High-strength carton with waterproof function
By installing limiting plates and support plates on the inner wall of the carton, a triangular stable structure is formed, and combined with a multi-layer protection design, the problems of insufficient strength and poor protection performance of traditional cartons are solved, and carton packaging with high strength and waterproof functions are achieved.
Patent Information
- Application Number
- CN202421563702.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-06-03
- Estimated Expiration
- 2034-07-04
AI Technical Summary
Traditional cartons are prone to deform or damage during stacking and handling, and lack support for internal gaps, resulting in insufficient protective performance, especially for fragile and moisture-prone items.
A high-strength carton with waterproof function was designed. By installing a limiting plate and a support plate on the inner wall of the carton, a triangular stable structure is formed to enhance the compressive strength of the carton, and if necessary, the buffer layer, reinforcement layer, thermal insulation layer, adsorption layer and waterproof layer are added to improve the protective performance.
It improves the compressive strength and protective performance of the carton, ensures that the goods are not easily damaged during transportation, and can effectively prevent moisture from infiltration. It is suitable for cargo packaging of various shapes and sizes.
Smart Images

Figure CN222934282U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cartons, in particular to a high-strength carton with a waterproof function. Background Art
[0002] As an indispensable part of modern logistics, packaging cartons bear the important responsibilities of containing, protecting products and being aesthetically pleasing. The traditional carton design has certain limitations in meeting the logistics requirements; firstly, the strength and compressive capacity of the cartons are insufficient, and they are prone to deformation or even damage during stacking and handling, resulting in damage to the internal goods; secondly, the size specifications of the cartons are not diverse and standardized enough, and they cannot well adapt to goods of different shapes and sizes, causing waste of space or improper packaging of goods; furthermore, for some special goods, such as fragile items and moisture-sensitive items, the protection performance of traditional cartons is not perfect.
[0003] A prior Chinese patent with the publication number CN215623417U discloses a high-strength carton with a waterproof function, which includes a first wall panel, a second wall panel, a third wall panel and a fourth wall panel. A colloid is glued to the left side of the first wall panel, the other end of the colloid is glued to the second wall panel, the other end of the second wall panel is glued to the third wall panel, the other end of the third wall panel is glued to the fourth wall panel. The first wall panel, the second wall panel, the third wall panel and the fourth wall panel are glued in sequence at the head and tail, and the first wall panel, the second wall panel, the third wall panel and the fourth wall panel form a rectangular wall frame. A bottom plate is glued to the lower end of the wall frame, and a plastic film is laid on the outer wall of the wall frame.
[0004] The problem with the above device is that only the outer frame and the bottom frame of the carton are provided, and the inside of the carton cannot be supported. When there is a large gap inside the carton, the carton is prone to inward depression.
[0005] Therefore, it is necessary to provide a high-strength carton with a waterproof function to solve the above technical problems. Summary of the Utility Model
[0006] The utility model provides a high-strength carton with a waterproof function, which solves the problem that the inside of the carton is not supported.
[0007] To solve the above technical problems, the high-strength carton with waterproof function provided by the utility model includes: a carton, the carton includes a first cover plate and a second cover plate, the upper and lower ends of the inner walls on the left and right sides of the carton are both provided with a first limiting plate, a first limiting groove is opened on the front side wall of each group of the first limiting plates, the upper and lower ends of the inner walls on the front and back sides of the carton are both provided with a second limiting plate, a second limiting groove is opened on the right side wall of each group of the second limiting plates, the left and right ends of the inner bottom and inner top of the carton are both provided with a third limiting plate, a fourth limiting groove is opened on the front side wall of the third limiting plate, and a third limiting groove is opened on the right side wall of the third limiting plate. A second support plate is inserted and connected between the first limiting groove and the fourth limiting groove, and a first support plate is inserted and connected between the second limiting groove and the third limiting groove.
[0008] Preferably, the carton includes a base layer, a buffer layer is installed on the surface of the base layer, and a reinforcement layer is installed on the surface of the buffer layer.
[0009] Preferably, a heat insulation layer is installed on the surface of the reinforcement layer, an adsorption layer is installed on the surface of the heat insulation layer, and a waterproof layer is installed on the surface of the adsorption layer.
