JP3820573B2 - Assembled box - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a prefabricated box mainly used for transporting fresh food such as fruits, vegetables and marine products.
[0002]
[Prior art]
Conventionally, for transporting fresh food such as fruits, vegetables and marine products, it is shown in FIGS. 7 and 8 in consideration of environmental problems such as reuse after use and prevention of generation of harmful substances when discarded and incinerated. Such an assembly box made of paper is used (for example, see Patent Document 1).
[0003]
This assembling box 1 includes a front plate 3, a back plate 4, a left plate 5 and a right plate 6 which are integrally formed on the four sides of the bottom plate 2 through folds, and the opposite side of the bottom plate 2 of the left and right plates 5 and 6. The side plates 3, 4, 5 and 6 are assembled from the punched and unfolded state shown in FIG. 8, respectively, with the left top plate 7 and the right top plate 8 formed integrally with each other through the folds. The right and left top plates 7 and 8 are bent inward, and the locking pieces 9 and 9 provided on both side edges of the left and right top plates 7 and 8 are provided with locking holes 10 provided on the upper edges of the front and rear side plates 3 and 4. 10 is assembled into a box shape having top plates 7 and 8 at the upper end of the box, and the entire box is reinforced by providing the top plates 7 and 8 at the upper end of the box. In addition, the top boxes 7 and 8 support the upper box, making it easy to stack the boxes. The contents of the perishable foodstuffs which are also contained within a box stacked on the stage has to be suitably protected.
[0004]
The assembled box is disassembled after use and returned to the unfolded state shown in FIG. 8 to be reused or discarded.
[0005]
[Patent Document 1]
Japanese Patent Laid-Open No. 10-338232 (paragraph 0002, FIGS. 4 and 5)
[0006]
[Problems to be solved by the invention]
However, since the conventional assembling box as described above is formed in a shape in which each side plate rises perpendicularly to the bottom plate, adjacent side plates are abutted against each other when arranged in multiple rows and columns. The problem is that the airtightness between the boxes is poor, harmful substances such as ethylene gas generated by the fruits are difficult to be exhausted and accumulate in each box, and the fresh food items such as fruits contained in the boxes are easily damaged In addition, there is a problem that, when stored in the cold storage room, the cold air does not spread uniformly in each box, and the pieces come out into the cold storage state.
[0007]
Furthermore, there is a problem that the work of assembling the box from the unfolded state or the work of disassembling from the box to the unfolded state is difficult and takes a long time, and the work efficiency is poor, and when the boxes are stacked in multiple stages. When the weight of the box stacked in the upper stage is loaded on the upper edge of each side plate of the box, each side plate exerts a force in the direction of falling outward, and the box tends to collapse, so much There was a problem that the boxes could not be stacked.
[0008]
In view of the state of the prior art as described above, the present invention can be easily assembled and has excellent strength in the stacking direction. Further, the present invention provides air permeability between adjacent boxes when the boxes are arranged in multiple rows and columns. An object of the present invention is to provide a prefabricated box that is excellent and can obtain a high freshness keeping effect and a cold keeping effect.
[0009]
[Means for Solving the Problems]
In order to solve the above-described conventional problems and achieve the intended purpose, the assembly type box according to claim 1 includes a flat bottom plate and a front side plate integrally formed through folds on four sides of the bottom plate. , A back side plate, a left side plate and a right side plate, a front left side plate connecting plate in which a crease starting from a corner of the bottom plate is formed, connecting each side of the front side plate and the left side plate, and the front side Connecting the side plates between the side plates and the right side plate, connecting the front right side plate connecting plate formed with a crease starting from the corner of the bottom plate, and connecting the side plates between the back side plate and the left side plate. A back left side plate connecting plate formed with a crease starting from a corner of the bottom plate, and connecting each side of the back side plate and the right side plate, and a fold starting from the corner of the bottom plate is formed. The back right side plate connecting plate and the left side plate and the right side plate on the opposite side of the bottom plate are integrally formed through a fold. And a top plate having an engaging piece on both side edges engaged in the upper edge of the front plate and the back plate, the left side plate and the right side plate forms a formed widely each bottom plate side trapezoidal, the front The side plate is integrally formed through a front outer plate that is continuous with the bottom plate through a fold, and a front upper edge plate that has a certain width at the edge of the front outer plate opposite to the bottom plate. An inner plate, and the back plate includes a back outer plate that is continuous with the bottom plate through a fold, and a back upper edge plate having a constant width at an edge of the back outer plate opposite to the bottom plate. The front inner plate and the back inner plate are provided with a notch for avoiding the locking piece at the edge opposite to the upper edge plate, and the left side plate. folding overlapping plates and a right side plate on each of the bottom plate, the front inner plate and the back inner panel of each of said upper edge plates Said bent edge as folds when superimposed on each outer plate, in a state in which the locking piece has subsided into the notch for avoiding the locking pieces, the whole shape is folded in the shape of a flat plate, the said side plates up to the bottom plate, characterized in that the said as before assembled side edge of the inner plate and the back inner plate into a box shape by Rukoto engaged with the inner surface of the left and right side plates.
