Adjustable multi-cavity packaging carton
The adjustable multi-cavity packaging carton design solves the problems of low space utilization and insufficient structural stability of traditional cartons, enabling flexible adjustment of the cavity layout and multi-layer cushioning protection. It is waterproof and fireproof, and can meet the storage needs of items of different sizes.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional cardboard boxes have low space utilization, making it difficult to adapt to the storage needs of items of different sizes. They also lack structural stability and have limited cushioning performance.
The adjustable multi-cavity packaging carton features a sliding connection between the slide rail assembly and the partition assembly, combined with silicone damping protrusions and elastic buckles, to achieve adjustable and stable cavity layout. The partition assembly uses composite corrugated cardboard and a cushioning sponge layer to enhance cushioning performance. The folding lid achieves self-closing by magnetic attraction between a magnetic iron sheet and a galvanized iron sheet. The carton surface is coated with a moisture-proof and flame-retardant coating to improve waterproof and fireproof performance.
It optimizes the use of internal space in the carton, the partition assembly is not easily displaced during transportation, provides multi-layer cushioning protection, has waterproof and fireproof properties, and can adapt to the storage needs of items of different sizes.
Smart Images

Figure CN224029569U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a packing carton especially a kind of adjustable multi-cavity packing carton. BACKGROUND
[0002] In the field of packing carton, the traditional fixed baffle structure has the problems of low space utilization and difficulty in adapting to different specifications of storage requirements. In recent years, some patents have tried to optimize the space layout through adjustable baffle design, but there are still problems such as insufficient structural stability and limited buffering performance. The specific problems are as follows:
[0003] The prior art CN118683841A discloses an adjustable packing box, which adjusts the size of the cavity by setting a slidingly connected bottom plate and a driving mechanism on both sides of the box body. However, the adjusting mechanism relies on a mechanical driving device, which is complex in structure and high in cost, and lacks design for the sliding damping of the baffle, which is prone to displacement during transportation.
[0004] At the same time, the prior art CN213535535U proposes an adjustable expansion corrugated carton, which adopts an inner and outer box structure combined with sliding components and fixed components. Although this scheme can expand, it cannot realize flexible partitioning of multiple cavities, and lacks a buffer layer to protect fragile items.
[0005] Furthermore, the prior art CN201377068Y provides a corrugated honeycomb paperboard, which improves the compressive strength by vertically interlaced arrangement of multiple layers of corrugated paperboard. However, its structure is fixed and cannot adjust the cavity layout according to the size of the items.
[0006] In view of the above-mentioned defects, the present inventor has actively researched and innovated to create an adjustable multi-cavity packing carton, which has greater industrial value. INVENTION CONTENTS
[0007] To solve the above technical problems, the purpose of the present utility model is to provide an adjustable multi-cavity packing carton.
[0008] The adjustable multi-cavity packing carton of the present utility model comprises a paper box body, and a folding cover plate extends from the upper end of the paper box body. The inner walls of the paper box body are symmetrically provided with sliding rail assemblies at upper and lower positions. A plurality of baffle assemblies are placed in the paper box body, and each baffle assembly comprises a baffle body connected with a hanging assembly at its upper and lower ends. The hanging assemblies are each provided with an engaging assembly at their two ends, and the engaging assemblies are connected to the sliding rail assemblies. The sliding rail assemblies are provided with T-shaped grooves, and the T-shaped grooves are provided with guide openings at one or both ends. The width of the guide openings is greater than that of the T-shaped grooves. The engaging assemblies are concave-shaped clamping strips, and the opening of the concave-shaped clamping strip is embedded in the edge of the corresponding baffle body.
[0009] Further, the adjustable multi-cavity packaging carton, wherein the lower edge of the T-shaped slot is equidistantly provided with a plurality of silica gel damping convex points, the height of the silica gel damping convex points is 0.3-1.5 mm; the T-shaped slot is bonded to the inner wall of the carton body; or the T-shaped slot is connected to the carton body by a staple.
