JP6686711B2 - Packaging box - Google Patents

Description

  The present invention relates to a packaging box for storing a plurality of packs containing fruits and vegetables.

  For example, when shipping a pack containing fruits and vegetables such as strawberries and cherries to a market or a store, a plurality of packs, for example, two lengths and two widths are arranged side by side in a tray-type cardboard packaging box with an open top. And carry it. The packaging box used for such an application divides the inside of the box body into a plurality of storage parts by installing a partition member inside, and stores the pack in each storage part (see Patent Document 1).

  The packaging box shown in Patent Document 1 constitutes a box main body in which front, rear, left and right side walls are continuously provided on each side of a rectangular bottom surface (JIS-Z1507, 04 type (assembled type)). Then, the support flaps provided on the bottom surface of the box body are raised, and the partition members are arranged so as to be orthogonal to the support flaps, thereby forming four storage units, and storing the pack in each storage unit. ing. The support flap and the partitioning member support a flange provided around the pack stored in each storage unit, and by suspending the bottom surface of the pack from the bottom surface of the box main body and suspending it, by a shock applied to the box main body, The fruits and vegetables contained in the pack are not damaged.

  Further, as shown in Patent Document 2, in the packaging box, a pair of opposing length surfaces, a pair of opposing width surfaces, a pair of length surfaces and a flap continuous with the pair of width surfaces, There is one that is provided with a seam allowance provided on the face and is made of one piece (JIS-Z1507, 02 type (grooving type)). In this packaging box, the unfolded sheet has a substantially elongated rectangular shape, and the corrugated cardboard original fabric can be cut without waste and manufactured.

JP, 2014-237450, A Utility model registration No. 3150184

  The packaging box of Patent Document 2 is for storing a pack containing fruits and vegetables, but the pack is directly placed on the bottom surface of the packaging box, and as in Patent Document 1, the pack is stored by hanging. Not a thing. Therefore, in the packaging box of Patent Document 2, the fruits and vegetables stored in the pack may be damaged by an impact or the like applied to the bottom surface of the packaging box.

  In this regard, in the packaging box of Patent Document 1, the bottom surface of the pack is suspended from the bottom surface of the packaging box, but like the packaging box of Patent Document 2, the expanded sheet has a substantially rectangular shape. Does not have. Therefore, it is difficult for the packaging box of Patent Document 1 to effectively utilize the corrugated cardboard fabric as much as the packaging box of Patent Document 2.

  The present invention has been made in view of the above problems, and provides a packaging box that is excellent in protecting the contents of the pack, and that can effectively utilize the cardboard roll fabric to improve the productivity. The purpose is to do.

  A packaging box for solving the above problem is a packaging box for storing a plurality of packs having a rectangular frame-shaped flange, and includes a box body and a partition member. The box body includes a peripheral wall composed of a pair of opposing first walls and a pair of opposing second walls, and a bottom flap continuously provided to the pair of first walls and the pair of second walls. Equipped with. The peripheral wall is composed of a sheet extending in the circumferential direction, and both ends thereof are joined. The partition member is bridged between any one of the pair of first walls or between the pair of second walls, and constitutes a plurality of storage portions for storing the pack together with the box body. However, the peripheral wall is a corner portion of the storage portion, and includes a corner support portion as a portion cut and raised toward the inside of the storage portion, and a support end that is a top side of the corner support portion is It is configured to abut a corner of the flange to support the flange. The support end that is the top side of the partition member includes a side support part that constitutes a side that does not include at least the corner support part among the sides that form the opening of the storage part, and the side support part is the flange. Is configured to abut a side of the and support the flange. The height dimension from the bottom flap at each support end of the corner support section and the side support section is larger than the height dimension of the flange from the bottom surface of the pack.

  According to the above configuration, the box body has a substantially elongated rectangular shape in the unfolded state of the sheet, so that it is possible to cut the original fabric without waste and improve the productivity. . Further, the height dimension of the support end of the corner support portion and the support end of the side support portion is set to be larger than the height dimension of the flange. As a result, the packs are suspended in each storage portion, and the fruits and vegetables stored in the packs can be prevented from being damaged by an impact or the like applied to the bottom surface.

In the above packaging box, the front end portions of the bottom flaps facing each other may be separated from each other on the bottom surface of the box body.
According to the above configuration, the area of the one piece can be further reduced as compared with the case where the bottom flap is a butt flap whose bottom end is abutted against the bottom flap.

In the packaging box, the support ends of the corner support portion and the side support portion may have the same height dimension from the bottom flap.
According to the above configuration, the pack can be stably supported in parallel with the bottom surface of the box body.

  In the packaging box, in the box body, two storage parts are arranged side by side along the pair of first walls, and two storage parts are arranged side by side along the pair of second walls. Any one of the pair of first walls and the pair of second walls is a first facing wall, the other is a second facing wall, and the partition member extends along the first facing wall. At a middle position in the direction in which the storage parts are arranged, the corner support parts are bridged between the first opposing walls, and the corner support parts include first corner support parts provided at respective corner parts of the box body, and the second support parts. It may be configured to include a second corner support portion provided at an intermediate position in a direction in which the storage portions are arranged on the facing wall.

