A tape-free carton with a self-locking structure

Abstract

The utility model discloses a take self -locking structure's exempt from adhesive tape carton, including self -locking exempt from adhesive tape carton and being equipped with upper cover, link card tongue, end face folding stiffener, end face joint, positive side, back panel, end face panel A, end face panel B, bottom plate, folding panel, upper cover, link card tongue, end face folding stiffener, positive side, back panel, end face panel A, end face panel B, bottom plate, folding panel are integral structure, all panel on this self -locking exempt from adhesive tape carton adopt the mode of integral cutting to make the integrity of self -locking exempt from adhesive tape carton good, and the whole carton adopts the connectable structure of joint tongue and joint groove, so that the whole carton can realize packaging without using packaging adhesive, and the convenience of carton use is greatly improved.

Description

Technical Field

[0001] This utility model relates to the field of tape-free cardboard box technology, specifically a tape-free cardboard box with a self-locking structure. Background Technology

[0002] Cardboard boxes are the most widely used packaging products. Depending on the materials used, there are corrugated cardboard boxes, single-layer cardboard boxes, etc., and they come in various specifications and models.

[0003] Cardboard boxes commonly use three-layer or five-layer paper, while seven-layer paper is less common. Each layer consists of linerboard, corrugated paper, core paper, and face paper. Linerboard and face paper can be made of kraft paper or kraft paper, while corrugated paper is used for the core paper. The colors and textures of various types of paper are different, and the paper produced by different manufacturers also varies in color and texture.

[0004] Cardboard boxes are a very common type of transshipment packaging. However, most cardboard boxes are currently sealed with tape, which means that sealing cannot be completed without tape. Therefore, there is an urgent need for an improved technology to solve this problem in the existing technology. Utility Model Content

[0005] The purpose of this invention is to provide a tape-free carton with a self-locking structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a self-locking tape-free carton, comprising a self-locking tape-free carton, characterized in that: the self-locking tape-free carton is provided with a top cover, a connecting tongue, an end face folding reinforcing plate, an end face locking connector, a front side panel, a back panel, an end face panel A, an end face panel B, a bottom plate, and a folding panel, wherein the top cover, connecting tongue, end face folding reinforcing plate, front side panel, back panel, end face panel A, end face panel B, bottom plate, and folding panel are an integral structure; The end face panel A and the base plate are symmetrically provided with end connection slots at the crease; The base plate is provided with a connecting slot A at the crease between the base plate and the front side.

[0007] Preferably, one side edge of the end face folding reinforcing plate is symmetrically provided with end face snap connectors, and the end face snap connectors and the end face folding reinforcing plate are an integral structure.

[0008] Preferably, one side edge of the housing connecting ear is provided with a connecting ear latch, the housing connecting ear and the back panel are an integral structure, and the connecting ear latch and the housing connecting ear are an integral structure.

[0009] Preferably, one side edge of the folding panel is provided with a connecting tongue, the length of which matches the length of the groove of the connecting slot A, and a connecting groove is provided at the crease between the folding panel and the front side, the length of which matches the length of the groove of the connecting tongue.

[0010] Preferably, the length of the connecting tongue matches the length of the connecting groove.

[0011] Preferably, the length of the end face locking connector is the same as that of the connecting ear latch, and the length of the end face locking connector and the connecting ear latch matches the groove length of the end connecting slot.

[0012] Preferably, the length of the connecting tongue matches the length of the connecting groove.

[0013] Compared with the prior art, the beneficial effects of this utility model are: (1) The end face folding reinforcement plate is symmetrically provided with end face snap joints on one side edge. The end face snap joints and the end face folding reinforcement plate are an integral structure. The box body connecting ears are pressed in place by the end face snap joints to improve the overall stability of the carton. (2) After the connecting tongue is folded and engaged with the connecting slot at the bottom, the connecting tongue has a slot for engagement. The connecting slot engages the connecting tongue inside the connecting slot, increasing the frictional resistance between the connecting tongue and the carton surface, making the top cover less likely to open automatically and improving the stability of the carton after sealing. (3) All panels on the self-locking tape-free carton are cut in one piece, which makes the self-locking tape-free carton have good integrity. The carton adopts a snap-fit ​​structure with snap-fit ​​tongue and snap-fit ​​groove, which allows the entire carton to be sealed without the use of sealing tape, greatly improving the convenience of using the carton. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of the self-locking, tape-free cardboard box of this utility model; Figure 2 This is a schematic diagram of the unfolded structure of the self-locking, tape-free cardboard box of this utility model.

[0015] In the diagram: 1. Self-locking, tape-free cardboard box; 2. Top cover; 3. First connecting tongue; 4. Box body connecting lug; 5. End face folding reinforcing plate; 6. End face snap-fit ​​connector; 7. Connecting slot A; 8. Connecting slot; 9. Second connecting tongue; 10. End connecting slot; 11. Connecting lug tongue; 12. Front and side views; 13. Back panel; 14. End face panel A; 15. End face panel B; 16. Bottom plate; 17. Folding panel. Detailed Implementation

[0016] 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.

