Assembly partitioning device

Abstract

To provide an assembly partitioning device that contributes to resource conservation by reducing a used amount of base sheets without reducing use strength of a partition member, and can reduce manufacturing costs.SOLUTION: The assembly partitioning device forms a storage space in a storage box by partitioning into partition spaces corresponding to a shape and dimension of an object to be stored, and is formed by assembling and joining a first partition member 2 and a second partition member 3 in an upright state. The first partition member 2 and the second partition member 3 have uneven contour shapes in which their upper edges 4, 6 are composed of alternately continuous recesses 10 and protrusions 11, and the uneven contour shapes of the upper edges 4, 6 are set to complementary shapes such that when the upper edges 4, 6 are butt-joined facing each other, one recess 10 and the other protrusion 11 of the partition members 2, 3 are closely fitted with each other.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a group partitioning device, and more specifically, to a group partitioning technology that, when storing multiple items in a storage box, partitions the storage space within the storage box into compartmentalized spaces corresponding to the shapes and dimensions of the items to be stored. [Background technology]

[0002] When transporting or selling items such as bottled or canned beverages, a common method of handling the items is to store multiple bottles (or multiple items) of the items together in a storage box such as a cardboard box.In this case, a group divider device is placed and used inside the storage box to hold the items in position and prevent the items from coming into direct contact with each other, which could cause noise or damage.

[0003] This type of partition device divides the storage space within the storage box into separate spaces corresponding to the shape and dimensions of the items to be stored, and generally comprises a number of roughly rectangular partition members cut and formed from a flat base sheet, which are assembled and joined in a lattice pattern (see, for example, Patent Document 1, etc.).The partition device is positioned within the storage box to form separate spaces within the storage space. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Utility Model Registration No. 3221841 Summary of the Invention [Problem to be solved by the invention]

[0005] Incidentally, the partition members, which are components of the above-mentioned assembly partition device, are cut and formed from a flat base sheet. Since the shape of the partition member is approximately rectangular, the maximum number of partition members that can be formed from the base sheet is simply the number that can be divisible by the maximum dimension of the base sheet by the shape and dimensions of the partition member, particularly the height dimension of an approximately rectangular partition member (as the height dimension is usually smaller than the width dimension).

[0006] Due to recent demands for resource conservation, it is desirable to form as many partition members as possible from a base sheet of a given size, and improvements that meet this demand will directly lead to a reduction in the amount of base sheet used and thus reduced manufacturing costs.

[0007] The present invention has been made in consideration of the above-mentioned problems, and has an object to provide a partition assembly device that can reduce the amount of base sheet used, thereby contributing to resource conservation and reducing manufacturing costs, without reducing the strength of the partition members. Furthermore, the present invention also has an object to reduce manufacturing costs by reducing the amount of raw materials used. [Means for solving the problem]

[0008] In order to achieve the above object, the present invention provides a partitioning device for partitioning a storage space in a storage box into separate spaces corresponding to the shape and dimensions of the items to be stored when the storage box is used to store a plurality of items, the partitioning device being configured by combining and connecting a first partitioning member and a second partitioning member formed from a flat base sheet in an upright state, the first partitioning member and the second partitioning member each having an uneven contour shape with alternating successive concave and convex portions at their upper edges, and a straight contour shape extending linearly in the horizontal direction at their lower edges, and one of the first partitioning member and the second partitioning member has an upper engaging portion disposed at the bottom center position of the concave portion at the upper edge. A slit extends downward, and the other of the two has a lower engagement slit extending upward at a position corresponding to the upper engagement slit on the lower edge, and the first partition member and the second partition member are combined and joined in a lattice pattern while the lower engagement slit is engaged with the upper engagement slit from above, thereby forming a partitioned space, and the concave and convex contour shapes of the upper edges of the first partition member and the second partition member are set to complementary shapes such that when the upper edges are butt-joined opposite each other, the concave portion of one of the partition members and the convex portion of the other partition member fit closely together.

