JP2020203711A - Packing box - Google Patents

Abstract

To provide a packing box which can suppress damages to packaged objects by suppressing movement of the packaged objects in the storage part.SOLUTION: A packing box 100 has a bottom body 10 which is configured so as to be assembled using a single sheet, has a bottom surface 11 and four side walls 12-15 provided so as to extend in a direction approximately perpendicular to the bottom surface 11 from the periphery (folding lines a, b, c, d) of the bottom surface 11, a storage part 3 for storing packaged objects 30 is formed by being surrounded by the bottom surface 11 and the four side walls 12 - 15, of the four side walls 12-15, at least two side walls 13 and 14 are energizing side walls 13 and 14 for energizing to the packaged objects 30 stored in the storage part 3.SELECTED DRAWING: Figure 1

Description

The present invention relates to a packaging box, specifically, a packaging box that can be assembled from a single sheet.

Conventionally, a packaging box that can be assembled from a single sheet such as paper has been proposed (see, for example, Patent Document 1).

The packaging box described in Patent Document 1 includes four sides connected to each other via a fold line, and an upper lid piece is connected to one end of one of these four sides via a fold line. The insertion piece is connected to the upper lid piece via a folding wire. Two folded pieces are connected to the remaining two ends of the upper lid piece via curved fold lines, and these two folded pieces are bent along the curved fold line to be sideways. It is formed so as to protrude into.

Two inclined surface portions are connected to one end of two side surfaces adjacent to the side surface to which the upper lid piece is connected via curved fold lines, and two upper flaps are connected to the two inclined surface portions via curved fold lines. Are connected respectively. By bending along the curved folding line, these two inclined surface portions are overlapped with each of the two folded pieces provided on the upper lid piece, and are closed without a gap. With such a configuration, when the packaging box containing the packaged object is moved, the packaged object is prevented from jumping out of the packaging box.

Utility model registration No. 3177114

In the packaging box described in Patent Document 1, when the packaging box is moved, it is possible to prevent the object to be packaged from jumping out of the packaging box, while the object to be packaged moves inside the packaging box. There is a problem that the packaged object is damaged when the packaged object moves violently inside the packaging box.

The present invention has been made to solve the above problems, and provides a packaging box capable of suppressing damage to the packaged object by restricting the movement of the packaged object inside the packaging box. The purpose is.

In order to achieve the above object, the present invention is configured as follows.

(1) The packaging box of the present invention is configured to be assembleable using a single sheet, and has a bottom surface and a plurality of side walls provided so as to extend from the peripheral edge of the bottom surface in a direction substantially perpendicular to the bottom surface. A housing portion for accommodating an object to be packaged is formed by being surrounded by the bottom surface and the plurality of side walls, and at least one side wall of the plurality of side walls is accommodated in the storage portion. It is an urging side wall for applying an urging force to the packaged object.

According to the above configuration, when the packaging box is moved while the packaged object such as a product is housed in the packaging part of the packaging box, the urging side wall urges and presses the packaged object against the other side wall. Since it can be held in a closed state, it is possible to make it difficult for the packaged object to move in the storage portion of the packaging box, and as a result, damage to the packaged object can be suppressed.

(2) In the packaging box of the present invention, preferably, the tip of the urging side wall is bent toward the accommodating portion or the bottom surface. With this configuration, a force that returns the tip of the urging side wall from the bent state to the original state can be applied to the packaged object as an urging force. Further, since the side wall constituting the packaging box can be used as an urging side wall for applying urging force to the object to be packaged, it has a function as a side wall of the packaging box and a function of giving urging force to the accommodating portion. It can also be used by the urging side wall.

(3) In the packaging box of the present invention, preferably, the urging side wall has a first side wall portion provided so as to extend from the peripheral edge of the bottom surface in a direction substantially perpendicular to the bottom surface, and the first side wall portion. A second side wall portion provided so as to extend substantially toward the direction of the accommodating portion from the side wall portion, and a third side wall portion provided so as to extend substantially toward the bottom surface from the second side wall portion. Including the side wall of the. With this configuration, the forces of the second side wall and the third side wall that form the urging side wall to return from the bent state to the original state are applied to the packaged object as urging force. Can be done.

(4) In the packaging box of the present invention, preferably, the third side wall portion of the urging side wall is curved so as to project substantially toward the direction of the accommodating portion. With this configuration, the strength of the side walls constituting the packaging box can be improved, so that when a plurality of packaging boxes are stacked, the packaging boxes can be prevented from being crushed or losing their shape.

(5) In the packaging box of the present invention, preferably, the urging side wall is provided on the opposite peripheral edge of the peripheral edge of the bottom surface. With this configuration, the packaged object can be urged toward the center of the opposite peripheral edge by the two urging side walls provided on the opposite peripheral edges, so that the packaged object is placed in the center of the packaging box. Can be retained.

(6) In the packaging box of the present invention, preferably, the urging side wall is provided on all the peripheral edges of the bottom surface. With this configuration, the packaged object can be urged toward the center of the accommodating portion by the urging side walls provided on all the peripheral edges, so that the packaged object can be more reliably placed in the center of the accommodating portion. Can be retained.

(7) In the packaging box of the present invention, preferably, the tip of the urging side wall is in contact with the bottom surface. With this configuration, when a plurality of packaging boxes are stacked, the load of the stacked packaging boxes can be received by the tip of the urging side wall, so that the tip of the urging side wall is separated from the bottom surface. In comparison with, the deformation of the packaging box in the weighting direction can be suppressed. As a result, the strength of the packaging box in the weighting direction can be improved.

(8) In the packaging box of the present invention, preferably, the bottom surface has a quadrangular shape having four peripheral edges, and the four side walls are provided along the four peripheral edges of the bottom surface, and the four side walls of the four side walls. At least one of them is the urging side wall. With this configuration, at least one of the four side walls constituting the packaging box can be used as the urging side wall, so that it is not necessary to separately use a member for urging the packaged object. , The number of parts can be reduced.

(9) In the packaging box of the present invention, preferably, it is configured to be assembleable using one sheet, further includes a lid body to be used in combination with the bottom body, and the lid body has an upper surface and the upper surface. It has a flap provided so as to extend in a direction substantially perpendicular to the upper surface from the peripheral edge of the lid, and when the bottom body and the lid body are combined, the flap is the accommodating portion of the urging side wall. It is in contact with the surface on the side and is urged toward the accommodating portion by the urging side wall. With this configuration, the flap of the lid is urged against the accommodating portion by the urging side wall of the bottom body, so that it is possible to prevent the lid from being unintentionally opened from the closed state.

(10) In the packaging box of the present invention, preferably, the flap of the lid body urged toward the accommodating portion by the urging side wall has a shape corresponding to the surface shape of the urging side wall. With this configuration, the contact area between the flap of the lid and the urging side wall of the bottom body can be increased, so that the flap of the lid can be more reliably prevented from opening unintentionally.

(11) In the packaging box of the present invention, preferably, the tip of the flap of the lid body urged toward the accommodating portion by the urging side wall is in contact with the bottom surface of the bottom body. .. With this configuration, when a plurality of packaging boxes are stacked, the load of the stacked packaging boxes can be received by the tip of the flap of the lid, so that the tip of the flap of the lid is from the bottom surface of the bottom body. As compared with the case where the packaging boxes are separated from each other, deformation of the packaging box in the load direction can be suppressed. As a result, the strength of the packaging box in the weighting direction can be improved.

(12) In the packaging box of the present invention, preferably, the upper surface of the lid has a quadrangular shape having four peripheral edges, and each of the four peripheral edges of the upper surface has at least the lower surface of the bottom body. The same number of flaps are provided so as to correspond to the urging side walls provided in. With this configuration, at least one of the four flaps provided on the upper surface of the lid is urged against the accommodating portion by the urging side wall of the bottom body, so that the flap of the lid is intended. It is possible to suppress the opening.

(13) In the packaging box of the present invention, preferably, the lid body and the bottom body are integrally formed, and one side of the peripheral edge of the upper surface of the lid body is the plurality of side walls of the bottom body. It is connected to one of the side walls. With this configuration, the lid and bottom can be integrally assembled using a single sheet.

(14) In the packaging box of the present invention, the lid body and the bottom body are preferably configured as separate bodies. With this configuration, the lid and bottom can be assembled separately using a single sheet.

According to the aspect of the present invention, it is possible to provide a packaging box capable of suppressing damage to the packaged object by suppressing the movement of the packaged object in the housing portion of the packaging box.

It is an overall perspective view of the packaging box which concerns on 1st Embodiment of this invention. It is a perspective view which shows the state which opened the lid body of the packaging box which concerns on 1st Embodiment. It is a development view of the packaging box which concerns on 1st Embodiment. It is a top view of the packaging box which concerns on 1st Embodiment. It is a front view of the packaging box which concerns on 1st Embodiment. It is a rear view of the packaging box which concerns on 1st Embodiment. It is a right side view of the packaging box which concerns on 1st Embodiment. It is a left side view of the packaging box which concerns on 1st Embodiment. It is a bottom view of the packaging box which concerns on 1st Embodiment. It is sectional drawing along line 200-200 of FIG. It is sectional drawing along the line 300-300 of FIG. It is a perspective view which shows the state of gluing of a side wall and a flap. It is an overall perspective view of the packaging box which concerns on 2nd Embodiment of this invention. It is an overall perspective view of the packaging box which concerns on 3rd Embodiment of this invention. It is an overall perspective view of the packaging box which concerns on 4th Embodiment of this invention. It is an overall perspective view of the packaging box which concerns on 5th Embodiment of this invention. It is an overall perspective view of the packaging box which concerns on 6th Embodiment of this invention.

Hereinafter, the packaging box according to the embodiment of the present invention will be specifically described with reference to the accompanying drawings. The packaging box according to the present invention is not particularly limited to the one shown in the following embodiments, and can be appropriately modified and implemented without changing the gist thereof.

(First Embodiment)
As shown in FIGS. 1 and 2, the packaging box 100 according to the first embodiment includes a bottom body 10 and a lid body 20 that can be opened and closed with respect to the bottom body 10. In the packaging box 100, the bottom body 10 and the lid body 20 are integrally formed, and the packaging box 100 can be assembled using one sheet. As a material for the sheet of such a packaging box 100, for example, a known cardboard or a plastic sheet can be applied.

(Structure of bottom body)
As shown in FIGS. 2 and 3, the bottom body 10 has a square bottom surface 11 surrounded by four folding lines a, b, c and d as peripheral edges, and a folding line as the peripheral edge of the bottom surface 11. A side wall 12 which is connected via a and is provided so as to extend in a direction substantially perpendicular to the bottom surface 11, and is connected via a folding line b as a peripheral edge of the bottom surface 11 and is connected in a direction substantially perpendicular to the bottom surface 11. A side wall 13 provided so as to extend to the bottom surface 11 and a side wall 14 provided so as to extend in a direction substantially perpendicular to the bottom surface 11 while being connected via a folding line c as a peripheral edge of the bottom surface 11 and the bottom surface 11. Packaged in an area surrounded by a side wall 15 which is connected via a fold line d as a peripheral edge and is provided so as to extend in a direction substantially perpendicular to the bottom surface 11, and a bottom surface 11 and four side walls 12 to 15. The accommodating portion 3 for accommodating the object 30, the flap 16 provided so as to extend from the side wall 13 via the fold line h, and the flap 17 provided so as to extend from the side wall 14 via the fold line l. The bonding flap 18 is provided so as to extend from the side wall 13 via the fold line i, and the bonding flap 19 is provided so as to extend from the side wall 14 via the fold line m. Here, the two side walls 13 and 14 are the urging side walls 13 and 14, respectively, which apply urging force to the packaged object 30 housed in the housing portion 3. These urging side walls 13 and 14 are provided via opposite fold lines b and c of the bottom surface 11, respectively. In addition, the above-mentioned "the side walls 12, 13, 14 and 15 are provided so as to extend in a direction substantially perpendicular to the bottom surface 11" means that the packaged object 30 can be housed in the house 3 without any problem. Refers to the mode in which 3 is formed.

The side wall 12 has a first side wall portion 121 connected to the bottom surface 11 via a fold line a and a second side wall portion 121 connected to the first side wall portion 121 via a fold line e facing the fold line a. It is composed of a side wall portion 122. The first side wall portion 121 and the second side wall portion 122 each have a long side in the extending direction of the folding line a or e and a short side in a direction orthogonal to the extending direction of the folding line a or e, respectively. It has a rectangular shape.

