Reverse folding flip box

Abstract

The utility model relates to a reverse folding flip box which comprises an outer box and a surrounding clamp arranged in the outer box, the surrounding clamp is provided with a containing cavity used for containing articles, the bottom of the surrounding clamp is attached to a bottom plate of the outer box, the two opposite ends of the bottom plate are connected with an upper box body and a box cover in an overturning mode, the upper box body covers the top of the surrounding clamp in an overturning mode, and the box cover is connected with the bottom plate in an overturning mode. The box cover covers the top of the upper box body in an overturning mode, the box cover extends towards the two sides to be provided with at least one set of lock catches, and the lock catches are used for being connected with the upper box body in a clamped mode. A front inserting piece and a rear inserting piece which can be folded towards the interior of the containing cavity are arranged on the portion, corresponding to the containing cavity, of the upper box body, the folded front inserting piece and the folded rear inserting piece are attached to the inner walls of the two opposite ends of the surrounding clamp respectively, and the free tail end of the front inserting piece is connected with the inner walls of the surrounding clamp in an inserted mode. According to the packaging box, the design of combining the outer box and the surrounding clamp is adopted, the folding mode is simple, and the supporting strength and the shockproof buffering capacity of the packaging box can be remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packing boxes, and particularly relates to a reverse folding flip box. Background Art

[0002] For the packaging and printing industry, the harmful factors to the environment generated during the entire life cycle of packaging cannot be ignored. In the current packaging market, in order to improve the shockproof and buffering effect of the packaging box, manufacturers usually add buffer structures inside the packaging box, and such buffer structures usually adopt materials such as EPS, EPE, and EVA. Although such buffering can protect products to a certain extent, this packaging form is not completely environmentally friendly during the production process, and is prone to releasing some harmful substances, which will not only cause harm to the human body, but also be difficult to degrade by itself after being discarded, causing great pollution to the environmental ecology.

[0003] Under this background, this application replaces the traditional plastic packaging form with completely paper materials, and at the same time overcomes the deficiencies in strength and buffering performance of traditional paper packaging boxes, and can be used in the fields of food, pharmaceutical packaging, storage, electronic products, etc., thereby promoting the green development of the packaging industry. Summary of the Utility Model

[0004] The utility model aims to solve the problem that the buffer performance of an existing ordinary flip box is poor due to insufficient strength around it, and for this purpose, a reverse folding flip box is proposed. The packaging box adopts all-paper packaging, which is low-carbon and environmentally friendly, and has good reinforcement and buffer performance around it.

[0005] To achieve the above object, the utility model provides a reverse folding flip box, which includes an outer box and a surrounding card arranged inside the outer box. The surrounding card is provided with a receiving cavity for accommodating articles. The bottom of the surrounding card is attached to the bottom plate of the outer box. The upper box body and the box cover are rotatably connected to opposite ends of the bottom plate. The upper box body is rotatably covered on the top of the surrounding card, and the box cover is rotatably covered on the top of the upper box body. At least one set of locking buttons are respectively extended from both sides of the box cover for clamping with the upper box body;

[0006] The upper box body is provided with a front insert piece and a rear insert piece that can be folded into the receiving cavity corresponding to the receiving cavity. After folding, the front insert piece and the rear insert piece are respectively attached to the inner walls of opposite ends of the surrounding card, and the free end of the front insert piece is inserted into the inner wall of the surrounding card.

[0007] Further, the surrounding card includes a bottom lining board, a left lining board and a right lining board oppositely arranged on the left and right sides of the bottom lining board, and a first front lining board and a first rear lining board oppositely arranged on the front and rear ends of the bottom lining board. Among them, clamping tongues are respectively extended from opposite ends of the left lining board and the right lining board, and the two clamping tongues located at the same end of the bottom lining board are clamped with each other.

[0008] Furthermore, the enclosure also includes a second front lining plate and a second rear lining plate, wherein the second front lining plate is flipped and connected to the first front lining plate via a first connecting portion, and the second rear lining plate is flipped and connected to the first rear lining plate via a second connecting portion.

[0009] Furthermore, the second front lining plate and the second rear lining plate are both provided with an insert tongue at one end away from the bottom lining plate.

[0010] Furthermore, a clearance groove is provided between the first front lining plate and the first connecting portion, and / or between the second front lining plate and the second connecting portion.

