Carton buffering lining

Abstract

The utility model belongs to the technical field of cartons, and discloses a carton buffering lining which comprises a lining body formed by folding a one-piece paperboard along an indentation line, the lining body comprises a bottom plate, a left supporting piece, a right supporting piece, a front supporting piece and a rear supporting piece, and the left supporting piece, the right supporting piece, the front supporting piece and the rear supporting piece are fixedly arranged on the periphery of the bottom plate after being folded. The left supporting piece, the right supporting piece, the front supporting piece and the rear supporting piece are each of a double-layer jacket structure. The carton is good in supporting performance and pressure bearing performance, high in extrusion resistance and capable of protecting products in the carton in an all-around mode.

Description

Technical Field

[0001] The utility model relates to the technical field of cartons and relates to a buffer lining, in particular to a buffer lining of a carton. Background Art

[0002] When packing liquid products, in order to prevent damage to the liquid products due to external squeezing during transportation, a liner is placed in the carton before packing to buffer the external pressure. For example, when packing boxed milk, the carton is filled with a liner to protect the boxed milk from being squeezed and deformed during transportation. In the prior art, the liner is formed by folding a long piece of cardboard. The middle of the liner is a cavity for placing the liquid product. The two ends are folded to form the liner. The two ends of the liner are attached to the two sides of the carton to protect the product in the carton. However, this one-piece structure can only be folded into a liner structure with protective functions at both ends. The protection of the product is limited to two opposite surfaces, and the product cannot be fully protected on all sides. There is still a possibility that the product shell will be squeezed and deformed. Utility Model Content

[0003] In order to solve the above deficiencies in the prior art, the present invention aims to provide a carton buffer liner to achieve the purpose of all-round protection of the paper boxes in the carton.

[0004] In order to achieve the above purpose, the technical solutions adopted by the present utility model are as follows:

[0005] A carton buffer lining comprises a lining body formed by folding a piece of cardboard along an indentation line. The lining body comprises a bottom plate and a left support member, a right support member, a front support member and a rear support member which are respectively fixed around the bottom plate after being folded. The left support member, the right support member, the front support member and the rear support member are all double-layer jacket structures.

[0006] As a limitation of the present invention, the left support member is formed by folding a left outer plate, a left top plate and a left inner plate which are fixed on one side of the bottom plate and are arranged in sequence as a whole through an indentation line; the right support member is formed by folding a right outer plate, a right top plate and a right inner plate which are fixed on the opposite side of the bottom plate and are arranged in sequence as a whole through an indentation line; the front support member and the rear support member are arranged on both sides of the bottom plate relatively.

[0007] As a further limitation of the present invention, a gap is provided between the left outer plate and the left top plate, and a gap is also provided between the right outer plate and the right top plate.

[0008] As a further limitation of the present invention, both the left inner panel and the right inner panel are integrally provided with an adhesive plate for connecting with the bottom panel through an indentation line.

[0009] As another limitation of the present invention, the front support member is formed by folding the front outer panel, the front top panel and the front inner panel which are sequentially integrated through the indentation line, and the rear support member is formed by folding the rear outer panel, the rear top panel and the rear inner panel which are sequentially integrated through the indentation line, and the front outer panel and the rear outer panel are respectively integrated on both sides of the left outer panel or the right outer panel through the indentation line.

[0010] As a limitation of the present invention, the front inner panel and the rear inner panel are both fixedly connected to the left inner panel or the right inner panel via convex strips.

[0011] As the third limitation of the present utility model, the front support member is formed by folding the front outer panel, the front top panel and the front inner panel which are sequentially integrated through the indentation line, and the rear support member is formed by folding the rear outer panel, the rear top panel and the rear inner panel which are sequentially integrated through the indentation line, the front outer panel and the left outer panel are integrated through the indentation line, the rear outer panel and the right outer panel are integrated through the indentation line, and the front outer panel and the rear outer panel are respectively located on both sides of the bottom plate.

