CN209258707U

CN209258707U - A kind of packaging bag

Info

Publication number: CN209258707U
Application number: CN201822017479.6U
Authority: CN
Inventors: 常乃天
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-03
Filing date: 2018-12-03
Publication date: 2019-08-16
Anticipated expiration: 2028-12-03

Abstract

The utility model embodiment discloses a kind of packaging bag, it is related to flour packaging technical field, including bag body, bag body is bonded by a pair of of relative side of a rectangular composite layer, it further include the outwardly extending opening and be formed by bonding part by bonding another side in another pair relative side that a side in another pair relative side of composite layer limits, composite inner forms accommodating chamber, opening is provided with the first sealing, composite layer includes the first layers of kraft paper set gradually outward by accommodating chamber, second layers of kraft paper and food packaging paper layer, the article contained will be needed to be put into accommodating chamber, first sealing is sealed, completely cut off extraneous steam, dust, winged insect etc., guarantee the quality of flour, the setting of multilayered structure is compared to traditional packaging line packing forms, it improves Whole sealing performance, and moistureproof and waterproof.

Description

A kind of packaging bag

Technical field

The utility model relates to flour packaging technical fields, and in particular to a kind of packaging bag.

Background technique

Flour is one of the staple food of current people, and production and transport and people buy edible flour, are usually packed in In flour bag, flour bag generally uses the woven bag of straight barrel type, is packaged at the top of bag body by packaging line, when eating, will seal Wiring is dismantled, and can take out flour.

But flour is contained using woven bag a following disadvantage: first, woven bag is since sealing performance is bad, face Powder be easy to cause leakage, and flour is as a kind of combustible dust, when accumulating in transit or in warehouse, when arrival a certain concentration When, open fire is encountered, i.e., can be exploded；Second, using woven bag, after user's purchase is gone back, packaging line of dismantling, packaging line is just lost The protective effect to flour has been gone, can not be effectively sealed, be constantly exposed to flour under external environment, moisture resistance is poor, It causes flour agglomerate, is infested and rotten, not can guarantee quality and food safety of the flour in subsequent use, third works as flour After using up, bag body can not be recycled due to losing sealing function, cause to waste.

Utility model content

The utility model embodiment is designed to provide a kind of packaging bag, to solve packaging line braiding in the prior art Bag leakproofness difference and the problem of cannot be recycled.

To achieve the above object, the utility model embodiment provides a kind of packaging bag, including bag body；

The bag body is bonded by a pair of of relative side of a rectangular composite layer, further includes described compound Outwardly extending opening that a side in another pair relative side of material layer limits and by by another pair phase Another side bonding in opposite side is formed by bonding part；

The composite inner forms accommodating chamber；

The opening is provided with the first sealing；

The composite layer includes the first layers of kraft paper set gradually outward by the accommodating chamber, the second layers of kraft paper With food packaging paper layer.

Further, the bag body includes at least one the side area being connected between the opening and the bonding part Domain.

Further, the quantity of the lateral side regions be four, respectively first area, second area, third region and The fourth region；

The first area and the third region are oppositely arranged；

The second area and the third region are oppositely arranged.

Further, first sealing uses hot melt adhesive.

It further, further include exhaust valve；

The exhaust valve is arranged through the bag body.

It further, further include the second sealing；

Second sealing is set to first sealing close to the side of the accommodating chamber.

Further, second sealing is to seal concave-convex item or slide fastener zipper.

Further, the opening is provided with unpacking mouth.

Further, the unpacking mouth is V-type unpacking mouth, zigzag unpacking mouth, U-shaped unpacking mouth or "-" type unpacking mouth.

The utility model embodiment has the advantages that

The packaging bag includes bag body, and bag body is bonded by a pair of of relative side of a rectangular composite layer, It further include outwardly extending opening that a side in another pair relative side of composite layer limits and by will be another Another side bonding in a pair of of relative side is formed by bonding part, and the article contained will be needed to be put into accommodating chamber, will First sealing is sealed, and completely cuts off extraneous steam, dust, winged insect etc., guarantees the quality of flour, and outward opening extension is set It sets, when buyer needs using flour, the first sealing is destroyed, can be obtained, and since outward opening is extended, Opening can be bent, equally play the protective effect to flour, meet material using the first layers of kraft paper, the second layers of kraft paper With food packaging paper layer, the tearing toughness of brown paper, rupture function and resistance to vibration are very high, and brown paper has with food wrapper There is waterproof and dampproof characteristic, the setting of multilayered structure is compared to traditional packaging line packing forms, improves whole sealing Performance.

Detailed description of the invention

It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis The attached drawing of offer, which is extended, obtains other implementation attached drawings.

Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated Under effect and the purpose that can reach, should all still it fall in the range of capable of the covering of disclosed technology contents.

Fig. 1 is the schematic perspective view of packaging bag provided by the utility model；

Fig. 2 is the front view of packaging bag shown in FIG. 1；

Fig. 3 is the side view that the opening of packaging bag shown in FIG. 1 is opened；

Fig. 4 is the cross-sectional view of packaging bag shown in Fig. 3.

Icon: 1- bag body；2- opening；3- accommodating chamber.

Specific embodiment

Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.

The term on cited such as "upper", "lower", " left side ", the right side in this specification ", " centre ", is merely convenient to describe Be illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology without essence It inside holds, when being also considered as the enforceable scope of the present invention.

