Packaging box convenient to fold
By designing an easy-to-fold packaging box, and adopting an integrated structure of top cover, outer box and inner box, the double-layer stacking and interlocking connection of the bottom of the cardboard box is realized, which solves the problems of low structural strength of the bottom of the existing cardboard box and cumbersome folding steps, and improves the stability of the cardboard box and the efficiency of resource utilization.
Patent Information
- Application Number
- CN202520203914.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-10
AI Technical Summary
The existing packaging boxes have low bottom structural strength and cumbersome folding steps, which makes it easy for goods to leak out from the bottom of the box or for the box to break, resulting in serious waste of resources.
Design a foldable packaging box with an integrated structure of top cover, outer box and inner box. The outer box and inner box are double-layered and the bottom structure is strengthened by cross connection and folding part. The inner box and outer box are connected by plug end and slot.
The bottom structure of the cardboard box has been strengthened to prevent product leakage and box breakage, making it suitable for widespread application.
Smart Images

Figure CN223703337U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to packing technical field, specifically be convenient to fold packing box. BACKGROUND
[0002] In daily life, a large number of commodities are packed with paper boxes, on the one hand, paper boxes are cheap, light in weight and convenient to recycle, on the other hand, paper boxes can provide good support and buffering effect, have good protection effect on the commodities packed inside, and also have the characteristics of ensuring the safety of products during transportation and improving the grade of products.
[0003] At present, the packing paper box in the prior art is usually made by cutting paperboard around the periphery and then assembling it through reverse disassembly and bonding, so as to shape it into a box body. This kind of packing paper box often causes the commodities in the paper box to leak out from the bottom of the paper box due to the fact that the bottom is not bonded firmly, and even the bottom of the paper box is broken in serious cases. Moreover, most of the existing packing paper boxes are only for one-time use, which causes a large amount of waste of resources. Therefore, it is urgent to study a packing box that is convenient to fold, SUMMARY
[0004] The technical problem to be solved by the utility model is that the bottom structure of the packing paper box is low in strength and the folding steps are complicated.
[0005] To solve the above technical problems, the utility model provides a technical scheme, that is, a packing box convenient to fold, which comprises a top cover, an outer box body and an inner box body, the inner box body is arranged in the outer box body, and one side of the outer box body is connected with the top cover.
[0006] The top cover is provided with a first folding part between the two end parts of the top cover and the outer box body.
[0007] The outer box body comprises an outer bottom plate, an outer extension part, a right connecting part and a left connecting part. The outer extension part is arranged on both sides of the outer bottom plate and is arranged perpendicularly to the outer bottom plate. The right connecting part and the left connecting part are connected with the outer extension part respectively. The right connecting part and the left connecting part are on the same horizontal line. A right gap is arranged on the lower part of the end of the right connecting part away from the outer extension part. A left gap is arranged on the lower part of the end of the left connecting part away from the outer extension part. The right gap and the left gap are arranged in a cross shape.
[0008] The inner box body comprises an inner bottom plate, an inner extension part and a U-shaped side plate. The inner extension part is arranged on both sides of the inner bottom plate and is arranged perpendicularly to the inner bottom plate. The U-shaped side plate is arranged on one side of the inner bottom plate. A connecting part is arranged between the inner bottom plate and the outer bottom plate. The connecting part is arranged in a two-fold structure.
[0009] As an improvement, the top cover, the outer box body and the inner box body are arranged in an integrated structure.
[0010] As improvement, the middle part of the top cover is provided with a plug-in end, and the connecting part is provided with a notch matched with the plug-in end.
[0011] As improvement, the first folding part is a fan-shaped structure, and a folding structure is arranged in the middle of the first folding part and folded inward.
[0012] As improvement, the U-shaped side plate is arranged between the outer box body and the top cover, and the U-shaped side plate and the connecting part are attached to the corresponding right connecting part and left connecting part.
[0013] As improvement, the second folding part is arranged between the side of the outer box body relative to the top cover and the connecting part, and the second folding part has the same structure as the first folding part.
[0014] Compared with the prior art, the top cover, the inner box body and the outer box body are arranged to realize the assembly of the paper box, the bottom of the packaging box is formed by double-layer stacking of the inner box body and the outer box body, the bottom structure strength of the paper box is effectively improved, the problems of leakage of goods in the paper box from the bottom of the paper box and breakage of the bottom of the paper box are avoided, and the packaging box is suitable for popularization and application. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is an appearance schematic diagram of the packaging box convenient to fold.
[0016] Figure 2 is an opening structure schematic diagram between the outer box body and the inner box body.
[0017] Figure 3 is a structure schematic diagram of the outer box body.
[0018] As shown in the drawings: 1, top cover; 2, outer box body; 3, inner box body; 4, first folding part; 5, connecting part; 101, plug-in end; 301, inner extension; 302, U-shaped side plate; 303, inner bottom plate; 501, notch; 201, outer bottom plate; 202, outer extension; 203, right connecting part; 204, left connecting part; 41, second folding part; DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] The present application fully explains the problems of the prior art in the technical background, there is no general problem, the problems to be solved by the present application are specifically described in the following utility model content and specific embodiments, the technical problems to be solved by the technical scheme are determined, and the technical scheme of the present application has beneficial effects relative to the objective prior art.
