A packaging box

Abstract

This utility model discloses a packaging box, including a box body, which includes a bottom plate and a plurality of side plates arranged around the bottom plate. At least one side plate has at least one limiting portion on its inner side, forming a clearance space between the limiting portion and the rest of the inner side of the side plate where it is located. The limiting portion supports the side of a product placed inside the box, and the clearance space corresponds to a specific part of the product, maintaining a distance between that specific part and the inner side of the side plate where the limiting portion is located. This utility model, by integrating the limiting portion into the box body to replace external cushioning components such as independently set foam cushioning blocks or air bags in traditional packaging, not only achieves protective performance comparable to existing cushioning solutions but also eliminates the separate connection between the cushioning components and the packaging box body through structural integration design, significantly reducing manufacturing complexity and overall packaging costs.

Description

Technical Field

[0001] This utility model relates to the field of packaging technology, and in particular to a packaging box. Background Technology

[0002] As a crucial carrier of product packaging, the packaging box primarily achieves convenient carrying and physical protection of items through its structural design. Traditional packaging structures typically consist of a base plate and multiple side plates surrounding it. After the product is placed inside the box, existing technologies generally use cushioning materials such as foam blocks or air bags to effectively protect critical side areas. This cushioning structure forms a buffer layer between the inner side of the side plates and the outer side of the product, keeping important parts of the product suspended and effectively absorbing external impact forces. However, traditional cushioning solutions have significant limitations: the cushioning structure and the box body are designed as separate units, leading to increased complexity in the manufacturing process and higher overall packaging costs. Utility Model Content

[0003] This utility model addresses the technical problems existing in the prior art by providing a packaging box that effectively replaces external cushioning components such as foam buffer blocks or air bags that are independently set in traditional packaging by integrating a limiting part inside the box. It achieves protective performance comparable to existing cushioning solutions, replaces external cushioning structures such as foam, and helps reduce packaging costs.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a packaging box, including a box body, the box body including a bottom plate and a plurality of side plates arranged around the bottom plate; at least one side plate has at least one limiting part on its inner side, the limiting part and the rest of the inner side of the side plate where it is located forming a clearance space, the limiting part is used to support the side of the product placed in the box body, the clearance space is set corresponding to a specific part of the product, so that the specific part maintains a distance from the inner side of the side plate where the limiting part is located.

[0005] In a preferred embodiment, the limiting part and the box body are made of the same material, cardboard; the limiting part and the side plate on which it is located are integrally formed, and the plurality of side plates are integrally formed with the bottom plate.

[0006] In a preferred embodiment, the limiting part has a hollow structure, which includes a top wall and a bottom wall arranged opposite each other, and two side walls disposed between the top wall and the bottom wall and arranged opposite each other in the thickness direction of the side plate.

[0007] In a preferred embodiment, the side plate where the limiting part is located is formed by folding a first cardboard connected to the corresponding end of the bottom plate, and the limiting part is formed by folding a second cardboard, one end of which is connected to the first cardboard.

[0008] In a preferred embodiment, the side plate where the limiting part is located has a double-layer wall, including an inner wall and an outer wall. The bottom end of the outer wall is connected to the corresponding end of the bottom plate, the top end of the outer wall is connected to the top end of the inner wall, and the bottom end of the inner wall is connected to one end of the second cardboard.

[0009] In a preferred embodiment, the second cardboard is folded to form the top wall, bottom wall, and two side walls that are opposite each other in the thickness direction of the side plate, and the bottom end of the side wall adjacent to the outer wall corresponds to the other end of the second cardboard; the bottom end of the inner wall extends with an insert, which is inserted downward into the corresponding insertion hole on the edge of the bottom plate.

[0010] In a preferred embodiment, there are four side plates, including a left side plate and a right side plate disposed at the left and right ends of the base plate, and a front side plate and a rear side plate disposed at the front and rear ends of the base plate; at least one of the limiting portions is provided on the inner side surface of the left side plate and / or the inner side surface of the right side plate.

[0011] In a preferred embodiment, the front side panel is formed by folding a third cardboard connected to the front end of the bottom panel upwards. The left and right ends of the front side panel are respectively provided with first inserts. The left side panel and the right side panel are respectively provided with double-layer walls. Each first insert is folded backwards and inserted between the double-layer walls on the corresponding side.

[0012] In a preferred embodiment, the rear side panel is formed by folding a fourth cardboard connected to the rear end of the bottom panel upwards. The left and right ends of the rear side panel are respectively provided with second inserts. The left side panel and the right side panel are respectively provided with double-layer walls. Each second insert is folded forward and inserted between the double-layer walls on the corresponding side.

