Lightweight foam packaging box with embedded cushioning ribs

Abstract

The utility model relates to the production technical field of foam packaging box, concretely relates to lightweight foam packaging box with embedded buffer rib, including the box of top opening, the box top surface sliding joint has the box cover, each vertical side wall in the box is inserted with a plurality of vertical buffer rib, the corner between two adjacent vertical side walls of the box is inserted with transition buffer rib, the bottom side wall of the box is close to the edge place at each vertical side wall bottom end and is inserted with a plurality of horizontal buffer rib. The utility model discloses through embedding the vertical buffer rib, transition buffer rib, horizontal buffer rib in the box interior and embedding the buffer rib ring of box cover, realizes all -round buffer coverage to foam packaging box from top to bottom, from the side wall to the corner, and the quality light buffer rib cooperation weight reduction hole effectively realizes the purpose of lightweight.

Description

Technical Field

[0001] This utility model relates to the field of foam packaging box production technology, specifically to a lightweight foam packaging box with embedded cushioning ribs. Background Technology

[0002] In the logistics and transportation sector, product damage has always been a major pain point, especially for fragile items such as precision instruments and electronic products, where traditional packaging struggles to meet protective requirements. Traditional foam packaging boxes are mostly single-structured with limited cushioning performance, often resulting in damage to the contents due to collisions. To improve cushioning, cushioning ribs can be embedded within the foam packaging box. These ribs are typically made of high-density polyethylene (HDPE) or polypropylene (PP), materials that combine good elasticity and toughness, absorbing impact through deformation. Embedding the cushioning ribs into the lightweight foam body creates a multi-layered cushioning structure. When subjected to external impact, the cushioning ribs deform first, dispersing some of the impact force, while the remaining force is further absorbed by the foam body, significantly reducing the probability of items being crushed. Simultaneously, the lightweight design reduces the packaging weight, lowering transportation costs.

[0003] Utility model patent CN219278304U discloses a foam box with a cushioning effect, including a box body, a top cover snapped onto the upper end of the box body, a cushioning mechanism fixedly mounted on the upper end of the top cover, the cushioning mechanism including four positioning blocks and four cushioning bases, a sponge pad fixedly sleeved on the inner surface of the box body, and a sliding groove formed in the middle of both sides of the inner side of the box body, with a partition plate slidably disposed between two of the sliding grooves. In this utility model, by snapping the internal cushioning mechanism into the positioning grooves, multiple foam boxes can be stacked. When the foam boxes are subjected to impact, the sliding rods, sliders, and springs connecting the positioning blocks and cushioning bases absorb the impact force, thus giving the foam boxes a good cushioning effect. Furthermore, the partition plate and sponge pad inside the box body allow for categorized placement of the foam boxes, further improving the cushioning effect.

[0004] Although the foam box with cushioning effect provides good shock absorption, it still has the following problems in practical use: the metal or rigid components such as springs, sliders, and slides are relatively heavy, and the cushioning of the middle side wall of the box relies on sponge pads, resulting in a limited cushioning range. Therefore, we propose a lightweight foam packaging box with embedded cushioning ribs. Utility Model Content

[0005] In view of the shortcomings of the existing technology, such as heavy weight and limited cushioning range, it is desirable to provide a lightweight foam packaging box with embedded cushioning ribs.

[0006] In a first aspect, this application provides a lightweight foam packaging box with embedded cushioning ribs, including a box body with a top opening, a box lid that is slidably snapped onto the top surface of the box body, a number of vertical cushioning ribs inserted into each vertical side wall of the box body, transition cushioning ribs inserted into the corners between two adjacent vertical side walls of the box body, and a number of horizontal cushioning ribs embedded in the bottom side wall of the box body near the edge at the bottom end of each vertical side wall.

[0007] According to the technical solution provided in the embodiments of this application, a buffer rib ring is embedded near the edge of the top surface of the box cover, and the top surface of the buffer rib ring is on the same horizontal plane as the top surface of the box cover.

[0008] In this design, the pressure resistance of the lid is enhanced by the buffer rib ring, reducing the impact force when subjected to external forces.

