CN219407729U - Thermal-insulated packing carton keeps warm - Google Patents

Abstract

The utility model discloses a heat-insulating packaging paper box, which comprises a packaging paper box body, wherein a top cover is arranged above the packaging paper box body, the top cover is connected with the packaging paper box body through a hinge, the packaging paper box body is formed by a plurality of layers of composite boards, three foam blocks are equidistantly arranged in the packaging paper box body and fixedly connected with the packaging paper box body, hollow plastic plates are arranged above the three foam blocks, a plurality of square ventilation holes are equidistantly arranged on the hollow plastic plates, drainage holes are formed in the rear of the packaging paper box body, and carrying handles are arranged on two sides of the packaging paper box body; the utility model can maintain the internal temperature of the packaging paper box in the transportation process and simultaneously reduce the damage to articles in the packaging paper box when using the ice bag.

Description

Thermal-insulated packing carton keeps warm

Technical Field

The utility model belongs to the technical field of manufacturing of packaging cartons, and particularly relates to a heat-preservation and heat-insulation packaging carton.

Background

The paper box is commonly used for storage, transportation and loading and unloading, is generally manufactured by adopting corrugated paper boards or coated paper boards, particularly the corrugated paper box, has the advantages of light material, large bearing capacity and capability of customizing the specification and the size of the packing box according to the transported objects, has stronger buffering property, lighter weight, quick combination, time saving, labor holding, better sealing property and saving a large amount of wood, and can also be made of other manufacturing materials and replaced by special structures for transporting special goods.

When the traditional paper box is used for conveying fresh or other articles needing low-temperature transportation, an ice bag is directly placed in the paper box for maintaining the temperature inside the paper box, the low-temperature ice bag not only frostbite the articles in the contact process, but also generates a large amount of condensed water in the transportation process, so that the articles are easy to damp and rot, and the temperature inside the box is difficult to maintain for a long time only by means of the ice bag.

The patent CN214139576U discloses a carton with heat preservation function, uses combined material swimwear such as tinfoil paper and cystosepiment to strengthen the heat preservation, but inside put into the ice bag and cool down and produce the comdenstion water in the transportation easily, and the article is stained with the back and is easily wet and damage, does not set up the structure with ice bag and article isolation in this scheme simultaneously, contacts the ice bag for a long time and makes the article receive the low temperature to influence easily and produce the damage.

Disclosure of Invention

The utility model aims to provide a heat-insulating packaging carton which aims to solve the problems that the low temperature is difficult to keep for a long time in the transportation process of a common carton structure, the ice bag is easy to have adverse effect on transported articles and the like.

The utility model realizes the above purpose through the following technical scheme: including the packing carton body, packing carton body top is equipped with the top cap, the top cap with packing carton body passes through hinge connection, packing carton body is the multilayer composite sheet constitution, this internal equidistance of packing carton is equipped with three foam piece, three the foam piece with packing carton body fixed connection, three the foam piece top is equipped with the fretwork plastic slab, the equidistance is equipped with a plurality of square bleeder vents on the fretwork plastic slab, packing carton body rear is equipped with the wash port, packing carton body both sides are equipped with the transport handle.

Further, the multi-layer composite board material comprises a polyethylene film, corrugated boards, foam boards, glass fiber cotton boards, foam boards, corrugated boards and aluminum foil paper from outside to inside, wherein two foam boards are provided with hollowed-out parts, air is pumped out from the middle of the two foam boards to form vacuum, and the multi-layer composite board is pressed at a high temperature.

Further, a sealing paperboard is arranged on the outer side of the top cover, and the sealing paperboard is connected with the top cover through glue.

Further, a water passing channel is arranged in the middle of the foam block, the height of the drain hole is lower than that of the foam block, and hydrophobic sponges are arranged at two ends of the drain hole.

Further, the front of the packaging paper box body is provided with a first fixing block, the top cover is provided with a second fixing block, and the second fixing block is provided with a buckle.

Further, adjacent plates of the packaging carton body are connected through plastic nails.

The beneficial effects are that: the utility model has reasonable design and has the following beneficial effects:

1. the packaging carton body is formed by composite boards, the multilayer heat insulation material can isolate external high temperature, the vacuum layer can keep the temperature in the carton for a longer time, meanwhile, the multilayer structure enhances the overall hardness of the packaging carton, and the carton can be protected from impact deformation or damage;

2. the space for placing the ice bag is reserved in the middle of the foam block in the box, the hollow plastic plate with the square air holes is placed above the ice bag after the ice bag is placed, the ice bag can be isolated from being contacted with transported articles, the articles of the ice bag are prevented from being frostbitten by low temperature, cold air is upwards diffused through the square air holes, condensed water formed by the ice bag flows to the drain holes through the water channel below the foam block, and is discharged out of the packaging box through the two layers of sponge blocks;

3. the sealing paper boards are arranged on the three sides of the top cover, so that air transmission can be isolated, heat transfer is reduced, and after the fixing blocks on the sealing paper boards are attached, the boxes are closed by pulling down the buckles, so that the sealing performance of the packing boxes can be enhanced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of a partial structure of the multi-layered composite panel of the present utility model;

FIG. 5 is a schematic view of a partial cross-sectional structure of a drain hole according to the present utility model.