[0013] In a preferred embodiment, the left and right side panels each have double-layered walls; it also includes a cover that matches the box body, the cover being folded from a fifth cardboard connected to the top of the rear side panel, the cover including an upper cover and a side cover, the top of the side cover being connected to the front end of the upper cover, and the left and right ends of the side cover each having a third insert plate, when the cover is closed, the side cover fits on the outside of the front side panel, and the third insert plates at the left and right ends of the side cover are folded backward and inserted between the double-layered walls on the corresponding sides.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. Because this utility model has at least one limiting part on the inner side of at least one side panel, and the limiting part forms a clearance space with the rest of the inner side of the side panel where it is located, and the limiting part is used to support the side of the product placed in the box, and the clearance space is set for a specific part of the product, so that the specific part maintains a distance from the inner side of the side panel where the limiting part is located, this utility model, by integrating the limiting part into the box, replaces the external cushioning components such as foam cushioning blocks or air bags that are independently set in traditional packaging. It not only achieves protective performance comparable to existing cushioning solutions, but also eliminates the separate connection between the cushioning components and the packaging box through structural integration design, which significantly reduces the complexity of production and manufacturing and the overall packaging cost.

[0016] 2. As a preferred method, the limiting part and the box body are made of the same material, cardboard, which makes this utility model abandon non-degradable foam and other materials, fundamentally realize the environmental transformation of packaging materials, and meet the sustainable development requirements of the modern packaging industry for environmentally friendly materials.

[0017] 3. The limiting part has a hollow structure, which includes a top wall and a bottom wall arranged opposite each other, and two side walls arranged between the top wall and the bottom wall and opposite each other in the thickness direction of the side plate, so that the limiting part forms a three-dimensional structure, which not only ensures the structural strength, but also has a strong buffering effect and can effectively disperse the external impact force on the product.

[0018] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments; however, the packaging box of the present invention is not limited to the embodiments. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of a utility model;

[0020] Figure 2 This is an unfolded schematic diagram of an embodiment of a utility model;

[0021] Figure 3 This is a three-dimensional structural schematic diagram of the present invention in Embodiment 2;

[0022] Figure 4 This is a schematic diagram of the unfolded form of this utility model in Embodiment 2;

[0023] Figure 5 This is a three-dimensional structural schematic diagram of the utility model in Embodiment 3;

[0024] Figure 6 This is a schematic diagram of the unfolded form of this utility model in Embodiment 3;

[0025] In the diagram, 1. Box body; 11. Bottom plate; 111. Insert hole; 12. Left side plate; 13. Right side plate; 14. Front side plate; 141. Third cardboard; 142. First insert plate; 15. Rear side plate; 151. Fourth cardboard; 152. Second insert plate; 16. First cardboard; 161. Inner wall; 162. Outer wall; 163. Insert piece; 17. Second cardboard; 2. Limiting part; 21. Top wall; 22. Bottom wall; 23 / 24. Side wall; 3. Clearance space; 4. Cover; 41. Top cover plate; 42. Side cover plate; 43. Third insert plate; 44. Handle groove; 45. Fifth cardboard. Detailed Implementation

[0026] In this utility model, the terms "first," "second," and "third," etc., are used only to distinguish similar objects, not to describe a specific order or sequence, nor should they be construed as indicating or implying relative importance. The use of terms such as "upper," "lower," "left," "right," "front," "rear," "inner," "outer," and "top / bottom" to indicate orientation or positional relationships is based on the orientation or positional relationships shown in the accompanying drawings, and is only for the convenience of describing this utility model, not to indicate or imply that the device referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the scope of protection of this utility model. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0027] Furthermore, in the description of this utility model, unless otherwise stated, "multiple" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0028] Example 1

[0029] Please see Figure 1 , Figure 2 As shown, a packaging box according to this utility model includes a box body 1, which includes a base plate 11 and a plurality of side plates arranged around the base plate 11. At least one side plate has at least one limiting part 2 on its inner side, forming a clearance space 3 between the limiting part 2 and the rest of the inner side of the side plate where it is located. The limiting part 2 supports the side of a product placed inside the box body 1, and the clearance space 3 is provided corresponding to a specific part of the product, maintaining a distance between the specific part and the inner side of the side plate where the limiting part 2 is located. The specific part of the product typically refers to an area where its side structure is relatively weak and easily damaged, or a part with structural protrusions that needs to be avoided. With the support of the limiting part 2, the specific part of the product is suspended, thereby protecting that specific part.

