CN117342135A - Quick-frozen cold-storage packaging corrugated carton - Google Patents
Quick-frozen cold-storage packaging corrugated carton Download PDFInfo
- Publication number
- CN117342135A CN117342135A CN202311454590.0A CN202311454590A CN117342135A CN 117342135 A CN117342135 A CN 117342135A CN 202311454590 A CN202311454590 A CN 202311454590A CN 117342135 A CN117342135 A CN 117342135A
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- China
- Prior art keywords
- box body
- plates
- plate
- quick
- ice
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 17
- 238000003860 storage Methods 0.000 title claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 38
- 235000011089 carbon dioxide Nutrition 0.000 claims abstract description 38
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000010410 layer Substances 0.000 claims description 54
- 239000000123 paper Substances 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 7
- 239000011087 paperboard Substances 0.000 claims description 7
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 239000002390 adhesive tape Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000011111 cardboard Substances 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 12
- 238000005057 refrigeration Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 9
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000001816 cooling Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/04—Partitions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Packages (AREA)
Abstract
The invention belongs to the field of corrugated boxes, and particularly relates to a quick-frozen refrigeration packaging corrugated box which comprises a box body, side plates, a lower small plate, a lower large plate, an upper small plate, an upper large plate, an ice loading mechanism, a bottom plate, an air bag, tin foil and a grid layer, wherein the box body is formed by encircling and folding double-layer corrugated structure paper plates; the lower end of the box body is sealed by two lower small plates and two lower large plates, and the upper end of the box body is sealed by two upper small plates and two upper large plates. According to the invention, the ice loading mechanism capable of changing the dry ice at any time is arranged in the jacks at the four corners of the box body, and the ice loading mechanism does not need to open the box body in the process of changing the dry ice, so that the loss of cold in the box body is avoided, and the frozen products in the box body are prevented from going bad in the process of changing the dry ice.
Description
Technical Field
The invention belongs to the field of corrugated cartons, and particularly relates to a quick-frozen refrigeration packaging corrugated carton.
Background
The frozen products are transported by using corrugated boxes, and a layer of air bags and dry ice or ice cubes for refrigeration are generally placed in the corrugated boxes to keep the articles in the boxes in a refrigerated state in the transportation process, so that the cooling capacity in the boxes is prevented from being lost.
The above-mentioned refrigerated transportation method is feasible for short distance transportation, but for long distance transportation, the sealing property and cold insulation property between the corrugated case and the outside are poor, and the temperature in the corrugated case can rapidly rise after the dry ice in the corrugated case is consumed and the frozen products in the corrugated case deteriorate.
The method for solving the problem of deterioration of frozen products caused by dry ice consumption in the corrugated case is to replace the dry ice in the case frequently at regular time, the corrugated case needs to be opened when the dry ice is replaced, the cold in the case can be rapidly consumed in the process of opening the corrugated case, the temperature in the case can be reduced only in a long time after the dry ice is replaced, and the frozen products in the case can slightly deteriorate in the process.
The invention designs a quick-frozen cold-storage packaging corrugated carton which solves the problems.
Disclosure of Invention
In order to solve the defects in the prior art, the invention discloses a quick-frozen refrigeration packaging corrugated carton which is realized by adopting the following technical scheme.
A quick-frozen refrigeration packaging corrugated case comprises a case body, side plates, a lower small plate, a lower large plate, an upper small plate, an upper large plate, an ice loading mechanism, a bottom plate, an air bag, tin foil and a grid layer, wherein the case body is formed by surrounding and folding double-layer corrugated structure paper plates; the lower end of the box body is closed by two lower small plates and two lower large plates, and the upper end of the box body is closed by two upper small plates and two upper large plates; a bottom plate is arranged at the bottom of the box body; jacks are formed in four corners of the box body on the two upper large plates, and each jack is internally provided with an ice loading mechanism which is used for placing dry ice in the box body and can replace the dry ice; the width of the two upper small plates is smaller than the distance between the two jacks at the corresponding sides, and the two upper large plates are provided with bending lines which do not affect the switch of the upper small plates; an air bag is glued on the inner walls of the four side plates of the box body, and tinfoil which exchanges heat with dry ice is covered outside the air bag; a grid layer is inserted between each air bag and the frozen product in the middle part in the box body, and a gap for releasing cool air from the dry ice in the corresponding ice-filling mechanism to the frozen product is arranged between any two adjacent grid layers.
