Moisture-proof food packaging box

Abstract

The utility model belongs to food packing box technical field discloses a kind of moistureproof food packing boxes, including box body, box body two sides are connected positioning seat, positioning seat side is rotatably connected with pull ring, box body upper end is connected with upper sealing cover, upper sealing cover upper end is connected with handle, box body side is provided with storage box, cover plate is installed in storage box outside, box body upper end inner wall is provided with limiting slot, handle two ends are connected with limiting block, limiting block lower end extends to the inside of limiting slot.The moistureproof food packing box, optimization packing box's opening and closing operation and carrying experience, pull ring and handle design let open, transport more convenient, the cooperation structure of handle and limiting block, limiting slot, can fix handle position and strengthen the sealing stability of upper sealing cover, the snap connection of cover plate and storage box then realizes the quick opening and closing and sealing of storage structure, overall improvement use convenience and upper end sealing moistureproof effect.

Description

Technical Field

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

[0002] Food packaging boxes are containers made of food-grade materials and used to contain and protect food and convey product information. They are the core carriers of "freshness protection, circulation assurance, and consumer guidance" in the food industry chain. Their performance directly affects the shelf life of food, transportation loss rate, and consumer purchasing decisions. They play an irreplaceable role in the fields of snack foods, baked goods, and dried grains. Existing food packaging boxes cannot guarantee effective sealing and moisture protection after being opened.

[0003] A moisture-proof food packaging box, such as the one described in Chinese patent application CN202020172233.0, includes a moisture-proof base, a moisture-proof support block, a waterproof layer, a right moisture-proof interlayer, a left moisture-proof interlayer, a cardboard insert, a limiting strip, and a support rod. The moisture-proof base is adhered to the lower end face of the main body of the packaging box, the moisture-proof support block is installed on the lower end face of the moisture-proof base, the right moisture-proof interlayer is located on the right side of the inside of the main body of the packaging box, the left moisture-proof interlayer is located on the left side of the inside of the main body of the packaging box, the waterproof layer is adhered to the inner wall of the main body of the packaging box, and limiting strips are symmetrically installed on the left and right sides of the inner wall of the waterproof layer. A cardboard insert is placed on the upper end face of the limiting strip, and a support rod is supported on the lower end face of the cardboard insert.

[0004] While existing packaging boxes can prevent food from getting damp when closed, they do not have dehumidification capabilities and cannot prevent food from getting damp due to moisture in the air when frequently opened.

[0005] Therefore, we propose a moisture-proof food packaging box to solve the problems mentioned above. Utility Model Content

[0006] The purpose of this utility model is to provide a moisture-proof food packaging box to solve the problem mentioned in the background art that existing food packaging boxes do not have dehumidification function and it is difficult to prevent humid air from entering the box when frequently taking out food.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a moisture-proof food packaging box, comprising a box body:

[0008] The box body is connected to positioning seats on both sides, and a pull ring is rotatably connected to the side of the positioning seat. The upper end of the box body is connected to a sealing cover, and the upper end of the sealing cover is connected to a handle.

[0009] A storage box is provided on the side of the box body, and a cover plate is installed on the outside of the storage box. A limiting groove is opened on the upper inner wall of the box body, and a limiting block is connected to both ends of the handle. The lower end of the limiting block extends into the limiting groove.

[0010] Preferably, the lower end of the cover plate is rotatably connected to the outer wall of the box, the inner side of the cover plate is snapped into the storage box, and the upper end of the cover plate is connected to an elastic buckle that snaps into the box.

[0011] By adopting the above technical solution, the design of the storage box facilitates the placement of desiccants and dehumidifiers, and the lid seals the outside of the storage box. The lid is connected to the box body with elastic buckles, making operation simple and convenient. This structure facilitates the replacement of desiccants and dehumidifiers and prevents them from mixing with food, thus preventing children from accidentally ingesting desiccants.

