Flexible folding hinge box

The folding hinge box, made of flexible hinges and bio-based materials, achieves a smooth 180° bend, solving the problem of large space occupation in existing folding boxes during transportation and storage, improving production and space utilization efficiency, and simplifying the assembly process.

CN223703371UActive Publication Date: 2025-12-23HUNAN UNIV OF TECH
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Patent Information

Application Number
CN202520783996.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2025-12-23
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

Existing folding boxes occupy a lot of space during transportation and storage, have complex manufacturing processes, and low production efficiency.

Method used

The folding hinged box, made with flexible hinges and bio-based materials, allows for smooth 180° bending through the flexible hinges. Combined with protective side strips and a sealing structure, it simplifies the assembly process.

Benefits of technology

It reduces the space occupied for warehousing and transportation, improves space utilization and production efficiency, avoids mechanical wear, reduces assembly difficulty and space during transportation, improves the speed of assembly and the convenience of assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a flexible folding hinge box, which belongs to the technical field of box bodies and comprises a lower box plate, the front end of the lower box plate is connected with the bottom end of a front box plate through a lower box sealing structure, the rear end of the lower box plate is connected with the bottom end of a rear box plate through a flexible hinge, and the left end and the right end of the lower box plate are connected with the bottom ends of side box plates through protective edge strips. The tops of the side box plates, the top of the front box plate and the top of the rear box plate are connected with an upper box plate, the front end of the upper box plate is connected with the top end of the front box plate through an upper box sealing structure, the rear end of the upper box plate is connected with the top end of the rear box plate through a flexible hinge, and the left end and the right end of the upper box plate are connected with the top ends of the side box plates through protective edge strips. The box body can be smoothly bent by 180 degrees through the flexible hinge, so that the occupied area after the box body is folded and stored is reduced, the space utilization efficiency and the production efficiency of the box body in the storage and transportation process are improved, and the problem of mechanical wear of a traditional hinge is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to box technology field, more specifically, relate to a flexible folding hinge box. BACKGROUND

[0002] The folding box is a kind of folding box, its main function is used for the storage of goods after unfolding, with the continuous progress of technology, the demand of folding box is more and more, so that folding box has come to rapid development.

[0003] At present, most folding boxes cannot be completely folded, and the storage space required for transportation is large, the manufacturing process is complex, and the production efficiency is low. UTILITY MODEL CONTENT

[0004] The utility model is mainly to provide a flexible folding hinge box to solve the background technical problem of above.

[0005] According to the first aspect of the utility model, a flexible folding hinge box is provided, including lower box plate, the front end of the lower box plate is connected with the bottom end of front box plate through lower sealing box structure, the rear end of the lower box plate is connected with the bottom end of rear box plate through flexible hinge, the left and right ends of the lower box plate are connected with the bottom end of side box plate through protective edge strip, the top of side box plate, front box plate and rear box plate is connected with upper box plate, the front end of the upper box plate is connected with the top end of the front box plate through upper sealing box structure, the rear end of the upper box plate is connected with the top end of the rear box plate through flexible hinge, the left and right ends of the upper box plate are connected with the top end of the side box plate through protective edge strip.

[0006] In a specific embodiment of the utility model, the flexible hinge is made of elastic material and is a foldable integrated structure, the two ends of the flexible hinge are symmetrically provided with U-shaped grooves for connecting box plates, and the thickness of one side of the U-shaped groove is greater than the thickness of the other side of the U-shaped groove.

[0007] In a specific embodiment of the utility model, the top two ends of the protective edge strip are provided with round corner structures, one end of the protective edge strip is provided with a folding portion, and a folding groove is arranged between the folding portion and the protective edge strip.

[0008] In a specific embodiment of the utility model, first and second matching grooves are arranged on the protective edge strip, the first matching groove is connected with the side box plate, and the second matching groove is connected with the lower box plate or the upper box plate.

[0009] In one specific embodiment of the utility model, the rear end of the upper box plate and the lower box plate is provided with a first assembly notch connected with the flexible hinge, the front end of the upper box plate and the lower box plate is provided with a second assembly notch, and the second assembly notch is connected with the upper sealing box structure or the lower sealing box structure.

[0010] In one specific embodiment of the utility model, the length of the second assembly notch is greater than the length of the first assembly notch.

[0011] In one specific embodiment of the utility model, the left and right ends of the side box plate are provided with side assembly notches connected with the flexible hinge.