  According to the above configuration, a total of four storage units can be configured by the two storage units along the pair of first walls and the two storage units along the pair of second walls. The second corner support portion is formed on the second opposing wall that is parallel to the partition member that is bridged between the first opposing walls. The adjacent corners of the pack stored in the respective storages are supported by the first corner support and the second corner support. Further, a side opposite to the side formed between the corners supported by the first corner support portion and the second corner support portion of the pack is supported by the side support portion.

  In the packaging box, a first cut-and-raised piece and a second cut-and-raised piece which are arranged in the same direction and are opened at both sides are provided at an intermediate position in a direction in which the storage parts are arranged in the second facing wall, Each of the piece and the second cut-and-raised piece constitutes the second corner support portion, and the storage portions arranged along the second facing wall are the first storage portion and the second storage portion, and the second storage portion. On the other hand, the first cut-and-raised piece close to the first storage portion supports the flange of the pack stored in the first storage portion, and is close to the second storage portion with respect to the first storage portion. The second cut-and-raised piece may be configured to support the flange of the pack stored in the second storage portion.

  According to the above configuration, the first storage portion and the second corner support portion of the second storage portion, which are lined up along the second opposing wall, can be formed by the cut-and-raised pieces on the second opposing wall.

  According to the present invention, it is possible to provide a packaging box that is excellent in protecting the contents of the pack and that effectively uses the cardboard original fabric to improve productivity.

The perspective view of a packaging box. FIG. 3 is a development view of a box body and a partition member that form a packaging box. (A) is an exploded view of a main part of a first corner support part provided in a corner part of the box body, and (b) is a perspective view of the main part. (A) is a principal part development view of the 2nd corner support part with which a pair of 2nd walls are equipped, (b) is a principal part perspective view. The top view of a packaging box. The perspective view which looked at the state where one 2nd flap was opened from the bottom face side of a box body. FIG. 4 is an exploded perspective view of the packaging box showing a state where the partition member is attached to the box body. FIG. 5A is a sectional view taken along the line I-I in FIG. 5 showing a state where the pack is supported and stored in each storage part by the first corner support part, and FIG. II-II sectional drawing in FIG. 5 which shows the state supported and accommodated in FIG.

A packaging box according to an embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 1, the packaging box 10 is a cardboard box that stores a plurality of packs 1 that store fruits and vegetables such as strawberries and cherries. Here, a total of four packs 1 are stored.

  The pack 1 is, for example, a light-transmissive resin pack and includes polyethylene (PE), polypropylene (PP), polyvinyl chloride (PVC), polystyrene (PS), polyvinyl acetate (PVAc), polytetrafluoroethylene ( It is molded by one or more resin materials selected from PTFE), ABS resin and the like. The pack 1 is an upper surface opening 2 whose entire upper surface has a rectangular shape, and the upper surface opening 2 is provided with a rectangular frame-shaped flange 3 around the upper surface opening 2. The flange 3 is curved so that the tip portion 3a faces downward, and has a recessed portion 3b (see FIG. 8) whose lower end is an open end.

  The packaging box 10 for storing such a pack 1 includes a box main body 11 having a rectangular tray shape as a whole, and a partition member 51 for partitioning a storage section 21 for storing the pack 1 inside the box main body 11. I have it.

  The box body 11 is connected to the first walls 12 and 13 that form a pair of opposing length surfaces, the second walls 14 and 15 that form a pair of opposing width surfaces, and the lower ends of the first walls 12 and 13. The first bottom surface flaps 16 and 17 that are provided and the second bottom surface flaps 18 and 19 that are continuously provided at the lower end portions of the second walls 14 and 15 are provided. Both the first walls 12 and 13 and the second walls 14 and 15 have a horizontally long rectangular shape, and the longitudinal dimension of the first walls 12 and 13 is the longitudinal length of the second walls 14 and 15. It is longer than the dimension in the direction. The first walls 12 and 13 and the second walls 14 and 15 form a peripheral wall of the box body 11, and an upper surface surrounded by the peripheral wall forms a rectangular opening 20. Such a box body 11 adopts JIS-Z1507, 02 type (grooved type) as a basic structure.

  A partition member 51 is arranged at an intermediate position in the longitudinal direction of the first walls 12 and 13, and the partition member 51 is provided inside the box main body 11 and has two space portions arranged along the pair of first walls 12 and 13. Make up. In each space, two storage portions 21 each having a size for storing one pack 1 are formed along the second walls 14 and 15. As a result, two storage units 21 are arranged in the length direction and the width direction in the box body 11, and a total of four storage units 21 are configured.

