CN219688069U - Double-layer fresh-keeping antibacterial packaging box - Google Patents

Abstract

The utility model relates to a double-layer fresh-keeping antibacterial packaging box, which comprises a bottom box, a lower soft support, an upper soft support and a cover film; the lower part of the bottom box is provided with a plurality of independent supporting grooves, and a storage cavity is formed in each supporting groove; the upper part of the bottom box is a vertical box, so that an upper storage space is formed; the periphery of the top surface of the vertical box is turned outwards to form a heat sealing plane; a plurality of support columns are arranged in the bottom box, and the support columns are cones which are vertically arranged; chu Nacao is downwards formed in the soft support, and a fruit cavity is formed in the storage groove; a plurality of through holes are arranged on the plane of the lower soft support; a plurality of supporting holes are arranged on the plane of the upper soft support; the cover film covers the heat sealing plane at the top of the bottom box and is connected with the heat sealing plane in a heat sealing way. The utility model can realize double-layer storage and transportation, improves the storage and transportation capacity of a single box, has a certain fresh-keeping antibacterial property and keeps the freshness of fruits; meanwhile, the difficulty of packaging operation is reduced, the packaging efficiency is improved, and the use requirement is met.

Description

Double-layer fresh-keeping antibacterial packaging box

Technical Field

The utility model relates to a fresh-keeping antibacterial packing box, in particular to a packing box with a sampling double-layer structure.

Background

The fresh vegetables and fruits are produced in large scale at the current general sampling production place, and then transported to various places for sale; the common vegetables and fruits can be stored and transported by sampling a large turnover box, and can be put on a shelf after being properly sorted to a selling place to remove collision damage. However, fruits such as strawberries are rotten and deteriorated when slightly knocked, and long-distance transportation is often not possible.

However, with the adoption of high-grade fruits in partial places of origin, such as dandong strawberries, the fruits are heated in the market, and aiming at the fruits which are delicate in transportation, partial merchants adopt single fruit bags (using a foaming anti-collision net sleeve) and package by combining a foam box and the like, so that the requirement of long-distance transportation is met. These packaging forms undoubtedly increase packaging costs and packaging volume, and, in combination, increase packaging and transportation costs and raise the terminal selling price of the fruit.

Therefore, the applicant designs a fresh-keeping and quality-guaranteeing strawberry box with a Chinese patent publication number of CN216271005U, wherein an upper cover and a box body are generally formed by adopting sheet plastic suction and are limited by the thickness of the sheet, and the packing box is generally unsuitable to be oversized, and the oversized box can cause poor rigidity and variability, so that only about 10 slotted holes can be designed for placing strawberries, and the weight of fruits containing water after the packing is about 400 g. The original purpose of the box design is to facilitate long-distance transportation, avoid collision between strawberries, and can be applied to e-commerce sales, but the general initial charging is 1 kg when e-commerce sales express delivery is carried out, and in order to distribute the freight, the reasonable mode is that 2 boxes are shipped together, so that 2 packing boxes are needed for a single fruit, and the packing cost is indirectly increased.

And similar to a strawberry packing box with the Chinese patent publication number of CN214525333U, a strawberry packing box with the Chinese patent publication number of CN215044960U and the like, the outer box is also a transparent box body formed by sheet plastic suction, so that the freshness of the fruits in the inner part can be better displayed, but the label paper or the paper sleeve is additionally adhered to record the product information, the packing cost is further increased, and the packing man-hour is increased.

In view of the above, there is a need for further improvements in single fruit packages for fruits (e.g., strawberries), i.e., increased in-box reserves, reduced single fruit packaging costs, and reduced average packaging man-hours; the fresh-keeping antibacterial property is achieved, the freshness of fruits in the transportation process is guaranteed, and the sales requirement of electronic commerce is met.

Disclosure of Invention

The utility model aims to provide a double-layer fresh-keeping antibacterial packaging box, which adopts a double-layer packaging structure to improve fruit storage quantity; meanwhile, the packaging form of the box is improved, and the average packaging man-hour is reduced; and the safety antibacterial technology is adopted, so that the freshness of fruits in the transportation process is improved, and the sales demands of electronic commerce are better met.