[0010]
By configuring in this way, when the boxes are arranged in multiple rows and columns, gaps are formed between adjacent boxes due to the left and right side plates being formed in a trapezoidal shape, and air is evenly distributed and arranged from this gap Air permeability to each assembled box is improved, and harmful substances such as ethylene gas are suitably discharged to obtain a high freshness-keeping effect. Uniform cooling can be obtained because it is distributed evenly through.
[0011]
Moreover, it can be assembled easily, and the strength in the stacking direction is increased by supporting the left side plate and the right side plate while the front side plate and the back side plate are tilted inward, so that the boxes can be stacked in multiple stages.
[0012]
According to a second aspect of the present invention, in addition to the configuration of the first aspect, the front side plate and the back side plate are formed in a trapezoidal shape having a wide bottom plate side. It is characterized in that a fold is formed obliquely toward the leading edge and a relief piece that is folded from the fold is provided.
[0013]
By configuring in this way, a gap is formed between the boxes arranged in the front-rear direction, air permeability is improved, harmful substances such as ethylene gas are suitably discharged, and a high freshness maintaining effect can be obtained. When stored in a room or the like, the cold air is evenly distributed through the gaps between the boxes, so that a uniform cold state can be obtained.
[0014]
Also, the left side plate and right side plate are slightly lifted, and when each side plate is raised, each connecting plate pushes up the release piece and is pressed even if the escape piece is not pre-fitted. Each side plate can be suitably raised and the box can be easily assembled.
[0015]
According to a third aspect of the invention, in addition to the configuration of the first or second aspect, the side plate includes a vent hole.
[0016]
By comprising in this way, the air permeability between the clearance gap formed between the arranged boxes and the inside of a box improves markedly.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of the assembly box according to the present invention will be described.
[0018]
1 and 2 show an example of an assembly box according to the present invention, and reference numeral 20 denotes an assembly box.
[0019]
The assembling box 20 is formed by punching a paper plate material such as cardboard as shown in a development view shown in FIG. 2 and bending it.
[0020]
This assembling box 20 includes a rectangular bottom plate 21 and front and rear plates 26, 27, 27, and 28 that are integrally formed on the front and back edges of the bottom plate 21 via folds 22 to 25, respectively. 29, a front left side plate connecting plate 30 that connects each side part of the front side plate 26 and the left side plate 28, and a front right side plate connecting plate 31 that connects each side side part of the front side plate 26 and the right side plate 29. The back left side plate connecting plate 32 that connects the side portions of the back side plate 27 and the left side plate 28, the back right side plate connecting plate 33 that connects the side sides of the back side plate 27 and the right side plate 29, and the left side. A left top plate 34 and a right top plate 35 are integrally formed on the edges of the plate 28 and the right plate 29 through folds.
[0021]
The front side plate 26 is formed in a symmetrical trapezoidal shape (angle θ1 = 85 ° to 89 ° formed by the edge of the bottom plate side and the side edge) having a wide bottom plate side, and is continuous through the bottom plate 21 and the fold line 22. The outer plate 36 and a front inner plate 38 formed integrally with a front upper edge plate 37 at an edge opposite to the fold line 22 are formed, and both edges of the front upper edge plate 37 are folds. By bending, the front inner plate 38 is superposed on the front outer plate 36, and the front inner plate 38 is fixed to the inner side surface of the front outer plate 36 with an adhesive.
