Packaging carton with heat preservation structure

Abstract

The utility model discloses a packaging carton with a heat preservation structure, which relates to the technical field of cartons and comprises an outer carton, a first square ring paperboard is fixedly connected to the top surface of the outer carton, lock catches are fixedly connected to two sides of the top surface of the first square ring paperboard, and a plurality of equidistant semi-cylindrical guide grooves are vertically formed in the inner walls of the periphery in the outer carton. An inner paper box is arranged on the inner side of the semi-cylindrical guide groove, and a plurality of semi-cylindrical guide blocks are vertically and fixedly connected to the outer surface of the periphery of the inner paper box at equal intervals. Through cooperation of the outer carton body and the inner carton body, the thickness is increased conveniently, the double-layer heat preservation effect is achieved, the heat preservation effect is improved, and therefore the heat preservation function is achieved, through cooperation of the semi-cylindrical guide grooves, the clamping grooves, the clamping blocks and the semi-cylindrical guide blocks, the carton is convenient to install and lock, the use efficiency and stability of the carton are improved, and the service life of the carton is prolonged. Therefore, the function of quickly and stably packaging materials is achieved, and finally the problems that a packaging carton is poor in heat preservation effect and inconvenient and unstable in packaging are solved.

Description

Technical Field

[0001] This utility model relates to the field of cardboard box technology, and in particular to a packaging cardboard box with a heat-insulating structure. Background Technology

[0002] Based on existing cold chain and other materials requiring insulation transportation and storage, the use of cardboard boxes necessitates extensive manual sealing with tape, resulting in weak adhesion, inconvenience, and low efficiency. Furthermore, the single insulation layer leads to poor insulation performance. With the development of manufacturing, some simple insulated cardboard boxes have emerged. While they are more convenient to seal, their poor sealing and unstable operation cause rapid heat dissipation, resulting in poor insulation. Existing packaging cardboard boxes with insulation structures suffer from poor insulation performance, inconvenient packaging, and instability. Therefore, solutions to the aforementioned technical problems are needed. Utility Model Content

[0003] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a packaging carton with an insulated structure.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a packaging carton with a heat-insulating structure, comprising an outer carton, a first square ring cardboard fixedly connected to the top surface of the outer carton, latches fixedly connected to both sides of the top surface of the first square ring cardboard, and a plurality of equidistant semi-cylindrical guide grooves vertically opened on the inner walls of the outer carton, an inner carton provided inside the semi-cylindrical guide grooves, and a plurality of equidistant semi-cylindrical guide blocks vertically fixed to the outer surface of the inner carton, the semi-cylindrical guide blocks being placed inside the semi-cylindrical guide grooves.

[0005] Preferably, the bottom surface of the outer carton has multiple equidistant snap-fit ​​slots around its perimeter.

[0006] Preferably, a handle is fixedly connected to the center of the top surface of the inner carton, and locking hooks are provided on both sides of the handle. The locking hooks are fixedly connected to the top surface of the inner carton, and a second square ring cardboard is fixedly connected to the bottom surface of the inner carton. Multiple equidistant snap-fit ​​blocks are fixedly connected around the bottom surface of the second square ring cardboard, and the snap-fit ​​blocks snap into snap-fit ​​grooves.

[0007] Preferably, the outer surface of the outer carton is a first layer of cardboard, a first layer of foam board is fixed to the inner wall of the first layer of cardboard, a second layer of cardboard is fixed to the inner wall of the first layer of foam board, a third layer of cardboard is provided inside the second layer of cardboard, and a first layer of insulation cotton is filled between the second layer of cardboard and the third layer of cardboard, and the top surface of the third layer of cardboard is fixed to the bottom surface of the first square ring cardboard.

[0008] Preferably, the outer surface of the inner cardboard box is a fourth layer of cardboard, the inner wall of the fourth layer of cardboard is fixed with a second layer of foam board, the inner wall of the second layer of foam board is fixed with a fifth layer of cardboard, the inner side of the fifth layer of cardboard is provided with a sixth layer of cardboard, and a second layer of insulation cotton is filled between the fifth layer of cardboard and the sixth layer of cardboard. The inner wall of the sixth layer of cardboard is fixed with an aluminum foil sheet, and the bottom surface of the sixth layer of cardboard is fixed to the top surface of the second square ring cardboard.