On the long side of the second side wall portion 122 opposite to the fold line e, two trapezoidal insertion pieces 122a are formed so as to protrude from the long side. On the other hand, in the vicinity of the folding line a on the bottom surface 11, two insertion holes 11a into which the two insertion pieces 122a of the second side wall portion 122 can be inserted are formed.

As shown in FIGS. 3, 10 and 11, the urging side wall 13 has a first side wall portion 131 connected to the bottom surface 11 via a linear fold line b and a fold line facing the fold line b. The second side wall portion 132 connected to the first side wall portion 131 via the fold line f curved so as to project to the b side, and the second side wall portion 132 facing the fold line f and projecting to the opposite side of the fold line f. Includes three side wall portions with a third side wall portion 133 connected to the second side wall portion 132 via a curved fold line g.

The first side wall portion 131 has a long side in the extending direction of the folding lines b and f, and has a short side in a direction orthogonal to the extending direction of the folding lines b and f (the extending direction of the folding lines h and i). It is almost rectangular.

The second side wall portion 132 has a long side in the extending direction of the folding lines f and g, and has a shape protruding in both directions of the first side wall portion 131 and the third side wall portion 133.

The third side wall portion 133 has a substantially rectangular shape having a long side in the extending direction of the fold line g and a short side in a direction orthogonal to the extending direction of the fold line g.

The second side wall portion 132 and the third side wall portion 133 as the tip portions of the urging side wall portion 13 are bent toward the accommodating portion 3 or the bottom surface 11. Specifically, the second side wall portion 132 of the urging side wall 13 is bent from the first side wall portion 131 toward the accommodating portion 3. The third side wall portion 133 of the urging side wall portion 13 is bent from the second side wall portion 132 toward the bottom surface 11.

As shown in FIGS. 10 and 11, the tip 133a of the third side wall portion 133 is in contact with the surface 11b of the bottom surface 11.

The first side wall portion 131 is connected to the flap 16 via the fold line h and is connected to the bonding flap 18 via the fold line i.

As shown in FIGS. 10 and 11, the urging force F based on the restoring force of the second side wall portion 132 and the third side wall portion 133 when returning from the bent state to the original state is housed in the housing portion 3. It acts to add to the packaged object 30, so that the packaged object 30 is held so as not to move between the urging side walls 13 and 14.

As shown in FIG. 3, the urging side wall 14 is opposed to the fold line c and protrudes toward the fold line c with the first side wall portion 141 connected to the bottom surface 11 via the linear fold line c. A second side wall portion 142 connected to the first side wall portion 141 via a curved fold line j, and a fold line k that is curved so as to face the fold line j and project to the opposite side of the fold line k. Includes three side wall portions with a third side wall portion 143 connected to the second side wall portion 142 via.

The first side wall portion 141 has a long side in the extending direction of the folding lines c and j, and has a short side in a direction orthogonal to the extending direction of the folding lines c and j (the extending direction of the folding lines l and m). It is almost rectangular.

The second side wall portion 142 has a long side in the extending direction of the folding lines j and k, and has a shape protruding in both directions of the first side wall portion 141 and the third side wall portion 143.

The third side wall portion 143 has a substantially rectangular shape having a long side in the extending direction of the fold line k and a short side in a direction orthogonal to the extending direction of the fold line k.

The first side wall portion 141 and the second side wall portion 142 as the tip portions of the urging side wall 14 are bent toward the accommodating portion 3 or the bottom surface 11. Specifically, the second side wall portion 142 of the urging side wall 14 is bent from the first side wall portion 141 toward the accommodating portion 3. The third side wall portion 143 of the urging side wall 14 is bent from the second side wall portion 142 toward the bottom surface 11.

As shown in FIGS. 10 and 11, the tip 143a of the third side wall portion 143 is in contact with the surface 11b of the bottom surface 11.

Further, the first side wall portion 141 is connected to the flap 17 via the fold line l, and is also connected to the bonding flap 19 via the fold line m.

As shown in FIGS. 10 and 11, the urging force F based on the restoring force when the second side wall portion 142 and the third side wall portion 143 return from the bent state to the original state is housed in the housing portion 3. It acts to add to the packaged object 30, so that the packaged object 30 is held so as not to move between the urging side walls 13 and 14.

As shown in FIGS. 3 and 6, the side wall 15 is connected to the bonding flap 18 via the fold line n and is connected to the bonding flap 19 via the fold line o. The side wall 15 has a long side in the direction in which the fold line d or r extends, and has a short side in the direction in which the fold line n or o extends.

As shown in FIGS. 3 and 12, the bonding flap 18 has a short side (fold line i) of the first side wall portion 131 of the urging side wall 13 and a short side of the side wall 15 when the packaging box 100 is assembled. (Folded line n) is glued so as to be fixed in an overlapping state. Specifically, the bonding flap 18 has two fold lines p and a mountain-shaped cut line 18a sandwiched between the two fold lines p, and these two fold lines p and the cut line p. It is divided into a wide area 181 and a narrow area 182 by 18a. The wide area 181 and the side wall 15 are bonded together by applying glue 35 to the front side of the paper surface of the wide area 181 and folding the wide area 181 toward the front of the paper surface along the two fold lines p.

As shown in FIG. 3, the bonding flap 19 has a short side (fold line m) of the first side wall portion 141 of the urging side wall 14 and a short side (fold line m) of the side wall 15 when the packaging box 100 is assembled. o) is glued so as to be fixed in an overlapping state. Specifically, the bonding flap 19 has two fold lines q and a chevron-shaped cut line 19a sandwiched between the two fold lines q, and these two fold lines p and the cut line p. It is divided into a wide area 191 and a narrow area 192 by 19a. The wide area 191 and the side wall 15 are bonded together by applying glue 35 to the front side of the paper surface of the wide area 191 and folding the wide area 191 toward the front of the paper surface along the two fold lines q.

(Composition of lid)
As shown in FIGS. 1 to 3, the lid 20 is a substantially square shape 1 surrounded by four folding lines r, s, t and u as peripheral edges and connected to the side wall 15 via the folding lines r. The upper surface 21 is connected to the upper surface 21 via a curved fold line s protruding toward the upper surface 21 as a peripheral edge of the upper surface 21, and a flap 22 is provided so as to extend in a direction substantially perpendicular to the upper surface 21. A flap 23 that is connected via a curved fold line t that protrudes toward the upper surface 21 as the peripheral edge of the above surface and is provided so as to extend in a direction substantially perpendicular to the upper surface 21, and a linear flap 23 as the peripheral edge of the upper surface 21. It is provided with a flap 24 which is connected via a folding line u and is provided so as to extend in a direction substantially perpendicular to the upper surface 21. In addition, the above-mentioned "the flaps 22, 23 and 24 are provided so as to extend in a direction substantially perpendicular to the upper surface 21" means that the accommodating portion 3 can accommodate the packaged object 30 in the accommodating portion 3 without any problem. A mode to be formed.

As shown in FIGS. 7 and 8, the upper surface 21 of the lid 20 has a shape that bulges upward when viewed from the side wall 13 or the side wall 14. The flaps 22 and 23 of the lid 20 are urged toward the accommodating portion 3 by the urging side walls 13 and 14 of the bottom body 10, respectively. Further, the flaps 22 and 23 urged by the urging side walls 13 and 14 have a shape corresponding to the surface shape of the urging side walls 13 and 14, and specifically, the surfaces of the flaps 22 and 23 and the urging. It means that the surfaces of the side walls 13 and 14 have substantially the same surface shape so as to be in full contact with each other.

As shown in FIGS. 10 and 11, the flaps 22 and 23 urged by the urging side walls 13 and 14 have their respective tips 22a and 23a in contact with the surface 11b of the bottom surface 11 of the bottom body 10. Further, the tip 24a of the flap 24 is in contact with the surface 11b of the bottom surface 11 of the bottom body 10.

The flap 22 has a substantially quadrangular shape having a long side in the extending direction of the fold line s and a short side in the direction orthogonal to the fold line s.

The flap 23 has a shape similar to that of the flap 22, and has a substantially quadrangular shape having a long side in the direction in which the fold line t extends and a short side in the direction orthogonal to the fold line t.

The flap 24 has a long side in the extending direction of the folding line u and a short side in the direction orthogonal to the folding line u.

(Packaging box assembly procedure)
An example of the assembly procedure of the packaging box 100 will be described with reference to FIG. First, the third side wall portion 133 of the side wall portion 13 of the bottom body 10 is valley-folded along the fold line g, the second side wall portion 132 is valley-folded along the fold line f, and the first side wall portion 131 is folded. Fold the valley along the fold line b. At this time, the bonding flap 18 is valley-folded along the fold line n. Further, the flap 16 is valley-folded along the fold line h.

In the same manner, the third side wall portion 143 of the side wall portion 14 of the bottom body 10 is valley-folded along the fold line k, the second side wall portion 142 is valley-folded along the fold line j, and the first side wall portion 142 is valley-folded. The side wall portion 141 is valley-folded along the fold line c. At this time, the bonding flap 19 is valley-folded along the fold line o. Further, the flap 17 is valley-folded along the fold line l.

Next, the second side wall 122 is valleyd along the fold line e so that the two flaps 16 and 17 are sandwiched between the first side wall 121 and the second side wall 122 of the side wall 12. Fold it, and fold the first side wall portion 121 in a valley along the fold line a. Then, the two insertion pieces 122a of the second side wall portion 122 are inserted into the two insertion holes 11a of the bottom surface 11, respectively.

Next, the flap 22 on the upper surface 21 of the lid 20 is valley-folded along the fold line s. Further, the flap 23 on the upper surface 21 is valley-folded along the fold line t. Further, the flap 24 on the upper surface 21 is valley-folded along the fold line u.

Next, the glue 35 is applied to the front of the paper surface of the wide area 181 of the bonding flap 18, and the glue 35 is applied to the front of the paper surface of the wide area 191 of the bonding flap 19. Then, the fold line p of the bonding flap 18 and the fold line q of the bonding flap 19 are mountain-folded toward the front of the paper surface, and the wide area 181 of the bonding flap 18 and the side wall 15 are bonded and bonded. The wide area 191 of the combined flap 19 and the side wall 15 are bonded together. At this time, the side wall 15 is valley-folded along the fold line d.

Finally, by folding the upper surface 21 of the lid 20 in a valley along the folding line r, the flaps 22, 23 and 24 of the lid 20 are accommodated in the side walls 13, 14 and 12 of the bottom 10, respectively. The packaging box 100 is assembled by being inserted into the side.

According to the first embodiment described above, the following effects can be obtained.

(1) The packaging box 100 according to the first embodiment is configured to be assembleable using one sheet, and has a bottom surface 11 and a bottom surface 11 from fold lines a, b, c and d as peripheral edges of the bottom surface 11. The accommodating portion 3 accommodating the packaged object 30 by the four side walls 12, 13, 14 and 15 provided so as to extend in a direction substantially perpendicular to the bottom surface 11 and the four side walls 12, 13, 14 and 15. And, the bottom body 10 is provided, and two side walls 13 and 14 of the four side walls 12, 13, 14 and 15 are urged to apply a urging force to the packaged object 30 housed in the housing portion 3. The side walls 13 and 14 were used.

According to the above configuration, when the packaging box 100 is moved while the packaged object 30 such as a product is housed in the accommodating portion 3 of the packaging box 100, the urging side wall 13 and the urging side wall 14 are to be packaged with each other. Since the 30 can be urged and held in a pressed state, the packaged object 30 can be made difficult to move in the accommodating portion 3 of the packaging box 100, and as a result, the packaged object 30 is suppressed from being damaged. be able to.

(2) In the packaging box 100 according to the first embodiment, the second side wall portion 132 and the third side wall portion 133 as the tip portion of the urging side wall 13, and the second side wall portion 13 as the tip end portion of the urging side wall 14. The side wall portion 142 of the second side wall portion 142 and the third side wall portion 143 are bent toward the accommodating portion 3 or the bottom surface 11. As a result, a force for returning the tip portions 132 and 133 of the urging side wall 13 and the tip portions 142 and 143 of the urging side wall 14 from the bent state to the original state is applied to the packaged object 30 as an urging force. be able to. Further, since the side walls 13 and 14 constituting the packaging box 100 can be used as the urging side walls 13 and 14 for applying an urging force to the packaged object 30, the function as the side wall of the packaging box 100 and the accommodating portion 30 Each of the urging side walls 13 and 14 can also serve as a function of imparting an urging force to the urging force.