[0009] As a preferred embodiment, the following configuration is adopted. (1) The arrangement pitch of the upper and lower engagement slits is set in accordance with the shape and dimensions of the items to be stored, and in each of the partition spaces formed by the lattice-like combination of the first partition member and the second partition member, the convex portions of both partition members are configured to surround on all four sides the items to be stored in the partition space.

[0010] (2) In the concave-convex contour shape of the upper edges of both partition members, the convex portion has a trapezoidal contour consisting of a horizontal, straight top edge parallel to the lower edge and two opposite sides that slope downward in a fan-out manner, and the concave portion has a trapezoidal contour that matches this convex portion.

[0011] As the material of the base sheet constituting the group partition device according to the present invention, it is preferable to use corrugated cardboard because of the advantages of workability and manufacturing costs. It is preferable that the corrugated cardboard is a plate-shaped material formed by bonding flat paper (liner) and corrugated paper (core) with an adhesive. It is also possible to use materials other than corrugated cardboard as the material of the base sheet, and it is preferable to use chipboard, coated cardboard, or plastic cardboard, for example. Here, it is preferable that chipboard is formed by overlapping waste paper and the like and multi-layering it. Coated cardboard is also called paperboard. Furthermore, plastic cardboard is a material also called plastic board, and it is possible to use one made of polypropylene resin as a raw material. Effect of the Invention

[0012] According to the partition assembly of the present invention, a first partition member and a second partition member formed from a flat base sheet are assembled and joined together in an upright state, and the first partition member and the second partition member have an upper edge with an uneven contour shape consisting of alternating continuous concave and convex portions, and a lower edge with a linear contour shape extending linearly in the horizontal direction, and one of the first partition member and the second partition member has an upper engagement slit extending downward at the center position of the bottom of the concave portion of the upper edge, and the other has a lower engagement slit extending upward at a position corresponding to the upper engagement slit of the lower edge, and the lower engagement slit is engaged with the upper engagement slit. The partition space is formed by combining and joining the first and second partition members in a lattice pattern while engaging the mating slits from above, and the concave and convex contour shapes of the upper edges of the first and second partition members are set to complementary shapes such that when the upper edges are butted together facing each other, the concave portion of one of the partition members and the convex portion of the other partition member fit closely together, thereby providing the unique effects listed below, and providing an assembled partition device that can reduce the amount of base sheet used without reducing the strength of the partition members, thereby contributing to resource conservation and reducing manufacturing costs.Furthermore, according to the present invention, it is also possible to reduce manufacturing costs by reducing the amount of raw material used.

[0013] (1) The first partition member and the second partition member, which are formed from a flat base sheet, have an uneven contour shape on their upper edges consisting of alternating successive concave and convex portions, and when the upper edges of these partition members are butt-joined opposite each other, the concave portion of one of the partition members and the convex portion of the other are set to complementary shapes that fit closely into each other.

[0014] Therefore, when cutting and forming the first and second partition members from the base sheet, the cutting arrangement of these partition members on the base sheet is arranged so that the concave and convex portions of the upper edges have complementary shapes as described above, and the base sheet is used in a state in which adjacent partition members cross each other by the height of the concave and convex portions of the concave-convex contour shape.

[0015] As a result, the amount of base sheet used in cutting and forming the partition member in the present invention can be reduced by the height of the above-mentioned concave and convex portions, compared to when the first partition member and the second partition member are roughly rectangular as in the conventional case and have a straight-line contour shape with their upper edges extending in a straight line, which contributes to resource conservation and reduces manufacturing costs.

[0016] (2) The first and second partition members have an uneven contour shape consisting of alternating successive concave and convex portions at their upper edges, and one of the first and second partition members has an upper engagement slit extending downward at the center of the bottom of the concave portion of the upper edge, while the other has a lower engagement slit extending upward at a position corresponding to the upper engagement slit on the lower edge, and the first and second partition members are combined and joined in a lattice pattern while the lower engagement slit is engaged with the upper engagement slit from above, thereby forming the partition space.Therefore, although the amount of base sheet used in cutting and forming the partition member in (1) above is reduced compared to the conventional method, the maximum height of the partition member is the height of the convex portion, which is the same as that of conventional approximately rectangular partition members.