[0022]
The back side plate 27 is formed in a symmetrical trapezoidal shape (angle θ1 = 85 ° to 89 ° formed by the edge on the side of the bottom plate side and the side edge) having a wide bottom plate side, and is continuous through the bottom plate 21 and the crease 23. An outer side plate 39 and a back inner side plate 41 integrally formed via a back upper edge plate 40 at an edge opposite to the fold 23 are formed, and both edges of the back upper edge plate 40 are used as folds. The back inner plate 41 is folded and superimposed on the inner surface of the back outer plate 39, and the back inner plate 41 is fixed to the inner surface of the back outer plate 39 with an adhesive.
[0023]
The front outer side plate 36 and the front inner side plate 38, and the back outer side plate 39 and the back inner side plate 41 are both formed in a substantially trapezoidal shape and overlap each other by being bent through upper edge plates 37 and 40.
[0024]
Further, the front inner plate 38 and the back inner plate 41 are provided with relief pieces 43 and 43 which are formed with folds 42 and 42 obliquely directed from the side edge proximal end side to the distal end edge side and folded from the fold line 42. ing.
[0025]
Engagement pieces 44 are formed on the edge of the escape piece 43 opposite to the outer plate, and the left side plate 28 or the right side plate 29 is provided on the side edge of the release piece 43, that is, on both side edges of the inner plate 38. An engaging projection 45 is formed to engage with a locking hole formed at the edge of the. Also, finger holes 46 and 46 are provided in the central portion of the relief piece 43 so that the relief piece 43 can be easily caused when the box is disassembled.
[0026]
Further, the front inner plate 38 and the back inner plate 41 are formed with a notch 47 for avoiding a locking piece at the edge opposite to the upper edge plates 37 and 40.
[0027]
In the bottom of the assembly box, engagement holes 48, 48... Are formed by cutting from the edges of the outer plates 36, 39 to the edges of the bottom plate 21 across the folds 22, 23. When the back plate 27 is raised, the inner plates 38, 41, that is, the engagement pieces 44, 44 formed at the edges of the escape pieces 43, 43 are fitted into the engagement holes 48.
[0028]
The front upper edge plate 37 and the back upper edge plate 40 are formed in an elongated plate shape having a constant width, and constitute an upper edge portion of the front side plate 26 or the back side plate 27.
[0029]
The upper edge plates 37 and 40 are formed with locking holes 49 into which locking pieces formed on the side edges of the left and right top plates 34 and 35 are inserted.
[0030]
The left side plate 28 is formed in a symmetrical trapezoidal shape (angle θ2 = 85 ° to 88 ° formed by the edge of the bottom plate side and the side edge) with the bottom plate side widely formed, and continuously through the bottom plate 21 and the crease 24. The left top plate 34 is continuously formed through the fold line 51 at the edge opposite to the bottom plate 21.
[0031]
The right side plate 29 is formed in a symmetrical trapezoidal shape (angle θ2 = 85 ° to 88 ° formed by the edge of the bottom plate side and the side edge) having a wide bottom plate side, and is continuously connected via the bottom plate 21 and the crease 25. The right top plate 35 is continuously formed through the crease 52 at the edge opposite to the bottom plate 21.
[0032]
Further, engagement holes 53 for engagement are provided on both side edges of the left side plate 28 and the right side plate 29 so that engagement protrusions 45 provided on the side edges of the front inner side plate 38 or the back inner side plate 41 are engaged. Is provided.
[0033]
The left top plate 34 and the right top plate 35 are integrally formed with hooks 54 and 54 formed in a hook shape at both side edges through folds. The left and right top plates 34 and 35 are assembled by being inserted into and locked in upper holes of the back side plate 27, that is, the front upper edge plate 37 and the back upper edge plate 40, respectively. It is spanned and fixed between the front side plate 26 and the back side plate 27 at the upper surface end of the box.
[0034]
The front left side plate connecting plate 30, the front right side plate connecting plate 31, the back left side plate connecting plate 32 and the back right side plate connecting plate 33 are each composed of a fixed portion 56 and a movable portion 57 via a fold 55. The fixing portion 56 is bonded to the inner surfaces of the front outer plate 36 and the back outer plate 39 with an adhesive.