(3) In the packaging box 100 according to the first embodiment, the urging side wall 13 is provided so as to extend in a direction substantially perpendicular to the bottom surface 11 from the fold line b as the peripheral edge of the bottom surface 11. A portion 131, a second side wall portion 132 provided so as to extend from the first side wall portion 131 toward the accommodating portion 3, and a second side wall portion 132 provided so as to extend from the second side wall portion 132 toward the bottom surface 11. The third side wall portion 133 and the like are included. Further, the first side wall portion 141 provided so that the urging side wall 14 extends in a direction substantially perpendicular to the bottom surface 11 from the folding line c as the peripheral edge of the bottom surface 11, and the accommodating portion from the first side wall portion 141. A second side wall portion 142 provided so as to extend toward 3 and a third side wall portion 143 provided so as to extend from the second side wall portion 142 toward the bottom surface 11 are included. .. As a result, the second side wall portion 132 and the third side wall portion 133 that form the urging side wall 13, and the second side wall portion 142 and the third side wall portion 143 that form the urging side wall 14 are bent. Each force that returns from the state to the original state can be applied to the packaged object 30 as an urging force.

(4) In the packaging box 100 according to the first embodiment, the third side wall portion 133 of the urging side wall 13 and the third side wall portion 143 of the urging side wall 14 are projected toward the accommodating portion 3. It was curved. As a result, the strength of the side wall forming the packaging box 100 can be improved, so that when a plurality of packaging boxes 100 are stacked, the packaging boxes 100 can be prevented from being crushed or losing their shape.

(5) In the packaging box 100 according to the first embodiment, the urging side walls 13 and 14 are folded lines b and c as opposite peripheral edges of the folding lines a, b, c and d as the peripheral edges of the bottom surface 11. It was provided in. As a result, the packaged object 30 can be urged toward the center of the opposite peripheral edge by the two urging side walls 13 and 14 provided on the opposite peripheral edges, so that the packaged object 30 can be urged toward the center of the opposite peripheral edge of the packaging box 100. Can be held in the center.

(6) In the packaging box 100 according to the first embodiment, the tip 133a of the urging side wall 13 and the tip 143a of the urging side wall 14 are brought into contact with the bottom surface 11, respectively. As a result, when a plurality of packaging boxes 100 are stacked, the load of the stacked packaging boxes 100 can be received by the tip 133a of the urging side wall 13 and the tip 143a of the urging side wall 14, so that the weight of the urging side wall 13 can be received. As compared with the case where the tip 133a and the tip 143a of the urging side wall 14 are separated from the bottom surface 11, deformation of the packaging box 100 in the load direction can be suppressed. As a result, the strength of the packaging box 100 in the loading direction can be improved.

(7) In the packaging box 100 according to the first embodiment, two of the four side walls 12, 13, 14 and 15 provided on the folding lines a, b, c and d as the four peripheral edges of the bottom surface 11. The side walls 13 and 14 were used as urging side walls. As a result, the two side walls 13 and 14 constituting the packaging box 100 can be used as the urging side walls, so that it is not necessary to separately use a member for urging the packaged object 30, and the number of parts is reduced. can do.

(8) The packaging box 100 according to the first embodiment is configured to be assembleable using a single sheet, and is substantially formed on the upper surface 21 and the upper surface 21 from the fold lines s, t and u as the peripheral edges of the upper surface 21. A lid 20 having three flaps 22, 23 and 24 provided so as to extend in the vertical direction is further provided, and when the bottom body 10 and the lid 20 are combined, the flaps 22 and 23 are respectively provided. It is in contact with the surface of the third side wall portion 133 of the urging side wall 13 and the third side wall portion 143 of the urging side wall 14, and is urged toward the accommodating portion 3 by the urging side walls 13 and 14. As a result, the flaps 22 and 23 of the lid 20 are urged against the accommodating portion 3 by the urging side walls 13 and 14 of the bottom body 10, so that the lid 20 is prevented from being unintentionally opened from the closed state. can do.

(9) In the packaging box 100 according to the first embodiment, the flaps 22 and 23 of the lid 20 urged toward the accommodating portion 3 by the urging side walls 13 and 14 of the bottom body 10 are urged by the urging side wall 13. The shape reflects the surface shapes of and 14. As a result, the contact area between the flaps 22 and 23 of the lid 20 and the urging side walls 13 and 14 of the bottom body 10 can be increased, so that the flaps 22 and 23 of the lid 20 open unintentionally more reliably. Can be suppressed.

(10) In the packaging box 100 according to the first embodiment, the tip 22a of the flap 22 of the lid 20 and the tip 23a of the flap 23 urged toward the accommodating portion 3 by the urging side walls 13 and 14 are used as the bottom body. It was brought into contact with the bottom surface 11 of 10. As a result, when a plurality of packaging boxes 100 are stacked, the load of the stacked packaging boxes 100 can be received by the tip 22a of the flap 22 of the lid 20 and the tip 23a of the flap 23, so that the flap of the lid 20 can be received. Compared with the case where the tip 22a of the 22 and the tip 23a of the flap 23 are separated from the bottom surface 11 of the bottom body 10, deformation of the packaging box 100 in the load direction can be suppressed. As a result, the strength of the packaging box 100 in the loading direction can be improved.

(11) In the packaging box 100 according to the first embodiment, the urging side wall 13 and the urging side wall 13 provided on the bottom surface 11 of the bottom body 10 are provided on each of the fold lines s and t as the two peripheral edges of the top surface 21 of the lid body 20. Two flaps 22 and 23 were provided to correspond to 14. As a result, the two flaps 22 and 23 provided on the upper surface 21 of the lid 20 are urged against the accommodating portion 3 by the urging side walls 13 and 14 of the bottom body 10, so that the flaps 22 and 23 of the lid 20 It is possible to prevent the 23 from opening unintentionally.

(12) In the packaging box 100 according to the first embodiment, the lid 20 and the bottom 10 are integrally formed, and the fold line r as the peripheral edge of the upper surface 21 of the lid 20 is the side wall 15 of the bottom 10. Connected with. Thereby, the lid body 20 and the bottom body 10 can be integrally assembled by using one sheet.

(Second Embodiment)
Next, a second embodiment will be described with reference to FIG. In the packaging box 101 according to the second embodiment, unlike the first embodiment in which two facing side walls are provided, one urging side wall 42 is provided on the bottom surface 41 of the bottom body 40. An example of this will be described.

In the packaging box 101 according to the second embodiment, the bottom body 40 and the lid body 50 are integrally formed, and the packaging box 101 can be assembled using one sheet.

The bottom body 40 is connected to one square bottom surface 41 via a folding line as a peripheral edge of the bottom surface 41, and is provided so as to extend from the peripheral edge of the bottom surface 41 in a direction substantially perpendicular to the bottom surface 41. It is provided with an accommodating portion 3 for accommodating the packaged object 30 in an area surrounded by one side wall 42, 43, 44 and 45 and a bottom surface 41 and four side walls 42, 43, 44 and 45.

One of the four side walls 42, 43, 44 and 45 provided on the bottom surface 41 of the bottom body 40 is a side wall 42 that applies an urging force to the packaged object 30 housed in the housing portion 3. The urging side wall 42 is provided so as to extend from the first side wall portion 421 which is provided so as to extend from the bottom surface 41 via the fold line and from the first side wall portion 421 via the fold line. It includes three side wall portions of two side wall portions 422 and a third side wall portion 423 provided so as to extend from the second side wall portion 422 via a fold line.

The urging side wall 42 has a second side wall portion 422 and a third side wall portion 423 as tip portions bent toward the accommodating portion 3 or the bottom surface 41. Specifically, the second side wall portion 422 of the urging side wall 42 is bent from the first side wall portion 421 toward the accommodating portion 3. The third side wall portion 423 of the urging side wall 42 is bent from the second side wall portion 422 toward the bottom surface 41. Further, the tip of the third side wall portion 423 is in contact with the surface 41b of the bottom surface 41 of the bottom body 40.

The urging force based on the restoring force of the second side wall portion 422 and the third side wall portion 423 of the urging side wall 42 when returning from the bent state to the original state is applied to the packaged object 30 housed in the housing portion 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 42 and 45.

The lid 20 is connected to one substantially square upper surface 51 having four peripheral edges via a folding line as the peripheral edge of the upper surface 51, and is provided so as to extend in a direction substantially perpendicular to the upper surface 51. It has three flaps 52, 53 and 54.

The flap 54 of the lid 20 is urged toward the accommodating portion 3 by the urging side wall 42 of the bottom body 40. Further, the flap 54 urged by the urging side wall 42 has a shape corresponding to the surface shape of the third side wall portion 423 of the urging side wall 42, and specifically, the surface of the flap 54 and the urging side wall. It means that the surfaces of 42 have substantially the same surface shape so as to be in complete contact with each other.

The tip 54a of the flap 54 urged by the urging side wall 42 is in contact with the surface 41b of the bottom surface 41 of the bottom body 40. Further, the flaps 52 and 53 of the lid 50 have their tips 52a and 53a in contact with the surface 41b of the bottom surface 41 of the bottom body 40.

The other configurations of the second embodiment described above are the same as those of the first embodiment.

According to the second embodiment described above, the following effects can be obtained.

(13) The packaging box 101 according to the second embodiment is configured to be assembleable using a single sheet, and is provided so as to extend from the bottom surface 41 and the peripheral edge of the bottom surface 41 in a direction substantially perpendicular to the bottom surface 41. A bottom body 40 comprising four side walls 42, 43, 44 and 45, and a storage portion 3 for accommodating the object to be packaged 30 by the bottom surface 41 and the four side walls 42, 43, 44 and 45. One of the side walls 42, 43, 44 and 45 was used as the urging side wall 42 for applying an urging force to the packaged object 30 housed in the housing portion 3.

According to the above configuration, when the packaging box 101 is moved while the packaged object 30 such as a product is housed in the accommodating portion 3 of the packaging box 101, the packaged object 30 is urged against the urging side wall 42. Since it can be held in a pressed state, the packaged object 30 can be made difficult to move in the housing portion 3 of the packaging box 101, and as a result, damage to the packaged object 30 can be suppressed.

(14) In the packaging box 101 according to the second embodiment, the second side wall portion 422 and the third side wall portion 423 as the tip ends of the urging side wall 42 are bent toward the accommodating portion 3 or the bottom surface 11. I made it. As a result, a force for returning the tip portions 422 and 423 of the urging side wall 42 from the bent state to the original state can be applied to the packaged object 30 as an urging force. Further, since the side wall 42 constituting the packaging box 101 can be used as the urging side wall 42 for applying an urging force to the object to be packaged 30, it functions as a side wall of the packaging box 101 and is attached to the accommodating portion 30. The urging side wall 42 can also serve as a force-giving function.

(15) In the packaging box 101 according to the second embodiment, the urging side wall 42 has a first side wall portion 421 provided so as to extend from the peripheral edge of the bottom surface 41 in a direction substantially perpendicular to the bottom surface 41. A second side wall portion 422 provided so as to extend from the side wall portion 421 of 1 toward the accommodating portion 3, and a third side wall portion provided so as to extend from the second side wall portion 422 toward the bottom surface 11. It is included with the part 423. As a result, a force for returning the second side wall portion 422 and the third side wall portion 423 constituting the urging side wall 42 from the bent state to the original state can be applied to the packaged object 30 as urging force. ..

(16) In the packaging box 101 according to the second embodiment, the third side wall portion 423 of the urging side wall 42 is curved so as to project toward the accommodating portion 3. As a result, the strength of the side wall forming the packaging box 101 can be improved, so that when a plurality of packaging boxes 101 are stacked, the packaging boxes 101 can be prevented from being crushed or losing their shape.

(17) In the packaging box 101 according to the second embodiment, the urging side wall 42 is provided on one peripheral edge of the bottom surface 41. As a result, the object to be packaged 30 can be urged toward the center of the accommodating portion 3 by one urging side wall 42, so that the object to be packaged 30 can be held in the center of the packaging box 101.

(18) In the packaging box 101 according to the second embodiment, the tip of the urging side wall 42 is brought into contact with the surface 41b of the bottom surface 41. As a result, when a plurality of packaging boxes 101 are stacked, the load of the stacked packaging boxes 101 can be received by the tip of the urging side wall 42, so that the tip of the urging side wall 42 is separated from the bottom surface 11. Compared with the case, the deformation of the packaging box 101 in the weighting direction can be suppressed. As a result, the strength of the packaging box 101 in the load direction can be improved.

(19) In the packaging box 101 according to the second embodiment, the bottom surface 41 has one side wall 42 of the four side walls 42, 43, 44 and 45 provided on the four peripheral edges as an urging side wall. As a result, one side wall 42 constituting the packaging box 101 can be used as an urging side wall, so that it is not necessary to separately use a member for urging the packaged object 30, and the number of parts can be reduced. Can be done.

