Double-opening foldable cake box

Abstract

The double-opening foldable cake box comprises two outer boxes which are arranged in an opposite opening mode and are in butt joint with each other, the rear side walls of the two outer boxes are integrally arranged to form a rear side plate, the two outer boxes can be rotationally opened and closed with the left side edge and the right side edge of the rear side plate as the axis respectively, and inner boxes are arranged at the lower ends of the interiors of the two outer boxes in a matched mode. The inner box is opened forwards, the upper side face of the inner box is a plane, and the rear side of the inner box is fixedly connected with the rear side plate. A space for placing a cake is formed inside the two outer boxes and on the upper side of the inner box; a suction cup is arranged on the lower side face of the inner box and located in the outer box. According to the cake box, after the outer box is opened, the inner box can be adsorbed and fixed to a table top through the suction cups at the bottom of the inner box, and therefore it can be prevented that cakes in the inner box are damaged due to accidental movement in the using process. The outer box, the inner box and the drawing box can be folded to be in a plane state, and transportation and storage are convenient.

Description

Technical Field

[0001] This utility model relates to the field of packaging box technology, specifically to a double-opening foldable cake box. Background Technology

[0002] In the food packaging industry, cake boxes, as specialized containers for packaging cakes, play a crucial role. They not only need to provide reliable protection for the cakes, preventing damage during transportation, storage, and display, but also should possess a certain degree of aesthetic appeal and convenience. In birthday parties, celebrations, and other events, cakes are an important part of the festivities and are typically placed on the table for everyone to share. However, in environments with many people and frequent activities, cake boxes are easily moved due to accidental bumps of tables or direct contact with the box. Once the box moves, the cake inside is likely to be damaged due to shaking and collisions, affecting the experience and atmosphere of the celebration.

[0003] Currently, double-opening packaging boxes are widely used in various product packaging. They allow for the storage, retrieval, and display of the contents through two openable sections, making them convenient to use and popular in the market.

[0004] In the prior art, such as the double-opening lifting box disclosed in the patent with patent authorization announcement number CN 216916648 U.

[0005] However, existing double-opening packaging boxes with inner boxes generally cannot be folded into a flat shape. During product transportation and warehousing, these non-foldable double-opening packaging boxes occupy a large amount of space, increasing transportation costs and warehousing management difficulties, and reducing transportation and warehousing efficiency. Utility Model Content

[0006] In response to the problems mentioned in the background art, this utility model proposes a double-opening foldable cake box, which can prevent damage to the cake inside due to accidental movement during use, and also has a foldable flat surface, making it convenient for transportation and storage.

[0007] The technical solution of this utility model is implemented as follows:

[0008] A double-opening foldable cake box includes two outer boxes with opposing openings that are joined together. The rear side walls of the two outer boxes are integrally formed to form a rear side panel. The two outer boxes can be rotated and opened and closed with the left and right sides of the rear side panel as axes.

[0009] The lower part of the two outer boxes is fitted with an inner box, which is open to the front. The upper side of the inner box is flat, and the rear side of the inner box is fixedly connected to the rear side panel.

[0010] A space for placing the cake is formed inside the two outer boxes and on the top side of the inner box;

[0011] The inner box has suction cups on its lower side, which are located inside the outer box.

[0012] The present invention is further configured such that the outer box includes a middle side plate rotatably connected to the rear side plate, and the upper side, lower side, and front side of the middle side plate are respectively rotatably connected to an upper side plate, a lower side plate, and a front side plate, and the upper and lower sides of the front side plate are respectively connected to the inner sides of the upper side plate and the lower side plate through triangular plates.

[0013] The present invention is further configured such that the inner box includes a bottom side piece, and a rear side piece, a left side piece, and a right side piece are rotatably connected to the rear, left, and right sides of the bottom side piece, respectively. The rear side piece is fixedly connected to the rear side plate. The rear sides of the left and right side pieces are respectively connected to the left and right sides of the rear side piece through triangular pieces. An upper side piece is rotatably connected to the upper side of the right side piece, and a fixing piece is rotatably connected to the left side of the upper side piece.

[0014] The present invention is further configured such that the inner box is provided with a pull-out box, and the pull-out box is configured to open upwards.

[0015] The present invention is further configured such that the pull-out box includes a bottom portion, the front and rear sides of the bottom portion are respectively rotatably connected to a first side portion, the left and right sides of the bottom portion are respectively rotatably connected to a second side portion, the front and rear sides of the second side portion are respectively connected to the inner sides of the two first side portions through triangular connecting portions; positioning portions are respectively rotatably connected to the upper side of the first side portions, the positioning portions are located inside the first side portions, and the connecting portions are located between the first side portions and the positioning portions.

[0016] The present invention is further configured such that both the upper and lower side plates can be magnetically fixed to the triangular plate.

