Double-layer packaging box

Abstract

The utility model discloses a double-layer packaging box which comprises a box body and a drawer box, the box body and the drawer box are respectively provided with a top opening, a partition plate is arranged in the box body, the partition plate divides the inner space of the box body into a top cavity and a bottom cavity, the bottom cavity is provided with a front side opening, and the drawer box is movably arranged in the bottom cavity through the front side opening. The rear side edge of the top opening of the box body is connected with a top cover, an inserting tongue is arranged in the middle of the top edge of the top cover, the front edge of the top opening of the drawer box is connected with a shielding plate, the top of the shielding plate is flush with the top of the box body and connected with an inner folding plate, and an inserting groove is formed in a folding mark, connected with the shielding plate, of the inner folding plate. After the inner folding plate is folded inwards to the top cavity of the box body, the inserting tongue can be inserted into the inserting groove to achieve locking of the box body and the drawer box. The double-layer packaging box has the functions that the top is fixed, the bottom drawer box moves freely, the double-layer packaging box is provided with a locking structure, after packaging is completed, the top opening of the box body is closed, meanwhile, the drawer box is locked in the bottom cavity of the box body, and the packaging effect is good.

Description

Technical Field

[0001] This utility model relates to the field of packaging box technology, and in particular to a double-layer packaging box. Background Technology

[0002] Currently, the most common packaging boxes on the market are single-layer and double-layer structures. Single-layer packaging boxes are simple in structure and low in cost, but their display effect is limited. To improve the display effect, double-layer packaging boxes are gradually becoming the new favorite in the market. However, the double-layer structure of existing double-layer packaging boxes is fixed by a sleeve or upper and lower locking mechanism, and the pull-out sequence can only be from top to bottom, which is inconvenient. Furthermore, existing double-layer boxes also suffer from the problem of cumbersome box molding, making mass production impossible. Utility Model Content

[0003] To address the shortcomings of the prior art, this utility model provides a double-layer packaging box, wherein the upper layer of the packaging box is fixed and the lower drawer box can be freely pulled out of the box.

[0004] The objective of this utility model can be achieved through the following technical solutions:

[0005] A double-layer packaging box includes: a box body and a drawer box, both of which have a top opening. The box body has an internal partition that divides the internal space of the box body into a top chamber and a bottom chamber. The bottom chamber has a front opening, and the drawer box is movably disposed in the bottom chamber through the front opening.

[0006] Using the above technical solution, the internal space of the box is divided into a top chamber and a bottom chamber by a partition. The top chamber is fixed inside the box, and the bottom chamber has a front opening. The drawer box can be installed in the bottom chamber through the front opening. When needed, the drawer box can be pulled out from the bottom chamber, thus realizing the function of a double-layer packaging box with the upper layer fixed and the lower layer moving freely.

[0007] In a specific embodiment of this utility model, the box body is formed by folding and connecting a single sheet of cardboard. The box body also includes a bottom plate, the upper edge of which is connected to a rear side plate. The left and right edges of the rear side plate are connected to a left side plate and a right side plate, respectively. The upper edges of the rear side plate, left side plate, and right side plate are flush and at the same height. The right edge of the right side plate is connected to a front side plate. The upper edge of the front side plate is flush with the right side plate and its height is half that of the right side plate. The left edge of the left side plate is connected to an adhesive plate. The adhesive plate is flush with the upper edge of the left side plate and at the same height as the front side plate. After folding, the outer side of the adhesive plate connects to the inner side of the free edge of the front side plate. The lower edge of the front side plate and the front edges of the left side plate, right side plate, and bottom plate form the front opening of the bottom chamber. The box body designed in this way is formed by folding a single sheet of cardboard, which is convenient to form and can be mass-produced.

[0008] In a specific embodiment of this utility model, the left and right edges of the base plate are respectively connected to a left liner and a right liner. After folding, the left and right liners are laid flat on the upper surface of the base plate to form a bottom liner. This structure can enhance the strength of the bottom of the box.

