CN205396902U - Packing bag - Google Patents
Packing bag Download PDFInfo
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- CN205396902U CN205396902U CN201620146880.8U CN201620146880U CN205396902U CN 205396902 U CN205396902 U CN 205396902U CN 201620146880 U CN201620146880 U CN 201620146880U CN 205396902 U CN205396902 U CN 205396902U
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- bag
- heat
- sealing bar
- back cover
- packaging bag
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Abstract
The utility model provides a packing bag, which comprises a body, the body forms by the preparation of packing bag film, just the packing bag film in proper order is PE film, nylon layer, aluminium membrane, PET film to outer including the four -layer structure from interior, the body includes sack, bag body and bag body back cover, the bag body is the type of falling the funnel, the sack be bottleneck form with the bag body links to each other, bag body back cover is the toper form, bag body back cover with the bag body is connected the cross section and is provided with three heat -seal strips, the bag still is provided with the pneumatic valve on one's body, the outside plastics material that adopts of pneumatic valve is made, the inside rubber material that adopts of pneumatic valve is made. The utility model provides a sealed firm, bearing capacity is strong, long service life's packing bag.
Description
Technical field
This utility model relates to packaging field, is specifically related to a kind of packaging bag.
Background technology
Along with gradually stepping up of people's living standard, and the continuous lifting to quality of life requirement, packaging bag has already taken up indispensable very important status in the life of people in the present age, and it is a typical fields of packing technique longitudinal extension, plays irreplaceable effect.Packaging bag refers to the sack for packing various articles for use, makes goods convenient transport in producing the process of circulation, it is easy to storage, is widely used in daily life and commercial production.Packaging bag as packing liquid, semifluid, powder body etc., it is proposed that the multiple film constituted by overlapping multiple films is formed as bag-shaped packaging bag.In use, often there is the phenomenon causing packaging bag damaged because the impulsive force of junction is more weak, bearing capacity is poor in existing packaging bag.There is the problems such as overall impact resistance is poor, and toughness is not enough, and sealing is undesirable with barrier property in existing packaging bag.For solving the problems referred to above, this utility model provides one to seal firmly, and bearing capacity is strong, the packaging bag of long service life.
Utility model content
This utility model provides a kind of packaging bag, seals firmly, and bearing capacity is strong, the packaging bag of long service life.In order to realize above-mentioned technique effect, this utility model adopts the following technical scheme that
A kind of packaging bag, including body, described body is made by packaging bag thin film, and described packaging bag thin film includes four-layer structure from the inside to the outside, is followed successively by PE thin film, nylon layer, aluminum film, PET film, described body includes bag mouth, bag body and bag back cover, described bag body is in falling funnel type, and described bag mouth is that bottleneck shape is connected with described bag body, the described tapered shape of bag back cover, described bag back cover is connected infall and is provided with three road heat-sealing bars with described bag body, is additionally provided with air valve with described bag.
A kind of packaging bag that this utility model provides, can also be further arranged to be arranged on described in three roads the inner surface of described bag back cover heat-sealing bar, it is followed successively by heat-sealing bar one, heat-sealing bar two, heat-sealing bar three from outside to inside, described heat-sealing bar one is arranged on the periphery of described bag back cover, and the spacing of described heat-sealing bar one and described heat-sealing bar two is set to 1-3 millimeter, the spacing of described heat-sealing bar two and described heat-sealing bar three is set to 2-5 millimeter.
A kind of packaging bag that this utility model provides, described air valve can also be further arranged to and be arranged on the centre position of described body one side, described air valve includes valve body, sealing member and intermediate plate, the centre of described valve body is provided with a circular groove, the bottom of described circular groove is provided with equally distributed pore, described circular groove be connected with described intermediate plate, described lid is arranged on the top of described circular groove, and described sealing member is arranged between described bag body and described valve body.
A kind of packaging bag that this utility model provides, it is also possible to be further arranged to described air valve outside employing plastic material and make, described air valve is internal adopts quality of rubber materials to make.
Advantage of the present utility model and having the beneficial effects that: to sum up, a kind of packaging bag that this utility model provides, makes sealing place of described bag body and described bag body seal more firm with the junction of described bag back cover, strengthens bearing capacity and the impulsive force of packaging bag, and oxygen barrier, shielding is good.Wherein:
1. bag mouth described in is bottleneck shape, and charging aperture is little is easy to sealing, and is conveniently enclosed within equipment exit position and feeds, and after closing bag mouth due to packaging bag, the closure of described bag mouth is poor, and described bag body, in falling funnel type, strengthens the seal of described bag mouth.
2. it is arranged on the inner surface of described bag back cover with sealing bar described in three roads, the PE thin layer of described bag body is made to seal with the PE thin layer of described bag back cover, strengthen the firm intensity of sealing of described bag body and described bag back cover junction, improve the bearing capacity of packaging bag, increase the service life, increase operation rate.
3. the spacing sealing bar one and described heat-sealing bar two described in is set to 1-3 millimeter, the spacing of described heat-sealing bar two and described heat-sealing bar three is set to 2-5 millimeter, limit described heat-sealing bar one and described heat-sealing bar two, the spacing of described heat-sealing bar two and described heat-sealing bar three is within the scope of this, enhance the sealing strength of described bag body and the junction of described bag back cover better, improve the impulsive force of packaging bag, extend the service life of packaging bag.
4. described in, the centre position of body one side is provided with air valve, prevents the air outside packaging bag from entering packaging bag, relatively rapidly discharged by the gas in bag simultaneously during use, ensure the quality of product in bag, the structure of described air valve is not only completely embedded, and oxygen barrier, moisture effect are good, and exhaust efficiency is high.