As shown in Figures 1 to 4, a kind of packaging bag provided in this embodiment, including bag body 1；

Bag body 1 is bonded by a pair of of relative side of a rectangular composite layer, further includes composite layer Another pair relative side in the outwardly extending opening 2 that limits of a side and by will be in another pair relative side Another side bonding is formed by bonding part；

Composite inner forms accommodating chamber 3；

It is open at 2 and is provided with the first sealing；

Composite layer includes the first layers of kraft paper, the second layers of kraft paper and food set gradually outward by accommodating chamber 3 Pack paper layer.

The packaging bag includes bag body 1, bag body 1 by a pair of of relative side bonding of a rectangular composite layer and At further including the outwardly extending opening 2 and pass through that a side in another pair relative side of composite layer limits Another side bonding in another pair relative side is formed by bonding part, the article contained will be needed to be put into accommodating chamber 3 In, the first sealing is sealed, extraneous steam, dust, winged insect etc. are completely cut off, guarantees the quality of flour, opening 2 is to extension Setting is stretched, when buyer needs using flour, the first sealing is destroyed, can be obtained, and since opening 2 extends outwardly Setting, opening 2 can be bent, equally play the protective effect to flour, meet material using the first layers of kraft paper, second N Mulberry paper layer and food packaging paper layer, the tearing toughness of brown paper, rupture function and resistance to vibration are very high, brown paper and food packaging Paper all has waterproof and dampproof characteristic, and the setting of multilayered structure is compared to traditional packaging line packing forms, improves entirety Sealing performance.

Please continue to refer to Fig. 1 to Fig. 4, wherein bag body 1 includes at least one side being connected between opening 2 and bonding part Face region.

Further, the quantity of lateral side regions is four, respectively first area, second area, third region and the 4th Region；

First area and third region are oppositely arranged；

Second area and third region are oppositely arranged.

Further, the area equation of first area and third region；

The area equation of second area and the fourth region.

Further, the area of first area is greater than the area of second area.

In this embodiment, lateral side regions preferably include four regions, are oppositely arranged two-by-two, and it is rectangular for foring interface The structure of shape, after containing flour, during carrying out storehouse storage and transport, due to the filling of flour, packaging bag is whole Formation is similar to cuboid, is greater than second area and the fourth region with first area and third region, is directed toward in first area It is stacked on the direction in third region, the stacking height of change can be reached, and stability is stronger.

It should be noted that lateral side regions are not limited only to above-mentioned set-up mode, of lateral side regions can be adjusted according to demand Number.

Please continue to refer to Fig. 1 to Fig. 4, wherein the first sealing uses hot melt adhesive.

In this embodiment, the encapsulation of bag body 1 is realized by pressure mouth machine.

Please continue to refer to Fig. 1 to Fig. 4, wherein further include exhaust valve；

Exhaust valve is arranged through bag body 1.

In this embodiment, exhaust valve can drain the air in seal chamber, make to level off to vacuum environment in bag, be convenient for flour Preservation.

Please continue to refer to Fig. 1 to Fig. 4, wherein further include the second sealing；

Second sealing is set to the first sealing close to the side of accommodating chamber 3.

Further, the second sealing is to seal concave-convex item or slide fastener zipper

In this embodiment, it after flour uses to the greatest extent, is alternatively arranged as common hermetic bag and is recycled, reduce wave Take, has carried out resource reclaim.

Please continue to refer to Fig. 1 to Fig. 4, wherein be provided with unpacking mouth at opening 2.

Further, unpacking mouth is V-type unpacking mouth, zigzag unpacking mouth, U-shaped unpacking mouth or "-" type unpacking mouth.

In this embodiment, it is concentrated using stress, opens bag body 1 convenient for buyer.

Although above having made detailed description to the utility model with generality explanation and specific embodiment, On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want Seek the range of protection.

Claims

1. a kind of packaging bag, which is characterized in that including bag body；

The bag body is bonded by a pair of of relative side of a rectangular composite layer, further includes the composite material Outwardly extending opening that a side in another pair relative side of layer limits and by by another pair opposite side Another side bonding in side is formed by bonding part；

The composite inner forms accommodating chamber；

The opening is provided with the first sealing；

The composite layer includes the first layers of kraft paper, the second layers of kraft paper and food set gradually outward by the accommodating chamber Product pack paper layer.

2. packaging bag according to claim 1, which is characterized in that the bag body includes being connected to the opening to glue with described At least one lateral side regions between conjunction portion.

3. packaging bag according to claim 2, which is characterized in that the quantity of the lateral side regions is four, respectively the One region, second area, third region and the fourth region；

The first area and the third region are oppositely arranged；

The second area and the third region are oppositely arranged.

4. packaging bag according to claim 1, which is characterized in that first sealing uses hot melt adhesive.

5. packaging bag according to claim 1, which is characterized in that further include exhaust valve；

The exhaust valve is arranged through the bag body.

6. packaging bag according to claim 1, which is characterized in that further include the second sealing；

7. packaging bag according to claim 6, which is characterized in that second sealing is to seal concave-convex item or slide fastener drawing Chain.

8. packaging bag according to claim 1, which is characterized in that the opening is provided with unpacking mouth.

9. packaging bag according to claim 8, which is characterized in that the unpacking mouth is V-type unpacking mouth, zigzag unpacking Mouth, U-shaped unpacking mouth or "-" type unpacking mouth.