Multi-layer heat preservation paper packaging box

Abstract

The utility model discloses a multi-layer heat preservation paper packing box, which relates to the technical field of paper box packing heat preservation, and comprises a paper box body, a bottom plate and a top plate, the paper box body comprises an inner box body and an outer box body, the outer box body is sleeved on the inner box body, the outer box body and the inner box body are both arranged on the bottom plate, and the top plate is arranged on the bottom plate. A containing cavity is formed between the inner box body and the outer box body, grooves are formed in the bottom plate and the top plate, thermal insulation materials are arranged in the containing cavity and the grooves, the spaces in the grooves and the containing cavity are filled with the thermal insulation materials, and hydrophobic layers are arranged on the surfaces of the inner box body, the outer box body, the bottom plate and the top plate. The top plate is rotationally connected to the outer box body, the hydrophobic layer can effectively prevent water drops generated on the surface of the box body due to large temperature difference from being absorbed by the paper box, and therefore the service life of the heat preservation paper packaging box is prolonged, the heat preservation paper packaging box can be repeatedly used, the green and environment-friendly concept is met, and the water drops can be wiped through cloth or paper or naturally air-dried.

Description

Technical Field

[0001] The utility model relates to the technical field of thermal insulation of paper box packaging, in particular to a multi-layer thermal insulation paper packaging box. Background Art

[0002] Thermal insulation paper packaging box is a packaging product with insulation function. It is widely used in food, medicine, cosmetics and other fields. It is used to maintain the required temperature of the product, extend the shelf life of the product, and improve the quality and use effect of the product. The thermal insulation paper packaging box adopts a multi-layer material structure, which can effectively isolate the influence of external temperature and keep the internal temperature of the product stable. Compared with traditional foam insulation boxes, thermal insulation paper packaging boxes are mostly made of recyclable materials, such as cardboard, aluminum foil, etc., which meet the environmental protection requirements of sustainable development. At the same time, the surface of the thermal insulation paper packaging box can be printed in multiple colors, support customer customization, and enhance the visual experience and brand image of product packaging.

[0003] The patent with publication date of July 16, 2021 and announcement number CN213706509U discloses a multi-layer thermal insulation paper packaging box, including an outer box and an inner box, wherein the inner box is a box body with an upper opening, and the inner box is installed in the outer box with the opening upward, and the outer box storage opening is opened on its upper surface and front side, and the rear side of the outer box is connected to the box cover corresponding to the storage opening, and a gap is set between the outer surface of the inner box and the inner surface of the outer box, and the inner box is slidably connected to the outer box. Multiple inner boxes are longitudinally installed inside the outer box to form a multi-layer storage space, and the two adjacent surfaces between adjacent inner boxes are in contact with each other. The paper packaging box of the utility model has excellent thermal insulation effect, layered storage, orderly storage, and stable structure.

[0004] While insulating paper packaging boxes are designed to insulate heat, the temperature difference after opening causes water droplets to form on the box's surface. This in turn soaks the box, which absorbs the moisture, causing it to swell, deform, crack, and even mold, affecting its normal use. The above solution considers installing multiple inner boxes vertically inside the insulating paper packaging box to form a multi-layer storage space, which provides orderly storage and a stable structure. However, it ignores the use of the insulating paper packaging box. After opening, the temperature difference between the inside and outside of the box causes water droplets to form on the box's surface, causing the box to become damp and damaged, affecting its use.

[0005] Therefore be necessary to provide a kind of multi-layer insulation paper packaging box. Utility Model Content

[0006] The embodiment of the present application provides a multi-layer insulation paper packaging box, which can improve the problem existing in the related art that during the use of the insulation paper packaging box, due to the temperature difference between the inside and outside of the box, water droplets are formed on the surface of the packaging box, causing the box body to become damp, resulting in expansion, deformation, cracks, and even mold, which in turn affects normal use.

[0007] An embodiment of the present application provides a multi-layer thermal insulation paper packaging box, comprising a paper box body, a bottom plate and a top plate, the paper box body comprising an inner box body and an outer box body, the outer box body being sleeved on the inner box body, and the outer box body and the inner box body being both arranged on the bottom plate, a placement cavity being formed between the inner box body and the outer box body, grooves being provided inside the bottom plate and the top plate, insulation material being provided in the placement cavity and the grooves, the insulation material filling the space in the grooves and the placement cavity, and a hydrophobic layer being provided on the surfaces of the inner box body, the outer box body, the bottom plate and the top plate, and the top plate being rotatably connected to the outer box body.