[0010] Further, the adjustable multi-cavity packaging carton, wherein the engaging assembly is a clamping block connected to the hanging assembly, the upper end or the lower end of the clamping block is provided with an elastic buckle, the elastic buckle comprises a spring assembly connected to the clamping block, and an arc-shaped clamping piece is connected to the spring assembly; after combination, the arc-shaped clamping piece abuts against the inner wall of the carton body.
[0011] Further, the adjustable multi-cavity packaging carton, wherein the inner side of the arc-shaped clamping piece is attached with a silica gel anti-skid pad; the wire diameter of the spring assembly is 0.5-1.8 mm.
[0012] Further, the adjustable multi-cavity packaging carton, wherein the partition plate body is a composite corrugated board, the composite corrugated board comprises a honeycomb plate body, and the front and back surfaces of the honeycomb plate body are bonded with surface layer paperboards; the honeycomb plate body is a hexagonal honeycomb structure.
[0013] Further, the adjustable multi-cavity packaging carton, wherein the surface layer paperboard is bonded with a buffer sponge layer, the thickness of the buffer sponge layer is 0.2-0.8 cm; or the surface layer paperboard is attached with a plurality of PVC reinforcing ribs; the buffer sponge layer is provided with a plurality of deformation holes, the deformation holes are oval holes or long circular holes.
[0014] Further, the adjustable multi-cavity packaging carton, wherein the surface of the buffer sponge layer is attached with a PC waterproof film.
[0015] Further, the adjustable multi-cavity packaging carton, wherein the bottom or the outer side of the carton body is coated with a silica dioxide moisture-proof coating; or the outer side of the carton body is coated with a polyphosphoric acid ammonium flame-retardant coating.
[0016] Further, the adjustable multi-cavity packaging carton, wherein the carton body is provided with a foam cushion pad, and the thickness of the foam cushion pad is 0.5-2 cm.
[0017] Further, the adjustable multi-cavity packaging carton, wherein the folding cover plate is respectively attached with a magnetic iron sheet and a galvanized iron sheet, and the magnetic iron sheet adsorbs the galvanized iron sheet when the folding cover plate is closed.
[0018] By the above scheme, the adjustable multi-cavity packaging carton has at least the following advantages:
[0019] 1. It optimizes the internal cavity space of the carton body. Through the sliding connection structure design of the symmetrical slide rail assembly and the partition assembly, the cavity layout is adjustable. Compared with traditional fixed partition cartons, the space utilization rate is effectively improved, and it can adapt to the storage needs of items of different sizes. At the same time, items of different sizes will not squeeze or collide with each other.
[0020] 2. The silicone damping protrusions and elastic buckles work together to effectively prevent the partition assembly from shifting during transportation vibrations.
[0021] 3. The partition assembly has a composite structure. Through the combination of hexagonal honeycomb core layer and buffer sponge layer, it can achieve buffering and energy absorption. It can also be combined with PC waterproof membrane to achieve moderate waterproofing.
[0022] 4. The magnetic attraction closure structure of the magnetic iron sheet and the galvanized iron sheet enables self-positioning during the closing of the folding cover.
[0023] 5. The combination of silica moisture-proof coating and ammonium polyphosphate flame-retardant coating can give the cardboard box a certain degree of waterproof and fireproof effect.
[0024] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the preferred embodiments of this utility model are described in detail below with reference to the accompanying drawings. Attached Figure Description
[0025] Figure 1 This is a schematic diagram of the overall structure of an adjustable multi-cavity packaging carton.
[0026] Figure 2 This is a schematic diagram of the internal structure of an adjustable multi-cavity packaging carton. (Excluding partition assemblies)
[0027] Figure 3 This is a structural diagram of the partition assembly. (To avoid obstruction, the PC waterproof membrane is not included.)
[0028] Figure 4 This is a schematic diagram of the combination of the partition assembly and the slide rail assembly.
[0029] Figure 5 This is a structural diagram of composite corrugated cardboard.
[0030] The meanings of the labels in the figures are as follows.