[0011] Furthermore, side guard bars are arranged on two opposite sides of the bottom plate, and the side guard bars are folded toward the direction of the surrounding card through a folding line to fit with the outer side wall of the surrounding card.

[0012] Furthermore, a front side plate and a rear side plate are respectively provided at opposite ends of the bottom plate, one end of the front side plate away from the bottom plate is connected to the upper box body, and one end of the rear side plate away from the bottom plate is connected to the box cover.

[0013] Furthermore, inner folding pieces are respectively arranged on opposite sides of the front side plate and the rear side plate.

[0014] Furthermore, an adhesive area is provided at one end of the rear side plate close to the upper box body, and the adhesive area is used to bond with the rear side wall of the surrounding card.

[0015] Furthermore, the upper box body includes a first side plate, an inner cover plate, a second side plate and a third side plate, the opposite ends of the inner cover plate are respectively connected to the front side plate and the third side plate, and the opposite sides of the inner cover plate are respectively connected to the first side plate and the second side plate.

[0016] Furthermore, an avoidance groove is provided between one end of the front insert sheet away from the rear insert sheet and the inner cover plate.

[0017] Furthermore, a handle tab is provided at one end of the third side plate away from the bottom plate, and a through groove is provided on the rear side plate for the handle tab to pass through.

[0018] Furthermore, a side cover is provided at one end of the box cover away from the bottom plate, the side cover is preset with an easy-tear tape, and an adhesive area is provided on the inner side of the side cover.

[0019] The beneficial effects of the utility model are as follows: the utility model proposes a reverse folding flip box, which adopts a combination of an outer box and a surrounding card, has a simple folding method, and can significantly improve the supporting strength and shockproof buffering ability of the packaging box. Compared with traditional paper packaging boxes, the packaging box has better shockproof buffering ability, has a good protective effect on the products placed inside, and the packaging box is not easy to deform or damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a reverse folding flip-lid box involved in the utility model in a complete packaging state;

[0021] Figure 2 It is a structural schematic diagram of a reverse folding flip cover box involved in the utility model, in which the middle enclosure is in a folded and formed state;

[0022] Figure 3 It is a schematic diagram showing the structure of a middle enclosure of a reverse folding flip cover box involved in the utility model in a flattened state;

[0023] Figure 4 It is a structural schematic diagram of an inner and outer box of a reverse folding flip-lid box involved in the utility model in a flat state;

[0024] Figure 5 The structure diagram of a reverse folding flip cover box in the utility model in the assembled state of the outer box and the surrounding card part Figure 1 ;

[0025] Figure 6 The structure diagram of a reverse folding flip cover box in the utility model in the assembled state of the outer box and the surrounding card part Figure 2 ;

[0026] Figure 7 The structure diagram of a reverse folding flip cover box in the utility model in the assembled state of the outer box and the surrounding card part Figure 3 .

[0027] Markings in the figure:

[0028] 1. Outer box; 11. Bottom plate; 12. Side guard strip; 13. Front side plate; 14. Rear side plate; 141. Through slot; 15. Inner folding piece; 16. Adhesive area; 2. Enclosure; 21. Bottom lining plate; 211. First connecting part; 212. Second connecting part; 22. Left lining plate; 221. Insert tongue; 222. Make way slot; 23. Right lining plate; 24. First front lining plate; 25. First rear lining plate; 26. Clamp tongue; 27. First The second front lining plate; 28, the second rear lining plate; 3, the upper box body; 31, the front insert plate; 311, the folded plate; 312, the avoidance groove; 32, the rear insert plate; 33, the first side plate; 331, the side wing plate; 34, the inner cover plate; 35, the second side plate; 36, the third side plate; 37, the handle pull tab; 38, the lock slot; 4, the box cover; 41, the lock buckle; 42, the side cover plate; 43, the tear strip; 44, the adhesive area; 45, the plug-in plate. DETAILED DESCRIPTION

[0029] In order to make the objectives, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0030] It should be noted that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more, unless otherwise specifically defined.

[0031] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationship indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present utility model.

