 1st embodiment of this invention from the front upper right. It is the figure which showed the blank sheet of the packaging box which concerns on 1st embodiment of this invention. FIG. 2 is a perspective view of the packaging box according to the first embodiment of the present invention with the front flap closed, viewed from the front upper right. FIG. 10 is a perspective view of a configuration in which a support piece is drawn upward in a packaging box according to a reference example of the present invention, viewed from the front upper right. It is the perspective view which looked at the packaging box which concerns on 2nd embodiment of this invention from the front upper right. FIG. 10 is a perspective view of the packaging box according to the second embodiment of the present invention with the front flap closed, viewed from the front upper right.

Embodiments of the present invention will be described in detail with reference to the drawings as appropriate.
In addition, in description of each embodiment, the same code|symbol shall be attached|subjected regarding the same component, and the overlapping description shall be abbreviate|omitted.
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 of the packaging box.

[First embodiment]
The packaging box 1A of the first embodiment includes, as shown in FIG. and an upper lid portion 30 provided in an upper opening portion of the portion 10 .

As shown in FIG. 2, the packaging box 1A is formed by mountain-folding or valley-folding a blank sheet S obtained by cutting out one corrugated cardboard sheet. The blank sheet S shown in FIG. 2 is arranged so that the inner side can be seen.
Each ruled line (folded line) of the blank sheet S is a linear groove (press ruled line) formed by pressing the surface of the blank sheet S. As shown in FIG.
In addition, you may form an intermittent notch in a ruled line. By doing so, it becomes easier to fold the blank sheet S at the ruled line.

As shown in FIG. 3 , the trunk portion 10 includes a pair of front and rear end walls 11 and a rear end wall 12 and a pair of left and right first side walls 13 and second side walls 14 . The front end wall 11, the rear end wall 12, the first side wall 13 and the second side wall 14 are formed in a quadrangular shape when viewed from the side.
Also, the trunk portion 10 is formed between the left rear first inclined wall 16 formed between the left first side wall 13 and the rear end wall 12 and the right second side wall 14 and the front end wall 11 . a right front second inclined wall 17; Hexagonal openings are formed in the upper and lower surfaces of the trunk portion 10 in a plan view.

The first inclined wall 16 is formed at the left rear corner of the body 10 , and the second inclined wall 17 is formed at the right front corner of the body 10 . The first inclined wall 16 and the second inclined wall 17 are formed in an elongated rectangular shape when viewed from the side. The first inclined wall 16 and the second inclined wall 17 have the same shape. The first slanted wall 16 and the second slanted wall 17 are slanted with respect to the front end wall 11 , the rear end wall 12 , the first side wall 13 and the second side wall 14 .

In the first embodiment, the joint piece 15 is continuously provided on the right edge of the left rear first inclined wall 16 (see FIG. 2). The joint piece 15 is joined to the inner surface of the rear end wall 12 . Also, the joint piece 15 extends upward from the rear end wall 12 . The upper end portion 15a of the joining piece 15 is joined to the inner surface (lower surface) of the rear flap 32, which will be described later.

When the blank sheet S (see FIG. 2) is folded along each ruled line and the joining piece 15 is joined to the inner surface of the rear end wall 12, the front end wall 11, the rear end wall 12, the first side wall 13, the second side wall 14, the first The slanted wall 16 and the second slanted wall 17 form a hexagonal cylindrical trunk portion 10 in a plan view.

The lower lid portion 20 has a pair of left and right inner flaps 21 , 21 connected to the lower edge portions of the first side wall 13 and the second side wall 14 , and connected to the lower edge portions of the front end wall 11 and the rear end wall 12 . and a pair of front and rear outer flaps 22 , 22 .
The lower lid portion 20 has front and rear outer flaps 22, 22 superimposed on the lower surfaces of the left and right inner flaps 21, 21, and the tip edges of the outer flaps 22, 22 are butted against each other to form the trunk portion 10. The lower opening is blocked.