[0012] In one specific embodiment of the utility model, the top of the front box plate is provided with an upper assembly groove connected with the upper sealing box structure, the bottom of the front box plate is provided with a lower assembly groove connected with the lower sealing box structure, the left and right ends of the front box plate are provided with fourth assembly notches connected with the flexible hinge, the upper and lower ends of the rear box plate are provided with fifth assembly notches connected with the flexible hinge, and the left and right ends of the rear box plate are provided with sixth assembly notches connected with the flexible hinge.

[0013] In one specific embodiment of the utility model, the upper sealing box structure comprises an upper lock cover plate and an upper lock groove plate, the upper lock cover plate and the upper lock groove plate are fixedly connected, the top of the upper lock cover plate is fixedly provided with an upper lock tongue plate, the bottom of the upper lock tongue plate is symmetrically provided with an upper tongue hook part, the middle part of the upper lock cover plate is provided with an upper assembly hole, a hand buckle capable of moving up and down is installed on the upper assembly hole, wedge grooves are symmetrically arranged on the two sides of the hand buckle, an upper hook lock piece is movably installed on the wedge grooves, and the other end of the upper hook lock piece is buckled with the upper tongue hook part.

[0014] In one specific embodiment of the utility model, the lower sealing box structure comprises a lower lock tongue plate, the top of the lower lock tongue plate is fixedly connected with a lower lock cover plate and a lower lock groove plate, the lower lock cover plate and the lower lock groove plate are fixedly connected, a movable lower hook lock piece is arranged between the lower lock cover plate and the lower lock groove plate, the bottom of the lower hook lock piece is provided with a lower hook lock hook, the top of the lower lock tongue plate is provided with a lower lock tongue hook matched with the lower hook lock hook, and the lower hook lock hook and the lower lock tongue hook are movably buckled.

[0015] The above technical solution of the utility model has at least one of the following advantages or beneficial effects:

[0016] The flexible folding hinge box is unfolded by taking the rear box plate as the center, the two side box plates are folded to the direction of the rear box plate through the flexible hinge, the upper box plate and the lower box plate are folded to the direction of the rear box plate through the flexible hinge, and finally the front box plate is fixed at the rear box plate, so that the occupied area after folding and storage is small, and the space utilization efficiency and production efficiency of the box during storage and transportation are improved, the flexible hinge can realize 180-degree smooth bending of the box without metal parts, the storage and transportation space is reduced, and the mechanical wear problem of the traditional hinge is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model is further illustrated below by combining with the drawings and examples;

[0018] Figure 1 It is the structural schematic diagram of flexible folding hinge box in an embodiment of the utility model;

[0019] Figure 2 It is the exploded structural schematic diagram of flexible folding hinge box in an embodiment of the utility model;

[0020] Figure 3 It is the structural schematic diagram of flexible hinge in an embodiment of the utility model;

[0021] Figure 4 It is the structural schematic diagram of protective edge strip in an embodiment of the utility model;

[0022] Figure 5 It is the exploded structural schematic diagram of upper sealing box structure in an embodiment of the utility model;

[0023] Figure 6 It is the exploded structural schematic diagram of lower sealing box structure in an embodiment of the utility model. DETAILED DESCRIPTION

[0024] The embodiment of the utility model is described in detail below, and the examples of the embodiment are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiment described below by referring to the drawings is exemplary, is only used to explain the utility model, and cannot be understood as the limitation of the utility model.

[0025] In the description of the utility model, it needs to be understood that the orientation description, such as the orientation or position relationship of up, down, front, back, left and right, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the utility model.

[0026] In the description of the utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing the purpose of technical features, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0027] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more features.

[0028] In the description of the utility model, it should be pointed out that, unless otherwise explicitly specified and limited, the term "connection" should be broadly understood, for example, it can be fixedly connected or movably connected, or it can be detachably connected or non-detachably connected, or integrally connected;It can be mechanical connection, or electrical connection or can communicate with each other;It can be directly connected, or indirectly connected through intermediate medium, it can be the internal communication of two elements, indirect communication or the interaction relationship of two elements.

[0029] The following disclosure provides many different implementations or examples to realize different schemes of the utility model.

[0030] Referring to Figures 1 to 6 As shown in the figure, a flexible folding hinge box is provided, which comprises a lower box plate 1, the front end of the lower box plate 1 is connected with the bottom end of the front box plate 4 through a lower sealing box structure 2, the rear end of the lower box plate 1 is connected with the bottom end of the rear box plate 5 through a flexible hinge 3, the left and right ends of the lower box plate 1 are connected with the bottom end of the side box plate 7 through the protective edge strip 6, the top of the side box plate 7, the front box plate 4 and the rear box plate 5 is connected with the upper box plate 8, the front end of the upper box plate 8 is connected with the top end of the front box plate 4 through the upper sealing box structure 9, the rear end of the upper box plate 8 is connected with the top end of the rear box plate 5 through the flexible hinge 3, and the left and right ends of the upper box plate 8 are connected with the top end of the side box plate 7 through the protective edge strip 6.

