Damp-proof durable carton

Abstract

The utility model discloses a moisture-proof durable carton, which relates to the field of cartons and comprises a carton body. The carton body comprises a carton body, an inner supporting frame and a carton cover. An inner supporting frame is installed in the box body, and a box cover is installed at the end of the box body. And a sealing block is mounted on the outer wall of the box cover. Through the matched design of the carton cover, the sealing block, the sealing cover and the side sealing strips, the sealing performance of the carton is effectively improved, internal objects can be better protected from being affected by external factors such as moisture, the sealing cover and the side sealing strips are made of PP plastic materials, certain rigidity is guaranteed, meanwhile, adhesive tape pasting and tearing off are facilitated, and the sealing effect is good. The damage to the carton body is reduced, the carton can be recycled, the use cost is reduced, meanwhile, the special inclined design and the arc-shaped fillet corners of the side sealing strips are matched with the arc-shaped fillets of the carton body and the carton cover when the sealing cover is closed, and connection is more stable.

Description

Technical Field

[0001] The utility model relates to the field of cartons, in particular to a moisture-proof and durable carton. Background Art

[0002] Cardboard boxes are the most widely used packaging products. They come in a variety of sizes and models, depending on the material used. Three-layer and five-layer cartons are common, with seven-layer cartons being less common. Each layer is divided into lining paper, corrugated paper, core paper, and face paper. Lining and face paper can be made from tea board or kraft paper, while the core paper is corrugated paper. Each type of paper has a different color and feel, and the color and feel of paper produced by different manufacturers also vary.

[0003] With the development of the times, moisture-proof cartons have appeared on the market. These mainly add nano-level moisture-proof materials to the paperboard slurry, making the paperboard more moisture-proof during the production process. In actual use, they are then used with tapes with good moisture-proof properties, such as PVC tape or waterproof tape. After being applied, these tapes can effectively prevent moisture from penetrating through the joints of the carton, making the moisture-proof cartons on the market have excellent moisture-proof effects.

[0004] However, the moisture-proof cartons mentioned above require the use of tape when sealing. After the tape is adhered to the outer surface of the carton, the outer cardboard of the carton will be stuck when the tape is removed. It is even very easy to cause the carton cover to be torn or torn off during the process of tearing off the tape. As a result, most of the current moisture-proof cartons cannot be put into secondary use after use, which will undoubtedly increase the cost of using the cartons for users. Therefore, the present application proposes a moisture-proof and durable carton to solve the above problems. Utility Model Content

[0005] Based on this, the purpose of the present invention is to provide a moisture-proof and durable carton to solve the technical problems mentioned in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a moisture-proof and durable carton, comprising a carton body; the carton body comprises a box body, an inner support frame and a box cover; an inner support frame is installed inside the box body, and a box cover is installed at the end of the box body; a sealing block is installed on the outer wall of the box cover, and when the box cover is closed, the horizontal plane at the top of the sealing block is higher than the position of the top of the box cover; a sealing cover corresponding to the sealing block is movably installed on the top of the box body, and a side sealing strip is installed on the side wall of the sealing cover, and the outer wall of the side sealing strip is in contact with the outer wall of the box body when in use, the outer wall of the sealing cover is in contact with the outer wall of the box cover when in use, and the sealing cover is located above the box cover when in use.

[0007] By adopting the above technical solution, the sealing performance of the carton is effectively improved, which can better protect the internal items from external factors such as moisture. While ensuring a certain rigidity, it is convenient to stick and tear off the tape, reducing damage to the carton body, making the carton recyclable and reducing the cost of use.

[0008] Furthermore, the inner support frame includes a support frame, an X-shaped support frame and a support column. Two groups of support frames are symmetrically installed inside the box. Multiple groups of X-shaped support frames located inside the box are installed between the two groups of support frames, and the X-shaped support frames are connected to the two groups of support frames.

[0009] By adopting the above technical solution, the support frame will cooperate with the X-shaped support frame to support the box body, thereby improving the supporting effect and stability of the box body when in use.

[0010] Furthermore, multiple groups of support columns are installed between the two groups of support frames, and both ends of the multiple groups of support columns are connected to the two groups of support frames.