[0009] In a specific embodiment of this utility model, the box body further includes a connecting plate, which has the same shape as the front side plate. The partition and the front side plate are connected to the opposite edges of the connecting plate. Support plates are connected to the other three edges of the partition. When folded, the connecting plate hangs on the inner surface of the front side plate, and the support plates are vertically attached to the inner surfaces of the rear side plate, left side plate, and right side plate, respectively, with their bottom edges abutting against the bottom liner. The support plates abutting against the bottom liner enhance the stability of the partition and the box body.

[0010] In a specific embodiment of this utility model, the left and right edges of the partition have clean sections near the connecting plate that are not connected to any sheet metal. These clean sections are located behind the front side plate, forming a slot with the left and right side plates. The bottom plate is connected to an edge folding plate, with end plates at both ends. The length of the end plate is the height of the bottom chamber, and the width is equal to the width of the edge folding plate. The end plate is in the shape of a right-angled fan, with one right-angled edge connected to the edge folding plate and the other right-angled end connected to a plug. After folding, the edge folding plate lies flat on the upper surface of the bottom lining, and the end plates are vertically attached to the inner surfaces of the left and right side plates. The plug is inserted into the slot and stopped by the front side plate. This structure achieves a locking mechanism at the bottom of the box and improves the strength of the front edge of the bottom plate, while also enhancing the overall stability of the box structure.

[0011] In a specific embodiment of this utility model, a top cover is connected to the rear edge of the top opening of the box body, and a latch is connected to the top edge of the top cover. A cover plate is connected to the front edge of the top opening of the drawer box, and the top edge of the cover plate is flush with the top of the box body. An inner folding plate is connected to the top edge of the cover plate, and a slot is provided on the fold line where the inner folding plate connects to the cover plate. After folding, the latch is inserted into the slot. The locking structure can close the top opening of the box body and lock the drawer box in the bottom cavity of the box body.

[0012] In a specific embodiment of this utility model, a notch is provided at the top of the cover plate near the slot, and the notch communicates with the slot.

[0013] In a specific embodiment of this utility model, the notch is semi-circular in shape.

[0014] In this specific embodiment of the utility model, the drawer box is formed by folding and connecting a single sheet of cardboard. The drawer box also includes a drawer box bottom plate. The left and right edges of the drawer box bottom plate are respectively connected to the left side panel and the right side panel of the drawer box, and grooves are provided on the connecting fold lines. The upper and lower edges of the drawer box bottom plate are respectively connected to the rear side panel and the front side panel of the drawer box. The left and right edges of the front side panel of the drawer box are respectively connected to the left and right front folds of the same shape. The left and right edges of the rear side panel of the drawer box are respectively connected to the left and right rear folds of the same shape. The left side panel of the drawer box is connected to the edge opposite to the other side of the drawer box bottom plate by a left inner fold plate. The free edge of the left inner fold plate has a flange. The right side panel of the drawer box is connected to the left and right inner folds of the drawer box bottom plate by a flange. The drawer box bottom panel has a right-side inner folding panel connected to the edge on the other side. The free edge of the right-side inner folding panel has a flange. After folding, the left front fold and the left rear fold attach to the inner sides of both ends of the left side panel of the drawer box, and the right front fold and its corresponding right rear fold attach to the inner sides of both ends of the right side panel of the drawer box. The left and right inner folding panels are folded inwards, and the flange is inserted into the slot. The left inner folding panel covers the inner side of the left side panel of the drawer box, and the left front fold and the left rear fold are sandwiched between the left inner folding panel and the left side panel of the drawer box. The right inner folding panel covers the inner side of the right side panel of the drawer box, and the right front fold and the right rear fold are sandwiched between the right inner folding panel and the right side panel of the drawer box. This drawer box design is made from a single sheet of cardboard, making it easy to form and suitable for mass production.

[0015] The beneficial effects of this utility model are as follows: First, by setting a partition inside the box, the internal chamber of the box is divided into a top chamber and a bottom chamber. The top chamber is fixed inside the box, and the bottom chamber has a front opening. The drawer box can be placed in the bottom chamber through the front opening and is movable. This achieves the function of a double-layer packaging box with a fixed top and a pull-out drawer box at the bottom, resulting in good packaging effect. Second, the internal partition of the box has multiple support plates, and the bottom plate has an inner lining and edge folding plates. The bottom self-locks through the end plates at both ends, making the box structure stable and with strong load-bearing capacity. Third, the double-layer packaging box has a locking structure, which can lock the drawer box in the bottom chamber of the box while closing the top opening of the box, resulting in good packaging effect. Finally, both the box and the drawer box are made of single-sheet cardboard cut and folded, which is simple to form and can achieve mass production. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings:

[0017] Figure 1 This is a schematic diagram showing the overall effect of the double-layer packaging box of this utility model.

