CN201128552Y

CN201128552Y - Bendable gas column and bendable gas packaging sheet using same

Info

Publication number: CN201128552Y
Application number: CNU2007201961073U
Authority: CN
Inventors: 郭幸昌
Original assignee: 郭幸昌
Current assignee: Tai'an Shengtai Automobile Parts Co., Ltd.
Priority date: 2007-12-17
Filing date: 2007-12-17
Publication date: 2008-10-08
Anticipated expiration: 2017-12-17

Abstract

A bendable gas column comprises a gas bag, an inflation port used for inflating the gas bag, and an airproof bent part used for bending are arranged on the gas bag. With the airproof bent part on the gas bag, the bendable gas column of the utility model can be bent freely, the bendable gas column has the advantages of simple structure and strong practicality. In addition, the utility model also provides a bendable gas packing sheet with the bendable gas column.

Description

A kind of bent gas column and use its bent gas packed packaging sheet

Technical field

The utility model relates to a kind of gas column and gas packed packaging sheet, relates in particular to a kind of bent gas column that can bend arbitrarily and uses its bent gas packed packaging sheet.

Background technology

In recent years, adopt the gas packed packaging sheet on the market usually, to avoid the damage of breaking of article as shock absorber.Traditional gas column package panel is linked by a plurality of gas column and forms, and 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 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 packed packaging sheet of this structure owing to can't bend arbitrarily behind the gas column inflation, for the article of three-dimensional shape, can't provide excellent protection, and make its use be subjected to bigger restriction.

The utility model content

The technical matters that the utility model solves provides a kind of practical, simple in structure, bent gas column that can bend arbitrarily.

In addition, also can provide a kind of simple in structure, bent gas packed packaging sheet of improving gas packed packaging sheet usability.

Goal of the invention of the present utility model is achieved through the following technical solutions:

A kind of bent gas column comprises: air bag, described air bag are provided with and are used for inflation inlet that it is put on the air and the airtight kink that is used to bend.

Above-mentioned bent gas column, wherein: the cross-sectional plane of described kink is less than the cross-sectional plane of described air bag.

Above-mentioned bent gas column, wherein: the cross sectional shape of described kink is circle, ellipse, triangle, trapezoidal, rhombus, rectangle or irregularly shaped.

Above-mentioned bent gas column, wherein: the quantity of described kink is at least one.

Above-mentioned bent gas column, wherein: described kink is to be made by plastics or plastic cement.

Above-mentioned bent gas column, wherein: described inflation inlet place also is provided with the non-return valve that is used to prevent gas backstreaming.

Above-mentioned bent gas column, 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.

Above-mentioned bent gas column, wherein: described non-return valve comprises two air valve films and is arranged at heat-resisting Printing Department between two air valve films.

A kind of bent gas packed packaging sheet comprises above-mentioned bent gas column and the potted line that is used to separate, and the inflation inlet of described bent gas column interconnects, and separates by described potted line between described air bag.

Above-mentioned bent gas packed packaging sheet, wherein: the kink on the described air bag is on the blend of same straight line, curve or straight line and curve.

Bent gas column of the present utility model by the kink that is provided with on the air bag, can bend arbitrarily, and is simple in structure, practical.And use the bent gas packed packaging sheet of this bent gas column; equally can be by the kink that is provided with on the air bag; allow the user according to the shape of desiring connection with wrapping of piece; make any bending along the kink of gas column; by being bent to form another buffer wall,, simple in structure so that buffer protection to be provided; and can improve the usability of gas packed packaging sheet, adapt to the needs of different size connection with wrapping of piece.

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.

Scheme drawing when Fig. 1 is the unaerated of the bent gas packed packaging sheet of the utility model.

Fig. 2 is the scheme drawing after the bent gas packed packaging sheet inflation of the utility model.

Fig. 3 is the scheme drawing of the bent gas packed packaging sheet inflation of the utility model back bending.

The specific embodiment

Scheme drawing when Figure 1 shows that the unaerated of the bent gas packed packaging sheet of the utility model.Consult Fig. 2 and Fig. 3 simultaneously, wherein, Fig. 2 is the scheme drawing after the bent gas packed packaging sheet inflation of the utility model, and Fig. 3 is the scheme drawing of the bent gas packed packaging sheet inflation of the utility model back bending.Bent gas packed packaging sheet comprises a plurality of the have bent gas column 10 of buffer action and the potted lines 20 that are used to separate.Bent gas column 10 comprises air bag 11, inflation inlet 12, the airtight kink 13 that is used to bend and non-return valve 14.

Inflation inlet 12 is arranged on the air bag 11, is used for air bag 11 is put on the air.In the present embodiment, the gas of filling in the gas column 10 can be air, also can be unreactable gas.Kink 13 is arranged on the air bag 11.When the gas filled device (not shown) is put on the air by 12 pairs of gas column 10 of inflation inlet; gas enters air bag 11 along inflation inlet 12; air bag 11 is expanded form gas column; and kink 13 stops passing through of gas, and, because kink 13 cross-sectional planes are less than the cross-sectional plane of air bag 11; therefore; gas column 10 after the inflation can bend arbitrarily along this kink 13, surrounds the space that is used to hold article, and the protection article avoid impaired.And the kink 13 in the utility model can form by the mode of pressure mode or temperature.

