A theft-proof packaging carton

Abstract

The utility model discloses an anti -theft type packing carton relates to carton packing technical field, including the box, the side of box is surrounded by pre -pressing the line of side plate, the upper along of side plate is provided with first roof, the surface of first roof is provided with easy tear strip and buckle, easy tear strip and buckle all adopt point break formula design, easy tear strip is provided with two easy tear lines in parallel, easy tear line's one end is provided with tear and pull head, the junction of buckle and first roof is provided with point break ring, the point break ring and easy tear line are connected through point break line.

Description

Technical Field

[0001] This utility model relates to the field of cardboard packaging technology, specifically to an anti-theft packaging cardboard box. Background Technology

[0002] Cardboard boxes are the most commonly used logistics packaging containers, and their security is of paramount importance. During logistics transportation, cases of goods being switched or stolen frequently occur. Traditional cardboard boxes are usually sealed with ordinary tape or buckles. Criminals can easily tear off the tape or open the buckles, take out the contents, and then reseal the box with new tape. This makes it difficult for the recipient to determine from the appearance whether the cardboard box has been illegally opened, causing economic losses and risks to both the sender and the recipient. Currently, there are some anti-theft packaging technologies on the market, such as using special disposable sealing tape and plastic anti-theft buckles. However, these solutions have problems such as secondary sealing, limited anti-theft evidence, and high costs, which increase the cost of packaging materials and reduce the production and sealing efficiency of cardboard boxes. Utility Model Content

[0003] The purpose of this utility model is to provide an anti-theft packaging carton to solve the technical problem of secondary packaging mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an anti-theft packaging carton, comprising a carton body, the sides of which are formed by side panels with pre-pressed fold lines, a first top plate being provided along the upper edge of the side panels, an easy-tear strip and a buckle being provided on the surface of the first top plate, both the easy-tear strip and the buckle being designed with a point break, the easy-tear strip having two parallel easy-tear lines, one end of the easy-tear lines being provided with a tear head, a point break ring being provided at the connection between the buckle and the first top plate, the point break ring and the easy-tear strip having a point break line, the two ends of the point break line being connected to the easy-tear strip and the point break ring respectively.

[0005] Preferably, a second top plate is provided on the upper edge of the side plate opposite to the first top plate, and an adhesive strip that cooperates with the easy-tear strip is provided on the outer surface of the second top plate. In the sealed state, the first top plate covers the second top plate, the easy-tear strip is located on the outermost layer and covers the joint between the first top plate and the second top plate, and a buckle hole corresponding to the buckle is provided through the second top plate.

[0006] Preferably, the lower end of the buckle is provided with a barb. In the sealed state, the buckle passes through the buckle hole downward through the first top plate and the second top plate and extends the barb into the inside of the box, forming an interlocking structure through the barb (19).

[0007] Preferably, the bottom of the box is provided with a bottom plate, the bottom plate and the second top plate are located at the lower edge of the same side plate, and the other three sides of the bottom plate that are not connected to the side plate are provided with bottom surface connecting plates. A pre-compression fold line is provided between the bottom surface connecting plate and the bottom plate, and a high-adhesion adhesive is applied to the bottom surface connecting plate.

[0008] Preferably, one end of the side plate is provided with a side connecting plate, a pre-compression fold line is provided between the side connecting plate and the side plate, and a high-adhesion adhesive is also applied to the side connecting plate.

[0009] Preferably, the upper edge of each of the adjacent side plates of the first top plate is provided with a top cover plate, and the upper edge of the top cover plate and the side of the second top plate are provided with notches.

[0010] Preferably, the tear line, the dotted break line, and the dotted break loop are all discontinuous tangents, and the mechanical strength of the dotted break line and the dotted break loop is much lower than that of the tear line.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model achieves irreversible damage to the enclosure through a point-break structure design, ensuring that the easy-tear strip and buckle will be damaged and cannot be restored, whether the enclosure is opened normally or illegally. This completely eliminates the possibility of deception through secondary packaging, without the need for additional parts or complex processes, resulting in a small increase in production costs. 2. This utility model achieves the function of dual anti-theft evidence by installing buckles and easy-tear strips. If someone attempts to pry open the box cover directly without tearing the easy-tear strip, the applied external force will force the buckle to break from the connecting rib or the broken line, leaving irreparable damage marks, providing intuitive evidence of destruction and enhancing the reliability of anti-theft. Attached Figure Description

[0012] Figure 1 This is a front view structural diagram of the present utility model; Figure 2 This is a schematic diagram of the unfolded structure of this utility model; Figure 3 This is a schematic diagram of the first top plate structure of this utility model; Figure 4 This is a schematic diagram of the buckle structure of this utility model.

