Gift packaging box
The gift packaging box design, which combines multiple boxes and connects paper pieces, solves the problem of monotonous gift box forms, achieves diversification and durability, and enhances user experience and interactivity.
Patent Information
- Application Number
- CN202520138361.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Gift boxes have fixed shapes and monotonous styles, lacking innovation and variation, making it difficult to meet the diverse needs of different occasions and different groups of people, leading to visual fatigue.
Design a gift packaging box that combines multiple box bodies and storage boxes via adapters and connectors, allowing for rotational connection and pull-out between the box bodies, and providing a variety of form options, including using paper as connectors to reduce cost and weight.
It enhances the diversity and durability of gift packaging, meets personalized needs, improves user experience, avoids visual monotony, and enhances interactivity and fun.
Smart Images
Figure CN223703420U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of boxes, in particular to a gift packaging box. BACKGROUND
[0002] In today, the primary responsibility of the gift packaging box is to realize the basic function of packaging, the gift in the packaging box can be delicate and fragile handicraft, or delicious cakes snacks, the packaging box can protect the gift from the damage of external factors such as collision, extrusion and moisture during transportation and storage, and ensure that the gift can be presented to the recipient in an intact state.
[0003] At the same time, in the modern society where interpersonal communication is increasingly frequent and emotional expression is increasingly important, the gift packaging box is also responsible for the special mission of conveying emotional communication information between people. However, most of the gift boxes on the market are fixed in shape and single in style, often following traditional design patterns, such as simple geometric shapes like cuboids and cubes, lacking innovation and change. This single shape not only easily causes people to have aesthetic fatigue in vision, but also is difficult to meet the diversified needs of gift packaging for different occasions and different groups of people.
[0004] For the related art described above, the inventor believes that the gift box is mostly fixed in shape and single in style, lacking innovation and change, and this single shape not only easily causes people to have aesthetic fatigue in vision, but also is difficult to meet the diversified needs of gift packaging for different occasions and different groups of people. CONTENT OF THE INVENTION
[0005] In order to improve the problem that the gift box is mostly fixed in shape and single in style, lacking innovation and change, and this single shape not only easily causes people to have aesthetic fatigue in vision, but also is difficult to meet the diversified needs of gift packaging for different occasions and different groups of people, the present application provides a gift packaging box.
[0006] The present application provides a gift packaging box, which adopts the following technical scheme:
[0007] A gift packaging box, comprising a first box body, a second box body, a third box body and a fourth box body are sequentially arranged on one side of the first box body, a fifth box body is arranged below the first box body, a sixth box body, a seventh box body and an eighth box body are sequentially arranged on one side of the fifth box body, the second box body is located above the sixth box body, the third box body is located above the seventh box body, and the fourth box body is located above the eighth box body.
[0008] One side of the first box, the second box, the third box, the fourth box, the fifth box, the sixth box, the seventh box and the eighth box is provided with a storage box through pulling, the first box and the second box, the third box and the fourth box, the fifth box and the sixth box, the seventh box and the eighth box are rotatably connected through an adapter between the two boxes on the side close to the pulling end of the storage box, the first box and the fifth box, the fourth box and the eighth box are rotatably connected through a first connecting piece on the side away from the pulling end of the storage box, the bottom of the first box and the top of the fifth box, the bottom of the second box and the top of the sixth box, the bottom of the fourth box and the top of the eighth box are provided with a second connecting piece, and the top of the second box and the top of the third box, the bottom of the sixth box and the bottom of the seventh box are provided with a third connecting piece.
[0009] By adopting the above technical scheme, the first box, the second box, the third box, the fourth box, the fifth box, the sixth box, the seventh box and the eighth box jointly form a gift packaging box, the storage box can be used to store some smaller gifts, and the adapter, the first connecting piece, the second connecting piece and the third connecting piece ensure the structural stability of the packaging box in different forms, effectively protect the gifts in the packaging box from being damaged during transportation, storage and display, and ensure the durability and diversity of the packaging box itself, break through the fixed form of the traditional gift box, and the user can adjust the packaging box into different forms through rotation, opening and closing and the like according to the own creativity and needs, meet the individualized needs of different occasions and different groups of people, effectively avoid visual monotony and aesthetic fatigue, enhance the interactivity with the gift packaging box, and make the gift receiver feel more fun and surprise in the process of opening and using the packaging box.