(20) The packaging box 101 according to the second embodiment is configured to be assembleable using a single sheet, and is provided so as to extend from the upper surface 51 and the peripheral edge of the upper surface 51 in a direction substantially perpendicular to the upper surface 51. A lid 50 having three flaps 52, 53 and 54 is further provided, and when the bottom body 40 and the lid 50 are combined, the flap 54 is attached to the third side wall portion 423 of the urging side wall 42. It is in contact with the surface on the accommodating portion 3 side and is urged toward the accommodating portion 3 by the urging side wall 42. As a result, the flap 54 of the lid 50 is urged against the accommodating portion 3 by the urging side wall 42 of the bottom body 40, so that it is possible to prevent the lid 50 from being unintentionally opened from the closed state. ..

(21) In the packaging box 101 according to the second embodiment, the flap 54 of the lid 50 urged toward the accommodating portion 3 by the urging side wall 42 of the bottom body 40 is provided with the surface shape of the urging side wall 42. The shape is reflected. As a result, the contact area between the flap 54 of the lid 50 and the urging side wall 42 of the bottom body 40 can be increased, so that the flap 54 of the lid 50 can be more reliably prevented from opening unintentionally. it can.

(22) In the packaging box 101 according to the second embodiment, the tip 54a of the flap 54 of the lid 50 urged toward the accommodating portion 3 by the urging side wall 42 is brought into contact with the bottom surface 41 of the bottom body 40. .. As a result, when a plurality of packaging boxes 101 are stacked, the load of the stacked packaging boxes 101 can be received by the tip 54a of the flap 54 of the lid 50, so that the tip 54a of the flap 54 of the lid 50 is the bottom. Compared with the case where the body 40 is separated from the bottom surface 11, the deformation of the packaging box 101 in the load direction can be suppressed. As a result, the strength of the packaging box 101 in the load direction can be improved.

(23) In the packaging box 101 according to the second embodiment, one flap 54 is provided on one peripheral edge of the upper surface 51 of the lid 50 so as to correspond to the urging side wall 42 provided on the bottom surface 11 of the bottom body 40. Provided. As a result, one flap 54 provided on the upper surface 51 of the lid 50 is urged against the accommodating portion 3 by the urging side wall 42 of the bottom body 40, so that the flap 54 of the lid 50 opens unintentionally. Can be suppressed.

(24) In the packaging box 101 according to the second embodiment, the lid 50 and the bottom 40 are integrally formed, and the peripheral edge of the upper surface 51 of the lid 50 is connected to the side wall 45 of the bottom 40. As a result, the lid 50 and the bottom 40 can be integrally assembled using one sheet.

(Third Embodiment)
Next, a third embodiment will be described with reference to FIG. The packaging box 102 according to the third embodiment has a bottom unlike the first embodiment provided with two opposing side walls and the second embodiment provided with one urging side wall. An example in which four urging side walls 62, 63, 64 and 65 are provided on the bottom surface 61 of the body 60 will be described.

In the packaging box 102 according to the third embodiment, the bottom body 60 and the lid body 70 are integrally formed, and the packaging box 102 can be assembled using one sheet.

The bottom body 60 is connected to one square bottom surface 61 via a folding line as a peripheral edge of the bottom surface 61, and is provided so as to extend from the peripheral edge of the bottom surface 61 in a direction substantially perpendicular to the bottom surface 61. It is provided with an accommodating portion 3 for accommodating an object to be packaged in an area surrounded by one side wall 62, 63, 64 and 65 and a bottom surface 61 and four side walls 62, 63, 64 and 65.

All of the four side walls 62, 63, 64 and 65 provided on the bottom surface 61 of the bottom body 60 are urging side walls that apply urging force to the packaged object 30 housed in the housing portion 3. The urging side wall 62 is provided so as to extend from the first side wall portion 621 provided so as to extend from the bottom surface 61 via the fold line and to extend from the first side wall portion 621 via the fold line. It includes three side wall portions of two side wall portions 622 and a third side wall portion 623 provided so as to extend from the second side wall portion 622 via a folding line.

The urging side wall 62 has a second side wall portion 622 and a third side wall portion 623 as tip portions bent toward the accommodating portion 3 or the bottom surface 11. Specifically, the second side wall portion 622 of the urging side wall 62 is bent from the first side wall portion 621 toward the accommodating portion 3. The third side wall portion 623 of the urging side wall 62 is bent from the second side wall portion 622 toward the bottom surface 61. Further, the tip of the third side wall portion 623 is in contact with the surface 61b of the bottom surface 61 of the bottom body 60.

The urging force based on the restoring force of the second side wall portion 622 and the third side wall portion 623 of the urging side wall 62 when returning from the bent state to the original state is applied to the packaged object 30 housed in the housing portion 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 62 and 65.

The urging side wall 63 is provided so as to extend from the first side wall portion 631 which is connected via the fold line and extends from the bottom surface 61 and the first side wall portion 631 which is provided so as to extend from the bottom surface 61. It includes three side wall portions, a second side wall portion 632 which is provided, and a third side wall portion 633 which is provided so as to extend from the second side wall portion 632 via a folding line.

In the urging side wall 63, the second side wall portion 632 and the third side wall portion 633 as the tip portions are bent toward the accommodating portion 3 or the bottom surface 11. Specifically, the second side wall portion 632 of the urging side wall 63 is bent from the first side wall portion 631 toward the accommodating portion 3. The third side wall portion 633 of the urging side wall 63 is bent from the second side wall portion 632 toward the bottom surface 61. Further, the tip of the third side wall portion 623 is in contact with the surface 61b of the bottom surface 61 of the bottom body 60.

The urging force based on the restoring force when the second side wall portion 632 and the third side wall portion 633 of the urging side wall 63 return from the bent state to the original state is the packaged object 30 housed in the housing part 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 63 and 64.

The urging side wall 64 has a first side wall portion 641 provided so as to extend from the bottom surface 61 via a fold line, and a second side wall portion 641 provided so as to extend from the first side wall portion 641 via the fold line. A side wall portion 642 of the above and a third side wall portion 643 provided so as to extend from the second side wall portion 642 via a folding line.

In the urging side wall 64, a second side wall portion 642 and a third side wall portion 643 as tip portions are bent toward the accommodating portion 3 or the bottom surface 11. Specifically, the second side wall portion 622 of the urging side wall 62 is bent from the first side wall portion 621 toward the accommodating portion 3. The third side wall portion 623 of the urging side wall 62 is bent from the second side wall portion 622 toward the bottom surface 61. Further, the tip of the third side wall portion 643 is in contact with the surface 61b of the bottom surface 61 of the bottom body 60.

The urging force based on the restoring force of the second side wall portion 642 and the third side wall portion 643 of the urging side wall 64 when returning from the bent state to the original state is applied to the packaged object 30 housed in the housing portion 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 63 and 64.

The urging side wall 65 is provided with a first side wall portion 651 provided so as to extend from the bottom surface 61 via a fold line and a second side wall portion 651 provided so as to extend from the first side wall portion 651 via the fold line. Includes two side walls with a side wall of 652.

In the urging side wall 65, a second side wall portion 652 as a tip portion is bent toward the accommodating portion 3 or the bottom surface 11. Further, the second side wall portion 652 of the urging side wall 65 is formed by partially cutting up the side wall 65 toward the bottom surface 61 side.

The urging force based on the restoring force when the second side wall portion 652 of the urging side wall 65 returns from the bent state to the original state acts to be applied to the packaged object 30 housed in the housing portion 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 62 and 65.

The lid 70 is provided so as to be connected to the upper surface 71 via a substantially square upper surface 71 having four peripheral edges and a folding line as the peripheral edge of the upper surface 71 and to extend in a direction substantially perpendicular to the upper surface 71. It is provided with three flaps 72, 73 and 74.

The flaps 72, 73 and 74 of the lid 70 are urged toward the accommodating portion 3 by the urging side walls 62, 63 and 64 of the bottom body 60, respectively. The flap 74 urged by the urging side wall 62 has a shape corresponding to the surface shape of the third side wall portion 623 of the urging side wall 62, and has substantially the same surface shape so that these surfaces are in full contact with each other. have. The flap 72 urged by the urging side wall 63 has a shape corresponding to the surface shape of the third side wall portion 633 of the urging side wall 63, and has substantially the same surface shape so that these surfaces are in full contact with each other. have. The flap 73 urged by the urging side wall 64 has a shape corresponding to the surface shape of the third side wall portion 643 of the urging side wall 64, and has substantially the same surface shape so that these surfaces are in full contact with each other. have.

The flap 74 urged by the urging side wall 62 has its tip 74a in contact with the surface 61b of the bottom surface 61 of the bottom body 60. The flap 72 urged by the urging side wall 63 has its tip 72a in contact with the surface 61b of the bottom surface 61 of the bottom body 60. The flap 73 urged by the urging side wall 64 has its tip 73a in contact with the surface 61b of the bottom surface 61 of the bottom body 60.

The other configurations of the third embodiment described above are the same as those of the first and second embodiments.

According to the third embodiment described above, the following effects can be obtained.

(25) The packaging box 102 according to the third embodiment is configured to be assembleable using one sheet, and is provided so as to extend from the bottom surface 61 and the peripheral edge of the bottom surface 61 in a direction substantially perpendicular to the bottom surface 61. A bottom body 60 comprising a bottom surface 61 and a housing portion 3 for accommodating an object to be packaged 30 by means of four side walls 62, 63, 64 and 65, and four side walls 62, 63, 64 and 65. Of the two side walls 62, 63, 64 and 65, all the side walls 62, 63, 64 and 65 are urged side walls 62, 63, 64 and for applying a urging force to the packaged object 30 housed in the housing portion 3. It was set to 65.

According to the above configuration, when the packaging box 102 is moved while the packaged object 30 such as a product is housed in the housing portion 3 of the packaging box 102, the urging side walls 62, 63, 64, and 65 are respectively. Since the packaged object 30 can be held in a urged and pressed state, the packaged object 30 can be made difficult to move in the accommodating portion 3 of the packaging box 102, and as a result, the packaged object 30 is damaged. Can be suppressed.

(26) In the packaging box 102 according to the third embodiment, the second side wall portion 622 and the third side wall portion 623 as the tip end portion of the urging side wall 62, and the second side wall portion 623 as the tip end portion of the urging side wall 63. The side wall portion 632 and the third side wall portion 633, the second side wall portion 642 and the third side wall portion 643 as the tip portion of the urging side wall portion 64, and the second side wall portion as the tip portion of the urging side wall portion 65. The 652 was bent toward the accommodating portion 3 or the bottom surface 61, respectively. As a result, a force for returning the urging side walls 62, 63, 64 and 65 from the bent state to the original state can be applied to the packaged object 30 as an urging force. Further, since the side walls 62, 63, 64 and 65 constituting the packaging box 102 can be used as the urging side walls 62, 63, 64 and 65 for applying an urging force to the packaged object 30, the packaging box 102 The function as a side wall and the function of giving an urging force to the accommodating portion 30 can be combined by each of the urging side walls 62, 63, 64 and 65.

(27) In the packaging box 102 according to the third embodiment, the urging side wall 62 has a first side wall portion 621 provided so as to extend from the peripheral edge of the bottom surface 61 in a direction substantially perpendicular to the bottom surface 61, and a first side wall portion 621. A second side wall portion 622 provided so as to extend from the side wall portion 621 of 1 toward the accommodating portion 3, and a third side wall portion provided so as to extend from the second side wall portion 622 toward the bottom surface 61. The part 623 and the like are included. Further, the urging side wall 63 extends from the peripheral edge of the bottom surface 61 toward the accommodating portion 3 from the first side wall portion 631 provided so as to extend in a direction substantially perpendicular to the bottom surface 61 and the first side wall portion 631. The second side wall portion 632 provided as described above and the third side wall portion 633 provided so as to extend from the second side wall portion 632 toward the bottom surface 61 are included. Further, the urging side wall 64 extends from the peripheral edge of the bottom surface 61 toward the accommodating portion 3 from the first side wall portion 641 provided so as to extend in a direction substantially perpendicular to the bottom surface 61 and the first side wall portion 641. The second side wall portion 642 provided as described above and the third side wall portion 643 provided so as to extend from the second side wall portion 642 toward the bottom surface 61 are included. Further, the urging side wall 65 extends from the peripheral edge of the bottom surface 61 toward the accommodating portion 3 from the first side wall portion 651 provided so as to extend in a direction substantially perpendicular to the bottom surface 61 and the first side wall portion 651. The second side wall portion 652 provided in the above manner is included. As a result, the second side wall portion 622 and the third side wall portion 623 constituting the urging side wall 62, the second side wall portion 632 and the third side wall portion 633 forming the urging side wall 63, and the urging side wall 64 are formed. The force of the second side wall portion 642, the third side wall portion 643, and the second side wall portion 652 constituting the urging side wall 65 to return from the bent state to the original state is applied as the urging force. It can be added to the package 30.

