Packaging box capable of prolonging shelf life of eggs

Abstract

The utility model relates to the technical field of egg packaging, in particular to a packaging box capable of prolonging the shelf life of eggs, which comprises a box body, a box cover is pressed at the upper end of the box body, a plurality of placing trays are placed in the box body, a plurality of placing grooves are uniformly arranged on the placing trays, and the placing trays are arranged in the placing grooves. A plurality of ventilation grooves are evenly formed in each containing disc, partition plates are installed at the upper ends and the lower ends of the containing discs respectively, foam pads are arranged between the adjacent containing discs, the two partition plates abut against the foam pads respectively, a fresh-keeping assembly is arranged at one end of the bottom face of the box body, a check block is arranged on the fresh-keeping assembly, and the check blocks abut against the partition plates. A storage groove is formed in the bottom face in the box body. According to the utility model, the problem of non-uniform temperature distribution caused by fixed positions of ice bags or ice cubes is avoided, circulating conveying of low-temperature air is realized, the cooling efficiency is improved, and the low temperature of the ice bags or the ice cubes can be transferred to eggs more quickly, so that the refreshing time of the eggs is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of egg packaging, in particular to a packaging box for extending the shelf life of eggs. Background Art

[0002] In the field of food preservation, especially for perishable foods such as eggs, how to effectively extend their shelf life is a topic of continuous concern. In order to maintain a relatively stable environment inside the egg box and reduce the impact of external air, humidity and microorganisms on the eggs, egg preservation packaging boxes usually have good sealing performance;

[0003] After searching, the existing Chinese patent with publication number CN212952121U is titled as an egg preservation packaging box, which uses a bottom plate and a cover plate with the same structure, saving design costs and facilitating production. A single mold is sufficient, thus saving costs. At the same time, by placing an ice bag in the storage compartment, the use of the packaging box is increased. At the same time, the ice bag can cool the entire packaging box to keep the eggs fresh.

[0004] However, during use, it was found that when using ice bags for cooling and preservation, the position of the ice bags and the radiation range were relatively fixed, the air flow was poor, and the cooling effect was limited, which made it difficult for the low temperature of the ice bags to be evenly transmitted to every corner of the packaging box, thus affecting the preservation effect of the eggs. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a packaging box that extends the shelf life of eggs, avoids the problem of uneven temperature distribution caused by the fixed position of ice bags or ice cubes, realizes the circulation and transportation of low-temperature air, improves the cooling efficiency, and enables the low temperature of the ice bags or ice cubes to be transferred to the eggs more quickly, thereby extending the shelf life of the eggs.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a packaging box for extending the shelf life of eggs, comprising a box body, a box cover pressed on the upper end of the box body, a plurality of placement trays placed inside the box body, a plurality of placement slots arranged in a uniform structure on the placement tray, a plurality of ventilation slots arranged in a uniform structure on the placement tray, partition plates are respectively installed at the upper and lower ends of the placement tray, a foam pad is provided between adjacent placement trays, two of the partition plates are respectively in contact with the foam pads, a fresh-keeping component is provided at one end of the bottom surface of the box body, a block is provided on the fresh-keeping component, a storage slot is provided on the bottom surface of the box body, the outer peripheral wall of the block is snap-fitted with the upper end of the storage slot, a through slot is provided on the top surface of the block, and fan blades are provided inside the through slot.

[0007] Furthermore, a plurality of connecting blocks are fixedly provided at the four corners of the top surface of the placement plate, a handle is fixedly provided between the two connecting blocks located on the same side, a plurality of supporting blocks are fixedly provided at the four corners of the bottom surface of the placement plate, a slot is provided on the top surface of the connecting block, an insert block is fixedly provided on the bottom surface of the supporting block, and the lower end of the insert block is plugged into and matched with the upper end of the connecting block through the slot.

[0008] Through the above technical solution, the lower end of the insert block is plugged into the upper end of the connecting block through the slot, which enhances the structural strength of the placement tray, facilitates the stacking of the placement trays, and saves storage space.

[0009] Furthermore, a plurality of through holes are respectively opened at the four corners of the foam pad, the lower end of the plug block is plugged into the through holes, the top surface of the foam pad abuts against the bottom surface of the connecting block, and the bottom surface of the foam pad abuts against the top surface of the supporting block.

[0010] Through the above technical solution, the use of foam pads reduces the occurrence of damage to eggs caused by bumps, collisions, and falls during transportation and movement, thereby protecting the integrity of the eggs.