[0018] Figure 2This is a schematic diagram showing the effect of the bottom of the box body of this utility model in an unlocked state.

[0019] Figure 3 This is a schematic diagram showing the effect of the bottom of the box being locked in place according to this utility model.

[0020] Figure 4 This is a three-dimensional schematic diagram of the drawer box of this utility model.

[0021] Figure 5 This is a schematic diagram showing the locked state of the box body and drawer box of this utility model.

[0022] Figure 6 This is a plan view of the unfolded box body of this utility model.

[0023] Figure 7 This is a plan view of the drawer box of this utility model after it has been unfolded.

[0024] Component identification:

[0025] 1. Box body, 2. Drawer box, 3. Divider, 3a. Clean section, 4. Connecting plate, 5. Support plate, 6. Base plate, 7. Edge folding plate, 8. End plate, 9. Plug, 10. Top cover, 11. Tongue, 12. Front side panel, 12a. Free edge of front side panel, 13. Rear side panel, 14. Left side panel, 15. Right side panel, 16. Left lining plate, 17. Right lining plate, 18. Adhesive plate, 19. Cover plate, 20. Inner folding plate, 21. Slot, 22. 23. Side cover, 24. Top chamber, 25. Bottom chamber, 26. Front opening, 27. Left side panel of drawer box, 28. Drawer box with side panel, 29. Front side panel of drawer box, 30. Rear side panel of drawer box, 31. Bottom panel of drawer box, 32. Left inner fold panel, 33. Right inner fold panel, 34a. Left front fold panel, 34b. Right front fold panel, 35a. Left rear fold panel, 35b. Right rear fold panel, 36. Flange, 37. Groove. Detailed Implementation

[0026] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] It should be understood that the structures, proportions, sizes, etc., depicted in the accompanying drawings are merely for illustrative purposes to aid those skilled in the art and are not intended to limit the scope of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in proportions, or adjustments to size, without affecting the effectiveness and purpose of this utility model, should still fall within the scope of the technical content disclosed herein. Furthermore, the terms such as "upper," "lower," "left," "right," "top," "bottom," "side," "middle," and "one" used in this specification are merely for clarity and not intended to limit the scope of this utility model. Changes or adjustments to their relative relationships, without substantially altering the technical content, should also be considered within the scope of this utility model.

[0028] like Figure 1 and Figure 4 As shown, the double-layer packaging box of this utility model includes a box body 1 and a drawer box 2.

[0029] The box 1 has an opening at the top and an internal partition 3. The partition 3 divides the internal space of the box 1 into a top chamber 24 and a bottom chamber 25. The opening of the top chamber 24 is the top opening of the box 1. Figure 2 As shown, the bottom chamber 25 has a front opening 26, and the drawer box 2 can be movably disposed in the bottom chamber 25 through the front opening 26.

[0030] A top cover 10 is connected to the rear edge of the top opening of box 1, and side covers 23 are connected to the left and right edges of the top cover 10, respectively. A tongue 11 is provided at the middle position of the top edge of the top cover 10. Drawer box 2 has a top opening, and an upwardly extending cover 19 is connected to the front edge of the top opening of drawer box 2. The top edge of the cover 19 is flush with the edge of the top opening of box 1. An inner folding plate 20 is connected to the top edge of the cover 19. A slot 21 extending along the fold line is provided in the middle position of the fold line where the inner folding plate 20 connects with the cover 19, and the slot 21 has a certain width. A notch 22 communicating with the slot 21 is provided at the top of the cover 19 near the slot 21. In this embodiment, the notch 22 is semi-circular in shape.

