A cigarette case with a box cover opening and closing sealing structure
Patent Information
- Application Number
- CN202522402494.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-12
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-11-12
AI Technical Summary
但是该结构中的盒盖内侧壁前边沿上形成的卡扣缺口为上下宽度相等的长条缺口结构，盒盖盖合后，长条缺口与内框纸卡台适配后之间的活动间隙又会使盒盖松动，从而影响烟盒的密封性，影响烟支保存质量
本实用新型通过对烟盒盒盖结构进行改进，通过在左右两侧的盒盖涂胶内侧壁前边沿均制有斜边，斜边与盒盖外侧壁及盒盖外侧壁的折痕线之间形成三角卡槽，三角卡槽在盒盖盖合时与内框纸上的卡台适配形成剪切状卡合，该结构不仅能够使内框纸上的卡台卡入到盒盖上的三角卡槽中，防止盒盖盖合后卡的太紧而造成盒盖变形以及内框纸卡台的拉伤等问题，而且三角卡槽中的斜边形成坡面，坡面与卡台形成剪切状卡合，使盒盖盖合后坡面上总有一点能够与卡台卡紧，从而避免现有技术中的长条缺口结构与内框纸卡台适配后产生松动的问题，因此该结构能够使烟盒盒盖盖合后处于一种松紧合适的程度，保证盒盖多次重复打开关闭后的使用密封性，保证烟支保存质量。
Smart Images
Figure CN224830441U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of cigarette packaging technology, specifically relating to a cigarette box with a lid opening and closing sealing structure. Background Technology
[0002] Cigarette boxes with a flip-top design typically consist of a lid and a box body. After packaging, there is an inner rigid frame paper inside. When the lid is closed, the latches on both sides of the inner frame paper engage with the creases on the inner wall of the lid, using friction to seal the lid. However, because the front edge of the inner wall of the existing lid is flush, the inner frame paper engages very tightly with the flush edge of the inner wall of the lid after the lid is closed. Repeated opening and closing of the lid can cause deformation at the engagement point, thus affecting the sealing performance and the quality of cigarette preservation. To address the aforementioned issues, existing technologies have improved the cigarette box lid structure by creating a snap-fit notch on the front edge of the inner wall of the lid. After the cigarette box is folded, this notch forms a locking mechanism that mates with the inner frame paper's edge. When the lid is closed, the inner frame paper's edge engages with the snap-fit notch, allowing for a certain amount of play to prevent the lid from being too tight and causing deformation or damage to the inner frame paper's locking mechanism. However, this notch is a long, narrow strip of equal width. After the lid is closed, the play between this strip and the inner frame paper's locking mechanism can cause the lid to loosen, affecting the cigarette box's seal and the quality of the cigarettes' preservation. Therefore, an improvement is necessary.
[0003] Therefore, there is a need for a high-efficiency, low-cost tax stamp pasting device or method that provides accurate tax stamp positioning and uniform stamp opening quality to solve the above-mentioned technical problems. Utility Model Content
[0004] The purpose of this invention is to improve the structure of the cigarette box lid so that the lid can be closed at a suitable tightness, ensuring the sealing performance after repeated opening and closing, and guaranteeing the quality of cigarette preservation.
[0005] This utility model provides the following technical solution: a cigarette box with a lid opening and closing sealing structure, comprising: a cigarette box body and a lid; the lower edge of the back of the lid is integrally formed with the rear edge of the upper opening of the cigarette box body, and the lower edge of the back of the lid is pivotally connected to the rear edge of the upper opening of the cigarette box body; the inside of the cigarette box body is provided with an inner frame paper, and the upper part of the inner frame paper extends outward from the left and right sides of the front wall of the upper opening of the cigarette box body, and a retaining plate is provided; the left and right side walls of the lid are formed by pasting the outer side wall of the lid and the inner side wall of the lid with adhesive, and the joint between the front edge of the inner side wall of the lid with the front wall of the lid on both sides is provided with a bevel, and a triangular retaining groove is formed between the bevel and the outer side wall of the lid and the fold line of the outer side wall of the lid, and the gap of the triangular retaining groove gradually decreases from the outside to the inside along the opening of the lid; when the lid is closed, the triangular retaining groove and the retaining plate are adapted to form a shearing friction engagement.