[0012] As the fourth limitation of the present invention, the front support member and the rear support member are both separately arranged, and the two front support members are folded from the front outer panel, the front top panel and the front inner panel that are sequentially arranged as an integral whole through the indentation lines, and the two rear support members are folded from the rear outer panel, the rear top panel and the rear inner panel that are sequentially arranged as an integral whole through the indentation lines, the two front outer panels are respectively integrated with the same side of the left outer panel and the right outer panel, and the two rear outer panels are respectively integrated with the other side of the left outer panel and the right outer panel.

[0013] As a limitation of the present invention, the front outer panel, the rear outer panel, the front inner panel and the rear inner panel are all integrally provided with fixing plates via indentation lines.

[0014] As a further limitation of the present invention, the one-piece paperboard folded into the lining body is corrugated paper.

[0015] Due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art:

[0016] (1) The utility model is formed by folding a single piece of cardboard. The single piece structure can be directly cut and formed, which is convenient for production. By folding to form a U-shaped structure, the product can be fully protected in four positions: front, back, left, and right. This greatly improves the supporting performance and pressure-bearing performance of the carton. It can also reduce the external impact force from the four directions of front, back, left, and right, reduce the extrusion caused by the harsh transportation environment such as ordinary offline logistics turnover and e-commerce express delivery, prevent the outer shell of the beverage from being deformed, and provide better protection.

[0017] (2) The two notches on the left and right support members of the utility model are convenient for holding, and it is more convenient to put your hands in the two notches when putting the lining body into the carton;

[0018] (3) The setting of the adhesive plate and the fixing plate of the utility model facilitates gluing the lining body after folding and forming, thereby increasing the bonding area and enabling the lining body to form a firm structure, making it convenient to place the lining body in the carton;

[0019] (4) The material of the corrugated paper of the utility model can further improve the cushioning effect, enhance protection and save production costs.

[0020] In summary, the utility model has good supporting performance and pressure-bearing performance, strong anti-extrusion ability, can fully protect the products in the carton, and is suitable for placing in the carton to protect products that are easy to deform. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the lining body of Example 1 of the present utility model;

[0023] Figure 2 This is a schematic diagram of the unfolded structure of a single piece of cardboard folded into an inner lining body in Example 1 of the utility model;

[0024] Figure 3 This is a schematic diagram of the sequential structure of folding a piece of cardboard into an inner lining body according to Example 1 of the present utility model;

[0025] Figure 4 This is a schematic diagram of the unfolded structure of a single piece of cardboard folded into an inner lining body according to Example 2 of the present utility model;

[0026] Figure 5 This is a schematic diagram of the sequential structure of folding a piece of cardboard into an inner lining body according to Example 2 of the present utility model;

[0027] Figure 6 This is a schematic diagram of the unfolded structure of a single piece of cardboard folded into an inner lining body in Example 3 of the present utility model;

[0028] Figure 7 This is a schematic diagram of the sequential structure of folding a piece of cardboard into an inner lining body in Example 3 of the present utility model.

[0029] In the figure: 1. bottom plate; 2. left support member; 21. left outer plate; 22. left top plate; 23. left inner plate; 3. right support member; 31. right outer plate; 32. right top plate; 33. right inner plate; 4. front support member; 41. front outer plate; 42. front top plate; 43. front inner plate; 5. rear support member; 51. rear outer plate; 52. rear top plate; 53. rear inner plate; 6. notch; 7. adhesive plate; 8. ridge; 9. fixing plate. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and understand the present invention and are not intended to limit the present invention.

