A combination carton

Abstract

The utility model relates to a combined carton, it includes bottom support, box and lid, the bottom support is constituted by bottom plate and lower enclosure, the bottom plate is rectangle, the lower enclosure is along the upper surface edge distribution of bottom plate, the inside of bottom plate is equipped with the net -like reinforcing rib structure of horizontal distribution, the box is constituted by four side plates connected in proper order, four outer edges of box all are pasted with the reinforcing column of '' L '' type, the bottom of box and the upper surface of bottom support butt -joint, the lower enclosure and the outside wall part of box are pasted. The utility model discloses through the design of split structure, so that the bottom support can pass through thickening and inside setting net -like reinforcing rib structure to strengthen its deformation resistance and improve the carrying capacity, the utility model discloses still through pasting the reinforcing column in four outer edges of box, play the effect of wrapping corresponding part, improve the anti -collision effect of box edge position.

Description

Technical Field

[0001] This utility model relates to a cardboard box, and more particularly to a modular cardboard box. Background Technology

[0002] Cardboard boxes, as a common form of packaging, have a wide range of applications and offer multiple advantages. Their core applications include: logistics and transportation packaging, using corrugated cardboard structures and U-shaped or V-shaped corrugations to enhance compressive strength, effectively dispersing external forces and protecting fragile items from crushing or bending damage during transport; and retail packaging, where printed brand logos or promotional images combine product protection with advertising, enhancing brand recognition. Compared to other packaging forms, cardboard boxes offer key advantages such as low cost, environmental friendliness and recyclability, multi-functionality, and protective capabilities.

[0003] However, existing cardboard boxes are easily bumped and squeezed during handling and transportation, causing deformation of the box's structure. Once the box deforms, causing the internal corrugated structure to be squeezed and collapse, the structural strength of the corresponding area will permanently and significantly deteriorate. This is the fundamental reason why the structural strength of cardboard boxes decreases with use. At the same time, existing cardboard boxes have poor compression resistance, generally relying on their internal lining structure (such as wooden frames, foam profiles, etc.) for load-bearing. Furthermore, the bottom structure of existing cardboard boxes has poor strength. If there are heavy objects inside the box without padding, the load distribution will be uneven, causing localized stress concentration, leading to significant deformation or even cracking of the bottom of the box. Summary of the Invention

[0004] This utility model provides a modular cardboard box, which solves the problems of cardboard boxes being prone to local deformation during use, having poor pressure resistance, and having poor deformation resistance at the bottom of the box in the prior art.

[0005] The above-mentioned technical problems of this utility model are mainly solved by the following technical solution: a combined cardboard box, including a base, a box body and a lid; the base is composed of a bottom plate and a lower baffle, the bottom plate is rectangular, the lower baffle is distributed along the upper surface edge of the bottom plate, and the interior of the bottom plate is provided with a horizontally distributed mesh reinforcing rib structure; the box body is composed of four side plates connected end to end, and each of the four outer edges of the box body is fitted with an "L"-shaped reinforcing post, the bottom of the box body is connected to the upper surface of the base, and the lower baffle is partially fitted to the outer side wall of the box body.

[0006] The base and the box body in this invention are separate structures, fixed together with adhesive, providing good connection strength. The separate structure design allows the base to be thickened and equipped with an internal mesh reinforcement structure to enhance its resistance to deformation and improve its load-bearing capacity. Furthermore, this invention improves the impact resistance of the box body edges by attaching reinforcing posts to the four outer edges, effectively wrapping around the corresponding areas. The reinforcing posts in this invention are made of pressed pulp, and the mesh reinforcement structure is also made of paper.

[0007] Furthermore, the base plate is made of an upper cardboard, a mesh reinforcing rib structure and a lower cardboard bonded together, wherein the mesh reinforcing rib structure is composed of several transversely arranged transverse ribs and several longitudinally arranged longitudinal ribs.

[0008] Therefore, this utility model has the following characteristics compared with the prior art: 1. Through the design of the split structure, the base can be thickened and have a mesh reinforcing rib structure inside to enhance its resistance to deformation and improve its load-bearing capacity; 2. This utility model also improves the anti-collision effect of the box edge by attaching reinforcing columns to the four outer edges of the box body to achieve the effect of wrapping the corresponding parts. Attached Figure Description

[0009] Appendix Figure 1 This is a schematic diagram of the structure of this utility model;

[0010] Appendix Figure 2 This is a structural diagram of the box;

[0011] Appendix Figure 3 This is a top view of the cover;

[0012] Appendix Figure 4 It is attached Figure 3 AA section view;

[0013] Appendix Figure 5 It is attached Figure 3 BB cross-sectional view;

[0014] Appendix Figure 6 It is attached Figure 5 CC section view;

[0015] Appendix Figure 7 This is a cross-sectional view of the transverse reinforcement. Detailed Implementation

[0016] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0017] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0018] Example 1: See Figure 1 and Figure 2 A modular cardboard box, comprising a base 100, a box body 200, and a lid 300; see Figure 3 The base is composed of a base plate 110 and a lower enclosure 120. The base plate is rectangular, and the lower enclosure is distributed along the upper surface edge of the base plate. The interior of the base plate is provided with a horizontally distributed mesh reinforcing rib structure 130. The box body is composed of four side plates 210 connected end to end. Each of the four outer edges of the box body is fitted with an "L"-shaped reinforcing column 220. The bottom of the box body is connected to the upper surface of the base, and the lower enclosure is partially fitted to the outer side wall of the box body.