  FIG. 2 is a development view of the box body 11 and the partition member 51. The box body 11 is made of one piece, and has a rectangular shape that is horizontally long in the circumferential direction in the unfolded seat. Then, in order from the left, the first outer wall 12a that constitutes the outer surface of the first wall 12, the second outer wall 14a that constitutes the outer surface of the second wall 14, and the outer surfaces of the first wall 13 through the ruled lines 22 that are fold lines. The 1st outer wall 13a and the 2nd outer wall 15a which comprises the outer surface of the 2nd wall 15 are connected in a row.

A first inner wall 12b forming an inner surface of the first wall 12 is continuously provided at one end of the first outer wall 12a via a double ruled line 23 extending in the lateral direction, and a double end is provided at one end of the second outer wall 14a. A second inner wall 14b forming the inner surface of the second wall 14 is continuously provided via the ruled line 23, and an inner surface of the first wall 13 is formed at one end of the first outer wall 13a via the double ruled line 23. The first inner wall 13b is continuously provided, and the second inner wall 15b forming the inner surface of the second wall 15 is continuously provided at one end of the second outer wall 15a via the double ruled line 23.
When the first inner wall 12b, 13b and the second inner wall 14b, 15b are folded inward with respect to the first outer wall 12a, 13a and the second outer wall 14a, 15a via the double ruled line 23, The portion constitutes the open end of the opening 20.

  Further, the first bottom surface flap 16 is connected to the other end of the first outer wall 12a via a ruled line 24 extending in the lateral direction, and the other end of the second outer wall 14a is connected to the second bottom surface via the ruled line 24. The flap 18 is connected, the first bottom surface flap 17 is connected to the other end of the first outer wall 13a via the ruled line 24, and the other end of the second outer wall 15a is connected to the second end via the ruled line 24. A bottom flap 19 is provided in a row.

  Further, a joint margin 29 as a joint is formed at the lateral end of the first outer wall 12a, and the joint margin 29 is joined to the second inner wall 15b with an adhesive, an adhesive tape, a staple, or the like. . The joint margin 29 may be provided at the end of the second outer wall 15a.

  A U-shaped notch is formed from the double ruled line 23 to the first inner walls 12b and 13b. When the first inner walls 12b and 13b are folded inward with respect to the first outer walls 12a and 13a, the engagement piece 25 projects upward from the opening end of the opening 20. Further, two insertion pieces 26 project from the respective tip portions of the first inner walls 12b and 13b and the second inner walls 14b and 15b.

  At a position straddling the ruled line 24 located at the boundary between the first outer walls 12a and 13a and the first bottom surface flaps 16 and 17, the engagement piece 25 of the first outer walls 12a and 13a and the insertion piece 26 of the first inner walls 12b and 13b. The engaging holes 27 are provided corresponding to the number of In the vertical direction in FIG. 2, the engagement hole 27 is formed at the same position as the engagement piece 25 and the insertion piece 26. In addition, at a position straddling the ruled line 24 located at the boundary between the second outer walls 14a and 15a and the second bottom surface flaps 18 and 19, the insertion holes 28 correspond to the number of the insertion pieces 26 of the second inner walls 14b and 15b. Is equipped with. In the vertical direction in FIG. 2, the insertion hole 28 is formed at the same position as the insertion piece 26. When the first inner wall 12b, 13b and the second inner wall 14b, 15b are folded inward with respect to the first outer wall 12a, 13a and the second outer wall 14a, 15a, they are inserted into the engagement hole 27 and the insertion hole 28. Further, when the packaging boxes 10 are stacked, the engagement pieces 25 engage with the engagement holes 27 of the packaging box 10 located on the upper side.

  As shown in FIGS. 3 (a) and 3 (b), the first inner walls 12b, 13b are provided at both ends thereof with a flange 3 located at a corner of the pack 1 housed in each housing 21. The corner support portion 31 is provided. The first corner support portion 31 is provided at each of the four corner portions of the box body 11. 3 (a) and 3 (b) show the first corner support portion 31 provided at the corner portion formed by the first inner wall 12b and the second inner wall 14b. Hereinafter, the first corner support portion 31 will be described as an example. The configuration of the one-corner support portion 31 will be described.

  The 1st corner support part 31 is comprised by the cut-and-raised piece 33 in the edge part of the 1st inner wall 12b. The cut-and-raised piece 33 is cut and raised toward the storage section 21 along a vertical ruled line 32 parallel to the vertical side edge of the first inner wall 12b. The leading end portion 33a of the cut and raised piece 33 parallel to the ruled line 32 is located so as to bite into the second inner wall 14b. When the first inner wall 12b and the second inner wall 14b are folded inward with respect to the first outer wall 12a and the second outer wall 14a, the cut and raised piece 33 is cut and raised along the ruled line 32, and the tip portion 33a is It abuts against the second inner wall 14b. That is, the cut-and-raised pieces 33 are diagonally positioned so as to straddle the first inner wall 12b and the second inner wall 14b that are adjacent to each other. The top side of the cut-and-raised piece 33 that is orthogonal to the tip end portion 33a becomes a support end 33b that abuts and supports the flanges 3 located at the corners of the pack 1 that are adjacent to each other. The support end 33b includes chamfered portions 33c on both sides. The support end 33b enters the recess 3b of the flange 3 from below to support the flange 3, and the chamfered portion 33c serves as a relief for the tip 3a of the flange 3.