As shown in FIG. 1 , the upper lid portion 30 includes a front flap 31 connected to the front end wall 11 and a rear flap 32 connected to the rear end wall 12 . The upper lid portion 30 also includes a first side flap 33 connected to the left first side wall 13 and a second side flap 34 connected to the right second side wall 14 .

The front flap 31 is connected to the upper edge of the front end wall 11 as shown in FIG. The front flap 31 covers the front of the upper opening of the body 10 .
A first insertion port 41 is formed in the left portion of the front flap 31 . The first insertion port 41 is a rectangular opening extending in the left-right direction.

The rear flap 32 is connected to the upper edge of the rear end wall 12 as shown in FIG. The rear flap 32 covers the rear of the upper opening of the torso 10 . In the first embodiment, the leading edge of the front flap 31 and the leading edge of the rear flap 32 are spaced apart.
A second insertion opening 42 is formed in the right portion of the rear flap 32 as shown in FIG. The second insertion port 42 is a rectangular opening extending in the left-right direction.

The left portion of the rear flap 32 overlaps the top surface (outer surface) of the rear portion of the first side flap 33, as shown in FIG. In addition, the rear portion of the second side flap 34 is superimposed on the upper surface (outer surface) of the right portion of the rear flap 32 . Thus, the rear flap 32 vertically crosses the first side flap 33 and the second side flap 34 .

The first side flap 33 is connected to the upper edge of the left first side wall 13 . The front portion of the first side flap 33 overlaps the top surface (outer surface) of the left portion of the front flap 31 . The left portion of the rear flap 32 is superimposed on the top surface (outer surface) of the rear portion of the first side flap 33 . Thus, the first side flap 33 intersects the front flap 31 and the rear flap 32 vertically.

The rear edge portion 33a of the first side flap 33 is formed along the inner surface of the rear end wall 12 and the inner surface of the left rear first inclined wall 16 (see FIG. 3). When the first side flap 33 is in the upper opening of the body 10, the rear edge 33a of the first side flap 33 is positioned between the inner surface of the rear end wall 12 and the inner surface of the left rear first inclined wall 16. bordering on

A first support piece 51 is formed on the front portion of the first side flap 33 . The first support piece 51 extends in the left-right direction. The left edge of the first support piece 51 is connected to the first side flap 33 via a ruled line, and the other edges are separated from the first side flap 33 by slits.
A projecting portion 51a projecting in the front-rear direction is formed on the right end portion of the first support piece 51 (see FIG. 3). The width of the projecting portion 51 a in the front-rear direction is formed to be larger than the width in the front-rear direction of the first insertion opening 41 of the front flap 31 .

When the front portion of the first side flap 33 is overlaid on the top surface of the left portion of the front flap 31 , the first support piece 51 of the first side flap 33 fits into the first insertion opening 41 of the front flap 31 . overlaps on top of
The first support piece 51 is bent downward with respect to the first side flap 33 at the ruled line, and is inserted into the first insertion port 41 from above. The front and rear ends of the projecting portion 51 a of the first support piece 51 are locked to the lower surface (inner surface) of the front flap 31 .

The second side flap 34 is connected to the upper edge of the second side wall 14 on the right side. The rear portion of the second side flap 34 overlaps the top surface (outer surface) of the right portion of the rear flap 32 . The front portion of the second side flap 34 overlaps the lower surface (inner surface) of the right portion of the front flap 31 . Thus, the second side flap 34 crosses the front flap 31 and the rear flap 32 vertically.

When assembling the second side flap 34 to the front flap 31 , the front part of the second side flap 34 is inserted into the lower surface side of the front flap 31 that is bent inside the body 10 . In the first embodiment, the width in the left-right direction of the front portion of the second side flap 34 is decreased toward the front end portion, and the right rear corner portion of the front flap 31 is inclined. The front part of the two side flaps 34 can be easily inserted into the lower surface side of the right part of the front flap 31 .