[0031] Combination Figure 6As shown, the box body 1 is formed by folding and connecting single sheets of cardboard. The box body 1 consists of a base plate 6, a rear side plate 13 connected to the upper edge of the base plate 6, a left side plate 14 and a right side plate 15 connected to the left and right sides of the rear side plate 13 respectively, and a front side plate 12 connected to the right side of the right side plate 15. The rear side plate 13, left side plate 14, and right side plate 15 have equal height and are flush. The height of the front side plate 12 is only half that of the right side plate 15, and the upper edge of the front side plate 12 is flush with the upper edge of the right side plate 15. The top left edge of the left side plate 14 also has an adhesive plate 18 that is the same height as and flush with the front side plate 12. After folding, the outer side of the adhesive plate 18 is glued to the inner side of the free edge 12a of the front side plate, thus forming a closed box body. Figure 2 The box 1 shown has a bottom chamber 25 front opening 26 formed by the lower edge of the front side plate 12 and the front edges of the left side plate 14, right side plate 15 and bottom plate 6 on the lower part of the front side of the box 1.

[0032] The left and right sides of the base plate 6 are respectively connected to a left liner 16 and a right liner 17 of the same shape. A connecting plate 4 is connected to the upper edge of the front side plate 12, and the upper edge of the connecting plate 4 is connected to a partition 3. Support plates 5 are connected to the other three edges of the partition 3. After folding, combined... Figure 3 As shown, the left liner 16 and right liner 17 are laid flat on the upper surface of the base plate 6 to form the bottom liner. The partition 3 is horizontally located in the middle of the box body 1, and the connecting plate 4 is suspended and attached to the inner surface of the front side plate 12. The three support plates 5 are vertically attached to the inner surfaces of the rear side plate 13, left side plate 14 and right side plate 15 respectively, and their bottom edges abut against the bottom liner. This structure can fix the left liner 16 and right liner 17 that form the bottom liner. This structure allows the partition 3 to be stably set in the middle of the box body 1, improving the overall support strength of the box body 1 and the partition 3.

[0033] The left and right edges of partition 3 near the connecting plate 4 each have a clean section 3a without any connecting material. This clean section 3a allows the partition 3 to form a seam behind the front side plate 12 between the left side plate 14 and the right side plate 15 after the box body 1 is folded. The support plate 5 connected to the left and right edges of partition 3 has a fan-shaped notch on the side near the connecting plate 4. The front edge of the bottom plate 6 is connected to an edge pressure plate 7. The left and right sides of the edge pressure plate 7 are connected to end plates 8. The length of the end plate 8 is equal to the height of the bottom cavity of the box body 1, and the width is equal to the width of the edge pressure plate 7. The end plate 8 is in the shape of a right-angled fan, with one right-angled edge connected to the edge pressure plate 7 and the other right-angled edge located on the inside, and a plug 9 connected to the end. The end plate 8 is folded outward to form a 90-degree angle with the edge pressure plate 7, and then the edge pressure plate 7 is folded inward toward the box body 1 and horizontally covers the upper surface of the bottom lining. At this time, as Figure 3As shown, the end plates 8 at both ends of the edge pressure plate 7 are vertically attached to the inner surfaces of the left side plate 14 and the right side plate 15. The plug 9 is inserted into the slot and is stopped by the inner surface of the front panel 12 so that it will not come out. This structure achieves bottom locking, improves the strength of the front edge of the bottom plate 6, and also improves the overall stability of the box body 1.