[0030] Preferably, the limiting part 2 and the box body 1 are made of the same material, namely recycled cardboard, and the limiting part 2 is integrally formed with the side panel on which it is located, and each side panel is integrally formed with the bottom plate 11. The box body 1 and its limiting part 2 of this utility model are both formed by folding cardboard. Specifically, the side panel on which the limiting part 2 is located is formed by folding a first cardboard 16 connected to the corresponding end of the bottom plate 11, and the limiting part 2 is formed by folding a second cardboard 17, one end of which is connected to the first cardboard 16. Specifically, one end of the second cardboard 17 is connected to the end of the first cardboard 16 that is away from the bottom plate 11 in the unfolded state.

[0031] In a preferred embodiment, the limiting part 2 has a hollow structure, including a top wall 21 and a bottom wall 22 arranged opposite to each other, and two side walls 23 and 24 arranged between the top wall 21 and the bottom wall 22 and arranged opposite to each other in the thickness direction of the side plate, and one of the side walls 24 of the limiting part 2 is tightly fitted to the inner side surface of the side plate where the limiting part 2 is located.

[0032] In this embodiment, four side panels are provided, but this is not a limitation. In other embodiments, three or more side panels are provided. The four side panels include a left side panel 12 and a right side panel 13 located at the left and right ends of the base plate 11, and a front side panel 14 and a rear side panel 15 located at the front and rear ends of the base plate 11. The inner side surface of the left side panel 12 and / or the inner side surface of the right side panel 13 are provided with at least one limiting part 2, and the inner side surface of the left side panel 12 and / or the inner side surface of the right side panel 13 are provided with one or more limiting parts 2, and there may be multiple limiting parts 2. These multiple limiting parts 2 are distributed at intervals along the length direction of the side panel, and an avoidance space 3 is formed between adjacent limiting parts 2 and the rest of the inner side surface of the side panel. In this embodiment, it is exemplified that the inner side surface of the left side panel 12 is provided with one limiting part 2 and the inner side surface of the right side panel 13 is provided with two limiting parts 2, but this is not a limitation. The rear end of the limiting part 2 on the left side panel 12 is flush with the rear end of the left side panel 12, and the front end of the limiting part 2 forms a clearance space 3 between it and the inner side surface of the left side panel 12; the inner side surface of the right side panel 13 is provided with two limiting parts 2, and a clearance space 3 is formed between the two limiting parts 2 and the rest of the inner side surface of the right side panel 13. Therefore, the first cardboard 16 used to fold and form the left side panel 12 is connected to a second cardboard 17, and the first cardboard 16 used to fold and form the right side panel 13 is connected to two second cardboards 17.

[0033] The side panels where the limiting part 2 is located (i.e., the left side panel 12 and the right side panel 13) have double-layered walls, forming a through-hole insertion space between the double-layered walls. Specifically, the side panels where the limiting part 2 is located (i.e., the left side panel 12 and the right side panel 13) include an inner wall 161 and an outer wall 162. The bottom end of the outer wall 162 is connected to the corresponding end of the bottom panel 11, and the top end of the outer wall is connected to the top end of the inner wall. Therefore, the first cardboard 16 is formed by folding to create the inner wall 161 and the outer wall 162. The bottom end of the inner wall 161 is connected to one end of the second cardboard 17, and an insert 163 extends from the bottom end of the inner wall 161. The insert 163 is inserted downward into the corresponding insertion hole 111 on the edge of the bottom panel 11, which greatly improves the stability of the double-layered walls. The second cardboard 17 is folded to form the top wall 21, bottom wall 22, and two side walls 23 and 24 that are opposite each other in the thickness direction of the side plate of the limiting part 2. The bottom end of the side wall 24 adjacent to the outer wall body 162 corresponds to the other end of the second cardboard 17. The other end of the second cardboard 17 refers to the end of the second cardboard 17 that is away from the first cardboard 16 in the unfolded state.

[0034] The front panel 14 is formed by folding upwards a third cardboard 141 connected to the front end of the base plate 11. First insert plates 142 are provided at both ends of the front panel 14. During the assembly of the box body 1, each first insert plate 142 is folded backwards and inserted between the corresponding double-layer walls. Specifically, the first insert plate 142 at the left end of the third cardboard 141 is folded backwards and inserted between the double-layer walls of the left side panel 12, and the first insert plate 142 at the right end of the third cardboard 141 is folded backwards and inserted between the double-layer walls of the right side panel 13. This design allows the front panel 14 to work closely with the left side panel 12 and the right side panel 13, forming a stable structure that provides reliable support and stability for the entire packaging box, enhancing its overall durability and load-bearing capacity.

