Corrugated board with double corrugated paper cores

By introducing a limit structure and a waterproof structure into the corrugated cardboard, the problem of corrugated cardboard loose board is solved, which enhances its stability and water resistance and extends its service life.

CN222139654UActive Publication Date: 2024-12-10WENZHOU BAIZHAN PACKAGING DECORATION CO LTD
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Patent Information

Application Number
CN202420860546.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2024-12-10
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

Corrugated cardboard with double corrugated core is prone to loosening during use, resulting in a shortening of service life.

Method used

A corrugated cardboard including a limiting structure and a waterproof structure is designed, and the limiting protection is carried out through the engagement structure of the hole groove and the engagement column, and the waterproof effect is achieved by adapting the adhesive plate to the groove.

Benefits of technology

Effectively prevent the corners of corrugated cardboard from falling apart, enhance its stability, improve water resistance, and extend service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is applicable to the technical field of corrugated boards, and provides a corrugated board with double corrugated paper cores, which comprises a first board body, a first paper core is arranged at the top end of the first board body, a second paper core is arranged at the top end of the first paper core, a second board body is arranged at the top end of the second paper core, and a limiting structure comprises a hole groove. A hole groove is formed in one side of the second plate body, a clamping column is arranged in the hole groove, a limiting plate is fixed to one side of the clamping column, and a fixing block is fixed to the middle of the other side of the limiting plate. By arranging the limiting structures, the multiple hole grooves are formed in the interiors of the two sides of the first plate body and the interiors of the two sides of the second plate body at equal intervals, through the clamping structures of the hole grooves and the clamping columns, the two sets of limiting plates are symmetrically limited to the two sides of the first plate body and the two sides of the second plate body, and the corrugated board is more stable in structure.
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Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated paperboards, in particular to a corrugated paperboard with a double corrugated paper core. Background Art

[0002] Corrugated cardboard is a multi-layer adhesive body, which is composed of at least one layer of corrugated core paper and one layer of cardboard. It has high mechanical strength and can withstand collisions and falls during transportation. Among the types of corrugated cardboard, there is a double corrugated paper core corrugated cardboard.

[0003] When the corrugated cardboard with double corrugated paper core is in use, due to external force and long-term use, the corrugated cardboard with double corrugated paper core may become loose. Therefore, the designed limiting structure limits the side of the corrugated cardboard with double corrugated paper core to protect it and extend the service life of the corrugated cardboard with double corrugated paper core. Utility Model Content

[0004] The utility model provides a corrugated paperboard with a double corrugated paper core, aiming to solve the problem that the corrugated paperboard is easy to fall apart.

[0005] The utility model is implemented as follows: a corrugated paperboard with a double corrugated paper core comprises a first board body, a first paper core is arranged at the top of the first board body, a second paper core is arranged at the top of the first paper core, a second board body is arranged at the top of the second paper core, a waterproof structure is arranged at the top of the second board body, and a limiting structure is arranged on one side of the second board body;

[0006] The limiting structure includes a hole groove, which is arranged inside one side of the second plate body. A locking column is arranged inside the hole groove. A limiting plate is fixed on one side of the locking column, and a fixing block is fixed at the middle position of the other side of the limiting plate.

[0007] Preferably, a plurality of the engaging columns are provided, and the plurality of the engaging columns are distributed at equal intervals on one side of the limiting plate.

[0008] Preferably, the inner diameter of the hole is larger than the outer diameter of the engaging column, and the hole and the engaging column form an engaging structure.

[0009] Preferably, the waterproof structure comprises a groove, the groove is arranged inside the top end of the second plate body, an adhesive plate is arranged inside the groove, a waterproof plate is arranged at the top end of the adhesive plate, and a waterproof layer is arranged at the top end of the waterproof plate.

[0010] Preferably, the outer diameter of the adhesive plate is smaller than the inner diameter of the groove, and the adhesive plate is adapted to the groove.

[0011] Preferably, two groups of the grooves are provided, and the two groups of the grooves are respectively provided at the top end of the second plate body and the bottom end of the first plate body.

[0012] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0013] By setting a limiting structure, a plurality of holes and grooves are provided, which are evenly spaced inside the two sides of the first plate body and the two sides of the second plate body. Through the engaging structure of the holes and grooves and the engaging columns, the two groups of limiting plates are symmetrically limited on both sides of the first plate body and the second plate body, making the corrugated cardboard more stable in structure.

[0014] By setting up a waterproof structure and adapting the adhesive plate to the groove, the adhesive plate can be limited at the bottom end of the first plate body and the top end of the second plate body. Then, through the waterproof layer, the waterproof layer and the waterproof plate can simultaneously waterproof the corrugated cardboard, thereby making the corrugated cardboard more water-resistant. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 2 It is a front view structural schematic diagram of the utility model;

[0017] Figure 3 The utility model Figure 1 The enlarged structural diagram at A in the middle;

[0018] Figure 4 This is a three-dimensional structural diagram of the limiting structure of the utility model

[0019] In the figure: 1. first plate body; 2. first paper core; 3. second paper core; 4. limiting structure; 401. hole groove; 402. limiting plate; 403. locking column; 404. fixing block; 5. second plate body; 6. waterproof structure; 601. waterproof layer; 602. waterproof plate; 603. adhesive plate; 604. groove. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0022] The utility model embodiment provides a corrugated paperboard with a double corrugated paper core, such as Figure 1-4 As shown, it includes a first plate body 1, a first paper core 2 is arranged at the top of the first plate body 1, a second paper core 3 is arranged at the top of the first paper core 2, a second plate body 5 is arranged at the top of the second paper core 3, a waterproof structure 6 is arranged at the top of the second plate body 5, and a limiting structure 4 is arranged on one side of the second plate body 5.

