CN220866052U - Thermal insulation and anti-freezing bag for food - Google Patents

Abstract

The application relates to a thermal insulation and anti-freezing bag for food, which comprises: a grip portion and a connecting portion contacted by a consumer when in use; the holding part is connected with the connecting part in a sealing way; the holding part comprises a packaging layer for contacting food, a supporting layer, a hollow grid layer for storing air and a protective layer, wherein the supporting layer is connected with the hollow grid layer, and the supporting layer and the hollow grid layer are arranged between the packaging layer and the protective layer so as to reduce the temperature transfer rate between the protective layer and the packaging layer through the hollow grid layer. Because the hollow grid layer stores air in the hollow grid layer through the grid structure, the temperature transfer rate between the protective layer and the packaging layer can be reduced, the phenomenon that a consumer freezes hands when taking is effectively avoided, the phenomenon that the temperature on the hands of the consumer is quickly transferred to internal foods is avoided, and the melting rate of the internal foods is effectively reduced. Namely, the arrangement of the hollow grid layer can effectively reduce the temperature transfer rate, so that the heat-insulating anti-freezing bag for food has better heat-insulating performance.

Description

Thermal insulation and anti-freezing bag for food

Technical Field

The application relates to the technical field of food packaging, in particular to a heat-preservation and anti-freezing bag for food.

Background

The food packaging bag is one of the packaging designs, and is used for conveniently preserving and storing food in life, so that the food packaging bag is produced. The food packaging bag refers to a film container which is directly contacted with food and is used for containing and protecting the food.

Frozen foods such as ice cream, jelly, etc., the package thereof is usually made of plastic products.

But because it needs to put into the refrigerator-freezer and freeze, when taking out, because food packaging bag only plays the sealed effect of packing, the consumer often is comparatively frozen the hand when taking, and the temperature on consumer's hand can be faster to transmit to inside food, leads to inside food's melting rate faster.

Disclosure of utility model

The application provides a heat-insulating anti-freezing bag for food, which aims to solve the problems that a consumer often freezes hands when taking the food and the temperature on the hands of the consumer can be quickly transferred to internal food, so that the melting rate of the internal food is high.

In order to solve the technical problems, the application adopts the following technical scheme:

a thermal insulation antifreeze bag for food, comprising: a grip portion and a connection portion;

the holding part is in sealing connection with the connecting part;

The holding part comprises a packaging layer for contacting food, a supporting layer, a hollow grid layer for storing air and a protective layer, wherein the supporting layer is connected with the hollow grid layer, and the supporting layer and the hollow grid layer are arranged between the packaging layer and the protective layer so as to reduce the temperature transfer rate between the protective layer and the packaging layer through the hollow grid layer.

In one embodiment, the hollow mesh layer is provided as a nonwoven film layer.

In one embodiment, the weight of the nonwoven film layer is set to 20g to 30g.

In one embodiment, the hollow mesh layer is provided as a low density polyethylene foamed film layer.

In one embodiment, the packaging layer is provided as a polyethylene film layer, the support layer is provided as an aluminized film layer, the protective layer is provided as a polyethylene terephthalate film layer, and the support layer is provided as an aluminized film layer.

In one embodiment, the aluminized film layer is provided as a polyethylene terephthalate aluminized film layer.

In one embodiment, the thickness of the protective layer packaging layer is 8 um-18 um, the thickness of the supporting layer is 8 um-18 um, and the thickness of the protective layer packaging layer is 70 um-100 um.

In one embodiment, the connection portion includes a polyethylene film layer, a polyethylene terephthalate aluminized film layer, and a polyethylene terephthalate film layer, an outer side surface of the polyethylene film layer being connected to an inner side surface of the polyethylene terephthalate aluminized film layer, and an outer side surface of the polyethylene terephthalate aluminized film layer being connected to an inner side surface of the polyethylene terephthalate film layer.

In one embodiment, the holding part and the connecting part are connected to form a bag body, a suction nozzle for sucking food is connected to the inner side surface of the bag body in a sealing way, the suction nozzle is partially protruded out of the bag body, and a cover body for sealing the suction nozzle is detachably connected to the suction nozzle.