[0012] Preferably, the storage box extends into the interior of the box body, and ventilation holes are arrayed on the inner side of the storage box.

[0013] By adopting the above technical solution, the storage box extends into the interior of the box body and has ventilation holes. Desiccants and other moisture-proof materials can be placed inside the storage box. The ventilation holes allow the moisture-proof materials to fully function, continuously absorbing moisture inside the box and improving the overall moisture-proof effect.

[0014] Preferably, the upper sealing cover is engaged with the box body, the upper end of the upper sealing cover has a spherical groove, the handle is connected to the inner wall of the groove at the upper end of the upper sealing cover, and the middle of the handle has a through hole.

[0015] Using the above technical solution, the upper sealing cover is snapped into the box body, which provides a good sealing effect and is easy to open and close. The spherical groove is adapted to the handle installation, and the through hole in the middle of the handle reduces the overall weight and makes it easy for fingers to pass through and pull, thus improving carrying comfort.

[0016] Preferably, the limiting block is slidably connected to the handle, the limiting block is designed in a "C" shape, the inner wall of the handle is fixed with a guide rod, a return spring is sleeved on the outside of the guide rod, the guide rod is slidably connected to the limiting block, the two ends of the return spring are respectively connected to the limiting block and the inner wall of the handle, the lower end of the limiting block is designed in a wedge shape, and the limiting block is engaged with the limiting groove.

[0017] Using the above technical solution, the limiting block and the handle are slidably connected. With the help of the guide rod and the return spring, the limiting block can automatically reset and engage with the limiting groove. The wedge-shaped design of the limiting block makes the handle installation smoother. After the limiting block and the limiting groove are engaged, a reliable seal can be maintained between the upper sealing cover and the box body. Compared with the traditional threaded connection method, it is simple to operate and convenient for food to be put in and taken out.

[0018] Preferably, the bottom of the box is connected to a vent plate, the bottom of the box has an assembly hole, the lower end of the box is threadedly connected to a lower sealing cover through the assembly hole, and the upper end of the lower sealing cover has a placement groove.

[0019] Using the above technical solution, the breathable plate separates the bottom of the box from the lower sealing cover, the slot can hold the moisture-proof material, and the threaded lower sealing cover is easy to disassemble and replace the moisture-proof material. At the same time, it can seal the bottom of the box, blocking moisture from entering from the bottom and further improving the moisture-proof performance.

[0020] Compared with the prior art, the beneficial effects of this utility model are: the moisture-proof food packaging box;

[0021] 1. Optimize the opening and closing operation and carrying experience of the packaging box. The pull ring and handle design makes opening and carrying more convenient. The structure of the handle and the limiting block and limiting groove can fix the position of the handle and enhance the sealing stability of the upper sealing cover. The snap connection between the cover and the storage box realizes the quick opening and closing and sealing of the storage structure, which improves the overall convenience of use and the sealing and moisture-proof effect of the top.

[0022] 2. Enhanced overall moisture-proof performance, with storage space for desiccants or dehumidifiers, actively managing moisture inside the box and isolating it from food to avoid accidental ingestion. The desiccant is easy to replace, making the packaging reusable and more environmentally friendly. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a cross-sectional view of the handle structure of this utility model;

[0025] Figure 3 This is a schematic diagram of the storage box and cover structure of this utility model;

[0026] Figure 4 This is a cross-sectional view of the box body of this utility model;

[0027] Figure 5 This is a schematic diagram of the structure of Embodiment 2 of this utility model;

[0028] Figure 6 This is a schematic diagram of the box body and the breathable plate structure of this utility model.

[0029] In the diagram: 1. Box body; 2. Positioning seat; 3. Pull ring; 4. Upper sealing cover; 5. Handle; 6. Storage box; 7. Cover plate; 8. Limiting groove; 9. Limiting block; 10. Guide rod; 11. Return spring; 12. Ventilation plate; 13. Lower sealing cover; 14. Placement groove. Detailed Implementation

[0030] 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.

