Carton easy to tear and open
By designing height adjustment components and adhesive assembly components for easy-tear open cartons, the problems of non-adjustable height and tape sealing in traditional cartons have been solved, enabling convenient opening of cartons and environmentally friendly packaging, while reducing inventory management and tape usage costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- BAODING HANDE NEW MATERIAL TECH CO LTD
- Filing Date
- 2025-06-19
- Publication Date
- 2026-05-12
AI Technical Summary
Traditional cardboard boxes have a fixed height, making it difficult to flexibly meet the packaging needs of items of different heights. They are inconvenient to open and rely on tools. Sealing with tape is not environmentally friendly and increases inventory management and resource waste.
设计易撕启纸箱,采用高度调整组件和粘黏组装组件,通过手撕带和断开纹实现快速开启,替代胶带封箱,结合折叠纹和粘黏贴提高纸箱的灵活性和环保性。
It enables convenient opening and height adjustment of cardboard boxes, reduces inventory management costs, reduces tape usage, improves user experience and environmental friendliness, and saves packaging materials.
Smart Images

Figure CN224225538U_ABST
Abstract
Description
Technical Field
[0001] The embodiments disclosed herein relate to the field of cardboard box technology, and more specifically, to an easy-tear open cardboard box. Background Technology
[0002] Against the backdrop of the booming development of e-commerce and logistics industries, the rationality and functionality of cardboard boxes, as the most widely used packaging containers, are becoming increasingly crucial. Traditional cardboard boxes have exposed many problems during use, providing an opportunity for the emergence of easy-open cardboard boxes.
[0003] For a long time, traditional cardboard boxes have generally relied on tape for sealing. Opening them requires tools such as scissors or blades to cut the tape, a cumbersome process that can easily damage the contents. In the express delivery industry, for example, after signing for a package, consumers often need to find tools to open the box, which is extremely inconvenient in outdoor or tool-free environments, greatly reducing the user experience. Even if some cardboard boxes have simple tear-off openings, they are often poorly designed, making them difficult to open and prone to excessive damage, failing to meet people's demand for convenient opening.
[0004] Conventional cardboard boxes have a fixed height, making it difficult to flexibly meet the packaging needs of items of different heights. In practical applications, merchants need to prepare cardboard boxes of various sizes, increasing inventory management costs. Consumers also cannot effectively utilize space when they receive cardboard boxes that are too large or too small, resulting in resource waste. For example, in the apparel e-commerce sector, clothing of different lengths requires cardboard boxes of different heights. If the height of the cardboard boxes cannot be adjusted, problems such as improper packaging and waste of packaging materials will occur.
[0005] With increasing environmental awareness, the packaging industry faces enormous environmental pressure. Traditional sealing tape is mostly made of plastic, which is difficult to degrade. The waste generated after large-scale use poses a serious threat to the environment. According to relevant statistics, the amount of waste tape generated by the logistics industry every year is staggering, and its disposal has become a major problem. At the same time, tape residue affects the recycling of cardboard boxes, increasing recycling costs and process difficulty. Under these circumstances, it is urgent to develop a cardboard box that does not require tape sealing and is easy to recycle.
[0006] Based on the aforementioned pain points of traditional cardboard boxes, the easy-open cardboard box was developed. Through innovative design, it integrates height adjustment components, adhesive assembly components, and other structures to solve problems such as inconvenient opening, non-adjustable height, and poor environmental performance of traditional cardboard boxes, providing the packaging industry with a more efficient, convenient, and environmentally friendly packaging solution. Utility Model Content
[0007] To overcome the above-mentioned defects, the embodiments of this disclosure provide an easy-open cardboard box, which solves the problem that conventional cardboard boxes in the prior art have a fixed height, making it difficult to flexibly meet the packaging needs of items of different heights. In practical applications, merchants need to prepare cardboard boxes of various sizes, increasing inventory management costs; consumers receive cardboard boxes that are too large or too small, which also prevents them from making effective use of space and causes waste of resources. For example, in the field of clothing e-commerce, clothing of different lengths requires cardboard boxes of different heights for packaging. If the height of the cardboard box cannot be adjusted, problems such as packaging not fitting properly and waste of packaging materials will occur.
