A kind of gas packed packaging sheet and gas packing bag that wraps up stereo article
Technical field
The utility model relates to a kind of gas packed packaging sheet and gas packing bag, relates in particular to a kind of gas packed packaging sheet and gas packing bag that can docilely wrap stereo article.
Background technology
In recent years, adopt gas packing bag or gas packed packaging sheet on the market usually, to avoid holding the damage of breaking of article in it in order to connection with wrapping of piece.Consult Fig. 1 and Fig. 2; shown in gas packing bag adopt transparent membrane to make; traditional gas column packaging bag is linked by a plurality of gas column 200 and forms; separate between the gas column; therefore; even there is gas column to break, other uncracked gas column still can be kept airtight conditions, makes products to be packaged still be subjected to buffer protection and can not damage.Its groundwork is as follows: with the mode one-shot forming of multilayer film group with hot padding, constitute a plurality of gas column 200 with buffer action, and gas column has independently admission port, interconnect between the admission port, share an inflation air flue, the inboard of this gas column admission port promptly leads to gas column inflation inlet place, then is provided with to be used to avoid the non-return valve that loses heart.Yet, the gas packing bag of this structure, when being used to pack the bigger article of irregular article or square, volume, its packaging bag meeting forms coign 300, increases volume, makes the gas packing bag article of can't fitting, and the excellent protection function is provided.
And for traditional gas packed packaging sheet, be on each gas column, to set up break, package panel can be bent, be positioned in the case to form buffer wall, in order to protect article, the damage of avoiding breaking.Yet the gas packed packaging sheet of this structure is used to pack stereo article, and for example: during the bigger article of square or volume, need the combination of multi-disc package panel to pack stereo article, waste material increases packaging step and productive costs.
The utility model content
The technical matters that the utility model solves provides a kind of saving in material, cheap, the gas packed packaging sheet of raising the efficiency, can wrap up stereo article.
In addition, also can provide a kind of simple in structure, docile gas packing bag that wraps stereo article of energy.
Goal of the invention of the present utility model is achieved through the following technical solutions:
A kind of gas packed packaging sheet that wraps up stereo article comprises gas column and the potted line that is used to cut apart, and described gas column comprises the air bag of vary in diameter, and the air bag of described vary in diameter is provided with and is used for inflation inlet that it is put on the air.
The gas packed packaging sheet of above-mentioned wrapped up stereo article, wherein: the charge air of described vary in diameter air bag centre portion is less than the charge air at its two ends.
The gas packed packaging sheet of above-mentioned wrapped up stereo article, wherein: the charge air of at least one side gas column of described gas packed packaging sheet is less than the charge air of its other local gas column.
The gas packed packaging sheet of above-mentioned wrapped up stereo article, wherein: described gas packed packaging sheet comprises that also the resistance that is arranged on the described vary in diameter air bag fills portion, is used to reduce the charge air of described vary in diameter air bag.
The gas packed packaging sheet of above-mentioned wrapped up stereo article, wherein: the cross sectional shape that portion is filled in described resistance is triangle, crescent, trapezoidal, rectangle or irregularly shaped.
The gas packed packaging sheet of above-mentioned wrapped up stereo article, wherein: described inflation inlet place also is provided with the non-return valve that is used to prevent gas backstreaming.
The gas packed packaging sheet of above-mentioned wrapped up stereo article, wherein: described non-return valve comprises the air valve film and is arranged at heat-resisting Printing Department between described air valve film and the air bag inwall.
The gas packed packaging sheet of above-mentioned wrapped up stereo article, wherein: described non-return valve comprises two air valve films and is arranged at heat-resisting Printing Department between two air valve films.
The gas packed packaging sheet of above-mentioned wrapped up stereo article, wherein: described gas packed packaging sheet also comprises another kind of gas column, described another kind of gas column has the another kind of air bag of diameter unmodified, the another kind of air bag of this diameter unmodified is provided with another inflation inlet that is used for it is put on the air, and the air bag of another kind of air bag of this diameter unmodified and vary in diameter is cut apart by potted line.
