CN213567318U

CN213567318U - Heat preservation carton

Info

Publication number: CN213567318U
Application number: CN202022070324.6U
Authority: CN
Inventors: 罗宏星
Original assignee: Dongguan Star Packaging Material Co ltd
Current assignee: Dongguan Star Packaging Material Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-06-29
Anticipated expiration: 2030-09-18

Abstract

The utility model belongs to the technical field of the carton, especially, relate to a thermal insulation carton, including a box and a insulated bag. The box body is formed by folding the insulation board, a cavity is formed in the box body, and the cavity is provided with a box opening; the insulation board comprises a foaming plastic layer, two middle layers and at least one metal material layer; the two middle layers are adhered to two sides of the foamed plastic layer, and at least one metal material layer is compounded on the outer side of one middle layer. The heat-insulating board has the characteristics of good heat-insulating effect, high strength, water resistance, reusability and the like. The outer surface of the thermal insulation bag is bonded with the inner wall surface of the cavity; the heat preservation bag is provided with a bag opening, the bag opening faces the box opening, an opening and closing structure is arranged on the bag opening, and the opening and closing structure opens or closes the bag opening. This insulation carton is through increasing the insulated bag, and during the use, article are put into the insulated bag, and the insulated bag plays the separation effect, prevents that liquid from oozing from the concatenation seam of box, and in addition, the insulated bag still plays the effect of heat preservation moisturizing.

Description

Heat preservation carton

Technical Field

The utility model belongs to the technical field of the carton, especially, relate to a heat preservation carton.

Background

Traditional heat preservation carton is formed by the cardboard concatenation, and this kind of carton must have the concatenation seam, and during the use, this concatenation seam must lead to the heat preservation effect of carton not good, and the humidity of incasement also can't remain stable. When storing wet goods, the water of the product may flow out along the splicing seams, causing contamination.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal insulation carton aims at solving the thermal insulation carton among the prior art and has the concatenation seam, technical problem that the heat preservation effect is not good.

In order to achieve the above object, an embodiment of the present invention provides a thermal insulation carton, including:

the box body is formed by folding the insulation board, a cavity is formed in the box body, and the cavity is provided with a box opening; the heat-insulation plate comprises a foamed plastic layer, two middle layers and at least one metal material layer; the two middle layers are adhered to two sides of the foamed plastic layer, and at least one metal material layer is compounded on the outer side of one middle layer; and

the outer surface of the heat-insulating bag is bonded with the inner wall surface of the cavity; the heat-preserving bag is provided with a bag opening, the bag opening faces the box opening, an opening and closing structure is arranged on the bag opening, and the opening and closing structure is opened or closed.

Optionally, the opening and closing structure includes a plurality of pin buttons and a plurality of box buttons, the pin button is located an inboard of sack, the box button is located another inboard of sack.

Optionally, the opening and closing structure is a zipper, the zipper has two zipper teeth, and the two zipper teeth are respectively disposed on two side edges of the bag opening.

Optionally, the thermal insulation bag is adhered to the inner wall surface of the cavity through a magic tape or an adhesive layer.

Optionally, the intermediate layer is an extruded sheet layer or a paper layer.

Optionally, the material of the extruded sheet layer is selected from any one of polystyrene, polylactic acid, polypropylene, polyvinyl chloride or polyethylene terephthalate.

Optionally, the metal material layer is an aluminum layer.

Optionally, the material of the foamed plastic layer is selected from any one of polystyrene, polylactic acid, polypropylene, polyvinyl chloride, and polyethylene terephthalate.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the thermal insulation carton have one of following technological effect at least:

1. according to the heat preservation carton, the heat preservation bag is additionally arranged, when the heat preservation carton is used, articles are placed in the heat preservation bag, the heat preservation bag plays a role in blocking and preventing liquid from seeping out of the splicing seams of the carton body, in addition, the heat preservation bag also plays a role in heat preservation and moisture preservation, and the external temperature and humidity are prevented from influencing the environment in the carton body through the splicing seams;

2. the insulation board of the insulation paper box has the characteristics of good insulation effect, high strength, water resistance, reusability and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an insulation carton provided in embodiment 1 of the present invention.

Fig. 2 is a cross-sectional view of the insulation carton provided in embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of the insulation board provided in embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of the thermal insulation carton provided in embodiment 2 of the present invention.

Fig. 5 is a schematic structural view of the thermal insulation carton provided in embodiment 3 of the present invention.

Fig. 6 is a schematic structural diagram of an insulation board provided in embodiment 4 of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 3, the present embodiment provides an insulation carton, which includes a box body 1 and an insulation bag 2. The box body 1 is formed by folding an insulation board 11, a cavity 12 is formed in the box body 1, and the cavity 12 is provided with a box opening 121. The insulation board 11 includes a foamed plastic layer 111, two intermediate layers 121, 121' and a metal material layer 131. The two intermediate layers 121 and 121' are adhered to both sides of the foamed plastic layer 111, and one of the metal material layers 131 is combined with the outer side of one of the intermediate layers 121. The heat insulation board 11 has the characteristics of good heat insulation effect, high strength, water resistance, reusability and the like.