  In addition, on the extended line of the ruled line 32 and at a position adjacent to the support end 33b, notch portions 34a and 34b are provided by notching the side edge of the first inner wall 12b and the side edge of the second inner wall 14b, respectively. . The notch 34a located on the first inner wall 12b is a portion that escapes the thickness of the second inner wall 14b, and the notch 34b that is located on the second inner wall 14b is a portion that escapes the thickness of the first inner wall 12b.

  As shown in FIGS. 4A and 4B, a flange 3 located at a corner of the pack 1 housed in each housing 21 is supported at an intermediate position in the width direction of each second inner wall 14b, 15b. The second corner support portion 36 is provided. 4A and 4B show the second corner support portion 36 provided on the second inner wall 14b, and the configuration of the second corner support portion 36 will be described below by taking this as an example.

  The second corner support portion 36 is configured by a first cut-and-raised piece 37 and a second cut-and-raised piece 38 arranged side by side in the width direction and opened on both sides. The first cut-and-raised piece 37 is cut and raised in the direction of the storage portion 21 along the first ruled line 37a in the vertical direction. The second cut-and-raised piece 38 is cut and raised in the direction of the storage section 21 along the second ruled line 38a in the vertical direction. The top side of the first cut-and-raised piece 37 serves as a first support end 37b that abuts and supports the flange 3 located at the corner of the pack 1. Further, the top side of the second cut-and-raised piece 38 serves as a second support end 38b that abuts and supports the flange 3 located at the corner of the pack 1.

  Further, the first chamfered portion 37c is provided on both sides of the first support end 37b. The first support end 37b enters the recess 3b of the flange 3 from below to support the flange 3, and the first chamfered portion 37c serves as a relief for the tip 3a of the flange 3. Moreover, the both sides of the 2nd support end 38b are equipped with the 2nd chamfered part 38c. The second support end 38b enters the recess 3b of the flange 3 from below to support the flange 3, and the second chamfer 38c serves as a relief for the tip 3a of the flange 3.

  At the intermediate position in the width direction of each second outer wall 14a, there is provided a pushing piece 39 for pushing the double-opened first cut-and-raised piece 37 and the second cut-and-raised piece 38 from the outside toward the storage portion 21. The pushing piece 39 is cut and raised in the direction of the first cut and raised piece 37 and the second cut and raised piece 38 along a ruled line 39 a parallel to the ruled line 24. The pushing piece 39 has a tip end portion formed to be narrower than a base end portion along the ruled line 39a, and has a trapezoidal shape as a whole. The pushing piece 39 is provided with a pressing portion 39b that presses the first cut-and-raised piece 37 and the second cut-and-raised piece 38 at the tip. Further, on both sides of the base end portion of the pressing portion 39b, engagement grooves 39c with which the first cut-and-raised pieces 37 and the second cut-and-raised pieces 38 are engaged are formed.

  Since the pushing piece 39 is cut and raised along the ruled line 39a in the direction of the first cut and raised piece 37 and the second cut and raised piece 38, the first cut and raised piece 37 and the second cut and raised piece 38 are moved by the pressing portion 39b. It is pressed and bent in the direction of the storage portion 21 along the first and second ruled lines 37a and 38a. Then, the side edges of the first cut-and-raised pieces 37 and the second cut-and-raised pieces 38 are engaged with the engaging groove 39c. As a result, the pushing piece 39 maintains the state in which the first cut-and-raised piece 37 and the second cut-and-raised piece 38 are cut and raised toward the storage portion 21.

  The first cut-and-raised pieces 37 and the second cut-and-raised pieces 38 serve as the second corner support portions 36 of the two storage portions 21 arranged along the second walls 14 and 15. That is, the first cut-and-raised piece 37 becomes the second corner support portion 36 of the storage section 21 on the side closer to the second cut-and-raised piece 38, and the second cut-and-raised piece 38 is different from the first cut-and-raised piece 37. The second corner support portion 36 of the storage portion 21 on the near side is provided.

  As shown in FIG. 5, the first bottom surface flap 16 continuously provided on the first outer wall 12a is folded along the ruled line 24, and the first bottom surface flap 17 continuously provided on the first outer wall 13a is along the ruled line 24. When folded, the tip portion of the first bottom surface flap 16 and the tip portion of the first bottom surface flap 17 are separated from each other to form a gap therebetween. That is, the total size of the dimensions W1 and W2 from the ruled line 24 of the first bottom surface flaps 16 and 17 to the tip is set smaller than the width dimension W of the box body 11 (W> W1 + W2).

  Further, when the second bottom surface flap 18 continuously provided on the second outer wall 14a is folded along the ruled line 24 and the second bottom surface flap 19 continuously provided on the second outer wall 15a is folded along the ruled line 24, The tip portion of the second bottom surface flap 18 and the tip portion of the second bottom surface flap 19 are separated from each other to form a gap therebetween. That is, the total dimension L1 and L2 from the ruled line 24 to the tip of the second bottom surface flaps 18 and 19 is set smaller than the length dimension L of the box body 11 (L> L1 + L2).