[0032] In order to more clearly illustrate the technical solution of the present utility model, a preferred embodiment is provided below. Specifically, refer to Figures 1 to 7 , this embodiment provides a transversely foldable flip box, which includes an outer box 1 and an enclosure card 2 arranged inside the outer box 1. The enclosure card 2 is provided with a receiving cavity for accommodating articles. The bottom of the enclosure card 2 is attached to the bottom plate 11 of the outer box 1. The upper box body 3 and the box cover 4 are rotatably connected to opposite ends of the bottom plate 11. The upper box body 3 is rotatably covered on the top of the enclosure card 2. The box cover 4 is rotatably covered on the top of the upper box body 3. And at least one set of locking buckles 41 are respectively extended from both sides of the box cover 4, and the locking buckles 41 are used for clamping with the upper box body 3;

[0033] The upper box body 3 is provided with a front insertion piece 31 and a rear insertion piece 32 that can be folded into the receiving cavity. After folding, the front insertion piece 31 and the rear insertion piece 32 are respectively attached to the inner walls of opposite ends of the enclosure card 2, and the free end of the front insertion piece 31 is inserted into the inner wall of the enclosure card 2.

[0034] In the utility model, the reverse folding flip box can significantly improve the supporting strength and shockproof buffering capacity of the packaging box through the combination of the outer box 1 and the surrounding card 2. As a preferred embodiment of this embodiment, the outer box 1 and the surrounding card 2 both use powder gray corrugated paper as the packaging material. When the surrounding card 2 is produced, the surface of the material is used as the die-cutting surface, and the folding method is simple. The function of the surrounding card 2 is to increase the strength of the surrounding box after it is placed inside the outer box 1, and maintain the appearance, and reduce the deformation and damage of the packaging box. The outer box 1 has a novel structural design, breaking through the inherent packaging folding form, and adopts the reverse surrounding surrounding card 2 for folding, and then is strengthened and fixed by the lock buckle 41, so that the appearance design of the entire packaging is improved, and the use of all-paper packaging improves the supporting strength and shockproof buffering performance of the packaging box, which has a good protective effect on the products placed inside.

[0035] Furthermore, the enclosure 2 includes a bottom lining plate 21, a left lining plate 22 and a right lining plate 23 relatively arranged on the left and right sides of the bottom lining plate 21, and a first front lining plate 24 and a first rear lining plate 25 relatively arranged on the front and rear ends of the bottom lining plate 21, wherein tongues 26 are extended from the opposite ends of the left lining plate 22 and the right lining plate 23, and the two tongues 26 located at the same end of the bottom lining plate 21 are engaged with each other.

[0036] Furthermore, the enclosure 2 also includes a second front lining plate 27 and a second rear lining plate 28 . The second front lining plate 27 is flipped and connected to the first front lining plate 24 via a first connecting portion 211 , and the second rear lining plate 28 is flipped and connected to the first rear lining plate 25 via a second connecting portion 212 .

[0037] Further, the second front lining plate 27 and the second rear lining plate 28 are both provided with an inserting tongue 221 at one end away from the bottom lining plate 21. Specifically, the second front lining plate 27 and the second rear lining plate 28 are both flipped and connected with the inserting tongue 221 through a prefabricated indentation line.

[0038] Furthermore, a clearance groove 222 is provided between the first front lining plate 24 and the first connecting portion 211, and / or between the second front lining plate 27 and the second connecting portion 212. The provision of the clearance groove 222 facilitates the taking and placing of the surrounding card 2.

[0039] When the surrounding card 2 of this embodiment is in use, first fold the left lining plate 22 and the right lining plate 23 upward by 90°, then correspondingly connect the two tongue pieces 26 at the same end of the two groups located on the bottom lining plate 21, fold the first front lining plate 24 upward by 90° so that it fits against the outside of the tongue piece 26 at the same end, and then fold the second front lining plate 27 downward by 90° after folding through the first connecting portion 211, and insert the inserting tongue 221 into the slot formed between the bottom of the tongue piece 26 and the bottom lining plate 21; the other end is also folded in the same way, which will not be elaborated here. Through the above method, the surrounding card 2 with high shape retention is obtained, which is used as a buffer structure inside the outer box 1, playing a good role in support, shock absorption and buffering.

[0040] Further, side retaining strips 12 are provided on opposite sides of the bottom plate 11, and the side retaining strips 12 are folded toward the surrounding card 2 through the folding line and then fit against the outer side wall of the surrounding card 2.

[0041] Further, a front side plate 13 and a rear side plate 14 are respectively provided at opposite ends of the bottom plate 11. One end of the front side plate 13 far from the bottom plate 11 is connected to the upper box body 3, and one end of the rear side plate 14 far from the bottom plate 11 is connected to the box cover 4.