[0013] In the diagram: 1. Box body; 2. Side panel; 3. First top panel; 4. Second top panel; 5. Bottom panel; 6. Bottom connecting plate; 7. Side connecting plate; 8. Top cover; 9. Notch; 10. Pre-compression fold line; 11. Easy-tear strip; 12. Adhesive strip; 13. Tear head; 14. Easy-tear line; 15. Buckle; 16. Clip hole; 17. Point break line; 18. Point break ring; 19. Barb. Detailed Implementation

[0014] 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.

[0015] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0016] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0017] Example 1: Please refer to Figure 1 , Figure 2 and Figure 3 An anti-theft packaging carton includes a carton body 1. The sides of the carton body 1 are formed by side panels 2 through pre-pressed fold lines 10. A first top plate 3 is provided on the upper edge of the side panels 2. An easy-tear strip 11 and a buckle 15 are provided on the surface of the first top plate 3. Both the easy-tear strip 11 and the buckle 15 adopt a point-break design. Two easy-tear lines 14 are arranged in parallel on the easy-tear strip 11. A tear head 13 is provided at one end of the easy-tear line 14. A point-break ring 18 is provided at the connection between the buckle 15 and the first top plate 3. A point-break line 17 is provided between the point-break ring 18 and the easy-tear strip 11. The two ends of the point-break line 17 are respectively connected to the easy-tear strip 11 and the point-break ring 18. A second top plate 4 is provided on the upper edge of the side plate 2 opposite to the first top plate 3. An adhesive strip 12 that cooperates with the easy-tear strip 11 is provided on the outer surface of the second top plate 4. In the sealed state, the first top plate 3 covers the second top plate 4. The easy-tear strip 11 is located on the outermost layer and covers the joint between the first top plate 3 and the second top plate 4. A card hole 16 corresponding to the buckle 15 is provided through the second top plate 4. The tear line 14, the point break line 17, and the point break ring 18 are all discontinuous tangents, and the mechanical strength of the point break line 17 and the point break ring 18 is much lower than that of the tear line 14. Furthermore, the anti-theft packaging carton body 1 of this utility model is formed by folding the side panels 2 together through pre-pressed fold lines 10, creating a regular cubic space. At the top of the carton body 1, a first top plate 3 and a second top plate 4 extend from the upper edge of the side panels 2, respectively. The outer surface of the first top plate 3 is designed with an easy-tear strip 11, which is connected to the first top plate 3 by two parallel easy-tear lines 14 composed of dense micropores. The easy-tear lines 14 ensure that the easy-tear strip 11 remains stable during transportation. The easy-tear strip 11 allows users to easily tear it without tools. At one end, a protruding semi-circular tear head 13 provides a clear point of application for the user. The first top plate 3 also features a buckle 15, which is not a separate component but is integrally formed with the first top plate 3 through a die-cutting process. A dotted-break ring 18 surrounds the connection between the buckle 15 and the first top plate 3. This dotted-break ring 18 is composed of weaker microporous lines. A dotted-break line 17 connects the edge of the easy-tear strip 11 to... The dotted rings 18 above the buckle 15 are directly connected, thus structurally linking the easy-tear strip 11 with the locking state of the buckle 15. The second top plate 4, which is opposite to the first top plate 3, has an adhesive strip 12 pre-coated with pressure-sensitive adhesive on its outer surface. The surface of the adhesive strip 12 is covered with a peelable release paper. The second top plate 4 also has a card hole 16 that is precisely cut out to correspond to the shape and position of the buckle 15. During the packaging operation, the item is first placed into the molded box 1, then the second top plate 4 is folded over to make it horizontal and the release paper on the adhesive strip 12 is peeled off. Then the first top plate 3 is folded down to cover the second top plate 4 and pressure is applied so that the inner surface of the first top plate 3 is firmly bonded to the adhesive strip 12 on the outer surface of the second top plate 4. During this process, the buckle 15 on the first top plate 3 will protrude downward through the card hole 16 on the second top plate 4. The outermost easy-tear strip 11 completely covers the joint gap between the first top plate 3 and the second top plate 4. When the recipient needs to open the carton normally, they simply pinch the tear head 13 on the easy-tear strip 11 with their fingers and tear it backward along the easy-tear line 14. Since the mechanical strength of the dot-break line 17 and the dot-break ring 18 is lower than that of the easy-tear line 14, the force of tearing the easy-tear strip 11 will preferentially destroy the dot-break ring 18 through the dot-break line 17, causing the buckle 15 to separate from the first top plate 3. After removing the easy-tear strip 11, the adhesive seam below is exposed, and the box lid can be opened smoothly. Conversely, if someone attempts to open it illegally by prying the box lid directly with a tool without tearing the easy-tear strip 11, the prying force will be transmitted through the dot-break line 17 to the first top plate 3. The box lid is transferred to the buckle 15 that is already engaged in the card hole 16. Since the strength of the point break ring 18 is much lower than that of the cardboard substrate, this external force will cause the buckle 15 to break at the point break ring 18 at its base, leaving an irreparable hole in the box lid. Therefore, regardless of the opening method, the easy-tear strip 11 and the buckle 15 will be irreversibly damaged, preserving evidence of theft and effectively preventing secondary packaging deception. This provides double protection for logistics security. Moreover, all structures are achieved by die-cutting the cardboard itself without adding any extra parts, thus effectively controlling production costs.