In order to achieve the aim of the utility model, the utility model provides a double-layer fresh-keeping antibacterial packaging box, which comprises a bottom box, a lower soft support, an upper soft support and a cover;

the lower part of the bottom box is provided with a plurality of independent supporting grooves, and a storage cavity is formed in each supporting groove;

the upper part of the bottom box is a vertical box, so that an upper storage space is formed; the periphery of the top surface of the vertical box is turned outwards to form a packaging plane;

a plurality of support columns are arranged in the cavity of the vertical box above the support groove area in the bottom box, and the support columns are vertically arranged cones;

the lower soft support and the upper soft support are soft supports with similar structures; the upper part of the soft support is a plane; chu Nacao is downwards formed in the soft support, and the distribution of the storage grooves is consistent with that of the supporting grooves; the size of the supporting groove is larger than that of Chu Nacao; a fruit cavity is formed in the storage groove;

a plurality of through holes are arranged on the plane of the lower soft support, and the diameter of each through hole is larger than or equal to the bottom diameter of the support column;

a plurality of support holes are arranged on the plane of the upper soft support, and the support holes are sleeved on the tops of the support columns;

the positions of the support column, the via hole and the support hole are in one-to-one correspondence;

the plane of the lower soft support is contacted with the supporting plane at the top of the supporting groove of the bottom box;

the plane of the upper soft support is positioned at the top of the support column of the bottom box;

the cover is mounted on the packaging plane at the top of the bottom box, and is connected with the bottom box.

As a further improvement of the utility model, the periphery of the heat sealing plane of the bottom box is turned downwards to form a reinforced edge.

As a further improvement of the utility model, the support hole of the upper soft support is prefabricated into an upward convex cone, and a cone cavity with a large lower part and a small upper part is formed in the cone;

the bottom dimension of the cone cavity is larger than the top dimension of the support column.

Further, the size of the prefabricated opening in the supporting hole of the upper soft support is smaller than the top size of the supporting column.

As a further improvement of the utility model, the bottom of the storage groove of the upper soft support is higher than the plane of the lower soft support.

As a further improvement of the present utility model, not less than 3 support columns are provided around each support groove.

As a further improvement of the utility model, a plurality of reinforcing ribs are arranged in the axial direction of the support column; the reinforcing ribs are outwards protruded;

the top of the support column is a closed structure.

As a further development of the utility model, the cover is connected to the packaging plane of the top of the bottom case by means of a snap-fit connection.

As a further improvement of the present utility model, the cover is a cover film;

the cover film is self-adhesive preservative film and is adhered to the packaging plane at the top of the bottom box;

or the cover film is a heat-sealing film, and the cover film is attached to the packaging plane at the top of the bottom box through heat sealing.

According to the double-layer fresh-keeping antibacterial packaging box, after packaging, the supporting groove is used as a supporting structure at the bottom, the heat-sealed and tight cover film and the reinforced edge are used as supporting structures at the top, meanwhile, the top of the supporting column in the box is propped against the cover film, so that the lower soft support, the upper soft support and the fruits stored in the box are in safety protection, the fruits are positioned in each relatively independent fruit cavity with protection on the periphery, and the lower soft support and the upper soft support are hung in a hanging manner, so that external force collision can be avoided, and follow-up shaking can be realized, and the fruits can be prevented from rolling in the box; meanwhile, the cover film is adopted for sealing, oxygen-insulating gas such as nitrogen can be filled in the packaging box, and the pressure (more than 1 atmosphere) can be properly increased, so that the whole packaging box is in a positive pressure state, and the deformation resistance can be improved; the use of nitrogen can block oxygen and improve the freshness of fruits; the nanometer titanium dioxide is added into the materials of the lower soft support and the upper soft support which are in close contact with the fruits, so that the photocatalyst effect can be exerted, the effects of fresh keeping and antibiosis are further achieved, and the freshness of the fruits is maintained.

The double-layer fresh-keeping antibacterial packaging box can store 22 fruits (strawberries) at one time, the weight of the packaging box is about 800 g, when an electronic commerce uses and outputs goods, an outer packaging bag or a paper box is sleeved, the total weight is still within 1 kg, the weight of the first weight of express delivery can be utilized to the maximum, and the single fruit transportation cost can be shared; the box only increases the height of one layer of fruits, so that the packaging cost of single fruits is reduced; the top adopts the plastic film, is convenient for printing promptly, removes the secondary and pastes the label, and the plastic film can utilize the heat-sealing machine to carry out automatic encapsulation, has removed the buckle closure operation from, has reduced workman's packing operation intensity in the aspect of the comprehensive, has improved packing operation efficiency.