(28) In the packaging box 102 according to the third embodiment, the third side wall portion 623 of the urging side wall 62, the third side wall portion 633 of the urging side wall 63, and the third side wall portion of the urging side wall 64. The portion 643 was curved so as to protrude toward the accommodating portion 3. As a result, the strength of the side walls constituting the plurality of packaging boxes 102 can be improved, so that when the packaging boxes 102 are stacked, the packaging boxes 102 can be prevented from being crushed or losing their shape.

(29) In the packaging box 102 according to the third embodiment, the urging side walls 62, 63, 64 and 65 are provided on all the peripheral edges of the four peripheral edges of the bottom surface 61. As a result, the packaged object 30 can be urged toward the center of the accommodating portion 3 by the urging side walls 62, 63, 64 and 65 provided on all four peripheral edges, so that the packaged object 30 is packaged. It can be held in the center of the box 102.

(30) In the packaging box 102 according to the third embodiment, the tip of the third side wall portion 623 of the urging side wall 62, the tip of the third side wall portion 633 of the urging side wall 63, and the third of the urging side wall 64. The tip of the side wall portion 643 and the tip of the second side wall portion 652 of the urging side wall 65 were brought into contact with the surface 61b of the bottom surface 61. As a result, when a plurality of packaging boxes 102 are stacked, the load of the stacked packaging boxes 102 can be received by the tips of the urging side walls 62, 63, 64 and 65, respectively, and thus the urging side walls 62, 63. , 64 and 65, respectively, can suppress deformation of the packaging box 102 in the loading direction as compared with the case where the tips thereof are separated from the bottom surface 61. As a result, the strength of the packaging box 102 in the load direction can be improved.

(31) In the packaging box 102 according to the third embodiment, all of the four side walls 62, 63, 64, and 65 provided along the four peripheral edges of the bottom surface 61 are used as urging side walls. As a result, the four side walls 62, 63, 64 and 65 constituting the packaging box 102 can be used as the urging side walls, so that it is not necessary to separately use a member for urging the packaged object 30. The number of parts can be reduced.

(32) The packaging box 102 according to the third embodiment is configured to be assembleable using one sheet, and is provided so as to extend from the upper surface 71 and the peripheral edge of the upper surface 71 in a direction substantially perpendicular to the upper surface 71. A lid 70 having three flaps 72, 73 and 74 is further provided, and when the bottom 60 and the lid 70 are combined, the flaps 72, 73 and 74 are attached to the urging sidewalls 62, 63 and respectively. It is in contact with the surface of 64 on the side of the accommodating portion 3, and is urged toward the accommodating portion 3 by the urging side walls 62, 63 and 64. As a result, the flaps 72, 73 and 74 of the lid 70 are urged against the accommodating portion 3 by the urging side walls 62, 63 and 64 of the bottom body 60, so that the lid 70 is unintentionally closed. It can be suppressed from opening.

(33) In the packaging box 102 according to the third embodiment, the flaps 72, 73, and 74 of the lid 70 urged toward the accommodating portion 3 by the urging side walls 62, 63, and 64 of the bottom body 60. The shape reflects the surface shapes of the urging side walls 62, 63 and 64, respectively. As a result, the contact area between the flaps 72, 73 and 74 of the lid 70 and the urging side walls 62, 63 and 64 of the bottom body 60 can be increased, so that the flaps 72, 73 and 74 of the lid 70 can be more reliably used. It is possible to prevent the 74 from opening unintentionally.

(34) In the packaging box 102 according to the third embodiment, the flaps 72, 73 and 74 of the lid 70 urged toward the accommodating portion 3 by the urging side walls 62, 63 and 64 of the bottom body 60, respectively. The tips 72a, 73a and 74a of the bottom body 60 were brought into contact with the surface 61b of the bottom surface 61 of the bottom body 60. As a result, when a plurality of packaging boxes 102 are stacked, the load of the stacked packaging boxes 102 can be received by the tips 72a, 73a, and 74a of the flaps 72, 73, and 74 of the lid 70, respectively. The deformation of the packaging box 102 in the load direction is suppressed as compared with the case where the tips 72a, 73a and 74a of the flaps 72, 73 and 74 of the body 70 are separated from the surface 61b of the bottom surface 61 of the bottom body 60. be able to. As a result, the strength of the packaging box 102 in the load direction can be improved.

(35) In the packaging box 102 according to the third embodiment, the urging side walls 62, 63, and 64 provided on the bottom surface 61 of the bottom body 60 correspond to each of the three peripheral edges of the top surface 71 of the lid body 70. Was provided with three flaps 72, 73 and 74. As a result, the three flaps 72, 73 and 74 provided on the upper surface 71 of the lid 70 are urged against the accommodating portion 3 by the urging side walls 62, 63 and 64 of the bottom 60, so that the lid 70 The flaps 72, 73 and 74 of the above can be prevented from opening unintentionally.

(36) In the packaging box 102 according to the third embodiment, the lid 70 and the bottom 60 are integrally configured, and one peripheral edge of the upper surface 71 of the lid 70 is connected to the side wall 65 of the bottom 60. .. Thereby, the lid body 70 and the bottom body 60 can be integrally assembled by using one sheet.

(Fourth Embodiment)
Next, a fourth embodiment will be described with reference to FIG. In the packaging box 103 according to the fourth embodiment, unlike the first embodiment in which the bottom body and the lid body are integrally formed, the bottom body and the lid body are formed as separate bodies, and two An example in which facing urging side walls are provided will be described.

In the packaging box 103 according to the fourth embodiment, the bottom body 80 and the lid body 90 are formed as separate bodies, and the bottom body 80 and the lid body 90 are used in combination. The bottom body 80 and the lid body 90 can be assembled using one sheet each, and the lid body 90 can be opened and closed (fitted) with respect to the bottom body 80 after assembly.

The bottom body 80 is provided so as to be connected to one square bottom surface 81 via each of the four folding lines as the peripheral edge of the bottom surface 81 and to extend from the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81. It is provided with a housing portion 3 for accommodating the packaged object 30 in an area surrounded by the four side walls 82, 83, 84 and 85, and the bottom surface 81 and the four side walls 82, 83, 84 and 85. ..

Two of the four side walls 82, 83, 84 and 85 provided on the bottom surface 81 of the bottom body 80 are opposed to each other, and the side walls 83 and 84 are urged to apply urging force to the packaged object 30 housed in the housing portion 3. It is a side wall. The urging side wall 83 is connected to the bottom surface 81 via a fold line and is connected to a first side wall portion 831 provided so as to extend from the bottom surface 81 and a first side wall portion 831 via a fold line. It is connected to the second side wall portion 832 provided so as to extend from the first side wall portion 831 and the second side wall portion 832 via a folding line, and extends from the second side wall portion 832. Includes three side wall portions with a third side wall portion 833 provided in.

The urging side wall 83 has a second side wall portion 832 and a third side wall portion 833 as tip portions bent toward the accommodating portion 3 or the bottom surface 81. Specifically, the second side wall portion 832 of the urging side wall 83 is bent from the first side wall portion 831 toward the accommodating portion 3. The third side wall portion 833 of the urging side wall 83 is bent from the second side wall portion 832 toward the bottom surface 81.

The urging force based on the restoring force of the second side wall portion 832 and the third side wall portion 833 of the urging side wall 83 when returning from the bent state to the original state is applied to the packaged object 30 housed in the housing portion 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 83 and 84.

The urging side wall 84 has a first side wall portion 841 provided so as to extend from the bottom surface 81 via the fold line, and a second side wall portion 841 provided so as to extend from the first side wall portion 841 via the fold line. Includes three side wall portions, a side wall portion 842 of the above, and a third side wall portion 843 provided so as to extend from the second side wall portion 842 via a folding line.

In the urging side wall 84, the second side wall portion 842 and the third side wall portion 843 as the tip portions are bent toward the accommodating portion 3 or the bottom surface 81. Specifically, the second side wall portion 842 of the urging side wall 84 is bent from the first side wall portion 841 toward the accommodating portion 3. The third side wall portion 843 of the urging side wall 84 is bent from the second side wall portion 842 toward the bottom surface 81.

The urging force based on the restoring force of the second side wall portion 842 and the third side wall portion 843 of the urging side wall 84 when returning from the bent state to the original state is applied to the packaged object 30 housed in the housing portion 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 83 and 84.

The lid 90 is connected to one substantially square upper surface 91 having four peripheral edges via a folding line as the peripheral edge of the upper surface 91, and is provided so as to extend in a direction substantially perpendicular to the upper surface 91. It has four flaps 92, 93, 94 and 95.

The flap 93 of the lid 90 is urged toward the accommodating portion 3 by the urging side wall 83 of the bottom body 80. Further, the flap 93 urged by the urging side wall 83 has a shape corresponding to the surface shape of the third side wall portion 833 of the urging side wall 83, and specifically, the surface of the flap 93 and the urging side wall. It means that the surface of 83 has substantially the same surface shape so as to be in complete contact with the surface. Further, the tip 93a of the flap 93 urged by the urging side wall 83 is in contact with the surface 81b of the bottom surface 81 of the bottom body 80.

The flap 94 of the lid 90 is urged toward the accommodating portion 3 by the urging side wall 84 of the bottom body 80. Further, the flap 94 urged by the urging side wall 84 has a shape corresponding to the surface shape of the third side wall portion 843 of the urging side wall 84, and specifically, the surface of the flap 94 and the urging side wall. It means that the surface of 84 has substantially the same surface shape so as to be in complete contact with the surface. Further, the flap 94 urged by the urging side wall 84 has its tip 94a in contact with the surface 81b of the bottom surface 81 of the bottom body 80. The flaps 92 and 95 of the lid 90 have their respective tips 92a and 95a in contact with the surface 81b of the bottom surface 81 of the bottom body 80.

The other configurations of the fourth embodiment described above are the same as those of the first embodiment.

According to the fourth embodiment described above, the following effects can be obtained.

(37) The packaging box 103 according to the fourth embodiment is configured to be assembleable using a single sheet, and is provided so as to extend from the bottom surface 81 and the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81. 4. A bottom body 80 having a bottom surface 81 and a housing portion 3 for accommodating an object to be packaged 30 by means of four side walls 82, 83, 84 and 85 and four side walls 82, 83, 84 and 85. Of the two side walls 82, 83, 84 and 85, two side walls 83 and 84 are used as urging side walls 83 and 84 for applying urging force to the packaged object 30 housed in the housing portion 3.

According to the above configuration, when the packaging box 103 is moved while the packaged object 30 such as a product is housed in the accommodating portion 3 of the packaging box 103, the urging side wall 83 and the urging side wall 84 are to be packaged with each other. Since the 30 can be urged and held in a pressed state, the packaged object 30 can be made difficult to move in the accommodating portion 3 of the packaging box 103, and as a result, the packaged object 30 is suppressed from being damaged. be able to.

(38) In the packaging box 103 according to the fourth embodiment, the second side wall portion 832 and the third side wall portion 833 as the tip portions of the urging side wall 83, and the second side wall portion 84 as the tip portion of the urging side wall 84. The side wall portion 842 of the second side wall portion 842 and the third side wall portion 843 are bent toward the accommodating portion 3 or the bottom surface 81. As a result, the force to return the tips 832 and 833 of the urging side wall 83 and the 842 and 843 as the tip of the urging side wall 84 from the bent state to the original state is used as the urging force against the packaged item 30. Can be added. Further, since the side walls 83 and 84 constituting the packaging box 103 can be used as the urging side walls 83 and 84 for applying an urging force to the packaged object 30, the function as the side wall of the packaging box 103 and the accommodating portion 30 Each of the urging side walls 83 and 84 can also serve as a function of giving an urging force to the urging.

(39) In the packaging box 103 according to the fourth embodiment, the urging side wall 83 has a first side wall portion 831 provided so as to extend from the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81, and a first side wall portion 831. A second side wall portion 832 provided so as to extend from the side wall portion 831 of 1 toward the accommodating portion 3, and a third side wall portion provided so as to extend from the second side wall portion 832 toward the bottom surface 81. It is included with the part 833. Further, the urging side wall 84 extends from the peripheral edge of the bottom surface 81 toward the accommodating portion 3 from the first side wall portion 841 provided so as to extend in a direction substantially perpendicular to the bottom surface 81 and the first side wall portion 841. The second side wall portion 842 provided as described above and the third side wall portion 843 provided so as to extend from the second side wall portion 842 toward the bottom surface 81 are included. As a result, from the folded state of the second side wall portion 832 and the third side wall portion 833 constituting the urging side wall 83, and the second side wall portion 842 and the third side wall portion 843 constituting the urging side wall 84. Each force that returns to the original state can be applied to the packaged object 30 as an urging force.

