Reinforced packaging box
By applying multiple layers of reinforced veneer layer on the inner side of the upper cover, side plate and lower bottom plate of the corrugated cardboard packaging box, and adding flame retardant mesh plates to it, the problem of insufficient pressure resistance and fire resistance of the corrugated cardboard packaging box is solved, and higher load-bearing capacity and lower fire risk are achieved.
Patent Information
- Application Number
- CN202420599947.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-03-27
AI Technical Summary
The existing corrugated packaging boxes have shortcomings in their pressure resistance and fire resistance, which are prone to deformation and easily cause fire after being heated.
A reinforced packaging box is designed, adopting a three-layer or five-layer corrugated paper structure, and a reinforced veneer layer is applied to the inner side of the upper cover plate, side plate and lower bottom plate. The number of veneer layer is 2-7 layers, and it contains flame-retardant mesh plates to improve fire resistance.
It effectively improves the pressure resistance and fire resistance of the packaging box, reduces the occurrence of fire, and saves raw materials.
Smart Images

Figure CN222756956U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging, and in particular to a reinforced packaging box. Background Art
[0002] The corrugated paper packaging boxes currently in use are made of integral corrugated cardboard, which is cut and then bound into boxes. According to the different pressure resistance of the objects in the box, three, five, or seven layers of corrugated cardboard are used to improve the overall pressure resistance of the packaging box. In fact, the bearing capacity of the packaging box mainly depends on the four side panels of the box body, and the upper cover and the lower bottom panel only play a sealing role. The box body is easy to deform. In addition, since the box body itself is a paper product, once it is heated and ignited, it is easy to cause a continuous fire, which is a great hidden danger for the warehouse.
[0003] How to solve the above problems is an important direction that corrugated paper packaging boxes need to study at present. Utility Model Content
[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a reinforced packaging box, comprising an upper cover, side panels and a lower bottom panel, wherein the upper cover, side panels and lower bottom panel are three-layer or five-layer corrugated paper structures, and a reinforced veneer layer is applied to the inner side of the side panel alone or to the inner side of the side panel, upper cover and lower bottom panel, and the number of layers of the reinforced veneer layer is 2-7 layers.
[0005] Preferably, the width, length and height of the reinforced veneer on the upper cover plate and the lower base plate can be adjusted at will within the range of the width, length and height of the upper cover plate and the lower base plate.
[0006] Preferably, the reinforcing veneer is corrugated cardboard.
[0007] Preferably, the reinforced veneer layer comprises:
[0008] A first layer, the first layer is composed of the containerboard paper;
[0009] A second layer, wherein the second layer is composed of the corrugated paper;
[0010] The third layer is composed of containerboard or flame retardant mesh board.
[0011] Preferably, the reinforced veneer layer comprises:
[0012] A first layer, the first layer is composed of the containerboard paper;
[0013] A second layer, the second layer is composed of the corrugated paper;
[0014] A third layer, the third layer is composed of corrugated core paper;
[0015] a fourth layer, the fourth layer being composed of the corrugated paper; and
[0016] The fifth layer is composed of boxboard paper or flame retardant mesh board.
[0017] Preferably, the reinforced veneer layer comprises:
[0018] A first layer, the first layer is composed of the containerboard paper;
[0019] A second layer, the second layer is composed of the corrugated paper;
[0020] A third layer, the third layer is composed of corrugated core paper;
[0021] A fourth layer, the fourth layer is composed of the corrugated paper;
[0022] A fifth layer, the fifth layer is composed of corrugated core paper;
[0023] a sixth layer, the sixth layer being composed of the corrugated base paper; and
[0024] The seventh layer is composed of boxboard or flame retardant mesh board;
[0025] Preferably, the flame retardant mesh plate includes a mesh plate frame, in which flame retardant cotton thread is woven, fire-retardant paper is applied to one side of the flame retardant cotton thread, the fire-retardant paper is coated with flame retardant coating on the side away from the flame retardant cotton thread, a fire-retardant FY polyester fiber flame retardant board is arranged on the side of the flame retardant coating away from the fire-retardant paper, and an aluminum film layer is arranged on the side of the fire-retardant FY polyester fiber flame retardant board away from the flame retardant coating.