[0042] Further, inner folding pieces 15 are respectively provided on opposite sides of the front side plate 13 and the rear side plate 14. Specifically, the shape of the side of the inner folding piece 15 close to the bottom plate 11 is matched with the shape of the adjacent side retaining strip 12 so as to just fit against the outer side wall of the surrounding card 2.

[0043] Further, an adhesive area 16 is provided at one end of the rear side plate 14 close to the upper box body 3, and the adhesive area 16 is used for bonding with the upper box body 3.

[0044] Further, the upper box body 3 includes a first side plate 33, an inner cover plate 34, a second side plate 35 and a third side plate 36. Opposite ends of the inner cover plate 34 are respectively connected to the front side plate 13 and the third side plate 36, and opposite sides of the inner cover plate 34 are respectively connected to the first side plate 33 and the second side plate 35. Specifically, the front inserting piece 31 and the rear inserting piece 32 are both provided on the inner cover plate 34 and are reversibly connected to the inner cover plate 34 through the scoring line. The free end of the front inserting piece 31 is provided with a reverse folding piece 311 through the reverse folding line, and the reverse folding piece 311 is used for inserting into the surrounding card 2 to make the connection between the upper box body 3 and the surrounding card 2 more stable.

[0045] Further, wing pieces 331 are provided on the sides of the first side plate 33 and the second side plate 35 far from the inner cover plate 34, and wing slots corresponding to the wing pieces 331 one by one are provided at the connection between the bottom plate 11 and the side retaining strip 12.

[0046] Further, a relief groove 312 is provided between one end of the front insert piece 31 away from the rear insert piece 32 and the inner cover plate 34, facilitating the folding and assembly of the upper box body 3.

[0047] Further, a handle pull tab 37 is provided at one end of the third side plate 36 away from the bottom plate 11, and a through slot 141 for the handle pull tab 37 to pass through is provided on the rear side plate 14. The provision of the handle pull tab 37 makes the packaging box more convenient to pick up and carry by hand.

[0048] Further, a side cover plate 42 is provided at one end of the box cover 4 away from the bottom plate 11. An easy tear strip 43 is preset on the side cover plate 42, and a sticking area 44 is provided on the inner side of the side cover plate 42. The provision of the sticking area 44 makes the connection between the cover plate and the upper box body 3 more stable. The provision of the easy tear strip 43 makes the opening operation of the packaging box more convenient, without the need to use other external tools to open the box.

[0049] Further, locking grooves 38 corresponding to the locking buttons 41 one by one are provided at the joints between the first side plate 33 and the inner cover plate 34, and between the second side plate 35 and the inner cover plate 34. The locking grooves 38 are used for the locking buttons 41 to be inserted and matched.

[0050] Further, inserting pieces 45 are provided on two opposite sides of the side cover plate 42. The inserting pieces 45 are used for inserting and matching with the upper box body 3.

[0051] In this embodiment, when the reverse folding flip-top box is in use, first place the folded and formed surrounding card 2 on the bottom plate 11, turn up the two side blocking strips 12 by 90° to fit against the two outer side walls of the surrounding card 2, then turn up the first side plate 33 and the second side plate 35 by 90°, turn up the front insert piece 31 and the rear insert piece 32 from the middle by 90°, and turn the folding piece outwards by 90° to complete the pre-folding of the upper box body 3; fold up the front side plate 13 by 90° to make it fit against the front side wall of the surrounding card 2, then fold the inner cover plate 34 relative to the front side plate 13 by 90°, and make the front insert piece 31 fit against the inner side of the rear side wall of the surrounding card 2, and make the rear insert piece 32 fit against the inner side of the front side wall of the surrounding card 2. Insert and connect through the folding piece 311 into the inside of the surrounding card 2, and at the same time insert the wing pieces 331 beside the first side plate 33 and the second side plate 35 into the corresponding wing slots. Furthermore, turn the handle pull tab 37 backwards and pass it through the through slot 141 of the rear side plate 14, then fold the rear side plate 14, the box cover 4 and the side cover plate 42 in sequence, tear the tape in the sticking area 44 to make it bond tightly, insert the locking button 41 into the corresponding locking groove 38, and insert the inserting piece 45 into the corresponding position of the upper box body 3, thus completing the folding and assembly of the entire reverse folding flip-top box. The resulting reverse folding flip-top box has a firm structure, high strength, good shockproof and buffering performance, and a simple folding method.

