Corrugated lining body and packaging box
By using a corrugated lining body laminated with multi-layer corrugated cardboard, the shortcomings of the existing packaging box lining materials in terms of environmental protection and compressive strength are solved, and high compression resistance, good vibration damping and environmental protection are achieved.
Patent Information
- Application Number
- CN202421793051.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-26
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-07-26
AI Technical Summary
Existing packaging box lining materials such as EVA, EPE and honeycomb cardboard have shortcomings in terms of environmental protection and compressive strength, and it is difficult to meet the needs of environmental protection and high compressive resistance at the same time.
The corrugated inner lining body arranged with multi-layer corrugated cardboard is formed by laminating the first lining part and the second lining part to form a groove and a main through groove structure, enhance the compressive strength, and realize the vibration damping effect through multi-layer buffering of the corrugated cardboard.
It achieves high compressive strength and good vibration damping effect. At the same time, due to the use of paper materials, it has good environmental protection properties, and the material is easy to degrade and has no harmful substances.
Smart Images

Figure CN223001983U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging, in particular to a corrugated inner liner and a packing box. Background Art
[0002] With the rapid development of the current express delivery industry, the consumption of packing boxes is increasing year by year. Various packagings such as ethylene-vinyl acetate copolymer (Ethylene Vinyl Acetate Copolymer, abbreviated as EVA), expandable polyethylene (Expandable Polyethylene, abbreviated as EPE, also known as pearl cotton), and honeycomb paper are widely used in various fields such as electronics, medicine, and machinery industries. According to the shape of the product, various EVA, EPE, honeycomb paperboard and other packaging liners are cut or folded to achieve the effects of fixing and shock absorption. However, although the EVA and EPE liners have good fixing and shock absorption effects on the products, due to their material factors, the degradation time is long, so the environmental protection effect is poor; although the honeycomb paperboard material is more environmentally friendly, it is easy to collapse and has weak compressive strength, which is not conducive to the protection of products. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to provide a corrugated inner liner and a packing box, which are both environmentally friendly and have high compressive strength.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows:
[0005] A corrugated inner liner, comprising:
[0006] A first inner liner part, the first inner liner part is provided with a groove; and
[0007] A second inner liner part, the second inner liner part is stacked with the first inner liner part, the second inner liner part is provided with a main through groove, and the main through groove is communicated with the groove and jointly forms a space for accommodating the loaded object;
[0008] Wherein, the first inner liner part and the second inner liner part respectively comprise at least one layer of corrugated paperboard.
[0009] Further, both the first inner liner part and the second inner liner part are made of multiple layers of corrugated paperboard stacked.
[0010] Further, the first inner liner part and the second inner liner part are connected to form an integral structure.
[0011] Further, the second inner liner part further comprises a first relief through groove in the same through direction as the main through groove, the first relief through groove is adjacent to the main through groove and communicated with the main through groove.
[0012] Further, there are at least two first relief through grooves, and the at least two first relief through grooves are oppositely arranged.
[0013] Further, the shape of the first relief through groove is strip-shaped.
[0014] Further, the second inner lining part further includes a second relief through groove having the same through direction as that of the main through groove, and the second relief through groove is arranged on the outer side wall of the second inner lining part.
[0015] Further, the central axis of the inner space of the groove is coaxial with the central axis of the inner space of the main through groove.
[0016] Further, the side wall thicknesses around the second inner lining part are all equal.
[0017] A packing box includes an outer box body and the corrugated inner lining body as described above, and the corrugated inner lining body is placed inside the outer box body.
[0018] The beneficial effects of the present utility model are as follows:
[0019] A corrugated inner lining body provided by the present utility model forms a corrugated inner lining body through the stacked arrangement of the first inner lining part and the second inner lining part, and a groove is provided in the first inner lining part and a main through groove is provided in the second inner lining part. The main through groove communicates with the groove and jointly forms a space for accommodating the loaded object; wherein, the first inner lining part and the second inner lining part respectively include at least one layer of corrugated paperboard. This corrugated inner lining body has high vertical and side compressive strengths, and the buffering of multiple layers of corrugated paperboard enables its vibration reduction effect to reach that of EVA and EPE; at the same time, the material of the corrugated inner lining body is paper, which is a very good environmental protection material, with sufficient raw materials, easy to reuse, easy to degrade, and no harmful substances, and is convenient for processing. The present utility model also provides a packing box, which applies the corrugated inner lining body inside the outer box body to improve the compressive strength of the packing box. Description of the Drawings
[0020] Figure 1 It is a schematic structural view of a corrugated inner lining body of the present utility model;
[0021] Figure 2 It is a top view of a corrugated inner lining body of the present utility model;
[0022] Figure 3 It is Figure 2 a cross-sectional view taken along line A-A in
[0023] Label Description:
[0024] 1. Corrugated inner lining body; 11. First inner lining part; 111. Groove; 12. Second inner lining part; 121. Main through groove; 13. First relief through groove; 14. Second relief through groove; 15. Handle part. Detailed implementation mode
[0025] To describe in detail the technical content, achieved purpose and effects of the present utility model, the following is described in conjunction with the implementation modes and with reference to the accompanying drawings.
