A rotary knob type double-opening door packaging box
Patent Information
- Application Number
- CN202522407167.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-13
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-11-13
AI Technical Summary
[0003]然而，这种设计也带来了门体锁紧方面的挑战：传统的双开门包装盒在关闭后往往存在锁紧不牢固的问题，导致门体易松动或意外开启，影响产品保护效果
本实用新型通过设置带有圆形锁槽的旋钮，以及分设于两侧开门上的第一半圆扣和第二半圆扣，实现利用旋拧动作将两扇侧开门同时、牢固地锁紧，结构简单，操作便捷；通过设置悬空的第一卡扣、第二卡扣以及与它们相配合的内层滑槽，旋钮通过旋转即可锁止，使得锁紧状态更为可靠；通过在第一侧开门内侧设置圆扣，实现旋钮的临时固定，通过设置第一嵌入板和第二嵌入板，实现在关门时嵌入前开口，提升包装盒的密闭性；通过设置置物卡座，实现对内装物品的有效卡持和固定，通过设置缓冲垫，实现缓冲外部冲击的目的；本实用新型可实现双开门的快速、稳定锁紧与便捷开启，结构简单紧凑，装配便捷，提升了产品包装安全性和用户使用体验。
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Figure CN224782747U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of packaging box technology, and in particular relates to a knob-type double-door packaging box. Background Technology
[0002] In the field of product packaging, box design is not only crucial for the safety and integrity of products during transportation and storage, but also a key element in showcasing brand image and enhancing user experience. Especially for high-end goods such as cosmetics and alcoholic beverages, packaging boxes often need to balance display and practicality, highlighting the product's appearance or label information while also being easy for consumers to open and close. Therefore, double-door packaging boxes are gaining popularity. Their front-opening design fully exposes the product inside, enhancing visual appeal and making them suitable for retail displays or gift-giving scenarios.
[0003] However, this design also presents challenges in door locking: traditional double-door packaging boxes often lack a secure lock after closing, leading to loose doors or accidental opening, thus affecting product protection. Existing technologies have attempted to address this issue with complex locking mechanisms, such as multi-part latches or additional locks, but these structures typically increase production costs and assembly difficulty, while also making opening the packaging box cumbersome and inconvenient for users.
[0004] Therefore, there is an urgent need for a simple and easy-to-operate knob-type double-door packaging box. Utility Model Content
[0005] The purpose of this utility model is to address the shortcomings of existing technologies by providing a knob-type double-door packaging box that enables quick, stable locking and convenient opening of the double doors. It features a simple and compact structure, easy assembly, and improves product packaging security and user experience.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: A knob-type double-door packaging box includes: The box body has a storage space for placing items inside, and the front front of the box body has a front opening that exposes the storage space; A first side door and a second side door are rotatably provided on both sides of the front end of the box body. The first side door is provided with a first semi-circular buckle at the edge of the end away from its rotating end, and the second side door is provided with a second semi-circular buckle at the edge of the end away from its rotating end. The knob has a circular locking groove on its back that is adapted to the first semicircular buckle and the second semicircular buckle. When the first side door and the second side door are rotated to close the front opening, the circular locking groove of the knob is fitted onto the first semicircular buckle and the second semicircular buckle and turned to lock the first side door and the second side door.
[0007] Furthermore, a first latch is provided at the edge of the first semi-circular latch, and the first latch is suspended relative to the first side-opening door; a second latch is provided at the edge of the second semi-circular latch, and the second latch is suspended relative to the second side-opening door; the circular lock groove includes an outer sliding groove and an inner sliding groove provided within the outer sliding groove, the diameter of the inner sliding groove being larger than the diameter of the outer sliding groove; a first insertion port and a second insertion port corresponding to the first latch and the second latch are also provided at the edge of the outer sliding groove, and the first insertion port and the second insertion port are connected to the inner sliding groove; the first latch and the second latch are respectively installed into the inner sliding groove through the first insertion port and the second insertion port, and when the knob is rotated, the first latch and the second latch will slide within the inner sliding groove.
[0008] Furthermore, the diameter of the outer groove is greater than or equal to the diameter of the first semicircular buckle and the second semicircular buckle after they are spliced together close to each other.
[0009] Furthermore, the first and second semicircular buckles are symmetrical, with the first buckle located at the left end of the first semicircular buckle and the second buckle located at the right end of the second semicircular buckle.
[0010] Furthermore, a round buckle is provided on the inner side of the first side door, and the shape of the round buckle is adapted to the circular lock groove of the knob.
[0011] Furthermore, a third buckle and a fourth buckle are respectively provided at the two ends of the round buckle, and the third buckle and the fourth buckle are suspended relative to the inner side of the first side door.