[0031] Example 1, please refer to Figure 1-4 This utility model provides a technical solution: a moisture-proof food packaging box, including a box body 1, positioning seats 2 connected to both sides of the box body 1, pull rings 3 rotatably connected to the sides of the positioning seats 2, an upper sealing cover 4 connected to the upper end of the box body 1, and a handle 5 connected to the upper end of the upper sealing cover 4. The positioning seats 2 on both sides of the box body 1 are integrally molded, and the pull rings 3 are rotatably connected to them for easy handling with both hands; a rubber sealing ring is connected to the lower side of the upper sealing cover 4, which can improve the sealing effect and installation stability after engaging with the box body 1. After the box body 1 and the upper sealing cover 4 are fixed, the entire food packaging box can also be lifted directly through the handle 5, and the through hole in the middle of the handle 5 facilitates hand handling.

[0032] A storage box 6 is provided on the side of the box body 1. A cover plate 7 is installed on the outside of the storage box 6. The lower end of the cover plate 7 is rotatably connected to the outer wall of the box body 1, and the inner side of the cover plate 7 is snapped into the storage box 6. An elastic buckle is connected to the upper end of the cover plate 7, and the elastic buckle is snapped into the box body 1. The storage box 6 extends into the interior of the box body 1, and ventilation holes are arranged in an array on the inner side of the storage box 6. The storage box 6 can be used to fill moisture-proof materials. Press the elastic buckle at the upper end of the cover plate 7 to disengage it from the buckle groove of the box body 1. Flip the cover plate 7 upward around the hinge to expose the outer opening of the storage box 6. Place granular or bagged desiccant into the storage box 6. When closing the cover plate 7, rotate the cover plate 7 and then gently press the upper end of the cover plate 7 so that the elastic buckle at the upper end of the cover plate 7 is snapped into the corresponding groove on the outside of the box body 1. A sealing ring is connected between the groove of the cover plate 7 and the box body 1 to prevent external moisture from entering the storage box 6.

[0033] A limiting groove 8 is formed on the inner wall of the upper end of the box body 1. The handle 5 is connected to the two ends of the limiting block 9, and the lower end of the limiting block 9 extends into the limiting groove 8. The upper sealing cover 4 is engaged with the box body 1. The upper end of the upper sealing cover 4 has a spherical groove. The handle 5 is connected to the inner wall of the groove at the upper end of the upper sealing cover 4. A through hole is formed in the middle of the handle 5. The limiting block 9 is slidably connected to the handle 5. The limiting block 9 has a "C" shape design. The inner wall of the handle 5 is fixed with a guide rod 10. A return spring 11 is sleeved on the outside of the guide rod 10. The guide rod 10 is slidably connected to the limiting block 9. The two ends of the return spring 11 are connected to the limiting block 9 and the inner wall of the handle 5, respectively. The lower end of the limiting block 9 has a wedge shape design, and the limiting block 9 is engaged with the limiting groove 8. The upper sealing cover 4 and the box body 1 can be quickly and easily engaged, improving the convenience of subsequent food handling. After handling, align the upper sealing cover 4 with the upper opening of the box body 1 and press it down to engage with the box body 1. At this time, under the elastic force of the return spring 11, the lower wedge-shaped part of the limiting blocks 9 at both ends of the handle 5 naturally embeds into the limiting groove 8 of the box body 1. Through the self-locking effect of the wedge structure, the upper sealing cover 4 is further fixed. When the upper sealing cover 4 is installed, it squeezes the mating rubber sealing ring, which effectively fills the connection gap and prevents moisture from entering due to loosening. When opening the packaging box, press the limiting blocks 9 on both sides towards the middle of the handle 5 to compress the return spring 11, causing the lower end of the limiting block 9 to disengage from the limiting groove 8. Then, hold the handle 5 and pull upward to easily open the upper sealing cover 4. No additional tools are required for the operation.