  Furthermore, the dimensions L1 and L2 from the ruled line 24 of the first bottom surface flaps 16 and 17 to the tip are the same as the dimensions L1 and L2 of the second bottom surface flaps 18 and 19 from the ruled line 24 to the tip (W1 = W2 = L1 = L2). As a result, the sheet in which the box body 11 is developed has a horizontally long rectangular shape (see the development view of the box body in FIG. 2).

  As shown in FIG. 6, the first bottom surface flaps 16 and 17 are flaps having a rectangular shape, and are provided with notches 41 at positions offset to both sides from the center in the longitudinal direction at the tip portion. Further, in the first bottom surface flaps 16 and 17, a notch concave portion 43 that escapes the insertion hole 28 is provided at a side edge adjacent to the opening end of the notch 41. The second bottom surface flaps 18 and 19 each have a trapezoidal shape as a whole, and are provided with an engaging piece 42 at a narrow tip end portion. First, when the first bottom surface flaps 16 and 17 are folded along the crease line 24, and then the second bottom surface flaps 18 and 19 are folded along the crease line 24, the engagement pieces 42 are moved from the outside to the inside. It is inserted into the notch 41. This constitutes the bottom surface of the box body 11. On the bottom surface of the box body 11, a gap is provided between the tip portions of the first bottom surface flaps 16 and 17, and a gap is provided between the tip portions of the second bottom surface flaps 18 and 19, so that a rectangular shape is formed in the central portion. An opening will be formed. As the sizes of the first bottom surface flaps 16 and 17 and the second bottom surface flaps 18 and 19 are smaller, the seat area where the box body 11 is expanded can be made smaller, while the physical strength of the box body 11 is increased. Since it will decrease, it is appropriately determined in consideration of the physical strength of the box body 11.

  As shown in FIG. 7, the partition member 51 is arranged at an intermediate position in the longitudinal direction of the pair of first walls 12 and 13. The partition member 51 includes a pair of partition plates 52 and 53, and a connecting portion 54 that connects the pair of partition plates 52 and 53. As shown in FIG. 2, the partition member 51 is a sheet having a rectangular shape in the unfolded state, and the partition plates 52 and 53 are arranged on both sides of the center line extending in the horizontal direction at the center in the vertical direction. A connecting portion 54 is provided at a central portion and both end portions in a lateral direction at a position straddling the boundary between the partition plates 52 and 53. A first cut groove 55 is provided between the connecting portions 54 in the lateral direction so as to overlap the center line. The connecting portion 54 is provided with ruled lines 56 parallel to the first cut groove 55 on both sides of the first cut groove 55. A second cut groove 57 is also provided between the end of the ruled line 56 and the end of the first cut groove 55 in a direction intersecting with the first cut groove 55.

  As shown in FIG. 7, each of the pair of partition plates 52, 53 is provided with attachment pieces 58 for attaching to the first inner walls 12b, 13b at both side edge portions in the vertical direction. The first inner wall 12b, 13b is provided with a mounting hole 59 into which the mounting piece 58 is inserted at an intermediate position in the length direction.

  The pair of partition plates 52, 53 includes a side support portion 61 that supports the flange 3 located on the short side of the pack 1 stored in each storage portion 21. The partition member 51 can separate the pair of partition plates 52 and 53 by folding the connecting portion 54 inward along the pair of ruled lines 56. At this time, at a position along the first cut groove 55 of the pair of ruled lines 56, since the connecting portion 54 is pushed between the pair of partition plates 52, 53, a height corresponding to the length of the second cut groove 57. The protruding piece 62 is formed. The top side of the projecting piece 62 serves as a support end 62a that abuts and supports the short side positioned between the adjacent corners of the pack 1. The support end 62 a enters the recess 3 b of the flange 3 from below and supports the flange 3.

  As shown in FIGS. 8A and 8B, here, from the first bottom surface flaps 16 and 17 and the second bottom surface flaps 18 and 19 of the cut-and-raised piece 33 that configures the first corner support portion 31 to the support end 33b. The height dimension up to is defined as H1. Further, from the first bottom surface flaps 16 and 17 and the second bottom surface flaps 18 and 19 of the first and second cut-and-raised pieces 37 and 38 constituting the second corner support portion 36 to the first and second support ends 37b and 38b. The height dimension of is defined as H2. Further, the height dimension from the first bottom surface flaps 16 and 17 and the second bottom surface flaps 18 and 19 of the projecting piece 62 that constitutes the side support portion 61 to the support end 62a is defined as H3.

  In this case, the height dimension H1 of the support end 33b of the cut-and-raised piece 33 that forms the first corner support portion 31 and the first and second cut-and-raised pieces 37 and 38 that form the second corner support portion 36. The height dimension H2 of the second support ends 37b and 38b and the height dimension H3 of the support end 62a of the protruding piece 62 that constitutes the side support portion 61 are set to the same height (H1 = H2 = H3). As a result, the pack 1 stored in each storage portion 21 can be supported in parallel with the bottom surface of the box body 11.