Drawings

FIG. 1 is an exploded view of a double-layer fresh-keeping antibacterial package of the present utility model;

FIG. 2 is a schematic view of the structure of the bottom case of the present utility model;

FIG. 3 is a schematic view of the structure of the soft support of the present utility model;

FIG. 4 is a cross-sectional view of a fixing hole of the upper soft support of the present utility model;

fig. 5 is a schematic diagram of the finished product state of a double-layer fresh-keeping antibacterial packaging box according to the utility model;

fig. 6 is a schematic view showing an opened state of a double-layered fresh-keeping antibiotic packing box according to the present utility model;

FIG. 7 is a schematic view of the internal structure of FIG. 5 in section;

FIG. 8 is a schematic view of the assembly process of the state of FIG. 6;

FIG. 9 is a schematic view of the internal structure of FIG. 6 in section;

fig. 10 is an enlarged schematic view in partial section of fig. 6.

Detailed Description

The following describes the embodiments of the present utility model in further detail with reference to the drawings.

As shown in fig. 1, the double-layer fresh-keeping antibacterial packaging box mainly comprises a bottom box 1, a lower soft support 2, an upper soft support 3 and a cover film 4.

As shown in fig. 2, the base case 1 is further formed by vacuum forming a sheet (thickness of about 0.6 mm) of PET or the like; the cross-sectional area is not excessively large due to the limitation of the size of the die, otherwise, a machine tool and a die with larger sizes are needed; the bottom box 1 mainly provides supporting rigidity and prevents collision deformation; the bottom is designed with a supporting groove 11 according to the size of fruits and the single fruit storage and transportation requirement, and a plurality of independent supporting groove 11 structures are adopted, so that the supporting body in the vertical direction can be increased, and the rigidity of the bottom box 1 is improved; because of adopting the plastic suction production process, the inner part of the supporting groove 11 forms a storage cavity 111; for realizing double-layer storage, the upper part of the bottom box 1 is a vertical box 12 to form an upper storage space; the periphery of the top surface of the vertical box 12 is turned outwards to form a heat sealing plane 13; in order to improve the rigidity of the periphery of the vertical box, the periphery of the heat sealing plane 13 is turned downwards to form a reinforced edge 131; a plurality of support columns 14 are arranged in the bottom box 1, namely above the supporting groove 11 area, and the cavity of the vertical box 12, wherein the support columns 14 are vertically arranged cones, so that demolding is convenient, and supporting rigidity can be improved.

The lower soft support 2 and the upper soft support 3 are soft supports with similar structures, and are formed by plastic suction from sheets (the thickness is about 0.2 mm) made of PE and the like as shown in fig. 3; further preferably, in the production process of the sheet, referring to a nano titanium dioxide antibacterial film of CN106243472A after being disclosed in China patent publication and a preparation method thereof, nano titanium dioxide is added to ensure that the sheet has an antibacterial and fresh-keeping function; the upper part of the soft support is a plane 21, 31; then forming the storage tanks 22, 32 downward; chu Nacao 22 are distributed in accordance with the distribution of the supporting grooves 11 in the bottom box 1; the inside of Chu Nacao, 32 is fruit cavity 221, 321, take strawberry storage as an example, the size of fruit cavity is about 35mm wide and deep, and about 50mm long, so that single strawberry can be completely stored. The lower soft support 2 is different from the upper soft support 3 in that the lower soft support 2 is provided with a via hole 23, and the upper soft support 3 is provided with a plurality of support holes 33; in use, as shown in fig. 8, the lower soft support 2 is first put into the bottom box 1, the via hole 23 is sleeved into the support column 14 and passes through the support column 14 all the way to the bottom of the support column 14, so that the plane 21 contacts the support plane 112 at the top of the support groove 11, the diameter of the via hole 23 is larger than or equal to the bottom diameter of the support column 14, meanwhile, the internal size of the storage cavity 111 in the support groove 11 is larger than the external size of Chu Nacao, in particular, the internal depth of Chu Naqiang 111 is larger than the depth of Chu Nacao, so that the storage groove 22 is suspended in the storage cavity 111; further as shown in fig. 8, after the lower soft support 2 is set in place, fruit is filled in the fruit cavity 221, then the upper soft support 3 is placed, so that the supporting hole 33 is aligned with the top of the supporting column 14, preferably, the supporting hole 33 is sleeved on the top of the supporting column 14, since the sheet material of the upper soft support 3 is thinner, the formed supporting hole 33 has elasticity and can be enlarged, so that the size of the supporting hole 33 is reasonably controlled, so that the supporting hole can be sleeved on the top of the supporting column 14, meanwhile, since the supporting column 14 is a cone, the supporting hole 33 cannot be too downward along the height direction of the supporting column 14, namely, as shown in fig. 6, 9 and 10, the upper soft support 3 is positioned on the upper part of the bottom box 1, and fruit can be filled in the fruit cavity 321.