[0018] Example 2: Please refer to Figure 1 , Figure 2 and Figure 4 An anti-theft packaging carton includes a carton body 1. The sides of the carton body 1 are formed by side panels 2 through pre-pressed fold lines 10. A first top plate 3 is provided on the upper edge of the side panels 2. An easy-tear strip 11 and a buckle 15 are provided on the surface of the first top plate 3. The easy-tear strip 11 and the buckle 15 are both designed with point breaks. A point break ring 18 is provided at the connection between the buckle 15 and the first top plate 3. A point break line 17 is provided between the point break ring 18 and the easy-tear strip 11. The two ends of the point break line 17 are respectively connected to the easy-tear strip 11 and the point break ring 18. A second top plate 4 is provided on the upper edge of the side plate 2 opposite to the first top plate 3. A card hole 16 corresponding to the buckle 15 is provided through the second top plate 4. A barb 19 is provided at the lower end of the buckle 15. In the sealed state, the buckle 15 passes through the card hole 16 downward through the first top plate 3 and the second top plate 4 and extends the barb 19 into the inside of the box 1, forming an interlocking structure through the barb 19. The tear line 14, the point break line 17, and the point break ring 18 are all discontinuous tangents, and the mechanical strength of the point break line 17 and the point break ring 18 is much lower than that of the tear line 14. Furthermore, this embodiment focuses on the interlocking mechanism of the buckle 15. The buckle 15 on the first top plate 3 of the carton protrudes downwards, and an outwardly inclined barb 19 structure is designed at its lower end. The second top plate 4 has a locking hole 16 with a size slightly smaller than the maximum outer diameter of the buckle 15 with the barb 19. During the sealing process, when the first top plate 3 covers the second top plate 4, the operator needs to press down forcefully to make the barb 19 at the lower end of the buckle 15 squeeze through the edge of the locking hole 16. Since the corrugated cardboard has a certain degree of elasticity and compressibility, the barb 19 can deform and pass through the locking hole 16. Once it has completely passed through, the barb 19 will be below the locking hole 16. The spring returns to its original shape, thus forming a mechanical interlock structure in the vertical direction. During the normal opening process, the user's action of tearing the easy-tear strip 11 precisely guides the destructive force to the root of the buckle 15, the point break ring 18, through the point break line 17, so that the buckle 15 is neatly separated from the first top plate 3, and the interlock is released. However, when it is illegally pried, the prying force is applied to the point break ring 18. Due to its low mechanical strength, the point break ring 18 will break instantly, causing the buckle 15 to separate from the first top plate 3, forming obvious and irreparable mechanical damage on the box 1. The damage at the root of the buckle 15 becomes a more conclusive and intuitive anti-theft evidence than the easy-tear strip 11.