[0019] In this embodiment, the base and the box body are separate structures, fixed together with adhesive, providing good connection strength. The separate structure design allows the base to be thickened and reinforced with an internal mesh structure to enhance its resistance to deformation and improve its load-bearing capacity. This embodiment also improves the impact resistance of the box body edges by attaching reinforcing posts to the four outer edges, effectively wrapping around the corresponding areas. In this embodiment, the reinforcing posts are made of pressed pulp, and the mesh reinforcing structure is also made of paper.

[0020] See Figure 4 , Figure 5 and Figure 6, the bottom plate in this embodiment is formed by bonding an upper cardboard 111, a mesh reinforcing rib structure 130, and a lower cardboard 112. The mesh reinforcing rib structure is composed of several horizontally arranged transverse ribs 131 and several vertically arranged longitudinal ribs. Specifically, the transverse ribs are in a continuous straight rod-shaped structure, and the longitudinal ribs are composed of several segmented ribs 132 arranged in the same straight line. The ends of the segmented ribs abut against the side walls of the transverse ribs. When the bottom plate is in a stressed state, the lower cardboard is in a tensile stress state, the upper cardboard is in a compressive stress state, and the mesh reinforcing rib structure is in a bending and torsional stress state. After the bottom plate is compressed, the body tends to bend and deform. The cardboard itself has good tensile properties but poor compressive properties. Therefore, under the action of the lower cardboard, the mesh reinforcing rib structure hardly needs to bear the tensile stress, and the upper cardboard cannot resist excessive compressive stress. Therefore, the mesh reinforcing rib structure is needed to bear it, and the segmented ribs and transverse ribs can just provide good compressive properties.

[0021] See Figure 4 and Figure 7 , the transverse ribs are formed by bonding two "C"-shaped paper profiles 133 back to back. The segmented ribs are composed of a surface paper 134 and a honeycomb core 135. The pores of the honeycomb core are horizontally distributed.

[0022] See Figure 2 , a tension rib sheet 230 is connected to the middle of any two adjacent strengthening columns. The tension rib sheet can not only be used to reinforce the strengthening columns but also play a partial protective role.

[0023] See Figure 4 , four lower folding pieces 113 extend from the four directions of the lower cardboard respectively, and four upper folding pieces 114 extend from the four directions of the upper cardboard respectively. After the upper folding pieces are turned down, they can be bonded to the turned-up lower folding pieces, and part of the structure of the lower folding pieces forms the lower enclosure.

[0024] See Figure 1 , the cover body is composed of a cover plate 310 and an upper enclosure 320, and the cover body can be covered on the upper end of the box body.

[0025] It is obvious to those skilled in the art that the present utility model can be changed in various ways, and such changes are not considered to depart from the scope of the present utility model. All such modifications that are obvious to those skilled in the art will be included within the scope of the present claims.

Claims

1. A modular cardboard box, characterized in that: It includes a bottom tray, a box body and a cover body; the bottom tray is composed of a bottom plate and a lower enclosure, the bottom plate is rectangular, the lower enclosure is distributed along the edge of the upper surface of the bottom plate, and a horizontally distributed mesh reinforcing rib structure is arranged inside the bottom plate; the box body is composed of four side plates connected end to end in sequence, and "L"-shaped reinforcing columns are fitted to the four outer edges of the box body. The bottom of the box body is docked with the upper surface of the bottom tray, and the lower enclosure is partially fitted to the outer side wall of the box body.

2. The modular cardboard box according to claim 1, characterized in that: The bottom plate is formed by bonding an upper cardboard, a mesh reinforcing rib structure and a lower cardboard, and the mesh reinforcing rib structure is composed of a number of horizontally arranged transverse ribs and a number of vertically arranged longitudinal ribs.

3. The modular cardboard box according to claim 2, characterized in that: The transverse rib is a continuous straight rod-shaped structure, and the longitudinal rib is composed of a number of segmented ribs arranged in the same straight line, and the end of the segmented rib abuts against the side wall of the transverse rib.

4. The modular cardboard box according to claim 3, characterized in that: The transverse rib is formed by the back-to-back fitting of two "匚"-shaped paper profiles, the segmented rib is composed of a surface paper and a honeycomb core, and the pores of the honeycomb core are horizontally distributed.

5. The modular cardboard box according to claim 1, characterized in that: A tension rib sheet is connected to the middle of any two adjacent reinforcing columns.

6. The modular cardboard box according to claim 2, characterized in that: Four lower folding pieces extend in four directions of the lower cardboard respectively, and four upper folding pieces extend in four directions of the upper cardboard respectively. After the upper folding pieces are turned down, they can be bonded to the turned-up lower folding pieces, and part of the structure of the lower folding pieces constitutes the lower enclosure.

7. The modular cardboard box according to claim 1, characterized in that: The cover body is composed of a cover board and an upper enclosure, and the cover body can be covered on the upper end of the box body.

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