(40) In the packaging box 103 according to the fourth embodiment, the third side wall portion 833 of the urging side wall 83 and the third side wall portion 843 of the urging side wall 84 project toward the accommodating portion 3. It was curved. As a result, the strength of the side walls constituting the plurality of packaging boxes 103 can be improved, so that when the packaging boxes 103 are stacked, the packaging boxes 103 can be prevented from being crushed or losing their shape.

(41) In the packaging box 103 according to the fourth embodiment, the urging side walls 83 and 84 are provided on the opposite peripheral edges of the peripheral edges of the bottom surface 81. As a result, the packaged object 30 can be urged toward the center of the opposite peripheral edge by the two urging side walls 83 and 84 provided on the opposite peripheral edges, so that the packaged object 30 can be urged toward the center of the opposite peripheral edge. Can be held in the center.

(42) In the packaging box 103 according to the fourth embodiment, the tip of the urging side wall 83 and the tip of the urging side wall 84 are brought into contact with the surface 81b of the bottom surface 81. As a result, when a plurality of packaging boxes 103 are stacked, the load of the stacked packaging boxes 103 can be received by the tip of the urging side wall 83 and the tip of the urging side wall 84, so that the tip of the urging side wall 83 and the tip of the urging side wall 83 can be received. Compared with the case where the tip of the urging side wall 84 is separated from the bottom surface 81, the deformation of the packaging box 103 in the weighting direction can be suppressed. As a result, the strength of the packaging box 103 in the load direction can be improved.

(43) In the packaging box 103 according to the fourth embodiment, two side walls 83 and 84 of the four side walls 82, 83, 84 and 85 provided along the four peripheral edges of the bottom surface 81 are used as the urging side walls. did. As a result, the two side walls 83 and 84 constituting the packaging box 103 can be used as the urging side walls, so that it is not necessary to separately use a member for urging the packaged object 30, and the number of parts is reduced. can do.

(44) The packaging box 103 according to the fourth embodiment is configured to be assembleable using one sheet, and is provided so as to extend from the upper surface 91 and the peripheral edge of the upper surface 91 in a direction substantially perpendicular to the upper surface 91. A lid 90 having four flaps 92, 93, 94 and 95 is further provided, and when the bottom 80 and the lid 90 are combined, the flaps 93 and 94 accommodate the urging sidewalls 83 and 84. It is in contact with the surface on the side of the portion 3 and is urged toward the accommodating portion 3 by the urging side walls 83 and 84. As a result, the flaps 93 and 94 of the lid 90 are urged against the accommodating portion 3 by the urging side walls 83 and 84 of the bottom body 80, so that the lid 90 is prevented from being unintentionally opened from the closed state. can do.

(45) In the packaging box 103 according to the fourth embodiment, the flaps 93 and 94 of the lid 90 urged toward the accommodating portion 3 by the urging side walls 83 and 84 of the bottom body 80 are urged by the urging side wall 83. The shape reflects the surface shapes of and 84. As a result, the contact area between the flaps 93 and 94 of the lid 90 and the urging side walls 83 and 84 of the bottom body 80 can be increased, so that the flaps 93 and 94 of the lid 90 open unintentionally more reliably. Can be suppressed.

(46) In the packaging box 103 according to the fourth embodiment, the tip 93a of the flap 93 of the lid 90 and the tip 94a of the flap 94 urged toward the accommodating portion 3 by the urging side walls 83 and 84 are bottomed. It was brought into contact with the surface 81b of the bottom surface 81 of 80. As a result, when a plurality of packaging boxes 103 are stacked, the load of the stacked packaging boxes 103 can be received by the tip 93a of the flap 93 of the lid 90 and the tip 94a of the flap 94, so that the flap of the lid 90 can be received. Compared with the case where the tip 93a of the 93 and the tip 94a of the flap 94 are separated from the surface 81b of the bottom surface 81 of the bottom body 80, the deformation of the packaging box 103 in the load direction can be suppressed. As a result, the strength of the packaging box 103 in the load direction can be improved.

(47) In the packaging box 103 according to the fourth embodiment, 2 so as to correspond to the urging side walls 83 and 84 provided on the bottom surface 81 of the bottom body 80 on each of the two peripheral edges of the top surface 91 of the lid body 90. Two flaps 93 and 94 were provided. As a result, the two flaps 93 and 94 provided on the upper surface 91 of the lid 90 are urged against the accommodating portion 3 by the urging side walls 83 and 84 of the bottom 80, so that the flaps 93 and 94 of the lid 90 It is possible to prevent the 94 from opening unintentionally.

(48) In the packaging box 103 according to the fourth embodiment, the lid 90 and the bottom 80 are separately formed. Thereby, the lid body 90 and the bottom body 80 can be separately assembled by using one sheet.

(Fifth Embodiment)
Next, a fifth embodiment will be described with reference to FIG. In the packaging box 104 according to the fifth embodiment, unlike the fourth embodiment in which the bottom body and the lid body are formed separately and two urging side walls facing each other are provided, the bottom body and the lid are provided. An example will be described in which the body is configured as a separate body and one urging side wall is provided.

In the packaging box 104 according to the fifth embodiment, the bottom body 801 and the lid body 901 are separately formed, and the bottom body 801 and the lid body 901 are used in combination. The bottom body 801 and the lid body 901 can be assembled using one sheet each, and the lid body 901 can be opened and closed (fitted) with respect to the bottom body 801 after assembly.

The bottom body 801 is provided so as to be connected to one square bottom surface 81 via each of the four folding lines as the peripheral edge of the bottom surface 81 and to extend from the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81. It is provided with an accommodating portion 3 for accommodating the packaged object 30 in an area surrounded by the four side walls 82, 84, 85 and 86, and the bottom surface 81 and the four side walls 82, 84, 85 and 86. ..

The urging side wall 84 is connected to the bottom surface 81 via a fold line and is connected to a first side wall portion 841 provided so as to extend from the bottom surface 81 and to the first side wall portion 841 via a fold line. A second side wall portion 842 provided so as to extend from the first side wall portion 841 and connected to the second side wall portion 842 via a fold line and extend from the second side wall portion 842. It includes three side wall portions with a third side wall portion 843 provided.

In the urging side wall 84, a second side wall portion 842 and a third side wall portion 843 as tip portions are bent toward the accommodating portion 3 or the bottom surface 81. Specifically, the second side wall portion 842 of the urging side wall 84 is bent from the first side wall portion 841 toward the accommodating portion 3. The third side wall portion 843 of the urging side wall 84 is bent from the second side wall portion 842 toward the bottom surface 81.

The urging force based on the restoring force of the second side wall portion 842 and the third side wall portion 843 of the urging side wall 84 when returning from the bent state to the original state is applied to the packaged object 30 housed in the housing portion 3. As a result, the object to be packaged 30 is held so as not to move between the urging side wall 84 and the side wall 86.

The lid 901 is connected via each of one substantially square upper surface 91 having four peripheral edges and each of the four folding lines as the peripheral edges of the upper surface 91, and extends in a direction substantially perpendicular to the upper surface 91. It has four flaps 92, 94, 95 and 96 provided.

The flap 94 of the lid 901 is urged toward the accommodating portion 3 by the urging side wall 84 of the bottom body 801. Further, the flap 94 urged by the urging side wall 84 has a shape corresponding to the surface shape of the third side wall portion 843 of the urging side wall 84, and specifically, the surface of the flap 94 and the urging side wall. It means that the surface of 84 has substantially the same surface shape so as to be in complete contact with the surface. Further, the flap 94 urged by the urging side wall 84 has its tip 94a in contact with the surface 81b of the bottom surface 81 of the bottom body 801. The flaps 92, 95 and 96 of the lid 901 have their tips 92a, 95a and 96a in contact with the surface 81b of the bottom surface 81 of the bottom body 801.

The other configurations of the fifth embodiment described above are the same as those of the fourth embodiment.

According to the fifth embodiment described above, the following effects can be obtained.

(49) The packaging box 104 according to the fifth embodiment is configured to be assembleable using a single sheet, and is provided so as to extend from the bottom surface 81 and the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81. The bottom body 801 is provided with four side walls 82, 84, 85 and 86, and a storage portion 3 for accommodating the object to be packaged 30 by the bottom surface 81 and the four side walls 82, 84, 85 and 86. One of the side walls 82, 84, 85 and 86 was used as the urging side wall 84 for applying an urging force to the packaged object 30 housed in the housing portion 3.

According to the above configuration, when the packaging box 104 is moved while the packaged object 30 such as a product is housed in the accommodating portion 3 of the packaging box 104, the urging side wall 84 moves the packaged object 30 with respect to the side wall 86. Since it can be held in a state of being urged and pressed, the packaged object 30 can be made difficult to move in the housing portion 3 of the packaging box 104, and as a result, damage to the packaged object 30 can be suppressed. it can.

(50) In the packaging box 104 according to the fifth embodiment, the second side wall portion 842 and the third side wall portion 843 as the tip portions of the urging side wall 84 are bent toward the accommodating portion 3 or the bottom surface 81. I made it. As a result, a force for returning the tip portions 842 and 843 of the urging side wall 84 from the bent state to the original state can be applied to the packaged object 30 as an urging force. Further, since the side wall 84 constituting the packaging box 104 can be used as the urging side wall 84 for applying an urging force to the object to be packaged 30, it functions as a side wall of the packaging box 104 and is attached to the accommodating portion 30. The urging side wall 84 can also serve as a force-giving function.

(51) In the packaging box 104 according to the fifth embodiment, the urging side wall 84 has a first side wall portion 841 provided so as to extend from the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81, and a first side wall portion 841. A second side wall portion 842 provided so as to extend from the side wall portion 841 of 1 toward the accommodating portion 3, and a third side wall portion provided so as to extend from the second side wall portion 842 toward the bottom surface 81. The part 843 and the like are included. As a result, the respective forces of the second side wall portion 842 and the third side wall portion 843 that form the urging side wall 84 to return from the bent state to the original state are applied to the packaged object 30 as urging forces. Can be done.

(52) In the packaging box 104 according to the fifth embodiment, the third side wall portion 843 of the urging side wall 84 is curved so as to project toward the accommodating portion 3. As a result, the strength of the side walls constituting the plurality of packaging boxes 104 can be improved, so that when the packaging boxes 104 are stacked, the packaging boxes 104 can be prevented from being crushed or losing their shape.

(53) In the packaging box 104 according to the fifth embodiment, the urging side wall 84 is provided on one of the peripheral edges of the bottom surface 81. As a result, the object to be packaged 30 can be urged toward the center of the housing portion 3 by one urging side wall 84, so that the object to be packaged 30 can be held in the center of the packaging box 104.

(54) In the packaging box 104 according to the fifth embodiment, the tip of the third side wall portion 843 of the urging side wall 84 is brought into contact with the surface 81b of the bottom surface 81. As a result, when a plurality of packaging boxes 104 are stacked, the load of the stacked packaging boxes 104 can be received by the tip of the third side wall portion 843 of the urging side wall 84, so that the third side wall 84 can receive the load. As compared with the case where the tip of the side wall portion 843 is separated from the surface 81b of the bottom surface 81, the deformation of the packaging box 104 in the load direction can be suppressed. As a result, the strength of the packaging box 104 in the load direction can be improved.

(55) In the packaging box 104 according to the fifth embodiment, one side wall 84 of the four side walls 82, 84, 85 and 86 provided along the four peripheral edges of the bottom surface 81 is used as the urging side wall. As a result, one side wall 84 constituting the packaging box 104 can be used as an urging side wall, so that it is not necessary to separately use a member for urging the packaged object 30, and the number of parts can be reduced. Can be done.

(56) The packaging box 104 according to the fifth embodiment is configured to be assembleable using one sheet, and is provided so as to extend from the upper surface 91 and the peripheral edge of the upper surface 91 in a direction substantially perpendicular to the upper surface. A lid body 901 having four flaps 92, 94, 95 and 96 is further provided, and when the bottom body 801 and the lid body 901 are combined, the flap 94 of the lid body 901 becomes the third of the urging side wall 84. It is in contact with the surface of the side wall portion 843 on the side of the accommodating portion 3, and is urged toward the accommodating portion 3 by the urging side wall 84. As a result, the flap 94 of the lid body 901 is urged against the accommodating portion 3 by the urging side wall 84 of the bottom body 801. Therefore, it is possible to prevent the lid body 901 from being unintentionally opened from the closed state. ..