[0034] Example 2, please refer to Figure 5 - Figure 6 This utility model provides a technical solution: The difference between this embodiment and Embodiment 1 lies in the installation position and method of the dehumidifying consumables. A breathable plate 12 is connected to the bottom of the box body 1, and an assembly hole is opened at the bottom of the box body 1. A lower sealing cover 13 is threadedly connected to the lower end of the box body 1 through the assembly hole, and a placement groove 14 is opened at the upper end of the lower sealing cover 13. The breathable plate 12 is made of food-grade breathable non-woven fabric or microporous plastic plate, and is horizontally connected to the inner side of the bottom of the box body 1 by injection molding or snap-fit ​​fixing, completely covering the assembly hole, which allows moisture inside the box to penetrate downwards, while preventing food from falling or debris from entering the bottom area. When assembling the moisture-proof material, rotate the lower sealing cap 13 to separate it from the threaded assembly hole at the bottom of the box body 1. After removing the lower sealing cap 13, place the desiccant into the placement slot 14, and then tighten the lower sealing cap 13 to align with the assembly hole to achieve a bottom seal. During moisture-proof operation, the moisture inside the box is conducted downwards through the pores of the vent plate 12 to the desiccant in the placement slot 14, achieving bottom moisture absorption. When replacing the desiccant, simply unscrew the lower sealing cap 13 again, remove the old desiccant, put in the new desiccant, and tighten it again. The operation is convenient and does not affect the storage of food inside the box, continuously ensuring the moisture-proof effect.

[0035] This completes a series of tasks. The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A moisture-proof food packaging box, comprising a box body (1), characterized in that: The box body (1) is connected to positioning seats (2) on both sides. A pull ring (3) is rotatably connected to the side of the positioning seat (2). The upper end of the box body (1) is connected to an upper sealing cover (4). The upper end of the upper sealing cover (4) is connected to a handle (5). The box body (1) has a storage box (6) on its side, and a cover plate (7) is installed on the outside of the storage box (6). A limiting groove (8) is opened on the upper inner wall of the box body (1). The handle (5) is connected to a limiting block (9) at both ends, and the lower end of the limiting block (9) extends into the limiting groove (8).

2. The moisture-proof food packaging box according to claim 1, characterized in that: The lower end of the cover plate (7) is rotatably connected to the outer wall of the box body (1), the inner side of the cover plate (7) is engaged with the storage box (6), and the upper end of the cover plate (7) is connected to an elastic buckle, which engages with the box body (1).

3. A moisture-proof food packaging box according to claim 2, characterized in that: The storage box (6) extends into the interior of the box body (1), and ventilation holes are arranged in an array on the inner side of the storage box (6).

4. A moisture-proof food packaging box according to claim 1, characterized in that: The upper sealing cover (4) is engaged with the box body (1). A spherical groove is opened at the upper end of the upper sealing cover (4). The handle (5) is connected to the inner wall of the groove at the upper end of the upper sealing cover (4). A through hole is opened in the middle of the handle (5).

5. A moisture-proof food packaging box according to claim 1, characterized in that: The limiting block (9) is slidably connected to the handle (5). The limiting block (9) is designed in a "C" shape. The inner wall of the handle (5) is fixed with a guide rod (10). A reset spring (11) is sleeved on the outside of the guide rod (10). The guide rod (10) is slidably connected to the limiting block (9). The two ends of the reset spring (11) are respectively connected to the inner wall of the limiting block (9) and the handle (5). The lower end of the limiting block (9) is designed in a wedge shape, and the limiting block (9) is engaged with the limiting groove (8).

6. A moisture-proof food packaging box according to claim 1, characterized in that: The bottom of the box (1) is connected to a breathable plate (12), and an assembly hole is opened at the bottom of the box (1). The lower end of the box (1) is threadedly connected to a lower sealing cover (13) through the assembly hole, and a placement groove (14) is opened at the upper end of the lower sealing cover (13).

Images