A shock absorbing packaging box

Abstract

The utility model discloses a shock attenuation type packing box relates to packing box technical field, including the box, the upper side detachable connection of box has apron, the inside of box is provided with the placement slot, the movable joint of placement slot has the placement board, the top surface of placement board is provided with the elastic bag, the inside rotation connection of placement slot has the pivot, two mobile blocks of symmetry structure sliding connection have on the pivot, two mobile blocks are through the rotation connection of support and the bottom surface of placement board. Through the elastic connection of guiding strip and guide slot between placement board and placement slot and the telescopic link of multiple square structure distribution, ensure that placement board can steady buffering when receiving low frequency vibration, avoid the damage of resonance. The combination design of pivot, mobile block and support not only strengthened the stability of structure, still through the elastic connection of spring, makes whole shock attenuation system can carry out self -adaptation adjustment according to different size's article.

Description

Technical Field

[0001] This utility model relates to the field of packaging box technology, specifically a shock-absorbing packaging box. Background Technology

[0002] Vibration-sensitive items (such as precision sensors, lenses, and ceramic artworks) must withstand two typical types of vibration during transportation: low-frequency bumps during vehicle movement and high-frequency impacts during loading and unloading. Existing packaging box shock-absorbing designs have core flaws: most use a single fixed foam or ordinary rubber pad as cushioning, which can only absorb vibrations within a narrow frequency range and cannot protect against both types of vibration, leading to damage to items due to low-frequency resonance or high-frequency impact overload. Furthermore, critical areas such as the bottom and corners are not reinforced for shock absorption, and the cushioning components are mostly customized fixed structures, unable to flexibly adapt to items of different sizes, requiring new molds for manufacturing, resulting in poor versatility and high operating costs. In addition, some shock-absorbing structures are prone to displacement due to vibration, losing their shock-absorbing effect. To address these issues, a shock-absorbing packaging box is proposed. Utility Model Content

[0003] To solve the above technical problems, the present invention adopts the following technical solution: a shock-absorbing packaging box, including a box body, a cover plate detachably connected to the upper side of the box body, a placement groove opened inside the box body, a placement plate movably connected in the placement groove, an elastic bladder provided on the top surface of the placement plate, a rotating shaft rotatably connected inside the placement groove, and two moving blocks slidably connected on the rotating shaft in a symmetrical structure, the two moving blocks being rotatably connected to the bottom surface of the placement plate through a bracket.

[0004] Preferably, guide strips are fixedly arranged in a symmetrical structure on the side wall of the placement groove, and guide grooves are opened on the side wall of the placement plate. The guide grooves and guide strips are elastically connected. The bottom surface of the placement plate is elastically connected to the bottom surface of the placement groove through multiple telescopic rods, and the multiple telescopic rods are distributed in a square structure.

[0005] Preferably, a sealing cavity is provided between the placement plate and the placement groove, and a through hole is provided on the placement plate to maintain communication with the sealing cavity. A cavity is provided between the elastic bladder and the top surface of the placement plate, and the cavity is maintained to communicate with the sealing cavity through the through hole. Furthermore, multiple rubber strips are provided linearly and equally spaced on the top surface of the elastic bladder, and the rubber strips are arranged in an arc-shaped structure.

[0006] Preferably, a ring is fixedly installed on the outer end of the movable block, and a limiting ring is fixedly installed on the rotating shaft in a symmetrical structure. The limiting ring is used to block the ring. The two ends of the rotating shaft are respectively connected and fixed to the outer wall of the guide strip, and the two movable blocks are elastically connected by a spring.

[0007] Preferably, a connecting shaft is fixedly installed at the upper end of the movable block, a round hole is opened at the end of the bracket, the round hole is rotatably connected to the connecting shaft, and a through groove is opened in the middle of the movable block, the through groove is slidably engaged with the rotating shaft.

[0008] Preferably, a connecting block is fixedly installed on the bottom surface of the placement plate, and the upper end of the bracket is rotatably connected to the bottom surface of the placement plate via a round rod.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes an elastic connection between the placement plate and the placement groove via guide strips and guide grooves, along with multiple telescopic rods arranged in a square structure, to ensure stable buffering of the placement plate under low-frequency vibrations, preventing resonance damage. Simultaneously, the interconnected design of the elastic bladder with the sealed cavity and body allows the elastic bladder to rapidly deform and absorb energy under high-frequency impacts, and the arc-shaped structure of the rubber strips further disperses the impact force, protecting the item from high-frequency overload damage. Furthermore, the combined design of the pivot, moving block, and support not only enhances structural stability but also, through the elastic connection of springs, allows the entire shock absorption system to adaptively adjust to items of different sizes, improving versatility and flexibility of use. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a schematic diagram of the overall structure of the packaging box of this utility model; Figure 2 This is a schematic diagram of the overall exploded structure of the packaging box of this utility model; Figure 3 This is a schematic diagram of the exploded structure at the placement plate of this utility model; Figure 4 This is a schematic diagram of the exploded structure at the pivot point of this utility model.