In the figure: 1-packaging carton body, 2-top cover, 3-foam block, 4-hollowed plastic plate, 5-drain hole, 6-carrying handle, 7-sealing cardboard, 8-water channel and 9-hydrophobic sponge;

11-multilayer composite board, 12-plastic nail, 13-first fixed block, 14-second fixed block, 15-buckle, 111-polyethylene film, 112-corrugated board, 113-foam board, 114-glass fiber panel, 115-aluminum foil paper, 116-fretwork.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The utility model provides a heat preservation and insulation's packing carton that combines shown in fig. 1 through 5, including packing carton body 1, packing carton body 1 top is equipped with top cap 2, top cap 2 passes through hinge connection with packing carton body 1, packing carton body 1 is multilayer composite sheet 11 constitution, the equidistance is equipped with three foam piece 3 in packing carton body 1, three foam piece 3 and packing carton body 1 fixed connection, three foam piece 3 top is equipped with fretwork plastic slab 4, the equidistance is equipped with a plurality of square bleeder vents on the fretwork plastic slab 4, packing carton body 1 rear is equipped with wash port 5, packing carton body 1 both sides are equipped with transport handle 6.

Wherein, multilayer composite sheet 11 material is constituteed and is included polyethylene film 111 from the outside to interior, corrugated board 112, foam board 113, glass fiber cotton board 114, foam board 113, corrugated board 112, aluminium foil 115, be equipped with fretwork 116 on two foam boards 113, the fretwork is taken out in the middle of two foam boards 113 and is formed the vacuum, multilayer composite sheet 11 passes through high temperature suppression, multilayer insulating material can be isolated external high temperature, the vacuum layer can be longer keep the incasement temperature, multilayer structure has strengthened packing box overall hardness simultaneously, can protect the case and can not receive the striking deformation or damage, the top cap 2 outside is equipped with sealed cardboard 7, sealed cardboard 7 passes through glue with top cap 2 and is connected, sealed cardboard 7 can increase the leakproofness of packing carton, reduce the heat interaction, be equipped with water channel 8 in the middle of the foam piece 3, the wash port 5 height is less than foam piece 3, the wash port 5 both ends are equipped with hydrophobic sponge 9, the inside comdenstion water of packing carton is convenient for getting rid of to be lower in wash port 5 places, hydrophobic sponge 9 can reduce the circulation of air, reduce heat transfer, packing carton body 1 is equipped with first fixed block 13, be equipped with second fixed block 14 on the top cap 2, be equipped with second fixed block 14 on the front face 14, be equipped with sealed with the buckle 15 as sealed and the front 15 is convenient for open the packaging box, seal 15 is convenient for open between the sealed with the plastic case, and the top cap 1 is connected with sealed top cap 15.

Working principle: when the ice bag packaging box is used, firstly, the ice bag is placed between foam blocks in the packaging box, the hollowed-out plastic plate with the square air holes is covered above the ice bag and the foam blocks, so that the ice bag can be prevented from being directly contacted with transported articles, the articles are damaged due to low-temperature frostbite, meanwhile, the square air holes can enable cold air to pass through the first fixing block of the packaging box body to reduce the temperature in the box, the packaging box body forms a plate block which is made of a composite material, wherein a polyethylene coating film, a glass fiber cotton plate and aluminum foil paper have good heat insulation and heat preservation performance, heat transfer can be prevented, a vacuum layer can reduce low Wen Xiangwai diffusion in the box, condensed water generated by adsorption of the ice bag is not wet and rotten on the aluminum foil paper, the condensed water is discharged out of the box from the drain holes along the water channel on the foam blocks through the bottom plate of the packaging box, after the transported articles are placed on the hollowed-out plastic plate, the top cover is covered, the buckle on the second fixing block is pulled down, and is buckled on the first fixing block of the packaging box body, the top cover and the packaging box body is sealed, so that the top cover and the packaging box body is sealed, the air flow is reduced, and the cold air in the box is prevented from flowing, and the low temperature in the packaging box is maintained.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a packing carton of thermal-insulated, includes packing carton body (1), packing carton body (1) top is equipped with top cap (2), top cap (2) with packing carton body (1) pass through hinge connection, its characterized in that: packaging carton body (1) is multilayer composite sheet (11) constitution, equidistance is equipped with three foam piece (3) in packaging carton body (1), three foam piece (3) with packaging carton body (1) fixed connection, three foam piece (3) top is equipped with fretwork plastic sheet (4), the equidistance is equipped with a plurality of square bleeder vents on fretwork plastic sheet (4), packaging carton body (1) rear is equipped with wash port (5), packaging carton body (1) both sides are equipped with transport handle (6).

2. A heat preservation and insulation packaging carton as defined in claim 1 wherein: the multi-layer composite board (11) is characterized by comprising polyethylene films (111), corrugated boards (112), foam boards (113), glass fiber cotton boards (114), foam boards (113), corrugated boards (112) and aluminum foil paper (115) from outside to inside, wherein hollowed-out parts (116) are arranged on the two foam boards (113), air is pumped out from the middle of the two foam boards (113) to form vacuum, and the multi-layer composite board (11) is pressed at a high temperature.

3. A heat preservation and insulation packaging carton as defined in claim 1 wherein: the outer side of the top cover (2) is provided with a sealing paperboard (7), and the sealing paperboard (7) is connected with the top cover (2) through glue.

4. A heat preservation and insulation packaging carton as defined in claim 1 wherein: the foam block (3) is provided with a water passing channel (8) in the middle, the height of the drain hole (5) is lower than that of the foam block (3), and the two ends of the drain hole (5) are provided with hydrophobic sponges (9).

5. A heat preservation and insulation packaging carton as defined in claim 1 wherein: the packaging carton comprises a packaging carton body (1), and is characterized in that a first fixing block (13) is arranged on the front face of the packaging carton body (1), a second fixing block (14) is arranged on the top cover (2), and a buckle (15) is arranged on the second fixing block (14).

6. The heat preservation and insulation packaging carton of claim 5 wherein: adjacent plates of the packaging carton body (1) are connected through plastic nails (12).