[0021] Please refer to Figures 1-3 The utility model provides an embodiment:
[0022] A kind of packing box of folding with facility, including top cover 1, outer box body 2 and inner box body 3, top cover 1, outer box body 2 and inner box body 3 are integrally structured arrangement, inner box body 3 is arranged in outer box body 2, outer box body 2 one side is connected with top cover 1, top cover 1, the both ends of top cover 1 are equipped with first folding portion 4 between outer box body 2, first folding portion 4 is fan-shaped structure, a folding structure is arranged in first folding portion 4, and it is folded to inboard side;
[0023] Combined with the drawings of the present application Figure 2 Outer box body 2, outer box body 2 includes outer bottom plate 201, outer extension 202, right connecting portion 203 and left connecting portion 204, outer extension 202 is arranged at the both sides of outer bottom plate 201, and is vertically arranged with outer bottom plate 201, right connecting portion 203 and left connecting portion 204 are connected with outer extension 202 respectively, right connecting portion 203 and left connecting portion 204 are at same with horizontal line, right gap is equipped in the lower part of the end of right connecting portion 203 away from outer extension 202, left gap is equipped in the lower part of the end of left connecting portion 204 away from outer extension 202, right gap and left gap are cross arrangement;Second folding portion 41 is equipped between the side of outer box body relative to top cover and connecting portion, second folding portion 41 is same with first folding portion 4 in structure, and the connectivity between connecting portion 5 and outer box body 2 is increased;
[0024] Combined with the drawings of the present application Figure 2 Inner box body 3, inner box body 3 includes inner bottom plate 303, inner extension 301 and U-shaped side plate 302, inner extension 301 is arranged at the both sides of inner bottom plate 303, and is vertically arranged with inner bottom plate 303, U-shaped side plate 302 is arranged at one side of inner bottom plate 303, and connecting portion 5 is equipped between inner bottom plate 303 and outer bottom plate 201, connecting portion 5 is two folding structure arrangement, the middle part of top cover 1 is equipped with spigot end 101, slot 501 matched with spigot end 101 is equipped on connecting portion 5, U-shaped side plate 302 is arranged between outer box body 2 and top cover 1, U-shaped side plate 302 and connecting portion 5 are all attached with corresponding right connecting portion 203 and left connecting portion 204.
[0025] The above structure in the actual use process, first corresponding to the horizontal line on the right connecting part 203 and the left connecting part 204 through the right gap and the left gap for cross connection, the inner box body 3 through the folding of the connecting part 5, placed into the outer box body 2, wherein the U-shaped side plate 302 on the inner box body 3 and close to the top cover 1 side of the right connecting part 203 and the left connecting part 204 fit, the inner box body 3 put into the outer box body 2, see the description of the accompanying drawings Figure 1 The first folding part 4 is folded inward, the top cover 1 is turned up, that is, the top cover is attached to the top of the outer box body 2, the plug-in end 101 on the top cover 1 is inserted into the slot 501 on the connecting part 5, and the folding of the packaging box is completed.
[0026] Those skilled in the art will readily conceive other embodiments of the application upon considering the specification and practicing the application disclosed herein. The application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the application pertains or the likes. The specification and examples are to be regarded as illustrative only, and the true scope of the application is indicated by the claims.
[0027] It should be understood that the application is not limited to the precise structures described above and illustrated in the drawings and that various modifications and changes can be made without departing from the scope thereof. The embodiments of the application described above do not constitute a limitation of the scope of protection of the application.
Claims
1. A folding package box, comprising a top cover (1), an outer box body (2) and an inner box body (3), the inner box body (3) is arranged in the outer box body (2), and one side of the outer box body (2) is connected with the top cover (1), characterized in that, the top cover (1) is provided with a first folding part (4) between both ends of the top cover (1) and the outer box body (2); the outer box body (2) comprises an outer bottom plate (201), an outer extension part (202), a right connecting part (203) and a left connecting part (204), the outer extension part (202) is arranged on both sides of the outer bottom plate (201) and is arranged perpendicularly to the outer bottom plate (201), the right connecting part (203) and the left connecting part (204) are connected with the outer extension part (202) respectively, the right connecting part (203) and the left connecting part (204) are on the same horizontal line, a right gap is arranged on the lower part of one end of the right connecting part (203) away from the outer extension part (202), a left gap is arranged on the lower part of one end of the left connecting part (204) away from the outer extension part (202), and the right gap and the left gap are arranged in a cross manner; the inner box body (3) comprises an inner extension part (301), a U-shaped side plate (302) and an inner bottom plate (303), the inner extension part (301) is arranged on both sides of the inner bottom plate (303) and is arranged perpendicularly to the inner bottom plate (303), the U-shaped side plate (302) is arranged on one side of the inner bottom plate (303), and a connecting part (5) is arranged between the inner bottom plate (303) and the outer bottom plate (201), and the connecting part (5) is arranged in a two-fold structure.
2. A pack according to claim 1, wherein: The top cover (1), the outer box body (2) and the inner box body (3) are arranged in an integrated structure.
3. The folding cart of claim 1, wherein: A plug-in end (101) is arranged on the middle part of the top cover (1), and a slot (501) matched with the plug-in end (101) is arranged on the connecting part (5).
4. The folding cart of claim 1, wherein: The first folding part (4) is arranged in a fan-shaped structure, a one-fold structure is arranged in the middle of the first folding part (4), and the first folding part (4) is folded inward.
5. The folding cart of claim 1, wherein: The U-shaped side plate (302) is arranged between the outer box body (2) and the top cover (1), and the U-shaped side plate (302) and the connecting part (5) are attached to the corresponding right connecting part (203) and left connecting part (204).
6. A pack according to claim 4, wherein: A second folding part (41) is arranged between one side of the outer box body (2) relative to the top cover (1) and the connecting part (5), and the second folding part (41) has the same structure as the first folding part (4).