[0010] Preferably, a first sliding groove is installed on the inner walls on the left and right sides of the carton, a second sliding groove is installed between the inner top and the inner top of the carton, and a partition board is slidably connected to the inner wall of the second sliding groove.
[0011] Preferably, a nameplate groove is installed on the front outer wall of the carton, and handles are installed on the outer walls on the left and right sides of the carton.
[0012] Preferably, a hook surface of a magic tape is installed on the top of the first cover plate, and a loop surface of a magic tape is installed on the bottom of the second cover plate.
[0013] Compared with the related art, the high-strength carton with waterproof function provided by the utility model has the following beneficial effects:
[0014] The utility model provides a high-strength carton with waterproof function. During the production of the carton, several groups of the first limiting plates, the second limiting plates and the third limiting plates are installed according to the required strength grade. During the folding and packaging process of the carton, the second support plate is inserted between the first limiting groove and the fourth limiting groove in sequence, and the first support plate is inserted into the second limiting groove and the third limiting groove. After the first support plate and the second support plate are installed, a triangular stable structure is formed between them and the inner walls of the carton, thereby improving the compressive strength of the carton. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic structural diagram of a preferred embodiment of the high-strength carton with waterproof function provided by the utility model;
[0016] Figure 2 For Figure 1Schematic diagram of the internal structure of the cardboard box shown;
[0017] Figure 3 is Figure 1 Schematic diagram of the structure of the cardboard box shown;
[0018] Figure 4 is Figure 2 Enlarged schematic diagram of part A shown;
[0019] Figure 5 is Figure 2 Enlarged schematic diagram of part B shown.
[0020] Reference numerals in the figure: 1, cardboard box; 2, nameplate slot; 3, handle; 4, cover plate 1; 5, cover plate 2; 6, chute 1; 7, limiting plate 1; 8, limiting plate 2; 9, support plate 1; 10, partition; 11, chute 2; 12, waterproof layer; 13, adsorption layer; 14, heat insulation layer; 15, reinforcement layer; 16, buffer layer; 17, base layer; 18, limiting groove 1; 19, limiting groove 2; 20, limiting groove 3; 21, limiting plate 3; 22, hook surface of Velcro; 23, loop surface of Velcro; 24, support plate 2; 25, limiting groove 4. Detailed implementation manners
[0021] The present utility model will be further described below in conjunction with the accompanying drawings and implementation manners.
[0022] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , wherein, Figure 1 is a schematic diagram of the structure of a preferred embodiment of a high-strength cardboard box with waterproof function provided by the present utility model;
[0023] Figure 2 is Figure 1 Schematic diagram of the internal structure of the cardboard box shown; Figure 3 is Figure 1 Schematic diagram of the structure of the cardboard box shown; Figure 4 is Figure 2 Enlarged schematic diagram of part A shown; Figure 5 is Figure 2Schematic enlarged view of part B shown. The high-strength carton with waterproof function includes: carton 1, the carton 1 includes cover plate one 4 and cover plate two 5, the upper and lower ends of the inner walls on the left and right sides of the carton 1 are both installed with limit plates one 7, and a limit groove one 18 is opened on the front side wall of each group of limit plates one 7. The upper and lower ends of the inner walls on the front and back sides of the carton 1 are both installed with limit plates two 8, and a limit groove two 19 is opened on the right side wall of each group of limit plates two 8. The upper and lower ends of the left and right sides of the inner bottom and inner top of the carton 1 are both installed with limit plates three 21. A limit groove four 25 is opened on the front side wall of the limit plate three 21, and a limit groove three 20 is opened on the right side wall of the limit plate three 21. A support plate two 24 is inserted and connected between the limit groove one 18 and the limit groove four 25, and a support plate one 9 is inserted and connected between the limit groove two 19 and the limit groove three 20. The limit plates one 7, the limit plates two 8 and the limit plates three 21 are all made of cardboard material.
[0024] The carton 1 includes a base layer 17, a buffer layer 16 is installed on the surface of the base layer 17, and a reinforcement layer 15 is installed on the surface of the buffer layer 16.
[0025] An insulating layer 14 is installed on the surface of the reinforcement layer 15, an adsorption layer 13 is installed on the surface of the insulating layer 14, and a waterproof layer 12 is installed on the surface of the adsorption layer 13.