As a further improvement of the technology, the paperboard required for manufacturing the box body is of a double-corrugated seven-layer structure consisting of a middle layer, two corrugated layers on two sides of the middle layer, side layers on the outer sides of the two corrugated layers and a heat insulation film B on the outer sides of the two side layers.
As a further improvement of the technology, the two lower large plates at the lower end of the box body are sealed by means of mutual superposition and gluing.
As a further improvement of the present technique, the two upper large plates are closed by means of adhesive tape bonding to each other.
As a further improvement of the technology, the box cylinder is formed by gluing and surrounding the adhesive part A on one side plate and the adjacent side plate.
As a further improvement of the technology, two sides of the part where the two insertion holes are located on the two upper large plates are provided with bonding parts B which are glued with the side plates on the two adjacent sides.
As a further improvement of the technology, the ice-filling mechanism comprises a corner plate, partition plates and gummed paper, wherein the inside of the corner plate which is equal to the side plate of the box body is divided into a plurality of spaces which are distributed up and down and are used for placing dry ice by a plurality of partition plates, and gummed paper which is adhered to the corresponding upper large plate and the corresponding two side plates is arranged at the upper end of the corner plate.
As a further improvement of the technology, the grid layer comprises a strip A and a strip B, wherein a plurality of horizontal strips A which are vertically and uniformly distributed at intervals are uniformly provided with slots at intervals along the horizontal direction, and a plurality of vertical strips B which are horizontally and uniformly distributed at intervals and have the same width as the strip A are uniformly provided with slots at intervals along the vertical direction; the batten A and the batten B are mutually spliced in a mutually perpendicular state at the slot.
As a further improvement of the technology, the angle plates and the baffle plates are all single-layer corrugated boards; both the batten A and the batten B are single-layer corrugated boards.
As a further improvement of the technology, a heat insulation film A is adhered outside the two lower large plates.
Compared with the traditional corrugated paper box, the box body made of the paper board with the five-layer structure can effectively block the loss of the cold energy in the box body, so that the box body has an effective cold insulation function.
According to the invention, the ice loading mechanism capable of changing the dry ice at any time is arranged in the jacks at the four corners of the box body, and the ice loading mechanism does not need to open the box body in the process of changing the dry ice, so that the loss of cold in the box body is avoided, and the frozen products in the box body are prevented from going bad in the process of changing the dry ice.
According to the invention, the grid layers for separating the frozen product from the air bags on the four side plates and the layout mode among the four grid layers can enable the cold energy emitted by the dry ice in the four ice-loading mechanisms at the four corners and the cold energy emitted by the tinfoil paper which is refrigerated by heat conduction on the air bags to be quickly and effectively transferred to the frozen product in the middle part, so that the temperature in the box body is quickly reduced to the freezing temperature required by the frozen product without deterioration.
The invention has simple structure and better use effect.
Drawings
Fig. 1 is a schematic overall view of the present invention.
Fig. 2 is a schematic overall side cross-sectional view of the present invention.
Fig. 3 is a schematic top view in cross section of the present invention.
Fig. 4 is a schematic view of the case and two cross sections thereof.
Fig. 5 is a schematic diagram of the ice-loading mechanism from two perspectives.
Fig. 6 is a grid layer schematic.
Fig. 7 is a schematic view of a paperboard.
Reference numerals in the figures: 1. a case; 2. a side plate; 3. a lower plate; 4. a lower large plate; 5. a small upper plate; 6. a large upper plate; 7. a jack; 8. an adhesive part A; 9. an adhesive part B; 10. a bending line; 11. an adhesive tape; 12. an ice charging mechanism; 13. a corner plate; 14. a partition plate; 15. glue paper; 16. dry ice; 17. a bottom plate; 18. an air bag; 19. tin foil; 20. a grid layer; 21. a lath A; 22. a slot; 23. a lath B; 24. a heat insulating film A; 25. a paperboard; 26. a middle layer; 27. a corrugated layer; 28. an edge layer; 29. and a heat insulating film B.
Detailed Description
The drawings are schematic representations of the practice of the invention to facilitate understanding of the principles of operation of the structure. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.