[0011] By adopting the above technical solution, multiple groups of support columns will support and restrict the two groups of support frames, further improving the stability of the carton body during use.

[0012] Furthermore, the sealing cover, the side sealing strips and the outer wall of the sealing block are all made of PP plastic, and the top of the sealing cover and the top of the sealing block are located in the same plane when in use.

[0013] By adopting the above technical solution, the damage to the carton body can be effectively reduced when the tape needs to be torn off after use.

[0014] Furthermore, the side seal strip is designed to be inclined 1° toward the outer wall of the box body, and the outer wall corner of the side seal strip away from the sealing cover is designed to be arc-shaped and rounded.

[0015] By adopting the above technical solution, the connection between the side seal strip and the box body is more stable after the subsequent sealing cover is closed.

[0016] Furthermore, when the carton body is in use, the sealing block, sealing cover and side sealing strips are all located on the outer wall of the box body, and the portion of the sealing cover connected to the box body and the portion of the sealing cover located above the box body have a rotation function.

[0017] By adopting the above technical solution, it is ensured that the sealing cover can smoothly drive the side seal to rotate.

[0018] In summary, the present invention has the following beneficial effects:

[0019] 1. The utility model effectively improves the sealing of the carton through the coordinated design of the box lid, sealing block, sealing cover and side seals, and can better protect the internal items from external factors such as moisture. Because the sealing cover and side seals are made of PP plastic, while ensuring a certain rigidity, it is easy to stick and tear off the tape, reducing damage to the carton body, making the carton recyclable and reducing the cost of use. At the same time, the special inclined design and arc-shaped rounded corners of the side seals cooperate with the arc-shaped rounded corners of the box body and the box lid when the sealing cover is closed, making the connection more stable.

[0020] 2. The utility model adopts an internal support frame structure, including a support frame, an X-shaped support frame and a support column, which greatly improves the stability and supporting effect of the carton body, makes the carton body more solid and durable, and ensures that it is not easy to deform when storing items. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the three-dimensional structure of the sealing cover of the utility model during the opening process;

[0023] Figure 3 This is a schematic diagram of the three-dimensional structure of the carton body of the utility model after partial section;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the inner support frame of the utility model.

[0025] In the figure: 1. Carton body; 11. Box body; 12. Inner support frame; 121. Support frame; 122. X-shaped support frame; 123. Support column; 2. Box cover; 21. Sealing block; 3. Sealing cover; 4. Side seal. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] The following describes an embodiment of the present invention based on its overall structure.

[0028] A moisture-proof and durable carton, such as Figure 1 - Figure 4 As shown, it includes a carton body 1;

[0029] The carton body 1 in this embodiment includes a box body 11, an inner support frame 12 and a box cover 2;

[0030] Among them, an inner support frame 12 is installed inside the box body 11 to improve the stability of the entire carton body 1;

[0031] Specifically, the internal support frame 12 in this embodiment includes a support frame 121, an X-shaped support frame 122 and a support column 123, wherein two groups of support frames 121 are symmetrically installed inside the box body 11, and multiple groups of X-shaped support frames 122 located inside the box body 11 are installed between the two groups of support frames 121. At the same time, both ends of the multiple groups of X-shaped support frames 122 are connected to the two groups of support frames 121, and because the two ends of the support frame 121 and the two ends of the box body 11 are located in the same plane, when the box body 11 is in use, the support frame 121 will cooperate with the X-shaped support frame 122 to support the box body 11, thereby improving the support effect and stability of the box body 11 when in use.

[0032] In this embodiment, a box cover 2 is installed at the end of the box body 11, and a sealing block 21 is installed on the outer wall of the box cover 2. When the box cover 2 is closed, the horizontal plane of the top of the sealing block 21 is higher than the position of the top of the box cover 2, so that the sealing block 21 will protrude from the box cover 2; at the same time, a sealing cover 3 corresponding to the sealing block 21 is movably installed on the top of the box body 11. When the sealing cover 3 is in use, its outer wall will be in contact with the outer wall of the box cover 2. At this time, the sealing cover 3 is located above the box cover 2 to block the top of the box cover 2. Because the installation position of the box cover 2 is staggered with the installation position of the sealing cover 3, after the box cover 2 blocks the opening of the end of the box body 11, the sealing cover 3 is rotated to block the top and sides of the box cover 2, so that the two sides of the box cover 2 that are not connected to the box body 11 will be blocked by the sealing cover 3, effectively improving the sealing performance of the carton body 1 when in use;