[0031] In the embodiment, each box plate is made of a bio-based material (straw, reed, bagasse, etc. non-food and non-wood materials) and is formed by high temperature and high pressure, which is different from the existing PP plastic box. The bio-based box plate is completely degradable and recyclable. In order to improve the convenience and accuracy of assembly, the upper box plate 8, the lower box plate 1, the side box plate 7, the front box plate 4, the rear box plate 5, and the flexible hinge 3 or the protective edge strip 6 are connected in cooperation to form a box body. When folding and storing are needed, the rear box plate 5 is unfolded as the center, the two side box plates 7 are folded towards the rear box plate 5 through the flexible hinge 3, then the upper box plate 8 and the lower box plate 1 are folded towards the rear box plate 5 through the flexible hinge 3, and finally the front box plate 4 is fixed at the rear box plate 5, so that the occupied area after folding and storing is small, and the space utilization efficiency and production efficiency of the box body in the process of storage and transportation are improved. The utility model has the advantages of simple structure, quick assembly, flexible hinge 3 without metal parts to realize 180° smooth bending of the box body, reduce the storage and transportation space occupation, and avoid the mechanical wear problem of the traditional hinge.

[0032] In an embodiment of the utility model, the flexible hinge 3 is made of an elastic material and is integrally formed in a foldable structure. The two ends of the flexible hinge 3 are symmetrically provided with U-shaped grooves 31 for connecting the box plates. The thickness of one side of the U-shaped groove 31 is greater than the thickness of the other side of the U-shaped groove 31. The U-shaped groove 31 is mainly used for positioning and assembling with other box plates to ensure that the connection between the components is tight and accurate. The thickened side of the U-shaped groove 31 can be used as an anti-falling structure. The flexible hinge 3 is integrally assembled with the box plate after assembly and wraps the entire box body. The thickened side of the U-shaped groove 31 can more effectively protect the box body when it is impacted or falls, realizing the design concept of structural function integration.

[0033] Preferably, the middle part of the U-shaped groove 31 is provided with a boss, which is connected with the corresponding notch of the box plate to position and assemble and limit.

[0034] In an embodiment of the utility model, the top two ends of the protective edge strip 6 are provided with a round corner structure. One end of the protective edge strip 6 is provided with a folding part 61, and a folding groove 62 is arranged between the folding part 61 and the protective edge strip 6. The protective edge strip 6 can be made of a biodegradable flexible material. This material not only meets the environmental protection requirements, but also has good buffering performance. The round corner structure can effectively prevent collision and can effectively reduce the stress concentration phenomenon. When the box body is impacted or collided, the impact force can be significantly reduced, thereby better protecting the goods in the box. The folding groove 62 is used to ensure that the folding part 61 (round corner structure) does not interfere with the rear box plate 5 when the box body is folded, thereby avoiding affecting the folding performance of the box body as a whole. The folding groove 62 not only realizes the anti-falling and anti-collision functions, but also ensures the gap sealing problem of the flexible hinge box at the box plate connection, solves the interference problem when folding, and realizes the design concept of structural function integration.

[0035] Further, the protective edge 6 is provided with a first matching groove 63 and a second matching groove 64, the first matching groove 63 is connected with the side box plate 7, the second matching groove 64 is connected with the lower box plate 1 or the upper box plate 8, the first matching groove 63 and the second matching groove 64 are matched with the box plate, and the position of the lower box plate 1 or the upper box plate and the side box plate 7 is accurate when the box is closed, so that the stability of the whole box structure is improved, and the protection performance is enhanced, and the safety of the goods in the transportation process is guaranteed.

[0036] In an embodiment of the utility model, the rear end of the upper box plate 8 and the lower box plate 1 is provided with the first assembly notch 10 connected with the flexible hinge 3, and the front end of the upper box plate 8 and the lower box plate 1 is provided with the second assembly notch 20 connected with the upper sealing box structure 9 or the lower sealing box structure 2, the first assembly notch 10 assists the positioning and assembly of the box plate and the flexible hinge 3 or the protective edge 6, the connection between the components is tight and accurate, and the second assembly notch 20 is convenient for the assembly of the upper sealing box structure 9 and the lower sealing box structure 2 of the upper and lower box plates, and plays a key role in positioning and auxiliary connection in the assembly process.