[0012] Furthermore, the inner sides of the first side-opening door and the second side-opening door are respectively provided with a first embedded plate and a second embedded plate, the shapes of the first embedded plate and the second embedded plate being adapted to the shape of the front opening.
[0013] Furthermore, storage slots are provided at both the top and bottom ends of the accommodating space.
[0014] Furthermore, buffer pads are provided at both the top and bottom ends of the accommodating space, and the storage card holder is located on the buffer pads.
[0015] The beneficial effects of this utility model are: This invention utilizes a knob with a circular locking groove, along with a first and second semi-circular buckle located on each of the two side doors, to simultaneously and securely lock both side doors using a turning motion. The structure is simple and easy to operate. The knob can be locked by simply rotating the knob using the suspended first and second buckles and their corresponding inner sliding grooves, ensuring a more reliable locking state. A circular buckle on the inside of the first side door provides temporary fixation for the knob. The first and second embedding plates allow the knob to be embedded into the front opening when the door is closed, improving the airtightness of the packaging box. A storage holder effectively holds and secures the contents, and a buffer pad cushions external impacts. This invention enables quick and stable locking and convenient opening of both doors, with a simple and compact structure, easy assembly, and improved product packaging safety and user experience. Attached Figure Description
[0016] Appendix Figure 1 This is a schematic diagram of the structure of the knob-type double-door packaging box when closed according to this utility model; Appendix Figure 2 This is a schematic diagram of the structure of the knob-type double-door packaging box when closed according to this utility model; Appendix Figure 3 This is a schematic diagram of the knob structure of this utility model; Appendix Figure 4 This is a cross-sectional view of the knob-type double-door packaging box of this utility model; Appendix Figure 5 This is a schematic diagram of the structure of the knob-type double-door packaging box when it is opened; Appendix Figure 6 This is a schematic diagram of the structure of the knob-type double-door packaging box when it is opened; The diagram shows the following labels: 1-box body, 110-accommodating space, 120-front opening; 2-first side door, 210-first semi-circular buckle, 211-first buckle, 220-circular buckle, 221-third buckle, 222-fourth buckle, 230-first embedded plate; 3-second side door, 310-second semi-circular buckle, 311-second buckle, 320-second embedded plate; 4-knob, 410-circular lock groove, 411-outer sliding groove, 412-inner sliding groove, 413-first placement entrance, 414-second placement entrance; 5-storage holder; 6-buffer pad. Detailed Implementation
[0017] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0018] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are 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.
[0019] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0020] In the embodiments of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0021] See appendix Figure 1 To be continued Figure 6 The illustration shows a specific embodiment of the knob-type double-door packaging box provided by this utility model.
[0022] See appendix Figure 1 and attached Figure 5 The knob-style double-door packaging box includes: Box 1, with an internal storage space 110 for placing items, and a front opening 120 on the front of the front of the box 1 to expose the storage space 110; A first side door 2 and a second side door 3 are rotatably provided on both sides of the front end of the box body 1. A first semi-circular buckle 210 is provided at the edge of the first side door 2 away from its rotating end, and a second semi-circular buckle 310 is provided at the edge of the second side door 3 away from its rotating end. The knob 4 has a circular locking groove 410 on its back that is adapted to the first semicircular buckle 210 and the second semicircular buckle 310. When the first side door 2 and the second side door 3 are rotated to close the front opening 120, the circular locking groove 410 of the knob 4 is fitted onto the first semicircular buckle 210 and the second semicircular buckle 310 and screwed to lock the first side door 2 and the second side door 3.
[0023] See appendix Figure 2 and attached Figure 3 In the above embodiment, the packaging box is a cardboard box. The front of the box body 1 has a front opening 120, while the other five sides are closed, allowing the box body 1 to be opened only from the front for taking out and putting in items. The first side door 2 is located at the left end of the front opening 120. The first semicircular buckle 210 of the first side door 2 is a left semicircle, and the chord of the first semicircular buckle 210 is aligned with the right edge of the first side door 2. The second side door 3 is located at the right end of the front opening 120. The second semicircular buckle 310 of the second side door 3 is a right semicircle, and the chord of the second semicircular buckle 310 is aligned with the left edge of the second side door 3. When closed, the first side door 2 and the second side door 3 are rotated to close the front opening 120. At this time, the first semicircular buckle 210 and the second semicircular buckle 310 combine to form a circle. The circular locking groove 410 of the knob 4 is fitted onto the first semicircular buckle 210 and the second semicircular buckle 310 and screwed to lock them in place, as shown in the attached figure. Figure 4 As shown. When opening, turn knob 4 to remove it from the first semicircular buckle 210 and the second semicircular buckle 310. The locking state between the first semicircular buckle 210 and the second semicircular buckle 310 is released. At this time, the first side door 2 and the second side door 3 can be opened by rotating them to both sides. In an optional embodiment, the arc portion of the first semicircular buckle 210 and the second semicircular buckle 310 can be provided with external threads, and the circular locking groove 410 of knob 4 is provided with internal threads. The screw-locking effect is achieved through the threaded engagement.