[0009] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model, through the cooperation of the outer carton and the inner carton, facilitates the increase of thickness to achieve a double-layer insulation effect, thereby improving the insulation effect and realizing the insulation function. Furthermore, through the cooperation of the semi-cylindrical guide groove and the snap-fit ​​groove with the snap-fit ​​block and the semi-cylindrical guide block, it is easy to install and lock the carton, improving the efficiency and stability of the carton, thereby realizing the function of quickly and securely packaging materials, and ultimately solving the problems of poor insulation effect and inconvenient and unstable packaging of cartons. Attached Figure Description

[0010] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0011] Figure 1 This is a schematic diagram of the overall structure proposed in this utility model;

[0012] Figure 2 This is a schematic diagram of the outer cardboard box structure proposed in this utility model;

[0013] Figure 3 This is a schematic diagram of the inner cardboard box structure proposed in this utility model;

[0014] Figure 4 This is a schematic diagram of the internal structure of the inner carton proposed in this utility model;

[0015] Figure 5 This is a schematic diagram of the first cross-sectional structure proposed in this utility model;

[0016] Figure 6 This is a schematic diagram of the second cross-sectional structure proposed in this utility model;

[0017] Figure 7 The present utility model proposes Figure 2 Enlarged schematic diagram of the structure at part A in the middle;

[0018] Figure 8 The present utility model proposes Figure 3 Enlarged schematic diagram of the structure of part B in the middle;

[0019] Figure 9The present utility model proposes Figure 5 Enlarged schematic diagram of the structure at part C;

[0020] Figure 10 The present utility model proposes Figure 6 Enlarged schematic diagram of the structure in section D;

[0021] Figure 11 The present utility model proposes Figure 6 Enlarged schematic diagram of the structure at part E in the middle.

[0022] The numbers in the diagram are: 1. Outer cardboard box; 2. First square ring cardboard; 3. Lock; 4. Inner cardboard box; 5. Lock hook; 6. Handle; 7. Semi-cylindrical guide groove; 8. Semi-cylindrical guide block; 9. Clip groove; 10. Clip block; 11. First layer cardboard; 12. First layer foam board; 13. Second layer cardboard; 14. First insulation cotton; 15. Third layer cardboard; 16. Fourth layer cardboard; 17. Second layer foam board; 18. Fifth layer cardboard; 19. Second insulation cotton; 20. Sixth layer cardboard; 21. Aluminum foil sheet; 22. Second square ring cardboard. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example: See Figure 1-11This utility model discloses a packaging carton with a heat-insulating structure, comprising an outer carton 1 for easy installation of an inner carton 4; a first square ring cardboard 2 is fixedly attached to the top surface of the outer carton 1 for easy fixing of a locking buckle 3; locking buckles 3 are fixedly attached to both sides of the top surface of the first square ring cardboard 2 for easy engagement with locking hooks 5 to lock the inner carton 4; and multiple equidistant semi-cylindrical guide grooves 7 are vertically opened on the inner walls of the outer carton 1 for easy movement of the inner carton 4; the inner carton 4 is located inside the semi-cylindrical guide grooves 7 for easy fixing of semi-cylindrical guide blocks 8; multiple equidistant semi-cylindrical guide blocks 8 are vertically fixed to the outer surface of the inner carton 4 for easy engagement with the semi-cylindrical guide grooves 7; the semi-cylindrical guide blocks 8 are placed within the semi-cylindrical guide grooves 7. The semi-cylindrical guide groove 7 facilitates the vertical movement of the inner carton 4; multiple equidistant snap-fit ​​grooves 9 are opened around the bottom surface of the outer carton 1, which facilitates the fixing of the inner carton 4 inside the outer carton 1; a handle 6 is fixedly connected to the center of the top surface of the inner carton 4, which facilitates the pulling out of the inner carton 4; hooks 5 are provided on both sides of the handle 6, which facilitates the locking of the carton with the locking buckle 3; the hooks 5 are fixedly connected to the top surface of the inner carton 4, which facilitates the fixing of the hooks 5 through the inner carton 4; and a second square ring cardboard 22 is fixedly connected to the bottom surface of the inner carton 4, which facilitates the sealing of the inner carton 4; multiple equidistant snap-fit ​​blocks 10 are fixedly connected around the bottom surface of the second square ring cardboard 22, which facilitates the connection of the outer carton 1 and the inner carton 4 through the snap-fit ​​blocks 10; the snap-fit ​​blocks 10 are snapped into the snap-fit ​​grooves 9, which facilitate the fixing of the snap-fit ​​blocks 10 through the snap-fit ​​grooves 9.

