CN215708013U

CN215708013U - Lining plate with buffering effect and packaging box

Info

Publication number: CN215708013U
Application number: CN202120944192.7U
Authority: CN
Inventors: 万继光
Original assignee: Nine Dragon Intelligent Packaging Dongguan Co ltd
Current assignee: Nine Dragon Intelligent Packaging Dongguan Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-02-01
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to the technical field of packing boxes, in particular to a lining plate with a buffering effect and a packing box, wherein the lining plate comprises a bottom paper layer, a first adhesive layer, a first buffer layer, a second adhesive layer, a second buffer layer, a foam layer, a third adhesive layer, a supporting layer and an upper paper layer which are sequentially pressed from bottom to top, a plurality of uniformly distributed cylindrical cavities are longitudinally arranged in the first buffer layer, elastic pieces are arranged in the cylindrical cavities, and edge sealing strips are arranged on two sides of the lining plate. The first buffer layer and the second buffer layer arranged on the lining plate can improve the compression resistance and the strength of the high lining plate, the foam layer has good buffer property for external extrusion, the cylindrical cavity is arranged in the first buffer layer, the elastic piece is arranged in the cylindrical cavity, the expansion performance of the elastic piece when the elastic piece is stressed can be better utilized, the buffer property and the shock absorption effect of the lining plate are improved, and the lining plate has good resetting property.

Description

Lining plate with buffering effect and packaging box

Technical Field

The utility model relates to the technical field of packaging boxes, in particular to a lining plate with a buffering effect and a packaging box.

Background

The packing box liner is a plate-like object formed by bonding a liner paper and corrugated paper formed by processing a corrugated roll. Has the advantages of low cost, light weight, easy processing, high strength, convenient storage and transportation, etc. However, the existing liner plate is single, does not have corrugated paper, and the liner plate is of a plane structure, so that the liner plate has the defect of poor buffering effect, and the carton utilizing the liner plate also has the defect of poor buffering effect, so that the requirements of some contained articles cannot be met.

Disclosure of Invention

In order to overcome the defects and shortcomings in the prior art, the utility model aims to provide the lining plate with the buffering function, the first buffering layer and the second buffering layer arranged on the lining plate can improve the compression-resistant buffering performance of the high lining plate and also improve the strength, the arranged foam layer has good buffering performance on the extrusion of the outside, and the foam layer can be matched with the first buffering layer and the second buffering layer to further improve the compression-resistant buffering performance of the lining plate; set up the cylindricality cavity and set up the elastic component in the cylindricality cavity in first buffer layer, the flexible performance when utilizing the elastic component atress that can be better has not only promoted welt cushioning nature and cushioning effect, and it still makes the welt have fine restoreing nature, can be fine avoid in the past the welt by long-time compression after unable the recovery, influence used repeatedly's problem.

Another object of the present invention is to provide a packing box, wherein the lining board with buffering function is disposed in the packing box, so as to further improve the bearing, buffering and damping effects of the packing box, so that the packing box can be used for a long time, and the integrity of the packed articles is ensured.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a welt with cushioning effect, includes bottom paper layer, first adhesive layer, first buffer layer, second adhesive layer, second buffer layer, foam blanket, third adhesive layer, supporting layer and the last paper layer of pressfitting in proper order from bottom to top, vertically be equipped with a plurality of evenly distributed's cylindricality cavity in the first buffer layer, the cylindricality cavity all is equipped with the elastic component, the upper end at the cylindricality cavity is fixed to the upper end of elastic component, the lower extreme at the cylindricality cavity is fixed to the lower extreme of elastic component, and the peripheral edge of welt still is equipped with the banding strip.

Furthermore, the supporting layer comprises a plurality of first cavities which are arranged in a downward concave mode and a plurality of second cavities which are arranged in an upward convex mode, and the first cavities and the second cavities which are adjacent to each other are arranged at intervals.

Furthermore, the longitudinal sections of the first cavity and the second cavity are trapezoidal, semicircular or regular polygonal.

Furthermore, a third cavity is arranged in the second buffer layer, and the cross section of the third cavity is corrugated.

Further, the lower surface of the bottom paper layer is coated with a PET waterproof breathable layer.

Further, the first buffer layer and the second buffer layer are both made of polyurethane elastomer materials.

Further, the first adhesive layer, the second adhesive layer and the third adhesive layer are all polyurethane adhesive layers.

Further, the thickness of the first buffer layer is 2.0-4.0 mm.