[0010] Optionally, on the first box and the second box, one end of the adapter is fixedly installed in the first box, and the other end is fixedly installed on the second box across the joint edge of the first box and the second box, so that the first box and the second box are rotatably connected through the joint edge.
[0011] By adopting the above technical scheme, the first box and the second box can rotate relative to the joint edge, the two boxes can dynamically change, break through the limitation of the traditional fixed connection mode, break the single mode of the traditional gift box fixed structure, make the packaging box have more changes in appearance form, and meet the needs of different users for individualized packaging.
[0012] Optionally, the first connecting piece, the second connecting piece and the third connecting piece are all paper sheets.
[0013] By adopting the above technical scheme, the paper sheet is used as the connecting piece, the cost is lower compared to other materials, and the weight of the whole packaging box is reduced, facilitating carrying and transportation.
[0014] Optionally, in the bottom of the first box body and the top of the fifth box body, the paper sheet is adhered to the bottom of the first box body and the top of the fifth box body.
[0015] By adopting the above technical scheme, the paper sheet is used as the connecting piece, the cost is lower compared to other materials, and the weight of the whole packaging box is reduced, facilitating carrying and transportation.
[0016] Optionally, the first box body is provided with a storage groove, the storage box is placed in the storage groove by pulling, and the storage box is provided with a pulling piece on one side close to the pulling end of the first box body.
[0017] By adopting the above technical scheme, the storage groove provides a precise placement space for the storage box, the storage box is used for storing various small gifts or articles, the classification storage of the articles is realized, and the pulling piece provides a force point for the user, facilitating the user to grasp.
[0018] Optionally, the first box body is provided with a limiting rope, and the other end of the limiting rope is connected to the side of the storage box away from the pulling piece.
[0019] By adopting the above technical scheme, the limiting rope can effectively limit the pulling stroke of the storage box, prevent the storage box from being pulled out too much to separate from the storage groove, and avoid the articles from falling.
[0020] Optionally, the side of the storage box away from the pulling piece is provided with a through hole, the limiting rope passes through the through hole and is connected to a limiting piece, and the limiting piece is located in the storage box.
[0021] By adopting the above technical scheme, the through hole provides an accurate through position for the limiting rope, and the limiting piece can prevent the limiting rope from being pulled out of the through hole, thereby ensuring the connection stability of the limiting rope and the storage box.
[0022] Optionally, the length of the limiting rope is less than the pulling depth inside the first box body.
[0023] By adopting the above technical scheme, since the length of the limiting rope is less than the pulling depth inside the first box body, the pulling stroke of the storage box can be strictly limited.
[0024] Optionally, the first box body, the second box body, the third box body, the fourth box body, the fifth box body, the sixth box body, the seventh box body and the eighth box body are all square box bodies.
[0025] By adopting the technical scheme, the edges of the square are easy to align and connect, and the connection and combination are facilitated through the adapter, the first connecting piece, the second connecting piece and the third connecting piece, and the structure of the whole gift packaging box is more flexible and changeable, and the eight square box bodies can be combined into different shapes and styles according to different needs and ideas, so that the diversified packaging needs are met.
