Heat preservation carton

Abstract

The utility model relates to the technical field of cartons, and discloses a heat preservation carton which comprises four carton plates forming the front face, the rear face, the left face and the right face of the carton, the upper side edge and the lower side edge of each carton plate are integrally connected with an upper cover plate and a lower cover plate, aluminum-foil paper adheres to the side faces of the carton plates, and reserved openings are formed in the positions, corresponding to the positions between the adjacent upper cover plates and the lower cover plates, of the aluminum-foil paper. A through opening is preset in the position, close to the upper left corner, of one of the four box plates, a metal plate is installed on the inner side edge of the box plate at the position of the through opening in an adhesive mode, a transparent shell cover is installed on the outer side face of the metal plate in an adhesive mode, the outer side face of the shell cover is fixed to the inner wall of the through opening at the corresponding position in an adhesive mode, and a temperature measuring paste is pasted to the outer side face of the metal plate in the shell cover. According to the heat preservation carton, by adding the temperature measuring paste and utilizing conduction of the metal plate, the temperature condition in the heat preservation carton can be roughly displayed, so that transportation personnel can conveniently and timely check the temperature condition, meanwhile, the temperature measuring paste does not use electronic devices and does not need to be powered, and the temperature measuring paste can be used as a disposable along with the heat preservation carton.

Description

Technical Field

[0001] The utility model relates to the technical field of cartons, in particular to a heat-insulating carton. Background Technique

[0002] A heat-insulating carton is made by adding heat-insulating materials (such as aluminum foil, foam, etc.) inside or outside the carton, and has good heat-insulating and fresh-keeping performance. It is widely used in industries such as food, medicine, and biological products, such as cold-chain transportation and storage of fruits, vegetables, seafood, meat, biological products, and pharmaceutical products.

[0003] At present, few heat-insulating cartons have the function of displaying the temperature inside the box. For some cartons with this function, they are generally plastic boxes or reusable heat-insulating boxes made of other materials, rather than the generally disposable products of cartons. Because such heat-insulating boxes mostly use electronic devices such as temperature sensors and display screens, which require power supply. Considering the use cost, it cannot be directly applied to disposable cartons, which results in that disposable heat-insulating cartons do not have the temperature display function. Content of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides a heat-insulating carton to solve the problems in the background technique.

[0006] (II) Technical Solutions

[0007] To solve the above problems, the utility model provides the following technical solutions:

[0008] A heat-insulating carton includes four box boards that form the front, back, left, and right sides of the carton. Upper and lower cover plates are integrally formed and connected to the upper and lower sides of each box board. Aluminum foil paper is adhesively attached to the side of the box board. Reserved openings are provided on the aluminum foil paper corresponding to the positions between the adjacent upper and lower cover plates. A through opening is preset at the position near the upper left corner of one of the four box boards. A metal plate is adhesively installed on the inner side edge of the box board at the through opening position. A transparent shell cover is adhesively installed on the outer side of the metal plate. The outer side of the shell cover is adhesively fixed to the inner wall of the corresponding through opening. A temperature measurement sticker is adhesively attached to the outer side of the metal plate inside the shell cover.

[0009] Preferably, a bottom plate is installed on the inner side of the inner and outer sides of the box board. Multiple equally spaced ribs are installed on the bottom plate far from the inner side of the box board. The aluminum foil paper is fixed to the corresponding bottom plate and ribs.

[0010] Preferably, the ribs are made of paper and are arranged in a hollow triangular prism structure.

[0011] Preferably, it further includes a lower bracket, which includes a first support plate. The first support plate is located at the bottom of the carton to form a supporting structure. Outer ring strips are connected to the outer circumferential positions on both the upper and lower surfaces of the first support plate. The inner circumferential wall of the outer ring strip on the upper surface of the first support plate abuts against the outer surfaces of the box panels on the four sides of the carton.

[0012] Preferably, it further includes an upper bracket, which includes a second support plate. The second support plate is located at the top surface of the carton to form a placement support. A lower ring strip is connected to the outer circumferential position of the bottom surface of the second support plate. The inner circumferential wall of the lower ring strip abuts against the outer surfaces of the box panels on the four sides of the carton. An upper ring strip is connected to the inner side position of the second support plate corresponding to the lower ring strip.

[0013] Preferably, openings are provided on the outer ring strip of the first support plate and the upper and lower ring strips of the second support plate.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, the present utility model provides a heat-insulated carton, which has the following beneficial effects:

[0016] 1. For this heat-insulated carton, by adding a temperature-measuring sticker and utilizing the conduction of the metal plate, it can roughly display the temperature inside the heat-insulated carton, so that the transportation personnel can conveniently and timely check it. At the same time, the temperature-measuring sticker does not use electronic devices and does not require power supply, and can be used as a disposable item along with the heat-insulated carton.

