CN217125617U

CN217125617U - Magnetic type heat-insulation bag

Info

Publication number: CN217125617U
Application number: CN202220368881.2U
Authority: CN
Inventors: 王翠玲; 徐美珍; 陈锦才
Original assignee: Xiamen Jinbohui Technology Co ltd
Current assignee: Xiamen Jinbohui Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-08-05
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses a magnetic-suction type heat-preservation bag, which comprises a bag body and a sealing device combined on the bag body, wherein the bag body is provided with a heat-preservation layer, the sealing device comprises a connecting part and a sealing part, the connecting part is combined with the bag body and defines an opening for taking and placing articles; wherein the sealing part is arranged at the opening edge of the opening and combined with the connecting part; the sealing part is provided with: at least two opposing sealing strips that can be attached to each other to close the opening; the sealing part is configured to prevent heat exchange between the inside of the bag body and the outside at the opening to maintain the internal temperature of the bag body in a state where the at least two opposite sealing strips are attached to each other. The utility model discloses opening part at the insulated bag has reliability high seal structure, can show the heat preservation effect that improves the insulated bag to can prevent that liquid from leaking outward.

Description

Magnetic type heat-insulation bag

Technical Field

The utility model relates to a heat preservation package technical field specifically is a formula insulated bag is inhaled to effectual magnetism that keeps warm.

Background

The thermal insulation bag is a packaging tool with high thermal insulation and constant temperature effects (with the effects of being warm in winter and cool in summer), is mainly used in the fields of cold insulation, thermal insulation and fresh keeping, is convenient for storage and transportation of frozen foods and fresh foods, is a bag for containing various foods and keeping the temperature and freshness of the foods, can be used for thermal insulation and refrigeration, and can be used for placing low-temperature articles such as ice blocks, cold drinks and the like, so that the thermal insulation and cold insulation are the most basic functions of the thermal insulation bag. The box bag can be used for containing various foods and keeping the temperature and the freshness of the foods in outdoor picnic or daily life, so that heat preservation and cold preservation are the most basic functions of the heat preservation bag, heat preservation can be effectively realized, the foods are prevented from being directly exposed in the air, and the box bag is clean and sanitary.

The insulated bag needs to seal the heat preservation chamber, and current insulated bag mainly plays to seal the sealed effect by rope, buckle or zip fastener, because the operation is frequent, damages easily, operates inconveniently.

Therefore, there is a need for a sealing structure thermal bag with more convenient operation and more stable performance.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a purpose is through the structural optimization to magnetism formula insulated bag, can show the heat preservation effect and the sealed effect that improve the insulated bag.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a formula insulated bag is inhaled to magnetism, includes the bag body and combines the closing device on the bag body, and the bag body has the heat preservation, and the closing device includes connecting portion and sealing, and connecting portion combine the bag body to inject and be used for getting the opening of putting article. Wherein, the sealing part is arranged at the opening edge of the opening and is combined with the connecting part. The sealing part is provided with: at least two opposing sealing strips that can be attached to each other to close the opening; and at least two groups of magnets which are respectively embedded in the at least two opposite sealing strips and can attract each other so that the two opposite sealing strips are mutually attached. The sealing part is configured to prevent heat exchange between the inside of the bag body and the outside at the opening to maintain the internal temperature of the bag body and prevent liquid leakage in a state where the at least two opposite sealing strips are bonded to each other.

Preferably, the sealing portion is bonded to the outer connecting sheet.

Further, the at least two opposed sealing strips comprise a first sealing strip and a second sealing strip, and the at least two groups of magnets comprise a first magnet group and a second magnet group; the first magnet group is embedded in the first sealing strip, and the second magnet group is embedded in the second sealing strip; the first magnet group and the second magnet group are configured to attract each other.

Preferably, the first sealing strip and the second sealing strip are both silica gel strips or TPU strips.

Furthermore, the first magnet group is provided with a plurality of magnets which are uniformly distributed on the first sealing strip; the second magnet group is provided with a plurality of magnets which are uniformly distributed on the second sealing strip. The magnetic poles of two adjacent magnets in the plurality of magnets on the first sealing strip are arranged in opposite directions, and the magnetic poles of two adjacent magnets in the plurality of magnets on the second sealing strip are also arranged in opposite directions.

Further, the first sealing strip and the second sealing strip are both bonded on the connecting portion, and both form a seal with the connecting portion. The bag body comprises an outer layer and an inner layer, and the heat-insulating layer is arranged between the inner layer and the outer layer. The connecting portion includes an inner connecting piece and an outer connecting piece, wherein the inner connecting piece is combined with the inner layer, and the outer connecting piece is combined with the outer layer. The inner connecting sheet is combined with the outer connecting sheet at a position below the sealing part.