A kind of gas packing bag, described gas packing bag comprises the above-mentioned gas package panel, the bending of at least one side of described gas packed packaging sheet links to each other, and the charge air that is bent into the coign place is less than its other local charge air.
Therefore, gas packed packaging sheet of the present utility model by the vary in diameter of gas column upper gasbag, changes the inflation scope after gas column is inflated, to realize that saving in material reduces production costs, and improves packaging efficiency with the purpose of a slice gas packed packaging sheet parcel stereo article.And use the gas packing bag of this gas packed packaging sheet, and also can reduce the charge air of coign, make the parcel stereo article that gas packing bag can be docile, for stereo article provides excellent protection, and simple in structure, can adapt to the needs of different size stereo article.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the scheme drawing of traditional gas packing bag inflation back parcel stereo article.
Fig. 2 is Fig. 1 analysing and observe along straight line A-A direction.
Fig. 3 is the scheme drawing that the utility model can wrap up the gas packed packaging sheet of stereo article.
Fig. 4 a~Fig. 4 e is that the scheme drawing of portion is filled in the utility model resistance.
Fig. 5 be the utility model another can wrap up the scheme drawing of the gas packed packaging sheet of stereo article.
Fig. 6 is the scheme drawing of the utility model gas packed packaging sheet inflation back parcel stereo article.
Fig. 7 is the scheme drawing of the utility model gas packing bag inflation back parcel stereo article.
Fig. 8 is the cutaway view of Fig. 7 along straight line B-B direction.
The specific embodiment
Figure 3 shows that the utility model can wrap up the scheme drawing of the gas packed packaging sheet of stereo article.The potted line 20 that the gas packed packaging sheet comprises a plurality of gas column and is used to cut apart.Gas column comprises that the air bag 10 of vary in diameter, resistance fill portion 30 and non-return valve 40.Wherein, air bag 10 is provided with inflation inlet 50, is used for air bag 10 is put on the air.In the present embodiment, the gas of filling in the air bag 10 can be air, also can be unreactable gas.Potted line 20 is used to separate air bag 10, makes each air bag 10 independent separately, and separately independently the inflation inlet 50 of air bag 10 interconnect, therefore, only need once to inflate, can all air bags 11 in the gas packed packaging sheet be put on the air, raise the efficiency.In the present embodiment, under inflatable situation, the charge air of air bag 10 centre portions is less than the charge air at its two ends.Potted line 20 be shaped as strip shape, adopt the structure of the potted line of strip shape to be convenient to manufacture.
Resistance is filled portion 30 and is arranged on the air bag 10, is used to reduce the charge air of air bag 10.In the present embodiment, the cross sectional shape that portion 30 is filled in resistance is trapezoidal.The quantity that portion 30 is filled in resistance is a pair of, is arranged at the relative both sides of air bag 10.Resistance is filled portion 30 and can be formed by the mode of pressure mode or temperature.
At other embodiment of the utility model, the cross sectional shape that portion 30 is filled in resistance also can be other shapes, please refer to Fig. 4 a~Fig. 4 e, and wherein, Fig. 4 a and Fig. 4 b are rectangle; Fig. 4 c is a crescent; Fig. 4 d is a triangle.The quantity that portion 30 is filled in resistance also can be 1, consults Fig. 4 a and Fig. 4 d; Its quantity also can be for more than 2, and portion 30 is filled in a plurality of resistances also can be arranged on the same side, consults Fig. 4 e, are that 3 rectangular-shaped resistances are filled portion 30 and are arranged at homonymy.Certainly, the cross sectional shape that portion 30 is filled in resistance of the present utility model also can repeat no more here for irregularly shaped or with other forms of arrangement.