[0017] 2. For this heat-insulated carton, the assembled carton is fixed on the upper and lower surfaces through the upper bracket and the lower bracket. When multiple cartons are stacked, the stability after stacking can be improved, making it not easy to collapse.

[0018] 3. For this heat-insulated carton, through the cooperation of the rib strips and the upper and lower brackets, additional load sharing is provided for the carton, enabling the carton to obtain higher compressive load-bearing capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is the unfolded view of the carton of the present utility model;

[0020] Figure 2 is the installation schematic diagram of the temperature-measuring sticker in the present utility model;

[0021] Figure 3 is the three-dimensional view of the carton of the present utility model;

[0022] Figure 4 is the three-dimensional view of the upper bracket and the lower bracket of the present utility model;

[0023] Figure 5 is the schematic diagram of the stacked cartons of the present utility model.

[0024] In the figure: 1. box board; 2. upper and lower cover plates; 3. bottom board; 4. ribs; 5. aluminum foil paper; 6. reserved opening; 7. metal plate; 8. temperature measuring sticker; 9. shell cover; 10. lower bracket; 11. upper bracket; 12. first supporting plate; 13. outer ring strip; 14. second supporting plate; 15. upper ring strip; 16. lower ring strip; 17. opening. Detailed implementation mode

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0026] Please refer to Figures 1-5 , a heat-insulating carton, including a box board 1, there are four box boards 1 that form the front, back, left and right sides of the carton, upper and lower cover plates 2 are integrally formed and connected to the upper and lower sides of each box board 1, a bottom board 3 is adhesively attached to the inner side of the inner and outer sides of the box board 1, and a plurality of equally spaced ribs 4 are adhesively installed on the bottom board 3 far from the inner side of the box board 1. The ribs 4 are made of paper and are arranged in a hollow triangular prism structure. Aluminum foil paper 5 is adhesively attached to the ribs 4 and the bottom board 3, and a reserved opening 6 is provided on the aluminum foil paper 5 corresponding to the position between the adjacent upper and lower cover plates 2.

[0027] During use, the four box boards 1 are surrounded into a square. At this time, it is necessary to ensure that the side with the aluminum foil paper 5 is the inner side. Then, the existing nail strips for fixing the carton are used for edge bonding and fixing. Then, the upper and lower cover plates 2 are turned over and folded to serve as the top and bottom of the carton. At this time, the cold chain items can be placed in the carton for storage. After storage, cover it and seal it with tape. The aluminum foil paper 5 can reflect infrared energy, thereby reducing the heat exchange inside and outside the carton. Of course, the aluminum foil paper 5 can also be replaced with other common heat-insulating materials, such as pearl cotton, foam, and heat-insulating cotton. When placing ice cubes or other low-temperature objects in the carton, the lower temperature environment inside the carton can be maintained for a certain period of time, thus meeting the cold chain transportation requirements.

[0028] In this embodiment, a through hole is preset at the position of the upper left corner of one of the four box boards 1, and the aluminum foil paper 5 at this position is also open. A metal plate 7 is adhesively installed on the inner side edge of the box board 1 at the through hole position, and a shell cover 9 is adhesively installed on the outer side of the metal plate 7. The outer side of the shell cover 9 is adhesively fixed to the inner wall of the corresponding through hole. The shell cover 9 is made of transparent plastic, and a temperature measuring sticker 8 is adhesively attached to the outer side of the metal plate 7 inside the shell cover 9. The temperature measuring range of the temperature measuring sticker 8 is from -2°C to 25°C, which is the temperature of conventional cold chain foods. For other temperature requirements, temperature measuring stickers with other temperature measuring ranges can be replaced.

[0029] After storing cold-chain commodities and cold sources such as ice cubes in the carton, affected by the cold source, the internal temperature decreases and is transmitted to the temperature-measuring sticker 8 through the metal plate 7. The temperature-measuring sticker 8 roughly displays the current temperature value of itself according to its own thermosensitive material. Since metal is a good conductor of heat, internal temperature conduction can be relatively reliable, providing the temperature for the temperature-measuring sticker 8 to indicate. The outer plastic shell 9 is a poor conductor of heat, which can reduce the accelerated exchange of internal cold energy with the external environment and reduce the loss of internal cold energy. The transporter only needs to check the displayed temperature value of the temperature-measuring sticker 8 to roughly understand the temperature inside the carton, and then make reasonable handling in a timely manner according to the temperature. For example, when the temperature is high, replenish the cold source in time to cool down.

[0030] In this embodiment, the thermal-insulated carton further includes a lower bracket 10 and an upper bracket 11. The lower bracket 10 includes a first support plate 12, and the first support plate 12 is located at the bottom of the carton to form a supporting structure. Outer ring strips 13 are integrally formed and connected to the outer peripheral positions of both the upper and lower surfaces of the first support plate 12. The inner peripheral wall of the outer ring strip 13 on the upper surface of the first support plate 12 abuts against the outer surface of the box board 1 on the four sides of the carton.