Further, the thickness ratio of the first buffer layer, the second buffer layer, the foam layer and the support layer is 0.3-0.6:0.4-0.6:0.1-0.3: 0.2-0.4.

The utility model also provides a packing box, and the lining plate with the buffering function is arranged at the bottom of the packing box.

The utility model has the beneficial effects that: the first buffer layer and the second buffer layer arranged on the lining plate can improve the compression resistance and the buffering performance of the high lining plate and also improve the strength, and the arranged foam layer has good buffering performance on the extrusion of the outside and can be matched with the first buffer layer and the second buffer layer to further improve the compression resistance and the buffering performance of the lining plate; set up the cylindricality cavity and set up the elastic component in the cylindricality cavity in first buffer layer, the flexible performance when utilizing the elastic component atress that can be better has not only promoted welt cushioning nature and cushioning effect, and it still makes the welt have fine restoreing nature, can be fine avoid in the past the welt by long-time compression after unable the recovery, influence used repeatedly's problem. The packing box provided with the lining plate with the buffering function can further improve the bearing, buffering and damping effects of the packing box, so that the packing box can be used for a long time, and the integrity of a packed object is ensured.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

fig. 2 is a schematic view of the structure of the supporting layer of the present invention.

The reference signs are: the waterproof and breathable PET film comprises a 1-PET waterproof breathable layer, a 2-base paper layer, a 3-first adhesive layer, a 4-first buffer layer, a 41-cylindrical cavity, a 42-elastic piece, a 5-second adhesive layer, a 6-second buffer layer, a 61-third cavity, a 7-foam layer, an 8-third adhesive layer, a 9-supporting layer, a 91-first cavity, a 92-second cavity, a 10-upper paper layer and an 11-edge sealing strip.

Detailed Description

For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and accompanying fig. 1-2, which are not intended to limit the present invention.

Referring to fig. 1-2, a lining board with a buffering effect comprises a base paper layer 2, a first adhesive layer 3, a first buffer layer 4, a second adhesive layer 5, a second buffer layer 6, a foam layer 7, a third adhesive layer 8, a supporting layer 9 and an upper paper layer 10 which are sequentially laminated from bottom to top, wherein a plurality of uniformly distributed cylindrical cavities 41 are longitudinally arranged in the first buffer layer 4, elastic pieces 42 are arranged in the cylindrical cavities 41, the upper ends of the elastic pieces 42 are fixed at the upper ends of the cylindrical cavities 41, the lower ends of the elastic pieces 42 are fixed at the lower ends of the cylindrical cavities 41, and edge sealing strips 11 are further arranged on the peripheral edge of the lining board. The lower surface of the base paper layer 2 is also coated with a PET waterproof breathable layer 1. The elastic member 42 is preferably a spring member.

In the embodiment, the first buffer layer 4 and the second buffer layer 6 arranged on the lining plate can not only improve the compression resistance and the buffering performance of the high lining plate, but also improve the strength, and the foam layer 7 has good buffering performance on the external extrusion, and can be matched with the first buffer layer 4 and the second buffer layer 6 to further improve the compression resistance and the buffering performance of the lining plate; the cylindrical cavity 41 is arranged in the first buffer layer 4, the elastic piece 42 is arranged in the cylindrical cavity 41, the telescopic performance of the elastic piece 42 under stress can be better utilized, the buffering performance and the damping effect of the lining plate are improved, the lining plate has good resetting performance, and the problem that the previous lining plate cannot be recovered after being compressed for a long time to influence repeated use can be well solved; the edge sealing strips 11 are arranged on the peripheral edge of the lining plate, so that the bonding performance between layers can be further improved, and the integrity of the lining plate with the buffering function is ensured; and the waterproof ventilative layer 1 of PET of the lower surface coating of ground paper layer 2 can be fine isolated external vapor, avoids spreading the problem that the inside mould becomes soft of welt of steam in humid environment, even use for a long time, can not take place the condition of growing mould yet.

In this embodiment, the supporting layer 9 includes a plurality of first cavities 91 recessed downward and a plurality of second cavities 92 protruding upward, and two adjacent first cavities 91 and second cavities 92 are disposed at an interval. The longitudinal sections of the first cavity 91 and the second cavity 92 are trapezoidal, semicircular or regular polygonal.

In this embodiment, the first cavity 91 and the second cavity 92 that the supporting layer 9 set up at an interval are structured for the structural strength of the liner board is further improved, and the longitudinal sections of the first cavity 91 and the second cavity 92 are controlled to be trapezoidal, semicircular or regular polygon, so that the compressive strength of the liner board can be improved by using the mechanical properties of the above structures under pressure.