As shown in fig. 1, 2 and 3, the ice-making device comprises a box body 1, a side plate 2, a lower small plate 3, a lower large plate 4, an upper small plate 5, an upper large plate 6, an ice-making mechanism 12, a bottom plate 17, an air bag 18, a tin foil 19 and a grid layer 20, wherein the box body 1 is formed by encircling a double-layer corrugated structure paperboard 25 as shown in fig. 4; the lower end of the box body 1 is closed by two lower small plates 3 and two lower large plates 4, and the upper end of the box body 1 is closed by two upper small plates 5 and two upper large plates 6; a bottom plate 17 is arranged at the bottom of the box body 1; jacks 7 are arranged on the two upper large plates 6 and positioned at four corners of the box body 1; as shown in fig. 1, 2 and 3, each jack 7 is internally provided with an ice loading mechanism 12 which is used for placing dry ice 16 in the box body 1 and can replace the dry ice 16; as shown in fig. 4, the width of the two upper small plates 5 is smaller than the interval between the two insertion holes 7 on the corresponding sides, and the two upper large plates 6 are provided with bending lines 10 which do not affect the opening and closing of the upper small plates 5; as shown in fig. 2 and 3, air bags 18 are glued on the inner walls of the four side plates 2 of the box body 1, and tin foils 19 which exchange heat with the dry ice 16 are wrapped outside the air bags 18; a grid layer 20 is inserted between each air bag 18 and the frozen products in the middle part in the box body 1, and a gap for releasing cold air to the frozen products by the dry ice 16 in the corresponding ice loading mechanism 12 is arranged between any two adjacent grid layers 20.
As shown in fig. 7, the cardboard 25 required for manufacturing the case 1 has a double corrugated seven-layer structure consisting of a middle layer 26, two corrugated layers 27 on both sides of the middle layer 26, side layers 28 on the outer sides of the two corrugated layers 27, and a heat insulation film B29 on the outer sides of the two side layers 28.
As shown in fig. 1, 2 and 4, the two lower large plates 4 at the lower end of the box body 1 are sealed by laminating and gluing.
As shown in fig. 1, 2 and 4, the two upper plates 6 are closed by means of adhesive tapes 11 superimposed on each other.
As shown in fig. 4, the cylindrical case 1 is formed by adhering and folding the adhesive portion A8 of one side plate 2 and the adjacent side plate 2.
As shown in fig. 4, two sides of the portion of the two upper large plates 6 where the two insertion holes 7 are located have bonding portions B9 which are bonded to the side plates 2 on the adjacent two sides.
As shown in fig. 5, the ice-loading mechanism 12 comprises a corner plate 13, a partition plate 14 and gummed paper 15, wherein the inside of the corner plate 13 which is equal to the side plate 2 of the box body 1 is divided into a plurality of spaces which are distributed up and down and are used for placing dry ice 16 by a plurality of partition plates 14, and the gummed paper 15 which is adhered to the corresponding upper big plate 6 and the corresponding two side plates 2 is arranged at the upper end of the corner plate 13.
As shown in fig. 6, the grid layer 20 includes a strip a21 and a strip B23, wherein a plurality of horizontal strips a21 distributed at even intervals are provided with slots 22 at even intervals along the horizontal direction, and a plurality of vertical strips B23 distributed at even intervals and the same width as the strip a21 are provided with slots 22 at even intervals along the vertical direction; the batten A21 and the batten B23 are mutually inserted and connected in a mutually perpendicular state at the slot 22.
As shown in fig. 5 and 6, the corner plates 13 and the partition plates 14 are single-layer corrugated boards 25; both the battens a21 and B23 are single-ply corrugated board 25.
As shown in fig. 1 and 2, a heat insulating film a24 is adhered to the outside of the two lower large plates 4.
The packaging flow of the invention for frozen products is as follows:
the two lower small plates 3 at the lower end of the box body 1 are folded back, the two lower large plates 4 are folded back and glued, a heat insulation film A24 is stuck on the outer sides of the two lower large plates 4, and a bottom plate 17 is placed at the inner bottom of the box body 1.
An air bag 18 is mounted on the inner walls of the four side plates 2 of the box body 1 through gluing, a layer of tin foil 19 is covered on the outer side of the air bag 18, frozen products are placed into the box body 1, and a grid layer 20 is inserted between each air bag 18 and the frozen products, so that a certain gap is reserved between any two adjacent grid layers 20.