[0019] Example 3: Please refer to Figure 1 and Figure 2 An anti-theft packaging carton includes a carton body 1. The bottom of the carton body 1 is provided with a bottom plate 5. The bottom plate 5 and the second top plate 4 are located at the lower edge of the same side plate 2. The other three sides of the bottom plate 5 that are not connected to the side plate 2 are provided with bottom surface connecting plates 6. A pre-compression fold line 10 is provided between the bottom surface connecting plate 6 and the bottom plate 5. The bottom surface connecting plate 6 is coated with a high-adhesion adhesive. One end of the side plate 2 is provided with a side connecting plate 7, and a pre-compression fold line 10 is provided between the side connecting plate 7 and the side plate 2. The side connecting plate 7 is also coated with a high-adhesion adhesive. The upper edge of the adjacent side plate 2 of the first top plate 3 is provided with a top cover plate 8, and the upper edge of the top cover plate 8 and the side of the second top plate 4 are provided with a notch 9. Furthermore, this embodiment optimizes the connection structure of the bottom and sides of the box 1 to ensure the integrity and safety of the entire packaging during transportation. The box 1 is made by die-cutting and creasing a complete corrugated cardboard sheet and then folding it. The bottom plate 5 at the bottom of the box 1 is connected to the lower edge of the side plate 2. The other three sides of the bottom plate 5 are connected to the bottom connecting plates 6 through pre-pressed fold lines 10. The inner sides of these bottom connecting plates 6 are pre-coated with a high-adhesion adhesive and covered with release paper. When assembling the box 1, the side plates 2 are first erected and surrounded, then the bottom plate 5 is lifted, and then the three bottom connecting plates 6 are folded inward in sequence and the release paper is removed to firmly attach the bottom connecting plates 6 to the side plates. On the inner wall of box 2, a solid box bottom is formed. At the side connection of box 1, the edge of side panel 2 extends to side connecting plate 7. This side connecting plate 7 is also pre-coated with high-adhesion adhesive. When box 1 is closed, the side connecting plate 7 is folded and bonded to the inner wall of the adjacent side panel 2, ensuring the strength of the side seam. At the top of box 1, in addition to the first top plate 3 and the second top plate 4, the upper edge of the side panel 2 adjacent to the first top plate 3 also extends to the top cover plate 8. The upper edge of the top cover plate 8 and the side of the second top plate 4 are both opened with arc-shaped notches 9. These notches 9 together form an opening space that is easy for fingers to insert after the box is sealed, making it easy to open the second top plate 4 and the top cover plate 8 after opening the box. This design strengthens the bottom and sides of the carton. The strong adhesion of the bottom and sides prevents the carton from cracking or deforming due to bumps during transportation, thus avoiding the possibility of goods being stolen from the bottom or sides. This improves the protective performance without significantly increasing costs and process complexity.

[0020] Working principle: Unfold the die-cut cardboard and fold each side panel 2 upright according to the pre-press fold line 10 to form the box body 1. Fold the side connecting plate 7 located at one end of the side panel 2 inward and firmly bond the pre-coated high-adhesion adhesive on it to the inner wall of the adjacent side panel 2 to complete the sealing of the side of the box body 1. Then lift the bottom plate 5 so that it is perpendicular to the side panel 2. Then fold the bottom connecting plate 6 connected to the three sides of the bottom plate 5 inward in sequence and bring them together. After tearing off the release paper, firmly stick the bottom connecting plate 6 to the inner wall of the side panel 2 to form a sturdy box bottom. After assembling the box 1, the items to be transported can be placed inside the box. Then, fold the two top covers 8 inwards, and then fold the second top cover 4 inwards, pressing it over the folded top covers 8. Peel off the release paper on the adhesive strip 12 on the outer surface of the second top cover 4 to expose the highly adhesive area. Then, fold the first top cover 3 with the easy-tear strip 11 and the buckle 15 downwards to tightly cover the second top cover 4. The operator applies a certain pressure, and the inner surface of the first top cover 3 adheres to the adhesive strip 12 on the outer surface of the second top cover 4 to form a main seal. At the same time, the buckle 15 on the first top cover 3 passes precisely through the pre-set hole 16 on the second top cover 4. The barb 19 at the lower end of the buckle 15 passes through the hole 16 and forms a mechanical interlock with the edge of the hole 16. The easy-tear strip 11 completely covers the outermost layer, covering the seam between the first top cover 3 and the second top cover 4, completing the sealing.

