Carton with heat preservation and fresh-keeping structure

By designing cartons with snap-in connection and sliding connection structures, using waterproof layer, foam cardboard and other components, the existing cartons have short shelf life and easy damage when transporting fresh fruits, achieving the effect of extending shelf life and avoiding collision and damage.

CN222664154UActive Publication Date: 2025-03-25WUHU CHANGLI PACKAGING CO LTD
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Patent Information

Application Number
CN202421438536.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-25
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

When transporting fresh fruits, existing cartons can easily reduce the shelf life of the items due to rising temperatures, and multiple fresh fruits can easily bump into each other and cause damage, affecting the quality of transportation and storage.

Method used

A carton with a thermal insulation and fresh-keeping structure is designed, adopting a snap-fit ​​connection structure and a sliding connection structure, including a waterproof layer, foam cardboard, limit blocks, partition boards and protective panels. Through the combination of these components, the preservation and separation protection of items in the carton are achieved.

Benefits of technology

The shelf life of fresh fruits is extended, the damage caused by bumps during transportation is avoided, and the quality of transportation and storage is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of packaging cartons, and particularly relates to a carton with a heat preservation and freshness retaining structure, which comprises a carton body, a first clamping block connected to the top surface of the carton body in a clamping manner, a waterproof layer transversely connected to the surface of the first clamping block in a penetrating manner, a first sliding block slidably connected to the inner wall surface of the carton body, and a foam paperboard fixedly connected to the surface of the first sliding block. The surface of the bottom of the foam paperboard is connected with a limiting block, the surface of the limiting block is connected to the surface of the inner wall of the carton body in a clamped mode, the surface of the top of the foam paperboard is connected with a second clamping block in a clamped mode, and the surface of the second clamping block is connected with a cover plate. And the interior of the carton body is subjected to fresh-keeping protection, so that the fresh-keeping period of fresh water placed in the carton body can be prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of packaging cartons, and in particular relates to a carton with a heat-insulating and fresh-keeping structure. Background Art

[0002] Cartons are one of the most widely used daily necessities in daily life. People often don't realize that they use a lot of cartons, but cartons are indeed widely used in various fields, especially in the transportation industry, and their usage has always been the first among various packaging products. With the development of e-commerce, online shopping has become a normal part of people's daily lives, and the development of the express delivery industry has followed. Then the demand for cartons used for packaging has increased day by day. Among them, the "a kind of heat-insulating and fresh-keeping carton" disclosed in the application number "CN202122805366.4" is also an increasingly mature technology. When it is necessary to use cartons to package items, the items that need to be packaged and transported are placed in the carton for packaging to facilitate subsequent transportation. However, the device also has the following defects: However, when the above-mentioned equipment is in use, the existing cartons can only transport conventional items. When fresh fruit items need to be transported, the shelf life of the items is easily reduced due to the increase in temperature. When multiple fresh fruits are placed in the existing cartons, they are easy to bump into each other during transportation and cause damage, resulting in excessive loss of fresh fruits, affecting the quality of transportation and preservation. Utility Model Content

[0003] The utility model aims to provide a carton with a heat-insulating and fresh-keeping structure, aiming to solve the problem in the prior art that when the above-mentioned equipment is in use, the existing carton can only transport conventional items, and when fresh fruit items need to be transported, the shelf life of the items is easily reduced due to the increase in temperature, and when multiple fresh fruits are placed in the existing carton, they are easily damaged by collision during transportation, resulting in excessive loss of fresh fruits and affecting the quality of transportation and preservation.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a carton with a heat-insulating and fresh-keeping structure, comprising: a carton body, the top surface of the carton body is snap-connected to a first block, the surface of the first block is transversely penetrated and connected to a waterproof layer, the inner wall surface of the carton body is slidably connected to a first slider, the surface of the first slider is fixedly connected to a foam cardboard, the bottom surface of the foam cardboard is connected to a limit block, the surface of the limit block is snap-connected to the inner wall surface of the carton body, the top surface of the foam cardboard is snap-connected to a second block, and the surface of the second block is connected to a cover plate.