[0026] In summary, the present application includes at least one of the following beneficial technical effects:
[0027] 1. The gift packaging box combines the plurality of box bodies, the storage box and various connecting pieces organically together, the plurality of storage boxes can store various gifts and small items in a classified manner, the gift packaging is more orderly and exquisite, the overall quality of the gift is improved, the adapter, the first connecting piece, the second connecting piece and the third connecting piece can ensure the structural stability of the packaging box in different forms, can effectively protect the gift in the box from being damaged during transportation, storage and display, and also ensures the durability and diversity of the packaging box itself, breaks through the fixed form of the traditional gift box, and the user can adjust the packaging box into a plurality of different forms through rotation, opening and closing and the like according to own ideas and needs, meets the individualized needs of different occasions and different groups of people, effectively avoids visual monotony and aesthetic fatigue, enhances the interactivity with the gift packaging box, and makes the gift receiver feel more fun and surprise in the process of opening and using the packaging box;
[0028] 2. The running direction of the limiting rope is guided through the through holes arranged on the storage box, the limiting rope is connected with the limiting piece from the specific position of the storage box, the layout of the limiting rope in the whole structure is reasonable, the normal pulling operation of the storage box is not hindered, the limiting piece is used for preventing the limiting rope from being pulled out of the through hole, the connection stability of the limiting rope and the storage box is ensured, and the limiting effect of the limiting rope on the storage box is continuously exerted. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 is a structural schematic view of the gift packaging box of the embodiment of the present application;
[0030] Figure 2 is Figure 1 is an enlarged view of part A in
[0031] Figure 3 is a structural schematic view of another form of the gift packaging box of the embodiment of the present application
[0032] Figure 4 is a sectional view of the first box body and the storage box in the gift packaging box of the embodiment of the present application.
[0033] MARKS:
[0034] 1, first box body; 11, adapter; 111, interface edge; 12, first connecting piece; 13, second connecting piece; 14, storage box; 141, puller; 15, limiting rope; 16, limiting piece; 2, second box body; 21, third connecting piece; 3, third box body; 4, fourth box body; 5, fifth box body; 6, sixth box body; 7, seventh box body; 8, eighth box body. DETAILED DESCRIPTION
[0035] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.
[0036] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0037] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.
[0038] The following will be described in detail in combination with the drawings Figures 1-4 The application will be further described in detail.
[0039] The embodiment of the application discloses a gift packaging box, which refers to Figure 1 , Figure 2 and Figure 3, the gift packaging box comprises a first box body 1, one side of the first box body 1 is sequentially provided with a second box body 2, a third box body 3 and a fourth box body 4, a fifth box body 5 is arranged below the first box body 1, one side of the fifth box body 5 is sequentially provided with a sixth box body 6, a seventh box body 7 and an eighth box body 8, the second box body 2 is located above the sixth box body 6, the third box body 3 is located above the seventh box body 7, and the fourth box body 4 is located above the eighth box body 8;
[0040] One side of the first box body 1, the second box body 2, the third box body 3, the fourth box body 4, the fifth box body 5, the sixth box body 6, the seventh box body 7 and the eighth box body 8 is provided with a storage box 14 which can be pulled out, the first box body 1 and the second box body 2, the third box body 3 and the fourth box body 4, the fifth box body 5 and the sixth box body 6, the seventh box body 7 and the eighth box body 8 are rotationally connected between the two box bodies on one side of the pulling end of the storage box 14 through an adapter 11, the first box body 1 and the fifth box body 5, the fourth box body 4 and the eighth box body 8 are rotationally connected between the two box bodies on one side away from the pulling end of the storage box 14 through a first connecting piece 12, the bottom of the first box body 1 and the top of the fifth box body 5, the bottom of the second box body 2 and the top of the sixth box body 6, the bottom of the fourth box body 4 and the top of the eighth box body 8 are rotationally connected through a second connecting piece 13, and the top of the second box body 2 and the top of the third box body 3, the bottom of the sixth box body 6 and the bottom of the seventh box body 7 are rotationally connected through a third connecting piece 21.
[0041] The gift packaging box is composed of the first box body 1, the second box body 2, the third box body 3, the fourth box body 4, the fifth box body 5, the sixth box body 6, the seventh box body 7 and the eighth box body 8, and through a specific arrangement and connection mode, a three-dimensional shape with multiple storage spaces is formed, the multi-box body design breaks the single form of the traditional gift box, increases the level and three-dimensionality of the packaging box, makes the appearance more unique and attractive, effectively avoids visual fatigue and meets the diversified needs of people for gift packaging.