[0008] According to one aspect, at least one embodiment of this disclosure provides an easy-open carton, comprising:
[0009] Cardboard, wherein the cardboard is provided with fold lines;
[0010] A height adjustment assembly disposed on the carton board;
[0011] An adhesive assembly assembly disposed on the carton board;
[0012] The height adjustment component includes an insertion cavity, which is located inside the cardboard box. A tear strip is provided inside the insertion cavity, with a portion of the upper end of the tear strip extending out of the insertion cavity. The outer wall of the folded texture is provided with a break line, which is composed of several vertical through holes arranged in a straight line.
[0013] As a further technical solution, the insertion cavity is located on the inner wall of the folded texture, and the tear strip is adhesively and fixedly connected to the inner bottom of the insertion cavity.
[0014] As a further technical solution, the adhesive assembly includes a folding plate located on the upper and lower end faces of the cardboard board. A bending groove is provided between the folding plate and the cardboard board. An adhesive sticker is provided on the inner sidewall of the folding plate, and the adhesive sticker matches the outer contour of the folding plate.
[0015] As a further technical solution, the side wall of the carton board is connected to a side panel by fold lines, and a bending plate is provided on the side panel. The bending plate and the folding plate are attached to each other, and the bending plate is bonded to the adhesive.
[0016] As a further technical solution, an unfolding pattern is provided between the side panel and the carton board. The unfolding pattern is located on the opposite side of the folding pattern, and the breaking pattern is located on the unfolding pattern. The breaking pattern is arranged vertically on the unfolding pattern.
[0017] As a further technical solution, a clearance groove is provided at the gap between the folding plate and the bending plate, and the clearance groove has a triangular structure.
[0018] As a further technical solution, a splicing adhesive layer is provided on one side wall of the carton board, and the splicing adhesive layer is bonded to the side panel.
[0019] As a further technical solution, the number of the break lines is four, and all four break lines are located on the outside of the fold lines.
[0020] The beneficial effects of the embodiments disclosed herein are as follows:
[0021] 1. In this disclosure, the easy-tear open cardboard box completely changes the traditional way of opening cardboard boxes that relies on tools. Through the unique tear strip and hand-tear design, users do not need to use scissors, blades or other auxiliary tools. They can simply pull gently to tear the cardboard box along the preset weak line to achieve quick opening. This convenient opening method is especially suitable for scenarios with high requirements for timely opening, such as fresh food and express delivery. For example, when consumers receive fresh food packages, they can quickly open the cardboard box to check the condition of the goods, avoiding damage to the quality of fresh food due to excessive opening time. At the same time, the reasonable easy-tear design allows the cardboard box to remain relatively intact after opening, making it easy to reuse or recycle. This meets users' dual needs for packaging convenience and environmental protection, greatly improving user satisfaction and user experience.
[0022] 2. The height adjustment component and adhesive assembly component of the easy-open carton disclosed herein save enterprises considerable packaging costs. The height adjustment function allows one carton to accommodate items of various heights, eliminating the need for enterprises to stock large quantities of cartons of different sizes, effectively reducing inventory management costs and freeing up warehouse space. In terms of material usage, it avoids material waste caused by mismatch between carton and item sizes, reducing packaging material procurement costs. In addition, the adhesive assembly component replaces traditional tape sealing, reducing tape usage and further lowering consumable costs. With the growth of e-commerce and logistics business, this cost reduction will bring significant economic benefits to enterprises and enhance their cost advantage in market competition. Attached Figure Description
[0023] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.