Further, the connecting portion includes a split holder configured to be capable of being elastically bent.

Preferably, the opening holder is an opening holder fixedly attached to the outer connecting piece.

When the two sealing strips are combined together, the polarities of the corresponding magnet blocks in the two sealing strips are opposite. The magnets N, S arranged in the sealing strips are arranged in a staggered mode, and the distance between the magnets on each sealing strip is 10 mm-40 mm.

Compared with the prior art, the utility model discloses beneficial effect as follows: through the sealing device with the structure, the opening of the heat-insulating bag can be firmly sealed by a simple structure, the cold quantity or heat quantity in the bag body is effectively prevented from leaking, the temperature of articles in the bag can be kept for a longer time, and the liquid can be prevented from leaking from the opening. In order to further increase the sealing performance of the sealing device, a plurality of magnets which attract each other are arranged in the sealing device, and the polarities of the adjacent magnets are opposite, so that the overall attraction force of the magnets is increased.

In addition, because the opening retaining piece capable of increasing the opening degree of the opening of the heat preservation bag is arranged in the connecting part, a user can conveniently and quickly put in or take out articles so as to reduce the heat loss generated in the transfer process, and meanwhile, the opening and the closing of the opening can be more smooth.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of a closed state of a magnetic-type thermal bag according to an embodiment.

FIG. 2 is a schematic view of an open body of the magnetic-type thermal bag according to the first embodiment.

FIG. 3 is a schematic diagram of a longitudinal section of a magnetic-type thermal bag according to an embodiment.

FIG. 4 is a cross-sectional view of a magnetic-type thermal bag according to an embodiment.

FIG. 5 is an enlarged view of a portion A of FIG. 4 according to an embodiment.

FIG. 6 is a schematic structural view of a seal strip according to the first embodiment.

FIG. 7 is a schematic view showing a change in shape of the split holder according to the first embodiment.

1. A sealing device; 2. a bag body; 3. a connecting portion; 4. a sealing part; 5. an opening holder; 6. a first seal strip; 7. a first magnet group; 8. an inner layer; 9. an outer layer; 10. a heat-insulating layer; 11. a heat preservation cavity; 12. an outer connecting sheet; 13. an inner connecting piece; 14. a second seal strip; 15. a second magnet group; 16. a groove; 18. and (4) opening.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used only to indicate relative positional relationships that may change when the absolute position of an object being described changes, and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Referring to fig. 1, a schematic diagram of a closed state of a magnetic-suction type thermal insulation bag includes a bag body 2 and a sealing device 1 combined on the bag body 2, wherein the bottom of the bag body 2 is a plane, and when the mouth is closed, the sealing device 1 seals an upper opening of the bag body 2 to prevent heat leakage and liquid leakage.

Referring to fig. 2, the opening state of the magnetic-type thermal bag is schematically illustrated, and the sealing device 1 includes a connecting portion 3 and a sealing portion 4, wherein the connecting portion 3 is combined with the bag body 2 and defines an opening 18 for taking and placing articles. The sealing part 4 is disposed at the edge of the opening 18 and is coupled to the connecting part 3. Not only can ensure flexible opening and closing, but also can ensure the tightness of closing. Specifically, the connection portion 3 and the bag body 2 are integrally joined. In other ways, the two may be sewn together by sewing.

Referring to fig. 3, 4 and 5, the bag body 2 has an insulating layer 10, the sealing portion 4 has a first sealing strip 6 and a second sealing strip 14, which can be attached to each other to seal the opening 18 of the insulating bag, and the first sealing strip 6 and the second sealing strip 14 are made of silicone rubber, or made of other flexible materials with sealing performance. The sealing portion 4 also has a first magnet group 7 and a second magnet group 15 embedded in the first sealing tape 6 and the second sealing tape 14, respectively, and can be attracted to each other so that the first sealing tape 6 and the second sealing tape 14 are attached to each other. The sealing portion 4 is configured to prevent heat exchange between the inside of the bag body 2 and the outside at the opening 18 to maintain the internal temperature of the bag body 2 in a state where the at least two opposing seal strips are bonded to each other. In another embodiment, the first and second sealing strips 6, 14 may be formed by joining a plurality of sealing strips together end to end.