[0024] See appendix Figure 2 and attached Figure 3In the above embodiment, a first buckle 211 is provided at the edge of the first semicircular buckle 210, and the first buckle 211 is suspended relative to the first side door 2; a second buckle 311 is provided at the edge of the second semicircular buckle 310, and the second buckle 311 is suspended relative to the second side door 3; the circular lock groove 410 includes an outer sliding groove 411 and an inner sliding groove 412 provided in the outer sliding groove 411, the diameter of the inner sliding groove 412 is larger than the diameter of the outer sliding groove 411; the outer sliding groove 412... At the edge of 11, a first insertion port 413 and a second insertion port 414 corresponding to the first buckle 211 and the second buckle 311 are also provided. The first insertion port 413 and the second insertion port 414 are connected to the inner slide groove 412. The first buckle 211 and the second buckle 311 are respectively installed into the inner slide groove 412 through the first insertion port 413 and the second insertion port 414. When the knob 4 is rotated, the first buckle 211 and the second buckle 311 will slide in the inner slide groove 412. In this embodiment, the first buckle 211 and the second buckle 311 are suspended and form a groove between the first side door 2 and the second side door 3. When the first buckle 211 and the second buckle 311 are installed into the inner slide groove 412 through the first insertion port 413 and the second insertion port 414 and the knob 4 is rotated, the first buckle 211 and the second buckle 311 slide in the inner slide groove 412. The outer edges of the first semicircular buckle 210 and the second semicircular buckle 310 and the groove area correspond to the outer slide groove 411, so that the knob 4 is fixed on the first semicircular buckle 210 and the second semicircular buckle 310, thereby closing and locking the box body 1. The locking state is more reliable and effectively prevents the door from accidentally popping open.
[0025] See appendix Figure 3 In the above embodiment, the diameter of the outer groove 411 is greater than or equal to the diameter of the first semicircular buckle 210 and the second semicircular buckle 310 after they are joined together. The first semicircular buckle 210 and the second semicircular buckle 310 are symmetrical from left to right, with the first buckle 211 located at the left end of the first semicircular buckle 210 and the second buckle 311 located at the right end of the second semicircular buckle 310. In this embodiment, the symmetrical structure makes the force applied by the knob 4 to the two sides of the door more symmetrical and balanced when tightening, facilitating a smooth and stable tightening operation.
[0026] See appendix Figure 5 and attached Figure 6In the above embodiment, a circular buckle 220 is provided on the inner side of the first side door 2, and the shape of the circular buckle 220 is adapted to the circular locking groove 410 of the knob 4. Specifically, a third buckle 221 and a fourth buckle 222 are respectively provided at the two ends of the circular buckle 220, and the third buckle 221 and the fourth buckle 222 are suspended relative to the inner side of the first side door 2. In this embodiment, since the knob 4 needs to be removed when opening the first side door 2 and the second side door 3, in order to avoid the knob 4 being accidentally lost after being removed, this embodiment provides a circular buckle 220 adapted to the circular locking groove 410 of the knob 4 on the inner side of the first side door 2 to temporarily fix and display the knob 4.
[0027] See appendix Figure 5 and attached Figure 6 In the above embodiment, the inner sides of the first side door 2 and the second side door 3 are respectively provided with a first embedding plate 230 and a second embedding plate 320, the shapes of the first embedding plate 230 and the second embedding plate 320 being adapted to the shape of the front opening 120. In this embodiment, when the door is closed, the first embedding plate 230 and the second embedding plate 320 can be precisely embedded into the front opening 120 of the box body 1, improving the airtightness and overall structural strength of the packaging box.
[0028] See appendix Figure 5 and attached Figure 6 In the above embodiment, both the upper and lower ends of the accommodating space 110 are provided with storage holders 5. Furthermore, both the upper and lower ends of the accommodating space 110 are provided with cushioning pads 6, and the storage holders 5 are located on the cushioning pads 6. In this embodiment, the storage holders 5 effectively hold and fix the contents, while the addition of the cushioning pads 6 achieves the purpose of buffering external impacts, preventing the contents from shaking or colliding during transportation, and improving the protective performance of the packaging box for its contents.