[0024] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure;
[0025] Figure 2 This is a diagram of the unfolded cardboard of this disclosure;
[0026] Figure 3 Appendix to this disclosure Figure 1 Enlarged view of part A;
[0027] Figure 4 Appendix to this disclosure Figure 2 Enlarged view of part B;
[0028] In the diagram: 1. Cardboard board; 2. Fold lines; 3. Height adjustment assembly; 3-1. Insertion cavity; 3-2. Tear tape; 3-3. Disconnection line; 4. Adhesive assembly assembly; 4-1. Folding plate; 4-2. Bending lines; 4-3. Adhesive; 4-4. Side panel; 4-5. Bending plate; 5. Unfolding lines; 6. Leaving groove; 7. Splicing adhesive layer. Detailed Implementation
[0029] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.
[0030] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."
[0031] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.
[0032] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0033] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to 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 disclosure.
[0034] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0035] like Figures 1-4 As shown, it illustrates an easy-open cardboard box of this disclosure, comprising:
[0036] Cardboard 1, with fold lines 2 provided on cardboard 1;
[0037] Height adjustment component 3 is mounted on carton board 1;
[0038] Adhesive assembly component 4 is mounted on cardboard 1;
[0039] The height adjustment component 3 includes an insertion cavity 3-1, which is located inside the carton board 1. A tear strip 3-2 is provided inside the insertion cavity 3-1, and a portion of the upper end of the tear strip 3-2 extends out of the insertion cavity 3-1. A break strip 3-3 is provided on the outer wall of the fold strip 2. The break strip 3-3 is composed of several vertical through holes arranged in a straight line.
[0040] The adhesive assembly component 4 includes a folding plate 4-1, which is located on the upper and lower end faces of the carton board 1. A bending crease 4-2 is provided between the folding plate 4-1 and the carton board 1. An adhesive sticker 4-3 is provided on the inner side wall of the folding plate 4-1, and the adhesive sticker 4-3 matches the outer contour of the folding plate 4-1.
[0041] In some examples, a creasing machine is used to press fold lines 2 and unfolding lines 5 onto the surface of the cardboard board 1. The fold lines 2 are used for folding and forming the main structure of the cardboard box. By properly designing the fold lines 2, the cardboard board 1 can be quickly folded into a specific shape and efficiently assembled into a box, saving assembly time and manpower. The unfolding lines 5 are located on the opposite side of the fold lines 2, providing a basis for subsequent adjustment of the carton height. In conjunction with the height adjustment component 3, the height of the carton can be flexibly adjusted to meet the packaging needs of items of different heights. A cutting tool or stamping equipment is used on the inner side wall of the fold lines 2 of the cardboard board 1. An insertion cavity 3-1, adapted to the size of the tear strip 3-2, is provided. The well-proportioned insertion cavity 3-1 provides a stable installation space for the tear strip 3-2, ensuring that the tear strip 3-2 will not easily shake or shift during use. One end of the tear strip 3-2 is glued to the bottom of the insertion cavity 3-1 to ensure a firm bond. When the user pulls the tear strip 3-2 that extends out of the insertion cavity 3-1, the break line 3-3 at the unfolding line 5 can be opened, thereby adjusting the height of the carton to meet the packaging needs of items of different sizes and improve the versatility and practicality of the carton.
[0042] Folding plate 4-1 structures are separated from the upper and lower ends of cardboard board 1 by cutting process, and bending lines 4-2 are pressed between folding plate 4-1 and cardboard board 1. Bending lines 4-2 ensure that folding plate 4-1 can be flexibly bent. After folding, it fits tightly with the main body of the cardboard box to form a closed box structure, which plays a good protective role for the internal items and prevents items from falling and external dust and moisture from entering.
[0043] According to the outer contour dimensions of the folding board 4-1, cut an appropriate size of adhesive 4-3 and stick it flat on the inner side wall of the folding board 4-1. The strong adhesion of the adhesive 4-3 makes the folding board 4-1 firmly connected to the bending plate 4-5 on the side plate 4-4, ensuring that the carton is structurally stable during transportation and handling and will not easily fall apart.
[0044] like Figures 1-4 As shown, in this embodiment, the insertion cavity 3-1 is located on the inner wall of the fold 2, and the tear strip 3-2 is glued and fixedly connected to the inner bottom of the insertion cavity 3-1.