[0017] The present invention is further configured such that the fixing piece can be magnetically fixed to the left side piece.

[0018] The present invention is further configured such that the inner box is detachable or is fixedly connected to the rear side panel.

[0019] The present invention is further provided that the outer box is provided with an observation window.

[0020] The present invention is further configured such that the outer box, inner box, and pull-out box are all made of cardboard.

[0021] By adopting the above technical solution, the beneficial effects of this utility model are as follows:

[0022] The cake box of this application allows the inner box to be attached to the tabletop by suction cups at its bottom after the outer box is opened, thus preventing damage to the cake inside due to accidental movement during use.

[0023] The outer box, inner box, and pull-out box can all be folded into a flat state for easy transportation and storage. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a structural diagram of the box in the closed state of this utility model.

[0026] Figure 2 This is a structural diagram of the box of this utility model in the open state.

[0027] Figure 3 This is a schematic diagram of the bottom structure of the box in the open state of this utility model.

[0028] Figure 4 This is a schematic diagram of the unfolded structure of the two outer boxes of this utility model.

[0029] Figure 5 This is a schematic diagram of the inner box of this utility model when opened.

[0030] Figure 6 This is a schematic diagram of the unfolded pull-out box of this utility model.

[0031] The following are the labels in the attached diagram: Outer box 1, Rear side panel 11, Middle side panel 12, Upper side panel 13, Lower side panel 14, Front side panel 15, Triangular plate 16, Observation window 17, Inner box 2, Bottom side piece 21, Rear side piece 22, Left side piece 23, Right side piece 24, Triangular plate 25, Upper side piece 26, Fixing piece 27, Suction cup 30, Pull-out box 3, Bottom surface 31, First side surface 32, Second side surface 33, Connecting part 34, Positioning part 35. Detailed Implementation

[0032] 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.

[0033] For reference as follows Figures 1-6 The present invention will be described as follows:

[0034] Example: A double-opening foldable cake box includes two outer boxes 1 with openings facing each other and connected to each other. The rear side walls of the two outer boxes 1 are integrally formed to form a rear side plate 11. The two outer boxes 1 can be rotated and opened and closed with the left and right sides of the rear side plate 11 as the axis. The two outer boxes 1 can be rotated and opened and closed through the rear side plate 11.

[0035] The lower part of the interior of the two outer boxes 1 is fitted with an inner box 2. The inner box 2 is open to the front, the upper side of the inner box 2 is flat, and the rear side of the inner box 2 is fixedly connected to the rear side plate 11.

[0036] A space for placing the cake is formed inside the two outer boxes 1 and on the upper side of the inner box 2.

[0037] Suction cups 30 are provided on the lower side of the inner box 2, and the suction cups 30 are located inside the outer box 1. This allows the inner box 2 to be in a relatively independent and stable state when the outer box 1 is opened around the rear side panel 11. At this time, the inner box 2 is no longer constrained by the outer box 1, and its position directly affects the stability of the cake.

[0038] The suction cup 30 is located on the lower side of the inner box 2 and inside the outer box 1. This design ensures that when the cake box is closed, the suction cup 30 will not come into unnecessary contact with external objects, preventing premature adhesion or damage due to collision, thus ensuring its effectiveness during use. When the outer box 1 is opened, the suction cup 30 on the lower side of the inner box 2 is exposed and can directly contact the table where the cake box is placed.

[0039] The suction cup 30's suction and fixing function directly solves the problem of accidental movement of the cake box during use. In usage scenarios, when the outer box 1 is opened and the cake is exposed, the user may perform operations such as cutting or taking out the cake, which inevitably involves touching the inner box 2 or the cake. If the inner box 2 is not fixed, it is easy for it to move due to these touches. However, when the suction cup 30 on the lower side of the inner box 2 comes into contact with the table, it expels the air between the suction cup 30 and the table, using atmospheric pressure to firmly adhere the suction cup 30 to the table, thus fixing the position of the inner box 2. After the inner box 2 is fixed in position, the cake placed on the upper side of the inner box 2 also remains stable and will not shake, tilt, or even slip due to the movement of the inner box 2, avoiding deformation or damage to the cake caused by accidental movement.

[0040] This design combines the cake's supporting structure (inner box 2) with a fixing structure (suction cup 30), forming a reliable positioning mechanism through the physical adhesion between the suction cup 30 and the tabletop. Compared to cake boxes without a fixing device, this design structurally eliminates the risk of the cake box moving due to external touch, table tilting, or slight vibration, significantly improving the safety of the cake during use.

[0041] The design, which allows the outer box 1, inner box 2, and pull-out box 3 to be folded into a flat state, demonstrates significant advantages in transportation and storage.