[0012] In the diagram: 1. Box body; 11. Placement slot; 12. Guide strip; 13. Telescopic rod; 2. Placement plate; 21. Guide slot; 22. Through hole; 23. Elastic bladder; 24. Rubber strip; 3. Rotating shaft; 31. Limiting ring; 4. Moving block; 41. Connecting shaft; 42. Circular ring; 43. Spring; 44. Bracket; 45. Circular hole; 46. Through slot. Detailed Implementation

[0013] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0014] Example: Figures 1-4 As shown, this utility model provides a shock-absorbing packaging box, including: a box body 1, a cover plate detachably connected to the upper side of the box body 1, a placement groove 11 inside the box body 1, a placement plate 2 movably connected inside the placement groove 11, an elastic bladder 23 provided on the top surface of the placement plate 2, a rotating shaft 3 rotatably connected inside the placement groove 11, and two moving blocks 4 slidably connected to the rotating shaft 3 in a symmetrical structure. The two moving blocks 4 are rotatably connected to the bottom surface of the placement plate 2 through a bracket 44. In actual use, when an item is placed on the placement plate 2, the weight of the item will press on the placement plate 2, causing the placement plate 2 to move downwards under pressure. During the downward movement of the placement plate 2, on the one hand, the guide groove 21 on its side wall slides along the guide strip 12 on the side wall of the placement groove 11. Due to the elastic connection between the guide groove 21 and the guide strip 12, and the elastic connection between the bottom surface of the placement plate 2 and the bottom surface of the placement groove 11 through multiple square-shaped telescopic rods 13, these structures work together to effectively buffer the pressure from the item and absorb vibrations generated by low-frequency bumps. On the other hand, the downward movement of the placement plate 2 will allow the air in the sealed cavity to enter the cavity between the elastic bladder 23 and the top surface of the placement plate 2 through the through hole 22, so that the elastic bladder 23 provides elastic support for the item.

[0015] Furthermore, in this application, guide strips 12 are symmetrically fixedly arranged on the side wall of the placement groove 11, and guide grooves 21 are formed on the side wall of the placement plate 2. The guide grooves 21 and guide strips 12 are elastically connected. The bottom surface of the placement plate 2 is elastically connected to the bottom surface of the placement groove 11 through multiple telescopic rods 13, and the multiple telescopic rods 13 are distributed in a square structure. In actual use, when an item is placed on the placement plate 2, the placement plate 2 will move downward under the pressure of the item. At this time, the guide grooves 21 on the side wall of the placement plate 2 will slide along the guide strips 12 on the side wall of the placement groove 11. At the same time, the multiple telescopic rods 13 on the bottom surface of the placement plate 2 will be compressed, producing elastic deformation, thereby absorbing some vibration energy.

[0016] Furthermore, in this application, a sealed cavity is provided between the placement plate 2 and the placement groove 11. The placement plate 2 has a through hole 22 that communicates with the sealed cavity. A cavity is provided between the elastic bladder 23 and the top surface of the placement plate 2. The cavity communicates with the sealed cavity through the through hole 22. Multiple rubber strips 24 are linearly and evenly spaced on the top surface of the elastic bladder 23, and the rubber strips 24 are arranged in an arc shape. The sealed cavity between the placement plate 2 and the placement groove 11, as well as the elastic bladder 23, also play an important role in shock absorption. When the placement plate 2 moves downwards, the air in the sealed cavity is compressed and enters the cavity between the elastic bladder 23 and the top surface of the placement plate 2 through the through hole 22, causing the elastic bladder 23 to expand. The multiple rubber strips 24 on the top surface of the elastic bladder 23 increase the friction between it and the object, preventing the object from shifting during vibration. Simultaneously, the elastic deformation of the elastic bladder 23 can absorb some vibration energy, improving the shock absorption effect.