[0031] Example 1 A carton cushioning lining

[0032] like Figure 1 As shown, this embodiment includes a lining body for placement within a carton. The lining body is formed from a single piece of corrugated cardboard folded along indentation lines. The lining body comprises a base plate 1 and left, right, front, and rear supports 2, 3, 4, and 5, which are folded and vertically fixed to the periphery of the base plate 1. The left, right, front, and rear supports 5 each have a double-layered jacket structure. The double-layered jacket structure, viewed from above, is shaped like a "U" (Chinese character for "U"), forming a hollow structure around the periphery to act as a buffer. This embodiment protects boxed milk within a carton. During use, the left, right, front, and rear supports 2, 3, 4, and 5 are placed against the left, right, and front inner walls of the carton, respectively. The milk is placed within the cavity formed between the left, right, front, and rear supports 5. When the carton is squeezed, the left, right, front, and rear supports 5 act as a buffer.

[0033] like Figure 2As shown (the dotted line in the figure is the indentation line), a left outer panel 21, a left top panel 22 and a left inner panel 23 are provided on one side of the bottom panel 1, and a right outer panel 31, a right top panel 32 and a right inner panel 33 are provided on the other side opposite to the bottom panel 1, that is, from left to right, they are the left inner panel 23, the left top panel 22, the left outer panel 21, the bottom panel 1, the right outer panel 31, the right top panel 32 and the right inner panel 33, and they are integrally arranged with each other through the indentation line. At the same time, the left inner panel 23, the left outer panel 21, the right outer panel 31 and the right inner panel 33 have the same height after folding. The left inner panel 23, the left top panel 22, and the left outer panel 21 are folded 90° along the indentation line in sequence to form the left support member 2. The left outer panel 21 of the left support member 2 is perpendicular to the bottom panel 1, the left top panel 22 is parallel to the bottom panel 1, and the left inner panel 23 is perpendicular to the bottom panel 1. The left outer panel 21 and the left inner panel 23 are arranged opposite each other, and a hollow jacket structure is formed between the left outer panel 21 and the left inner panel 23. The right inner panel 33, the right top panel 32, and the right outer panel 31 are folded 90° along the indentation line in sequence to form the right support member 3. The right outer panel 31 of the right support member 3 is perpendicular to the bottom panel 1, the right top panel 32 is parallel to the bottom panel 1, and the right inner panel 33 is perpendicular to the bottom panel 1. The right outer panel 31 and the right inner panel 33 are arranged opposite each other, and a hollow jacket structure is formed between the right outer panel 31 and the right inner panel 33.

[0034] An adhesive plate 7 is integrally provided along the left edge of the left inner panel 23, along the indentation line. An adhesive plate 7 is integrally provided along the right edge of the right inner panel 33, along the indentation line. When folding, the two adhesive plates 7 are folded 90° along the indentation line. After folding to form the left support member 2 and the right support member 3, the two adhesive plates 7 fall on either side of the bottom panel 1. The adhesive plates 7 are firmly bonded to the bottom panel 1 with glue, securing the left and right support members 2 and 3. A notch 6 is provided between the left outer panel 21 and the left top panel 22. When folded, this notch 6 is located above the left support member 2. A notch 6 is also provided between the right outer panel 31 and the right top panel 32. When folded, this notch 6 is located above the right support member 3. The two notches 6 are positioned opposite each other for easy handling.