[0031] Detailed Implementation
[0032] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but are not used to limit the scope of the utility model.
[0033] As Figures 1 to 5 The adjustable multi-cavity packaging carton, including paper box body 1, the upper end of paper box body 1 extends and folds cover plate 2, and it is different from the prior art in that: the inner wall of paper box body 1 is symmetrically distributed with slide rail assembly 3 at upper and lower positions. At the same time, a plurality of partition plate assemblies 4 are placed in paper box body 1, partition plate assembly 4 can be connected into slide rail assembly 3, for adjusting the actual position of its placement, to realize the adjustment layout of the multi-cavity inside paper box body 1. Specifically, partition plate assembly 4 includes a partition plate body, and the upper and lower ends of the partition plate body are connected with hanging assembly 5. And, the two ends of hanging assembly 5 are both installed with connection assembly, which is connected into slide rail assembly 3 to realize adjustment positioning. During implementation, in order to realize convenient and stable guiding connection, slide rail assembly 3 is provided with T-shaped groove, and the one end or both ends of T-shaped groove extends with guide opening 6, and the width of guide opening 6 is greater than the width of T-shaped groove. In this way, according to the needs, a plurality of partition plate assemblies 4 can be put in, to realize the adjustment distribution of a plurality of different size cavities, which can meet the interval placement of different articles, and realize the maximum utilization of the internal space of paper box body 1. Furthermore, in order to realize stable combination with the partition plate body, the connection assembly is a concave-shaped buckling strip, and the opening of the concave-shaped buckling strip is embedded into the edge of the corresponding partition plate body (including the upper edge and the lower edge).
[0034] In combination with a preferred embodiment of the utility model, the lower edge of T-shaped groove is equidistantly distributed with a plurality of silica gel damping convex points 7, and the height of silica gel damping convex point 7 is 0.3 to 1.5 millimeters. In this way, when the connection assembly slides along T-shaped groove for adjustment, moderate damping can be realized through silica gel damping convex point 7, to avoid accidental loosening of the connection assembly from both sides of T-shaped groove due to rapid sliding. And, the positioning groove is formed between the two silica gel damping convex points 7, which can assist the moderate positioning of the connection assembly. Considering the convenience of installation, T-shaped groove can be fixed on the inner wall of paper box body 1 by bonding. If further enhanced connection stability is needed, a staple can also be used for fixation, at which time attention should be paid to avoid the exposure of the staple tip. In this way, when a plurality of partition plate assemblies 4 are installed, even if the load is large, the partition plate assembly 4 will not fall off due to loose connection.
[0035] Further to see, in order to achieve moderate limit, the adapter assembly is connected with the hanging assembly 5, the upper end or the lower end of the clamping block 8 is provided with the elastic buckle. In this way, the elastic buckle is used for temporary limiting, and the baffle assembly 4 will not slide in the T-shaped groove after being placed in place, so that the positioning of the cavity space is realized. Specifically, the elastic buckle used in the utility model comprises a spring assembly 9 connected with the clamping block 8, the spring assembly 9 is connected with the arc-shaped card 10, after combination, the arc-shaped card 10 abuts against the inner wall of the carton body 1, and the buckling positioning is realized. At the same time, the inner side of the arc-shaped card 10 is attached with a silica gel anti-skid pad 11 to provide moderate damping and buffering, so that the inner wall of the carton body 1 is prevented from being concave due to long-time pressure. Moreover, in order to provide appropriate holding force, the wire diameter of the spring assembly 9 is 0.5 to 1.8 mm.