Non-return valve 40 is arranged at inflation inlet 50 places, the effect that has inflation and prevent to enter the gas backstreaming of air bag 10, it comprise the air valve film and be arranged at the air valve film and air bag 10 inwalls between heat-resisting Printing Department (not shown).In the present embodiment, the air valve film is pressed on air bag 10 inwalls, and withstand voltage Printing Department is used to avoid non-return valve 40 when hot-pressing processing, and air valve film and air bag 10 inwalls bond fully, and gas can't be entered.Therefore, when gas when inflation inlet 50 enters, gas enters air bag 10 through heat-resisting Printing Department, and air bag 10 is expanded, and finishes inflation; After inflation finishes,, form airtight conditions because the pressure effect of gas in the air bag 10 makes inflation inlet 50 be closed.That is, during inflation, gas can enter air bag 10 by non-return valve, and after the inflation end, non-return valve 40 can prevent gas backstreaming, avoids disappointing.
In other embodiment of the utility model, non-return valve 40 also can comprise two air valve film (not shown)s and be located in the middle heat-resisting Printing Department of two air valve films.After inflation finishes, under the effect of air bag 10 internal high pressure gases, two air valve films will be partial to the same side, and closely pressing forms airtight conditions in the inwall of air bag 10.Certainly, the structure of non-return valve 40 is not limited to mode listed above.
Figure 5 shows that the scheme drawing of another gas packed packaging sheet of the utility model.Consult Fig. 6 simultaneously, be the scheme drawing of the utility model gas packed packaging sheet inflation back parcel stereo article.Gas packed packaging sheet shown in Figure 5 and the utility model gas packed packaging chip architecture shown in Figure 3 is basic identical, difference is: among Fig. 5, the gas packed packaging sheet also comprises another kind of gas column, this gas column has the another kind of air bag 10 ' of diameter unmodified, the another kind of air bag 10 ' of this diameter unmodified is provided with another inflation inlet 50 ' that is used for it is put on the air, this another inflation inlet 50 ' interconnects with inflation inlet 50, and the another kind of air bag 10 of this diameter unmodified is cut apart by potted line 20 equally with the air bag 10 of vary in diameter.Therefore, the charge air of at least one side gas column of gas packed packaging sheet of present embodiment is less than the charge air of its other local gas column.In the specific embodiment, be the charge air of dual-side gas column charge air less than its other local gas column.
Consult Fig. 6 and Fig. 7, wherein, Figure 6 shows that the scheme drawing of the utility model gas packing bag inflation back parcel stereo article.Fig. 7 is the cutaway view of Fig. 6 along straight line B-B direction.In the utility model, gas packing bag is by later stage technology the gas packed packaging sheet to be bonded.That is, just forming gas packing bag after by later stage technology the bending of at least one side of gas packed packaging sheet being linked to each other, in the present embodiment, is the bending of gas packed packaging sheet two side ends to be linked to each other form gas packing bag.Therefore, the structure of the gas packing bag in the utility model and the utility model Fig. 3 and gas packed packaging sheet shown in Figure 5 is basic identical, repeats no more here.
When the gas filled device (not shown) is put on the air to air bag 10,10 ' by inflation inlet, gas enters air bag 10,10 ' along inflation inlet, air bag 10,10 ' is expanded form gas column, and because the existence of portion is filled in resistance, change the inflation scope after gas column is inflated, therefore, the charge air at coign 100 places will reduce.That is to say that this gas packing bag is bent into the charge air at coign place will be less than its other local charge air.When gas packing bag parcel stereo article, can contact with stereo article is docile, reach the effect of buffer protection.In the present embodiment, under the situation of inflatable body, the scope that portion is filled in related scope of the minimizing scope of charge airs and air bag 10 diameter variation and resistance in the coign 100 is relevant.Usually, it is big more that the sectional area of portion is filled in resistance, and the related scope of air bag 10 diameter variation is big more, and the charge air in the coign 100 is just few more, and the gas packing bag after the inflation also just can be fitted with stereo article more.
Therefore, gas packed packaging sheet of the present utility model is by the vary in diameter of gas column upper gasbag 10, change the inflation scope after gas column is inflated, to realize the purpose with a slice gas packed packaging sheet parcel stereo article, saving in material, reduce production costs, improve packaging efficiency.And use the gas packing bag of this gas packed packaging sheet, and also can reduce the charge air of coign 100, make the parcel stereo article that gas packing bag can be docile, for stereo article provides excellent protection, and simple in structure, can adapt to the needs of different size stereo article.