[0026] Preferably, the reinforcing veneer layer is a plastic board, boxboard or 10-1000g white paper.
[0027] Preferably, the side panels are an integral whole connected end to end by stapling or bonding.
[0028] Compared with the existing technology, the beneficial effects of the utility model are: the upper cover plate is provided with a certain width of reinforced veneer according to actual needs, and the side panels are provided with reinforced veneers, and the lower bottom plate is provided with a certain width of reinforced veneer according to actual needs, which can meet the load-bearing requirements of the packaging and save a large amount of raw materials; at the same time, a flame-retardant mesh plate is provided in the reinforced veneer, which can effectively improve the fire resistance of the corrugated paper box and reduce the occurrence of fire. BRIEF DESCRIPTION OF THE DRAWINGS
[0029] Figure 1 This is a schematic diagram of the overall structure of a reinforced packaging box proposed by the utility model (without additional strong veneer);
[0030] Figure 2 This is a schematic diagram of the overall structure of a reinforced packaging box proposed by the utility model (with additional strong veneer);
[0031] Figure 3 This is a side structural schematic diagram of a reinforced veneer in a reinforced packaging box proposed by the utility model (3 layers);
[0032] Figure 4 This is a side structural schematic diagram of a reinforced veneer in a reinforced packaging box proposed by the utility model (5 layers);
[0033] Figure 5 This is a side structural schematic diagram of a reinforced veneer in a reinforced packaging box proposed by the utility model (7 layers);
[0034] Figure 6 This is a schematic diagram of the side structure of the flame-retardant mesh panel in the reinforced veneer proposed by the utility model;
[0035] Figure 7 The utility model is a schematic diagram of the side structure of the flame-retardant mesh panel in the reinforced veneer. DETAILED DESCRIPTION
[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0037] Example 1
[0038] Reference Figure 1 , 2 , 3, 6, 7, this embodiment provides a reinforced packaging box, including an upper cover plate 1, side panels 2 and a lower bottom plate 3, and the upper cover plate 1, side panels 2 and lower bottom plate 3 are three-layer or five-layer corrugated paper structures, and the inner side of the side panel 2 alone or the inner sides of the side panel 2, upper cover plate 1, and lower bottom plate 3 are affixed with a reinforced veneer 4, and the number of layers of the reinforced veneer 4 is 3-7 layers.
[0039] Preferably, the width, length and height of the reinforcing veneer 4 on the upper cover plate 1 and the lower base plate 3 are adjustable within the range of the width, length and height of the upper cover plate 1 and the lower base plate 3 .
[0040] Preferably, the reinforcing veneer 4 is made of corrugated cardboard.
[0041] Preferably, the reinforced veneer layer comprises:
[0042] A first layer, the first layer is composed of the containerboard paper 41;
[0043] A second layer, wherein the second layer is composed of the corrugated paper 42;
[0044] The third layer is composed of containerboard or flame retardant mesh board 43.
[0045] Furthermore, the flame retardant mesh plate includes a mesh plate frame 430, in which a flame retardant cotton thread 431 is woven, a fire retardant paper 432 is applied to one side of the flame retardant cotton thread 431, a flame retardant coating 433 is coated on the side of the fire retardant paper 432 away from the flame retardant cotton thread 431, a fire retardant FY polyester fiber flame retardant board 434 is arranged on the side of the flame retardant coating 433 away from the fire paper 432, and an aluminum film layer 435 is arranged on the side of the fire retardant FY polyester fiber flame retardant board 434 away from the flame retardant coating.
[0046] Embodiment 2,
[0047] Reference Figure 1 , 2 , 4, 6, 7, this embodiment provides a reinforced packaging box, including an upper cover plate 1, side plates 2 and a lower bottom plate 3, and the upper cover plate 1, side plates 2 and the lower bottom plate 3 are three-layer or five-layer corrugated paper structures, and the inner side of the side plate 2 alone or the inner sides of the side plate 2, the upper cover plate 1, and the lower bottom plate 3 are affixed with a reinforced veneer 4, and the number of layers of the reinforced veneer 4 is 2-7 layers.