[0042] The storage box 14 which can be pulled out is arranged on one side of each box body, further enriches the storage function of the packaging box, can be used to store some smaller gifts such as jewelry, candies, cards and scented candles, fully utilizes the space inside the box body, improves the practicability of the packaging box, and the pull-out design makes it very convenient to take the goods in the storage box 14, so that the gift receiver can see the gift by pulling out the storage box 14, and the design enhances the user experience.
[0043] The adapter 11 enables the box bodies to be relatively rotated, increases the flexibility and variability of the packaging box, and users can adjust the position of the packaging box according to needs, create different display effects, and make the gift packaging box more interesting and interactive.
[0044] The first connecting piece 12 is used for rotationally connecting the corresponding two groups of box bodies, facilitating the overall opening and closing of the packaging box. At the same time, it is also convenient to place and take out the gifts in the storage box 14; the second connecting piece 13 plays a connecting and fixing role, ensuring that these box bodies can be stably combined together at a specific position, enhancing the overall structural stability of the packaging box, preventing the corresponding box bodies from loosening or mispositioning during transportation and use, thereby better protecting the gifts in the box; the third connecting piece 21 is used to connect adjacent box bodies, keeping their relative positions stable in the combined state, which helps to maintain the overall shape and structural integrity of the packaging box, and also provides convenience for the combination and disassembly of the box bodies.
[0045] The gift packaging box combines multiple box bodies, storage boxes 14 and various connecting pieces organically through ingenious structural design. Multiple storage boxes 14 can store various gifts and small items in a classified manner, making the gift packaging more orderly and delicate, and improving the overall quality of the gifts. The settings of the adapter 11, the first connecting piece 12, the second connecting piece 13 and the third connecting piece 21 ensure the structural stability of the packaging box in different forms, effectively protecting the gifts in the box from damage during transportation, storage and display, while also ensuring the durability and diversity of the packaging box itself. It breaks through the fixed form of traditional gift boxes, and users can adjust the packaging box into multiple different forms through rotation, opening and closing, etc. according to their own creativity and needs, meeting the individual needs of different occasions and different groups of people, effectively avoiding visual monotony and aesthetic fatigue, enhancing the interactivity with the gift packaging box, and allowing the gift recipient to experience more fun and surprises during the process of opening and using the packaging box.
[0046] On the first box body 1 and the second box body 2, the adapter 11 is fixedly installed at one end in the first box body 1 and fixedly installed at the other end on the second box body 2 across the joint edge 111 of the first box body 1 and the second box body 2, so that the first box body 1 and the second box body 2 are rotationally connected through the joint edge 111. The one end of the adapter 11 is fixedly installed in the first box body 1, ensuring that the adapter 11 is closely connected with the first box body 1 and providing a stable basis for subsequent rotational connection; the other end is fixedly installed on the second box body 2 across the joint edge 111 of the first box body 1 and the second box body 2, thereby establishing a rotational connection relationship between the two box bodies.
[0047] The first box 1 and the second box 2 can rotate relative to each other around the connecting edge 111. The dynamic changes of the two boxes break through the limitations of the traditional fixed connection method. When opening or closing, the angle can be flexibly adjusted. During operation, the user can freely control the opening and closing state of the boxes, which increases the fun and convenience of operation, improves the overall user experience of using gift packaging boxes, breaks the single mode of the traditional fixed structure of gift boxes, and makes the packaging boxes more varied in appearance, meeting the needs of different users for personalized packaging and enhancing the uniqueness and attractiveness of gifts.
[0048] The same applies between the third box 3 and the fourth box 4, the fifth box 5 and the sixth box 6, and the seventh box 7 and the eighth box 8.
[0049] The first connector 12, the second connector 13, and the third connector 21 are all made of paper. Using paper as connectors is less expensive than using other materials, and it also reduces the weight of the entire packaging box, making it easier to carry and transport.