[0006] Preferably, the upper vertex of the hypotenuse is determined based on the upper vertex of the card plate, and the upper vertex of the hypotenuse coincides with the upper vertex of the card plate after the box cover is closed, and the width of the lower side of the triangular card slot is 0.5 to 1 mm.
[0007] Preferably, the lid includes: a rear wall, a top wall, and a front wall. The lower edge of the rear wall is connected to the rear edge of the top opening of the cigarette box body via a fold line. The upper edge of the rear wall is connected to the rear edge of the top wall via a fold line. The front edge of the top wall is connected to the upper edge of the front wall via a fold line. The lower edge of the front wall is connected to the lid tongue via a fold line. The left and right sides of the front wall are connected to the outer walls of the lid via fold lines, and the left and right sides of the rear wall are connected to the inner walls of the lid with adhesive via fold lines. After the lid is folded, the outer walls and inner walls of the lid on the corresponding sides overlap and are glued together. The top wall of the lid has bottom corner pieces on both sides. The lower edge of the bottom corner pieces is connected to the upper edge of the inner wall of the lid with adhesive via a fold line. The bottom corner pieces are cut apart from the outer walls and the top wall of the lid by tangent lines.
[0008] Preferably, the cigarette box body includes: a front wall, a rear wall, and a bottom wall. The bottom edge of the front wall is connected to the front edge of the bottom wall via a fold line, the rear edge of the bottom wall is connected to the bottom edge of the rear wall via a fold line, the top edge of the rear wall is connected to the bottom edge of the rear wall of the lid via a fold line, and the left and right sides of the front wall are connected to the outer walls of the box via fold lines. The left and right sides of the rear wall are connected to the glued inner walls of the box via fold lines. After the box is folded, the corresponding outer walls and glued inner walls are glued together. The bottom edge of the glued inner wall is connected to a lower wing via a fold line, and the lower wing is cut away from the outer walls and the bottom wall via a tangent.
[0009] The beneficial effects of this utility model are: This invention improves the structure of the cigarette box lid by creating beveled edges on the front edges of the inner walls of the lid on both sides. These beveled edges form triangular grooves between the outer walls and creases of the lid. When the lid is closed, these grooves engage with the mounting plates on the inner frame paper in a shearing manner. This structure not only prevents the mounting plates on the inner frame paper from locking into the triangular grooves on the lid, thus avoiding problems such as lid deformation and damage to the mounting plates after the lid is closed due to excessive tightness, but also ensures that there is always a point on the slope that engages with the mounting plates after the lid is closed. This avoids the problem of loosening that occurs when the long notch structure of the prior art is fitted with the mounting plates. Therefore, this structure ensures that the cigarette box lid is closed at a suitable tightness, guaranteeing the sealing performance after repeated opening and closing, and ensuring the quality of cigarette preservation. Attached Figure Description
[0010] Figure 1 This is a three-dimensional structural diagram of a cigarette box with a lid opening and closing sealing structure according to the present invention; Figure 2 This is a schematic diagram of the unfolded structure of the cigarette box of this utility model; Figure 3 For the present utility model Figure 2 An enlarged schematic diagram of the structure of part A.
[0011] In the diagram, 1. Cigarette box body; 2. Box lid; 3. Inner frame paper; 1-1. Front wall of box body; 1-2. Rear wall of box body; 1-3. Bottom wall of box body; 1-4. Outer wall of box body; 1-5. Inner wall of box body with adhesive coating; 1-6. Lower wing of box body; 2-1. Rear wall of box lid; 2-2. Top wall of box lid; 2-3. Front wall of box lid; 2-4. Inner wall of box lid with adhesive coating; 2-5. Outer wall of box lid; 2-6. Bottom corner piece of box lid; 2-4-1. Bevel; 2-4-2. Triangular groove. Detailed Implementation
[0012] The relevant technologies of this 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 this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0013] like Figures 1-3As shown, this embodiment provides a cigarette box with a lid opening and closing sealing structure. The cigarette box includes a cigarette box body 1 and a lid 2. The lower rear edge of the lid 2 is pivotally connected to the rear upper edge of the cigarette box body 1. The cigarette box body 1 has an inner frame paper 3 inside. The upper front wall of the inner frame paper 3 has a locking platform 3-1 extending from the inside to the outside on both the left and right sides. The left and right side walls of the lid 2 are formed by pasting the outer side wall 2-5 of the lid and the inner side wall 2-4 of the lid with adhesive together. The front edge of the inner side wall 2-4 of the lid on both the left and right sides has a bevel 2-4-1. The bevel 2-4-1 forms a triangular locking groove 2-4-2 between the outer side wall 2-5 of the lid and the fold line of the outer side wall 2-5 of the lid. When the lid 2 is closed, the triangular locking groove 2-4-2 is adapted to the locking platform 3-1 on the inner frame paper 3 to form a shearing locking.