[0011] Furthermore, mounting grooves are respectively provided at the four corners of the bottom surface of the box body, and damping spring shock absorbers are installed at the bottom of the mounting grooves, and the top surface of the damping spring shock absorber abuts against the bottom surface of the insert block.

[0012] Through the above technical solution, when the box body is subjected to external impact or vibration, the damping spring shock absorber absorbs and disperses the impact force, protecting the eggs from damage.

[0013] Furthermore, the outer peripheral wall of the box body and the outer peripheral wall of the box lid are respectively provided with a plurality of limiting grooves, a clamping block is fixed inside the limiting groove on the box lid, and a buckle is fixed inside the limiting groove on the box body, and the buckle is engaged with the clamping block. The box body and the box lid are both made of heat-insulating materials, and the box body is an egg fresh-keeping packaging box.

[0014] Through the above technical solution, when the box cover is closed on the box body, the clamping block and the buckle are engaged with each other to achieve a tight seal between the box body and the box cover.

[0015] Furthermore, a reflux groove is provided at the other end of the bottom surface of the box body, and the reflux groove is communicated with the storage groove.

[0016] Through the above technical solution, the flowing air enters the reflux tank and returns to the storage tank.

[0017] Furthermore, the fresh-keeping component includes a triangular block, the bottom surface of the triangular block is fixedly connected to the top surface of the stop block, and a fastener is inserted into the triangular block.

[0018] Furthermore, the lower end of the fastener is threadedly connected to the lower end of the box body through a threaded hole, and two of the triangular blocks and the fastener are respectively provided in a centrally symmetrical structure.

[0019] According to the above technical solution, the ice bags or ice cubes to be used are placed in the storage tank, and then the stopper is installed by using the triangular block and the fastener.

[0020] Furthermore, a connecting rod is fixed inside the through slot, a servo motor is mounted on the top surface of the connecting rod through a mounting seat, an output shaft of the servo motor is rotatably connected to the connecting rod, and the fan blades are mounted on the output shaft of the servo motor.

[0021] Through the above technical solution, the fan blades are driven to rotate by the output shaft of the servo motor, so that the rotating fan blades transport the air cooled by the ice bag and ice cubes to the upper end, and then contact the eggs and the placement plate in turn.

[0022] By means of the above technical solution, the present invention provides a packaging box for extending the shelf life of eggs, which has at least the following beneficial effects:

[0023] 1. The packaging box for extending the shelf life of eggs places ice cubes or ice bags into a storage slot and engages a stopper with the upper end of the storage slot, so that the ice cubes or ice bags lower the temperature of the surrounding air. Then, through the synergistic effect of the air flow generated by the fan blades and the ventilation grooves on the placement tray, the low-temperature air can be evenly distributed in the internal space of the box body, avoiding the problem of uneven temperature distribution caused by the fixed position of the ice bags or ice cubes, realizing the circulation and transportation of low-temperature air, improving the cooling efficiency, and allowing the low temperature of the ice bags or ice cubes to be transferred to the eggs more quickly, thereby extending the shelf life of the eggs.

[0024] 2. The packaging box for extending the shelf life of eggs facilitates the installation and transportation of the placement tray through the handle. The lower end of the insert block is plugged into the upper end of the connecting block through a slot, which enhances the structural strength of the placement tray and facilitates the stacking of the placement trays, saving storage space. The through hole is plugged into the lower end of the insert block, which not only fixes the position of the foam pad but also allows air circulation, maintaining the air circulation inside the box. The use of the foam pad reduces the occurrence of damage to the eggs caused by bumps and collisions during transportation and movement, thereby protecting the integrity of the eggs.

[0025] 3. The packaging box for extending the shelf life of eggs has a top surface of a damping spring shock absorber abutting against the bottom surface of the insert block. When the box body is subjected to external impact or vibration, the damping spring shock absorber absorbs and disperses the impact force, protecting the eggs from damage; when the box lid is closed on the box body, the clamping block and the buckle engage with each other to achieve a tight seal between the box body and the box lid, preventing outside air, humidity and microorganisms from entering the interior of the box body, thereby improving the preservation effect of the eggs.