[0035]
The angles θ3 and θ4 formed by the side edges of the side plates and the folds 55 are respectively (360 ° −90 ° −θ1−θ2) / 2, and the connecting plates 30, 31, 32, and 33 are When the left and right side plates 28 and 29 are folded to the bottom plate side to make the assembly box flat, the movable portion 57 is lifted from the inner surfaces of the front outer plate 36 and the back outer plate 39, and the inner plate 36, 39 is a relief piece. 43 and 43 are lifted. Therefore, the connecting plates are not pressed down by the escape piece 43, and the side plates 26, 27, 28, and 29 are easily raised even if the crease 42 of the escape piece 43 is not preliminarily attached. be able to.
[0036]
Further, when assembled, a part of the overlapping portion of the fixed portion 56 and the movable portion 57 of each of the connecting plates 30, 31, 32, 33 is a relief piece 43, that is, the front inner plate 38 and the back inner plate 41. The relief piece 43 is pressed down.
[0037]
When the assembled boxes 20, 20... Are arranged in multiple rows and columns as shown in FIG. 4, a gap 58 is formed between the boxes adjacent in the horizontal direction, and the air permeability between the boxes 20, 20 is formed through the gap 58. In this case, the harmful ethylene gas generated in the box can be discharged and fresh air can be taken into the box. It can be distributed evenly throughout and keep the cold state of each assembled box uniform.
[0038]
Next, an assembling method of the assembly box 20 described above will be described with reference to FIGS.
[0039]
First, as shown in FIGS. 5A and 5B, the left side plate 28 is folded inwardly, that is, on the bottom plate 21 side along the fold line 24, and folded on the bottom plate 21 together with the left top plate 34 continuous with the left side plate 28. . And the fixing | fixed part 56 of each connection plate 30 and 32 folded together at that time is affixed on the overlap part of the front outer side board 36 and the back outer side board 39 with an adhesive agent.
[0040]
Similarly, as shown in FIGS. 5 (b) to 5 (c), the right side plate 29 is bent inwardly, that is, on the bottom plate 21 side along the fold line 25, and overlapped with the bottom plate 21 together with the right top plate 35 continuous with the right side plate 29. Fold it up. And the fixing | fixed part 56 of each connection plate 31 and 33 folded together at that time is affixed on the overlap part of the front outer side board 36 and the back outer side board 39 with an adhesive agent.
[0041]
In this way, when the front side plate 26 and the back side plate 27 are raised by attaching the fixing portions 56 of the connecting plates 30, 31, 32, 33 to the overlapping portions of the front outer side plate 36 and the back outer side plate 39. The left side plate 28 and the right side plate 29 also stand up in conjunction with the attached connecting plates 30, 31, 32, 33.
[0042]
The left top plate 34 and the right top plate 35 partially overlap each other.
[0043]
Then, as shown in FIGS. 5C to 5D, the front inner plate 38 is bent with both edges of the front upper edge plate 37 as folds, overlapped with the front outer plate 36, and the overlapped front inner plate 38 is moved forward. The back inner plate 41 is affixed to the inner side surface of the outer plate 36, and the both sides of the back upper edge plate 40 are folded in the same manner, overlapped with the back outer plate 39, and the overlapped back inner plate 41 is overlapped with the back outer plate. It is made to stick on the inner surface of 39.
[0044]
At this time, the locking pieces 54 and 54 formed on the side edges of the left and right top plates 34 and 35 by the locking piece avoiding notches 47 formed on the front inner plate 38 and the back inner plate 41 are shown in FIG. As shown in FIG. 3, the inner plates 38 and 41 are prevented from being pressed by being accommodated in the notch 47 for avoiding the locking piece.
[0045]
In this state, the primary assembly is completed, and the assembly intermediate member 60 is formed. In this state, when transporting, storing, and the like, the plate is flat, and it is not bulky even if it is stacked. On the other hand, each side plate 26, 27, Since 28 and 29 are formed in a trapezoidal shape, the movable portion 57 of each connecting plate 30, 31, 32 and 33 is lifted from each outer plate 36 and 39, and each inner plate, that is, the escape piece portions 43 and 43 are slightly moved. Lifting.