[0017] Therefore, in each partitioned space within the storage box formed by the lattice-like combination of the first partition member and the second partition member, the convex portions of both partition members position and hold the items stored in the partitioned space at the same height as conventional partition members, ensuring that the usable strength of the partition members remains the same as before, without any reduction.

[0018] (3) Furthermore, as described above in (2), in each of the divided spaces, the convex portions of the two partition members are positioned and held at the same height as the conventional partition members with respect to the stored articles, and accordingly, the concave portions between these convex portions function as spaces for fingers when removing the articles, making it easy to handle the articles. [Brief description of the drawings]

[0019] [Figure 1] 1 is a partially exploded perspective view showing a group partition device according to an embodiment of the present invention; [Diagram 2] FIG. 4 is a front view showing a first partition member constituting the partition device of the same set. [Diagram 3] 13 is a front view showing a second partition member constituting the partition device of the same set. FIG. [Figure 4] A plan view showing an example of a cutting arrangement configuration of a first partition member and a second partition member that constitute a partition device set on a base sheet when cutting and forming the first partition member and the second partition member from the base sheet. [Diagram 5] This is a plan view showing another example of the cutting arrangement configuration of the first partition member and the second partition member on the base sheet when cutting and forming the first partition member and the second partition member that constitute the same partition device from the base sheet. [Figure 6] This is a plan view showing yet another example of the cutting arrangement configuration of the first partition member and the second partition member on the base sheet when cutting and forming the first partition member and the second partition member that constitute the same partition device from the base sheet. [Figure 7] FIG. 13 is a perspective view showing a storage box equipped with the partition device in use; [Figure 8] FIG. 11 is a partially exploded perspective view showing a group partition device according to another embodiment of the present invention. [Figure 9] FIG. 11 is a front view showing a first partition member of another embodiment constituting the same partition device. [Figure 10] FIG. 11 is a front view showing a second partition member of another embodiment constituting the same partition device. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0020] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. In addition, the same reference numerals denote the same components or elements throughout the drawings.

[0021] A group partition device according to the present invention is shown in Figures 1 to 7, and this group partition device 1 is specifically positioned and arranged within a storage box 20 as shown in Figure 7, so that the storage space 20a within the storage box 20 is divided into a number of partition spaces 22, 22, ... corresponding to the shape and dimensions of the items 21 to be stored (the outer diameter if the item is a cylinder, or the maximum outer periphery width if the item is a prism).

[0022] The specific constituent materials and shape and structure of the storage box 20 are appropriately designed according to the type (bottled or canned drinks, food, etc.), shape, and number of items 21 to be stored. The storage box 20 in the illustrated embodiment is made of cardboard, and its storage space 20a has a shape and structure having a vertical dimension L20a, a horizontal dimension W20a, and a height dimension H20a that can store 12 bottles of bottled drinks or food as illustrated as the items 21.

[0023] 1, the partition assembly 1 is formed by assembling and connecting a plurality of first partition members 2, 2 and a plurality of second partition members 3, 3, ... in an upright state, and these first and second partition members 2, 3, ... are formed from a flat base sheet (not shown) as described later. As the base sheet, a corrugated cardboard sheet is preferably used, which is excellent in terms of ease of processing and economy, and the type of cardboard is appropriately selected and used depending on the purpose and application, etc.

[0024] The illustrated assembly partition device 1 is composed of a plurality (two in the illustrated case) of first partition members 2, 2 and a plurality (three in the illustrated case) of second partition members 3, 3, ... which are assembled and connected to each other in an upright state and perpendicular to the vertical and horizontal directions, as shown in Figure 1, to correspond to the rectangular outline shape of the storage space 20a of the target storage box 20.