[0035] The rear side panel 15 is formed by folding upwards a fourth cardboard 151 connected to the rear end of the base panel 11. Second inserts 152 are provided at both ends of the rear side panel 15. During the assembly of the box body 1, each second insert 152 is folded forward and inserted between the double-layered walls of the left side panel 12 and the right side panel 13. This design allows the rear side panel 15 to work closely with the left side panel 12 and the right side panel 13, forming a stable structure that provides reliable support and stability for the entire packaging box, enhancing its overall durability and load-bearing capacity.

[0036] Furthermore, this utility model also includes a cover 4 that matches the box body 1. The cover 4 is formed by folding the fifth cardboard 45 at the top of the rear side panel 15. Specifically, the cover 4 includes an upper cover plate 41 and a side cover plate 42. The top of the side cover plate 42 is connected to the front end of the upper cover plate 41, and the left and right ends of the side cover plate 42 are respectively provided with third insert plates 43. When the cover 4 is closed, the upper cover plate 41 fits directly above the bottom plate 11, the side cover plate 42 fits tightly on the outside of the front side panel 14, and the third insert plates 43 at the left and right ends of the side cover plate 42 are folded backward and precisely inserted between the double-layer walls of the left side panel 12 and the right side panel 13. This design ensures that when the lid 4 is closed, it not only fits tightly against the front side panel 14, left side panel 12, and right side panel 13 of the box 1, but also, through the embedded connection of the third insert plate 43 with the double-layered walls of the left side panel 12 and right side panel 13, further enhances the stability of the connection between the lid 4 and the box 1, thus ensuring a tight fit between the lid 4 and the box 1 when closed. To facilitate opening the lid 4, this invention also provides a handle groove 44 on the side cover plate 42 of the lid 4. This handle groove 44 is specifically located in the center of the bottom end of the side cover plate 42 and has a notch / groove structure. This notch / groove structure allows users to easily hook and lift the lid 4 with their fingers, making operation convenient and intuitive. In other embodiments, the handle groove can be designed as a closed-loop through-slot structure. This structure also facilitates user gripping and provides better structural strength and aesthetics.

[0037] In this embodiment, the base plate 11, the first cardboard 16, the second cardboard 17, the third cardboard 141 and its first insert plate 142, the fourth cardboard 151 and its second insert plate 152, and the fifth cardboard 45 and its third insert plate 43 are integrally formed, that is, they are made from the same cardboard by cutting and setting creases. This integral molding design not only reduces assembly steps and improves production efficiency, but also ensures precise fit between the various components and the stability of the overall structure.

[0038] This utility model discloses a packaging box that can be used to package electronic products, etc. By integrating a limiting part 2 inside the box body 1, it replaces the independently installed external cushioning components such as foam cushioning blocks or air bags in traditional packaging. This not only achieves protective performance comparable to existing cushioning solutions, but also eliminates the separate connection between the cushioning components and the packaging box body 1 through structural integration design, significantly reducing manufacturing complexity and overall packaging costs. In particular, the limiting part 2 and the box body 1 are made of the same material, preferably recycled cardboard, allowing this utility model to eliminate non-degradable foam and other materials, fundamentally realizing the environmental transformation of packaging materials and meeting the sustainable development requirements of the modern packaging industry for environmentally friendly materials.

[0039] Example 2

[0040] Please see Figure 3 , Figure 4As shown, the packaging box of this utility model differs from the first embodiment described above in that: the inner surfaces of the left side panel 12 and the right side panel 13 are respectively provided with multiple limiting parts 2, which are spaced apart along the length of their respective side panels. Specifically, in this embodiment, it is exemplified that the left side panel 12 and the right side panel 13 each have two limiting parts 2. A clearance space 3 is formed between the two limiting parts 2 on the same side panel and the remaining portion of the inner surface of the side panel. This design allows the utility model to avoid specific parts on the left and right sides of the product placed inside the box body 1.

[0041] In this embodiment, the left side panel 12 and the right side panel 13 are also folded from the first cardboard 16, the front side panel 14 is also folded from the third cardboard 141, the rear side panel 15 is also folded from the fourth cardboard 151, and the cover 4 is also folded from the fifth cardboard 45.