[0037] Further, the length of the second assembly notch 20 is greater than the length of the first assembly notch 10, so as to distinguish the front and rear ends of the upper and lower box plates.

[0038] In an embodiment of the utility model, the left and right ends of the side box plate 7 are provided with the side assembly notch 71 connected with the flexible hinge 3, so that the connection between the components is tight and accurate.

[0039] In an embodiment of the utility model, the top of the front box plate 4 is provided with the upper assembly groove 41 connected with the upper sealing box structure 9, the bottom of the front box plate 4 is provided with the lower assembly groove 42 connected with the lower sealing box structure 2, the left and right ends of the front box plate 4 are provided with the fourth assembly notch 43 connected with the flexible hinge 3, the upper and lower ends of the rear box plate 5 are provided with the fifth assembly notch 51 connected with the flexible hinge 3, and the left and right ends of the rear box plate 5 are provided with the sixth assembly notch 52 connected with the flexible hinge 3, the upper assembly groove 41, the lower assembly groove 42, the fourth assembly notch 43, the fifth assembly notch 51 and the sixth assembly notch 52 play a key role in positioning and auxiliary connection in the assembly process, and the connection between the components is tight and accurate.

[0040] In one embodiment of this utility model, the upper sealing box structure 9 includes an upper locking cover plate 91 and an upper locking groove plate 92, which are fixedly connected. An upper locking tongue plate 93 is fixedly installed on the top of the upper locking cover plate 91, and upper tongue hook portions 931 are symmetrically arranged at the bottom of the upper locking tongue plate 93. An upper mounting hole 911 is opened in the middle of the upper locking cover plate 91, and a movable hand buckle 94 is installed on the upper mounting hole 911. Wedge-shaped grooves 941 are symmetrically arranged on both sides of the hand buckle 94, and upper hook locking parts 95 are movably installed on the wedge-shaped grooves 941. The other end of the upper hook locking part 95 is engaged with the upper tongue hook portion 931. When the hand buckle 94 moves downward, it passes through the wedge... The wedge groove 941 drives the two upper hook locking parts 95 to move to both sides, achieving the unlocking function; the hand buckle 94 moves upward, and through the wedge groove 941 drives the two upper hook locking parts 95 to move to the middle. The upper hook locking parts 95 and the upper tongue hook part 931 engage with each other, achieving the function of locking the upper locking tongue plate 93. The upper mounting hole 911 is a special design for installing the hand buckle 94, ensuring that the hand buckle 94 can fit firmly after installation and is not easy to loosen or fall off during use, ensuring the safety and convenience of use. This structure can achieve self-locking without the use of metal springs, reducing the dependence on metal springs, extending the service life, and reducing maintenance costs.

[0041] Preferably, the handle 94 has a mounting groove 942 in the middle, and a second through hole in the mounting groove 942. A sub-lock tongue 96 and a sub-lock ring 97 are installed in the mounting groove 942. One end of the sub-lock tongue 96 passes through the second through hole and engages with the end face of the upper locking plate 92. The sub-lock ring 97 is rotatably connected to the sub-lock tongue 96. The sub-lock tongue 96 and the upper locking plate 92 are self-locking, which improves security.

[0042] In one embodiment of this utility model, the lower sealing box structure 2 includes a lower locking tongue plate 21. A lower locking cover plate 22 and a lower locking groove plate 23 are fixedly connected to the top of the lower locking tongue plate 21. The lower locking cover plate 22 and the lower locking groove plate 23 are fixedly connected. A movable lower hook lock member 24 is provided between the lower locking cover plate 22 and the lower locking groove plate 23. A lower hook lock hook 241 is provided at the bottom of the lower hook lock member 24. A lower locking tongue hook 211 that cooperates with the lower hook lock hook 241 is provided at the top of the lower locking tongue plate 21. The lower hook lock hook 241 and the lower locking tongue hook 211 are movably engaged, locking the lower locking cover plate 22 and... The lower locking groove plate 23 is fixedly installed on the top of the lower locking tongue plate 21. The lower locking cover plate 22 and the lower locking groove plate 23 are fixedly connected. When locking is required, the lower hook locking piece 24 is moved to drive the lower hook locking hook 241 to move, so that the lower hook locking hook 241 moves closer to the lower locking tongue hook 211 until the two are engaged and connected, thus completing the locking. When unlocking is required, the lower hook locking piece 24 is moved to move the lower hook locking hook 241 away from the lower locking tongue hook 211, thus completing the unlocking. The structure is simple and easy to operate. It does not require a spring structure and can also achieve self-locking, which extends the service life and reduces maintenance costs.