[0025] As shown in FIG. 2, the length dimension L2 of the first partition member 2 is set to be approximately the same as but slightly smaller than the vertical dimension L20a of the storage space 20a of the storage box 20, and the height dimension H2 is set to be approximately the same as or smaller than the height of the item 21 to be stored in the space 20a.

[0026] As shown in FIG. 3, the second partition member 3 has a length dimension L3 that is set to be slightly smaller than and approximately the same as the horizontal dimension W20a of the storage space 20a of the storage box 20, and a height dimension H3 that is set to be the same as the height dimension H2 of the first partition member 2.

[0027] As shown in Figures 2 and 3, the first partition member 2 and the second partition member 3 have upper edges 4, 6 each having an uneven contour shape consisting of alternating succession of recesses 10 and protrusions 11, and each having lower edges 5, 7 each having a straight contour shape extending linearly in the horizontal direction.

[0028] As described above, the upper edges 4, 6 of the first partition member 2 and the second partition member 3 have similar uneven contour shapes. By being configured in this manner, as will be described later, the strength of the partition members 2, 3 in use is ensured and the amount of base sheet used in production is reduced as much as possible.

[0029] The specific contour shapes of the upper edges 4, 6 of the first partition member 2 and the second partition member 3 are set in relation to the upper and lower engagement slits 15, 16 described below, and this will be described later.

[0030] In addition, one of the first partition member 2 and the second partition member 3 has an upper engagement slit 15 extending downwardly at the bottom center position of the recess 10 of the upper end edges 4, 6, and the other has a lower engagement slit 16 extending upwardly at a position corresponding to the upper engagement slit 15 of the lower end edges 5, 7, which engages with the upper engagement slit 15.

[0031] Then, the first partition member 2 and the second partition member 3 are assembled and joined by engaging the lower engagement slit 16 with the upper engagement slit 15 from above in an interlocking manner.

[0032] For this purpose, both of the engagement slits 15, 16 have the same shape and structure, and specifically, as shown in Figures 2 and 3, they are composed of an insertion portion 17a and an engagement portion 17b. The insertion portion 17a is set to a tapered shape larger than the thickness of the partition members 2, 3, and the engagement portion 17b is continuous with the insertion portion 17a and is set at a parallel interval of approximately the same dimension as the thickness of the partition members 2, 3. The length dimension of both of the engagement slits 15, 16 is set so that their lower end edges 5, 7 are on the same plane when the first partition member 2 and the second partition member 3 are assembled and joined.

[0033] As a result, when the lower engagement slit 16 is engaged with the upper engagement slit 15 from above in an interlocking manner, the two engagement slits 15, 16 are first smoothly inserted into each other by the insertion portions 17a, 17a, and then guided in a straight line by the engagement portion 17b and engaged in an interlocking manner. In this engaged state, the engagement portions 17b, 17b of the two engagement slits 15, 16 cooperate with each other to prevent them from coming off, and the entire engagement state of the two engagement slits 15, 16 is secured, whereby the combined and joined state of the two partition members 2, 3 is stably secured and maintained.

[0034] 1, the first partition member 2 is provided with an upper engagement slit 15 extending vertically downward in a straight line at the center of the bottom of the recess 10 on the upper edge 4, and the second partition member 3 is provided with a lower engagement slit 16 extending vertically upward in a straight line at a position corresponding to the upper engagement slit 15 on the lower edge 7. As a result, the first partition member 2 and the second partition member 3 are assembled and joined by engaging the upper engagement slit 15 of the first partition member 2 with the lower engagement slit 16 of the second partition member 3 from above.

[0035] The arrangement pitch P (Figures 2 and 3) of the upper and lower engagement slits 15, 16, ... is set according to the shape and dimensions of the article 21 to be stored (the outer diameter if it is a cylinder as in the illustrated example, or the maximum outer periphery width if it is a prism), and therefore the concave and convex contour shapes of the upper edges 4, 6 of the first partition member 2 and the second partition member 3 are also set according to this arrangement pitch P.