The two opposite sealing strips comprise a first sealing strip 6 and a second sealing strip 14, the two opposite sealing strips mean that the first sealing strip 6 is provided with one sealing surface, the second sealing strip 14 is provided with the other sealing surface, the two sealing surfaces are oppositely arranged and can be mutually attached under the action of magnets to realize sealing. The at least two groups of magnets comprise a first magnet group 7 and a second magnet group 15; wherein the first magnet group 7 is embedded in the first sealing strip 6, and the second magnet group 15 is embedded in the second sealing strip 14. Specifically, a plurality of grooves for mounting magnets are provided on each of the first seal strip 6 and the second seal strip 14, and the plurality of grooves are evenly distributed on the first seal strip 6 and the second seal strip 14. The first magnet group 7 and the second magnet group 15 are configured to attract each other. The first sealing strip 6 and the second sealing strip 14 are TPU strips in order to seal the mouth effectively, and the first sealing strip 6 and the second sealing strip 14 may also be of an integral structure. In another embodiment, the sealing strip may also be a strip structure made of flexible sealing material such as silicone strip.

Specifically, the first magnet group 7 has a plurality of magnets, which are uniformly distributed on the first seal bar 6; the second magnet group 15 has a plurality of magnets, which are uniformly distributed on the second seal bar 14. The magnets, i.e. magnets, which may be arranged in a circle or orientation, in this embodiment in a circle, are signed in circular recesses in the first sealing strip 6 and the second sealing strip 14. The magnets on the sealing strips are configured such that when the first sealing strip 6 and the second sealing strip 14 are brought together, the magnets of the first magnet group 7 and the second magnet group 15 attract each other with opposite polarities. The N, S poles of the magnets provided on the first seal bar 6 or the second seal bar 14 are arranged alternately, for example, the N pole of one magnet is on the upper side, the S pole is on the lower side, and the other magnet adjacent to the one magnet is on the upper side, and the N pole is on the lower side. This arrangement prevents magnetic cancellation due to magnets of the same polarity being too close together, further enhancing the attraction of the magnets on the first sealing strip 6 with the magnets on the second sealing strip 14. The magnets are preferably made of samarium cobalt alloy. The distance between the magnets on the first seal bar 6 or the second seal bar 14 is 10mm to 40mm, specifically 20 mm.

The first sealing strip 6 and the second sealing strip 14 are both bonded to the connecting portion 3 by using a high-performance adhesive, and the adhesive is selected from adhesives capable of bonding a silica gel strip to cloth. And both of them form a seal with the connecting part 3 to prevent heat leakage between the sealing strip and the connecting part 3 and also prevent liquid in the bag from leaking. The bag body 2 includes skin 9 and inlayer 8, heat preservation 10 sets up between inlayer 8 and skin 9, and heat preservation 10 makes for insulation material, specifically can be for the heat preservation cotton or can carry out heat reflection's material etc.. The connecting portion 3 includes an inner connecting piece 13 and an outer connecting piece 12, wherein the inner connecting piece 13 is combined with the inner layer 8, and the outer connecting piece 12 is combined with the outer layer 9. The inner connecting piece 13 is joined to the outer connecting piece 12 at a position below the sealing portion 4. The inner layer 8 and the inner layer 9 are both made of cloth pieces through sewing. The outer connecting piece 12 and the inner connecting piece 13 are sewn by cloth pieces. In this embodiment, the inner connecting piece 13 and the inner layer 8 are integrally bonded, and the outer connecting piece 12 and the outer layer 9 are also integrally bonded. And the inner connecting piece 13 is fixedly joined to the outer connecting piece 12 below the two sealing strips to close the cavity formed between the inner layer 8 and the outer layer 9, for example by an adhesive or by sewing. In other embodiments, the inner connecting piece 13 and the outer connecting piece 12 can be combined with each other from above the insulation material, and the combination can be made by gluing or sewing, so as to avoid forming a cavity between the inner connecting piece 13 and the outer connecting piece 12, and to more reliably clamp and fix the insulation material.

The connecting portion 3 includes a split holder 5 configured to be capable of elastic bending. Specifically, the opening holder 5 is a metal lath, such as a thin spring steel plate, fixed to the outer connecting piece 12. When the aperture holder is bent outward, the aperture can be enlarged and the sealing portion 4 is bonded to the outer connecting sheet 12.

Referring to fig. 7, the opening maintaining members 5 provided on the outer connecting sheet 12 of the thermal insulation bag are respectively located between the two sealing strips and the bag bottom. The opening retaining piece 5 is strip-shaped, and the distance between the opening retaining piece 5 and the bottoms of the two sealing strips is 10 mm-50 mm, specifically 20 mm. The hold-open piece 5 is designed as an elongated metal or plastic strip and is sewn to the outer connecting piece 12 by means of a cloth strip, in this embodiment a PC strip.

Referring to the sealing strip 6 shown in fig. 6, the magnets are circular, the sealing strip 6 is provided with a plurality of circular magnet grooves 16, the magnets are installed in the circular grooves 16, and the opening surfaces of the grooves 16 are matched and fixed with the outer connecting sheet 12 into a whole.