[0042] The outer box 1 includes a middle side plate 12 rotatably connected to the rear side plate 11. The upper side, lower side and front side of the middle side plate 12 are respectively rotatably connected to an upper side plate 13, a lower side plate 14 and a front side plate 15. The upper and lower sides of the front side plate 15 are respectively connected to the inner sides of the upper side plate 13 and the lower side plate 14 through a triangular plate 16.

[0043] The outer box 1 consists of a middle side panel 12, an upper side panel 13, a lower side panel 14, a front side panel 15, and a triangular plate 16. These components are interconnected through a rotating mechanism. When folding is required, the middle side panel 12 can rotate to be on the same plane as the rear side panel 11. The upper side panel 13 and lower side panel 14 then rotate to be coplanar with the middle side panel 12. The front side panel 15 then rotates to fit snugly against the middle side panel 12, aided by the connecting action of the triangular plate 16. This design, through the orderly rotation and fitting of the side panels, eliminates spatial gaps in the three-dimensional structure, transforming the outer box 1 from a three-dimensional form into a two-dimensional state.

[0044] The inner box 2 includes a bottom side piece 21. The rear side piece 22, the left side piece 23, and the right side piece 24 of the bottom side piece 21 are rotatably connected to the rear side piece 21, the left side piece 23, and the right side piece 24, respectively. The rear side piece 22 is fixedly connected to the rear side plate 11. The rear sides of the left side piece 23 and the right side piece 24 are connected to the left and right sides of the rear side piece 22 through triangular pieces 25, respectively. The upper side piece 26 is rotatably connected to the upper side piece 24, and the left side piece 27 is rotatably connected to the left side piece 26.

[0045] The folding of the inner box 2 relies on the coordinated action of the bottom side panel 21, the rear side panel 22, the left side panel 23, the right side panel 24, the triangular piece 25, the top side panel 26, and the fixing piece 27. The triangular piece 25 provides a stable connection and support for the rotation of each component. The bottom side panel 21 can rotate to fit against the rear side panel 11, and the left side panel 23, right side panel 24, and other components simultaneously unfold to be coplanar with the bottom side panel 21. During the rotation, each component cooperates with the others, gradually eliminating the space occupied by the three-dimensional structure, and finally folding the inner box 2 into a flat surface.

[0046] The suction cup 30 is disposed on the lower side of the bottom side plate 21. The suction cup 30 has a disc-shaped structure. A connecting post is provided on the upper side of the suction cup 30. The connecting post has an annular connecting groove. A connecting hole is provided on the bottom side plate 21. The connecting post is inserted into the connecting hole. The diameter of the connecting hole is equal to the diameter of the connecting groove.

[0047] The inner box 2 has a pull-out box 3 inside, and the pull-out box 3 is designed to open upwards.

[0048] The pull-out box 3 includes a bottom portion 31, with first side portions 32 rotatably connected to the front and rear sides of the bottom portion 31, and second side portions 33 rotatably connected to the left and right sides of the bottom portion 31. The front and rear sides of the second side portions 33 are connected to the inner sides of the two first side portions 32 through triangular connecting portions 34. Positioning portions 35 are rotatably connected to the upper side of the first side portions 32, with the positioning portions 35 located inside the first side portions 32, and the connecting portions 34 located between the first side portions 32 and the positioning portions 35.

[0049] The folding of the pull-out box 3 relies on the coordinated movement of the bottom portion 31, the first side portion 32, the second side portion 33, the connecting portion 34, and the positioning portion 35. When the two positioning portions 35 are rotated outward to open, the first side portion 32 and the positioning portion 35 can rotate to be coplanar with the bottom portion 31. The triangular connecting portion 34 guides the second side portion 33 to rotate and fit against the bottom portion 31, thereby enabling the pull-out box 3 to complete the folding from three-dimensional to two-dimensional.

[0050] This foldable, flat-plane characteristic is extremely advantageous for transportation and storage. During transportation, the flat outer box 1, inner box 2, and pull-out box 3 significantly reduce the space occupied. Compared to a three-dimensional structure, the same transport vehicle can accommodate more products, reducing the unit transportation cost and minimizing space waste during transport, thus improving transportation efficiency. During storage, the flat-plane components can be neatly stacked, saving storage space. Whether in warehouse shelves or temporary storage areas, more products can be accommodated, and the stacked structure is stable, preventing scattering due to shaking, facilitating management and retrieval. Furthermore, the flat-plane structure allows the components to fit together, reducing damage caused by collisions and compression during transportation and storage, ensuring the product's integrity.