[0033] In this embodiment, a side seal 4 is further installed on the side wall of the sealing cover 3. When the side seal 4 is in use, the outer wall of the side seal 4 will be in contact with the outer wall of the box body 11, further improving the shielding effect of the sealing cover 3 on the box lid 2, and further improving the sealing performance of the carton body 1 when in use;

[0034] It should be noted that the sealing cover 3, the side seals 4 and the outer wall of the sealing block 21 in this embodiment are all made of PP plastic, so that the outer sides of the sealing cover 3, the side seals 4 and the sealing block 21 have a certain rigidity. At the same time, when the sealing cover 3, the side seals 4 and the sealing block 21 are in use, the top of the sealing cover 3 and the top of the sealing block 21 are located in the same plane. At this time, the user can stick the tape on the two sealing blocks 21 and the sealing cover 3, so that the positions of the box cover 2 and the sealing cover 3 will be fixed. Then the user passes the tape through the side seals 4 and the sealing cover 3. The side of the box body 11 is wrapped at least once, so that the connection between the side seal 4 and the box body 11 is fixed, so that the carton body 1 is sealed, further improving the sealing performance of the carton body 1 when in use. At the same time, because the sealing cover 3, the side seal 4 and the outer wall of the sealing block 21 are all made of PP plastic, and the tape is adhered to the sealing cover 3, the side seal 4 and the outer wall of the sealing block 21, when the tape is subsequently torn off, damage to the carton body 1 can be effectively reduced, so that the carton body 1 can be recycled, reducing the cost of use;

[0035] Moreover, when the carton body 1 is in use, the sealing block 21, the sealing cover 3 and the side seal 4 are all located on the outer wall of the box body 11, so that the sealing cover 3, the side seal 4 and the sealing block 21 are on the outermost side. As a result, the sealing cover 3, the side seal 4 and the sealing block 21 are in contact with other external objects, which can effectively prevent the carton body 1 from being affected by external objects, and further improve the service life of the carton body 1;

[0036] At the same time, the portion where the sealing cover 3 is connected to the box body 11 and the portion of the sealing cover 3 located above the box body 11 have a rotation function, ensuring that the sealing cover 3 can rotate smoothly. The sealing cover 3 adopts thermoforming technology. Specifically, in the sealing cover 3 manufactured by the thermoforming process, the bend is formed by heating the plastic sheet to soften it, and then using a specific mold or tool. In this process, the parameters such as the heating temperature, molding pressure and molding time of the bend are precisely controlled; the appropriate heating temperature allows the plastic to reach a suitable softening degree to form a rotatable bend, and the correct molding pressure and time ensure that the structure of this part is stable and has good rotation function. For example, in the manufacture of the flip cover of some disposable plastic food boxes, the thermoforming process can accurately create a rotatable bend. (This is mainly for the existing thermoforming process manufacturing and will not be described in detail.)

[0037] See also Figure 3 and Figure 4In this embodiment, multiple groups of support columns 123 are installed between the two groups of support frames 121. At the same time, both ends of the multiple groups of support columns 123 are connected to the two groups of support frames 121, so that the two groups of support frames 121 are connected through the support columns 123. The multiple groups of support columns 123 support and restrict the two groups of support frames 121, further improving the stability of the carton body 1 during use.

[0038] See also Figure 1 and Figure 2 The side seals 4 in this embodiment are designed to be inclined 1° toward the outer wall of the box body 11 as a whole, so that the minimum spacing between the ends of the two groups of side seals 4 is less than the width of the box body 11. When the side seals 4 rotate with the sealing cover 3, the box cover 2 is already closed at this time. After the box cover 2 is closed, the position where it is connected to the box body 11 will be designed with an arc-shaped rounded corner. Because the outer wall corner of the side seal 4 away from the sealing cover 3 is designed with an arc-shaped rounded corner, the end of the side seal 4 will contact the arc-shaped rounded corner of the connection position between the box body 11 and the box cover 2. At this time, the arc-shaped rounded corner of the connection position between the box body 11 and the box cover 2 will cooperate with the arc-shaped rounded corner of the end of the side seal 4 to guide the side seal 4, causing the side seal 4 to expand outward, so that after the subsequent sealing cover 3 is closed, the connection between the side seal 4 and the box body 11 is more stable.