As further shown in fig. 4, the supporting hole 33 of the upper layer soft support 3 may be further prefabricated into an upward protruding cone, and a cone cavity 331 with a lower size and a larger upper size is formed inside the supporting hole, and the bottom size of the cone cavity 331 is larger than the top size of the supporting column 14, so that the supporting column 14 can be positioned through the cone cavity 331 when the upper layer soft support 3 is pre-placed; the top of the cone 331 is provided with an opening 332, the prefabricated size of the opening 332 is smaller than the top size of the supporting column 14, a certain force needs to be applied, and the opening 332 can be sleeved on the top of the supporting column 14 after being elastically stretched, so as to form a limit and support, as shown in fig. 9 and 10.

Because the lower soft support 2 and the upper soft support 3 are thinner, the wall thickness of the molded Chu Nacao, 32 is thinner, so that the fruits are formed into single fruits and placed in the fruit cavities 221, 321 to form a suspension follow-up structure, shaking power in the transportation process can be absorbed through the deformation shaking of Chu Nacao, 32, and the fruits cannot roll and slide in the fruit cavities 221, 321, so that collision and injury are generated.

Furthermore, also because the lower soft support 2 and the upper soft support 3 are thinner, in order to position the planes 21 and 31 and prevent the soft support from deforming as a whole, the positioning needs to be formed by the cooperation of the via hole 23 and the bottom of the support column 14 and the cooperation of the support hole 33 and the top of the support column 14, so as to prevent deformation; particularly, for the upper soft support 3, the number of the support columns 14 needs to be increased to improve the reliability of supporting the upper soft support 3 by the support columns 14, so that the support columns 14 need to be provided with a sufficient number, that is, as shown in fig. 2, and with reference to fig. 3, 6 and 8, at least 3 support columns 14 are provided around each support groove 11 to form a sufficient supporting point.

Further, the upper soft support 3 is suspended and supported in the bottom case 1 only by the support column 14, and in order to improve the reliability of the support column 14, as shown in fig. 9, a plurality of reinforcing ribs 141 are arranged in the axial direction of the support column 14; preferably, the reinforcing ribs 141 are protruded outward, so that the contact area with the supporting hole 33 (or the opening 332) can be further increased, and the reliability of connection can be improved. The top of the support column 14 is of a closed structure, and deformation of the top due to extrusion of the support hole 33 can be prevented.

The cover film 4 is a heat-sealing film and can be printed with patterns; the lower soft support 2 is sequentially placed in the bottom box 1, fruits are placed in the lower soft support 2, the upper soft support 3 is installed, after the fruits are placed, a double-layer packaging structure of the fruits is formed, the cover film 4 is used for being in contact with the heat sealing plane 13 of the bottom box 1, and the packaging is completed after the heat sealing is carried out; the cover film 4 is adopted, compared with the existing packaging box (a fresh-keeping and quality-guaranteeing strawberry box with the Chinese patent publication number of CN 216271005U), a sealing space is integrally formed, nitrogen or other gases can be filled in the bottom box 1 during packaging, and then the packaging is sealed, so that the fruits are in a low-oxygen environment, the growth of mould and the generation and release of ethylene can be inhibited, the metabolism of the fruits is delayed, and the fresh-keeping period of the fruits is prolonged.

Of course, the packaging can be still performed by adopting the cover, and the packaging is performed by the buckle, but the packaging box with the buckle packaging structure leaks air, so that nitrogen cannot be filled; or in order to improve the tightness, a self-adhesive preservative film can be stuck on the packaging surface of the bottom box 1, and then the bottom box is covered with a cover for reinforcement, so that better sealing can be realized.

After the double-layer fresh-keeping antibacterial packaging box is packaged, the internal structure is shown in fig. 7, the supporting groove 11 is used as a supporting structure at the bottom, the heat-sealed and tight cover film 4 and the reinforcing edge 131 are used as supporting structures at the top, so that the lower soft support 2, the upper soft support 3 and the fruits stored in the double-layer fresh-keeping antibacterial packaging box are in safety protection; meanwhile, the cover film 4 is adopted for sealing, nitrogen can be filled in the packaging box, and the pressure (more than 1 atmosphere) can be properly increased, so that the whole packaging box is in a positive pressure state, and the deformation resistance can be improved; the use of nitrogen can improve the freshness of fruits; the lower soft support 2 and the upper soft support 3 which are in close contact with fruits are made of nano titanium dioxide, the photocatalyst effect is exerted under the light condition, electrons and holes are generated, the electrons and the holes meet oxygen and water in the box, hydroxyl free radicals and superoxide ions are generated, bacteria can be killed, the bacteria are decomposed into carbon dioxide and water, the carbon dioxide is stored in the box, the respiration of the fruits can be inhibited by the carbon dioxide, and accordingly the fresh-keeping and antibacterial effects are achieved, and the freshness of the fruits is maintained.