[0026] Chute one 6 is installed on the inner walls on the left and right sides of the carton 1, and chute two 11 is installed between the inner top and the inner top of the carton 1. A partition 10 is slidably connected to the inner wall of the chute two 11, and the partition 10 can be inserted into the chute one 6 or the inside of the chute two 11 as needed by itself.
[0027] A nameplate slot 2 is installed on the front outer wall of the carton 1, and handles 3 are installed on the outer walls on the left and right sides of the carton 1.
[0028] A magic tape hook surface 23 is installed on the top of the cover plate one 4, and a magic tape loop surface 22 is installed on the bottom of the cover plate two 5. The settings of the magic tape hook surface 23 and the magic tape loop surface 22 facilitate quickly opening the cover plate one 4 and the cover plate two 5, so as to obtain the items inside the carton 1.
[0029] The working principle of the high-strength carton with waterproof function provided by the present utility model is as follows: During the production of the carton 1, several groups of limit plates one 7, limit plates two 8 and limit plates three 21 are installed according to the required strength grade. During the folding and packaging process of the carton 1, the support plate two 24 is inserted between the limit groove one 18 and the limit groove four 25 in sequence, and the support plate one 9 is inserted into the limit groove two 19 and the limit groove three 20.
[0030] Compared with the related technology, the high-strength carton with waterproof function provided by the present utility model has the following beneficial effects:
[0031] During the production of the carton 1, several groups of the first limiting plates 7, the second limiting plates 8 and the third limiting plates 21 are installed according to the required strength level. During the folding and packaging process of the carton 1, the second supporting plate 24 is sequentially inserted between the first limiting groove 18 and the fourth limiting groove 25, and the first supporting plate 9 is inserted into the second limiting groove 19 and the third limiting groove 20. After the first supporting plate 9 and the second supporting plate 24 are installed, a triangular stable structure is formed between the first supporting plate 9, the second supporting plate 24 and each inner wall of the carton 1, thereby improving the compressive strength of the carton 1.
[0032] The above are only the embodiments of the present invention, and thus do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the description and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.
Claims
1. A high-strength carton with waterproof function, characterized in that: The invention comprises: a carton, wherein the carton comprises a cover plate 1 and a cover plate 2, a limiting plate 1 is installed at both upper and lower ends of the inner walls on the left and right sides of the carton, a limiting groove 1 is provided on the front end side wall of each group of the limiting plate 1, a limiting plate 2 is installed at both upper and lower ends of the inner walls on the front and rear sides of the carton, a limiting groove 2 is provided on the right end side wall of each group of the limiting plate 2, a limiting plate 3 is installed at both left and right ends of the inner bottom and the inner top of the carton, a limiting groove 4 is provided on the front end side wall of the limiting plate 3, a limiting groove 3 is provided on the right end side wall of the limiting plate 3, a support plate 2 is plugged in between the limiting groove 1 and the limiting groove 4, and a support plate 1 is plugged in between the limiting groove 2 and the limiting groove 3.
2. The high-strength paper box with waterproof function according to claim 1 is characterized in that: The carton comprises a base layer, a buffer layer is installed on the surface of the base layer, and a reinforcement layer is installed on the surface of the buffer layer.
3. The high-strength paper box with waterproof function according to claim 2, characterized in that: A heat insulation layer is installed on the surface of the reinforcement layer, an adsorption layer is installed on the surface of the heat insulation layer, and a waterproof layer is installed on the surface of the adsorption layer.
4. The high-strength paper box with waterproof function according to claim 1, characterized in that: The inner walls on both sides of the carton are both provided with a first slide groove, the inner top of the carton is both provided with a second slide groove and between the inner tops, and the inner wall of the second slide groove is slidably connected with a partition.
5. The high-strength paper box with waterproof function according to claim 1, characterized in that: The front end outer wall of the carton is provided with a nameplate slot, and the left and right outer walls of the carton are provided with handles.
6. The high-strength paper box with waterproof function according to claim 1, characterized in that: The top of the cover plate 1 is provided with a Velcro hook surface, and the bottom of the cover plate 2 is provided with a Velcro fleece surface.
Citation Information
Patent Citations
High-strength carton with waterproof function
CN215623417U