(57) In the packaging box 104 according to the fifth embodiment, the flap 94 of the lid 901 urged toward the accommodating portion 3 by the urging side wall 84 of the bottom body 801 is used to form the surface shape of the urging side wall 84. The shape is reflected. As a result, the contact area between the flap 94 of the lid 901 and the urging side wall 84 of the bottom body 801 can be increased, so that the flap 94 of the lid 901 can be more reliably prevented from opening unintentionally. it can.

(58) In the packaging box 104 according to the fifth embodiment, the tip 94a of the flap 94 of the lid 901 urged toward the accommodating portion 3 by the urging side wall 84 is attached to the surface 81b of the bottom surface 81 of the bottom body 801. Made contact. As a result, when a plurality of packaging boxes 104 are stacked, the load of the stacked packaging boxes 104 can be received by the tip 94a of the flap 94 of the lid 901, so that the tip 94a of the flap 94 of the lid 901 bottoms. Compared with the case where the bottom surface 81 of the body 801 is separated from the surface 81b, the deformation of the packaging box 104 in the load direction can be suppressed. As a result, the strength of the packaging box 104 in the load direction can be improved.

(59) In the packaging box 104 according to the fifth embodiment, one flap 94 is provided on one peripheral edge of the upper surface 91 of the lid 901 so as to correspond to the urging side wall 84 provided on the bottom surface 81 of the bottom body 801. Provided. As a result, one flap 94 provided on the upper surface 91 of the lid body 901 is urged against the accommodating portion 3 by the urging side wall 84 of the bottom body 801 so that the flap 94 of the lid body 901 opens unintentionally. Can be suppressed.

(60) In the packaging box 104 according to the fifth embodiment, the lid body 901 and the bottom body 801 are separately formed. Thereby, the lid body 901 and the bottom body 801 can be separately assembled by using one sheet.

(Sixth Embodiment)
Next, a sixth embodiment will be described with reference to FIG. In the packaging box 105 according to the sixth embodiment, the fourth embodiment in which the bottom body and the lid are formed separately and two urging side walls facing each other are provided, and one urging side wall. An example in which the body and the lid are separately formed and four urging side walls are provided will be described, unlike the fifth embodiment provided with the above.

In the packaging box 105 according to the sixth embodiment, the bottom body 802 and the lid body 902 are separately formed, and the bottom body 802 and the lid body 902 are used in combination. The bottom body 802 and the lid body 902 can be assembled using one sheet each, and the lid body 902 can be opened and closed (fitted) with respect to the bottom body 802 after assembly.

The bottom body 802 is provided so as to be connected to one square bottom surface 81 via each of the four folding lines as the peripheral edge of the bottom surface 81 and to extend from the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81. It is provided with a housing portion 3 for accommodating the packaged object 30 in a region surrounded by the side walls 83, 84, 87 and 88, and the bottom surface 81 and the four side walls 83, 84, 87 and 88.

All the side walls of the four side walls 83, 84, 87 and 88 provided on the bottom surface 81 of the bottom body 802 are urging side walls that apply urging force to the packaged object 30 housed in the housing portion 3. The urging side wall 83 is connected to the bottom surface 81 via a fold line and is connected to a first side wall portion 831 provided so as to extend from the bottom surface 81 and to the first side wall portion 831 via a fold line. A second side wall portion 832 provided so as to extend from the first side wall portion 831 and a second side wall portion 832 connected to the second side wall portion 832 via a folding line and provided so as to extend from the second side wall portion 832. Includes three side walls with the third side wall 833.

The urging side wall 83 has a second side wall portion 832 and a third side wall portion 833 as tip portions bent toward the accommodating portion 3 or the bottom surface 81. Specifically, the second side wall portion 832 of the urging side wall 83 is bent from the first side wall portion 831 toward the accommodating portion 3. The third side wall portion 833 of the urging side wall 83 is bent from the second side wall portion 832 toward the bottom surface 81.

The second side wall portion 832 and the third side wall portion 833 of the urging side wall 83 have an object to be packaged in which the urging force based on the restoring force when returning from the bent state to the original state is contained in the accommodating portion 3. It acts as if it were applied to 30, so that the object to be packaged 30 is held so as not to move between the urging side walls 83 and 84.

The urging side wall 84 is connected to the bottom surface 81 via a fold line and is connected to a first side wall portion 841 provided so as to extend from the bottom surface 81 and to the first side wall portion 841 via a fold line. A second side wall portion 842 provided so as to extend from the first side wall portion 841 and a second side wall portion 842 connected to the second side wall portion 842 via a fold line and provided so as to extend from the second side wall portion 842. Also includes three side walls with a third side wall 843.

In the urging side wall 84, the second side wall portion 842 and the third side wall portion 843 as the tip portions are bent toward the accommodating portion 3 or the bottom surface 81. Specifically, the second side wall portion 842 of the urging side wall 84 is bent from the first side wall portion 841 toward the accommodating portion 3. The third side wall portion 843 of the urging side wall 84 is bent from the second side wall portion 842 toward the bottom surface 81.

The second side wall portion 842 and the third side wall portion 843 of the urging side wall 84 have an object to be packaged in which the urging force based on the restoring force when returning from the bent state to the original state is contained in the accommodating portion 3. It acts as if it were applied to 30, so that the object to be packaged 30 is held so as not to move between the urging side walls 83 and 84.

The urging side wall 87 is connected to the bottom surface 81 via a fold line and is connected to a first side wall portion 871 provided so as to extend from the bottom surface 81 and to the first side wall portion 871 via a fold line. A second side wall portion 872 provided so as to extend from the first side wall portion 871 and a second side wall portion 872 connected to the second side wall portion 872 via a fold line and provided so as to extend from the second side wall portion 872. Also includes three side walls with a third side wall 873.

The urging side wall 87 has a second side wall portion 872 and a third side wall portion 873 as tip portions bent toward the accommodating portion 3 or the bottom surface 81. Specifically, the second side wall portion 872 of the urging side wall 87 is bent from the first side wall portion 871 toward the accommodating portion 3. The third side wall portion 873 of the urging side wall 87 is bent from the second side wall portion 872 toward the bottom surface 81.

The urging force based on the restoring force of the second side wall portion 872 and the third side wall portion 873 of the urging side wall 87 when returning from the bent state to the original state is applied to the packaged object 30 housed in the housing portion 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 87 and 88.

The urging side wall 88 is connected to the bottom surface 81 via a fold line and is connected to a first side wall portion 881 provided so as to extend from the bottom surface 81 and to the first side wall portion 881 via a fold line. A second side wall portion 882 provided so as to extend from the first side wall portion 881 and a second side wall portion 882 connected to the second side wall portion 882 via a folding line and provided so as to extend from the second side wall portion 882. Also includes three side walls with a third side wall 883.

The urging side wall 88 has a second side wall portion 882 and a third side wall portion 883 as tip portions bent toward the accommodating portion 3 or the bottom surface 81. Specifically, the second side wall portion 882 of the urging side wall 88 is bent from the first side wall portion 881 toward the accommodating portion 3. The third side wall portion 883 of the urging side wall 88 is bent from the second side wall portion 882 toward the bottom surface 81.

The urging force based on the restoring force when the second side wall portion 882 and the third side wall portion 883 of the urging side wall 88 return from the bent state to the original state is the packaged object 30 housed in the housing part 3. As a result, the object to be packaged 30 is held so as not to move between the urging side walls 87 and 88.

The lid 902 is connected via each of one substantially square upper surface 91 having four peripheral edges and each of the four folding lines as the peripheral edges of the upper surface 91, and extends in a direction substantially perpendicular to the upper surface 91. It has four flaps 93, 94, 97 and 98 provided.

The flap 93 of the lid 902 is urged toward the accommodating portion 3 by the urging side wall 83 of the bottom body 802. Further, the flap 93 urged by the urging side wall 83 has a shape corresponding to the surface shape of the third side wall portion 833 of the urging side wall 83, and specifically, the surface of the flap 93 and the urging side wall. It means that the surface of 83 has substantially the same surface shape so as to be in complete contact with the surface. Further, the flap 93 urged by the urging side wall 83 has its tip 93a in contact with the surface 81b of the bottom surface 81 of the bottom body 802.

The flap 94 of the lid 902 is urged toward the accommodating portion 3 by the urging side wall 84 of the bottom body 802. Further, the flap 94 urged by the urging side wall 84 has a shape corresponding to the surface shape of the third side wall portion 843 of the urging side wall 84, and specifically, the surface of the flap 94 and the urging side wall. It means that the surface of 84 has substantially the same surface shape so as to be in complete contact with the surface. Further, the flap 94 urged by the urging side wall 84 has its tip 94a in contact with the surface 81b of the bottom surface 81 of the bottom body 802.

The flap 97 of the lid body 902 is urged toward the accommodating portion 3 by the urging side wall 87 of the bottom body 802. Further, the flap 97 urged by the urging side wall 87 has a shape corresponding to the surface shape of the third side wall portion 873 of the urging side wall 87, and specifically, the surface of the flap 97 and the urging side wall. It means that the surface of 87 has substantially the same surface shape so as to be in complete contact with the surface. Further, the flap 97 urged by the urging side wall 87 has its tip 97a in contact with the surface 81b of the bottom surface 81 of the bottom body 802.

The flap 98 of the lid 902 is urged toward the accommodating portion 3 by the urging side wall 88 of the bottom body 802. Further, the flap 98 urged by the urging side wall 88 has a shape corresponding to the surface shape of the third side wall portion 883 of the urging side wall 88, and specifically, the surface of the flap 98 and the urging side wall. It means that the surface of 88 has substantially the same surface shape so as to be in complete contact with the surface. Further, the flap 98 urged by the urging side wall 88 has its tip 98a in contact with the surface 81b of the bottom surface 81 of the bottom body 802.

The other configurations of the sixth embodiment described above are the same as those of the fourth and fifth embodiments.

According to the sixth embodiment described above, the following effects can be obtained.

(61) The packaging box 105 according to the sixth embodiment is configured to be assembleable using a single sheet, and is provided so as to extend from the bottom surface 81 and the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81. A bottom body 8022 having a bottom surface 81 and a housing portion 3 for accommodating an object to be packaged 30 by means of four side walls 83, 84, 87 and 88, and four side walls 83, 84, 87 and 88. Of the two side walls 83, 84, 87 and 88, all the side walls 83, 84, 87 and 88 are urged side walls 83, 84, 87 and for applying a urging force to the packaged object 30 housed in the housing portion 3. It was set to 88.

According to the above configuration, when the packaging box 105 is moved while the packaged object 30 such as a product is housed in the housing portion 3 of the packaging box 105, each of the urging side walls 83, 84, 87 and 88 is packaged. Since the object 30 can be urged and held in a pressed state, the packaged object 30 can be made difficult to move in the housing portion 3 of the packaging box 105, and as a result, damage to the packaged object 30 is suppressed. can do.

(62) In the packaging box 105 according to the sixth embodiment, the second side wall portion 832 and the third side wall portion 833 as the tip portion of the urging side wall 83, and the second side wall portion 84 as the tip portion of the urging side wall 84. The side wall portion 842 and the third side wall portion 843, the second side wall portion 872 and the third side wall portion 873 as the tip portion of the urging side wall portion 87, and the second side wall portion 873 as the tip portion of the urging side wall portion 88. The side wall portion 882 and the third side wall portion 883 are bent toward the accommodating portion 3 or the bottom surface 81. As a result, a force for returning the urging side walls 83, 84, 87 and 88 from the bent state to the original state can be applied to the packaged object 30 as an urging force. Further, since the side walls 83, 84, 87 and 88 constituting the packaging box 105 can be used as the urging side walls 83, 84, 87 and 88 for applying an urging force to the packaged object 30, the packaging box 105 can be used. The function as a side wall and the function of giving an urging force to the accommodating portion 30 can be combined by each of the urging side walls 83, 84, 87 and 88.

