CN208086372U - A kind of self-support packing bag - Google Patents

Abstract

The utility model is related to a kind of self-support packing bag, including bag bottom and bag body, the upper end of bag body is equipped with an entrance, and the inlet is provided with end face, and end face doubling along its length, which connect with the upper end of bag body to close entrance；The upper end of bag body both sides is fixedly connected to form an interconnecting piece, and an opening for being communicated in storage space is offered on the side of the bag body, in being provided with sealing strip in the opening.This practicality end face and bottom surface can strut, and compared to traditional packaging bag that only bottom surface can be stood, increase the storage space of bag body；With more stable barrier property, even if the bag bottom of packaging bag is subjected to constantly folding, strut during packaging, storage, use, barrier fault rupture will not be generated easily at broken line, and with stable barrier property, ensure its content stay in grade.

Description

A kind of self-support packing bag

【Technical field】

The utility model is related to a kind of self-support packing bags, belong to packaging bag technical field.

【Background technology】

For the ease of fresh-keeping, storage in life, to produce product packaging bags, food pack under normal circumstances can be with Food generates directly contact, for containing and protecting food, therefore, generally should all use the plastic film of food-grade.It is existing There is food pack common in technology to generally comprise：Bag bottom and bag body composition,

But food pack in the prior art only has its bottom to have supporting surface, the bag body of such structure the disadvantage is that Capacity is smaller.Common bag bottom structure is combined by glue successively gluing by polyester, aluminium foil, polypropylene etc., therein Aluminium foil layer can assign self-support packing bag oxygen barrier, extend the shelf life of product, and the fragrance of content is made to be sealed in packaging bag It is interior.But, in order to reduce memory space, the bag bottom of self-support packing bag is substantially in doubling or substantially right before packing article The state of folding, therefore bag bottom can form broken line；When for packing, a bag bottom is strutted, stereochemical structure is formed, being subsequently filled, seal.Bag It is easily bent back and forth at the broken line at bottom, aluminium foil interlayer herein is caused to be easily broken off, damage the barrier property of self-support packing bag, and And then influence the quality of content.

【Utility model content】

The purpose of this utility model is that：It is in view of the drawbacks of the prior art and insufficient, a kind of simple in structure, design conjunction is provided Reason, self-support packing bag easy to use.

To achieve the above object, the technical solution adopted in the utility model is：

The upper end of a kind of self-support packing bag described in the utility model, including bag bottom and bag body, bag body is equipped with an entrance, institute The inlet stated is provided with end face, and end face doubling along its length, which connect with the upper end of bag body to seal entrance It closes；The upper end of bag body both sides is fixedly connected to form an interconnecting piece, and one is offered on the side of the bag body and is communicated in storing sky Between opening, in being provided with sealing strip in the opening, the bag body includes front and back, and the both sides of front and back correspond to Connection, and in the upper end of front and back both sides, there are the hot edge seals being connect with end face.

In the present invention：The sealing strip includes master bar and sub- item, and master bar is set to positive inside and corresponds to Opening, sub- item are set to the inner wall for corresponding to storage space on end face.

In the present invention：Inwardly projecting raised line is provided on the master bar；Correspond on the sub- item convex Item setting is fluted.

In the present invention：The bag bottom is the folding egative film being inwardly recessed, and is clipped between front and back (8), folding The lower end heat-sealing of the inner face complete cycle and the bag body of the direction bag body of folded egative film；The bag body and the bag bottom packet used Dress film is multi-layer compound film, and wherein the laminated film of bag body is by including bag body heat-sealing film, outer glue layer successively outside to bag in bag With bag body outer membrane；The laminated film at the bag bottom is by including that bag bottom heat-sealing film, glue layer and bag bottom obstruct successively outside to bag in bag Film, bag bottom Obstruct membrane are the film that layer is deposited with inorganic ceramic, and layer is deposited towards bag bottom heat-sealing film in inorganic ceramic.

In the present invention：The inside of the bag body outer membrane is described by outer glue layer gluing marsupial body Obstruct membrane Bag body Obstruct membrane and bag body heat-sealing film between be equipped with interior glue layer.