When the user used the insulated bag, the user opened the sealing portion 4 of formula insulated bag with magnetism, placed the heat retaining article of needs heat retaining in the heat preservation chamber 11 of formula insulated bag is inhaled to magnetism, closed sealing portion 4 after placing, the mutual actuation of first magnet group 7 in the first sealing strip 6 of sealing portion 4 and the second magnet group 15 in the second sealing strip 14 makes insulated bag sealing portion 4 hug closely together, sealed the oral area, reach sealed water-proof effects. When the heat-insulating article needs to be taken out, the sealing part 4 is firstly pulled open, the first sealing strip 6 and the second sealing strip 14 of the sealing part 4 are separated, the opening 18 of the heat-insulating bag keeps a stable opening state as shown in fig. 2 under the supporting action of the opening retaining piece 5, and then the article is taken out.

The innovation point of this scheme protection lies in, seals the insulated bag through two sealing strips that have two sets of magnetites, and is sealed firm and simple convenient that opens and shuts, and every group seals the magnet polarity staggered arrangement of a inside, and the actuation is more smooth and easy, and the cooperation is inseparabler. In addition, an opening retaining piece 5 is arranged to support the opening, so that the opening of the heat-preservation bag is not easy to deform when the opening is opened. The shape change of the opening holder 5 in the closed state and the open state is shown in fig. 7.

Compared with the prior art, the utility model discloses a to the structural optimization of magnetism formula insulated bag, use magnetism to inhale the waterproof zip fastener that formula sealing strip replacement price is high or sealed insecure mode structures such as lock stay cord, processing is convenient, reduce cost, the assembly of being convenient for improves the batch qualification rate and the productivity of product, improves the convenience of operation and the experience that the user used.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that the present invention can be modified, replaced and modified in many ways without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A magnetic suction type heat preservation bag comprises a bag body and a sealing device combined on the bag body, wherein the bag body is provided with a heat preservation layer, the sealing device comprises a connecting part and a sealing part, and the connecting part is combined with the bag body and defines an opening for taking and placing articles; the method is characterized in that:

wherein the sealing part is arranged at the opening edge of the opening and combined with the connecting part;

the sealing part is provided with:

at least two opposing sealing strips that can be attached to each other to close the opening; and

at least two groups of magnets which are respectively embedded in the at least two opposite sealing strips and can attract each other so that the two opposite sealing strips are mutually attached;

the sealing part is configured to prevent heat exchange between the inside of the bag body and the outside at the opening to maintain the internal temperature of the bag body in a state where the at least two opposite sealing strips are attached to each other.

2. The magnetically-attractable thermal bag according to claim 1, wherein the at least two opposing seals comprise a first seal and a second seal, and the at least two sets of magnets comprise a first set of magnets and a second set of magnets;

the first magnet group is embedded in the first sealing strip, and the second magnet group is embedded in the second sealing strip;

the first magnet group and the second magnet group are configured to attract each other.

3. The magnetic-type thermal bag according to claim 2, wherein the first sealing strip and the second sealing strip are silicone strips or TPU strips.

4. The magnetic-type thermal bag according to claim 2, characterized in that: the first magnet group is provided with a plurality of magnets which are uniformly distributed on the first sealing strip; the second magnet group is provided with a plurality of magnets which are uniformly distributed on the second sealing strip.

5. The magnetically-attracted thermal bag of claim 4, wherein: the magnetic poles of two adjacent magnets in the plurality of magnets on the first sealing strip are arranged in opposite directions, and the magnetic poles of two adjacent magnets in the plurality of magnets on the second sealing strip are also arranged in opposite directions.

6. The magnetic-type thermal bag according to claim 2, characterized in that: the first sealing strip and the second sealing strip are both bonded on the connecting portion, and sealing is formed between the first sealing strip and the connecting portion and between the first sealing strip and the second sealing strip and the connecting portion.

7. The magnetic-type thermal bag according to claim 1, characterized in that: the bag body comprises an outer layer and an inner layer, and the heat-insulating layer is arranged between the inner layer and the outer layer.

8. The magnetically-attracted thermal bag of claim 7, wherein: the connecting portion includes an inner connecting piece and an outer connecting piece, wherein the inner connecting piece is combined with the inner layer, and the outer connecting piece is combined with the outer layer.

9. The magnetically-attracted thermal bag of claim 8, wherein: the sealing part is combined on the external connecting sheet.

10. The magnetically-attracted thermal bag of claim 9, wherein: the inner connecting sheet is combined with the outer connecting sheet at a position below the sealing part.

11. The magnetically-attracted thermal bag of claim 8, wherein: the connecting portion has a split holder configured to be capable of being elastically bent.