[0008] An embodiment of the present application provides a multi-layer insulation paper packaging box. When the multi-layer insulation paper packaging box is used, after the top plate is opened, water droplets generated by the temperature difference between the inside and outside of the packaging box will adhere to the surface of the hydrophobic layer, preventing the paper box from getting damp, thereby ensuring the reusability of the insulation paper packaging box.

[0009] The above-mentioned technical solution in the embodiment of the present application has at least the following technical effects: the thermal insulation material placed in the cavity and the groove has a thermal insulation effect, and the hydrophobic layer on the surface of the inner box body, the outer box body, the bottom plate and the top plate can effectively protect the paper box from being soaked by water droplets caused by temperature difference, thereby increasing the service life.

[0010] In some embodiments, grooves are provided inside the inner box body and the outer box body, support plates are provided in the grooves, and the support plates are folded in an M shape.

[0011] In some embodiments, a rotating plate is provided on a side of the top plate away from the outer box body, and magnetic buckles are provided on both the rotating plate and the outer box body, and the rotating plate and the outer box body are magnetically connected through the magnetic buckles.

[0012] In some embodiments, a shock-absorbing pad is further provided on a side of the bottom plate away from the paper box body, and a plurality of buffer balls are provided on the shock-absorbing pad.

[0013] In some embodiments, a groove is provided on the outer box body, an anti-slip pad is provided on the groove, and an anti-slip groove is provided on the anti-slip pad.

[0014] In some embodiments, a plurality of side panels are provided on the inner wall of the inner box body, and the side panels and the inner wall of the inner box body form a cavity.

[0015] In some embodiments, an anti-collision strip is provided on the outer box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0017] Figure 1 A schematic diagram of the overall structure of a multi-layer insulation paper packaging box provided in an embodiment of the present application;

[0018] Figure 2 for Figure 1 Enlarged view of part A;

[0019] Figure 3 for Figure 2 Enlarged view of part B;

[0020] Figure 4 This is a schematic diagram of the overall structure of a multi-layer insulation paper packaging box provided in an embodiment of the present application from another angle.

[0021] Among them, the reference numerals in the figures are:

[0022] 1 、 Bottom plate; 2. Top plate; 3. Carton body; 31. Inner box body; 32. Outer box body; 33. Insulation material; 4. Hydrophobic layer; 5. Support plate; 6. Rotating plate; 7. Magnetic buckle; 8. Shock-absorbing pad; 9. Buffer ball; 10. Anti-slip pad; 11. Side panel; 12. Anti-collision strip. DETAILED DESCRIPTION

[0023] In order to make the technical problems, technical solutions and beneficial effects to be solved by this application more clearly understood, this application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this application and are not intended to limit this application.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit this application. The terms "including" and "having" and any variations thereof in the specification and claims of this application and the accompanying drawings are intended to cover non-exclusive inclusions.

[0025] In order to improve the problem in the related art that during the use of the thermal insulation paper packaging box, due to the temperature difference between the inside and outside of the box, water droplets are formed on the surface of the packaging box, causing the box body to become damp, resulting in expansion, deformation, cracks, and even mold, which in turn affects normal use, the embodiments of the present application provide the following solution.

[0026] Please also refer to Figure 1-Figure 3 , including a paper box body 3, a bottom plate 1 and a top plate 2, the paper box body 3 includes an inner box body 31 and an outer box body 32, the outer box body 32 is sleeved on the inner box body 31, and the outer box body 32 and the inner box body 31 are both bonded to the bottom plate 1, a placement cavity is formed between the inner box body 31 and the outer box body 32, the bottom plate 1 and the top plate 2 are provided with grooves, the placement cavity and the grooves are bonded with thermal insulation material 33, the thermal insulation material 33 fills the space in the groove and the placement cavity, and the surfaces of the inner box body 31, the outer box body 32, the bottom plate 1 and the top plate 2 are all bonded with a hydrophobic layer 4, and the top plate 2 is rotatably connected to the outer box body 32.