[0029] In summary, this embodiment provides a knob-type double-door packaging box. By setting a knob 4 with a circular locking groove 410, and a first semi-circular buckle 210 and a second semi-circular buckle 310 respectively located on the two side doors, the two side doors can be locked simultaneously and securely by turning. The structure is simple and the operation is convenient. By setting a suspended first buckle 211, a second buckle 311, and an inner sliding groove 412 that cooperates with them, the knob 4 can be locked by rotation, making the locking state more reliable. A circular buckle 220 is provided on the inner side of door 2 to temporarily fix the knob 4. By setting the first embedded plate 230 and the second embedded plate 320, the front opening 120 is embedded when the door is closed, improving the airtightness of the packaging box. By setting the storage card seat 5, the contents are effectively held and fixed. By setting the buffer pad 6, the external impact is buffered. This embodiment can realize the quick and stable locking and convenient opening of the double door. The structure is simple and compact, the assembly is convenient, and the product packaging safety and user experience are improved.
[0030] The embodiments described above are merely one of the preferred embodiments of this utility model. Ordinary variations and substitutions made by those skilled in the art within the scope of the technical solution of this utility model should be included within the protection scope of this utility model.
Claims
1. A knob-type double-door packaging box, characterized in that, include: The box body (1) has a storage space (110) for placing items inside, and the front front of the box body (1) has a front opening (120) that exposes the storage space (110). A first side door (2) and a second side door (3) are rotatably provided on both sides of the front end of the box body (1). The first side door (2) is provided with a first semi-circular buckle (210) at the edge of the end away from its rotating end, and the second side door (3) is provided with a second semi-circular buckle (310) at the edge of the end away from its rotating end. The knob (4) has a circular locking groove (410) on its back side that is adapted to the first semicircular buckle (210) and the second semicircular buckle (310). When the first side door (2) and the second side door (3) are rotated to close the front opening (120), the circular locking groove (410) of the knob (4) is fitted onto the first semicircular buckle (210) and the second semicircular buckle (310) and screwed to lock the first side door (2) and the second side door (3).
2. A knob-type double-door packaging box according to claim 1, characterized in that, The first semicircular buckle (210) has a first buckle (211) at its edge, and the first buckle (211) is suspended relative to the first side door (2); the second semicircular buckle (310) has a second buckle (311) at its edge, and the second buckle (311) is suspended relative to the second side door (3); the circular lock groove (410) includes an outer sliding groove (411) and an inner sliding groove (412) provided in the outer sliding groove (411), the diameter of the inner sliding groove (412) is larger than the diameter of the outer sliding groove (411); the outer sliding groove (411) also has a... A first insertion port (413) and a second insertion port (414) are corresponding to the first buckle (211) and the second buckle (311), respectively. The first insertion port (413) and the second insertion port (414) are connected to the inner layer slide groove (412). The first buckle (211) and the second buckle (311) are respectively installed into the inner layer slide groove (412) through the first insertion port (413) and the second insertion port (414). When the knob (4) is rotated, the first buckle (211) and the second buckle (311) will slide in the inner layer slide groove (412).
3. A knob-type double-door packaging box according to claim 2, characterized in that, The diameter of the outer groove (411) is greater than or equal to the diameter of the first semicircular buckle (210) and the second semicircular buckle (310) after they are spliced together close to each other.
4. A knob-type double-door packaging box according to claim 2, characterized in that, The first semicircular buckle (210) and the second semicircular buckle (310) are symmetrical from left to right. The first buckle (211) is located at the left end of the first semicircular buckle (210), and the second buckle (311) is located at the right end of the second semicircular buckle (310).
5. A knob-type double-door packaging box according to any one of claims 2-4, characterized in that, The inner side of the first side door (2) is provided with a circular buckle (220), the shape of which is adapted to the circular lock groove (410) of the knob (4).
6. A knob-type double-door packaging box according to claim 5, characterized in that, The circular buckle (220) has a third buckle (221) and a fourth buckle (222) at its two ends respectively. The third buckle (221) and the fourth buckle (222) are suspended relative to the inner side of the first side door (2).
7. A knob-type double-door packaging box according to claim 1, characterized in that, The inner sides of the first side door (2) and the second side door (3) are respectively provided with a first embedded plate (230) and a second embedded plate (320), and the shapes of the first embedded plate (230) and the second embedded plate (320) are adapted to the shape of the front opening (120).
8. A knob-type double-door packaging box according to claim 1, characterized in that, The upper and lower ends of the accommodating space (110) are provided with storage card holders (5).
9. A knob-type double-door packaging box according to claim 8, characterized in that, Both the upper and lower ends of the accommodating space (110) are provided with buffer pads (6), and the storage card holder (5) is located on the buffer pads (6).