[0039] The working principle of the present invention is as follows: when the box body 11 is needed, firstly, the items are placed in the box body 11, and then the box cover 2 is closed so that the box cover 2 covers the opening at the end of the box body 11 to shield the box body 11;

[0040] Then, the sealing cover 3 is rotated so that its outer wall gradually sticks to the outer wall of the box cover 2, and is located above the box cover 2 to block the top of the box cover 2. Since the installation position of the box cover 2 and the installation position of the sealing cover 3 are staggered, the sealing cover 3 blocks the two sides of the box cover 2 that are not connected to the box body 11; at the same time, the rotation of the sealing cover 3 will drive the side seals 4 to move. Since the side seals 4 are designed to be inclined 1° toward the outer wall of the box body 11 as a whole, during the rotation of the sealing cover 3, the arc-shaped fillet at the connection position between the box cover 2 and the box body 11 contacts the arc-shaped fillet at the end of the side seals 4 and guides the side seals 4 to expand outward, thereby improving the fit and stability between the side seals 4 and the box body 1;

[0041] Finally, the user sticks the tape on the two sealing blocks 21 and the sealing cover 3 to fix the position of the box cover 2 and the sealing cover 3, and then wraps the tape around the side of the box body 11 through the side seal 4 and the sealing cover 3 for at least one circle to fix the connection between the side seal 4 and the box body 11, so that the carton body is sealed, achieving the effect of improving the sealing of the carton, reducing costs and enhancing stability due to its recyclability.

[0042] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not limitations on the present invention. The specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and purpose of the present invention, but as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A moisture-proof and durable carton, characterized in that: It includes a carton body (1); The carton body (1) comprises a box body (11), an inner support frame (12) and a box cover (2); An inner support frame (12) is installed inside the box body (11), and a box cover (2) is installed at the end of the box body (11); A sealing block (21) is installed on the outer wall of the box cover (2); when the box cover (2) is closed, the horizontal plane at the top end of the sealing block (21) is higher than the position of the top end of the box cover (2); A sealing cover (3) corresponding to the sealing block (21) is movably mounted on the top of the box body (11), and a side sealing strip (4) is mounted on the side wall of the sealing cover (3). When in use, the outer wall of the side sealing strip (4) is in contact with the outer wall of the box body (11). When in use, the outer wall of the sealing cover (3) is in contact with the outer wall of the box cover (2), and the sealing cover (3) is located above the box cover (2).

2. A moisture-proof and durable carton according to claim 1, characterized in that: The inner support frame (12) comprises a support frame (121), an X-shaped support frame (122) and a support column (123); two groups of the support frames (121) are symmetrically installed inside the box body (11); multiple groups of X-shaped support frames (122) located inside the box body (11) are installed between the two groups of the support frames (121), and the X-shaped support frames (122) are connected to the two groups of the support frames (121).

3. The moisture-proof and durable carton according to claim 2, characterized in that: Multiple groups of support columns (123) are installed between the two groups of support frames (121), and both ends of the multiple groups of support columns (123) are connected to the two groups of support frames (121).

4. The moisture-proof and durable carton according to claim 1, characterized in that: The sealing cover (3), the side sealing strip (4) and the outer wall of the sealing block (21) are all made of PP plastic. When in use, the top of the sealing cover (3) and the top of the sealing block (21) are located in the same plane.

5. The moisture-proof and durable carton according to claim 1, characterized in that: The side seal strip (4) is designed to be inclined 1° toward the outer wall of the box body (11) as a whole, and the outer wall corner of the side seal strip (4) away from the sealing cover (3) is designed to be arc-shaped and rounded.

6. The moisture-proof and durable carton according to claim 1, characterized in that: When the carton body (1) is in use, the sealing block (21), the sealing cover (3) and the side sealing strip (4) are all located on the outer wall of the box body (11), and the portion where the sealing cover (3) is connected to the box body (11) and the portion where the sealing cover (3) is located above the box body (11) have a rotation function.

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