In this embodiment, a third cavity 61 is disposed in the second buffer layer 6, and a cross section of the third cavity 61 is corrugated.

Third cavity 61 that establishes in second buffer layer 6 in this embodiment adopts above-mentioned structure can be with the atress homodisperse, can strengthen the structural strength and the stability of welt, can effectually avoid the welt to receive the influence of external force factor to take place to buckle the problem that is difficult to reset, can also bear great plane pressure simultaneously, improves and utilizes its quality that makes carton or packing carton, makes the life of carton or packing carton very prolong.

In this embodiment, the first buffer layer 4 and the second buffer layer 6 are both made of polyurethane elastomer material. The first adhesive layer 3, the second adhesive layer 5 and the third adhesive layer 8 are all polyurethane adhesive layers. The polyurethane elastomer material adopts a polyurethane elastomer in the prior art, and is only applied here; the polyurethane adhesive used in the polyurethane adhesive layer is the polyurethane adhesive in the prior art, and is only applied here.

The polyurethane elastomer materials of the first buffer layer 4 and the second buffer layer 6 in the embodiment have good elasticity and buffering performance, the buffering performance and the resilience of the lining plate can be improved, and the polyurethane adhesives of the first adhesive layer 3, the second adhesive layer 5 and the third adhesive layer 8 have good bonding performance, so that the bonding strength among all the layers can be effectively improved, and the problem of delamination in long-term use is avoided.

In this embodiment, the thickness of the first buffer layer 4 is 2.0-4.0 mm. The thickness ratio of the first buffer layer 4, the second buffer layer 6, the foam layer 7 and the support layer 9 is 0.3-0.6:0.4-0.6:0.1-0.3: 0.2-0.4.

The thickness ratio reasonable in design of each layer of welt that has the cushioning effect in this embodiment has not only guaranteed the bearing, buffering and the shock attenuation effect of the welt that has the cushioning effect for this packing carton can use for a long time, has guaranteed the integrality by packing article.

The bottom of the packing box is provided with the lining plate with the buffering function.

Set up the above-mentioned welt that has cushioning effect in this packing carton, can further promote the bearing of packing carton, buffering and shock attenuation effect for this packing carton can use for a long time, has guaranteed the integrality of being packed article.

The above-described embodiments are preferred implementations of the present invention, and the present invention may be implemented in other ways without departing from the spirit of the present invention.

Claims

1. A lining board with a buffering effect is characterized in that: including bottom paper layer, first adhesive layer, first buffer layer, second adhesive layer, second buffer layer, foam blanket, third adhesive layer, supporting layer and the last paper layer of pressfitting in proper order from bottom to top, vertically be equipped with a plurality of evenly distributed's cylindricality cavity in the first buffer layer, the cylindricality cavity all is equipped with the elastic component, the upper end at the cylindricality cavity is fixed to the upper end of elastic component, the lower extreme at the cylindricality cavity is fixed to the lower extreme of elastic component, and the neighboring of welt still is equipped with the banding strip.

2. A cushioned liner as set forth in claim 1, wherein: the supporting layer comprises a plurality of first cavities which are arranged in a downward concave mode and a plurality of second cavities which are arranged in an upward convex mode, and the first cavities and the second cavities which are adjacent to each other are arranged at intervals.

3. A cushioned liner as set forth in claim 2, wherein: the longitudinal sections of the first cavity and the second cavity are trapezoidal, semicircular or regular polygon.

4. A cushioned liner as set forth in claim 1, wherein: and a third cavity is arranged in the second buffer layer, and the cross section of the third cavity is corrugated.

5. A cushioned liner as set forth in claim 1, wherein: the lower surface of the bottom paper layer is also coated with a PET waterproof breathable layer.

6. A cushioned liner as set forth in claim 1, wherein: the first buffer layer and the second buffer layer are both made of polyurethane elastomer materials.

7. A cushioned liner as set forth in claim 1, wherein: the first adhesive layer, the second adhesive layer and the third adhesive layer are all polyurethane adhesive layers.

8. A cushioned liner as set forth in claim 1, wherein: the thickness of the first buffer layer is 2.0-4.0 mm.

9. A cushioned liner as set forth in claim 1, wherein: the thickness ratio of the first buffer layer, the second buffer layer, the foam layer and the support layer is 0.3-0.6:0.4-0.6:0.1-0.3: 0.2-0.4.

10. A packing carton which characterized in that: the bottom of the package is provided with a cushioning lining sheet according to any one of claims 1 to 9.