[0009] According to the technical solution provided in the embodiments of this application, the bottom surface of the box cover is integrally formed with a snap-fit ​​strip ring, and the outer dimensions of the snap-fit ​​strip ring are adapted to the inner dimensions of the box.

[0010] In this setup, the lid is embedded into the top of the box using a snap-fit ​​ring, enhancing the seal.

[0011] According to the technical solution provided in the embodiments of this application, the top of the vertical buffer rib protrudes out of the top surface of the box body, and the bottom surface of the box cover has a plurality of positioning holes on the outside of the snap-fit ​​ring that are the same number as the vertical buffer ribs and whose positions correspond one-to-one. The size of the positioning holes is adapted to the size of the part of the vertical buffer rib protruding out of the top surface of the box body.

[0012] This design, through the combination of vertical buffer ribs and positioning holes, precisely fixes the position of the box lid while enhancing the pressure resistance of the packaging box.

[0013] According to the technical solution provided in the embodiments of this application, the vertical corners of the box are all rounded, and the thickness of the side wall of the box at the corner is greater than the thickness of each vertical side wall of the box.

[0014] In this setting, the impact resistance is improved by rounding and thickening the corners of the packaging box.

[0015] According to the technical solution provided in the embodiments of this application, the length of the transition buffer rib is equal to the height of the box body, the transition buffer rib is bonded and fixed to the box body with glue, and the thickness of the transition buffer rib is one-quarter to one-half of the thickness of each vertical side wall of the box body.

[0016] In this setup, the transition buffer ribs, which are fixed in place by adhesive, ensure the buffer strength at the corners.

[0017] According to the technical solution provided in the embodiments of this application, a plurality of vertical outer sidewalls of the box are provided with weight-reducing holes. The depth of the weight-reducing holes is less than half the thickness of the vertical sidewalls of the box. The long side of the weight-reducing holes is consistent with the height direction of the box. The weight-reducing holes are offset from the vertical buffer ribs.

[0018] This design reduces the use of foam by using weight-reducing holes, achieving lightweight packaging and cost savings.

[0019] According to the technical solution provided in the embodiments of this application, the horizontal buffer rib is located between the bottom ends of two adjacent transition buffer ribs on the same horizontal straight line, and the bottom surface of the horizontal buffer rib and the bottom surface of the box are on the same horizontal plane;

[0020] In this design, horizontal buffer ribs and transition buffer ribs work together to enhance the impact resistance of the bottom of the enclosure.

[0021] In summary, this technical solution specifically discloses a lightweight foam packaging box with embedded buffer ribs, which includes weight-reducing holes, vertical buffer ribs, transition buffer ribs, horizontal buffer ribs, and buffer rib rings. By embedding the vertical buffer ribs, transition buffer ribs, and horizontal buffer ribs inside the box, as well as the buffer rib rings embedded in the box lid, the foam packaging box achieves all-round buffering coverage from top to bottom and from side walls to corners. Moreover, the lightweight buffer ribs, combined with the weight-reducing holes, effectively achieve the purpose of lightweighting. Attached Figure Description

[0022] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0024] Figure 2 This is a horizontal sectional view of the box body in the utility model.

[0025] Figure 3 This is a schematic diagram of the vertical cross-sectional structure of the box body in the utility model;

[0026] Figure 4 This is a bottom view of the structure of the middle box cover of the utility model;

[0027] Figure 5 This is a bottom view of the box structure of the utility model;

[0028] In the picture:

[0029] 1. Box body; 11. Weight reduction holes;

[0030] 2. Box lid; 21. Snap-fit ​​strip ring; 22. Positioning hole; 23. Buffer rib ring;

[0031] 3. Vertical buffer ribs;

[0032] 4. Transition buffer ribs;

[0033] 5. Horizontal buffer ribs. Detailed Implementation

[0034] The present application will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the relevant utility model and not intended to limit the scope of the utility model. Furthermore, it should be noted that, for ease of description, only the parts relevant to the utility model are shown in the accompanying drawings.