In one embodiment, the holding part and the connecting part are connected to form a bag body, and a tearing part is arranged on the bag body.

Compared with the prior art, the beneficial effects are that: through the hot pressing combination of the packaging layer, the hollow grid layer, the supporting layer and the protective layer, the food can be packaged by the heat-insulating anti-freezing bag for food, and the packaging and sealing effects are achieved on the food. When the consumer takes out the food heat preservation anti-freezing bag with food from the refrigerator, the hollow grid layer stores air in the hollow grid layer through the grid structure, so that the temperature transfer rate between the protective layer and the packaging layer can be reduced, the phenomenon that the consumer freezes hands when taking is effectively avoided, the fact that the temperature on the hand of the consumer is quickly transferred to internal food is avoided, and the melting rate of the internal food is effectively reduced. Namely, the arrangement of the hollow grid layer can effectively reduce the temperature transfer rate, so that the heat-insulating anti-freezing bag for food has better heat-insulating performance.

Drawings

FIG. 1 is a schematic perspective view of a thermal insulation antifreeze bag for food according to an embodiment of the present application;

FIG. 2 is a schematic view of a partially cut-away structure of a thermal insulation antifreeze bag for food according to an embodiment of the present application;

FIG. 3 is a schematic view showing an exploded structure of a thermal insulation antifreeze bag for food according to an embodiment of the present application;

FIG. 4 is a schematic view showing an exploded structure of a thermal insulation antifreeze bag for food according to an embodiment of the present application;

fig. 5 is a schematic view showing an exploded structure of a thermal insulation antifreeze bag for food according to an embodiment of the present application.

10. A heat-insulating and anti-freezing bag for food; 100. a bag body; 110. a grip portion; 111. packaging layers; 112. a support layer; 113. a hollow grid layer; 114. a protective layer; 120. a connection part; 200. a suction nozzle; 300. and a cover body.

Detailed Description

The technical solution of the present application will be further specifically described below by means of specific embodiments, and with reference to the accompanying drawings, it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

Example 1

As shown in fig. 1 to 3, in the present embodiment, there is provided a thermal insulation antifreeze bag for food, comprising: a grip portion 110 and a connection portion 120; the holding part 110 is connected with the connecting part 120 in a sealing way; the grip part 110 includes a packaging layer 111 for contacting food, a supporting layer 112, a hollow mesh layer 113 for storing air, and a protective layer 114, the supporting layer 112 and the hollow mesh layer 113 are connected, and the supporting layer 112 and the hollow mesh layer 113 are disposed between the packaging layer 111 and the protective layer 114 to reduce a temperature transfer rate between the protective layer 114 and the packaging layer 111 through the hollow mesh layer 113.

Specifically, when the consumer uses the bag body 100 formed by the holding part 110 and the connecting part 120, the holding part 110 is the front and back sides of the bag body 100, the connecting part 120 is the left and right sides of the bag body 100, and the production cost is effectively reduced by arranging the connecting part 120, and the holding part 110 is connected with the connecting part 120 in a hot-pressing sealing manner. The packaging layer 111, the hollow grid layer 113, the supporting layer 112 and the protective layer 114 are connected through hot pressing from inside to outside, and the packaging layer 111, the hollow grid layer 113, the supporting layer 112 and the protective layer 114 are the same in shape, the packaging layer 111 can be in direct contact with food, the hollow grid layer 113 is used for storing air through a grid structure, the supporting layer 112 is used for increasing the overall strength of the thermal insulation anti-freezing bag 10 for food, the protective layer 114 can be used for protecting the hollow grid layer 113, and the service life of the thermal insulation anti-freezing bag 10 for food is prolonged.