[0027] In this configuration, the thermal insulation material 33 includes but is not limited to polystyrene foam, polyurethane foam, glass fiber, aerogel and other high-efficiency thermal insulation materials 33. The thermal insulation materials 33 generally have a low thermal conductivity, which means that they are not conducive to heat transfer. Designing the thermal insulation material 33 in the middle layer, that is, in the groove and the placement cavity, can effectively slow down the transfer of heat from the inside of the paper box to the external environment, thereby maintaining the temperature inside the paper box stable. Due to its own raw materials, the fiber structure of the thermal insulation paper packaging box easily absorbs moisture, causing the box body to expand, deform, and even crack. This structural change will not only affect the appearance of the paper box, but also reduce its carrying capacity. The surfaces of the inner box body 31, the outer box body 32, the bottom plate 1 and the top plate 2 are all provided with a hydrophobic layer 4, which can effectively prevent the water droplets generated on the surface of the box body due to the large temperature difference from being absorbed by the paper box, thereby increasing the service life of the thermal insulation paper packaging box, which can be reused repeatedly, in line with the concept of green environmental protection. In addition, the setting of the hydrophobic layer 4 also allows the thermal insulation paper packaging box to calmly cope with rainy, foggy and other weather conditions, and protect the items in the paper box from moisture. This is especially important for goods that need to be kept dry, such as food, medicine, etc.

[0028] Optionally, in some embodiments, please refer to Figure 1 as well as Figure 2 The inner box body 31 and the outer box body 32 are both provided with grooves, and the support plates 5 are bonded in the grooves. The support plates 5 are folded in an M shape.

[0029] Arranged in this way, the support plate 5 protects the packaging box from multiple aspects. From the vertical direction, the support plate 5 increases the vertical bearing capacity of the carton, effectively resists external pressure, and prevents the carton from being crushed or deformed during stacking or transportation, thereby improving the safety and stability of carton stacking. From the horizontal direction, the support plate 5 is folded in an M shape, and a triangular structure is formed between the support plate 5 and the groove. The triangle is stable and can evenly disperse the force when subjected to external force, reducing the risk of single-point force. The insulation paper packaging box may be subjected to pressure from all directions during stacking or transportation. The stability of the triangular structure enables the support plate 5 to better resist these pressures and prevent the carton from being crushed or deformed, which is crucial for protecting internal items from damage. Therefore, the support plate 5 significantly enhances the overall structural strength of the carton, making it more sturdy and durable.

[0030] Optionally, in some embodiments, please refer to Figure 1 as well as Figure 4 The top plate 2 is rotatably connected to a rotating plate 6 on one side away from the outer box body 32 , and magnetic buckles 7 are adhered to the rotating plate 6 and the outer box body 32 . The rotating plate 6 and the outer box body 32 are magnetically connected through the magnetic buckles 7 .

[0031] With such arrangement, after the items to be packaged are completely placed, the top plate 2 is rotated toward the paper box body 3, and the top plate 2 completely covers the paper box body 3. Then the rotating plate 6 is rotated, and the rotating plate 6 is rotated toward the outer box body 32 until the positive and negative poles of the magnetic buckle 7 on the rotating plate 6 and the magnetic buckle 7 on the outer box body 32 are attracted to each other. Compared with the traditional tape sealing, the design of the magnetic buckle 7 allows users to easily open the gift box without effort or tools, which is more convenient and quick, which greatly improves the user experience. On the other hand, the magnetic buckle 7 is simple in design and can provide a larger printing area. Companies can print brand logos, slogans, product information, etc. on it to carry out brand publicity and market promotion.

[0032] Optionally, in some embodiments, please refer to Figure 4 A shock-absorbing pad 8 is further provided on the side of the bottom plate 1 away from the carton body 3, and a plurality of buffer balls 9 are bonded to the shock-absorbing pad 8.

[0033] With such a configuration, when the shock-absorbing pad 8 is subjected to external impact, these buffer balls 9 similar to half bubbles can effectively disperse and reduce the impact force, protecting the items placed on the shock-absorbing pad 8 from damage. The buffer balls 9 can increase the friction between the shock-absorbing pad 8 and the contact surface, thereby improving the overall stability. When used on uneven ground, this design can reduce shaking and sliding caused by uneven ground.

[0034] Optionally, in some embodiments, please refer to Figure 1 、 Figure 2 as well as Figure 4 A groove is formed on the outer box body 32 , an anti-slip pad 10 is adhered to the groove, and an anti-slip groove is formed on the anti-slip pad 10 .

[0035] With this arrangement, a groove is provided on the box body for people to hold the groove with their fingers to move the insulation paper packaging box. The anti-slip pad 10 can be a silicone anti-slip pad 10. On the one hand, the anti-slip pad 10 covers the right angle formed by the groove of the box body to protect the hands. On the other hand, there is greater friction between the silicone anti-slip pad 10 and the skin of the hand, and the anti-slip groove is provided on the anti-slip pad 10 to further increase the anti-slip effect.