[0026] Please refer to Figures 1 to 3 , a corrugated inner lining body provided by the present utility model includes:
[0027] A first inner lining part, the first inner lining part is provided with a groove; and
[0028] A second inner lining part, the second inner lining part is stacked with the first inner lining part, the second inner lining part is provided with a main through groove, and the main through groove communicates with the groove and jointly forms a space for accommodating the loaded object;
[0029] Wherein, the first inner lining part and the second inner lining part each include at least one layer of corrugated cardboard.
[0030] From the above description, it can be seen that the beneficial effects of the present utility model are as follows:
[0031] A corrugated inner lining body provided by the present utility model forms a corrugated inner lining body by stacking the first inner lining part and the second inner lining part, and the first inner lining part is provided with a groove and the second inner lining part is provided with a main through groove, and the main through groove communicates with the groove and jointly forms a space for accommodating the loaded object; wherein, the first inner lining part and the second inner lining part each include at least one layer of corrugated cardboard. This corrugated inner lining body has high vertical and side compressive strengths, and the buffering of multiple layers of corrugated cardboard enables its vibration reduction to reach the effects of EVA and EPE; at the same time, the material of the corrugated inner lining body is paper, which is a very good environmental protection material, with sufficient raw materials, easy to reuse, easy to degrade, no harmful substances, and easy to process.
[0032] Furthermore, both the first inner lining part and the second inner lining part are made by stacking multiple layers of corrugated cardboard.
[0033] From the above description, it can be seen that by adopting the above method, the compressive strengths of the first inner lining part and the second inner lining part can be improved.
[0034] Furthermore, the first inner lining part and the second inner lining part are connected to form an integral structure.
[0035] From the above description, it can be seen that by adopting the above method, it is convenient for installation during actual use, and its structure is relatively more stable.
[0036] Furthermore, the second inner lining part further includes a first relief through groove having the same through direction as the main through groove, and the first relief through groove is adjacent to the main through groove and communicates with the main through groove.
[0037] As can be seen from the above description, in the above manner, when the load is inside the corrugated inner liner, it is convenient for fingers to reach in and grab the load out.
[0038] Further, there are at least two first relief through slots, and at least two of the first relief through slots are arranged oppositely.
[0039] As can be seen from the above description, in the above manner, it is convenient to use a variety of grasping methods.
[0040] Further, the shape of the first relief through slot is strip-shaped.
[0041] As can be seen from the above description, in the above manner, it meets the manual grasping requirements.
[0042] Further, the second inner lining portion further includes a second relief through slot having the same through direction as the main through slot, and the second relief through slot is provided on the outer side wall of the second inner lining portion.
[0043] As can be seen from the above description, in the above manner, a structure for extracting the inner liner can be formed.
[0044] Further, the central axis of the internal space of the groove is coaxial with the central axis of the internal space of the main through slot.
[0045] Further, the side wall thicknesses around the second inner lining portion are all equal.
[0046] As can be seen from the above description, in the above manner, when the load is placed, the compressive strength around it can reach consistency, and the load can be better protected.
[0047] A packing box includes an outer box body and the corrugated inner liner as described above, and the corrugated inner liner is placed inside the outer box body.
[0048] As can be seen from the above description, the beneficial effect of the present utility model is that: the present utility model also provides a packing box, which applies the corrugated inner liner inside the outer box body to improve the compressive strength of the packing box.
[0049] Please refer to Figures 1 to 3 , Embodiment 1 of the present utility model is:
[0050] A corrugated inner liner 1 provided by the present utility model includes:
[0051] A first inner lining portion 11, the first inner lining portion 11 is provided with a groove 111, and the cross-sectional shape of the groove is square;
[0052] The second inner lining part 12, the second inner lining part 12 is stacked with the first inner lining part 11, the second inner lining part 12 is provided with a main through groove 121, and the cross-sectional shape of the main through groove 121 is square; the main through groove 121 communicates with the groove 111 and jointly forms a space for accommodating the loaded object; the central axis of the internal space of the groove 111 and the central axis of the internal space of the main through groove 121 are coaxial. The shapes of the groove and the main through groove are designed according to the shape of the loaded object, and only need to meet the adaptation of the two.