Under the embodiment, the double-layer fresh-keeping antibacterial packaging box can store 22 fruits (strawberries) at one time, and when the packaging box is used for shipment by an electronic commerce, an outer packaging bag (a foam bag or a common packaging bag) or a paper box is sleeved, the total weight is still within 1 kg, the weight of the first weight of the express delivery can be utilized to the maximum, and the single fruit transportation cost can be shared; the box only increases the height of one layer of fruits, so that the packaging cost of single fruits is reduced; the top adopts the plastic film 4, is convenient for printing, removes the secondary label, and the plastic film 4 can utilize the heat sealing machine to carry out automatic encapsulation, has removed the buckle closure operation from, has reduced workman's packing operation intensity in the aspect of the synthesis, has improved packing operation efficiency.

While the preferred embodiments of the present utility model have been described in detail, the present utility model is not limited to the embodiments described above, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (9)

1. The double-layer fresh-keeping antibacterial packaging box is characterized by comprising a bottom box, a lower soft support, an upper soft support and a cover;

the lower part of the bottom box is provided with a plurality of independent supporting grooves, and a storage cavity is formed in each supporting groove;

the upper part of the bottom box is a vertical box, so that an upper storage space is formed; the periphery of the top surface of the vertical box is turned outwards to form a packaging plane;

a plurality of support columns are arranged in the cavity of the vertical box above the support groove area in the bottom box, and the support columns are vertically arranged cones;

the lower soft support and the upper soft support are soft supports with similar structures; the upper part of the soft support is a plane; chu Nacao is downwards formed in the soft support, and the distribution of the storage grooves is consistent with that of the supporting grooves; the size of the supporting groove is larger than that of Chu Nacao; a fruit cavity is formed in the storage groove;

a plurality of through holes are arranged on the plane of the lower soft support, and the diameter of each through hole is larger than or equal to the bottom diameter of the support column;

a plurality of support holes are arranged on the plane of the upper soft support, and the support holes are sleeved on the tops of the support columns;

the positions of the support column, the via hole and the support hole are in one-to-one correspondence;

the plane of the lower soft support is contacted with the supporting plane at the top of the supporting groove of the bottom box;

the plane of the upper soft support is positioned at the top of the support column of the bottom box;

the cover is mounted on the packaging plane at the top of the bottom box, and is connected with the bottom box.

2. The double-layer fresh-keeping antibacterial packaging box as claimed in claim 1, wherein the periphery of the packaging plane of the bottom box is turned downwards to form reinforcing edges.

3. The double-layer fresh-keeping antibacterial packaging box as claimed in claim 1, wherein the supporting holes of the upper soft support are prefabricated into upwards-protruding cones, and cone cavities with large lower parts and small upper parts are formed in the cones;

the bottom dimension of the cone cavity is larger than the top dimension of the support column.

4. A double-deck fresh-keeping antibacterial packing box according to claim 1 or 3, wherein the size of the prefabricated opening in the supporting hole of the upper soft tray is smaller than the top size of the supporting column.

5. The double-layer fresh-keeping antibacterial packaging box according to claim 1, wherein the bottom of the storage groove of the upper soft tray is higher than the plane of the lower soft tray.

6. The double-deck fresh-keeping antibacterial packing box according to claim 1, wherein not less than 3 supporting columns are provided around each supporting groove.

7. The double-layer fresh-keeping antibacterial packaging box as claimed in claim 1, wherein a plurality of reinforcing ribs are arranged in the axial direction of the supporting column; the reinforcing ribs are outwards protruded;

the top of the support column is a closed structure.

8. The double-layer fresh-keeping antibacterial packaging box as claimed in claim 1, wherein the cover is connected with the packaging plane at the top of the bottom box through a buckle.

9. The double-layer fresh-keeping antibacterial packaging box as claimed in claim 1, wherein the cover is a cover film;

the cover film is self-adhesive preservative film and is adhered to the packaging plane at the top of the bottom box;

or the cover film is a heat-sealing film, and the cover film is attached to the packaging plane at the top of the bottom box through heat sealing.