[0036] In combination with the actual implementation, in order to provide necessary spacing support and avoid abnormal deformation wrinkles when being extruded by the content, the baffle body is a composite corrugated board. Specifically, the composite corrugated board comprises a honeycomb plate body 12, and the front and back surfaces of the honeycomb plate body 12 are both attached with a surface layer paperboard 13. In consideration of stress transmission and moderate anti-deformation effect, the honeycomb plate body 12 is a hexagonal honeycomb structure. At the same time, in order to realize flexible contact with the content, the outer side of the surface layer paperboard 13 is attached with a buffer sponge layer 14, and the thickness of the buffer sponge layer 14 is 0.2 to 0.8 cm. In addition, in order to enhance the stress absorption and deformation effect of the buffer sponge layer 14, a plurality of deformation holes 15 can be arranged on the buffer sponge layer 14, and the deformation holes 15 can be oval holes or oblong holes. In this way, when being extruded by external stress, the stress can be first absorbed by the extrusion and deformation of the deformation holes 15, and then the remaining stress can be absorbed by the material properties of the buffer sponge layer 14 itself. Since the material is relatively soft, the buffer sponge layer 14 can realize flexible contact with the content placed in the carton body 1, and will not scratch the surface of the content. For some special use requirements, a PC waterproof film 16 can also be attached to the surface of the buffer sponge layer 14. The buffer sponge layer 14 can be prevented from appearing mildew spots due to the porous structure and residual water stains, and the subsequent maintenance and cleaning are facilitated. For some special placement requirements, in order to improve the overall anti-deformation effect of the baffle assembly 4, a plurality of PVC reinforcing ribs can be attached to the surface layer paperboard 13.
[0037] Further to see, in order to improve the service life and have suitable waterproof effect, the bottom or the outer side of the carton body 1 is coated with a silica dioxide moisture-proof coating. Alternatively, the outer side of the carton body 1 can be coated with an ammonium polyphosphate flame-retardant coating. In this way, the carton has certain flame-retardant protection performance, and the safety of the carton during stacking and use is improved.
[0038] Meanwhile, a 0.5-2cm-thick foam cushion can be laid in the carton body 1. In this way, the bottom of the content has a flexible cushion contact. Moreover, the folding cover plate 2 of the utility model can also be attached with a magnetic iron sheet 17 and a galvanized iron sheet 18, respectively. In this way, when the folding cover plate 2 is closed, the magnetic iron sheet 17 on different folding cover plates 2 adsorbs the galvanized iron sheet 18, realizing the temporary closing positioning of the folding cover plate 2. The working principle of the utility model is as follows:
[0039] The user docks a proper number of the partition plate assembly with the corresponding slide rail assembly. Then, under the guidance of the slide rail assembly, the partition plate assembly is adjusted in sliding, and different cavity sizes can be separated according to the space occupied by the current different content. Then, the content can be put in. The subsequent packaging is similar to the conventional carton, and will not be described here.
[0040] Meanwhile, when the content changes in volume due to use, consumption, etc., the position of the partition plate body can be adjusted again to realize the adaptive adjustment of the cavity size.
[0041] As can be seen from the above text description and in combination with the drawings, the utility model has the following advantages:
[0042] 1. It can meet the optimization of the internal cavity space of the carton body. Through the sliding connection structure design of the symmetrical slide rail assembly and the partition plate assembly, the adjustability of the cavity layout is realized, the space utilization rate is effectively improved compared with the traditional fixed partition plate carton, and the spacing storage demand of different specifications of articles can be adapted. At the same time, different specifications of articles will not be squeezed and collided with each other.
[0043] 2. The mutual cooperation of the silica gel damping convex point and the elastic buckle can effectively prevent the displacement of the partition plate assembly in the transportation vibration.
[0044] 3. The partition plate assembly is of a composite structure, which can realize buffering and energy absorption through the combination of the hexagonal honeycomb core layer and the buffer sponge layer, and can also cooperate with the PC waterproof film to realize moderate waterproofing.
[0045] 4. The magnetic attraction closing structure of the magnetic iron sheet and the galvanized iron sheet realizes the self-attraction positioning during the closing of the folding cover plate.
[0046] 5. The mutual cooperation of the silica dioxide moisture-proof coating and the ammonium polyphosphate flame-retardant coating can make the carton have certain waterproof and fireproof effects.
[0047] In addition, the indicated direction or position relationship described in the utility model is the direction or position relationship shown based on the drawings, which 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 structure must have a specific direction or be operated in a specific direction, so it cannot be understood as a limitation on the utility model.