[0036] In the illustrated embodiment, the storage space 20a is configured to accommodate a total of 12 items 21, four vertically and three horizontally, so that in the first partition member 2, the upper engagement slits 15 are provided at positions that divide the length into four equal parts (see Figure 2), and in the second partition member 3, the upper engagement slits 15 are provided at positions that divide the length into three equal parts (see Figure 3).

[0037] In addition, in the concave-convex contour shape of the upper edges 4, 6 of the two partition members 2, 3, the convex portion 11 has a trapezoidal contour consisting of a horizontal, straight top edge 11a parallel to the lower edges 5, 7 and two opposite sides 11b, 11c that slope downward and fan outward, as shown in Figures 2 and 3, and the concave portion 10 has a trapezoidal contour that fits into and matches the outer peripheral contour of this convex portion 11.

[0038] The concave and convex contour shapes of the upper edges 4, 6 of the first partition member 2 and the second partition member 3 are set to complementary shapes such that, when the upper edges 4, 6 are butt-joined opposite each other, the concave portion 10 of one of the partition members 2, 3 and the convex portion 11 of the other partition member 2, 3 fit closely together, as shown in Figure 4.

[0039] This also means that, for example, when the upper edges 4, 4 of the first partition members 2, 2 and the upper edges 6, 6 of the second partition members 3, 3 are butt-joined opposite each other as shown in Figure 5, the recess 10 of one of the partition members 2, 2 and 3, 3 and the protrusion 11 of the other of the two partition members 2, 2 and 3, 3 fit closely together.

[0040] Furthermore, for example, as shown in Figure 6, when the first partition member 2 and the second partition member 3 are alternately connected in the longitudinal direction and their upper edges 4, 6 or 6, 4 are butted together and joined, the recess 10 of one of the partition members 2, 3 and the protrusion 11 of the other are tightly fitted into each other.

[0041] Therefore, in order to manufacture the first and second partition members 2, 3, ... that constitute the assembled partition device 1, when a flat base sheet is cut and formed by punching, the first partition member 2 and the second partition member 3 are cut and formed by punching the boundary line formed by the concave and convex contour shapes (concave portions 10, convex portions 11) of the upper edges 4, 6, which are set to complementary shapes as described above and which fit closely with each other arbitrarily, as a punching cutting line. Note that Thomson processing using a Thomson die is preferably used as the punching process.

[0042] Therefore, referring to Figure 1, the assembled partition device 1 constructed as described above uses two first partition members 2, 2 and three second partition members 3, 3, 3, by engaging the upper engagement slit 15 of the first partition member 2 with the lower engagement slit 16 of the second partition member 3 from above, and combining and joining the first partition members 2, 2 and the second partition members 3, 3, 3 in a perpendicular state in a lattice pattern in the vertical and horizontal directions, thereby forming partitioned spaces 22, 22, ....

[0043] The partition device 1 assembled in this manner is inserted and positioned in the target storage box 20 as shown in Figure 7, and is positioned in the storage space 20a in this state, and the storage space 20a is divided into 12 partition spaces 22, 22, ... corresponding to the shape and dimensions of the item 21 to be stored.

[0044] In addition, in each of the partition spaces 22 formed by combining and joining the first partition members 2, 2 and the second partition members 3, 3, 3 in a lattice pattern, the convex portions 11, 11, ... of both partition members 2, 3 are configured to surround on all four sides the item 21 stored in this partition space 22.

[0045] Other embodiments of the specific contour shapes of the upper edges 4, 6 of the first partition member 2 and the second partition member 3 may have the features described below.