[0048] Preferably, the width, length and height of the reinforcing veneer 4 on the upper cover plate 1 and the lower base plate 3 are adjustable within the range of the width, length and height of the upper cover plate 1 and the lower base plate 3 .
[0049] Preferably, the reinforcing veneer 4 is a corrugated cardboard
[0050] Preferably, the reinforced veneer comprises:
[0051] A first layer, the first layer is composed of the containerboard paper 41;
[0052] A second layer, the second layer is composed of the corrugated paper 42;
[0053] A third layer, the third layer is composed of corrugated core paper;
[0054] a fourth layer, the fourth layer being composed of the corrugated paper; and
[0055] The fifth layer is composed of boxboard paper or flame retardant mesh board.
[0056] Furthermore, the flame retardant mesh plate includes a mesh plate frame 430, in which a flame retardant cotton thread 431 is woven, a fire retardant paper 432 is applied to one side of the flame retardant cotton thread 431, a flame retardant coating 433 is coated on the side of the fire retardant paper 432 away from the flame retardant cotton thread 431, a fire retardant FY polyester fiber flame retardant board 434 is arranged on the side of the flame retardant coating 433 away from the fire paper 432, and an aluminum film layer 435 is arranged on the side of the fire retardant FY polyester fiber flame retardant board 434 away from the flame retardant coating.
[0057] Example 3
[0058] Reference Figure 1 , 2 , 5, 6, 7, this embodiment provides a reinforced packaging box, including an upper cover plate 1, side panels 2 and a lower bottom plate 3, and the upper cover plate 1, side panels 2 and lower bottom plate 3 are three-layer or five-layer corrugated paper structures, and the inner side of the side panel 2 alone or the inner sides of the side panel 2, upper cover plate 1, and lower bottom plate 3 are affixed with a reinforced veneer 4, and the number of layers of the reinforced veneer 4 is 3-7 layers.
[0059] Preferably, the width, length and height of the reinforcing veneer 4 on the upper cover plate 1 and the lower base plate 3 are adjustable within the range of the width, length and height of the upper cover plate 1 and the lower base plate 3 .
[0060] Preferably, the reinforcing veneer 4 is a corrugated cardboard;
[0061] Preferably, the reinforced veneer layer comprises:
[0062] A first layer, the first layer is composed of the containerboard paper;
[0063] A second layer, the second layer is composed of the corrugated paper;
[0064] A third layer, the third layer is composed of corrugated core paper;
[0065] A fourth layer, the fourth layer is composed of the corrugated paper;
[0066] A fifth layer, the fifth layer is composed of corrugated core paper;
[0067] a sixth layer, the sixth layer being composed of the corrugated base paper; and
[0068] The seventh layer is composed of boxboard or flame retardant mesh board;
[0069] Furthermore, the flame retardant mesh plate includes a mesh plate frame 430, in which a flame retardant cotton thread 431 is woven, a fire retardant paper 432 is applied to one side of the flame retardant cotton thread 431, a flame retardant coating 433 is coated on the side of the fire retardant paper 432 away from the flame retardant cotton thread 431, a fire retardant FY polyester fiber flame retardant board 434 is arranged on the side of the flame retardant coating 433 away from the fire paper 432, and an aluminum film layer 435 is arranged on the side of the fire retardant FY polyester fiber flame retardant board 434 away from the flame retardant coating.
[0070] Example 4
[0071] Reference Figure 1 , 2 3. This embodiment provides a reinforced packaging box, including an upper cover plate 1, side plates 2 and a lower bottom plate 3, and the upper cover plate 1, side plates 2 and lower bottom plate 3 are three-layer or five-layer corrugated paper structures, and the inner side of the side plate 2 alone or the inner sides of the side plate 2, upper cover plate 1 and lower bottom plate 3 are affixed with a reinforced veneer 4, and the number of layers of the reinforced veneer 4 is 2-7 layers.
[0072] Furthermore, the width, length and height of the reinforcing veneer 4 on the upper cover plate 1 and the lower base plate 3 can be adjusted at will within the range of the width, length and height of the upper cover plate 1 and the lower base plate 3 .
[0073] The reinforced veneer layer is a plastic plate, which is not specifically shown in the accompanying drawings.
