Freezing preservation bag for frozen food
By introducing a cooling layer and a support layer into the frozen food preservation bag, the problem of food spoilage during frozen transportation is solved by using water to condense into ice for cooling and separating water and ice, thus achieving effective food preservation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HENAN BAOJIALI PACKAGING MATERIALS CO LTD
- Filing Date
- 2025-03-17
- Publication Date
- 2026-04-21
AI Technical Summary
Existing food storage bags cannot effectively cool down food during frozen transport, leading to food spoilage.
A frozen food preservation bag was designed, comprising a cooling layer, a support layer, and a sealing structure. The cooling layer cools the food by condensing water into ice and separates the water and ice through a drainage hole to slow down the melting rate. Meanwhile, the support layer cushions the impact force with support blocks to prevent food damage.
It effectively extends the shelf life of food, prevents food spoilage, and prevents food damage during transportation.
Smart Images

Figure CN224146709U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of frozen food technology, specifically to a frozen food preservation bag. Background Technology
[0002] Packaging bags are bags used to package various goods, facilitating transportation and storage during production and distribution. They are widely used in daily life and industrial production. Food packaging bags, a type of packaging design, refer to thin-film containers that come into direct contact with food and are used to hold and protect it. Food packaging bags can be classified according to their application: ordinary food packaging bags, vacuum food packaging bags, gas-filled food packaging bags, boilable food packaging bags, retort pouch food packaging bags, and functional food packaging bags.
[0003] Existing food storage bags simply wrap food and freeze it in a freezer. They are then removed for transportation. However, these bags cannot cool the food during transport, leading to spoilage. Therefore, there is an urgent need for a new type of frozen food storage bag to address these issues. Utility Model Content
[0004] The purpose of this invention is to at least solve one of the aforementioned technical defects.
[0005] Therefore, one objective of this utility model is to provide a frozen food preservation bag to solve the problems mentioned in the background art and overcome the shortcomings of the existing technology.
[0006] To achieve the above objectives, one embodiment of this utility model provides a frozen food preservation bag, comprising an inner layer, a cooling layer on the outer surface of the inner layer, a heat insulation layer on the outer surface of the cooling layer, a support layer on the outer surface of the heat insulation layer, an outer layer on the outer surface of the support layer, a connecting plate on the top of the inner layer, a handle inside the connecting plate, a first connector on one side of the connecting plate, a second connector on one side of the inner layer, a plastic plate on one side of the connecting plate, a storage groove inside the plastic plate, and a fixing plate at the bottom of the outer layer.
[0007] The present invention is further configured such that: a support plate is provided inside the cooling layer, a cooling chamber is provided at the top of the support plate, a water storage chamber is provided at the bottom of the support plate, a support column is provided inside the water storage chamber, and a guide plate is provided at the top of the support column.
[0008] By adopting the above technical solutions, food can be cooled down.
[0009] The present invention is further configured such that: a water leakage hole is provided inside the support plate; the support plate is fixedly connected to the cooling layer; and the two sides of the guide plate are located on the same vertical line as one side of the support plate.
[0010] By adopting the above technical solution, water and ice can be separated.
[0011] The present invention is further configured such that: a water inlet is provided at the bottom of the water storage tank, a connecting pipe is provided at the bottom of the water inlet, the water storage tank is connected to the fixed plate through the connecting pipe, and a plug is provided inside the connecting pipe.
[0012] By adopting the above technical solution, water can be injected into the interior of the cooling layer.
[0013] The present invention is further configured such that: a first support block is provided inside the support layer, a second support block is provided on one side of the first support block, and through holes are provided inside both the first support block and the second support block.
[0014] By adopting the above technical solution, the impact force can be buffered.
[0015] The present invention is further configured such that: a protrusion is provided on one side of the first connector, and a groove is provided on one side of the second connector, the groove being adapted to the protrusion, and the protrusion engaging with the groove.
[0016] By adopting the above technical solution, the food storage bag can be sealed.
[0017] In summary, the beneficial technical effects of this utility model are as follows:
[0018] 1. This frozen food preservation bag is equipped with a cooling layer. Water can be injected into the interior of the cooling layer through a connecting pipe. The water can be frozen into ice, thereby cooling the food during transportation. The melted ice water can be drained through the drainage hole, thereby slowing down the melting rate of the ice, extending the shelf life of the food, and preventing food spoilage.