[0026] 4. The packaging box for extending the shelf life of eggs drives the fan blades to rotate through the output shaft of the servo motor, so that the rotating fan blades transport the air cooled by the ice packs and ice cubes to the upper end, and sequentially contact the eggs and the placement tray. The ventilation groove facilitates the air flow inside the box body to cool the placement tray. At this time, the top surface of the placement tray at the upper end is not equipped with a partition plate, so that the flowing air enters the reflux groove and returns to the storage tank, realizing the active transportation and circulation of cold air, improving the air circulation efficiency, and allowing the cooling effect of the ice packs or ice cubes to be transferred to the eggs more quickly, reducing the influence of the outside air on the temperature inside the box body, and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0028] Figure 1 This is a schematic diagram of the box structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the assembly of the buckle structure of the utility model;

[0030] Figure 3 This is a schematic diagram of the placement tray structure of the utility model;

[0031] Figure 4 This is a schematic diagram of the assembly of the foam pad structure of the present invention;

[0032] Figure 5 This is a schematic diagram of the structure of the damping spring shock absorber of the utility model;

[0033] Figure 6 This is a schematic structural diagram of the fresh-keeping component of the present utility model.

[0034] In the figure: 1. Box body; 2. Box cover; 3. Placement tray; 4. Placement slot; 5. Divider; 6. Foam pad; 7. Fresh-keeping component; 701. Block; 702. Storage slot; 703. Through slot; 704. Fan blade; 705. Triangular block; 706. Fastener; 707. Connecting rod; 708. Servo motor; 8. Connecting block; 9. Support block; 10. Slot; 11. Insert block; 12. Through hole; 13. Mounting slot; 14. Damping spring shock absorber; 15. Handle; 16. Limiting slot; 17. Block; 18. Buckle; 19. Reflow slot; 20. Ventilation slot. DETAILED DESCRIPTION

[0035] 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. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Example 1, as Figure 1-5 As shown, this embodiment provides a packaging box for extending the shelf life of eggs, including a box body 1, a box cover 2 pressed on the upper end of the box body 1, a plurality of placement trays 3 placed inside the box body 1, a plurality of placement slots 4 arranged in a uniform structure on the placement tray 3, a plurality of ventilation slots 20 arranged in a uniform structure on the placement tray 3, partition plates 5 are respectively installed at the upper and lower ends of the placement tray 3, a foam pad 6 is provided between adjacent placement trays 3, and the two partition plates 5 are respectively abutted against the foam pads 6, a fresh-keeping component 7 is provided at one end of the bottom surface of the box body 1, a block 701 is provided on the fresh-keeping component 7, a storage slot 702 is provided on the bottom surface of the box body 1, the outer peripheral wall of the block 701 is snap-fitted with the upper end of the storage slot 702, a through slot 703 is provided on the top surface of the block 701, and a fan blade 704 is provided inside the through slot 703.

[0037] A plurality of connecting blocks 8 are fixedly provided at the four corners of the top surface of the placement tray 3, a handle 15 is fixedly provided between two connecting blocks 8 on the same side, a plurality of supporting blocks 9 are fixedly provided at the four corners of the bottom surface of the placement tray 3, a slot 10 is provided on the top surface of the connecting block 8, an inserting block 11 is fixedly provided on the bottom surface of the supporting block 9, the lower end of the inserting block 11 is plugged into and matched with the upper end of the connecting block 8 through the slot 10; the lower end of the inserting block 11 is plugged into and matched with the upper end of the connecting block 8 through the slot 10, which enhances the structural strength of the placement tray 3, facilitates the stacking of the placement tray 3, and saves storage space.

[0038] A plurality of through holes 12 are respectively provided at the four corners of the foam pad 6, the lower end of the plug block 11 is plugged into the through hole 12, the top surface of the foam pad 6 abuts against the bottom surface of the connecting block 8, and the bottom surface of the foam pad 6 abuts against the top surface of the supporting block 9; the use of the foam pad 6 reduces the occurrence of damage to the eggs caused by bumps and collisions during transportation and movement, and protects the integrity of the eggs.

[0039] Mounting grooves 13 are respectively provided at the four corners of the bottom surface of the box body 1, and damping spring shock absorbers 14 are installed at the bottom of the mounting grooves 13. The top surface of the damping spring shock absorber 14 abuts against the bottom surface of the insert 11; when the box body 1 is subjected to external impact or vibration, the damping spring shock absorber 14 absorbs and disperses the impact force to protect the eggs from damage.