  The height dimension from the bottom surface (ground plane) of the pack 1 to the flange 3 is H4. In this case, the height dimensions H1, H2, H3 of the support end 33b, the first and second support ends 37b, 38b, and the support end 62a are set larger than the height dimension H4 of the flange 3. Accordingly, when the pack 1 is supported in each of the storage portions 21, the bottom surface of the pack 1 is separated from the first bottom surface flaps 16 and 17 and the second bottom surface flaps 18 and 19, and the pack 1 is suspended in the air.

  The packaging box 10 configured as described above is assembled as follows. First, the seam margin 29 of the first outer wall 12a and the inner or outer surface of the second inner wall 15b are joined. At this time, when the joint margin 29 is joined to the inner surface, the joint margin 29 can be hidden in appearance (see FIG. 2). Then, the first inner walls 12b, 13b and the second inner walls 14b, 15b are folded inward with respect to the first outer walls 12a, 13a and the second outer walls 14a, 15a via the double ruled line 23. As a result, the insertion piece 26 is inserted into the insertion hole 28 and the engagement hole 27, and the first wall 12, 13 and the second wall 14, 15 have a double wall structure.

  Next, the cut and raised piece 33 is cut and raised along the ruled line 32 to form the first corner support portion 31 (see FIGS. 3A and 3B). Further, the pushing piece 39 is cut and raised in the direction of the first cut-and-raised piece 37 and the second cut-and-raised piece 38 along the ruled line 39a parallel to the ruled line 24, and the first cut-and-raised piece 37 and the second cut-and-raised piece 38 are cut. Is pushed toward the storage portion 21 to form the second corner support portion 36 (see FIG. 4).

After that, when the first bottom surface flaps 16 and 17 are folded along the crease line 24, and then the second bottom surface flaps 18 and 19 are folded along the crease line 24, the engagement pieces 42 move from the outside to the inside. It is inserted into the notch 41. This forms the bottom surface of the box body 11 (see FIGS. 5 and 6).
In addition, after assembling the first bottom surface flaps 16 and 17 and the second bottom surface flaps 18 and 19 that form the bottom surface of the box body 11, the first walls 12, 13 and the second walls 14 and 15 that form the peripheral wall of the box body 11 are assembled. May be assembled. Alternatively, the first corner support portion 31 and the second corner support portion 36 may be assembled after assembling the peripheral wall and the bottom surface.

  On the other hand, in the partition member 51, the pair of partition plates 52 and 53 are separated from each other by folding the connecting portion 54 inward along the pair of ruled lines 56, and the projecting piece 62 projects upward so that the side support portion 61 is formed. Composed. Then, in the partition member 51, the attachment piece 58 is inserted into the attachment hole 59 (see FIG. 7).

  Next, the operation of the packaging box 10 configured as above will be described. In the packaging box 10, two storage parts 21 are configured along the first walls 12 and 13, two storage parts 21 are configured along the second walls 14 and 15, and four storage parts 21 in total. Is configured. In each storage portion 21, a first corner support portion 31 is formed at a corner formed by the first walls 12 and 13 and the second walls 14 and 15. Further, in each of the storage portions 21, a second corner support portion 36 is formed at an intermediate position between the second walls 14 and 15 by either one of the first cut and raised piece 37 and the second cut and raised piece 38. . Further, in each of the storage portions 21, a side support portion 61 is configured by the partition member 51 that faces the second walls 14 and 15 between the first corner support portion 31 and the second corner support portion 36 (see FIG. 1). Each of the four storage units 21 stores one pack 1 containing fruits and vegetables. At this time, in the recess 3 b of the flange 3, the support end 33 b of the first corner support portion 31, the first and second support ends 37 b and 38 b of the second corner support portion 36, and the support end 62 a of the side support portion 61. Enters, the flange 3 is supported from below, and the pack 1 is suspended and stored.

  Furthermore, the packaging boxes 10 can be stacked, and in this case, by engaging the engagement pieces 25 with the engagement holes 27 of the packaging box 10 located on the upper side, the packaging boxes 10 can be stacked in a stable state.

According to the packaging box 10 as described above, the effects listed below can be obtained.
(1) The box body 11 adopts JIS-Z1507, 02 type (grooved type) as a basic structure. Therefore, since the unfolded sheet of the box body 11 has a substantially elongated rectangular shape, it is possible to cut the corrugated cardboard sheet without waste and improve the productivity.

  (2) The height dimensions H1, H2, H3 of the support end 33b of the first corner support portion 31, the first and second support ends 37b, 38b of the second corner support portion 36, and the support end 62a of the side support portion 61 are , Larger than the height dimension H4 of the flange 3. Accordingly, when the pack 1 is supported in each of the storage portions 21, the bottom surface of the pack 1 is separated from the first bottom surface flaps 16 and 17 and the second bottom surface flaps 18 and 19 and is suspended in the air. Therefore, it is possible to prevent the fruits and vegetables contained in the pack from being damaged by an impact or the like applied to the bottom surface.