[0046]
Next, as shown in FIGS. 6E to 6F, when the front side plate 26 and the back side plate 27 are raised as shown in FIGS. 6E to 6F, the connecting plates 30, 31, 32, 33 are interlocked. The left side plate 28 and the right side plate 29 on which the top plates 34 and 35 are integrally formed also rise.
[0047]
At this time, the relief pieces 43, 43... Are automatically lifted by the movable portions 57 of the connecting plates 30, 31, 32, 33, and the movable portions 57 of the connecting plates 30, 31, 32, 33 are released. That is, it operates in a direction overlapping the fixing portion 56 without being obstructed by the front inner plate 39 and the back inner plate 41.
[0048]
6 (f)-(g), the side plates 26, 27, 28, 29 are raised with respect to the bottom plate 21, the escape pieces 43, 43 are returned to their original positions, and the front inner plate and The engagement protrusions 45, 45 formed on the side edge of the back inner plate are engaged with the engagement holes 53, 53 of the left side plate 28 and the right side plate 29, and the engagement piece 44 is engaged with the engagement hole 48. The portion where the fixed portion 56 and the movable portion 57 of the connecting plates 30, 31, 32, and 33 overlap is located between the front outer plate 36 and the escape piece 43 of the front inner plate 38 or the back outer plate 39 and the back plate. The side plates 26, 27, 28, and 29 are fixed in a standing state by being sandwiched between the relief pieces 43 of the inner plate 41.
[0049]
Finally, as shown in FIGS. 6 (g) to 6 (h), the left and right top plates 34, 35 are bent inward, and the locking pieces 54, 54 on both side edges are inserted into the locking holes 49 to be engaged, The left and right top plates 34 and 35 are fixed to the front side plate 26 and the back side plate 27.
[0050]
Thus, the assembly box 20 having the top plates 34 and 35 on both sides of the upper surface of the box is formed.
[0051]
When disassembling the assembling box 20, after removing the locking pieces of the left and right top plates 34, 35 from the upper edge plates 37, 40, the engaging piece 44 of the relief piece 43 is removed from the engaging hole 48. When the engagement protrusion 45 is removed from the engagement holes 53 of the left side plate 28 and the right side plate 29, the relief pieces 43 and 43 are raised, and the front side plate 26 and the back side plate 27 are laid on the outside as they are. Since the left side plate 28 and the right side plate 29 also lie inside in conjunction with 31, 32, 33, the same state as when the primary assembly is completed is obtained.
[0052]
In the above-described embodiment, an example in which all of the front side plate, the back side plate, the left side plate, and the right side plate are formed in a trapezoidal shape has been described, but only the left side plate and the right side plate may be formed in a trapezoidal shape. The angles θ1 to θ4 are not limited to the numerical values described in the above embodiments.
[0053]
Further, the side plates 26 to 29 of the assembling box 20 can be formed with vent holes penetrating in the thickness direction of the side plates. By providing the vent holes, gaps formed between the boxes and the box The air permeability between the inside is remarkably improved.
[0054]
Further, in the above-described embodiment, an example in which the assembly box is configured by a paper plate material such as cardboard has been described. However, a material having air permeability may be used as the material itself.
[0055]
In this assembling box 20, a U-shaped cut is made in the front upper edge plate and the back upper edge plate, whereby an engagement hole 49 into which the engagement pieces 54, 54 of the top plates 34, 35 are inserted, A guide piece continuous with the outer plates 36 and 39 may be formed on the outer edge of the stop hole 49. By doing so, the locking piece 54 is guided to the guide piece and can be quickly and easily inserted into the locking hole 49. When the boxes are stacked in multiple stages, the guide pieces are stacked on top. The boxes inserted into the box engagement holes 48 and stacked up and down regulate the horizontal movement and prevent lateral displacement of the boxes.
[0056]
【The invention's effect】
As described above, the assembly box according to the present invention can be easily assembled, and by forming each side plate in a trapezoidal shape, it is strengthened against the load in the stacking direction, and can be suitably stacked in multiple stages. it can.