[0045] For example, such as Figure 2 As shown, the side wall of the carton board 1 is connected to a side panel 4-4 by fold lines 2. A bending plate 4-5 is provided on the side panel 4-4. The bending plate 4-5 is attached to the folding plate 4-1, and the bending plate 4-5 is glued to the adhesive 4-3.
[0046] In some examples, the side panel 4-4 is connected to the side wall of the carton board 1 by folding 2, and a bent plate 4-5 is processed on the side panel 4-4. The bent plate 4-5 is adapted to the folding plate 4-1 and fits tightly after bending, which further enhances the sealing and overall strength of the carton and provides reliable packaging protection for the goods.
[0047] For example, such as Figure 2 As shown, an unfolding pattern 5 is provided between the side panel 4-4 and the carton board 1. The unfolding pattern 5 is located on the opposite side of the folding pattern 2. The breaking pattern 3-3 is located on the unfolding pattern 5 and is arranged vertically on the unfolding pattern 5.
[0048] In some examples, a punching device is used to punch several vertically arranged through holes on the unfolded texture 5 according to the design requirements, forming the break texture 3-3. These through holes are neatly arranged and can provide a clear tear-opening guide path when the user needs to open the carton, reducing the difficulty of opening and enabling easy tearing, avoiding the problem of needing tools or damaging the integrity of the carton when opening a traditional carton.
[0049] For example, such as Figure 4 As shown, a clearance groove 6 is provided at the gap between the folded plate 4-1 and the bent plate 4-5. The clearance groove 6 has a triangular structure.
[0050] In some examples, the bending plate 4-5 on the side plate 4-4 is bent to fit against the folding plate 4-1. The bending plate 4-5 is then glued together using the adhesive 4-3 on the inner sidewall of the folding plate 4-1. At the same time, a triangular relief groove 6 is machined at the gap between the folding plate 4-1 and the bending plate 4-5. The relief groove 6 ensures smooth folding and connection, avoids assembly problems caused by structural interference, and can disperse stress to a certain extent, thereby enhancing the strength and durability of the connection.
[0051] For example, such as Figure 2 As shown, a splicing adhesive layer 7 is provided on one side wall of the cardboard board 1, and the splicing adhesive layer 7 is adhered to the side panel 4-4.
[0052] In some examples, the cardboard board 1 is folded using the fold lines 2 so that the side panels 4-4 fit into the main body of the cardboard board 1. The side panels 4-4 are then glued and fixed to the cardboard board 1 using the splicing adhesive layer 7, forming the main frame structure of the cardboard box. This splicing method is simple and quick, and can quickly build the basic shape of the cardboard box. The connection is also strong, providing a stable foundation for subsequent assembly.
[0053] For example, such as Figure 1 As shown, there are 4 break lines 3-3, and all 4 break lines 3-3 are located on the outside of fold lines 2.
[0054] In use, the easy-open carton works based on its unique structural design. Through the coordinated operation of the height adjustment component 3, the adhesive assembly component 4, the fold lines 2, and the break lines 3-3, it achieves functions such as carton assembly, height adjustment, sealing, and easy opening, as detailed below:
[0055] During the assembly stage, the adhesive assembly component 4 and the folding pattern 2 play a key role. The folding pattern 2 and bending pattern 4-2 on the carton board 1 provide guidance for the folding and forming of the carton, allowing the carton board 1 to bend along a predetermined trajectory and quickly build the basic shape of the carton. The side panel 4-4 is connected to the carton board 1 through the folding pattern 2. After folding, the bending plate 4-5 on the side panel 4-4 is attached to the folding plate 4-1 on the upper and lower end faces of the carton board 1. At this time, the adhesive 4-3 on the inner side wall of the folding plate 4-1 firmly adheres to the bending plate 4-5 with its strong adhesiveness, thereby completing the sealing and fixing of the main structure of the carton. The splicing adhesive layer 7 further connects the side panel 4-4 to the main body of the carton board 1, enhances the stability of the overall structure, and ensures that the carton will not easily fall apart during transportation and storage, providing reliable protection for the contents.