[0017] Please see Figures 1-2 This utility model provides a technical solution: a self-locking tape-free carton, including a self-locking tape-free carton 1. The self-locking tape-free carton 1 is provided with a top cover 2, a first connecting tongue 3, an end face folding reinforcing plate 5, an end face locking connector 6, a front side 12, a back panel 13, an end face panel A14, an end face panel B15, a bottom plate 16, and a folding panel 17. The top cover 2, the first connecting tongue 3, the end face folding reinforcing plate 5, the front side 12, the back panel 13, the end face panel A14, the end face panel B15, the bottom plate 16, and the folding panel 17 are an integral structure.

[0018] The end-face panel A14 and the base plate 16 are provided with symmetrical end-connection slots 10 at the crease; A connecting slot A7 is provided at the crease between the base plate 16 and the front side 12.

[0019] One side edge of the end face folding reinforcing plate 5 is symmetrically provided with end face snap joints 6. The end face snap joints 6 and the end face folding reinforcing plate 5 are an integral structure. The end face snap joints 6 press down the box connecting ears 4, thereby improving the overall stability of the carton.

[0020] One edge of the housing connecting ear 4 is provided with a connecting ear latch 11. The housing connecting ear 4 and the back panel 13 are an integral structure. The connecting ear latch 11 and the housing connecting ear 4 are also an integral structure. The connecting ear latch 11 locks the housing connecting ear 4 to the bottom of the housing, which not only improves the support strength of the housing side wall, but also greatly increases the... A second connecting tongue 9 is provided on one side edge of the folding panel 17. The length of the second connecting tongue 9 matches the length of the groove of the connecting slot A7. A connecting slot 8 is provided at the crease between the folding panel 17 and the front side 12. The length of the first connecting tongue 3 matches the length of the groove of the connecting slot 8. The length of the second connecting tongue 9 matches the length of the groove of the connecting slot 8.

[0021] After the second connecting tongue 9 is folded and engaged with the connecting groove 8 at the bottom, the first connecting tongue 3 has a groove for engagement with the connecting groove 8. Engaging the first connecting tongue 3 inside the connecting groove 8 increases the frictional resistance between the first connecting tongue 3 and the surface of the carton, making the top cover 2 less likely to open automatically and improving the stability of the carton after sealing.

[0022] The end face snap connector 6 and the connecting ear snap tongue 11 are of the same length and match. The length of the end face snap connector 6 and the connecting ear snap tongue 11 matches the groove length of the end connecting slot 10. The length of the first connecting snap tongue 3 matches the groove length of the connecting slot 8.

[0023] All panels on the self-locking tape-free carton 1 are cut in one piece, resulting in good overall integrity. The carton adopts a snap-fit ​​structure with snap-fit ​​tongues and slots, which allows the entire carton to be sealed without the use of sealing tape, greatly improving the convenience of using the carton.

[0024] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-locking tape-free carton, comprising a self-locking tape-free carton (1), characterized in that: The self-locking tape-free carton (1) is provided with a top cover (2), a first connecting tongue (3), a box body connecting ear (4), an end face folding reinforcing plate (5), an end face snap connector (6), a front side (12), a back panel (13), an end face panel A (14), an end face panel B (15), a bottom plate (16), and a folding panel (17). The top cover (2), connecting tongue (3), end face folding reinforcing plate (5), front side (12), back panel (13), end face panel A (14), end face panel B (15), bottom plate (16), and folding panel (17) are an integral structure. The end face panel A (14) and the base plate (16) are provided with symmetrical end connection slots (10) at the crease. A connecting slot A (7) is provided at the crease between the base plate (16) and the front side (12).

2. A tape-free cardboard box with a self-locking structure according to claim 1, characterized in that: The end face folding reinforcing plate (5) has a symmetrical end face snap connector (6) on one side edge, and the end face snap connector (6) and the end face folding reinforcing plate (5) are an integral structure.

3. A tape-free cardboard box with a self-locking structure according to claim 1, characterized in that: The box connecting ear (4) has a connecting ear tab (11) on one side edge. The box connecting ear (4) and the back panel (13) are an integral structure. The connecting ear tab (11) and the box connecting ear (4) are an integral structure.

4. A tape-free cardboard box with a self-locking structure according to claim 1, characterized in that: The folding panel (17) has a second connecting tongue (9) on one side edge. The length of the second connecting tongue (9) matches the length of the groove of the connecting slot A (7). The folding panel (17) and the front side (12) have a connecting slot (8) at the crease. The length of the connecting tongue (3) matches the length of the groove of the connecting slot (8).

5. A tape-free cardboard box with a self-locking structure according to claim 4, characterized in that: The length of the second connecting tongue (9) matches the length of the groove of the connecting slot (8).

6. A tape-free cardboard box with a self-locking structure according to claim 2 or 3, characterized in that: The end face snap connector (6) and the connecting ear snap tongue (11) are of the same length and match, and the length of the end face snap connector (6) and the connecting ear snap tongue (11) matches the groove length of the end connecting slot (10).

7. A tape-free cardboard box with a self-locking structure according to claim 1, characterized in that: The length of the first connecting tongue (3) matches the groove length of the connecting slot (8).

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