The front edge portion 34 a of the second side flap 34 is formed along the inner surface of the front end wall 11 and the inner surface of the right front second inclined wall 17 . When the second side flap 34 is inserted into the upper opening of the body 10, the front edge 34a of the second side flap 34 contacts the inner surface of the front end wall 11 and the inner surface of the right front second inclined wall 17. ing.

A second support piece 52 is formed on the front portion of the second side flap 34 . The second support piece 52 extends in the left-right direction. The right edge of the second support piece 52 is connected to the second side flap 34 via a ruled line, and the other edges are separated from the second side flap 34 by slits.
A left end portion of the second support piece 52 is formed with a protruding portion 52a that protrudes in the front-rear direction. The width of the projecting portion 52 a in the front-rear direction is formed to be larger than the width in the front-rear direction of the second insertion opening 42 of the rear flap 32 .

When the rear portion of the second side flap 34 overlaps the top surface of the right portion of the rear flap 32, the second support piece 52 of the second side flap 34 overlaps the second insertion opening 42 of the rear flap 32. .
The second support piece 52 is inserted into the second insertion port 42 from above by being bent downward with respect to the second side flap 34 along the ruled line. The front and rear ends of the projecting portion 52 a of the second support piece 52 are locked to the lower surface (inner surface) of the rear flap 32 .

Next, an example of the procedure for assembling the upper cover portion 30 of the packaging box 1A will be described.
First, as shown in FIG. 3, the front flap 31 is folded toward the inside of the body 10 with respect to the front end wall 11 .
Subsequently, as shown in FIG. 1 , the first side flap 33 is folded toward the inner side of the body portion 10 with respect to the first side wall 13 , and the front portion of the first side flap 33 is attached to the left portion of the front flap 31 . layer on top of

After that, the operator presses the first support piece 51 with a finger from above and inserts the first support piece 51 into the first insertion port 41 from above. As a result, the projecting portion 51 a of the first support piece 51 is locked to the lower surface of the front flap 31 .

Subsequently, the rear flap 32 is folded toward the inner side of the trunk section 10 with respect to the rear end wall 12 , and the left portion of the rear flap 32 is overlapped with the upper surface of the rear portion of the first side flap 33 .
Further, the second side flap 34 is folded toward the inside of the body 10 with respect to the second side wall 14 so that the rear portion of the second side flap 34 overlaps the top surface of the right portion of the rear flap 32 .
Also, the front part of the second side flap 34 is inserted into the lower surface side of the front flap 31 so that the front part of the second side flap 34 overlaps the lower surface of the right part of the front flap 31 .

Thereafter, the operator presses the second support piece 52 from above with a finger to insert the second support piece 52 into the second insertion port 42 from above. As a result, the projecting portion 52 a of the second support piece 52 is locked to the lower surface of the rear flap 32 .

In this manner, the front flap 31, the first side flap 33, the rear flap 32, and the second side flap 34 are sequentially stacked and connected to form the upper lid portion 30. As shown in FIG.

In the packaging box 1A as described above, as shown in FIG. 1, the first support piece 51 of the first side flap 33 is inserted into the first insertion opening 41 of the front flap 31 from above, and The second support piece 52 of the rear flap 34 is inserted into the second insertion opening 42 of the rear flap 32 from above. Thereby, the front flap 31, the rear flap 32, the first side flap 33 and the second side flap 34 can be easily connected without using adhesive tape or adhesive.
In the packaging box 1A of the first embodiment, when the rear flap 32 is superimposed on the upper surface of the first side flap 33, the rear portion of the first side flap 33 enters the body 10, and the first side flap 33 The trailing edge supports the first ramp wall 16 and the trailing end wall 12 . Thereby, when assembling the upper cover part 30, the shape of the trunk|drum 10 can be stabilized.
Therefore, in the packaging box 1A of the first embodiment, it is possible to improve work efficiency when assembling the upper lid portion 30. As shown in FIG.

