CN206704824U - A kind of packaging bag for emptying inner air - Google Patents

A kind of packaging bag for emptying inner air Download PDF

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Publication number
CN206704824U
CN206704824U CN201720432419.3U CN201720432419U CN206704824U CN 206704824 U CN206704824 U CN 206704824U CN 201720432419 U CN201720432419 U CN 201720432419U CN 206704824 U CN206704824 U CN 206704824U
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China
Prior art keywords
exhaust
bag body
exhaust passage
main bag
level
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Application number
CN201720432419.3U
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Chinese (zh)
Inventor
张红
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Dongguan Kang Nest Building Materials Co Ltd
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Dongguan Kang Nest Building Materials Co Ltd
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Priority to CN201720432419.3U priority Critical patent/CN206704824U/en
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Abstract

The utility model discloses a kind of packaging bag for emptying inner air, including the main bag body for packing materials, one end of main bag body is hatch frame, and the other end is enclosed construction, exhaust level is at least provided with a flank side surface inside main bag body, exhaust level is tightly sticked on the medial surface of main bag body;There is an exhaust passage in exhaust level, the exhaust outlet of exhaust passage is located at the sack of main bag body, and one end that exhaust passage is located at main bag body bottom is closed structure;The top layer of exhaust passage is provided with some vent scores.The utility model passes through the inner surface setting exhaust level in packaging bag, exhaust passage is set in exhaust level, vent score is delineated by blade on exhaust passage, so that the air of bag can discharge from vent score along exhaust passage, its total is very simple, good exhaust effect, this body structure of packaging bag does not change, and the cost for adding exhaust level is low, and manufacture craft is simple, it is adapted to large-scale production and application.