[0046] 9 and 10, it is composed of an insertion portion 17a, an engagement portion 17b, and a removal prevention portion 17c. The insertion portion 17a is set to a tapered shape larger than the thickness of the partition members 2, 3, the engagement portion 17b is continuous with the insertion portion 17a and is set at a parallel interval of approximately the same dimension as the thickness of the partition members 2, 3, and the removal prevention portion 17c is continuous with the engagement portion 17b and is set at an interval slightly smaller than the thickness of the partition members 2, 3. The length dimensions of both the engagement slits 15, 16 are set so that their lower end edges 5, 7 are on the same plane when the first partition member 2 and the second partition member 3 are assembled and joined.

[0047] As a result, when the lower engagement slit 16 is engaged with the upper engagement slit 15 from above in an interlocking manner, the two engagement slits 15, 16 are first smoothly inserted into each other by the insertion portions 17a, 17a, then guided in a straight line by the engagement portion 17b, and finally engaged in an interlocking manner by the retaining portion 17c. In this engaged state, the retaining portions 17c, 17c of the two engagement slits 15, 16 cooperate with each other to provide a stronger retaining effect than the engagement portions 17b, and the entire engaged state of the two engagement slits 15, 16 is secured, whereby the combined and joined state of the two partition members 2, 3 is stably secured and maintained.

[0048] 8, the first partition member 2 is provided with an upper engagement slit 15 extending vertically downward in a straight line at the center of the bottom of the recess 10 on the upper edge 4, and the second partition member 3 is provided with a lower engagement slit 16 extending vertically upward in a straight line at a position corresponding to the upper engagement slit 15 on the lower edge 7. As a result, the first partition member 2 and the second partition member 3 are assembled and joined by engaging the upper engagement slit 15 of the first partition member 2 with the lower engagement slit 16 of the second partition member 3 from above.

[0049] As described above in detail, according to the group partitioning device 1 of this embodiment, the following unique effects can be obtained.

[0050] (a) The first partition member 2 and the second partition member 3 formed from a flat base sheet have upper edges 4, 6 each having an uneven contour shape consisting of alternating successive recesses 10 and protrusions 11, and when the upper edges 4, 6 of these partition members 2, 3 are butt-joined opposite each other, the recesses 10 of one of the partition members 2, 3 and the protrusions 11 of the other are set to complementary shapes that fit closely together.

[0051] Therefore, when cutting the first partition member 2 and the second partition member 3 from the base sheet, the cutting arrangement of these partition members 2, 3, ... on the base sheet is arranged so that the recesses 10 and protrusions 11 of the uneven contour shape of the upper edges 4, 6 have complementary shapes as described above, for example as shown in the above example (see Figures 4 to 6), so that the base sheet is used in a state in which adjacent first partition members 2, 2, second partition members 3, 3, or first partition members 2 and second partition members 3 intersect with each other by the height of the recesses 10 and protrusions 11 of the uneven contour shape.

[0052] As a result, the amount of base sheet used in cutting and forming the partition members 2 and 3 in this embodiment can be reduced by the height dimensions of the above-mentioned recesses 10 and protrusions 11, compared to when the first partition member 2 and the second partition member 3 are generally rectangular as in the conventional case and have a straight-line contour shape whose upper edges extend in a straight line, which contributes to resource conservation and reduces manufacturing costs.

[0053] (b) The first partition member 2 and the second partition member 3 have an uneven contour shape consisting of alternating successive recesses 10 and protrusions 11 at their upper edges 4, 6, and one of the first partition member 2 and the second partition member 3 has an upper engagement slit 15 extending downwardly at the center of the bottom of the recess 10 of the upper edges 4, 6, while the other has a lower engagement slit 16 extending upwardly at a position corresponding to the upper engagement slit 15 of the lower edges 5, 7. The first partition member 2 and the second partition member 3 are combined and joined in a lattice pattern while the lower engagement slit 16 is engaged with the upper engagement slit 15 from above, thereby forming the partition space 22. Therefore, although the amount of base sheet used in cutting and forming the partition members 2, 3 in (a) is reduced compared to the conventional case, the maximum height of the partition members 2, 3 is the height of the protrusion 11, which is the same as that of a conventional approximately rectangular partition member.