[0074] Example 5
[0075] Reference Figure 1 , 2 3. This embodiment provides a reinforced packaging box, including an upper cover plate 1, side plates 2 and a lower bottom plate 3, and the upper cover plate 1, side plates 2 and lower bottom plate 3 are three-layer or five-layer corrugated paper structures, and the inner side of the side plate 2 alone or the inner sides of the side plate 2, upper cover plate 1 and lower bottom plate 3 are affixed with a reinforced veneer 4, and the number of layers of the reinforced veneer 4 is 2-7 layers.
[0076] Furthermore, the width, length and height of the reinforcing veneer 4 on the upper cover plate 1 and the lower base plate 3 can be adjusted at will within the range of the width, length and height of the upper cover plate 1 and the lower base plate 3 .
[0077] Furthermore, the reinforced veneer layer is made of corrugated paper or 10-1000g white paper, which is not specifically shown in the accompanying drawings.
[0078] Furthermore, the side panels are an integral whole connected at the ends by stapling or bonding.
[0079] In the above embodiment, the upper cover plate is provided with a certain width of reinforced veneer according to actual needs, and the side plate is provided with a reinforced veneer, and the lower bottom plate is provided with a certain width of reinforced veneer according to actual needs, which can meet the load-bearing requirements of the packaging and save a lot of raw materials;
[0080] In addition, in Examples 1-3, a flame-retardant mesh panel is provided inside the reinforced veneer, which can effectively improve the fire resistance of the corrugated paper box and greatly reduce the occurrence of fire.
[0081] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A reinforced packaging box, characterized in that: It includes an upper cover plate, a side plate and a lower bottom plate, and the upper cover plate, the side plate and the lower bottom plate are three-layer or five-layer corrugated paper structures. The inner side of the side plate alone or the inner sides of the side plate, the upper cover plate and the lower bottom plate are covered with a reinforcing veneer layer, and the number of layers of the reinforcing veneer layer is 2-7 layers; the reinforcing veneer is a corrugated paperboard or a plastic board or a 10-1000g white paper; the side plate is a whole connected at the ends by stapling or bonding.
2. A reinforced packaging box according to claim 1, characterized in that: The width, length and height of the reinforced veneer on the upper cover plate and the lower base plate can be adjusted at will within the range of the width, length and height of the upper cover plate and the lower base plate.
3. A reinforced packaging box according to claim 1, characterized in that: The reinforced veneer layer is corrugated cardboard.
4. A reinforced packaging box according to claim 1, characterized in that: The reinforced veneer layer comprises: A first layer, the first layer being composed of containerboard; A second layer, the second layer is composed of corrugated paper; The third layer is composed of containerboard or flame retardant mesh board.
5. The reinforced packaging box according to claim 1, characterized in that: The reinforced veneer layer comprises: A first layer, the first layer is composed of containerboard; A second layer, the second layer is composed of corrugated paper; A third layer, the third layer is composed of corrugated core paper; a fourth layer, the fourth layer being composed of corrugated paper; and The fifth layer is composed of boxboard paper or flame retardant mesh board.
6. The reinforced packaging box according to claim 1, characterized in that: The reinforced veneer layer comprises: A first layer, the first layer is composed of containerboard; A second layer, the second layer is composed of corrugated paper; A third layer, the third layer is composed of corrugated core paper; The fourth layer is composed of corrugated paper; A fifth layer, the fifth layer is composed of corrugated core paper; a sixth layer, the sixth layer being composed of corrugated paper; and The seventh layer is composed of boxboard paper or flame-retardant mesh board.
7. A reinforced packaging box according to any one of claims 4 to 6, characterized in that: The boxboard or flame-retardant mesh plate includes a mesh frame, in which flame-retardant cotton thread is woven, and fire-retardant paper is applied to one side of the flame-retardant cotton thread. The fire-retardant paper is coated with flame-retardant coating on the side away from the flame-retardant cotton thread, and a fire-retardant FY polyester fiber flame-retardant board is arranged on the side of the flame-retardant coating away from the fire-retardant paper, and an aluminum film layer is arranged on the side of the fire-retardant FY polyester fiber flame-retardant board away from the flame-retardant coating.