Description

A kind of packaging bag for emptying inner air
Technical field
The utility model is related to packaging industry technical field, and in particular to one kind be used for pack siccative, as powder product, The packaging bag of granule product etc., mainly plastic film packaging bag.
Background technology
The packaging of many products needs to use packaging bag, such as flour, salt, powdered building and ornament materials, this kind of production Product first can entirely fill up the under-filled full of packaging bag entirely due to will not typically fill product after packaging bag is loaded Packaging bag, when being sealed after being filled in the bottom of packaging bag, the top of packaging bag can be full of air so that packaging bag expands.So It can cause following problem, first, placement, storage, carrying that the packaging bag of expansion can be to product etc. brings inconvenience, and can account for With bigger memory space;Second, packaging bag inside may have undesirable effect full of air to the product quality in bag;The Three, packaging bag band gas expansion capacity is easily caused a bag body breakage, influences product quality, or even it may also happen that blast, it is hidden to have safety Suffer from.Therefore, some packaging bags that can be vented of someone's utility model, as the packaging bag of clothes would generally open several in bottom Circular hole, and the packaging bag of some powders is provided with one-way exhaust valve etc..However, problems with generally all be present in this kind of mode, First, all it is that first envelope package mouth is vented again, this exhaust process needs the long period, and operates inconvenience;Second, the setting meeting of air bleeding valve The original structure of packaging bag is destroyed, and the cost of packaging bag is significantly increased;Third, the packaging bag for the stomata that begins to rehearse is not suitable for wrapping Fill powder product and grain products.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of it is reasonable in design, inner air can be emptied substantially Packaging bag.
In order to solve the above technical problems, the utility model adopts the following technical scheme that:A kind of bag for emptying inner air Pack, including the main bag body for packing materials, one end of main bag body is hatch frame, and the other end is enclosed construction, its feature It is:Exhaust level is at least provided with a flank side surface inside main bag body, exhaust level is tightly sticked on the medial surface of main bag body; There is an exhaust passage in exhaust level, sack position, and the exhaust of exhaust passage are led in the exhaust passage from the bottom of main bag body Mouth is at the sack of main bag body, and one end that exhaust passage is located at main bag body bottom is closed structure;Exhaust passage is positioned at master If it is provided with capable person exhaust passage at the internal surface of bag to connect with main bag body inner space for air in discharge main bag body Vent score.
Further, the both sides of the exhaust passage are vented formed with closed exhaust level fixed part is close to main bag body Layer fixed part is from the boundary line of exhaust passage to the edge of exhaust level;Exhaust level fixed part is using hot pressing or adhesive means and main bag Body is close to connect.This structure makes exhaust level not only independently of main bag body but also depends on main bag body, and the entirety for the bag that do not change package Structure.
Further, being covered with the exhaust passage has for preventing its inner surface from mutually pasting and forms the convex of closing Point, salient point are distributed in a flank side surface or two flank side surfaces in exhaust passage.Salient point can prevent exhaust passage from will not fit to one Rising causes degassing function to weaken or even fail.
Further, the exhaust level is made of plastic sheeting, and the vent score is logical in exhaust using thin blade The edge of a knife that the film surface in road marks, vent score are located at the centre of exhaust passage in the range of from sack 1/3rd.Row It is, because product will not typically fill too full, typically to fill half or so or half is more that gas cut, which sets the benefit in this scope, A bit, there is vent score so above product, can be discharged with air in convenient bag.
Further, the vent score is provided with some rows, if each row has an arterial highway edge of a knife, every one of edge of a knife is along main bag The longitudinal direction delineating of body, and length is 0.5-2 centimetres.Two benefits can be reached by setting the vent score of this structure, first, can be with It is easy to be vented, second, can prevent the product in bag from discharging in the lump along air-flow during exhaust.
Further, plastics antiblocking agent is equipped with exhaust level, such as cured, the exhaust passage manufactures in exhaust level When isolated by plastics antiblocking agent and form non-adhesion portion and form, and form bump structure simultaneously.When making exhaust level, first arranging One layer of antiblocking agent is placed among in gas-bearing formation, is then fabricated to exhaust level by manufacturing process such as high-temperature laminatings middle with row The structure of gas passage, it so can easily complete production process.Also, when being sealed to packaging bag, due to row There is antiblocking agent so that be honored as a queen in packing bag mouth, exhaust passage and its exhaust outlet are also to maintain open shape in gas passage State, so that air is discharged.
The utility model is set exhaust passage in exhaust level, arranged by the inner surface setting exhaust level in packaging bag Vent score is delineated by blade on gas passage, so that the air of bag can discharge from vent score along exhaust passage, its Total is very simple, good exhaust effect, and this body structure of packaging bag does not change, and adds the cost of exhaust level Low, manufacture craft is simple, is adapted to large-scale production and application.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the structural representation that the utility model takes inside apart.
In figure, 1 is main bag body, and 2 be exhaust level, and 3 be exhaust passage, and 4 be exhaust outlet, and 5 be salient point, and 6 be vent score, 7 It is exhaust passage boundary line for exhaust level fixed part, 8.
Embodiment
In the present embodiment, referring to Figures 1 and 2, the packaging bag for emptying inner air, including for packing materials Main bag body 1, one end of main bag body 1 is hatch frame, and the other end is enclosed construction, the flank side surface inside main bag body 1(Both sides Also may be used)On be provided with exhaust level 2, exhaust level 2 is tightly sticked on the medial surface of main bag body 1;There is an exhaust passage in exhaust level 2 3, sack position is led in the exhaust passage 3 from the bottom of main bag body 1, and the exhaust outlet 4 of exhaust passage 3 is located at the bag of main bag body 1 At mouthful, and one end that exhaust passage 3 is located at the bottom of main bag body 1 is closed structure;Exhaust passage 3 is located at the surface in main bag body 1 If place is provided with capable person exhaust passage 3 and connected with the inner space of main bag body 1 for the vent score 6 of air in discharge main bag body 1.
Formed with closed exhaust level fixed part 7 is close to main bag body 1, exhaust level is fixed for the both sides of the exhaust passage 3 Portion 7 is from the boundary line of exhaust passage 3 to the edge of exhaust level 2;Exhaust level fixed part 7 uses hot pressing or adhesive means and main bag body 1 is close to connect.This structure makes exhaust level 2 not only independently of main bag body 1 but also depends on main bag body 2, and the whole of bag of not changing package Body structure.
Being covered with the exhaust passage 3 has for preventing its inner surface from mutually pasting and forms the salient point 5 of closing, salient point 5 The flank side surface or two flank side surfaces being distributed in exhaust passage 3.Salient point 5 can prevent exhaust passage 3 from will not fit to cause together Degassing function is set to weaken or even fail.
The exhaust level 2 is made of plastic sheeting, and the vent score 6 is in the thin of exhaust passage 3 using thin blade The edge of a knife that film surface is marked, vent score 6 are located at the centre of exhaust passage 3 in the range of from sack 1/3rd.Exhaust is drawn It is, because product will not typically fill too full, typically to fill half or so or half more one that trace 6, which sets the benefit in this scope, Point, there is vent score 6 so above product, can be discharged with air in convenient bag.
The vent score 6 is provided with some rows, if each row has the arterial highway edge of a knife, every one of edge of a knife is indulged along main bag body 1 To delineating, and length is 0.5-2 centimetres.Two benefits can be reached by setting the vent score 6 of this structure, first, can be in order to arranging Gas, second, can prevent the product in bag from being discharged in the lump along air-flow during exhaust.
Plastics antiblocking agent is equipped with exhaust level 2, such as cured, the exhaust passage 3 is when exhaust level manufactures by moulding Material antiblocking agent isolates to form non-adhesion portion and form, and forms bump structure simultaneously.When making exhaust level 2, first in exhaust level 2 One layer of antiblocking agent is placed among interior, is then fabricated to exhaust level by manufacturing process such as high-temperature laminatings middle logical with exhaust The structure in road 3, it so can easily complete production process.It is also, logical due to being vented when being sealed to packaging bag There is antiblocking agent so that be honored as a queen in the sack of packaging bag, exhaust passage 3 and its exhaust outlet 4 are also to maintain open shape in road 3 State, so that air is discharged.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and , it is when the utility model practical range can not be limited, i.e., all to make equivalent changes and modifications according to the application scope, it all should still belong to this In utility model covering scope.