[0043] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A flexible folding hinge box comprising a lower box plate (1), characterized in that, The front end of the lower box plate (1) is connected with the bottom end of the front box plate (4) through a lower box sealing structure (2), the rear end of the lower box plate (1) is connected with the bottom end of the rear box plate (5) through a flexible hinge (3), the left and right ends of the lower box plate (1) are connected with the bottom end of the side box plate (7) through a protective edge strip (6), the top of the side box plate (7), the front box plate (4) and the rear box plate (5) is connected with the upper box plate (8), the front end of the upper box plate (8) is connected with the top end of the front box plate (4) through an upper box sealing structure (9), the rear end of the upper box plate (8) is connected with the top end of the rear box plate (5) through the flexible hinge (3), and the left and right ends of the upper box plate (8) are connected with the top end of the side box plate (7) through the protective edge strip (6).

2. The flexible, folding hinge box of claim 1, wherein, The flexible hinge (3) is made of elastic material and is a foldable integrated structure, and U-shaped grooves (31) for connecting box plates are symmetrically arranged at the two ends of the flexible hinge (3), and the thickness of one side of the U-shaped groove (31) is greater than the thickness of the other side of the U-shaped groove (31).

3. The flexible, folding box of claim 1, wherein, The top of the protective edge strip (6) is provided with a round corner structure, one end of the protective edge strip (6) is provided with a folding part (61), and a folding groove (62) is arranged between the folding part (61) and the protective edge strip (6).

4. The flexible, folding hinge box of claim 3, wherein, The protective edge strip (6) is provided with a first matching groove (63) and a second matching groove (64), the first matching groove (63) is connected with the side box plate (7), and the second matching groove (64) is connected with the lower box plate (1) or the upper box plate (8).

5. The flexible, folding box of claim 1, wherein, The rear end of the upper box plate (8) and the lower box plate (1) is provided with a first assembly notch (10) connected with the flexible hinge (3), and the front end of the upper box plate (8) and the lower box plate (1) is provided with a second assembly notch (20) connected with the upper box sealing structure (9) or the lower box sealing structure (2).

6. The flexible, folding box of claim 5, wherein, The length of the second assembly notch (20) is greater than the length of the first assembly notch (10).

7. The flexible, folding box of claim 1, wherein, The left and right ends of the side box plate (7) are provided with side assembly notches (71) connected with the flexible hinge (3).

8. The flexible, folding box of claim 1, wherein, The top of the front box plate (4) is provided with an upper assembly groove (41) connected with the upper box sealing structure (9), the bottom of the front box plate (4) is provided with a lower assembly groove (42) connected with the lower box sealing structure (2), the left and right ends of the front box plate (4) are provided with fourth assembly notches (43) connected with the flexible hinge (3), the upper and lower ends of the rear box plate (5) are provided with fifth assembly notches (51) connected with the flexible hinge (3), and the left and right ends of the rear box plate (5) are provided with sixth assembly notches (52) connected with the flexible hinge (3).

9. The flexible, folding box of claim 1, wherein, The upper sealing box structure (9) comprises an upper locking cover plate (91) and an upper locking groove plate (92), the upper locking cover plate (91) and the upper locking groove plate (92) are fixedly connected, the top of the upper locking cover plate (91) is fixedly installed with an upper locking tongue plate (93), the bottom of the upper locking tongue plate (93) is symmetrically provided with an upper tongue hook part (931), the middle part of the upper locking cover plate (91) is provided with an upper assembly hole (911), the upper assembly hole (911) is installed with a hand buckle (94) which can be moved up and down, the two sides of the hand buckle (94) are symmetrically provided with wedge-shaped grooves (941), the wedge-shaped grooves (941) are movably installed with upper hook locking pieces (95), and the other end of the upper hook locking pieces (95) is buckled with the upper tongue hook part (931).

10. The flexible, folding hinge box of claim 1, wherein, The lower sealing box structure (2) comprises a lower locking tongue plate (21), the top of the lower locking tongue plate (21) is fixedly connected with a lower locking cover plate (22) and a lower locking groove plate (23), the lower locking cover plate (22) and the lower locking groove plate (23) are fixedly connected, and the lower locking cover plate (22) and the lower locking groove plate (23) are provided with movable lower hook locking pieces (24), the bottom of the lower hook locking pieces (24) is provided with a lower hook locking hook (241), the top of the lower locking tongue plate (21) is provided with a lower locking tongue hook (211) matched with the lower hook locking hook (241), and the lower hook locking hook (241) and the lower locking tongue hook (211) are movably buckled.