In the packaging box 1</b>A of the first embodiment, the front flap 31 is superimposed on the top surface of the second side flap 34 , so the front part of the second side flap 34 enters inside the body 10 . As a result, the second inclined wall 17 and the front end wall 11 are supported by the front edge of the second side flap 34, so that the shape of the trunk 10 can be maintained.

In the packaging box 1A of the first embodiment, in addition to the outer surfaces of the front end wall 11, the rear end wall 12, the first side wall 13 and the second side wall 14, the outer surfaces of the first inclined wall 16 and the second inclined wall 17 are also covered with the product. Information can be printed. As a result, when the packaging boxes 1A are arranged on the sales floor, the customer can clearly recognize the product information from the front, back, left, right, and oblique directions. Therefore, in the packaging box 1A of the first embodiment, the products housed inside can be effectively appealed.

In the packaging box 1A of the first embodiment, a first inclined wall 16 and a second inclined wall 17 are provided at the corners of the body portion 10 . That is, 1 A of packaging boxes of 1st embodiment are the shapes which made the corner|angular part of the rectangular parallelepiped box inclined. In such a packaging box 1A, the area of the sheet can be reduced compared to a rectangular parallelepiped box having the same length in the front-rear direction and the left-right direction.

Although the first embodiment of the present invention has been described above, the present invention is not limited to the first embodiment, and can be appropriately modified without departing from the gist thereof.
In the first embodiment, the present invention is applied to the upper lid portion 30 of the packaging box 1A shown in FIG. 1, but the present invention may be applied to the lower lid portion of the packaging box 1A. In this case, the leading edge of the front flap and the leading edge of the rear flap are brought together to close the lower lid.

The shape of the first insertion port 41 and the second insertion port 42 and the shape of the first support piece 51 and the second support piece 52 are not limited.

In the packaging box 1A of the first embodiment, the first support piece 51 is inserted into the first insertion port 41 from above, and the second support piece 52 is inserted into the second insertion port 42 from above.
However, as a reference example of the present invention, as shown in FIG. The projecting portion 51 a of the first support piece 51 may be locked to the upper surface of the front flap 31 by pulling it upward from the inlet 41 .
Similarly, by overlapping the right portion of the rear flap 32 on the upper surface of the rear portion of the second side flap 34 and pulling the second support piece 52 upward from the second insertion port 42, the second support piece 52 is The projecting portion 52 a may be engaged with the upper surface of the rear flap 32 .

In the packaging box 1A of the first embodiment, the front part of the second side flap 34 is inserted into the lower surface side of the front flap 31 when assembling the upper lid part 30, but the front part of the second side flap 34 may be superimposed on the upper surface of the front flap 31 .
With this configuration, it is not necessary to insert the front portion of the second side flap 34 into the lower surface side of the front flap 31, so the upper lid portion 30 can be easily assembled.

In the packaging box 1A of the first embodiment, the tip edge of the front flap 31 and the tip edge of the rear flap 32 are arranged with a gap therebetween, but the tip edge of the front flap 31 and the tip edge of the rear flap 32 The upper lid portion 30 may be closed by abutting the tip edge of the upper lid portion 30 .

In the packaging box of the present invention, the width and height of the end walls, side walls and inclined walls are not limited. Also, the number of inclined walls is not limited. Also, the angle of inclination of the inclined walls with respect to the end walls and side walls is not limited.
For example, in the packaging box 1A of the first embodiment, the front end wall 11, the rear end wall 12, the first side wall 13, the second side wall 14, the first inclined wall 16 and the second inclined wall 17 are formed to have the same width, You may form the trunk|drum 10 in a regular hexagon.

In the packaging box 1A of the first embodiment, the body portion 10 is formed in a hexagonal cylindrical shape having the first inclined wall 16 and the second inclined wall 17. In the present invention, at least the first inclined wall 16 is formed. The number of corners of the trunk portion 10 is not limited. For example, the body may be formed in a polygonal tubular shape such as a pentagonal tubular shape or an octagonal tubular shape.