[0034] Combination Figure 7 As shown, the drawer box 2 is made of a single piece of cardboard folded and connected together. The drawer box 2 also includes a drawer box bottom plate 31. The left and right edges of the drawer box bottom plate 31 are respectively connected to the left side plate 27 and the right side plate 28 of the drawer box. The upper and lower edges of the drawer box bottom plate 31 are respectively connected to the rear side plate 30 and the front side plate 29 of the drawer box. The left and right edges of the front side plate 29 are respectively connected to the left front side flap 34a and the right front side flap 34b of the same shape. The left and right edges of the rear side plate 30 are respectively connected to the left rear side flap 35a and the right rear side flap 35b of the same shape. The left side plate 27 of the drawer box is connected to the other side edge of the drawer box bottom plate 31 with a left inner flap 32. The right side plate 28 of the drawer box is connected to the other side edge of the drawer box bottom plate 31 with a right inner flap 33. The drawer box bottom plate 32 has slots 37 along the fold lines connecting it to the left side plate 27 and the right side plate 28. Simultaneously, the left inner fold plate 32 has a U-shaped flange on the edge opposite to the left side plate 27, and the right inner fold plate 33 also has a similar U-shaped flange on the edge opposite to the right side plate 28. In this embodiment, the slots 37 are located in the middle of the fold lines, and the flanges 36 are located in the middle of their respective edges, corresponding in size to the slots 37. After folding, the left front flap 34a and left rear flap 35a are attached to the inner sides of both ends of the left side plate 27, and the right front flap 34b and right rear flap 35b are attached to the inner sides of both ends of the right side plate 28. The left inner fold plate 32 and right inner fold plate 33 are both folded inwards, inserting the flanges 36 into the slots 37. At this time, the left inner folding plate 32 covers the inside of the left side panel 27 of the drawer box, the left front folding piece 34a and the left rear folding piece 35a are sandwiched between the left inner folding plate 32 and the left side panel 27 of the drawer box, the right inner folding plate 33 covers the inside of the right side panel 28 of the drawer box, and the right front folding piece 34b and the right rear folding piece 35b are sandwiched between the right inner folding plate 33 and the right side panel 28 of the drawer box.

[0035] When packaging items, first place the items on the partition 3 of box 1, and then place the items inside drawer box 2. Next, push drawer box 2 into the bottom cavity 25 of box 1 through the front opening 26, ensuring the cover 19 is against the outer surface of the front panel 12. Then, fold the inner folding plate 20 inward into the top cavity 24 of box 1 and cover the top opening of box 1 with the top cover 10. Finally, insert the tongue 11 into the slot 21 to complete the packaging. At this point, if... Figure 5As shown, the top opening of the box 1 is closed, and the drawer box 2 is locked in the bottom chamber 25 of the box 1.

[0036] When it is necessary to open the packaging, the top cover 10 is opened by engaging the latch 11 through the notch 22 of the cover 19 and pulling it out through the slot 21, thus allowing the items in the top chamber 24 of the box body 1 to be removed. At the same time, the drawer box 2 can be pulled out from the bottom chamber 25 of the box body 1 to remove the items in the drawer box 2.

[0037] As can be seen from the detailed description above, the double-layer packaging box of this utility model has several advantages. First, the internal space of the box body 1 is divided into a top chamber 24 and a bottom chamber 25 by a partition 3. The top chamber 24 is fixed inside the box body 1, and the bottom chamber 25 has a front opening 26. The drawer box 2 can be placed in the bottom chamber 25 through the front opening 26 and can move freely. Thus, the double-layer packaging box has the function of a fixed top and a freely movable bottom, resulting in good packaging effect. Second, both the box body 1 and the drawer box 2 are made of single sheets of cardboard folded and connected, resulting in high assembly efficiency and mass production capability. Third, the internal partition 3 of the box body 1 has multiple support plates 5, and the bottom plate 6 has an inner lining and edge folding plates 7. The bottom is self-locking through the end plates 8 at both ends. The front edge of the bottom plate 6 has high strength, making the box structure stable and with strong load-bearing capacity. At the same time, the box body 1 has a locking device. After packaging, the drawer box 2 is locked in the bottom chamber 25 of the box body 1, resulting in good packaging effect.

[0038] The above description provides a detailed account of one embodiment of the present invention. However, this description is merely a preferred embodiment and should not be construed as limiting the scope of the present invention. All equivalent variations and improvements made within the scope of the claims of the present invention should still fall within the patent coverage of the present invention.

Claims

1. A double-layered packaging box, comprising: a box body having a top opening; a drawer box having a top opening; characterized in that: the box body is internally provided with a partition plate, which divides the internal space of the box body into a top chamber and a bottom chamber; the bottom chamber has a front opening; and the drawer box is movably arranged in the bottom chamber through the front opening.