[0052] The above are only the preferred embodiments of the present utility model, and its structure is not limited to the shapes listed above. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A reverse folding clamshell box, characterized in that: The invention comprises an outer box (1) and a surrounding card (2) arranged in the outer box (1), wherein the surrounding card (2) is provided with a receiving cavity for accommodating articles, the bottom of the surrounding card (2) is in contact with the bottom plate (11) of the outer box (1), and the opposite ends of the bottom plate (11) are flipped and connected with an upper box body (3) and a box cover (4), wherein the upper box body (3) is flipped and covered on the top of the surrounding card (2), and the box cover (4) is flipped and covered on the top of the upper box body (3), and the box cover (4) is respectively extended to both sides and provided with at least one set of lock buckles (41), and the lock buckles (41) are used to be snapped with the upper box body (3); The upper box body (3) is provided with a front insert sheet (31) and a rear insert sheet (32) which can be folded into the accommodating cavity, and the folded front insert sheet (31) and the rear insert sheet (32) are respectively fitted with the inner walls of the two opposite ends of the surrounding card (2), and the free end of the front insert sheet (31) is plugged into the inner wall of the surrounding card (2).

2. According to claim 1, a reverse folding flip cover box, characterized in that: The enclosure (2) comprises a bottom lining plate (21), a left lining plate (22) and a right lining plate (23) arranged on the left and right sides of the bottom lining plate (21), and a first front lining plate (24) and a first rear lining plate (25) arranged on the front and rear ends of the bottom lining plate (21), wherein latch tongues (26) are extended from opposite ends of the left lining plate (22) and the right lining plate (23), and the two latch tongues (26) located at the same end of the bottom lining plate (21) are mutually latched.

3. The reverse folding flip-lid box according to claim 2, characterized in that: The enclosure (2) further comprises a second front lining plate (27) and a second rear lining plate (28); the second front lining plate (27) is connected to the first front lining plate (24) by means of a first connection portion (211); and the second rear lining plate (28) is connected to the first rear lining plate (25) by means of a second connection portion (212).

4. The reverse folding flip-lid box according to claim 3, characterized in that: The second front lining plate (27) and the second rear lining plate (28) are both provided with an insert tongue (221) at one end away from the bottom lining plate (21), and a clearance groove (222) is provided between the first front lining plate (24) and the first connecting portion (211), and / or between the second front lining plate (27) and the second connecting portion (212).

5. The reverse folding flip-lid box according to claim 1, characterized in that: Side guard strips (12) are arranged on opposite sides of the bottom plate (11), and the side guard strips (12) are folded toward the surrounding card (2) along a folding line to fit with the outer side wall of the surrounding card (2).

6. The reverse folding flip-lid box according to claim 5, characterized in that: A front side plate (13) and a rear side plate (14) are respectively provided at opposite ends of the bottom plate (11); an end of the front side plate (13) away from the bottom plate (11) is connected to the upper box body (3); and an end of the rear side plate (14) away from the bottom plate (11) is connected to the box cover (4).

7. The reverse folding flip-lid box according to claim 6, characterized in that: The front side plate (13) and the rear side plate (14) are respectively provided with inner folding sheets (15) on opposite sides thereof, and the rear side plate (14) is provided with an adhesive area (16) at one end thereof close to the upper box body (3), and the adhesive area (16) is used for bonding with the rear side wall of the surrounding card (2).

8. The reverse folding flip-lid box according to claim 6, characterized in that: The upper box body (3) comprises a first side plate (33), an inner cover plate (34), a second side plate (35) and a third side plate (36); opposite ends of the inner cover plate are respectively connected to the front side plate (13) and the third side plate (36); opposite sides of the inner cover plate (34) are respectively connected to the first side plate (33) and the second side plate (35).

9. The reverse folding flip-lid box according to claim 8, characterized in that: A handle tab (37) is provided at one end of the third side plate (36) away from the bottom plate (11), and a through slot (141) is provided on the rear side plate (14) for the handle tab (37) to pass through.

10. The reverse folding flip-lid box according to claim 8, characterized in that: A side cover plate (42) is arranged at one end of the box cover (4) away from the bottom plate (11); the side cover plate (42) is provided with an easy-tear tape (43) in advance, and an adhesive area (44) is arranged on the inner side of the side cover plate (42).

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