[0050] In the bottom of the first box 1 and the top of the fifth box 5, paper sheets are glued to the bottom of the first box 1 and the top of the fifth box 5. The paper sheets serve as a medium connecting the bottom of the first box 1 and the top of the fifth box 5. With the physical properties of the paper sheets themselves, the two boxes are firmly connected to form an integral structure, ensuring that the two will not easily separate during use and transportation.
[0051] The paper pieces are firmly glued to the bottom of the first box 1 and the top of the fifth box 5, greatly enhancing the adhesion between the paper pieces and the box bodies, ensuring the stability of the connection, and maximizing the effectiveness of the paper pieces during the connection process. The lightweight paper material effectively reduces the weight of the entire gift packaging box, while its low cost reduces packaging production costs and improves product cost-effectiveness. Furthermore, it is also applicable between the fourth box 4 and the eighth box 8.
[0052] refer to Figure 1 and Figure 4 The first box 1 has a storage slot, and the storage box 14 is placed in the storage slot by pulling it out. The side of the storage box 14 closest to the pull-out end of the first box 1 has a pull-out component 141. The same configuration of the storage box 14 also applies to the second box 2, third box 3, fourth box 4, fifth box 5, sixth box 6, seventh box 7, and eighth box 8. The storage slot provides precise placement space for the storage box 14, allowing it to be stably stored in the first box 1 when not in use. This serves a storage and positioning function, ensuring that the storage box 14 does not move around freely within the first box 1, thus maintaining the overall stability of the gift packaging box.
[0053] The storage box 14 is used for storing various small gifts or articles, realizes classified storage of the articles, avoids mutual collision and extrusion of the articles in the box body, protects the integrity of the articles, and is placed in the storage groove through the pulling mode, so that the user can conveniently pull out or push back the storage box 14, and the operation is simple and convenient, and it is very easy to place or take the articles, and the convenience of use is greatly improved.
[0054] The pulling piece 141 provides a force point for the user, facilitates the user to hold, and thus more easily pulls out the storage box 14, and especially for some smaller or smooth-surfaced storage boxes 14, the pulling piece 141 can significantly improve the convenience of operation.
[0055] Reference Figure 4 The first box body 1 is provided with a limiting rope 15, one end of the limiting rope 15 is connected to the side of the storage box 14 away from the pulling piece 141, and the limiting rope 15 can effectively limit the pulling stroke of the storage box 14, prevent the storage box 14 from being excessively pulled out and separated from the storage groove, avoid the articles from falling, and ensure the safety during use.
[0056] The side of the storage box 14 away from the pulling piece 141 is provided with a penetrating hole, the limiting rope 15 penetrates through the penetrating hole and is connected to a limiting piece 16, the limiting piece 16 is located in the storage box 14, the penetrating hole provides an accurate penetrating position for the limiting rope 15, ensures that the connection between the limiting rope 15 and the storage box 14 is stable and the position is fixed, so that the limiting rope 15 can play a limiting role on the storage box 14 at the correct position. At the same time, the penetrating hole guides the direction of the limiting rope 15, so that the limiting rope 15 penetrates out of the specific position of the storage box 14 and is connected to the limiting piece 16, ensures that the limiting rope 15 is reasonably arranged in the whole structure, and does not hinder the normal pulling operation of the storage box 14. The limiting piece 16 can prevent the limiting rope 15 from being pulled out of the penetrating hole, ensures the stability of the connection between the limiting rope 15 and the storage box 14, and thus continuously plays a limiting role on the storage box 14.
[0057] The length of the limiting rope 15 is less than the pulling depth inside the first box body 1, because the length is less than the pulling depth inside the first box body 1, the pulling stroke of the storage box 14 can be strictly limited. When the storage box 14 is pulled to a certain extent, the limiting rope 15 is straightened, the storage box 14 is prevented from continuing to be pulled out, the storage box 14 is prevented from being separated from the storage groove, the articles are prevented from falling, and the safety during use is ensured.