[0036] Optionally, in some embodiments, please refer to Figure 1 as well as Figure 2 A plurality of side panels 11 are movably connected to the inner wall of the inner box body 31 , and the side panels 11 and the inner wall of the inner box body 31 form a cavity.

[0037] With such an arrangement, when the thermal insulation paper packaging box is used to package some items that require low-temperature storage conditions, such as primers, DNA, etc., dry ice may need to be added to maintain low-temperature conditions. The cavity formed by the side panel 11 and the inner wall of the inner box body 31 is used to place dry ice, ice bags, etc. for placing items used to lower the temperature inside the packaging box. In this way, the target items to be transported can be separated from functional items such as dry ice and ice bags that have a cooling effect, and an effective cooling effect can be achieved. In addition, before placing the target items to be transported, hot water or cold water can be added to the cavity formed by the side panel 11 and the inner box body 31 to preheat or precool the environment inside the box according to the storage temperature of the target items to be transported, thereby reducing damage to the target items to be transported caused by the difference in different ambient temperatures. The side panel 11 can also be removed according to the actual size of the target items to be transported.

[0038] Optionally, in some embodiments, please refer to Figure 1 as well as Figure 4 The outer box body 32 is bonded with an anti-collision strip 12 .

[0039] In this way, the anti-collision strip 12 is provided with three circles on the outer box body 32. The side of the outer box body 32 with the magnetic buckle 7 is not provided with the anti-collision strip 12 because it needs to be docked with the rotating plate 6. The anti-collision strip 12 can enhance the structural strength of the packaging box, make the packaging more stable, and reduce the risk of damage. In the process of express delivery, the goods may experience multiple handling, loading and unloading and bumps of transportation tools. Since the anti-collision strip 12 has certain elasticity and toughness, it can absorb part of the impact force and play a buffering role, thereby effectively reducing the collision between the goods in these processes, thereby protecting the goods from damage.

[0040] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present application should be included in the scope of protection of the present application.

Claims

1. A multi-layer thermal insulation paper packaging box, characterized by: The invention comprises a paper box body (3), a bottom plate (1) and a top plate (2), wherein the paper box body (3) comprises an inner box body (31) and an outer box body (32), wherein the outer box body (32) is sleeved on the inner box body (31), and the outer box body (32) and the inner box body (31) are both arranged on the bottom plate (1), a placement cavity is formed between the inner box body (31) and the outer box body (32), a groove is provided inside the bottom plate (1) and the top plate (2), and a heat-insulating material (33) is provided in the placement cavity and the groove, and the heat-insulating material (33) fills the space in the groove and the placement cavity, and a hydrophobic layer (4) is provided on the surfaces of the inner box body (31), the outer box body (32), the bottom plate (1) and the top plate (2), and the top plate (2) is rotatably connected to the outer box body (32).

2. The multi-layer thermal insulation paper packaging box according to claim 1, characterized in that: Grooves are provided inside the inner box body (31) and the outer box body (32), and support plates (5) are provided in the grooves. The support plates (5) are folded in an M shape.

3. The multi-layer thermal insulation paper packaging box according to claim 2, characterized in that: A rotating plate (6) is provided on a side of the top plate (2) away from the outer box body (32), and a magnetic buckle (7) is provided on both the rotating plate (6) and the outer box body (32), and the rotating plate (6) and the outer box body (32) are magnetically connected via the magnetic buckle (7).

4. The multi-layer thermal insulation paper packaging box according to claim 3, characterized in that: A shock-absorbing pad (8) is further provided on a side of the bottom plate (1) away from the paper box body (3), and a plurality of buffer balls (9) are provided on the shock-absorbing pad (8).

5. The multi-layer thermal insulation paper packaging box according to claim 4, characterized in that: The outer box body (32) is provided with a groove, and an anti-slip pad (10) is provided on the groove.

6. The multi-layer thermal insulation paper packaging box according to claim 5, characterized in that: A plurality of side panels (11) are provided on the inner wall of the inner box body (31), and the side panels (11) and the inner wall of the inner box body (31) form a cavity.

7. The multi-layer thermal insulation paper packaging box according to claim 6, characterized in that: An anti-collision strip (12) is provided on the outer box body (32).

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