[0051] When the outer box 1 is in a three-dimensional state, both the upper side panel 13 and the lower side panel 14 can be magnetically fixed to the triangular plate 16. This design is achieved by setting magnetic components (such as embedded magnetic sheets) in corresponding positions, and its core function is to enhance the structural stability of the outer box 1 in a three-dimensional state. In the three-dimensional state, the upper side panel 13 and the lower side panel 14 are respectively located above and below the middle side panel 12, and the front side panel 15 is connected to the upper and lower side panels through the triangular plate 16 to form a closed three-dimensional frame. The magnetic fixation ensures that the upper side panel 13 and the triangular plate 16, and the lower side panel 14 and the triangular plate 16 are tightly fitted together, preventing the side panels from loosening or shifting due to external force or transportation bumps, thereby maintaining the protective shape of the outer box 1 for the internal cake and preventing accidental deformation of the three-dimensional structure.

[0052] When the pull-out box 3 is in a three-dimensional state, the fixing piece 27 can be magnetically fixed to the left side piece 23. The three-dimensional structure of the pull-out box 3 relies on the support of each side part, and the magnetic connection between the fixing piece 27 and the left side piece 23 can further enhance the stability of the overall structure. When the pull-out box 3 is in a three-dimensional state, after the upper side piece 26 of the right side piece 24 is flipped, the fixing piece 27 is magnetically attached to the left side piece 23 to form a horizontal fixed support, preventing the side parts of the pull-out box 3 from expanding outward or collapsing due to force during use or pulling out, ensuring the stability of its internal space, and facilitating the storage of tableware, accessories and other items.

[0053] The inner box 2 and the rear side panel 11 can also be designed as a detachable structure. They can be connected and separated using snaps, slots, or Velcro. This design enhances the flexibility of the cake box.

[0054] The outer box 1 has an observation window 17. Its main function is to allow the cake inside to be observed without opening the outer box, including the cake's integrity, decoration, and size.

[0055] Outer box 1, inner box 2, and pull-out box 3 are all made of cardboard. Cardboard has a certain structural strength, which can support the stability of each component in a three-dimensional state, providing reliable protection for the cake. At the same time, cardboard has good processability, making it easy to achieve complex rotating connection structures through die-cutting, folding and other processes to meet the folding function requirements of each component. In addition, cardboard is low in cost and recyclable, which is in line with the concept of environmental protection, and its light weight can reduce transportation costs to a certain extent.

[0056] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A double-opening foldable cake box, comprising two outer boxes with opposing openings and interlocking, wherein the rear sidewalls of the two outer boxes are integrally formed to form a rear side panel, and the two outer boxes can be opened and closed by rotating around the left and right sides of the rear side panel as axes, characterized in that: The lower part of the two outer boxes is fitted with an inner box, which is open to the front. The upper side of the inner box is flat, and the rear side of the inner box is fixedly connected to the rear side panel. A space for placing the cake is formed inside the two outer boxes and on the top side of the inner box; The inner box has suction cups on its lower side, which are located inside the outer box.

2. A double-opening foldable cake box according to claim 1, characterized in that: The outer box includes a middle side plate that is rotatably connected to the rear side plate. The upper, lower, and front sides of the middle side plate are respectively rotatably connected to an upper side plate, a lower side plate, and a front side plate. The upper and lower sides of the front side plate are respectively connected to the inner sides of the upper and lower side plates through triangular plates.

3. A double-opening foldable cake box according to claim 2, characterized in that: The inner box includes a bottom side panel, and a rear side panel, a left side panel, and a right side panel are rotatably connected to the rear, left, and right sides of the bottom side panel, respectively. The rear side panel is fixedly connected to the rear side plate. The rear sides of the left and right side panels are connected to the left and right sides of the rear side panel through triangular pieces, respectively. The upper side panel is rotatably connected to the upper side panel, and the left side panel is rotatably connected to the fixing piece.

4. A double-opening foldable cake box according to claim 3, characterized in that: The inner box contains a pull-out box with an upward-facing opening.

5. A double-opening foldable cake box according to claim 4, characterized in that: The pull-out box includes a bottom portion, with first side portions rotatably connected to the front and rear sides of the bottom portion, and second side portions rotatably connected to the left and right sides of the bottom portion. The front and rear sides of the second side portions are connected to the inner sides of the two first side portions via triangular connecting portions. Positioning portions are rotatably connected to the upper side of the first side portions, with the positioning portions located inside the first side portions and the connecting portions located between the first side portions and the positioning portions.

6. A double-opening foldable cake box according to claim 2, characterized in that: Both the upper and lower side plates can be magnetically fixed to the triangular plate.

7. A double-opening foldable cake box according to claim 3, characterized in that: The fixing piece can be magnetically fixed to the left side piece.

8. A double-opening foldable cake box according to claim 1, characterized in that: The inner box is either detachable or fixedly connected to the rear side panel.

9. A double-opening foldable cake box according to claim 1, characterized in that: The outer box is equipped with an observation window.

10. A double-opening foldable cake box according to claim 4, characterized in that: The outer box, inner box, and pull-out box are all made of cardboard.

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