[0014] In practical applications, when the cigarette box needs to be closed, simply rotate the lid 2 downwards around the pivot axis, gradually bringing the lid 2 closer to the top opening of the cigarette box body 1. As the lid 2 rotates, the locking platform 3-1 on the inner frame paper 3 gradually enters the triangular locking groove 2-4-2 formed by the left and right side walls of the lid 2. Since the gap between the triangular locking groove 2-4-2 and the opening of the lid 2 gradually decreases from the outside to the inside, and the upper vertex of the hypotenuse 2-4-1 is determined according to the upper vertex of the locking platform 3-1, during the closing process of the lid 2, the locking platform 3-1 will slide along the hypotenuse 2-4-1 until the upper vertex of the hypotenuse 2-4-1 coincides with the upper vertex of the locking platform 3-1. At this time, the triangular locking groove 2-4-2 and the locking platform 3-1 form a shearing friction engagement. This locking mechanism ensures that after the lid 2 is closed, it will not deform due to excessive tightness or damage to the inner frame paper 3, nor will it loosen due to excessive gaps, thus guaranteeing the airtightness of the cigarette box.
[0015] When you need to open the cigarette box, simply lift the lid 2 gently upwards. Because the triangular groove 2-4-2 and the locking platform 3-1 engage with a shearing friction, the locking platform 3-1 will gradually slide out of the triangular groove 2-4-2 along the inclined side 2-4-1 as you lift the lid 2, allowing the lid 2 to open smoothly. Moreover, due to this locking structure design, even after repeated opening and closing of the lid 2, the locking area between the lid 2 and the cigarette box body 1 maintains good sealing performance, preventing a decrease in sealing due to frequent operation. This effectively ensures the preservation quality of the cigarettes and prevents the cigarettes from being affected by moisture, oxidation, or other factors.
[0016] Furthermore, the various components of the cigarette case are connected by crease lines, facilitating folding and shaping during production and improving efficiency. Simultaneously, the compact structure of the lid 2 and the cigarette case body 1, along with the rational overall design, ensures both functionality and aesthetic appeal. Moreover, this type of cigarette case with a lid-opening and sealing structure is relatively simple to manufacture, has low cost, and is suitable for large-scale production, meeting the market demand for high-quality cigarette cases.
[0017] For further details, please refer to [link / reference]. Figure 3 As shown, the upper vertex of the hypotenuse 2-4-1 is determined according to the upper vertex of the card platform 3-1 and the two coincide after the cover 2 is closed. The width a of the lower side of the triangular card slot 2-4-2 is 0.5 to 1 mm.
[0018] In this embodiment, bevels are formed along the front edge of the inner wall of the lid on both the left and right sides. These bevels, along with the outer wall of the lid and its crease, form triangular grooves. When the lid is closed, these grooves engage with the card holders on the inner frame paper in a shearing manner. This structure not only allows the card holders on the inner frame paper to engage with the triangular grooves on the lid, preventing the lid from being too tightly closed and causing deformation or damage to the card holders, but also ensures that the bevels in the triangular grooves form a slope. This slope engages with the card holders in a shearing manner, ensuring that there is always a point on the slope that engages with the card holders after the lid is closed. Furthermore, slight adjustments to the vertical position of the card holders can maintain the tightness of the engagement with the inner slope of the lid. This avoids the loosening problem that occurs when the long, notched structure of the prior art is fitted with the card holders on the inner frame paper. Therefore, this structure ensures that the cigarette box lid is closed at a suitable tightness, guaranteeing the seal after repeated opening and closing and ensuring the quality of cigarette preservation.