[0005] In order to utilize the first clamping block to fix the connection between the carton body and the waterproof layer, as a carton with a heat-insulating and fresh-keeping structure of the utility model, the carton body, the first clamping block and the waterproof layer form a clamping connection structure.

[0006] In order to facilitate the installation of foam cardboard to keep the items inside fresh by sliding the first slider on the surface of the carton body, the utility model provides a carton with a heat-insulating and fresh-keeping structure. The carton body, the first slider and the foam cardboard form a sliding connection structure, the carton body, the foam cardboard and the limit block form a snap-fit ​​connection structure, and the foam cardboard, the second block and the cover plate form a snap-fit ​​connection structure.

[0007] In order to utilize the second slider to be slidably connected to the slide groove at the corresponding position to divide the space inside the carton body, as a carton with a heat-insulating and fresh-keeping structure of the utility model, the surface of the foam cardboard is provided with a slide groove, the surface of the slide groove is slidably connected to the second slider, the surface of the second slider is connected to the partition plate, the surface of the partition plate is provided with a card slot, the surface of the card slot is engaged and connected to the protective plate, the bottom surface of the protective plate abuts the foam cardboard, the surface of the carton body is fixedly connected to the fixed block, the surface of the fixed block is horizontally penetrated by the connecting shaft, and the surface of the rotating shaft is horizontally penetrated by the connecting handle.

[0008] In order to use the second slider to slide in the slide groove at the corresponding position to separate the environment inside the carton body according to needs and use the protective plate to separate and protect the remaining space, as a carton with a heat-insulating and fresh-keeping structure of the utility model, seven groups of slide grooves are evenly spaced on the surface of the foam cardboard, and the foam cardboard, the slide groove, the second slider and the partition plate form a sliding connection structure. The convex blocks on the surface of the protective plate are rectangular blocks with semicircular rubber blocks connected on both sides, and the shape and size are consistent with the card slot.

[0009] In order to utilize the connected rotating shaft to facilitate the handle to rotate on the fixed block so as to facilitate lifting the handle to move the carton body, as a carton with a heat-insulating and fresh-keeping structure of the utility model, the fixed block, the rotating shaft and the handle form a rotating connection structure.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1) The waterproof layer abutting against the surface of the carton body and the foam paperboard slidably connected to the inner wall of the carton body are used to protect the carton body, so that the fresh water placed therein can extend the shelf life;

[0012] 2) By using multiple slide grooves on the foam cardboard, the partition plate can divide the space in the carton body according to the type of items to be placed. At the same time, the protective plate is engaged in the slot at the corresponding position to facilitate the separation and protection of each item placed in the carton body to avoid bumps and damage during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;

[0017] Figure 4 It is a schematic diagram of the enlarged structure of the first clamping block and the rotating shaft of the utility model;

[0018] Figure 5 For the utility model Figure 3 A schematic diagram of the enlarged structure of part A.

[0019] In the figure: 1. Carton body; 2. First clamping block; 3. Waterproof layer; 4. First slider; 5. Foam cardboard; 6. Limit block; 7. Second clamping block; 8. Cover plate; 9. Slide groove; 10. Second slider; 11. Partition plate; 12. Slot; 13. Protective plate; 14. Fixed block; 15. Rotating shaft; 16. Handle. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 The utility model provides the following technical solutions: a carton with a heat preservation and fresh-keeping structure, comprising: a carton body 1, the top surface of the carton body 1 is snap-connected with a first card block 2, the surface of the first card block 2 is horizontally penetrated and connected with a waterproof layer 3, the inner wall surface of the carton body 1 is slidably connected with a first slider 4, the surface of the first slider 4 is fixedly connected with a foam cardboard 5, the bottom surface of the foam cardboard 5 is connected with a limit block 6, the surface of the limit block 6 is snap-connected with the inner wall surface of the carton body 1, the top surface of the foam cardboard 5 is snap-connected with a second card block 7, and the surface of the second card block 7 is connected with a cover plate 8.