[0023] It should be noted that, due to the problem that corrugated cardboard is easy to fall apart, this solution sets a limiting structure 4, and a plurality of holes 401 are set, which are evenly spaced inside the two sides of the first plate body 1 and the two sides of the second plate body 5. Through the engaging structure of the holes 401 and the engaging columns 403, the two groups of limiting plates 402 are symmetrically limited on both sides of the first plate body 1 and the second plate body 5, making the corrugated cardboard more stable in structure.

[0024] Specifically, in this embodiment, this scheme mainly includes a limiting structure 4, which includes a hole groove 401, which is arranged inside one side of the second plate body 5, and a locking column 403 is arranged inside the hole groove 401. A limiting plate 402 is fixed on one side of the locking column 403, and a fixing block 404 is fixed in the middle position of the other side of the limiting plate 402. First, the hole grooves 401 are evenly spaced inside the first plate body 1 and the second plate body 5 on both sides, and then the locking columns 403 are evenly fixed on the other side of the limiting plate 402, and then the fixing block 404 is fixed in the middle position of one side of the limiting plate 402, and then the locking columns 403 are correspondingly locked in the hole groove 401, so that the limiting plate 402 is symmetrically limited on both sides of the first plate body 1 and the second plate body 5, so as to limit the corrugated cardboard and prevent the corners of the corrugated cardboard from falling apart.

[0025] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 and Figure 4As shown, there are a plurality of engaging columns 403, which are evenly spaced on one side of the limiting plate 402. The inner diameter of the hole 401 is larger than the outer diameter of the engaging column 403. The hole 401 and the engaging column 403 constitute an engaging structure. Through the evenly spaced distribution of the engaging columns 403, a plurality of engaging columns 403 are correspondingly engaged with a plurality of hole slots 401. The engaging structure between the hole slots 401 and the engaging columns 403 facilitates the limiting of the limiting plate 402, making the limiting of the limiting plate 402 more stable.

[0026] Specifically, in this embodiment, this scheme mainly includes a waterproof structure 6, and the waterproof structure 6 includes a groove 604. The groove 604 is arranged inside the top of the second plate body 5. An adhesive plate 603 is arranged inside the groove 604. A waterproof plate 602 is arranged on the top of the adhesive plate 603. A waterproof layer 601 is arranged on the top of the waterproof plate 602. First, a groove 604 is opened at the bottom end of the first plate body 1 and the top end of the second plate body 5, and then the adhesive plate 603 is adhered to the bottom end of the waterproof plate 602. The adhesive plate 603 is adhered to the inside of the groove 604, so that the waterproof plate 602 is limited at the top of the second plate body 5 and the bottom end of the first plate body 1, and then the waterproof layer 601 is evenly coated on the outer wall of the waterproof plate 602, so that the corrugated cardboard is better waterproof when used.

[0027] In a further preferred embodiment of the present invention, Figure 1 , Figure 2 and Figure 3 As shown, the outer diameter of the adhesive plate 603 is smaller than the inner diameter of the groove 604, the adhesive plate 603 is adapted to the groove 604, and two groups of grooves 604 are provided. The two groups of grooves 604 are respectively provided at the top end of the second plate body 5 and the bottom end of the first plate body 1. By adapting the adhesive plate 603 and the groove 604, the waterproof plate 602 can be adhered to the bottom end of the first plate body 1 and the top end of the second plate body 5. The respective settings of the grooves 604 enable the first plate body 1 and the second plate body 5 to both have the effect of limiting the waterproof plate 602.

[0028] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0029] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0030] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0031] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A corrugated paperboard with a double corrugated paper core, characterized in that: The invention comprises a first plate body (1), a first paper core (2) is arranged at the top of the first plate body (1), a second paper core (3) is arranged at the top of the first paper core (2), a second plate body (5) is arranged at the top of the second paper core (3), a waterproof structure (6) is arranged at the top of the second plate body (5), and a limiting structure (4) is arranged on one side of the second plate body (5); The limiting structure (4) comprises a hole groove (401), wherein the hole groove (401) is arranged inside one side of the second plate body (5), a locking column (403) is arranged inside the hole groove (401), a limiting plate (402) is fixed on one side of the locking column (403), and a fixing block (404) is fixed at the middle position of the other side of the limiting plate (402).

2. A corrugated paperboard with a double corrugated paper core as claimed in claim 1, characterized in that: A plurality of the engaging columns (403) are provided, and the plurality of the engaging columns (403) are distributed at equal intervals on one side of the limiting plate (402).

3. A corrugated paperboard with a double corrugated paper core as claimed in claim 1, characterized in that: The inner diameter of the hole groove (401) is greater than the outer diameter of the locking column (403), and the hole groove (401) and the locking column (403) form a locking structure.

4. A corrugated paperboard with a double corrugated paper core as claimed in claim 1, characterized in that: The waterproof structure (6) comprises a groove (604), wherein the groove (604) is arranged inside the top end of the second plate body (5), an adhesive plate (603) is arranged inside the groove (604), a waterproof plate (602) is arranged at the top end of the adhesive plate (603), and a waterproof layer (601) is arranged at the top end of the waterproof plate (602).

5. A corrugated paperboard with a double corrugated paper core as claimed in claim 4, characterized in that: The outer diameter of the adhesive plate (603) is smaller than the inner diameter of the groove (604), and the adhesive plate (603) is adapted to the groove (604).

6. A corrugated paperboard with a double corrugated paper core as claimed in claim 4, characterized in that: The grooves (604) are provided in two groups, and the two groups of grooves (604) are respectively provided at the top end of the second plate body (5) and the bottom end of the first plate body (1).