2. The double-decker packaging box according to claim 1, characterized in that: The box body is connected by folding a single sheet of paperboard, and further comprises a bottom plate; the upper edge of the bottom plate is connected with a back plate; the left and right edges of the back plate are respectively connected with a left side plate and a right side plate, and the upper edges of the back plate, the left side plate and the right side plate are flush and have the same height; the right edge of the right side plate is connected with a front plate, and the upper edge of the front plate is flush with the right side plate and has a height of half of the right side plate; the left edge of the left side plate is connected with a sticking plate; the upper edge of the sticking plate is flush with the left side plate and has the same height as the front plate; after folding, the outer side of the sticking plate is connected with the inner side of the free edge of the front plate; and the lower edge of the front plate forms the front opening of the bottom chamber together with the front edges of the left side plate, the right side plate and the bottom plate.

3. The double-decker packaging box according to claim 2, characterized in that: the left and right edges of the bottom plate are respectively connected with a left lining plate and a right lining plate; after folding, the left lining plate and the right lining plate are laid flat on the upper surface of the bottom plate to form a bottom lining.

4. The double-decker packaging box according to claim 3, characterized in that: The box body further comprises a connecting plate; the connecting plate has the same shape as the front plate; the partition plate and the front plate are connected with the edges of opposite sides of the connecting plate; the partition plate is further connected with support plates on the other three sides; after folding, the connecting plate is hung on the inner surface of the front plate, and the support plates are respectively vertically attached to the inner surfaces of the back plate, the left side plate and the right side plate with the bottom edges abutting on the bottom lining.

5. The double-decker packaging box according to claim 4, characterized in that: the left and right edges of the partition plate have clean sections near the connecting plate, which are not connected with any plate; the clean sections are located behind the front plate and form a gap with the left side plate and the right side plate; the bottom plate is connected with an edge folding plate, the edge folding plate is provided with end plates at both ends, the length of the end plates is equal to the height of the bottom chamber, the width of the end plates is equal to the width of the edge folding plate, the shape of the end plates is a right-angled sector, the edge of one right angle is connected with the edge folding plate, and the end of the other right angle is connected with a plug; after folding, the edge folding plate is laid flat on the upper surface of the bottom lining, the end plates are vertically attached to the inner surfaces of the left side plate and the right side plate, and the plug is inserted into the gap and stopped by the front plate.

6. The double-decker package of claim 1, wherein: the box body is connected with a top cover at the rear edge of the top opening, and the top edge of the top cover is connected with a plug tongue; the drawer box is connected with a cover plate at the front edge of the top opening, the top edge of the cover plate is flush with the top of the box body, the top edge of the cover plate is connected with an inner folding plate, and the inner folding plate is provided with a slot at the crease connected with the cover plate; after folding, the plug tongue is inserted into the slot.

7. The double-decker packaging box according to claim 6, characterized in that: a notch is provided on the top of the cover plate near the slot, and the notch communicates with the slot.

8. The double-decker packaging box according to claim 7, characterized in that: the notch has a semicircular shape.

9. The double-decker package according to any one of claims 1 to 8, characterized in that: The drawer box is connected by folding a single sheet of paperboard, and further comprises a drawer box bottom plate; The left and right edges of the drawer box bottom plate are connected to a drawer box left side plate and a drawer box right side plate respectively, and a notch is arranged on the fold line of the connection; The upper and lower edges of the drawer box bottom plate are connected to a drawer box rear side plate and a drawer box front side plate respectively; The left and right edges of the drawer box front side plate are connected to a left front side flap and a right front side flap respectively, and the left and right edges of the drawer box rear side plate are connected to a left rear side flap and a right rear side flap respectively; The drawer box left side plate is connected to a left inner flap relative to the edge of the other side of the drawer box bottom plate, and the free edge of the left inner flap has a flange; The drawer box right side plate is connected to a right inner flap relative to the edge of the other side of the drawer box bottom plate, and the free edge of the right inner flap has a flange; After folding, the left front side flap and the left rear side flap are attached to the inner side of the two ends of the drawer box left side plate, and the right front side flap and the right rear side flap are attached to the inner side of the two ends of the drawer box right side plate; The left inner flap and the right inner flap are folded inward, and the flanges are inserted into the notches; The left inner flap covers the inner side of the drawer box left side plate, the left front side flap and the left rear side flap are clamped between the left inner flap and the drawer box left side plate, the right inner flap covers the inner side of the drawer box right side plate, and the right front side flap and the right rear side flap are clamped between the right inner flap and the drawer box right side plate.

Images