[0019] 2. The frozen food preservation bag is equipped with a support layer. By squeezing and deforming the first support block and the second support block against each other, the impact force can be buffered, thereby preventing food damage.
[0020] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0021] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:
[0022] Figure 1 This is a schematic diagram of the structure of this utility model;
[0023] Figure 2 This is a schematic diagram of the structure of the connecting plate of this utility model;
[0024] Figure 3 This is a schematic diagram of the support layer structure of this utility model;
[0025] Figure 4 This is a schematic diagram of the cooling layer structure of this utility model;
[0026] Figure 5 This is a schematic diagram of the structure of the water storage tank of this utility model;
[0027] Figure 6 This is a structural schematic diagram of the first connecting member of this utility model;
[0028] Figure 7 This is a structural schematic diagram of the second connecting member of this utility model.
[0029] In the diagram: 1. Inner layer; 2. Cooling layer; 3. Insulation layer; 4. Support layer; 5. Outer layer; 6. Connecting plate; 7. Handle; 8. First connector; 9. Second connector; 10. Plastic plate; 11. Storage slot; 12. Fixing plate; 13. Support plate; 14. Cooling chamber; 15. Water storage chamber; 16. Support column; 17. Guide plate; 18. Drain hole; 19. Water inlet; 20. Connecting pipe; 21. Plug; 22. First support block; 23. Second support block; 24. Through hole; 25. Protrusion; 26. Groove. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model. Example 1
[0031] Reference Figure 1 , Figure 2 and Figure 3This utility model discloses a frozen food preservation bag, including an inner layer 1, a cooling layer 2 on the outer surface of the inner layer 1 (in this embodiment, the cooling layer 2 is fixedly connected to the inner layer 1 and can cool the food), an insulation layer 3 on the outer surface of the cooling layer 2, a support layer 4 on the outer surface of the insulation layer 3 to buffer impact force, an outer layer 5 on the outer surface of the support layer 4, a connecting plate 6 on the top of the inner layer 1, a handle 7 inside the connecting plate 6, a first connector 8 on one side of the connecting plate 6 and fixedly connected to the connecting plate 6, a second connector 9 on one side of the inner layer 1 and fixedly connected to the inner layer 1, a plastic plate 10 on one side of the connecting plate 6 (made of transparent material), a storage slot 11 inside the plastic plate 10 for inserting labels, and a fixing plate 12 at the bottom of the outer layer 5 and fixedly connected to the outer layer 5.
[0032] Reference Figure 1 , Figure 3 , Figure 4 and Figure 5 The cooling layer 2 has a support plate 13 inside, which supports the ice in this embodiment. A cooling chamber 14 is located at the top of the support plate 13, and a water storage chamber 15 is located at the bottom to store the water from the melting ice. A support column 16 is fixedly connected to the water storage chamber 15 inside, and a guide plate 17 is fixedly connected to the top of the support column 16 to cool the food, thereby extending its shelf life and preventing spoilage. Drainage holes 18 are provided inside the support plate 13 to allow water to pass through. The support plate 13 is fixed to the cooling layer 2. The connection is such that the two sides of the guide plate 17 and one side of the support plate 13 are on the same vertical line, which can separate water and ice, thereby slowing down the melting rate of ice, further extending the food's shelf life, and preventing food spoilage. The bottom of the water storage tank 15 is provided with a water inlet 19, and the bottom of the water inlet 19 is provided with a connecting pipe 20. The water storage tank 15 is connected to the fixed plate 12 through the connecting pipe 20. The inside of the connecting pipe 20 is provided with a plug 21, which is inserted into the connecting pipe 20, so that water can be injected into the interior of the cooling layer 2, thereby cooling the food, extending the food's shelf life, and preventing food spoilage.
[0033] Reference Figures 1 to 7The support layer 4 has a first support block 22 inside. In this embodiment, the first support block 22 is fixedly connected to the support layer 4. A second support block 23 is provided on one side of the first support block 22 and is fixedly connected to the support layer 4. Both the first support block 22 and the second support block 23 are made of elastic material and can deform. Both the first support block 22 and the second support block 23 have through holes 24 inside to provide space for deformation, thereby buffering the impact force and preventing food damage. A protrusion 25 is provided on one side of the first connector 8 and is fixedly connected to the first connector 8. A groove 26 is provided on one side of the second connector 9. The groove 26 is adapted to the protrusion 25 and the protrusion 25 is engaged with the groove 26 to seal the food bag, thereby extending the food preservation time and preventing food spoilage.