[0040] The outer wall of the box body 1 and the outer wall of the box cover 2 are respectively provided with a plurality of limiting grooves 16, and a clamping block 17 is fixed inside the limiting groove 16 on the box cover 2, and a buckle 18 is fixed inside the limiting groove 16 on the box body 1, and the buckle 18 is engaged with the clamping block 17. The box body 1 and the box cover 2 are both made of heat-insulating materials, and the box body 1 is an egg fresh-keeping packaging box; when the box cover 2 is closed on the box body 1, the clamping block 17 is engaged with the buckle 18 to achieve a tight seal between the box body 1 and the box cover 2.

[0041] Working principle: First, ice cubes or ice bags are placed into the storage slot 702, and the stopper 701 is engaged with the upper end of the storage slot 702, so that the ice cubes or ice bags lower the temperature of the surrounding air. Then, through the synergistic effect of the air flow generated by the fan blades 704 and the ventilation grooves 20 on the placement tray 3, the low-temperature air can be evenly distributed in the internal space of the box body 1, avoiding the problem of uneven temperature distribution caused by the fixed position of the ice bag or ice cubes, realizing the circulation of low-temperature air, improving the cooling efficiency, and allowing the low temperature of the ice bag or ice cubes to be transferred to the eggs more quickly, thereby extending the shelf life of the eggs.

[0042] The handle 15 facilitates the installation and transportation of the placement tray 3. The lower end of the insert block 11 is plugged into and matched with the upper end of the connecting block 8 through the slot 10, thereby enhancing the structural strength of the placement tray 3 and facilitating the stacking of the placement trays 3, saving storage space. The through hole 12 is plugged into and matched with the lower end of the insert block 11, which not only fixes the position of the foam pad 6 but also allows air circulation, thereby maintaining air circulation inside the box body 1. The use of the foam pad 6 reduces the occurrence of damage to the eggs caused by bumps and collisions during transportation and movement, thereby protecting the integrity of the eggs.

[0043] The top surface of the damping spring shock absorber 14 abuts against the bottom surface of the insert 11. When the box body 1 is subjected to external impact or vibration, the damping spring shock absorber 14 absorbs and disperses the impact force to protect the eggs from damage.

[0044] When the box cover 2 is closed on the box body 1, the block 17 and the buckle 18 engage with each other to achieve a tight seal between the box body 1 and the box cover 2, preventing outside air, humidity and microorganisms from entering the box body 1, thereby improving the preservation effect of eggs.

[0045] Example 2, as Figure 1 , Figure 3 and Figure 6 As shown, based on the first embodiment, a reflow groove 19 is provided at the other end of the bottom surface of the box body 1 , and the reflow groove 19 is connected to the storage groove 702 ; the flowing air enters the reflow groove 19 and returns to the storage groove 702 .

[0046] The fresh-keeping component 7 includes a triangular block 705, the bottom surface of the triangular block 705 is fixedly connected to the top surface of the stopper 701, a fastener 706 is inserted into the triangular block 705, and the lower end of the fastener 706 is threadedly connected to the lower end of the box body 1 through a threaded hole. The triangular block 705 and the fastener 706 are respectively provided with two in a centrally symmetrical structure; the ice bag or ice cubes to be used are placed in the storage slot 702, and then the stopper 701 is installed through the triangular block 705 and the fastener 706.

[0047] A connecting rod 707 is fixed inside the through groove 703, and a servo motor 708 is installed on the top surface of the connecting rod 707 through a mounting seat. The output shaft of the servo motor 708 is rotatably connected to the connecting rod 707, and the fan blades 704 are installed on the output shaft of the servo motor 708; the fan blades 704 are driven to rotate by the output shaft of the servo motor 708, so that the rotating fan blades 704 transport the air cooled by the ice bag and ice cubes to the upper end, and then contact the eggs and the placement plate 3 in turn.

[0048] When in use, first place and install the ice bag or ice cube, rotate the fastener 706 to separate it from the box body 1, drive the stopper 701 to separate from the storage slot 702 of the box body 1 through the triangular block 705, remove the stopper 701, put the ice bag or ice cube to be used into the storage slot 702, and then install the stopper 701 through the triangular block 705 and the fastener 706, then stack the corresponding placement trays 3 to a suitable height for use, and seal the box cover 2 and the box body 1;

[0049] The fan blades 704 are then driven to rotate by the output shaft of the servo motor 708, so that the rotating fan blades 704 transport the air cooled by the ice packs and ice cubes to the upper end, and in turn contact the eggs and the placement tray 3, and facilitate the air flow inside the box body 1 through the ventilation grooves 20 to cool the placement tray 3. At this time, the partition plate 5 is not installed on the top surface of the placement tray 3 at the upper end, so that the flowing air enters the reflux groove 19 and returns to the storage groove 702, realizing the active transportation and circulation of cold air, improving the air circulation efficiency, and making the cooling effect of the ice packs or ice cubes be transferred to the eggs more quickly, reducing the influence of the outside air on the temperature inside the box body 1, and reducing energy consumption.