[0035] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0036] Please see Figures 1-5 A lightweight foam packaging box with embedded cushioning ribs includes a box body 1 with a top opening, a box lid 2 that slides onto the top surface of the box body 1, several vertical cushioning ribs 3 inserted into each vertical side wall of the box body 1, transition cushioning ribs 4 inserted at the corners between two adjacent vertical side walls of the box body 1, and several horizontal cushioning ribs 5 embedded at the bottom edge of each vertical side wall of the box body 1 near the edge.

[0037] In this embodiment, as Figure 1 As shown, a buffer rib ring 23 is embedded near the edge of the top surface of the box cover 2 to enhance the pressure resistance of the top of the box cover 2 and prevent the box cover 2 from deforming when stacked or subjected to external impact. The top surface of the buffer rib ring 23 is on the same horizontal plane as the top surface of the box cover 2, which does not affect the flatness of the surface of the box cover 2 and facilitates stacking to enhance space utilization efficiency.

[0038] Furthermore, such as Figure 4 As shown, the bottom surface of the box cover 2 is integrally formed with a snap-fit ​​strip ring 21. The outer dimensions of the snap-fit ​​strip ring 21 are adapted to the inner dimensions of the box body 1. The snap-fit ​​strip ring 21 enables the box cover 2 to fit tightly with the box body 1, preventing the box cover 2 from falling off during transportation and enhancing the sealing performance.

[0039] Furthermore, such as Figure 1 and Figure 4 As shown, the top of the vertical buffer rib 3 protrudes out of the top surface of the box body 1. The bottom surface of the box cover 2 has several positioning holes 22 on the outside of the snap-fit ​​ring 21, which are the same number as the vertical buffer rib 3 and correspond to each other in position. The hole size of the positioning hole 22 is matched with the size of the part of the vertical buffer rib 3 protruding out of the top surface of the box body 1, which can accurately fix the position of the box cover 2, prevent the box cover 2 from falling off during transportation, and further enhance the impact resistance and stability of the overall structure.

[0040] It is important to note that, such as Figure 1 and Figure 2 As shown, all vertical corners of the box 1 are rounded, and the thickness of the side wall of the box 1 at the corner is greater than the thickness of each vertical side wall of the box 1. The corner of the packaging box is the most vulnerable part during transportation. Rounding the corner can reduce stress concentration, and thickening the corner can improve the impact resistance.

[0041] In this embodiment, as Figure 3 As shown, the length of the transition buffer rib 4 is equal to the height of the box body 1, which avoids conflict with the box cover 2 or the bottom structure of the box body 1 and ensures the impact resistance at the top and bottom corners of the box body 1. The transition buffer rib 4 is glued to the box body 1 and the thickness of the transition buffer rib 4 is one-quarter to one-half of the thickness of each vertical side wall of the box body 1, which ensures the buffer strength of the box body 1 at the corners of the box body 1 against external forces and effectively protects the packaging box.

[0042] Furthermore, such as Figure 1 As shown, several vertical outer sidewalls of the housing 1 are provided with weight reduction holes 11. The depth of the weight reduction holes 11 is less than half the thickness of the vertical sidewalls of the housing 1. This reduces material usage and achieves lightweighting without compromising the sealing and structural integrity of the housing 1. The long side of the weight reduction holes 11 is aligned with the height of the housing 1, and the weight reduction holes 11 are offset from the vertical buffer ribs 3 to prevent the weight reduction holes 11 from hindering the shock absorption capacity of the vertical buffer ribs 3.

[0043] It is worth mentioning that, such as Figure 3 and Figure 5 As shown, the horizontal buffer rib 5 is located between the bottom ends of two adjacent transition buffer ribs 4 on the same horizontal straight line. The bottom surface of the horizontal buffer rib 5 is on the same horizontal plane as the bottom surface of the box 1, which enhances the load-bearing and buffering capacity of the bottom edge of the box 1 and improves the load-bearing and compression resistance of the bottom of the box 1.