[0058] The first box body 1, the second box body 2, the third box body 3, the fourth box body 4, the fifth box body 5, the sixth box body 6, the seventh box body 7 and the eighth box body 8 are all square box bodies, the internal space of the square box body is regular, which is convenient for placing and arranging articles, can fully utilize the space, and reduces the waste of space. For different shapes and sizes of gifts, they can be placed in the corresponding square box body through reasonable planning, and the storage efficiency of the gift packaging box is improved. The edges of the square are easy to align and connect, and are convenient for connection and combination through the adapter 11, the first connecting piece 12, the second connecting piece 13 and the third connecting piece 21. The convenient combination mode makes the structure of the whole gift packaging box more flexible and changeable, and eight square box bodies can be combined into different shapes and styles according to different needs and creativity, so as to meet the diversified packaging needs.
[0059] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. A gift packaging box, characterized by: The utility model provides a kind of multi-layered box, including first box (1), the side of the first box (1) is sequentially provided with second box (2), third box (3) and fourth box (4), the lower side of the first box (1) is provided with fifth box (5), the side of the fifth box (5) is sequentially provided with sixth box (6), seventh box (7) and eighth box (8), the second box (2) is located above the sixth box (6), the third box (3) is located above the seventh box (7), the fourth box (4) is located above the eighth box (8); One side of the first box (1), the second box (2), the third box (3), the fourth box (4), the fifth box (5), the sixth box (6), the seventh box (7) and the eighth box (8) is provided with a storage box (14) by pulling, the first box (1) and the second box (2), the third box (3) and the fourth box (4), the fifth box (5) and the sixth box (6), the seventh box (7) and the eighth box (8) are rotatably connected by an adapter (11) between the two boxes on one side of the pulling end of the storage box (14), the first box (1) and the fifth box (5), the fourth box (4) and the eighth box (8) are rotatably connected by a first connecting piece (12) on one side away from the pulling end of the storage box (14), the bottom of the first box (1) and the top of the fifth box (5), the bottom of the second box (2) and the top of the sixth box (6), the bottom of the fourth box (4) and the top of the eighth box (8) are provided with a second connecting piece (13), the top of the second box (2) and the top of the third box (3), the bottom of the sixth box (6) and the bottom of the seventh box (7) are provided with a third connecting piece (21).
2. The gift packaging box according to claim 1, wherein: On the first box (1) and the second box (2), one end of the adapter (11) is fixedly installed in the first box (1), the other end is fixed on the second box (2) across the joint edge (111) of the first box (1) and the second box (2), so that the first box (1) and the second box (2) are rotatably connected through the joint edge (111).
3. The gift packaging box of claim 1, wherein: The first connecting piece (12), the second connecting piece (13) and the third connecting piece (21) are all paper sheets.
4. The gift packaging box according to claim 3, wherein: In the bottom of the first box (1) and the top of the fifth box (5), the paper sheet is glued to the bottom of the first box (1) and the top of the fifth box (5).
5. The gift packaging box according to claim 1, wherein: The first box (1) is provided with a storage slot, the storage box (14) is pulled into the storage slot, and one side of the storage box (14) close to the pulling end of the first box (1) is provided with a pulling piece (141).
6. The gift packaging box according to claim 5, wherein: The first box (1) is provided with a limiting rope (15), and the other end of the limiting rope (15) is connected to one side of the storage box (14) away from the pulling piece (141).
7. The gift packaging box according to claim 6, wherein: The one side of the storage box (14) away from the drawer (141) is provided with a through hole, the limiting rope (15) passes through the through hole and is connected with a limiting piece (16), and the limiting piece (16) is located in the storage box (14).
8. The gift packaging box according to claim 6, wherein: The length of the limiting rope (15) is less than the pulling depth inside the first box body (1).
9. The gift packaging box of claim 1, wherein: The first box body (1), the second box body (2), the third box body (3), the fourth box body (4), the fifth box body (5), the sixth box body (6), the seventh box body (7) and the eighth box body (8) are all square box bodies.