[0050] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A packaging box for extending the shelf life of eggs, comprising a box body (1), a box cover (2) pressed onto the upper end of the box body (1), and characterized in that: A plurality of placement trays (3) are placed inside the box body (1), a plurality of placement slots (4) are provided on the placement trays (3) in a uniformly arranged structure, a plurality of ventilation slots (20) are provided on the placement trays (3) in a uniformly arranged structure, partition plates (5) are respectively installed at the upper and lower ends of the placement trays (3), a foam pad (6) is provided between adjacent placement trays (3), and two of the partition plates (5) are respectively in contact with the foam pads (6); A fresh-keeping component (7) is provided at one end of the bottom surface of the box body (1), a stopper (701) is provided on the fresh-keeping component (7), a storage groove (702) is provided on the bottom surface of the box body (1), an outer peripheral wall of the stopper (701) is engaged with the upper end of the storage groove (702), a through groove (703) is provided on the top surface of the stopper (701), and a fan blade (704) is provided inside the through groove (703).

2. The packaging box for extending the shelf life of eggs according to claim 1, characterized in that: A plurality of connecting blocks (8) are fixedly provided at the four corners of the top surface of the placement plate (3), a handle (15) is fixedly provided between the two connecting blocks (8) located on the same side, a plurality of supporting blocks (9) are fixedly provided at the four corners of the bottom surface of the placement plate (3), a slot (10) is provided on the top surface of the connecting block (8), an inserting block (11) is fixedly provided on the bottom surface of the supporting block (9), and the lower end of the inserting block (11) is plugged into and matched with the upper end of the connecting block (8) through the slot (10).

3. The packaging box for extending the shelf life of eggs according to claim 2, characterized in that: The foam pad (6) is provided with a plurality of through holes (12) at the four corners thereof, the lower end of the plug block (11) is plugged into and matched with the through holes (12), the top surface of the foam pad (6) abuts against the bottom surface of the connecting block (8), and the bottom surface of the foam pad (6) abuts against the top surface of the supporting block (9).

4. The packaging box for extending the shelf life of eggs according to claim 3, characterized in that: The box body (1) is provided with mounting grooves (13) at the four corners of the bottom surface thereof. A damping spring shock absorber (14) is installed at the bottom of the mounting groove (13). The top surface of the damping spring shock absorber (14) abuts against the bottom surface of the insert (11).

5. The packaging box for extending the shelf life of eggs according to claim 4, characterized in that: The outer peripheral wall of the box body (1) and the outer peripheral wall of the box cover (2) are respectively provided with a plurality of limiting grooves (16); a clamping block (17) is fixedly provided inside the limiting groove (16) on the box cover (2); a buckle (18) is fixedly provided inside the limiting groove (16) on the box body (1); and the buckle (18) is engaged with the clamping block (17).

6. The packaging box for extending the shelf life of eggs according to claim 5, characterized in that: A reflux groove (19) is provided at the other end of the bottom surface of the box body (1), and the reflux groove (19) is connected to the storage groove (702).

7. The packaging box for extending the shelf life of eggs according to claim 5, characterized in that: The fresh-keeping component (7) comprises a triangular block (705), the bottom surface of the triangular block (705) is fixedly connected to the top surface of the stopper (701), and a fastener (706) is plugged into the triangular block (705).

8. The packaging box for extending the shelf life of eggs according to claim 7, characterized in that: The lower end of the fastener (706) is threadedly connected to the lower end of the interior of the box body (1) through a threaded hole, and two of the triangular blocks (705) and the fastener (706) are respectively provided in a centrally symmetrical structure.

9. The packaging box for extending the shelf life of eggs according to claim 8, characterized in that: A connecting rod (707) is fixedly provided inside the through slot (703), a servo motor (708) is mounted on the top surface of the connecting rod (707) via a mounting seat, an output shaft of the servo motor (708) is rotationally connected to the connecting rod (707), and the fan blade (704) is mounted on the output shaft of the servo motor (708).

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