[0048] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and it should be pointed out that, for ordinary skilled in the art, under the premise of not departing from the technical principle of the utility model, a plurality of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the utility model.
Claims
1. An adjustable multi-cavity packaging carton comprising a carton body (1), an upper end of the carton body (1) extending with a folding cover plate (2), characterized in that: The inner wall of the carton body (1) is symmetrically provided with slide rail assemblies (3) at upper and lower positions; a plurality of partition plate assemblies (4) are placed in the carton body, the partition plate assembly (4) comprises a partition plate body, the upper and lower ends of the partition plate body are connected with hanging assemblies (5), the two ends of the hanging assembly (5) are provided with link assemblies, and the link assemblies are connected into the slide rail assemblies (3); the slide rail assembly (3) is provided with a T-shaped groove, one end or both ends of the T-shaped groove extends a guide opening (6), and the width of the guide opening (6) is greater than that of the T-shaped groove; the link assembly is a concave-shaped buckling strip, and the opening of the concave-shaped buckling strip is embedded into the edge of the corresponding partition plate body.
2. The adjustable multi-cavity wraparound carton of claim 1, wherein: The lower edge of the T-shaped groove is provided with a plurality of silica gel damping convex points (7) at equal distances, the height of the silica gel damping convex point (7) is 0.3-1.5 mm, the T-shaped groove is bonded to the inner wall of the carton body (1), or the T-shaped groove is connected with the carton body (1) through a staple.
3. The adjustable multi-cavity wraparound carton of claim 1, wherein: The link assembly is a clamping block (8) connected with the hanging assembly (5), the upper end or the lower end of the clamping block (8) is provided with an elastic buckle, the elastic buckle comprises a spring assembly (9) connected with the clamping block (8), and the spring assembly (9) is connected with a circular-arc-shaped card (10), after combination, the circular-arc-shaped card (10) abuts against the inner wall of the carton body (1).
4. The adjustable multi-cavity wraparound carton of claim 3, wherein: The inner side of the circular-arc-shaped card (10) is attached with a silica gel anti-skid pad (11); the wire diameter of the spring assembly (9) is 0.5-1.8 mm.
5. The adjustable multi-cavity wraparound carton of claim 1, wherein: The partition plate body is a composite corrugated board, the composite corrugated board comprises a honeycomb plate body (12), and the front and back surfaces of the honeycomb plate body (12) are bonded with surface layer paperboards (13); the honeycomb plate body (12) is a hexagonal honeycomb structure.
6. The adjustable multi-cavity wraparound carton of claim 5, wherein: The surface layer paperboard (13) is bonded with a buffer sponge layer (14), the thickness of the buffer sponge layer (14) is 0.2-0.8 cm; or a plurality of PVC reinforcing ribs are pasted on the surface layer paperboard (13); a plurality of deformation holes (15) are distributed on the buffer sponge layer (14), and the deformation holes are elliptical holes or long circular holes.
7. The adjustable multi-cavity wraparound carton of claim 6, wherein: The surface of the buffer sponge layer (14) is attached with a PC waterproof film (16).
8. The adjustable multi-cavity wraparound carton of claim 1, wherein: The bottom or the outer side of the carton body (1) is coated with a silica dioxide moisture-proof coating; or the outer side of the carton body (1) is coated with a polyphosphoric acid ammonium flame-retardant coating.
9. The adjustable multi-cavity wraparound carton of claim 1, wherein: A foam cushion is laid in the carton body, and the thickness of the foam cushion is 0.5-2 cm.
10. The adjustable multi-cavity wraparound carton of claim 1, wherein: The folding cover plate (2) is respectively attached with a magnetic iron sheet (17) and a galvanized iron sheet (18), and when the folding cover plate (2) is closed, the magnetic iron sheet (17) adsorbs the galvanized iron sheet (18).
Citation Information
Patent Citations
Corrugated honeycomb paperboard
CN201377068Y
Corrugated carton with adjustable capacity expansion function
CN213535535U