[0022] Preferably, the carton body 1, the first clamping block 2 and the waterproof layer 3 form a clamping connection structure.

[0023] When in use, the waterproof layer 3 is slidably abutted against the surface of the carton body 1 , and the first clamping block 2 is penetrated through the waterproof layer 3 and clamped on the carton body 1 to fix the connection between the carton body 1 and the waterproof layer 3 .

[0024] Preferably: the carton body 1, the first slider 4 and the foam paperboard 5 form a sliding connection structure, the carton body 1, the foam paperboard 5 and the limit block 6 form a snap connection structure, and the foam paperboard 5, the second block 7 and the cover plate 8 form a snap connection structure.

[0025] During specific use, the first slider 4 slidably connected to the inner wall surface of the carton body 1 causes the foam cardboard 5 to be slidably connected to the inner wall of the carton body 1, and at the same time, the limit block 6 connected to the bottom surface of the foam cardboard 5 is snap-fitted and fixed in the groove at the bottom of the inner wall of the carton body 1 to fix the connection between the carton body 1 and the foam cardboard 5, and the waterproof layer 3 on the surface of the carton body 1 and the foam cardboard 5 inside are used to preserve and protect the items placed therein.

[0026] Preferably: a slide groove 9 is provided on the surface of the foam cardboard 5, the surface of the slide groove 9 is slidably connected to the second slider 10, the surface of the second slider 10 is connected to the partition plate 11, the surface of the partition plate 11 is provided with a slot 12, the surface of the slot 12 is engaged and connected to the protective plate 13, the bottom surface of the protective plate 13 abuts the foam cardboard 5, the surface of the carton body 1 is fixedly connected to the fixed block 14, the surface of the fixed block 14 is transversely penetrated by the connecting shaft 15, and the surface of the rotating shaft 15 is transversely penetrated by the connecting handle 16.

[0027] During specific use, the second slider 10 is slidably connected to the slide groove 9 at the corresponding position opened on the surface of the foam cardboard 5 to separate the space in the carton body 1, and then the protective plate 13 is snap-connected to the slot 12 at the corresponding position on the surface of the partition plate 11 to separate and protect each object.

[0028] Preferably, seven groups of slide grooves 9 are arranged at equal intervals on the surface of the foam cardboard 5; the foam cardboard 5, the slide grooves 9, the second slider 10 and the partition plate 11 form a sliding connection structure; the convex blocks on the surface of the protective plate 13 are rectangular blocks with semicircular rubber blocks connected on both sides and the shape and size are consistent with the card slot 12.

[0029] During specific use, the second slider 10 is slidably connected to the slide groove 9 at the corresponding position opened on the surface of the foam cardboard 5 to separate the space in the carton body 1, and then the protective plate 13 is snap-connected to the slot 12 at the corresponding position on the surface of the partition plate 11 to separate and protect each object.

[0030] Preferably, the fixing block 14, the rotating shaft 15 and the handle 16 form a rotating connection structure.

[0031] When in use, the handle 16 is held and the connected rotating shaft 15 is used to rotate on the fixed block 14 so that the carton body 1 is lifted by the handle 16 to be carried.