[0019] In a specific implementation method: see Figure 2 As shown, the lid 2 includes a rear wall 2-1, a top wall 2-2, and a front wall 2-3. The lower edge of the rear wall 2-1 is integrally connected to the rear edge of the upper opening of the cigarette box body 1 via a fold line. The upper edge of the rear wall 2-1 is connected to the rear edge of the top wall 2-2 via a fold line. The front edge of the top wall 2-2 is connected to the upper edge of the front wall 2-3 via a fold line. The lower edge of the front wall 2-3 is connected to the lid tongue via a fold line. The left and right sides of the front wall 2-3 are respectively connected to the outer walls 2-5 via fold lines. The left and right sides of the rear wall 2-1 are connected to the inner walls 2-4 of the lid with adhesive coating via fold lines. After the lid 2 is folded, the outer wall 2-5 of the lid and the inner wall 2-4 of the lid with adhesive are overlapped and pasted together. The top wall 2-2 of the lid has bottom corner pieces 2-6 on both the left and right sides. The lower edge of the bottom corner piece 2-6 is connected to the upper edge of the inner wall 2-4 of the lid with adhesive through a fold line. The bottom corner piece 2-6 is cut apart from the outer wall 2-5 and the top wall 2-2 of the lid by a tangent line.
[0020] In a specific implementation method: see Figure 2 As shown, the cigarette box body 1 includes a front wall 1-1, a rear wall 1-2, and a bottom wall 1-3. The bottom edge of the front wall 1-1 is connected to the front edge of the bottom wall 1-3 via a crease line. The rear edge of the bottom wall 1-3 is connected to the bottom edge of the rear wall 1-2 via a crease line. The top edge of the rear wall 1-2 is connected to the bottom edge of the rear wall 2-1 of the lid via a crease line. The left and right edges of the front wall 1-1 are each connected to a box lid via crease lines. The outer side wall 1-4 and the left and right sides of the rear wall 1-2 of the box are connected to the inner side wall 1-5 of the box through fold lines. After the box 1 is folded, the outer side wall 1-4 and the inner side wall 1-5 of the box on the corresponding side are glued together. The lower edge of the inner side wall 1-5 of the box is connected to the lower wing 1-6 of the box through fold lines. The lower wing 1-6 of the box is cut apart from the outer side wall 1-4 and the bottom wall 1-3 of the box through tangent lines.
[0021] In actual production, the selection of materials for each component of the cigarette box is also very important. The cigarette box body and lid are usually made of paper materials with a certain strength and stiffness, which ensures that the cigarette box is not easily deformed during normal use and meets the requirements for folding. The inner frame paper is made of relatively tough paper to ensure that the locking mechanism is not easily damaged during repeated locking and unlocking with the lid.
[0022] In terms of manufacturing process, the paper for each component is first cut according to the design requirements. Specialized cutting equipment is used to precisely cut the shape and dimensions of the front, back, and bottom walls of the box, the back, top, and front walls of the lid, and the inner frame paper. Then, a crease machine is used to press crease lines at the appropriate locations. The depth and width of the crease lines need to be strictly controlled to ensure the accuracy and smoothness of the folding. For areas requiring gluing, such as the outer wall of the lid and the glued inner wall of the lid, and the outer wall of the box and the glued inner wall of the box, environmentally friendly adhesive is used. During the gluing process, it is essential to ensure a firm bond and no excess adhesive.
[0023] In the assembly process, the inner frame paper is first placed in a suitable position inside the cigarette box, with its locking mechanism extending beyond the left and right sides of the front wall of the top opening of the box. Then, the lid is connected to the cigarette box body via a pivot, completing the initial assembly. Finally, the assembled cigarette box undergoes a quality inspection, checking whether the lid opens and closes smoothly, whether the triangular locking groove and locking mechanism engage tightly and appropriately, and whether the overall sealing of the cigarette box is good. Only cigarette boxes that pass this rigorous quality inspection are allowed to enter the market for sale, ensuring that consumers can use high-quality cigarette boxes with a secure opening and closing mechanism.
[0024] In summary, this utility model has beveled edges on the front edges of the inner walls of the box lid on both the left and right sides. The beveled edges form triangular grooves between the outer walls of the box lid and the fold lines of the outer walls of the box lid. When the box lid is closed, the triangular grooves adapt to the card plates on the inner frame paper to form a shearing engagement. This structure not only allows the card plates on the inner frame paper to be engaged in the triangular grooves on the box lid, but also prevents the box lid from being deformed due to being too tightly closed, as well as the inner frame paper card plates from being pulled.