  (3) The total dimension W1, W2 from the ruled line 24 to the tip of the first bottom surface flap 16, 17 is set smaller than the width dimension W of the box body 11 (W> W1 + W2). The total dimension L1 and L2 from the ruled line 24 to the tip of the second bottom flaps 18 and 19 is set smaller than the length dimension L of the box body 11 (L> L1 + L2). As a result, the total area of the first bottom surface flaps 16 and 17 and the second bottom surface flaps 18 and 19 is smaller than the total area of the bottom surface of the box body 11. As a result, the area of the one piece is made smaller than in the case where the first bottom surface flaps 16 and 17 are butt flaps whose tips are butted and the second bottom surface flaps 18 and 19 are butt flaps whose tips are butted. be able to.

(4) The height dimension H1 of the support end 33b of the first corner support portion 31, the height dimension H2 of the first and second support ends 37b and 38b of the second corner support portion 36, and the support end 62a of the side support portion 61. The height dimension H3 is set to the same height (H1 = H2 = H3). As a result, the pack 1 stored in each storage portion 21 can be stably supported in a state parallel to the bottom surface of the box body 11.
(5) The first corner support portion 31 can have a simple structure with the cut-and-raised pieces 33 without attaching a new member.
(6) The second corner support portion 36 can have a simple structure including the first and second cut-and-raised pieces 37, 38 without attaching a new member.

In addition, the above-described embodiment may be appropriately modified and implemented as follows.
The second corner support portion 36 has a configuration in which the first cut-and-raised piece 37 and the second cut-and-raised piece 38 are opened, and the push-in piece 39 pushes and holds in the direction of the storage portion 21. May be omitted. The first and second chamfered portions 37c and 38c may be omitted as long as the first and second support ends 37b and 38b can enter the recess 3b of the flange 3 of the pack 1.

  In the first corner support portion 31, the chamfered portion 33c may be omitted as long as the support end 33b can enter the recess 3b of the flange 3 of the pack 1. Further, the tip 33a of the cut-and-raised piece 33 may not be butted as long as the support end 33b can enter the recess 3b of the flange 3. Further, when the flange 3 is flat, the chamfered portion 33c can be omitted.

  The cut-and-raised piece 33 and the first and second cut-and-raised pieces 37, 38 may be fixed by an adhesive, an adhesive tape, a staple, or the like.

  The packaging box 10 does not cut and raise the first and second cut-and-raised pieces 37 and 38 of the second corner support portion 36, so that the storage portion 21 has two storage portions along the pair of first walls 12 and 13. 21 may be configured. As a result, the pack 1 having a larger size can be stored. Further, in such a case, the second corner support portion 36 may be omitted.

  The partition member 51 may be bridged between the pair of second walls 14 and 15 instead of being bridged between the pair of first walls 12 and 13. In this case, the second corner support portion 36 is formed at an intermediate position between the first walls 12 and 13. Also in this case, four storage units 21 can be configured. When the second corner support portion 36 is omitted, the two storage portions 21 can be formed along the pair of second walls 14 and 15. In this case, the pack 1 having an elongated shape can be stored.

The height dimension H1 of the support end 33b of the first corner support portion 31, the height dimension H2 of the first and second support ends 37b and 38b of the second corner support portion 36, and the height of the support end 62a of the side support portion 61. The dimension H3 may be set to different heights. For example, H1, H2, and H3 are set so that the packs 1 stored in the storage portions 21 are inclined in the same direction. As an example, in FIG. 1, when the second wall 15 side of each storage part 21 is the low side and the second wall 14 side is the high side, the first and second storage parts 21 along the second wall 15 are arranged. The height dimensions H1 and H2 of the corner support portions 31 and 36 are on the low side, and the height dimension H3 of the side support portion 61 is on the high side. In addition, the height dimensions H1 and H2 of the first and second corner support portions 31 and 36 in the two storage portions 21 along the second wall 14 are the high side, and the height dimension H3 of the side support portion 61 is the low side. To do. As a result, the packs 1 stored in the four storage units are stored in an inclined state inclined toward the second wall 15 side. Accordingly, when the packaging box 10 is displayed on the product shelf, the fruits and vegetables stored in the pack 1 facing through the opening 20 can be easily seen by a viewer such as a shopper.
-The items stored in the pack 1 are not limited to fruits and vegetables.
The material of the packaging box is not limited to the corrugated pole, and may be cardboard, for example.