[0031] The upper bracket 11 includes a second support plate 14, and the second support plate 14 is located on the top surface of the carton to form a placement support. A lower ring strip 16 is integrally formed and connected to the outer peripheral position of the bottom surface of the second support plate 14. The inner peripheral wall of the lower ring strip 16 abuts against the outer surface of the box board 1 on the four sides of the carton. An upper ring strip 15 is integrally formed and connected to the inner side position of the top surface of the second support plate 14 corresponding to the lower ring strip 16. When multiple cartons are stacked, the outer peripheral wall of the upper ring strip 15 of the second support plate 14 abuts against the inner peripheral wall of the outer ring strip 13 under the first support plate 12, and the upper ring strip 15 and the outer ring strip 13 respectively abut against the corresponding first support plate 12 and the second support plate 14 to form a support. Openings 17 are preset on the outer ring strip 13 of the first support plate 12, the upper ring strip 15 of the second support plate 14, and the lower ring strip 16.

[0032] During transportation, multiple cartons are stacked. At this time, the lower bracket 10 and the upper bracket 11 are used to ensure the stability after stacking. After the carton packaging is completed, the lower bracket 10 and the upper bracket 11 are respectively placed on the bottom surface and the top surface of the carton. The carton is supported on the first support plate 12 and the second support plate 14. When both the lower bracket 10 and the upper bracket 11 are made of paper material of the same material as the carton, glue can be used to fix the lower bracket 10 and the upper bracket 11 to the carton at this time. When the lower bracket 10 and the upper bracket 11 are made of reusable plastic material, they are directly placed without using glue for fixation. When multiple cartons are stacked, the lower bracket 10 of the upper carton falls on the upper bracket 11 of the lower carton, and a limit is formed through the staggered upper ring strip 15 and the outer ring strip 13. The stacked cartons are not easily displaced. At the same time, with the rib 4 inside the carton, the compressive capacity of the entire carton is increased, and the opening 17 provides a force application point for fingers during unloading and handling.

Claims

1. A thermal insulation carton, comprising four box boards (1) constituting the front, back, left and right sides of the carton, wherein the upper and lower sides of each box board (1) are integrally formed and connected with upper and lower cover plates (2), characterized in that: Aluminum foil (5) is glued to the side of the box plate (1), and a reserved opening (6) is provided on the aluminum foil (5) at a position corresponding to the position between the adjacent upper and lower cover plates (2). One of the four box plates (1) is preset with a through opening at the upper left corner, and a metal plate (7) is glued to the inner side of the box plate (1) at the through opening position, and a transparent shell cover (9) is glued to the outer side of the metal plate (7), and the outer side of the shell cover (9) is glued and fixed to the inner wall of the through opening at the corresponding position, and a temperature measuring sticker (8) is glued to the outer side of the metal plate (7) in the shell cover (9).

2. The thermal insulation carton according to claim 1, characterized in that: A bottom plate (3) is installed on the inner side surfaces of the inner and outer side surfaces of the box plate (1), and a plurality of ribs (4) with equal spacing are installed on the inner side surface of the bottom plate (3) away from the box plate (1), and the aluminum foil (5) is fixed to the bottom plate (3) and the ribs (4) at corresponding positions.

3. The thermal insulation carton according to claim 2, characterized in that: The ribs (4) are made of paper and are arranged in a hollow triangular column structure.

4. The thermal insulation carton according to claim 1, characterized in that: The invention also comprises a lower bracket (10), wherein the lower bracket (10) comprises a support plate (12), wherein the support plate (12) is located at the bottom of the carton to form a supporting support, and outer ring strips (13) are connected to the outer circumferences of the upper and lower surfaces of the support plate (12), and the inner circumferential walls of the outer ring strips (13) on the support plate (12) abut against the outer surfaces of the box plates (1) on the four sides of the carton.

5. The thermal insulation carton according to claim 4, characterized in that: The invention also comprises an upper bracket (11), the upper bracket (11) comprising a second pallet (14), the second pallet (14) being located on the top surface of the carton to form a placement support, a lower ring strip (16) being connected to the outer peripheral position of the bottom surface of the second pallet (14), the inner peripheral wall of the lower ring strip (16) being against the outer surface of the box board (1) on the four sides of the carton, and an upper ring strip (15) being connected to the inner side position of the lower ring strip (16) corresponding to the top surface of the second pallet (14).

6. The thermal insulation carton according to claim 5, characterized in that: The outer ring strip (13) of the first support plate (12) and the upper ring strip (15) and the lower ring strip (16) of the second support plate (14) are all provided with openings (17).

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