Thus, the packaging layer 111, the hollow grid layer 113, the supporting layer 112 and the protective layer 114 are combined by hot pressing, so that the food can be packaged by the heat-insulating and anti-freezing bag 10 for food, and the packaging and sealing effects are achieved on the food. When the consumer takes out the food thermal insulation anti-freezing bag 10 filled with food from the refrigerator, the hollow grid layer 113 stores air in the refrigerator through the grid structure, so that the temperature transfer rate between the protective layer 114 and the packaging layer 111 can be reduced, the hand freezing of the consumer during taking is effectively avoided, the rapid transfer of the temperature on the hand of the consumer to the internal food is avoided, and the melting rate of the internal food is effectively reduced. That is, the hollow grid layer 113 can effectively reduce the temperature transmission rate, so that the heat preservation anti-freezing bag 10 for food obtains better heat preservation performance.

In order to facilitate the use of the hollow mesh layer 113, in the present embodiment, the hollow mesh layer 113 is provided as a nonwoven fabric film layer.

Specifically, the non-woven film layer is internally provided with a grid structure, and air can be effectively stored through the grid structure of the non-woven film layer. Thereby achieving the purpose of reducing the temperature transfer rate.

Further, the weight of the nonwoven fabric film layer is set to 20 g-30 g.

Specifically, for example, the weight of the nonwoven film layer is set to 20g, and for example, the weight of the nonwoven film layer is set to 25g. For another example, the weight of the nonwoven film layer was set to 30g.

To facilitate the use of the packaging layer 111, the support layer 112 and the protective layer 114, in this embodiment, the packaging layer 111 is provided as a polyethylene film layer, the support layer 112 is provided as an aluminized film layer, and the protective layer 114 is provided as a polyethylene terephthalate film layer.

Specifically, the polyethylene film layer has the characteristics of moisture resistance and low moisture permeability, and can be used for containing internal foods and preventing the internal foods from overflowing the bag body 100 in a melted state; the aluminized film layer has excellent barrier properties, effectively extends the shelf life of the internal food product, and facilitates the retention connection of the hollow mesh layer 113. The polyethylene terephthalate film layer is hard, has good rigidity, high strength, toughness and small friction coefficient, and can prevent the bag body 100 from being easily broken under the action of external force.

Further, the aluminized film layer is set as a polyethylene terephthalate aluminized film layer.

Specifically, the polyethylene terephthalate aluminized film layer is hard, has good rigidity, high strength, toughness, small friction coefficient and high dimensional stability, and is convenient for supporting and retaining the hollow grid layer 113.

In order to facilitate the use of the protection layer 114, the supporting layer 112 and the packaging layer 111, in this embodiment, the thickness of the protection layer 114 is 8um to 18um, the thickness of the supporting layer 112 is 8um to 18um, and the thickness of the packaging layer 111 is 70um to 100um.

Specifically, the thickness of the protective layer 114 is 8um, the thickness of the supporting layer 112 is 8um, and the thickness of the packaging layer 111 is 70um. For another example, the thickness of the protective layer 114 is 12um, the thickness of the supporting layer 112 is 12um, and the thickness of the packaging layer 111 is 80um. For another example, the thickness of the protective layer 114 is 13um, the thickness of the supporting layer 112 is 13um, and the thickness of the packaging layer 111 is 85um. For another example, the thickness of the protective layer 114 is 18um, the thickness of the supporting layer 112 is 18um, and the thickness of the packaging layer 111 is 100um.

In order to facilitate the use of the connection portion 120, in the present embodiment, the connection portion 120 includes a polyethylene film layer, a polyethylene terephthalate aluminized film layer, and a polyethylene terephthalate film layer, an outer side surface of the polyethylene film layer is connected to an inner side surface of the polyethylene terephthalate aluminized film layer, and an outer side surface of the polyethylene terephthalate aluminized film layer is connected to an inner side surface of the polyethylene terephthalate film layer.

Specifically, the connection portion 120 is obtained by hot-press-connecting a polyethylene film layer, a polyethylene terephthalate aluminized film layer, and a polyethylene terephthalate film layer, so that the food can be packaged.