[0034] The implementation principle of this embodiment is as follows:
[0035] This frozen food preservation bag is equipped with a cooling layer 2. When using the device, the user pulls out the plug 21 and connects the connecting pipe 20 to an external water source, allowing water to flow into the water storage tank 15. Subsequently, the water flows through the guide plate 17 and the drain hole 18 into the cooling layer 2. When the cooling layer 2 is full of water, the user stops adding water and inserts the plug 21 to seal the connecting pipe 20. Then, the user puts the preservation bag into the refrigerator, and the water in the cooling layer 2 will freeze into ice.
[0036] When food needs to be transported, the user takes out the freezer bag and puts the food inside. Then, the first connector 8 is inserted into the second connector 9. Since the first connector 8 has a protrusion 25 on one side and the second connector 9 has a groove 26 inside, the protrusion 25 can be inserted into the groove 26, thereby sealing the freezer bag. During transportation, the first support block 22 and the second support block 23 can deform by pressing against each other, thereby buffering the impact and preventing food damage. The ice in the cooling layer 2 will gradually melt into water, and the melted water can enter the water storage tank 15 through the drainage hole 18 inside the support plate 13, thereby separating the water from the ice, slowing down the melting rate of the ice, extending the food's shelf life, and preventing food spoilage.
[0037] Compared with the prior art, the present invention has the following advantages:
[0038] 1. The frozen food preservation bag is equipped with a cooling layer 2. Water can be injected into the interior of the cooling layer 2 through the connecting pipe 20. The water can be frozen into ice, thereby cooling the food during transportation. The melted ice water can be drained through the drainage hole 18, thereby slowing down the melting rate of the ice, extending the food's shelf life, and preventing food spoilage.
[0039] 2. The frozen food preservation bag is provided with a support layer 4. The first support block 22 and the second support block 23 squeeze and deform against each other, which can buffer the impact force and thus prevent food damage.
[0040] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.
Claims
1. A frozen food freezer bag characterized by: The inner layer (1) is provided with a cooling layer (2) on its outer surface, a heat insulation layer (3) on its outer surface, a support layer (4) on its outer surface, an outer layer (5) on its outer surface, a connecting plate (6) on the top of the inner layer (1), a handle (7) inside the connecting plate (6), a first connector (8) on one side of the connecting plate (6), a second connector (9) on one side of the inner layer (1), a plastic plate (10) on one side of the connecting plate (6), a storage slot (11) inside the plastic plate (10), and a fixing plate (12) at the bottom of the outer layer (5).
2. A frozen food freezing and fresh keeping bag according to claim 1, characterized in that: The cooling layer (2) is provided with a support plate (13) inside, a cooling chamber (14) is provided on the top of the support plate (13), a water storage chamber (15) is provided at the bottom of the support plate (13), a support column (16) is provided inside the water storage chamber (15), and a guide plate (17) is provided on the top of the support column (16).
3. A frozen food freezing and fresh keeping bag according to claim 2, characterized in that: The support plate (13) has a water leakage hole (18) inside. The support plate (13) is fixedly connected to the cooling layer (2). The two sides of the guide plate (17) and one side of the support plate (13) are on the same vertical line.
4. A frozen food freezing and fresh keeping bag according to claim 2, characterized in that: The water storage tank (15) has an inlet (19) at the bottom, and a connecting pipe (20) is provided at the bottom of the inlet (19). The water storage tank (15) is connected to the fixed plate (12) through the connecting pipe (20), and a plug (21) is provided inside the connecting pipe (20).
5. A frozen food freezing and fresh keeping bag according to claim 1, characterized in that: The support layer (4) has a first support block (22) inside, and a second support block (23) is provided on one side of the first support block (22). Both the first support block (22) and the second support block (23) have through holes (24) inside.
6. A frozen food freezing and preservative bag according to claim 1, characterized in that: The first connector (8) has a protrusion (25) on one side, and the second connector (9) has a groove (26) on one side. The groove (26) is adapted to the protrusion (25), and the protrusion (25) and the groove (26) are engaged.