[0032] Working principle: When fresh food is packaged and transported in cartons, the waterproof layer 3 is slidably abutted against the surface of the carton body 1, and the first clamping block 2 is penetrated through the waterproof layer 3 and clamped on the carton body 1 to fix the connection between the carton body 1 and the waterproof layer 3. At the same time, the first slider 4 slidably connected to the inner wall surface of the carton body 1 makes the foam cardboard 5 slidably connected to the inner wall of the carton body 1. At the same time, the limiting block 6 connected to the bottom surface of the foam cardboard 5 is clamped and fixed in the groove at the bottom of the inner wall of the carton body 1 to fix the connection between the carton body 1 and the foam cardboard 5. The waterproof layer 3 on the surface of the carton body 1 and the foam cardboard 5 inside are used to preserve and protect the items placed therein, so that the fresh-keeping period of the fresh food placed therein is extended. At the same time, according to the needs According to the size of the items to be placed, the second slider 10 is slidably connected to the slide groove 9 at the corresponding position on the surface of the foam cardboard 5 to facilitate the separation of the space in the carton body 1, and then the protective plate 13 is snap-connected to the slot 12 at the corresponding position on the surface of the partition plate 11 to facilitate the separation and protection of each object to avoid collision and damage during transportation. After placing the items, the second card block 7 is snap-connected to the foam cardboard 5 to facilitate the connection between the foam cardboard 5 and the cover plate 8. After the carton body 1 is covered and packaged, the handle 16 is held and the connected rotating shaft 15 is used to rotate on the fixed block 14 so as to hold the handle 16 to lift the carton body 1 for transportation. This is the characteristic of a carton with a heat-insulating and fresh-keeping structure.

[0033] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A carton with a heat preservation and fresh-keeping structure, comprising: A carton body (1), characterized in that: the top surface of the carton body (1) is snap-connected to a first card block (2), the surface of the first card block (2) is laterally penetrated and connected to a waterproof layer (3), the inner wall surface of the carton body (1) is slidably connected to a first slider (4), the surface of the first slider (4) is fixedly connected to a foam paperboard (5), the bottom surface of the foam paperboard (5) is connected to a limit block (6), the surface of the limit block (6) is snap-connected to the inner wall surface of the carton body (1), the top surface of the foam paperboard (5) is snap-connected to a second card block (7), and the surface of the second card block (7) is connected to a cover plate (8).

2. A carton with a heat preservation and fresh-keeping structure according to claim 1, characterized in that: The carton body (1), the first clamping block (2) and the waterproof layer (3) form a clamping connection structure.

3. The carton with heat preservation and fresh-keeping structure according to claim 1, characterized in that: The carton body (1), the first sliding block (4) and the foam paperboard (5) form a sliding connection structure, the carton body (1), the foam paperboard (5) and the limiting block (6) form a snap-fit ​​connection structure, and the foam paperboard (5), the second snap-fit ​​block (7) and the cover plate (8) form a snap-fit ​​connection structure.

4. The carton with a heat preservation and fresh-keeping structure according to claim 1, characterized in that: The surface of the foam paperboard (5) is provided with a slide groove (9), the surface of the slide groove (9) is slidably connected to a second slider (10), the surface of the second slider (10) is connected to a partition plate (11), the surface of the partition plate (11) is provided with a card slot (12), the surface of the card slot (12) is snap-connected to a protective plate (13), the bottom surface of the protective plate (13) abuts against the foam paperboard (5), the surface of the carton body (1) is fixedly connected to a fixed block (14), the surface of the fixed block (14) is transversely penetrated by a connecting shaft (15), and the surface of the connecting shaft (15) is transversely penetrated by a connecting handle (16).

5. A carton with a heat preservation and fresh-keeping structure according to claim 4, characterized in that: The surface of the foam paperboard (5) is provided with seven groups of slide grooves (9) at equal intervals. The foam paperboard (5), the slide grooves (9), the second slider (10) and the partition plate (11) form a sliding connection structure. The protrusions on the surface of the protective plate (13) are rectangular blocks with semicircular rubber blocks connected on both sides, and the shape and size are consistent with the card slots (12).

6. The carton with a heat preservation and fresh-keeping structure according to claim 4, characterized in that: The fixed block (14), the rotating shaft (15) and the handle (16) form a rotating connection structure.

Citation Information

Patent Citations

  • Heat-preservation and fresh-keeping type carton

    CN216234003U