The two upper small plates 5 are folded back, the two upper large plates 6 are folded back and sealed by adhesive tape, and the bonding parts B9 on the two upper large plates 6 are sealed and fixed with the side plates 2 by gluing.
Four ice-loading mechanisms 12 filled with dry ice 16 are respectively inserted into four corners in the box body 1 through four insertion holes 7 on the two upper large plates 6, and the covering film on the gummed paper 15 on each ice-loading mechanism 12 is removed and adhered to the corresponding two side plates 2 and the upper large plates 6 to fix and seal the ice-loading mechanism 12.
The invention has the following principle of cold insulation for frozen products:
the cold air emitted by the dry ice 16 in the four ice-loading mechanisms 12 at four corners in the box body 1 is transmitted to the frozen products through gaps between the grid layers 20 and the grid layers 20 to cool the frozen products, the tinfoil 19 on the four air bags 18 respectively exchanges heat with the dry ice 16 in the ice-loading mechanisms 12 at two sides to obtain cooling, and the cooled tinfoil 19 cools the frozen products through the corresponding grid layers 20. The heat insulating film B29 on the casing 1 and the bottom plate 17 at the bottom inside the casing 1 prevent the cool air in the casing 1 from escaping to some extent.
When the dry ice 16 in the four ice-charging mechanisms 12 is consumed, the four ice-charging mechanisms 12 are pulled out from the insertion holes 7, and after the dry ice 16 is reloaded, the four ice-charging mechanisms are inserted into the box body 1 through the insertion holes 7 again and are sealed and fixed through the gummed paper 15.
After the frozen products are transported to the destination, the two upper large plates 6 are opened from the bending line 10, the two upper small plates 5 are opened, the frozen products are taken out of the box body 1, and the box body 1 from which the frozen products are taken out can be recycled.
In summary, the beneficial effects of the invention are as follows: the box body 1 made of the paper board 25 with the five-layer structure can effectively block the loss of the cold energy in the box body 1, so that the box body 1 has an effective cold insulation function.
According to the invention, the ice loading mechanism 12 capable of replacing the dry ice 16 at any time is arranged in the insertion holes 7 at the four corners of the box body 1, and the ice loading mechanism 12 does not need to open the box body 1 in the process of replacing the dry ice 16, so that the loss of the cooling capacity in the box body 1 is avoided, and the frozen products in the box body 1 are ensured not to be deteriorated in the process of replacing the dry ice 16.
According to the invention, the grid layers 20 separating the frozen products from the air bags 18 on the four side plates 2 and the layout mode among the four grid layers 20 can enable the cold energy emitted by the dry ice 16 in the four ice-loading mechanisms 12 at four corners and the cold energy emitted by the tinfoil 19 paper refrigerated by heat conduction on the air bags 18 to be quickly and effectively transferred to the frozen products in the middle part, so that the temperature in the box body 1 is quickly reduced to the freezing temperature required by the frozen products without deterioration.
Claims (10)
1. A quick-frozen cold-stored packing corrugated container, its characterized in that: the ice box comprises a box body, side plates, a lower small plate, a lower large plate, an upper small plate, an upper large plate, an ice loading mechanism, a bottom plate, an air bag, tin foil and a grid layer, wherein the box body is formed by folding double-layer corrugated structure paper boards in a surrounding mode; the lower end of the box body is closed by two lower small plates and two lower large plates, and the upper end of the box body is closed by two upper small plates and two upper large plates; a bottom plate is arranged at the bottom of the box body; jacks are formed in four corners of the box body on the two upper large plates, and each jack is internally provided with an ice loading mechanism which is used for placing dry ice in the box body and can replace the dry ice; the width of the two upper small plates is smaller than the distance between the two jacks at the corresponding sides, and the two upper large plates are provided with bending lines which do not affect the switch of the upper small plates; an air bag is glued on the inner walls of the four side plates of the box body, and tinfoil which exchanges heat with dry ice is covered outside the air bag; a grid layer is inserted between each air bag and the frozen product in the middle part in the box body, and a gap for releasing cool air from the dry ice in the corresponding ice-filling mechanism to the frozen product is arranged between any two adjacent grid layers.