Non-return valve 14 is arranged at inflation inlet 12 places, the effect that has inflation and prevent to enter the gas backstreaming of air bag 11, it comprise the air valve film and be arranged at the air valve film and air bag 11 inwalls between heat-resisting Printing Department (not shown).In the present embodiment, the air valve film is pressed on air bag 11 inwalls, and withstand voltage Printing Department is used to avoid non-return valve 14 when hot-pressing processing, and air valve film and air bag 11 inwalls bond fully, and gas can't be entered.Therefore, when gas when inflation inlet 12 enters, gas enters air bag 11 through heat-resisting Printing Department, and air bag 11 is expanded, and finishes inflation; After inflation finishes,, form airtight conditions because the pressure effect of gas in the air bag 11 makes inflation inlet 12 be closed.That is, during inflation, gas can enter air bag 11 by non-return valve, and after the inflation end, non-return valve 14 can prevent gas backstreaming, avoids disappointing.

In other embodiment of the utility model, non-return valve 14 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 11 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 11.Certainly, the structure of non-return valve 14 is not limited to mode listed above.

In the present embodiment, the cross sectional shape of gas column 10 is a rectangle.In other embodiment of the utility model, the cross sectional shape of gas column 10 also can repeat no more here for oval or other shapes.

Therefore, gas column 10 of the present utility model, the kink 13 by being provided with on the air bag 11 can bend, and is simple in structure, practical.

In addition, in the gas packed packaging sheet, potted line 20 be shaped as strip shape, adopt the structure of the potted line of strip shape to help manufacturing.Separate by potted line 20 between adjacent two air bags 11, make each gas column 10 of gas packed packaging sheet independent separately, and, the inflation inlet 12 of gas column 10 interconnects, and therefore, only needs 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, have only a kink 13 on each air bag 11, each kink 13 is on same straight line, and the specific embodiment is on the same horizon, and kink 13 is to be made by plastics or plastic cement.During use, the gas packed packaging sheet bends with the shape of desiring connection with wrapping of piece along kink 13.

In other embodiments of the present utility model, each kink 13 also can be on the blend of same curve or straight line and curve, and certainly, kink 13 also can be on the V-type line that straight line and straight line combine or on other irregular line.The quantity of the kink 13 on each air bag 11 can be a plurality of (not shown)s.The quantity of kink 13 is determined by the shape of desiring connection with wrapping of piece.Usually shape more fitfull to desire the quantity of the needed kink 13 of connection with wrapping of piece many more, and the phase mutual edge distance between each kink 13 is determined by the shape of desiring connection with wrapping of piece.Usually the volume of the desire connection with wrapping of piece that shape is identical is big more, and the distance between the kink 13 is also big more.

In the utility model, the shape of kink 13 can be regular shape, as: circle, ellipse, triangle, trapezoidal, rhombus or rectangle etc., and also can be for irregularly shaped.

Therefore; gas packed packaging sheet of the present utility model; by the kink 13 that is provided with on the air bag 11; allow the user according to the shape of desiring connection with wrapping of piece, make any bending along the kink 11 of gas column 10, by being bent to form another buffer wall; so that buffer protection to be provided; simple in structure, and can improve the usability of gas packed packaging sheet, adapt to the needs of different size connection with wrapping of piece.

Claims

1. bent gas column comprises: air bag, described air bag are provided with and are used for inflation inlet that it is put on the air, it is characterized in that: also be provided with the airtight kink that is used to bend on the described air bag.

2. bent gas column according to claim 1 is characterized in that: the cross-sectional plane of described kink is less than the cross-sectional plane of described air bag.

3. bent gas column according to claim 1 and 2 is characterized in that: the cross sectional shape of described kink is circle, ellipse, triangle, trapezoidal, rhombus, rectangle or irregularly shaped.

4. bent gas column according to claim 3 is characterized in that: the quantity of described kink is at least one.

5. bent gas column according to claim 1 is characterized in that: described kink is to be made by plastics or plastic cement.

6. bent gas column according to claim 1 is characterized in that: described inflation inlet place also is provided with the non-return valve that is used to prevent gas backstreaming.

7. bent gas column according to claim 1 is characterized in that: 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.

8. bent gas column according to claim 1 is characterized in that: described non-return valve comprises two air valve films and is arranged at heat-resisting Printing Department between two air valve films.

9. bent gas packed packaging sheet, comprise the potted line that is used to separate, it is characterized in that: described gas packed packaging sheet also comprises according to claim 1 to 8 any described bent gas column, the inflation inlet of described bent gas column interconnects, and separates by described potted line between described air bag.

10. bent gas packed packaging sheet according to claim 9, it is characterized in that: the kink on the described air bag is on the blend of same straight line, curve or straight line and curve.