[0054] Therefore, in each of the partitioned spaces 22, 22, ... within the storage box 20 formed by the lattice-like combination and connection of the first partition member 2 and the second partition member 3, the convex portions 11 of both partition members 2, 3 position and hold the items 21 stored in the partitioned space 22 to the same height as conventional partition members, and the usable strength of the partition members 2, 3 is ensured to be the same as that of conventional partition members without being reduced compared to the conventional ones.

[0055] (c) Furthermore, as described above in (b), in each of the partition spaces 22, the convex portions 11 of the partition members 2, 3 are positioned and held at the same height relative to the stored article 21 as in the conventional partition members, and accordingly the concave portions 10 between these convex portions 11, 11 function as a space for fingers to access the article 21 when it is to be removed, making it easy to handle the article 21.

[0056] It should be noted that the above-described embodiments are merely preferred embodiments of the present invention, and the present invention is not limited to these embodiments. Various design changes are possible within the scope of the present invention. For example, modifications such as those described below are possible.

[0057] (1) The specific structures of the first partition member 2 and the second partition member 3 are not limited to the illustrated embodiment. For example, the specific shape and dimensions of the uneven contour shape of the upper edges 4, 6 are appropriately set and changed in accordance with changes in the length dimensions L2, L3 and height dimensions H2, H3 of the partition members 2, 3 corresponding to the shape and dimensions of the storage box 20.

[0058] (2) In addition, in the illustrated embodiment, an upper engagement slit 5 is provided in the first partition member 2 and a lower engagement slit 16 is provided in the second partition member 3, but the arrangement structure of both engagement slits 15, 16 may be reversed to that of the illustrated embodiment. [Explanation of symbols]

[0059] 1 pair of partition devices 2 First partition member 3 Second partition member 4 Upper edge of first partition member 5 Lower edge of first partition member 6 Upper edge of second partition member 7 Lower edge of second partition member 10. Recess on upper edge of partition member 11 Convex portion of upper edge of partition member 15 Upper engagement slit 16 Lower engagement slit 20 Storage Box 20a Storage space 21 Goods 22 Divided Space

Claims

1. When storing a plurality of items in a storage box, the storage space in the storage box is divided into compartments corresponding to the shapes and dimensions of the items to be stored, A first partition member and a second partition member formed from a flat base sheet are assembled and joined together in an upright state, the first partition member and the second partition member each have an upper edge having a concave-convex contour shape composed of alternating continuous concave and convex portions, and a lower edge having a linear contour shape extending linearly in a horizontal direction; One of the first partition member and the second partition member has an upper engagement slit extending downward at a center position of a bottom of the recess of the upper end edge, and the other has a lower engagement slit extending upward at a position corresponding to the upper engagement slit of the lower end edge, The first partition member and the second partition member are combined and joined in a lattice shape while the lower engagement slit is engaged with the upper engagement slit from above, thereby forming the partitioned space; The concave and convex contour shapes of the upper edges of the first and second partition members are set to complementary shapes such that, when these upper edges are butt-jointed facing each other, the concave portion of one of the partition members and the convex portion of the other partition member fit closely together. A group partitioning device characterized by the above.

2. The arrangement pitch of the upper and lower engagement slits is set in accordance with the shape and dimensions of the articles to be stored, In each of the partition spaces formed by combining and joining the first partition member and the second partition member in a lattice pattern, the protruding portions of both partition members are configured to surround the four sides of the periphery of the article stored in the partition space.

2. The group separation device according to claim 1.

3. In the concave-convex contour shape of the upper end edges of both the partition members, the convex portion has a trapezoidal contour consisting of a horizontal linear top side parallel to the lower end edge and two opposite sides that are inclined downwardly and divergently toward the end, and the concave portion has a trapezoidal contour that matches this convex portion.

2. The group separation device according to claim 1.

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