[0035] The ends of the left outer panel 21 are connected to the front support member 4 and the rear support member 5, respectively, or the ends of the right outer panel 31 are connected to the front support member 4 and the rear support member 5, respectively. This embodiment adopts the second structure, in which the ends of the right outer panel 31 are connected to the front support member 4 and the rear support member 5. One end of the right outer panel 31 is provided with a front outer panel 41, a front top panel 42, and a front inner panel 43, and the other end of the right outer panel 31 is provided with a rear outer panel 51, a rear top panel 52, and a rear inner panel 53, and the two are integrally arranged with an indentation line between them. The front outer panel 41, the front top panel 42, and the front inner panel 43 are sequentially folded 90° along the indentation line to form the front support member 4. The front outer panel 41 of the front support member 4 is perpendicular to the bottom panel 1, the front top panel 42 is parallel to the bottom panel 1, and the front inner panel 43 is perpendicular to the bottom panel 1. The front outer panel 41 and the front inner panel 43 are arranged opposite each other, and a hollow jacket structure is formed between the front outer panel 41 and the front inner panel 43. The rear outer panel 51, the rear top panel 52, and the rear inner panel 53 are sequentially folded 90° along the indentation line to form the rear support member 5. The rear outer panel 51 of the rear support member 5 is perpendicular to the bottom panel 1, the rear top panel 52 is parallel to the bottom panel 1, and the rear inner panel 53 is perpendicular to the bottom panel 1. The rear outer panel 51 and the rear inner panel 53 are arranged opposite each other, and a hollow jacket structure is formed between the rear outer panel 51 and the rear inner panel 53. The length of the right outer plate 31 is greater than that of the left outer plate 21 , and is used to accommodate the hollow jacket gaps formed between the front outer plate 41 and the front inner plate 43 and between the rear outer plate 51 and the rear inner plate 53 .

[0036] The front inner panel 43 and the rear inner panel 53 are both fixedly connected to the right inner panel 33 via ridges 8. When folded, they enable the right support 3, front support 4, and rear support 5 to fold in unison. A counter-pressure line (dashed line) is provided in the middle of the ridges 8, further facilitating folding. Fixing plates 9 are integrally formed along the left edge of the front outer panel 41, the left edge of the rear outer panel 51, and the right edge of the front inner panel 43 and the right edge of the rear inner panel 53, along with indentations. After folding, the four fixing plates 9 are bonded to the base panel 1, enhancing the lining's overall stability.

[0037] When using this embodiment, a whole piece of cardboard is cut into Figure 2 The shape shown and Figure 2 The dotted line position forms an indentation line, and then manually follows the indentation line according to Figure 3 Fold the lining into a U-shape in the order shown.

[0038] Example 2: A carton cushioning lining

[0039] The structure of this embodiment is basically the same as that of embodiment 1, except for the position of the front outer plate 41. In this embodiment, the front outer plate 41 is connected to the left outer plate 21, and no protruding strip 8 is provided in this embodiment.

[0040] like Figure 4 As shown (the dotted line in the figure is the indentation line), the front outer panel 41 and the rear outer panel 51 of this embodiment are respectively located on both sides of the bottom plate 1, the front outer panel 41 is integrally connected to the left outer panel 21 through the indentation line, and the rear outer panel 51 is integrally connected to the right outer panel 31 through the indentation line, and the front top panel 42 and the front inner panel 43 integrally connected to the front outer panel 41 extend to the left, and the rear top panel 52 and the rear inner panel 53 integrally connected to the rear outer panel 51 extend to the right, so that the structure formed by the front outer panel 41, the front top panel 42 and the front inner panel 43 and the structure formed by the rear outer panel 51, the rear top panel 52 and the rear inner panel 53 are symmetrical when rotated 180° about the center of the bottom plate 1.

[0041] When using this embodiment, a whole piece of cardboard is cut into Figure 4 The shape shown and Figure 4 The dotted line position forms an indentation line, and then manually follows the indentation line according to Figure 5 The structure of this embodiment is convenient for carton factory production, die cutting and forming.

[0042] Example 3: A carton cushioning lining

[0043] The structure of this embodiment is substantially the same as that of embodiment 1, except for the locations of the front outer panel 41, front top panel 42, front inner panel 43, rear outer panel 51, rear top panel 52, and rear inner panel 53, and the fact that this embodiment does not include the ridges 8. In this embodiment, the front support member 4 and the rear support member 5 are each provided as two separate components, which are joined to form a complete front support member 4 and rear support member 5.