In the present invention：The bag body Obstruct membrane is a kind of aluminizer in polyester, nylon and polypropylene, Huo Zhewei Aluminium foil；Bag bottom Obstruct membrane is polyester film, nylon membrane or polypropylene with silica steam plating layer or oxidation aluminium-vapour deposition layer Film；The bag body heat-sealing film and bag bottom heat-sealing film are polyethylene layer or polypropylene layer.

In the present invention：The bag bottom folds the anti-folding muscle of row being bonded at the broken line to be formed across at broken line, The anti-folding muscle along bag bottom broken line length direction, it is described it is anti-folding muscle length it is ascending, again it is descending according to Secondary arrangement.

With the above structure, the utility model has the beneficial effect that：The utility model simple structure and reasonable design, end face Can be strutted with bottom surface, strut back pkt. body and can be upright or stand upside down on horizontal plane, it is easy to use, and compared to it is traditional only The packaging bag for having bottom surface that can stand increases the storage space of bag body；In terms of barrier property, there is more stable barrier property Can, it, will not be easily in broken line even if the bag bottom of packaging bag is subjected to constantly folding, strut during packaging, storage, use Place generates barrier fault rupture, and with stable barrier property, also has good block to light, ensures its content quality Stablize.

【Description of the drawings】

Attached drawing described herein is to be used to provide a further understanding of the present invention, and constitutes one of the application Point, but do not constitute improper limits to the present invention, in the accompanying drawings：

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the schematic diagram of the opening of the utility model；

Fig. 3 is the composed structure schematic diagram of the bag body of the utility model；

Fig. 4 is the composed structure schematic diagram at the bag bottom of the utility model；

Fig. 5 is the structural schematic diagram at bag bottom in the utility model.

1, bag body, 2, bag bottom, 3, end face, 4, interconnecting piece, 5, opening, 6, sealing strip, 7, front, 8, the back side, 9, master bar, 10, sub- item, 11, bag body heat-sealing film, 12, outer glue layer, 13, bag body outer membrane, 14, bag body Obstruct membrane, 15, interior glue layer, 16, bag Bottom heat-sealing film, 17, glue layer, 18, bag bottom Obstruct membrane；19, anti-folding muscle.

【Specific implementation mode】

Be described in detail the utility model below in conjunction with attached drawing and specific embodiment, illustrative examples therein with And explanation is only used for explaining the utility model, but be not intended to limit the scope of the present invention.

As shown in Figs. 1-5, the upper end of a kind of self-support packing bag, including bag bottom 2 and bag body 1, bag body 1 is equipped with an entrance, institute The inlet stated is provided with end face 3, the doubling along its length of end face 3, which connect with the upper end of bag body 1 will enter Mouth closing；The upper end of 1 both sides of bag body is fixedly connected to form an interconnecting piece 4, and offering one on the side of the bag body 1 is communicated in The opening 5 of storage space, in being provided with sealing strip 6 in the opening 5, the bag body 1 includes front 7 and the back side 8, positive 7 Hes The both sides at the back side 8 are correspondingly connected with, and there are the hot edge seals being connect with end face 3 in the upper end in front 7 and 8 both sides of the back side.

The sealing strip 6 includes master bar 9 and sub- item 10, and the inside that master bar 9 is set to front 7 corresponds at opening 5, son Item 10 is set to the inner wall for corresponding to storage space on end face 3.It is provided with inwardly projecting raised line on the master bar 9；It is described Sub- item 10 on correspond to raised line be arranged it is fluted.The bag bottom 2 is the folding egative film being inwardly recessed, and is clipped in front 7 and the back side 8 Between, fold the lower end heat-sealing of the inner face complete cycle and the bag body of the direction bag body of egative film；The bag body 1 and the bag Packaging film used in bottom 2 is multi-layer compound film, and wherein the laminated film of bag body 1 is by including bag body heat-sealing film successively outside to bag in bag 11, outer glue layer 12 and bag body outer membrane 13；The laminated film at the bag bottom 2 is by including bag bottom heat-sealing film successively outside to bag in bag 16, glue layer 17 and bag bottom Obstruct membrane 18, bag bottom Obstruct membrane 18 are the film that layer is deposited with inorganic ceramic, inorganic ceramic vapor deposition Layer is towards bag bottom heat-sealing film 16.The inside of the bag body outer membrane 13 passes through 12 gluing marsupial body Obstruct membrane 14 of outer glue layer, institute Interior glue layer 15 is equipped between the bag body Obstruct membrane 14 stated and bag body heat-sealing film 11.The bag body Obstruct membrane 14 is polyester, nylon With a kind of aluminizer in polypropylene, or be aluminium foil；Bag bottom Obstruct membrane 18 is with silica steam plating layer or oxidation Polyester film, nylon membrane or the polypropylene screen of aluminium-vapour deposition layer；The bag body heat-sealing film 11 and bag bottom heat-sealing film 16 are polyethylene Layer or polypropylene layer.The bag bottom 2 folds the anti-folding muscle 19 of row being bonded at the broken line formed across at broken line, and described is anti- Roll over length direction of the muscle 19 along bag bottom broken line, the length of the anti-folding muscle 19 is ascending, descending again arranges successively Row.