In order to increase the practicality of the thermal insulation and freeze protection bag 10 for food, as shown in fig. 1 to 3, in the present embodiment, the holding part 110 and the connecting part 120 are connected to form the bag body 100, the suction nozzle 200 for sucking food is hermetically connected to the inner side surface of the bag body 100, and the suction nozzle 200 is partially protruded from the bag body 100, and the suction nozzle 200 is detachably connected with the cover 300 for sealing the suction nozzle 200.

Specifically, the suction nozzle 200 is thermocompression bonded to the inner side surface of the package layer 111, the suction nozzle 200 communicates with the inside of the pouch body 100, and the inner side surface of the cap 300 is screw-coupled to the outer side surface of the suction nozzle 200. When the cover 300 is opened and the consumer needs to eat the food in the thermal insulation antifreeze bag 10 by providing the mouthpiece 200 and the cover 300, the food in the interior can be sucked out through the mouthpiece 200.

Example 2

This embodiment is a further implementation manner of embodiment 1, in this embodiment: a connection band is provided between the cover 300 and the suction nozzle 200 so that the cover 300 and the suction nozzle 200 remain connected through the connection band after the cover 300 is detached from the suction nozzle 200.

Specifically, the clamping groove is formed in the suction nozzle 200, the connecting belt is sleeved on the side wall of the clamping groove, the length of the connecting belt is correspondingly set, and the connecting belt is used for preventing the cover body 300 from being completely separated from the suction nozzle 200, so that the cover body 300 is prevented from being lost by consumers, and the practicability of the heat-insulation anti-freezing bag 10 for food is effectively improved.

Example 3

This embodiment is similar to embodiment 1, except that: in the present embodiment, the hollow mesh layer 113 is provided as a low-density polyethylene foamed film layer.

Specifically, the low-density polyethylene foamed film layer has a hollow lattice structure, and air can be effectively stored through the lattice structure of the low-density polyethylene foamed film layer. Thereby achieving the purpose of reducing the temperature transfer rate.

Example 4

This embodiment is similar to embodiment 1, except that: in the present embodiment, the packaging layer 111, the supporting layer 112, the hollow mesh layer 113, and the protective layer 114 are thermally press-connected from inside to outside.

Example 5

This embodiment is similar to embodiment 1, except that: as shown in fig. 4, in the present embodiment, the holding portion 110 is formed on both front and rear surfaces of the bag body 100, and the connecting portion 120 is formed on both right and left surfaces and the bottom surface of the bag body 100, thereby forming a self-standing bag.

Example 6

This embodiment is similar to embodiment 1, except that: as shown in fig. 5, in the present embodiment, the holding portion 110 and the connecting portion 120 are connected to form a bag body 100, and a tearing portion is provided on the bag body 100.

Specifically, the holding portion 110 is two planes, the connecting portion 120 is a bottom surface, the tearing portion is arranged at the top corner of the bag body, the tearing portion is arranged as a laser easy-tearing line, and the laser easy-tearing line is formed by adopting a laser semi-penetrating technology so that a consumer can tear the bag body 100 conveniently.

Example 7

This embodiment is similar to embodiment 1, except that: in the present embodiment, the hollow mesh layer 113 is provided as at least two layers.

Example 8

This embodiment is a further implementation manner of embodiment 1, in this embodiment: the outer side surface of the protective layer 114 is provided with a pickup block.

Specifically, the material of the block of taking sets up to rubber, and the shape of the block of taking sets up to semi-circular, is provided with a block of taking on the two sides gripping portion 110 respectively around, through being provided with the block of taking, further prevents to freeze the hand phenomenon.

The thermal insulation performance test was performed on the example 1, the example 3 and the common bag body, wherein the common bag body was obtained by hot press connection of a polyethylene film layer, a polyethylene terephthalate aluminized film layer and a polyethylene terephthalate film layer.

The testing method comprises the following steps:

140ml of water was filled, frozen for 24 hours, and then taken out and placed in an environment at room temperature of 23℃and humidity of 36%, and the temperature change of the water in each bag was measured every other hour.

The measurement results are shown in table 1 below.