[0057]
In addition, when the boxes are arranged in multiple rows and columns, each side plate is formed in a trapezoidal shape, so that gaps are formed between adjacent boxes, and air is evenly distributed through these gaps, and each assembled type box Improves air permeability. Accordingly, harmful substances such as ethylene gas generated from fruits can be suitably discharged, making it difficult to rot and obtaining a high freshness-keeping effect, and storing fresh food such as fruits in a prefabricated box in a cold room. In such a case, the cold air spreads evenly through the gaps through the gaps, so that fresh foods such as fruits uniformly contained in the boxes can be kept cold.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a prefabricated box according to the present invention.
FIG. 2 is a development view of the assembly type box.
FIG. 3 is a partially enlarged plan view showing a connecting portion of the same base plate, side plates, and connecting plates.
FIG. 4 is an exploded perspective view showing a connecting portion between boxes when boxes are stacked.
FIGS. 5A to 5D are perspective views showing a primary assembly process up to an assembly intermediate member of the assembly type box of the above.
FIGS. 6E to 6H are perspective views showing an assembling process from an assembling intermediate member to a final assembling of the assembling box described above.
FIG. 7 is a perspective view showing an example of a conventional assembling box.
FIG. 8 is a development view of the assembly-type box.
[Explanation of symbols]
20 assembling box 21 bottom plate 22-25 crease 26 front plate 27 back side plate 28 left side plate 29 right side plate 30 front left side plate connecting plate 31 front right side plate connecting plate 32 back left side plate connecting plate 33 back right side plate connecting plate 34 left top plate 35 right top plate 36 front outer side plate 37 front upper edge plate 38 front inner side plate 39 back outer side plate 40 back upper edge plate 41 back inner side plate 42 crease 43 relief piece 45 engagement projection 46 finger hole 47 (locking piece Notch 48 Notch 48 Engagement hole 49 Engagement hole 51, 52 Crease 53 Engagement hole 54 Engagement piece 55 Crease 56 Fixed part 57 Movable part 58 Clearance 60 Assembly intermediate member

Claims (3)

A flat bottom plate, a front plate integrally formed through folds on the four sides of the bottom plate, a back plate, a left plate and a right plate, and connecting between each side of the front plate and the left plate, The front left side plate connecting plate in which a crease starting from the corner of the bottom plate is formed, and the side plates of the front side plate and the right side plate are connected to each other before the crease starting from the corner of the bottom plate is formed. A connecting plate between the right side plates, a connecting plate between the back side plates and the left side plate, connecting each side of the back side plate and the left side plate, and forming a crease starting from a corner of the bottom plate, the back side plate and the right side plate A connecting plate between the right and left back plates that connects each side of the plate and has a crease starting from a corner of the bottom plate, and a crease at the edge of the left and right plates opposite to the bottom plate. And a top plate having a locking piece engaged with the upper edge of the front side plate and the back side plate formed on both side edges,
Each of the left side plate and the right side plate has a trapezoidal shape in which the bottom plate side is widely formed,
The front plate is integrally formed through a front outer plate that is continuous with the bottom plate via a fold, and a front upper edge plate that has a certain width at the edge of the front outer plate opposite to the bottom plate. A back inner plate that is continuous with the bottom plate through a fold, and a back surface having a constant width at an edge of the back outer plate opposite to the bottom plate. A back inner plate integrally formed through an edge plate, the front inner plate and the back inner plate are provided with a notch for locking piece avoidance at the edge opposite to the upper edge plate,
When the left side plate and the right side plate are folded and overlapped with the bottom plate, respectively, the front inner plate and the back inner plate are folded with both edges of the upper edge plates as folds and overlapped with the outer plates. The entire shape is folded into a flat plate in a state where the locking piece is housed in the locking piece avoiding notch, the side plates are raised with respect to the bottom plate, and the side edges of the front inner plate and the back inner plate the prefabricated box made as a feature that it has to be assembled into a box shape by Rukoto engage the inner surface of the right and left side plates, respectively. And the front plate and the back plate of the bottom plate side is wide formed trapezoidal, wherein the front inner plate and the back inner panel, from the crease to form a crease directed obliquely at the tip edge side a side edge thereof proximal side The assembly box according to claim 1, further comprising a relief piece that is folded.   The assembly type box according to claim 1 or 2, wherein the side plate includes a vent hole.

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