The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.

Claims (7)

1. a kind of self-support packing bag, it is characterised in that：Including bag bottom (2) and bag body (1), the upper end of bag body (1) is equipped with an entrance, The inlet is provided with end face (3), end face (3) doubling along its length, the upper end of the end face (3) and bag body (1) Connection is to close entrance；The upper end of bag body (1) both sides is fixedly connected to form an interconnecting piece (4), the side of the bag body (1) On offer an opening (5) for being communicated in storage space, in being provided with sealing strip (6), the bag body (1) in the opening (5) Both sides including positive (7) and the back side (8), positive (7) and the back side (8) are correspondingly connected with, and in positive (7) and the back side (8) two There are the hot edge seals being connect with end face (3) for the upper end of side.

2. a kind of self-support packing bag according to claim 1, it is characterised in that：The sealing strip (6) includes master bar (9) With sub- item (10), the inside that master bar (9) is set to positive (7) corresponds at opening (5), and sub- item (10) is set on end face (3) Corresponding to the inner wall of storage space.

3. a kind of self-support packing bag according to claim 2, it is characterised in that：It is provided on the master bar (9) inwardly The raised line of protrusion；It is fluted to correspond to raised line setting on the sub- item (10).

4. a kind of self-support packing bag according to claim 1, it is characterised in that：The bag bottom (2) is the folding being inwardly recessed Folded egative film, is clipped between positive (7) and the back side (8), folds the lower end of the inner face complete cycle and the bag body of the direction bag body of egative film Heat-sealing；Packaging film used in the bag body (1) and the bag bottom (2) is multi-layer compound film, and wherein bag body (1) is compound Film is by including bag body heat-sealing film (11), outer glue layer (12) and bag body outer membrane (13) successively outside to bag in bag；The bag bottom (2) Laminated film by bag to including bag bottom heat-sealing film (16), glue layer (17) and bag bottom Obstruct membrane (18), bag bottom successively outside bag Obstruct membrane (18) is the film that layer is deposited with inorganic ceramic, and layer is deposited towards bag bottom heat-sealing film (16) in inorganic ceramic.

5. a kind of self-support packing bag according to claim 4, it is characterised in that：The inside of the bag body outer membrane (13) is logical Outer glue layer (12) gluing marsupial body Obstruct membrane (14) is crossed, is set between the bag body Obstruct membrane (14) and bag body heat-sealing film (11) There is interior glue layer (15).

6. a kind of self-support packing bag according to claim 4, it is characterised in that：The bag body Obstruct membrane (14) be polyester, A kind of aluminizer in nylon and polypropylene, or be aluminium foil；Bag bottom Obstruct membrane (18) is with silica steam plating layer Or polyester film, nylon membrane or the polypropylene screen of oxidation aluminium-vapour deposition layer；The bag body heat-sealing film (11) and bag bottom heat-sealing film (16) it is polyethylene layer or polypropylene layer.

7. a kind of self-support packing bag according to claim 1, it is characterised in that：The bag bottom (2) folds the broken line formed Place is bonded with across the anti-folding muscle (19) of row at broken line, the anti-folding muscle (19) along bag bottom broken line length side To, the anti-folding muscle (19) length it is ascending, descending be again arranged in order.