[0021] When the carton is delivered to the recipient, the workflow enters the verification and opening phase. The recipient first checks whether the tear strip is intact. After confirming that everything is in order, the carton is opened normally: the recipient pinches the tear head at the end of the tear strip with their fingers and tears it backward along the two parallel tear lines. Because the dotted break lines connect the tear strip to the dotted break ring at the base of the buckle, and its mechanical strength is extremely low, the force of tearing the tear strip will be immediately transmitted and break the dotted break lines and the dotted break ring, thus removing the entire tear strip. At the same time, the buckle separates from the first top plate, and the interlocking structure is released. After removing the tear strip, the adhesive joint between the first and second top plates is exposed, and the lid can be easily opened. If someone attempts to illegally open the carton during transportation, such as by prying the lid with a tool without tearing the tear strip, the prying force will act directly on the interlocking buckle, causing the fragile dotted break ring to break, damaging the buckle, and leaving permanent marks on the carton that cannot be repaired.

[0022] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A theft-proof packaging carton, characterized in that: The box includes a housing (1), the side of which is formed by a side panel (2) with a pre-pressed fold line (10). A first top plate (3) is provided on the upper edge of the side panel (2). An easy-tear strip (11) and a buckle (15) are provided on the surface of the first top plate (3). The easy-tear strip (11) and the buckle (15) are both designed with a point break. The easy-tear strip (11) has two easy-tear lines (14) arranged in parallel. One end of the easy-tear line (14) is provided with a tear head (13). A point break ring (18) is provided at the connection between the buckle (15) and the first top plate (3). A point break line (17) is provided between the point break ring (18) and the easy-tear strip (11). The two ends of the point break line (17) are respectively connected to the easy-tear strip (11) and the point break ring (18).

2. The anti-theft packaging carton according to claim 1, characterized in that: A second top plate (4) is provided on the upper edge of the side plate (2) opposite to the first top plate (3). An adhesive strip (12) that cooperates with the easy-tear strip (11) is provided on the outer surface of the second top plate (4). In the sealed state, the first top plate (3) covers the second top plate (4). The easy-tear strip (11) is located on the outermost layer and covers the joint between the first top plate (3) and the second top plate (4). A card hole (16) corresponding to the buckle (15) is provided through the second top plate (4).

3. The anti-theft packaging carton according to claim 1, characterized in that: The buckle (15) is provided with a barb (19) at its lower end. In the sealed state, the buckle (15) passes through the buckle hole (16) downward through the first top plate (3) and the second top plate (4) and extends the barb (19) into the box (1), forming an interlocking structure through the barb (19).

4. The anti-theft packaging carton according to claim 1, characterized in that: The bottom of the box (1) is provided with a bottom plate (5), and the bottom plate (5) and the second top plate (4) are located on the lower edge of the same side plate (2). The other three sides of the bottom plate (5) that are not connected to the side plate (2) are provided with bottom connecting plates (6). A pre-pressed fold line (10) is provided between the bottom connecting plate (6) and the bottom plate (5). The bottom connecting plate (6) is coated with a high-viscosity adhesive.

5. The anti-theft packaging carton according to claim 1, characterized in that: One end of the side plate (2) is provided with a side connecting plate (7), and a pre-pressed fold line (10) is provided between the side connecting plate (7) and the side plate (2). The side connecting plate (7) is also coated with a high-viscosity adhesive.

6. The anti-theft packaging carton according to claim 1, characterized in that: The upper edge of the side plate (2) adjacent to the first top plate (3) is provided with a top cover plate (8), and the upper edge of the top cover plate (8) and the side of the second top plate (4) are provided with notches (9).

7. The anti-theft packaging carton according to claim 1, characterized in that: The tear line (14), the dotted break line (17), and the dotted break loop (18) are all discontinuous tangents, and the mechanical strength of the dotted break line (17) and the dotted break loop (18) is much lower than that of the tear line (14).

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