[0056] The height adjustment component 3 is the key to achieving flexible height adjustment of the carton. When the height of the carton needs to be adjusted, the user pulls the tear strip 3-2 that extends out of the insertion cavity 3-1. Since one end of the tear strip 3-2 is glued and fixed to the bottom of the insertion cavity 3-1, the tear strip 3-2 will generate a pulling force during the pulling process. This pulling force is transmitted to the break line 3-3 at the unfolding line 5. Under the action of the pulling force, the weak line formed by the pre-arranged vertical through holes at the break line 3-3 guides the carton board 1 to tear along this line, thereby changing the height of the carton. In this way, the carton size can be flexibly adjusted according to the height requirements of different items, so that the carton can be adapted to the packaging of various specifications of items, improving the versatility and efficiency of the carton.
[0057] The easy-opening mechanism of the easy-tear carton relies on the design of the tear line 3-3. When users need to open the carton, they do not need to use tools such as scissors or blades. They only need to apply force along the tear line 3-3. Since the tear line 3-3 is composed of several vertically arranged through holes, these through holes weaken the strength of the carton board 1 at this position, forming an easy-tear weak line. The force applied by the user will cause the carton board 1 to tear along the direction of the through holes, thus achieving easy opening. This opening method is not only simple to operate, but also ensures that the carton still has a certain degree of integrity after opening, which is convenient for reuse or recycling. Compared with the traditional carton opening method, it is more environmentally friendly and convenient.
[0058] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.
Claims
1. An easy-open cardboard box, characterized in that, include: Cardboard (1), wherein the cardboard (1) is provided with fold lines (2); A height adjustment component (3) is disposed on the carton board (1); Adhesive assembly component (4) is disposed on the carton board (1); The height adjustment component (3) includes an insertion cavity (3-1) which is located inside the carton board (1). A tear strip (3-2) is provided inside the insertion cavity (3-1), and a portion of the upper end of the tear strip (3-2) extends out of the insertion cavity (3-1). A break strip (3-3) is provided on the outer wall of the fold (2). The break strip (3-3) is composed of several vertical through holes arranged in a straight line.
2. The easy-open cardboard box according to claim 1, characterized in that, The insertion cavity (3-1) is located on the inner wall of the fold (2), and the tear strip (3-2) is glued and fixedly connected to the inner bottom of the insertion cavity (3-1).
3. The easy-open cardboard box according to claim 1, characterized in that, The adhesive assembly component (4) includes a folding plate (4-1), which is located on the upper and lower end faces of the carton board (1). A folding groove (4-2) is provided between the folding plate (4-1) and the carton board (1). An adhesive sticker (4-3) is provided on the inner sidewall of the folding plate (4-1), and the adhesive sticker (4-3) matches the outer contour of the folding plate (4-1).
4. The easy-open cardboard box according to claim 3, characterized in that, The side wall of the cardboard board (1) is connected to a side panel (4-4) by fold lines (2). A bending plate (4-5) is provided on the side panel (4-4). The bending plate (4-5) is attached to the folding plate (4-1). The bending plate (4-5) is bonded to the adhesive (4-3).
5. The easy-open cardboard box according to claim 4, characterized in that, An unfolding pattern (5) is provided between the side panel (4-4) and the carton board (1). The unfolding pattern (5) is located on the opposite side of the folding pattern (2). The breaking pattern (3-3) is located on the unfolding pattern (5). The breaking pattern (3-3) is arranged vertically on the unfolding pattern (5).
6. The easy-open cardboard box according to claim 4, characterized in that, A clearance groove (6) is provided at the gap between the folding plate (4-1) and the bending plate (4-5), and the clearance groove (6) has a triangular structure.
7. The easy-open cardboard box according to claim 4, characterized in that, A splicing adhesive layer (7) is provided on one side wall of the cardboard board (1), and the splicing adhesive layer (7) is adhered to the side panel (4-4).
8. The easy-open cardboard box according to claim 1, characterized in that, The number of the break lines (3-3) is 4, and all 4 break lines (3-3) are located on the outside of the fold lines (2).