[0053] Wherein, both the first inner lining part 11 and the second inner lining part 12 are made by stacking multiple layers of corrugated cardboard.
[0054] The first inner lining part 11 and the second inner lining part 12 are connected to form an integral structure. Among them, when the first inner lining part and the second inner lining part are produced and manufactured, they can be produced and manufactured separately. After manufacturing, they can be connected by adhesives or other existing means to achieve the combination of the two. Of course, they can also be produced and manufactured at one time, that is, formed as a whole, and a space for accommodating the loaded object is opened inside the whole.
[0055] The second inner lining part 12 further includes a first relief through groove 13 and a second relief through groove 14 in the same through direction as the main through groove. The first relief through groove 13 is adjacent to the main through groove and communicates with the main through groove. There are at least two first relief through grooves 13, and at least two first relief through grooves 13 are arranged oppositely, that is, corresponding to a set of opposite side lengths of the square. The second relief through groove 14 is arranged on the outer side wall of the second inner lining part 12. By adopting the above method, it is convenient for fingers to reach in and grab the loaded object when the loaded object is inside the corrugated inner lining body, and a structure for extracting the inner lining body can also be formed. Among them, the shape of the first relief through groove is strip-shaped, and the shape of the second relief through groove is semi-circular. The first relief through groove 13 and the second relief through groove 14 jointly form a handle part 15. When the corrugated inner lining body is placed in the packaging box, the corrugated inner lining body can be conveniently extracted from the packaging box through the handle part. The side wall thicknesses around the second inner lining part are equal, and the compressive strength around it can reach the same when the loaded object is placed, which can better protect the loaded object.
[0056] Please refer to Figures 1 to 3 , Embodiment 2 of the present invention is:
[0057] A packaging box provided by the present invention includes an outer box body and the corrugated inner lining body as described above, and the corrugated inner lining body is placed inside the outer box body.
[0058] In summary, a corrugated inner liner provided by the present utility model forms a corrugated inner liner through the laminated arrangement of a first inner liner part and a second inner liner part. A groove is provided in the first inner liner part and a main through groove is provided in the second inner liner part. The main through groove communicates with the groove and jointly forms a space for accommodating the loaded object. Among them, the first inner liner part and the second inner liner part respectively comprise at least one layer of corrugated paperboard. The corrugated inner liner has high vertical and side compressive strengths, and the buffering of multiple layers of corrugated paperboard enables its vibration reduction to reach the effects of EVA and EPE. At the same time, the material of the corrugated inner liner is paper, which is a very good environmental protection material. The raw materials are sufficient, can be reused repeatedly, are easily degradable, and contain no harmful substances, making it easy to process. The present utility model also provides a packing box, which applies the corrugated inner liner to the outer box body to improve the compressive strength of the packing box.
[0059] The above are only the embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any equivalent transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in the relevant technical field, shall be similarly included in the patent protection scope of the present utility model.
Claims
1. A corrugated lining body, characterized in that: include: A first lining portion, wherein the first lining portion is provided with a groove; and a second lining portion, the second lining portion being stacked with the first lining portion, the second lining portion being provided with a main through groove, the main through groove being communicated with the groove and forming a space for accommodating the load; Wherein, the first lining part and the second lining part respectively include at least one layer of corrugated cardboard.
2. The corrugated liner according to claim 1, characterized in that: The first lining part and the second lining part are both made of multiple layers of corrugated cardboard stacked together.
3. The corrugated liner according to claim 1, characterized in that: The first lining portion and the second lining portion are connected to each other to form an integral structure.
4. The corrugated liner according to claim 1, characterized in that: The second lining portion further includes a first through-hole with the same through-direction as that of the main through-hole. The first through-hole is adjacent to the main through-hole and communicates with the main through-hole.
5. The corrugated liner according to claim 4, characterized in that: There are at least two first through-holes for making way, and the at least two first through-holes for making way are arranged opposite to each other.
6. The corrugated liner according to claim 5, characterized in that: The first through groove is in the shape of a strip.
7. The corrugated liner according to claim 1, characterized in that: The second lining portion further includes a second clearance groove having the same penetration direction as the main through groove, and the second clearance groove is arranged on the outer side wall of the second lining portion.
8. The corrugated liner according to claim 1, characterized in that: The central axis of the inner space of the groove is coaxial with the central axis of the inner space of the main through groove.
9. The corrugated liner according to claim 1, characterized in that: The side walls of the second lining portion have the same thickness around them.
10. A packaging box, characterized in that: It comprises an outer box body and the corrugated lining body according to any one of claims 1 to 9, wherein the corrugated lining body is placed in the outer box body.