[0017] Furthermore, in this application, a ring 42 is fixedly installed on the outer end of the movable block 4, and a limiting ring 31 is fixedly installed on the rotating shaft 3 in a symmetrical structure. The limiting ring 31 is used to block the ring 42. The two ends of the rotating shaft 3 are respectively connected and fixed to the outer wall of the guide strip 12, and the two movable blocks 4 are elastically connected by a spring 43. In actual transportation, when encountering low-frequency bumps, the placement plate 2 will move up and down with the bumps. At this time, the two movable blocks 4 will slide on the rotating shaft 3. Since the two movable blocks 4 are elastically connected by the spring 43, the elastic force of the spring 43 will play a buffering role, absorbing the vibration energy generated by low-frequency bumps and reducing the vibration transmitted to the item. When encountering high-frequency impacts, the item is instantly subjected to a large impact force, and the placement plate 2 moves downward quickly. At this time, the elastic bladder 23 is quickly compressed, and the air inside is quickly squeezed into the sealed cavity. At the same time, the telescopic rod 13 is also quickly compressed. These structures work together to absorb external forces in a short time and achieve shock absorption.

[0018] Furthermore, in this application, a connecting shaft 41 is fixedly installed at the upper end of the movable block 4, and a circular hole 45 is opened at the end of the bracket 44. The circular hole 45 is rotatably connected to the connecting shaft 41, and a through groove 46 is opened in the middle of the movable block 4, which is slidably engaged with the rotating shaft 3. A connecting block is fixedly installed on the bottom surface of the placement plate 2, and the upper end of the bracket 44 is rotatably connected to the bottom surface of the placement plate 2 through a circular rod. Specifically, when the placement plate 2 moves downward, it will drive the two movable blocks 4 to slide on the rotating shaft 3 through the bracket 44. Since the two movable blocks 4 are elastically connected by a spring 43, when the movable blocks 4 slide, the spring 43 will be stretched or compressed, further absorbing vibration energy. This design enables the packaging box to cope with vibrations of different frequencies, whether it is low-frequency bumps or high-frequency impacts, and can play an effective shock absorption role. When the vibration ends, the elastic restoring force of the telescopic rod 13 and the spring 43 will push the placement plate 2 upward, so that the packaging box returns to its initial state. This design gives the packaging box an automatic reset function, which is convenient for reuse.

[0019] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A shock-absorbing packaging box, characterized in that, include: The box (1) has a cover plate detachably connected to its upper side. The box (1) has a placement groove (11) inside. A placement plate (2) is movably connected inside the placement groove (11). An elastic bladder (23) is provided on the top surface of the placement plate (2). A rotating shaft (3) is rotatably connected inside the placement groove (11). Two moving blocks (4) are symmetrically connected to the rotating shaft (3). The two moving blocks (4) are rotatably connected to the bottom surface of the placement plate (2) through a bracket (44).

2. The shock-absorbing packaging box as described in claim 1, characterized in that, The side wall of the placement groove (11) is symmetrically provided with guide strips (12), and the side wall of the placement plate (2) is provided with guide grooves (21). The guide grooves (21) and guide strips (12) are elastically connected. The bottom surface of the placement plate (2) is elastically connected to the bottom surface of the placement groove (11) through multiple telescopic rods (13), and the multiple telescopic rods (13) are distributed in a square structure.

3. A shock-absorbing packaging box as described in claim 2, characterized in that, A sealing cavity is provided between the placement plate (2) and the placement groove (11). A through hole (22) is provided on the placement plate (2) to maintain communication with the sealing cavity. A cavity is provided between the elastic bladder (23) and the top surface of the placement plate (2). The cavity is maintained in communication with the sealing cavity through the through hole (22). A plurality of rubber strips (24) are provided linearly and equally spaced on the top surface of the elastic bladder (23). The rubber strips (24) are arranged in an arc-shaped structure.

4. A shock-absorbing packaging box as described in claim 3, characterized in that, A ring (42) is fixedly installed on the outer end of the moving block (4). A limiting ring (31) is fixedly installed on the rotating shaft (3) in a symmetrical structure. The limiting ring (31) is used to block the ring (42). The two ends of the rotating shaft (3) are respectively connected and fixed to the outer wall of the guide strip (12). The two moving blocks (4) are elastically connected by a spring (43).

5. A shock-absorbing packaging box as described in claim 4, characterized in that, The upper end of the movable block (4) is fixedly installed with a connecting shaft (41), and the end of the bracket (44) is provided with a round hole (45). The round hole (45) is rotatably connected to the connecting shaft (41), and the middle part of the movable block (4) is provided with a through groove (46). The through groove (46) is slidably engaged with the rotating shaft (3).

6. A shock-absorbing packaging box as described in claim 5, characterized in that, A connecting block is fixedly installed on the bottom surface of the placement plate (2), and the upper end of the bracket (44) is rotatably connected to the bottom surface of the placement plate (2) through a round rod.

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