Claims (6)

1. a kind of packaging bag for emptying inner air, including the main bag body for packing materials, one end of main bag body is opening Structure, the other end are enclosed construction, it is characterised in that:Exhaust level, row are at least provided with a flank side surface inside main bag body Gas-bearing formation is tightly sticked on the medial surface of main bag body;There is an exhaust passage in exhaust level, the exhaust passage is from the bottom of main bag body Lead to sack position, and the exhaust outlet of exhaust passage is located at the sack of main bag body, and exhaust passage is located at main bag body bottom One end is closed structure;If exhaust passage, which is located at the surface in main bag body, is provided with capable person exhaust passage and main bag body inner space Connect for the vent score of air in discharge main bag body.
2. the packaging bag according to claim 1 for emptying inner air, it is characterised in that:The both sides of the exhaust passage Formed with closed exhaust level fixed part is close to main bag body, exhaust level fixed part is from the boundary line of exhaust passage to exhaust level Edge;Exhaust level fixed part is close to connect using hot pressing or adhesive means with main bag body.
3. the packaging bag according to claim 1 for emptying inner air, it is characterised in that:It is covered with the exhaust passage Have for preventing its inner surface from mutually pasting and form the salient point of closing, salient point is distributed in the flank side surface or two in exhaust passage Flank side surface.
4. the packaging bag according to claim 1 for emptying inner air, it is characterised in that:The exhaust level uses plastics Film is made, and the vent score is the edge of a knife marked using film surface of the thin blade in exhaust passage, and vent score is located at The centre of exhaust passage is in the range of from sack 1/3rd.
5. the packaging bag according to claim 4 for emptying inner air, it is characterised in that:If the vent score is provided with Dry row, if each row has the arterial highway edge of a knife, longitudinal direction of every one of edge of a knife along main bag body delineates, and length is 0.5-2 centimetres.
6. the packaging bag according to claim 3 for emptying inner air, it is characterised in that:Modeling is equipped with exhaust level Expect antiblocking agent, the exhaust passage is isolated when exhaust level manufactures by plastics antiblocking agent to be formed non-adhesion portion and forms, and together When form bump structure.
CN201720432419.3U 2017-04-21 2017-04-21 A kind of packaging bag for emptying inner air Active CN206704824U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720432419.3U CN206704824U (en) 2017-04-21 2017-04-21 A kind of packaging bag for emptying inner air

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720432419.3U CN206704824U (en) 2017-04-21 2017-04-21 A kind of packaging bag for emptying inner air

Publications (1)

Publication Number Publication Date
CN206704824U true CN206704824U (en) 2017-12-05

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Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106927129A (en) * 2017-04-21 2017-07-07 东莞市康巢建材有限公司 A kind of packaging bag for emptying inner air

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106927129A (en) * 2017-04-21 2017-07-07 东莞市康巢建材有限公司 A kind of packaging bag for emptying inner air

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