As can be seen from table 1, comparing the example 1, the example 3 and the ordinary bag body, it can be seen that the food insulation and freeze protection bag 10 having the hollow mesh layer 112 has slower melting plastic and slower temperature reduction rate of the ice cubes and effectively prevents the hands from being frozen when the ice cubes are taken from the refrigerator to room temperature. The thermal insulation antifreeze bag 10 for food having the hollow mesh layer 112 has better thermal insulation performance than the ordinary bag body.

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent. In addition, it should also be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the present application and the overall thickness, length, width, etc. dimensions of the integrated device shown in the drawings are merely illustrative and should not be construed as limiting the present application in any way.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The same or similar reference numbers in the drawings of embodiments of the application correspond to the same or similar components; in the description of the present application, it should be understood that, if there are orientations or positional relationships indicated by terms "upper", "lower", "left", "right", "long", "short", etc., based on the orientations or positional relationships shown in the drawings, this is merely for convenience in describing the present application and simplifying the description, and is not an indication or suggestion that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and that it is possible for those of ordinary skill in the art to understand the specific meaning of the terms described above according to specific circumstances.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "attached" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the description of the embodiments of the present application, the azimuth or positional relationship indicated by the technical terms "thickness", "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the embodiments of the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the embodiments of the present application.

It is to be understood that the above examples of the present application are provided by way of illustration only and not by way of limitation of the embodiments of the present application. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are desired to be protected by the following claims.

Claims (10)

1. A thermal insulation antifreeze bag for food, comprising: a grip portion (110) and a connection portion (120);

The holding part (110) is connected with the connecting part (120) in a sealing way;

The holding part (110) comprises a packaging layer (111) for contacting food, a supporting layer (112), a hollow grid layer (113) for storing air and a protective layer (114), wherein the supporting layer (112) is connected with the hollow grid layer (113), and the supporting layer (112) and the hollow grid layer (113) are arranged between the packaging layer (111) and the protective layer (114) so as to reduce the temperature transfer rate between the protective layer (114) and the packaging layer (111) through the hollow grid layer (113).

2. The thermal insulation antifreeze bag for food according to claim 1, wherein said hollow mesh layer (113) is provided as a nonwoven film layer.

3. The thermal insulation antifreeze bag for food according to claim 2, wherein the weight of the nonwoven film layer is set to 20g to 30g.

4. The thermal insulation antifreeze bag for food according to claim 1, wherein said hollow mesh layer (113) is provided as a low density polyethylene foamed film layer.

5. The thermal insulation antifreeze bag for food according to claim 1, wherein said packaging layer (111) is provided as a polyethylene film layer, said support layer (112) is provided as an aluminized film layer, and said protective layer (114) is provided as a polyethylene terephthalate film layer.

6. The thermal insulation antifreeze bag of claim 5, wherein said aluminum coated film layer is a polyethylene terephthalate aluminum coated film layer.

7. The thermal insulation and antifreeze bag for food according to claim 1, wherein the thickness of the protective layer (114) is 8um to 18um, the thickness of the supporting layer (112) is 8um to 18um, and the thickness of the packaging layer (111) is 70um to 100um.

8. The thermal insulation antifreeze bag for food according to claim 1, wherein said connection portion (120) comprises a polyethylene film layer, a polyethylene terephthalate aluminized film layer, and a polyethylene terephthalate film layer, an outer side surface of said polyethylene film layer being connected to an inner side surface of said polyethylene terephthalate aluminized film layer, an outer side surface of said polyethylene terephthalate aluminized film layer being connected to an inner side surface of said polyethylene terephthalate film layer.

9. The thermal insulation and freeze protection bag for food according to claim 1, wherein the holding part (110) and the connecting part (120) are connected to form a bag body (100), a suction nozzle (200) for sucking food is connected on the inner side surface of the bag body (100) in a sealing way, the suction nozzle (200) is partially protruded from the bag body (100), and a cover body (300) for sealing the suction nozzle (200) is connected on the suction nozzle (200) in a detachable way.

10. The thermal insulation and freeze protection bag for food according to claim 1, wherein the holding part (110) and the connecting part (120) are connected to form a bag body (100), and a tearing part is provided on the bag body (100).