Although the packaging box 1A of the first embodiment is made of cardboard, the packaging box of the present invention can be formed from various known paperboards.

[Second embodiment]
Next, the packaging box 1B of 2nd embodiment is demonstrated. As shown in FIG. 5, the packaging box 1B of the second embodiment differs from the packaging box 1A of the first embodiment (see FIG. 1) in the arrangement of the first supporting piece 51 and the second supporting piece 52. As shown in FIG.

In the packaging box 1B of the second embodiment, the first support piece 51 is formed at the tip (right end) of the first side flap 33, and the second support piece 52 is formed at the tip of the second side flap 34. (left end).

In the second embodiment, the leading edge (right edge) of the first support piece 51 is continuous with the leading edge (right edge) of the first side flap 33 (see FIG. 6). Also, the first support piece 51 is formed at the front end of the first side flap 33 . That is, the first support piece 51 of the second embodiment is formed at the right front corner of the first side flap 33 .

In the second embodiment, the tip edge (left edge) of the second support piece 52 is continuous with the tip edge (left edge) of the second side flap 34 . Also, the second support piece 52 is formed at the rear end portion of the second side flap 34 . That is, the second support piece 52 of the second embodiment is formed at the left rear corner of the second side flap 34 .

In this configuration, the distal end of the first side flap 33 is connected to the front flap 31 and the distal end of the second side flap 34 is connected to the rear flap 32 . As a result, when the upper lid portion 30 is assembled, the tip of the first side flap 33 and the tip of the second side flap 34 can be prevented from floating.

Although the second embodiment of the present invention has been described above, the present invention is not limited to the second embodiment, and can be modified as appropriate without departing from the spirit of the first embodiment. is.

1A packaging box (first embodiment)
1B packaging box (second embodiment)
10 Body 11 Front end wall 12 Rear end wall 13 First side wall 14 Second side wall 15 Joining piece 16 First inclined wall 17 Second inclined wall 20 Lower lid part 21 Inner flap 22 Outer flap 30 Upper lid part 31 Front flap 32 Rear part Flap 33 First side flap 34 Second side flap 41 First insertion port 42 Second insertion port 51 First supporting piece 51a Protruding portion 52 Second supporting piece 52a Protruding portion S Blank sheet

Claims (3)

a polygonal tube-shaped body;
and a lid provided at an opening on the upper side or the lower side of the body,
The torso is
front and back end walls and back end walls;
Left and right first side walls and second side walls;
a first inclined wall formed between the first side wall and the rear end wall;
The lid is
a front flap connected to the front end wall;
a rear flap connected to the rear end wall;
a first side flap connected to the first side wall;
a second side flap connected to the second side wall;
the first side flap and the second side flap overlap the front flap and the rear flap;
a portion of the trailing edge of the first side flap is formed along the inner surface of the first sloped wall;
the rear flap overlies the outer surface of the rear of the first side flap;
A first support piece formed in the front portion of the first side flap overlaps the outside of a first receptacle formed in the front flap, and the first support piece engages the first receptacle. pushed from the outside to lock the end of the first support piece to the inner surface of the front flap;
A second support piece formed at the rear of the second side flap overlaps the outside of a second receptacle formed in the rear flap, and the second support piece enters the second receptacle from the outside. A packaging box , wherein the end of the second support piece is engaged with the inner surface of the rear flap by being pushed in. The packaging box according to claim 1 ,
the body has a second inclined wall formed between the second side wall and the front end wall;
a portion of the leading edge of the second side flap is formed along the inner surface of the second sloped wall;
A packaging box, wherein the front flap is superimposed on the outer surface of the front of the second side flap. The packaging box according to claim 1 or claim 2 ,
The first support piece is formed at the tip of the first side flap,
The packaging box, wherein the second supporting piece is formed at the tip of the second side flap.

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