[0025] In this invention, the outer surface of the outer cardboard box 1 is a first layer of cardboard 11, which facilitates the installation of a first layer of foam board 12; the inner wall of the first layer of cardboard 11 is fixedly connected to the first layer of foam board 12, which facilitates insulation and the installation of a second layer of cardboard 13; the inner wall of the first layer of foam board 12 is fixedly connected to the second layer of cardboard 13, which facilitates the filling of a first layer of insulation cotton 14; a third layer of cardboard 15 is provided on the inner side of the second layer of cardboard 13, which facilitates locking the first layer of insulation cotton 14; and the first layer of insulation cotton 14 is filled between the second layer of cardboard 13 and the third layer of cardboard 15, which facilitates insulation; the third layer of cardboard 15 is fixedly connected to the top surface of the first layer of cardboard 11 to the bottom surface of a first square ring cardboard 2, which facilitates sealing the outer cardboard box 1; the outer surface of the inner cardboard box 4 is a fourth layer of cardboard 16. The fourth layer of cardboard 16 facilitates the installation of the second layer of foam board 17; the second layer of foam board 17 is fixed to the inner wall of the fourth layer of cardboard 16, which facilitates insulation and the installation of the fifth layer of cardboard 18; the fifth layer of cardboard 18 is fixed to the inner wall of the second layer of foam board 17, which facilitates the filling of the second insulation cotton 19; a sixth layer of cardboard 20 is provided inside the fifth layer of cardboard 18, which facilitates locking the second insulation cotton 19; and the second insulation cotton 19 is filled between the fifth layer of cardboard 18 and the sixth layer of cardboard 20, which facilitates insulation; an aluminum foil sheet 21 is fixed to the inner wall of the sixth layer of cardboard 20, which facilitates heat reflection for insulation; and the bottom surface of the sixth layer of cardboard 20 is fixed to the top surface of the second square ring cardboard 22, which facilitates sealing the inner carton 4.

[0026] Working principle: When using this utility model, first place the outer carton 1 stably, then lift the inner carton 4 using the handle 6, then align the semi-cylindrical guide block 8 with the semi-cylindrical guide groove 7, then put the inner carton 4 into the outer carton 1, and press down when the inner carton 4 touches the bottom so that the snap-fit ​​block 10 snaps into the snap-fit ​​groove 9, then pry the latch 3 inward and hook it into the latch hook 5 to fix the carton.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A packaging carton with a heat-insulating structure, comprising an outer carton (1), characterized in that: The top surface of the outer carton (1) is fixed with a first square ring cardboard (2), and the top surfaces of the first square ring cardboard (2) are fixed with buckles (3). The inner walls of the outer carton (1) are vertically opened with multiple equidistant semi-cylindrical guide grooves (7). The inner carton (4) is provided inside the semi-cylindrical guide grooves (7). The outer surfaces of the inner carton (4) are vertically fixed with multiple equidistant semi-cylindrical guide blocks (8). The semi-cylindrical guide blocks (8) are placed inside the semi-cylindrical guide grooves (7).

2. A packaging carton with a heat-insulating structure according to claim 1, characterized in that: The outer carton (1) has multiple equally spaced snap-fit ​​slots (9) around the bottom surface of its inner surface.

3. A packaging carton with a heat-insulating structure according to claim 1, characterized in that: A handle (6) is fixed to the center of the top surface of the inner carton (4). Hooks (5) are provided on both sides of the handle (6). The hooks (5) are fixed to the top surface of the inner carton (4). A second square ring cardboard (22) is fixed to the bottom surface of the inner carton (4). Multiple equally spaced snap-fit ​​blocks (10) are fixed around the bottom surface of the second square ring cardboard (22). The snap-fit ​​blocks (10) snap into the snap-fit ​​groove (9).

4. A packaging carton with a heat-insulating structure according to claim 1, characterized in that: The outer surface of the outer cardboard box (1) is a first layer of cardboard (11). A first layer of foam board (12) is fixed to the inner wall of the first layer of cardboard (11). A second layer of cardboard (13) is fixed to the inner wall of the first layer of foam board (12). A third layer of cardboard (15) is provided inside the second layer of cardboard (13). A first layer of insulation cotton (14) is filled between the second layer of cardboard (13) and the third layer of cardboard (15). The third layer of cardboard (15) is fixed to the top surface of the first layer of cardboard (11) and the bottom surface of the first square ring cardboard (2).

5. A packaging carton with a heat-insulating structure according to claim 1, characterized in that: The outer surface of the inner cardboard box (4) is a fourth layer of cardboard (16). A second layer of foam board (17) is fixed to the inner wall of the fourth layer of cardboard (16). A fifth layer of cardboard (18) is fixed to the inner wall of the second layer of foam board (17). A sixth layer of cardboard (20) is provided inside the fifth layer of cardboard (18). A second layer of insulation cotton (19) is filled between the fifth layer of cardboard (18) and the sixth layer of cardboard (20). An aluminum foil sheet (21) is fixed to the inner wall of the sixth layer of cardboard (20). The bottom surface of the sixth layer of cardboard (20) is fixed to the top surface of the second square ring cardboard (22).

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