[0042] Example 3

[0043] Please see Figure 5 , Figure 6 As shown, the packaging box of this utility model differs from the first embodiment described above in that only one side panel is provided with a limiting part 2, and there are multiple limiting parts 2, which are spaced apart along the length direction of the side panel. In this embodiment, the left side panel 12 is provided with two limiting parts 2 as an example, but it is not limited to this. In the two limiting parts 2 of the left side panel 12, not only is a clearance space 3 formed between the two limiting parts 2, but there is also a gap between the front limiting part 2 and the front side panel 14, so that another clearance space 3 is also formed between the front end of the front limiting part 2 and the front area of ​​the inner side surface of the left side panel 12.

[0044] In this embodiment, the left side panel 12 and the right side panel 13 are also folded from the first cardboard 16, the front side panel 14 is also folded from the third cardboard 141, the rear side panel 15 is also folded from the fourth cardboard 151, and the cover 4 is also folded from the fifth cardboard 45.

[0045] The packaging box of this utility model is identical to or can be implemented using existing technology for the parts not covered.

[0046] The above embodiments are only used to further illustrate a packaging box of this utility model, but this utility model is not limited to the embodiments. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the protection scope of the technical solution of this utility model.

Claims

1. A packaging box, comprising a box body, the box body including a bottom plate and a plurality of side plates disposed around the bottom plate; characterized in that: At least one side panel has at least one limiting part on its inner side surface, and the limiting part forms a clearance space with the rest of the inner side surface of the side panel where it is located. The limiting part is used to support the side surface of the product installed in the box. The clearance space is set for a specific part of the product so that the specific part is kept at a distance from the inner side surface of the side panel where the limiting part is located.

2. The packaging box according to claim 1, characterized in that: The limiting part is made of the same material as the box body, which is cardboard; the limiting part and the side plate it is located on are integrally formed, and the multiple side plates are integrally formed with the bottom plate.

3. The packaging box according to claim 1, characterized in that: The limiting part has a hollow structure, which includes a top wall and a bottom wall arranged opposite each other, and two side walls arranged between the top wall and the bottom wall and arranged opposite each other in the thickness direction of the side plate.

4. The packaging box according to any one of claims 1-3, characterized in that: The side plate containing the limiting part is formed by folding a first cardboard that is connected to the corresponding end of the bottom plate, and the limiting part is formed by folding a second cardboard, one end of which is connected to the first cardboard.

5. The packaging box according to claim 4, characterized in that: The side panel where the limiting part is located has a double-layer wall, including an inner wall and an outer wall. The bottom end of the outer wall is connected to the corresponding end of the bottom plate, the top end of the outer wall is connected to the top end of the inner wall, and the bottom end of the inner wall is connected to one end of the second cardboard.

6. The packaging box according to claim 5, characterized in that: The second cardboard is folded to form the top wall, bottom wall and two side walls that are opposite each other in the thickness direction of the side plate, and the bottom end of the side wall adjacent to the outer wall corresponds to the other end of the second cardboard; the bottom end of the inner wall extends with an insert, which is inserted downward into the corresponding insertion hole on the edge of the bottom plate.

7. The packaging box according to claim 1, characterized in that: The side plates are provided in four parts, including a left side plate and a right side plate located at the left and right ends of the base plate, and a front side plate and a rear side plate located at the front and rear ends of the base plate; at least one of the limiting portions is provided on the inner side of the left side plate and / or the inner side of the right side plate.

8. The packaging box according to claim 7, characterized in that: The front panel is formed by folding a third cardboard connected to the front end of the base plate upwards. The left and right ends of the front panel are respectively provided with first inserts. The left and right panels are respectively provided with double-layer walls. Each first insert is folded backwards and inserted between the double-layer walls on the corresponding side.

9. The packaging box according to claim 7, characterized in that: The rear side panel is formed by folding a fourth cardboard connected to the rear end of the base plate upwards. The left and right ends of the rear side panel are respectively provided with second inserts. The left side panel and the right side panel are respectively provided with double-layer walls. Each second insert is folded forward and inserted between the double-layer walls on the corresponding side.

10. The packaging box according to claim 7, characterized in that: The left and right side panels each have double-layered walls; it also includes a cover that matches the box body. The cover is formed by folding a fifth cardboard connected to the top of the rear side panel. The cover includes an upper cover and a side cover. The top of the side cover is connected to the front end of the upper cover. The left and right ends of the side cover are respectively provided with third inserts. When the cover is closed, the side cover fits on the outside of the front side panel, and the third inserts at the left and right ends of the side cover are folded backward and inserted between the double-layered walls on the corresponding sides.

Images