(63) In the packaging box 105 according to the sixth embodiment, the urging side wall 83 has a first side wall portion 831 provided so as to extend from the peripheral edge of the bottom surface 81 in a direction substantially perpendicular to the bottom surface 81, and a first side wall portion 831. A second side wall portion 832 provided so as to extend from the side wall portion 831 of 1 toward the accommodating portion 3, and a third side wall portion provided so as to extend from the second side wall portion 832 toward the bottom surface 81. It is included with the part 833. Further, the urging side wall 84 extends from the peripheral edge of the bottom surface 81 toward the accommodating portion 3 from the first side wall portion 841 provided so as to extend in a direction substantially perpendicular to the bottom surface 81 and the first side wall portion 841. The second side wall portion 842 provided as described above and the third side wall portion 843 provided so as to extend from the second side wall portion 842 toward the bottom surface 81 are included. Further, the urging side wall 87 extends from the peripheral edge of the bottom surface 81 toward the accommodating portion 3 from the first side wall portion 871 provided so as to extend in a direction substantially perpendicular to the bottom surface 81 and the first side wall portion 871. The second side wall portion 872 provided as described above and the third side wall portion 873 provided so as to extend from the second side wall portion 872 toward the bottom surface 81 are included. Further, the urging side wall 88 extends from the peripheral edge of the bottom surface 81 toward the accommodating portion 3 from the first side wall portion 881 provided so as to extend in a direction substantially perpendicular to the bottom surface 81 and the first side wall portion 881. The second side wall portion 882 provided in the above manner and the third side wall portion 883 provided so as to extend from the second side wall portion 882 toward the bottom surface 81 are included. As a result, the second side wall portion 832 and the third side wall portion 833 constituting the urging side wall 83, the second side wall portion 842 forming the urging side wall 84, the third side wall portion 843, and the urging side wall 87 are formed. The second side wall portion 872 and the third side wall portion 873, and the second side wall portion 882 and the third side wall portion 883 constituting the urging side wall 88 return from the bent state to the original state, respectively. Can be applied to the object to be packaged 30 as an urging force.

(64) In the packaging box 105 according to the sixth embodiment, the third side wall portion 833 of the urging side wall 83, the third side wall portion 843 of the urging side wall 84, and the third side wall portion 873 of the urging side wall 87 , And the third side wall portion 883 of the urging side wall 88 was curved so as to project toward the accommodating portion 3. As a result, the strength of the side walls constituting the plurality of packaging boxes 105 can be improved, so that when the packaging boxes 105 are stacked, the packaging boxes 105 can be prevented from being crushed or losing their shape.

(65) In the packaging box 105 according to the sixth embodiment, the urging side walls 83, 84, 87 and 88 are provided on all the peripheral edges of the four peripheral edges of the bottom surface 81. As a result, the packaged object 30 can be urged toward the center of the housing portion 3 by the four urging side walls 83, 84, 87 and 88, so that the packaged object 30 is held in the center of the packaging box 105. can do.

(66) In the packaging box 105 according to the sixth embodiment, the tips of the urging side walls 83, 84, 87 and 88 are brought into contact with the surface 81b of the bottom surface 81. As a result, when a plurality of packaging boxes 105 are stacked, the load of the stacked packaging boxes 105 can be received by the tips of the urging side walls 83, 84, 87 and 88, respectively. , 84, 87, and 88, respectively, can suppress deformation of the packaging box 105 in the load direction as compared with the case where the tips of the bottom surfaces 81 are separated from the surface 81b of the bottom surface 81. As a result, the strength of the packaging box 105 in the load direction can be improved.

(67) In the packaging box 105 according to the sixth embodiment, all four side walls 83, 84, 87 and 88 provided along the four peripheral edges of the bottom surface 81 are used as urging side walls. As a result, all the side walls 83, 84, 87 and 88 constituting the packaging box 105 can be used as the urging side walls, so that it is not necessary to separately use a member for urging the packaged object 30. The number of parts can be reduced.

(68) The packaging box 105 according to the sixth embodiment is configured to be assembleable using a single sheet, and is provided so as to extend from the upper surface 91 and the peripheral edge of the upper surface 91 in a direction substantially perpendicular to the upper surface 91. A lid body 902 with four flaps 93, 94, 97 and 98 is further provided, and when the bottom body 802 and the lid body 902 are combined, the flaps 93, 94, 97 and 98 are attached to the urging side wall 83. , 84, 87 and 88 are in contact with the surface on the accommodating portion 3 side and are urged toward the accommodating portion 3 by the urging side walls 83, 84, 87 and 88. As a result, the flaps 93, 94, 97 and 98 of the lid 902 are urged against the accommodating portion 3 by the urging side walls 83, 84, 87 and 88 of the bottom body 802, so that the lid 902 is closed. It is possible to prevent unintentional opening.

(69) In the packaging box 105 according to the sixth embodiment, the flaps 93, 94, 97 of the lid 902 urged toward the accommodating portion 3 by the urging side walls 83, 84, 87 and 88 of the bottom body 802. And 98 are shaped to reflect the surface shapes of the urging side walls 83, 84, 87 and 88. As a result, the contact area between the flaps 93, 94, 97 and 98 of the lid 902 and the urging side walls 83, 84, 87 and 88 of the bottom body 802 can be increased, so that the flaps of the lid 902 can be more reliably flapped. It is possible to prevent 93, 94, 97 and 98 from opening unintentionally.

(70) In the packaging box 105 according to the sixth embodiment, the flaps 93, 94, 97 and 98 of the lid 902 urged toward the accommodating portion 3 by the urging side walls 83, 84, 87 and 88, respectively. The tips 93a, 94a, 97a and 98a of the bottom body 802 were brought into contact with the bottom surface 81 of the bottom body 802. As a result, when a plurality of packaging boxes 105 are stacked, the load of the stacked packaging boxes 105 can be received by the tips 93a, 94a, 97a and 98a of the flaps 93, 94, 97 and 98 of the lid 902, respectively. Therefore, the packaging box 105 is compared with the case where the tips 93a, 94a, 97a and 98a of the flaps 93, 94, 97 and 98 of the lid 902 are separated from the surface 81b of the bottom surface 81 of the bottom body 802. Deformation in the weighting direction can be suppressed. As a result, the strength of the packaging box 105 in the load direction can be improved.

(71) In the packaging box 105 according to the sixth embodiment, the urging side walls 83, 84, 87 and 88 provided on the bottom surface 81 of the bottom body 802 are formed on each of the four peripheral edges of the top surface 91 of the lid body 902. Correspondingly, four flaps 93, 94, 97 and 98 were provided. As a result, the four flaps 93, 94, 97 and 98 provided on the upper surface 91 of the lid 902 are urged against the accommodating portion 3 by the urging side walls 83, 84, 87 and 88 of the bottom body 802. , The four flaps 93, 94, 97 and 98 of the lid 902 can be prevented from unintentionally opening.

(72) In the packaging box 105 according to the sixth embodiment, the lid body 902 and the bottom body 802 are formed as separate bodies. Thereby, the lid body 902 and the bottom body 802 can be separately assembled by using one sheet.

The above embodiment may have a modified configuration as follows.

-In the above embodiment, an example in which the bottom surface of the bottom body and the top surface of the lid body have a quadrangular shape is shown, but the present invention is not limited to this. In the present invention, if at least one side wall provided on the bottom surface of the bottom body can be used as an urging side wall, the bottom surface of the bottom body and the upper surface of the lid may be triangular or pentagonal in addition to the square shape. It can also be applied to shapes.

-In the above embodiment, an example in which the urging side wall is composed of three side wall portions (first to third side wall portions) is shown, but the present invention is not limited to this. In the present invention, if it is possible to urge the packaged object, the urging side wall may be provided with two side wall portions (first and second side wall portions) or four side wall portions (first to fourth side wall portions). It may be configured by.

-In the above embodiment, an example in which the first to third side wall portions of the urging side wall provided on the bottom body are curved and bent so as to protrude (curve) toward the accommodating portion or the side opposite to the accommodating portion. As shown, the present invention is not limited to this. In the present invention, the first to third side wall portions of the urging side wall may be bent so as to be parallel to each other.

-In the above embodiment, one, two or four side walls of the four side walls provided on the bottom body are used as the urging side walls, but the present invention is not limited to this. In the present invention, of the four side walls provided on the bottom body, three side walls may be used as the urging side walls.

-In the above embodiment, an example is shown in which the tip of the urging side wall and the tip of the flap of the lid are brought into contact with the surface of the bottom surface of the bottom body, but the present invention is not limited to this. In the present invention, these tips do not necessarily have to be in contact with the surface of the bottom surface of the bottom body.

-The above embodiments are all examples of the indications of the present invention, and it is natural that any other embodiment within the scope of the claims is included in the technical scope of the invention.

3 ... Containment part 11, 41, 61, 81 ... Bottom surface 13, 14, 42, 62, 63, 64, 65, 83, 84, 87, 88 ... Biasing side wall 20, 50, 70, 90, 901, 902 ... Lids 21, 51, 71, 91 ... Top surfaces 22, 23, 24, 52, 53, 54, 72, 73, 74, 92, 93, 94, 95, 96, 97, 98 ... Flaps 22a, 23a, 24a, 52a, 53a, 54a, 72a, 73a, 74a, 92a, 93a, 94a, 95a, 96a, 97a, 98a ... Tip (tip of flap)
30 ... Items to be packaged 42, 43, 44, 45, 62, 63, 64, 65, 82, 83, 84, 85, 86, 87, 88 ... Side walls 100, 101, 102, 103, 104, 105 ... Packaging box 131, 141, 421, 621, 631, 641, 651, 831, 841, 881 ... First side wall (tip of urging side wall)
132, 142, 422, 622, 632, 642, 652, 832, 842, 882 ... Second side wall (tip of urging side wall)
133, 143, 423, 623, 633, 643, 833, 843, 873, 883 ... Third side wall (tip of urging side wall)
133a, 143a ... Tip (tip of urging side wall)
a, b, c, d ... Fold line (periphery)

Claims (14)

It comprises a bottom body that is configured to be assembled using a single sheet and has a bottom surface and a plurality of side walls provided so as to extend from the periphery of the bottom surface in a direction substantially perpendicular to the bottom surface.
A housing portion for accommodating the packaged object is formed by being surrounded by the bottom surface and the plurality of side walls.
A packaging box in which at least one side wall of the plurality of side walls is an urging side wall for applying an urging force to the object to be packaged housed in the storage portion. The packaging box according to claim 1, wherein the urging side wall has a tip end bent toward the accommodating portion or the bottom surface. The urging side wall extends from the peripheral edge of the bottom surface toward a first side wall portion provided so as to extend in a direction substantially perpendicular to the bottom surface, and from the first side wall portion toward the housing portion. The second side wall portion according to claim 2, further comprising a second side wall portion provided as described above and a third side wall portion provided so as to extend from the second side wall portion substantially toward the bottom surface. Packaging box. The packaging box according to claim 3, wherein the third side wall portion of the urging side wall is curved so as to project substantially toward the direction of the accommodating portion. The packaging box according to any one of claims 1 to 4, wherein the urging side wall is provided on an opposite peripheral edge of the peripheral edge of the bottom surface. The packaging box according to any one of claims 1 to 4, wherein the urging side wall is provided on all the peripheral edges of the bottom surface. The packaging box according to any one of claims 2 to 6, wherein the urging side wall is in contact with the bottom surface thereof. The bottom surface has a quadrangular shape with four peripheral edges.
Along the four perimeters of the bottom surface, the four side walls are provided.
The packaging box according to any one of claims 1 to 7, wherein at least one of the four side walls is the urging side wall. It is configured so that it can be assembled using a single sheet, and further includes a lid that can be used in combination with the bottom body.
The lid has an upper surface and a flap provided so as to extend from the peripheral edge of the upper surface in a direction substantially perpendicular to the upper surface.
When the bottom body and the lid body are combined, the flap is in contact with the surface of the urging side wall on the accommodating portion side and is urged toward the accommodating portion by the urging side wall. Item 8. The packaging box according to any one of Items 1 to 8. The packaging box according to claim 9, wherein the flap of the lid body urged by the urging side wall toward the accommodating portion has a shape corresponding to the surface shape of the urging side wall. The packaging box according to claim 9 or 10, wherein the flap of the lid body urged by the urging side wall toward the housing portion has a tip end contacting the bottom surface of the bottom body. The upper surface of the lid has a quadrangular shape having four peripheral edges.
Any of claims 9 to 11, each of the four peripheral edges of the top surface is provided with at least the same number of flaps corresponding to the urging side walls provided on the bottom surface of the bottom body. The packaging box according to item 1. The lid body and the bottom body are integrally formed.
The packaging box according to any one of claims 9 to 12, wherein one side of the peripheral edge of the upper surface of the lid is connected to the side wall of one of the plurality of side walls of the bottom body. The packaging box according to any one of claims 9 to 12, wherein the lid body and the bottom body are made of separate bodies.

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