2. The quick-frozen cold-storage packaging corrugated carton as recited in claim 1, wherein: the cardboard required for manufacturing the box body is of a double-corrugated seven-layer structure consisting of a middle layer, two corrugated layers on two sides of the middle layer, side layers on the outer sides of the two corrugated layers and a heat insulation film B on the outer sides of the two side layers.
3. The quick-frozen cold-storage packaging corrugated carton as recited in claim 1, wherein: the two lower large plates at the lower end of the box body are sealed in a mode of mutual superposition and gluing.
4. The quick-frozen cold-storage packaging corrugated carton as recited in claim 1, wherein: the two upper large plates are sealed by means of mutual overlapping adhesive tape adhesion.
5. The quick-frozen cold-storage packaging corrugated carton as recited in claim 1, wherein: the box cylinder is formed by gluing and surrounding the adhesive part A on one side plate and the adjacent side plate.
6. The quick-frozen cold-storage packaging corrugated carton as recited in claim 1, wherein: two sides of the part where the two jacks are located on the two upper large plates are provided with bonding parts B which are glued with side plates on two adjacent sides.
7. The quick-frozen cold-storage packaging corrugated carton as recited in claim 1, wherein: the ice-filling mechanism comprises a corner plate, partition plates and gummed paper, wherein the corner plate which is equal to the side plate of the box body is internally divided into a plurality of spaces which are distributed up and down and used for placing dry ice by a plurality of partition plates, and gummed paper which is adhered to the corresponding upper large plate and the corresponding two side plates is arranged at the upper end of the corner plate.
8. The quick-frozen cold-storage packaging corrugated carton as recited in claim 1, wherein: the grid layer comprises a strip A and a strip B, wherein a plurality of horizontal strips A which are vertically and uniformly distributed at intervals are uniformly provided with slots at intervals along the horizontal direction, and a plurality of vertical strips B which are horizontally and uniformly distributed at intervals and have the same width as the strip A are uniformly provided with slots at intervals along the vertical direction; the batten A and the batten B are mutually spliced in a mutually perpendicular state at the slot.
9. A quick-frozen cold-storage packaging corrugated carton as claimed in claim 7 or 8, wherein: the corner plates and the partition plates are all single-layer corrugated boards; both the batten A and the batten B are single-layer corrugated boards.
10. The quick-frozen cold-storage packaging corrugated carton as recited in claim 1, wherein: and a heat insulation film A is adhered outside the two lower large plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311454590.0A CN117342135A (en) | 2023-11-03 | 2023-11-03 | Quick-frozen cold-storage packaging corrugated carton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311454590.0A CN117342135A (en) | 2023-11-03 | 2023-11-03 | Quick-frozen cold-storage packaging corrugated carton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117342135A true CN117342135A (en) | 2024-01-05 |
Family
ID=89369163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311454590.0A Pending CN117342135A (en) | 2023-11-03 | 2023-11-03 | Quick-frozen cold-storage packaging corrugated carton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117342135A (en) |
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| CN212149895U (en) * | 2020-04-10 | 2020-12-15 | 平湖市良杰箱包股份有限公司 | Cold-stored heat preservation package |
| CN113320804A (en) * | 2021-04-26 | 2021-08-31 | 赵涛 | Waterproof antibiotic corrugated box |
| CN113525929A (en) * | 2021-07-30 | 2021-10-22 | 陕西保利华英包装有限公司 | Corrugated carton with vacuum storeroom |
| CN216140573U (en) * | 2021-07-30 | 2022-03-29 | 盐城名杰纸品包装有限公司 | A carton for food package |
| CN215973109U (en) * | 2021-09-28 | 2022-03-08 | 惠州城市职业学院(惠州商贸旅游高级职业技术学校) | Litchi transportation is with fresh-keeping case |
| CN218432403U (en) * | 2022-10-25 | 2023-02-03 | 桐城市兄弟食品有限公司 | Transport case is used in quick-freeze food transportation |
| CN218490424U (en) * | 2022-11-02 | 2023-02-17 | 贵阳市女子职业学校(贵阳市综合职业学校、贵阳市旅游服务学校) | Cold-chain logistics box |
| CN219173045U (en) * | 2022-11-25 | 2023-06-13 | 嘉善康力纸制品股份有限公司 | Thermal insulation and refrigeration carton |
| CN218877868U (en) * | 2022-12-09 | 2023-04-18 | 浙江家家棒包装有限公司 | Waterproof corrugated box of prismatic type |
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