The outer surface of the thermal insulation bag 2 is bonded with the inner wall surface of the cavity 12. The heat-preservation bag 2 is provided with a bag opening 21, the bag opening 21 faces the box opening 121, an opening and closing structure 3a is arranged on the bag opening 21, and the opening and closing structure 3a is opened or closed the bag opening 21. This insulation carton is through increasing insulated bag 2, and during the use, article are put into insulated bag 2, and insulated bag 2 plays the separation effect, prevents that liquid from oozing from the concatenation seam of box 1, and in addition, insulated bag 2 still plays the effect of heat preservation moisturizing, prevents that ambient temperature, humidity from leading to the fact the influence through concatenation seam to box 1 internal environment.

As shown in fig. 1, the opening and closing structure 3a of the thermal carton includes a plurality of male fasteners 31 and a plurality of female fasteners 32, wherein the male fasteners 31 are disposed on one inner side of the mouth 21, and the female fasteners 32 are disposed on the other inner side of the mouth 21. The bag opening 21 is closed/opened by buckling/separating the male buckle 31 and the female buckle 32, and the bag is convenient to use.

As shown in fig. 2, the thermal bag 2 of the thermal carton is adhered to the inner wall surface of the cavity 12 by a hook and loop fastener 4. Magic subsides 4 include a hook face 41 and a hook and loop face 42, exemplarily, can locate hook face 41 is pasted to the magic on the surface of insulated bag 2, hook and loop face 42 is located on the internal face of cavity 12, through the magic the hook face is pasted with hook and loop face 42 corresponds the bonding each other and realizes will insulated bag 2 bonds the internal face of cavity 12 makes insulated bag 2 has can dismantle, removable characteristics.

The intermediate layers 121, 121' of the insulation carton are extruded sheets. The extruded sheet layer has the characteristic of high burst strength.

The extruded sheet layer of the heat-preservation carton is made of polystyrene. The extruded sheet layer may also be any one of polylactic acid, polypropylene, polyvinyl chloride, or polyethylene terephthalate.

The metal material layer 131 of the thermal insulation carton is an aluminum layer. The aluminum layer has good heat insulation effect and low material cost.

The material of the foamed plastic layer 111 of the thermal insulation carton is polystyrene. The material of the foamed plastic layer 111 may also be any one of polylactic acid, polypropylene, polyvinyl chloride or polyethylene terephthalate.

Example 2

As shown in fig. 4, the present embodiment is different from embodiment 1 in that: the opening and closing structure 3b of the thermal insulation carton provided by this embodiment is a zipper, the zipper has two

zipper teeth

33, 34, and the two

zipper teeth

33, 34 are respectively disposed on two side edges of the bag opening 21. Realize the closure/open of sack 21 through the zip fastener, have convenient operation's characteristics, and the zip fastener has further promoted insulated bag 2's sealed effect, can keep temperature and humidity are stable in the insulated bag 2.

The rest of this embodiment is the same as embodiment 1, and the features not explained in this embodiment are explained by embodiment 1, which is not described again here.

Example 3

As shown in fig. 5, the present embodiment is different from embodiment 1 in that: the thermal insulation bag 2 of the thermal insulation carton provided by the embodiment is bonded through the inner wall surface of the cavity 12 of the adhesive layer 5. The adhesive layer 5 is formed by glue, and has the characteristics of stable adhesion and difficult falling.

Example 4

As shown in fig. 6, the present embodiment is different from embodiment 1 in that: the insulation board 11 of the insulation carton provided by this embodiment has two layers of the metal material layers 131 and 131 ', and the two layers of the metal material layers 131 and 131 ' are respectively compounded on the outer sides of the two layers of the middle layers 121 and 121 '.

Example 5

The present embodiment is different from embodiment 1 in that: the middle layers 121 and 121' of the insulation carton provided by the embodiment are paper layers. The paper layer is degradable.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An insulated carton, comprising:

2. The thermal carton of claim 1, wherein said opening and closing structure comprises a plurality of male fasteners and a plurality of female fasteners, said male fasteners being disposed on one inner side of said mouth, said female fasteners being disposed on another inner side of said mouth.

3. The insulated carton of claim 1, wherein the opening and closing structure is a zipper having two zipper elements disposed on opposite sides of the opening.

4. The thermal insulation carton according to any one of claims 1 to 3, wherein the thermal insulation bag is adhered to the inner wall surface of the cavity through a hook and loop fastener or an adhesive layer.

5. An insulated carton according to any of claims 1 to 3, wherein the intermediate layer is an extruded sheet layer or a paper layer.

6. A thermal carton according to claim 5 wherein the extruded sheet is of a material selected from any of polystyrene, polylactic acid, polypropylene, polyvinyl chloride or polyethylene terephthalate.

7. An insulated carton as claimed in any one of claims 1 to 3, wherein the layer of metal material is an aluminium layer.

8. A thermal carton according to any one of claims 1 to 3, wherein the foamed plastic layer is made of any one of polystyrene, polylactic acid, polypropylene, polyvinyl chloride and polyethylene terephthalate.