[0044] like Figure 6 As shown (the dotted lines in the figure indicate indentation lines), in this embodiment, the front outer panel 41, front top panel 42, front inner panel 43, and rear outer panel 51, rear top panel 52, and rear inner panel 53 of Example 1 are symmetrically arranged in two groups along the central axis of the width of the base panel 1. The two front outer panels 41 are respectively integrally arranged with one side of the left outer panel 21 and the right outer panel 31, and the two rear outer panels 51 are respectively integrally arranged with the other side opposite the left outer panel 21 and the right outer panel 31. Because the two front support members 4 and the two rear support members 5 are spliced ​​into a complete structure, the width of the front outer panel 41, front top panel 42, front inner panel 43, and the rear outer panel 51, rear top panel 52, and rear inner panel 53 in this embodiment are all half that of Example 1.

[0045] When using this embodiment, a whole piece of cardboard is cut into Figure 6 The shape shown and Figure 6 The dotted line position forms an indentation line, and then manually follows the indentation line Figure 7The structure of this embodiment can reduce the used area of ​​the cardboard by 23%, thus optimizing the material cost.

[0046] It should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still modify the technical solutions described in the above embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A carton cushion lining, characterized by: The lining body is formed by folding a piece of cardboard along the indentation line. The lining body includes a bottom plate and left support members, right support members, front support members and rear support members fixed around the bottom plate after folding. The left support member, right support member, front support member and rear support member are all double-layer jacket structures. The left support member is formed by folding a left outer plate, a left top plate, and a left inner plate fixed to one side of the bottom plate and integrally arranged in sequence through an indentation line; the right support member is formed by folding a right outer plate, a right top plate, and a right inner plate fixed to the opposite side of the bottom plate and integrally arranged in sequence through an indentation line; the front support member and the rear support member are arranged on opposite sides of the bottom plate; The left inner panel and the right inner panel are both integrally provided with an adhesive plate for connecting with the bottom panel via an indentation line.

2. The carton cushioning liner according to claim 1, characterized in that: A gap is provided between the left outer plate and the left top plate, and a gap is also provided between the right outer plate and the right top plate.

3. The carton cushioning liner according to claim 2, characterized in that: The front support member is formed by folding the front outer panel, the front top panel and the front inner panel which are sequentially integrated through the indentation line; the rear support member is formed by folding the rear outer panel, the rear top panel and the rear inner panel which are sequentially integrated through the indentation line; the front outer panel and the rear outer panel are respectively integrated on both sides of the left outer panel or the right outer panel through the indentation line.

4. The carton cushioning liner according to claim 3, characterized in that: The front inner panel and the rear inner panel are both fixedly connected to the left inner panel or the right inner panel via convex strips.

5. The carton cushioning liner according to claim 2, characterized in that: The front support member is formed by folding a front outer panel, a front top panel and a front inner panel which are sequentially integrated through an indentation line; the rear support member is formed by folding a rear outer panel, a rear top panel and a rear inner panel which are sequentially integrated through an indentation line; the front outer panel and the left outer panel are integrated through an indentation line; the rear outer panel and the right outer panel are integrated through an indentation line; and the front outer panel and the rear outer panel are respectively located on both sides of the bottom panel.

6. The carton cushioning liner according to claim 2, characterized in that: The front support member and the rear support member are both separately arranged. The two front support members are folded together by a front outer panel, a front top panel and a front inner panel which are sequentially integrated through indentation lines. The two rear support members are folded together by a rear outer panel, a rear top panel and a rear inner panel which are sequentially integrated through indentation lines. The two front outer panels are respectively integrated with the same side of the left outer panel and the right outer panel, and the two rear outer panels are respectively integrated with the other side of the left outer panel and the right outer panel.

7. A carton cushioning liner according to any one of claims 3 to 5, characterized in that: The front outer side plate, the rear outer side plate, the front inner side plate and the rear inner side plate are all integrally provided with fixing plates via indentation lines.

8. The carton cushioning liner according to claim 7, characterized in that: The one-piece cardboard folded into the lining body is corrugated paper.

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