DESCRIPTION OF SYMBOLS 1 ... Pack, 2 ... Upper surface opening part, 3 ... Flange, 3a ... Tip part, 3b ... Recessed part, 10 ... Packaging box, 11 ... Box main body, 12 ... 1st wall, 12a ... 1st outer wall, 12b ... 1st inner wall , 13 ... First wall, 13a ... First outer wall, 13b ... First inner wall, 14 ... Second wall, 14a ... Second outer wall, 14b ... Second inner wall, 15 ... Second wall, 15a ... Second outer wall, 15b ... 2nd inner wall, 16 ... 1st bottom face flap, 17 ... 1st bottom face flap, 18 ... 2nd bottom face flap, 19 ... 2nd bottom face flap, 20 ... Opening part, 21 ... Storage part, 22 ... Ruled line, 23 ... Two Double ruled line, 24 ... Ruled line, 25 ... Engaging piece, 26 ... Inserting piece, 27 ... Engaging hole, 28 ... Inserting hole, 29 ... Splice margin, 31 ... First corner support portion, 32 ... Ruled line, 33 ... Cut-and-raised pieces, 33a ... Tip part, 33b ... Support end, 33c ... Chamfer part, 34 ... Notch part, 36 ... Second corner support part, 37 ... 1 Cut-and-raised piece, 37a ... 1st ruled line, 37b ... Support end, 37c ... 1st chamfered part, 38 ... 2nd cut-and-raised piece, 38a ... 2nd ruled line, 38b ... 2nd support end, 38c ... 2nd chamfered part , 39 ... Pushing piece, 39a ... Ruled line, 39b ... Pressing part, 39c ... Engaging groove, 41 ... Notch, 42 ... Engaging piece, 43 ... Notch recess, 51 ... Partitioning member, 52 ... Partitioning plate, 53 ... Partitioning plate , 54 ... Connection portion, 55 ... First cut groove, 56 ... Ruled line, 57 ... Second cut groove, 58 ... Mounting piece, 59 ... Mounting hole, 61 ... Side support portion, 62 ... Projection piece, 62a ... Support end.

Claims (3)

A packaging box for storing a plurality of packs having a rectangular frame-shaped flange,
With a box body and a partition member,
The box body includes a peripheral wall formed of a pair of first walls facing each other forming a length surface and a pair of second walls facing each other forming a width surface, the pair of first walls and the pair of first walls. With a bottom flap continuously provided on two walls,
In the packaging box, two storage parts for storing the pack can be arranged side by side along the pair of first walls, and two storage parts can be arranged side by side along the pair of second walls. There
The peripheral wall is composed of a sheet extending in the circumferential direction, and both ends thereof are joined,
The partition member is bridged between the pair of first walls at an intermediate position in the direction in which the storage sections are arranged along the pair of first walls, and is attached to the first wall for storing the pack. Two space portions along the same are configured together with the box body, and each of the two space portions constitutes the two storage portions having no partition lined up along the pair of second walls,
The peripheral wall includes a first corner support portion and a second corner support portion that are formed by cutting and raising a corner portion of the storage portion toward the inside of the storage portion and support the corner portion of the pack. ,
The first corner support portion is provided at each corner portion of the box body,
The second corner support portion is provided at an intermediate position in a direction in which the storage portions are arranged on the second wall,
A support end that is a top side of the first and second corner support portions is configured to abut a corner portion of the flange to support the flange,
The support end that is the top side of the partition member includes a side support portion that forms a side that does not include at least the top sides of the first and second corner support portions among the sides that form the opening of the storage portion, The side support portion is configured to contact the side of the flange to support the flange,
The height from the bottom flap in the first and second corner support portion and the supporting end of the side support portion is much larger than the height of the flange from the bottom of the pack,
The peripheral wall is composed of an inner wall and an outer wall,
The first cut-and-raised piece is provided with a first cut-and-raised piece and a second cut-and-raised piece that are arranged in the same direction and are open at both sides in an intermediate position in the direction in which the accommodating portions are arranged in the second wall. And the second
Each of the cut and raised pieces constitutes the second corner support portion,
The storage units arranged along the second wall are a first storage unit and a second storage unit,
The first cut-and-raised piece close to the first storage portion with respect to the second storage portion supports the flange of the pack stored in the first storage portion,
A second cut-and-raised piece that is closer to the second storage portion with respect to the first storage portion supports the flange of the pack stored in the second storage portion,
The outer wall includes a pressing piece that maintains the first cut-and-raised piece and the second cut-and-raised piece in a double-opened state at an intermediate position in the direction in which the storage sections are arranged on the second wall,
The pushing piece controls the side edge of the first cut-and-raised piece and the second cut-and-raised piece so as to regulate the opening and closing of the first cut-and-raised piece and the second cut-and-raised piece from the opened state. An engaging groove with which the side edge is engaged,
The partition member includes mounting pieces at both ends in the extending direction of the second wall,
The said inner wall is a packaging box provided with the attachment hole which attaches the said partition member to the said peripheral wall by inserting the said attachment piece between the said inner wall and the said outer wall . The packaging box according to claim 1, wherein the opposed front end portions of the bottom surface flaps are spaced apart from each other on the bottom surface of the box body. The packaging box according to claim 1 or 2, wherein each of the support ends of the first corner support portion, the second corner support portion, and the side support portion has the same height dimension from the bottom flap.

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