[0044] Working Principle: The lightweight foam packaging box with embedded buffer ribs in this embodiment protects the contents of the box through a multi-directional buffer structure while maintaining a lightweight design. The box lid 2, which slides and snaps onto the top of the box body 1, is sealed by a bottom snap-fit ​​strip ring 21 that fits into the inner side of the box body 1. The lid 2 is also reinforced by the positioning holes 22 and the vertical buffer ribs 3 protruding from the vertical sidewalls of the box body 1. The vertical buffer ribs 3 inside the vertical sidewalls of the box body 1 and the transition buffer ribs 4 at the corners enhance the impact resistance of the sidewalls and corners, respectively. The corners are rounded and the sidewalls are thicker to improve stability. The horizontal buffer ribs 5 at the bottom of the box body 1 form bottom support and buffer at the edges and the bottom of the vertical sidewalls. The buffer rib ring 23 on the top surface of the box lid 2 enhances the pressure resistance at the top. The weight reduction holes 11 on the outer sidewalls of the box body 1 achieve lightweighting without affecting the structural strength. Overall, the reasonable layout of the embedded buffer ribs reduces weight while improving the buffer protection performance from all directions, including the top, bottom, left, right, and corners.

[0045] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the utility model involved in this application is not limited to the technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above-described features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. A lightweight foam packaging box with embedded cushioning ribs, comprising a box body (1) with a top opening, characterized in that: The top surface of the box (1) is slidably attached to the lid (2). Each vertical side wall of the box (1) is fitted with several vertical buffer ribs (3). The corners between two adjacent vertical side walls of the box (1) are fitted with transition buffer ribs (4). The bottom side wall of the box (1) is fitted with several horizontal buffer ribs (5) near the edge at the bottom of each vertical side wall.

2. The lightweight foam packaging box with embedded cushioning ribs according to claim 1, characterized in that: A buffer rib ring (23) is embedded near the edge of the top surface of the box cover (2), and the top surface of the buffer rib ring (23) is on the same horizontal plane as the top surface of the box cover (2).

3. The lightweight foam packaging box with embedded cushioning ribs according to claim 1, characterized in that: The bottom surface of the box cover (2) is integrally formed with a snap-fit ​​strip ring (21), and the outer dimensions of the snap-fit ​​strip ring (21) are adapted to the inner dimensions of the box body (1).

4. The lightweight foam packaging box with embedded cushioning ribs according to claim 3, characterized in that: The top of the vertical buffer rib (3) protrudes out of the top surface of the box body (1). The bottom surface of the box cover (2) has a number of positioning holes (22) that are the same as the number of vertical buffer ribs (3) and whose positions correspond one-to-one. The size of the positioning holes (22) is adapted to the size of the part of the vertical buffer rib (3) that protrudes out of the top surface of the box body (1).

5. The lightweight foam packaging box with embedded cushioning ribs according to claim 1, characterized in that: The vertical corners of the box (1) are all rounded, and the thickness of the side wall of the box (1) at the corner is greater than the thickness of each vertical side wall of the box (1).

6. The lightweight foam packaging box with embedded cushioning ribs according to claim 1, characterized in that: The length of the transition buffer rib (4) is equal to the height of the box body (1). The transition buffer rib (4) is glued to the box body (1) and the thickness of the transition buffer rib (4) is one-quarter to one-half of the thickness of each vertical side wall of the box body (1).

7. The lightweight foam packaging box with embedded cushioning ribs according to claim 1, characterized in that: The box (1) has several vertical outer side walls with weight reduction holes (11). The depth of the weight reduction holes (11) is less than half the thickness of the vertical side wall of the box (1). The long side of the weight reduction holes (11) is consistent with the height direction of the box (1). The weight reduction holes (11) are offset from the vertical buffer ribs (3).

8. The lightweight foam packaging box with embedded cushioning ribs according to claim 1, characterized in that: The horizontal buffer rib (5) is located between the bottom ends of two adjacent transition buffer ribs (4) on the same horizontal straight line, and the bottom surface of the horizontal buffer rib (5) is on the same horizontal plane as the bottom surface of the box body (1).

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