[0025] It should be emphasized that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model in any way. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.
Claims
1. A cigarette box with a lid opening and closing sealing structure, characterized in that, include: Cigarette box body (1) and box lid (2); the lower edge of the back of the box lid (2) is integrally formed with the back edge of the upper opening of the cigarette box body (1), and the lower edge of the back of the box lid (2) is pivotally connected to the back edge of the upper opening of the cigarette box body (1). The cigarette box body (1) has an inner frame paper (3) inside. The upper part of the inner frame paper (3) extends outward from the left and right sides of the front wall of the upper opening of the cigarette box body (1). The left and right side walls of the lid (2) are formed by pasting the outer side wall (2-5) of the lid and the inner side wall (2-4) of the lid with adhesive. The front edge of the inner side wall (2-4) of the lid with adhesive on both sides is provided with a bevel (2-4-1) at the joint with the front wall (2-3) of the lid. The bevel (2-4-1) forms a triangular groove (2-4-2) between the outer side wall (2-5) of the lid and the fold line of the outer side wall (2-5). The gap of the triangular groove (2-4-2) gradually decreases from the outside to the inside along the opening of the lid (2). When the lid (2) is closed, the triangular slot (2-4-2) and the card platform (3-1) are adapted to form a shearing friction engagement.
2. A cigarette box with a lid opening and closing sealing structure according to claim 1, characterized in that, The upper vertex of the hypotenuse (2-4-1) is determined according to the upper vertex of the card plate (3-1) and the upper vertex of the hypotenuse (2-4-1) coincides with the upper vertex of the card plate (3-1) after the cover (2) is closed. The width of the lower side of the triangular card slot (2-4-2) is 0.5-1mm.
3. A cigarette box with a lid opening and closing sealing structure according to claim 1, characterized in that, The lid (2) includes: a rear wall (2-1), a top wall (2-2), and a front wall (2-3). The lower edge of the rear wall (2-1) is connected to the rear edge of the upper opening of the cigarette box body (1) through a fold line. The upper edge of the rear wall (2-1) is connected to the rear edge of the top wall (2-2) through a fold line. The front edge of the top wall (2-2) is connected to the upper edge of the front wall (2-3) through a fold line. The lower edge of the front wall (2-3) is connected to the lid tongue through a fold line. The left and right sides of the front wall (2-3) of the box lid are connected to the outer wall (2-5) of the box lid through fold lines, and the left and right sides of the rear wall (2-1) of the box lid are connected to the inner wall (2-4) of the box lid through fold lines. After the lid (2) is folded, the outer wall (2-5) of the lid and the inner wall (2-4) of the lid are overlapped and pasted together. The top wall (2-2) of the lid is provided with bottom corner pieces (2-6) on both the left and right sides. The lower edge of the bottom corner piece (2-6) is connected to the upper edge of the inner wall (2-4) of the lid through a fold line. The bottom corner piece (2-6) is cut apart from the outer wall (2-5) and the top wall (2-2) of the lid through a tangent line.
4. A cigarette box with a lid opening and closing sealing structure according to claim 1, characterized in that, The cigarette box body (1) includes: a front wall (1-1), a rear wall (1-2), and a bottom wall (1-3). The bottom edge of the front wall (1-1) is connected to the front edge of the bottom wall (1-3) by a fold line. The rear edge of the bottom wall (1-3) is connected to the bottom edge of the rear wall (1-2) by a fold line. The top edge of the rear wall (1-2) is connected to the bottom edge of the rear wall (2-1) of the lid by a fold line. The left and right edges of the front wall (1-1) are connected to the outer side walls (1-4) of the box by fold lines. The left and right sides of the rear wall (1-2) of the box are connected to the inner sidewall (1-5) of the box through fold lines. After the box (1) is folded, the outer sidewall (1-4) of the box and the inner sidewall (1-5) of the box are pasted together. The lower edge of the inner wall (1-5) of the box body is connected to the lower wing (1-6) of the box body through a crease line. The lower wing (1-6) of the box body is cut apart from the outer wall (1-4) and the bottom wall (1-3) of the box body by a tangent line.