Accompanying drawing explanation
Carry out describing in detail or preferably to preferred implementation of the present utility model below in conjunction with accompanying drawing, wherein,
Fig. 1 is the schematic diagram of a kind of packaging bag of this utility model；
Fig. 2 is the expansion schematic diagram of the bag back cover of a kind of packaging bag of this utility model；
Fig. 3 is the top view of the valve body of a kind of packaging bag of this utility model；
Fig. 4 is the upward view of the valve body of a kind of packaging bag of this utility model；
Wherein: 1. 3. bags of body 4. bag back cover 5. air valve 6-1. of body 2. bag mouth seal bar one 6-2. and seal bar two 6-3. heat-sealing bar 3 8. valve body 9. sealing member 10. intermediate plate 11. circular groove.
Detailed description of the invention
With reference to figures 1 through Fig. 4, the embodiment of a kind of packaging bag of this utility model is described further:
A kind of packaging bag, including body 1, described body 1 is made by packaging bag thin film, and described packaging bag thin film includes four-layer structure from the inside to the outside, is followed successively by PE thin film, nylon layer, aluminum film, PET film, described body 1 includes bag mouth 2, bag body 3 and bag back cover 4, described bag body 3 is in falling funnel type, and after closing bag mouth 2 due to packaging bag, the closure of described bag mouth 2 is poor, described bag body 3, in falling funnel type, strengthens the seal of described bag mouth 2；Described bag mouth 2 is connected with described bag body 3 in bottleneck shape, charging aperture is little is easy to sealing, and be conveniently enclosed within equipment exit position and feed, the described tapered shape of bag back cover 4, described bag back cover 4 is connected infall and is provided with three road heat-sealing bars with described bag body 3, and described bag body 3 is additionally provided with air valve 5.
It is arranged on the inner surface of described bag back cover 4 with sealing bar described in three roads, the PE thin layer of described bag body 3 is made to seal with the PE thin layer of described bag back cover 4, strengthen the firm intensity of sealing of described bag body 3 and described bag back cover 4 junction, improve the bearing capacity of packaging bag, increase the service life, increase operation rate；It is followed successively by heat-sealing bar one 6-1 from outside to inside, heat-sealing bar two 6-2, heat-sealing bar three 6-3, described heat-sealing bar one 6-1 is arranged on the periphery of described bag back cover 4, and the spacing of described heat-sealing bar one 6-1 and described heat-sealing bar two 6-2 is set to 1-3 millimeter, the spacing of described heat-sealing bar two 6-2 and described heat-sealing bar three 6-3 is set to 2-5 millimeter, limit described heat-sealing bar one 6-1 and described heat-sealing bar two 6-2, the spacing of described heat-sealing bar two 6-2 and described heat-sealing bar three 6-3 is within the scope of this, enhance the sealing strength of described bag body 3 and the junction of described bag back cover 4 better, improve the impulsive force of packaging bag, extend the service life of packaging bag.
Described air valve 5 is arranged on the centre position of described body 1 one side, described air valve 5 includes valve body 8, sealing member 9 and intermediate plate 10, the centre of described valve body 8 is provided with a circular groove 11, the bottom of described circular groove 11 is provided with equally distributed pore, described circular groove 11 be connected with described intermediate plate 10, described sealing member 9 is arranged between described bag body 3 and described valve body 8, prevent the air outside packaging bag from entering packaging bag during use, relatively rapidly the gas in bag is discharged, it is ensured that the quality of product in bag simultaneously.Described air valve 5 is outside adopts plastic material to make, and described air valve is internal adopts quality of rubber materials to make, and the structure of described air valve 5 is not only completely embedded, and oxygen barrier, moisture effect are good, and exhaust efficiency is high.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; it is not limited to this utility model; although this utility model being described in detail with reference to previous embodiment; for a person skilled in the art; technical scheme described in foregoing embodiments still can be modified by it; or wherein portion of techniques feature is carried out equivalent replacement; all within spirit of the present utility model and principle; any amendment of being made, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (4)
1. a packaging bag, it is characterized in that, including body (1), described body (1) is made by packaging bag thin film, and described packaging bag thin film includes four-layer structure from the inside to the outside, it is followed successively by PE thin film, nylon layer, aluminum film, PET film, described body (1) includes bag mouth (2), bag body (3) and bag back cover (4), described bag body (3) is in falling funnel type, described bag mouth (2) is connected with described bag body (3) in bottleneck shape, the tapered shape of described bag back cover (4), described bag back cover (4) is connected infall and is provided with three road heat-sealing bars with described bag body (3), described bag body (3) is additionally provided with air valve (5).
2. a kind of packaging bag according to claim 1, it is characterized in that, it is arranged on the inner surface of described bag back cover (4) with sealing bar described in three roads, it is followed successively by heat-sealing bar one (6-1), heat-sealing bar two (6-2), heat-sealing bar three (6-3) from outside to inside, described heat-sealing bar one (6-1) is arranged on the periphery of described bag back cover (4), and the spacing of described heat-sealing bar one (6-1) and described heat-sealing bar two (6-2) is set to 1-3 millimeter, the spacing of described heat-sealing bar two (6-2) and described heat-sealing bar three (6-3) is set to 2-5 millimeter.
3. a kind of packaging bag according to claim 1, it is characterized in that, described air valve (5) is arranged on the centre position of described body (1) one side, described air valve (5) includes valve body (8), sealing member (9) and intermediate plate (10), the centre of described valve body (8) is provided with a circular groove (11), the bottom of described circular groove (11) is provided with equally distributed pore, described circular groove (11) be connected with described intermediate plate (10), described sealing member (9) is arranged between described bag body (3) and described valve body (8).
4. a kind of packaging bag according to claim 1, it is characterised in that described air valve (5) is outside adopts plastic material to make, described air valve is internal adopts quality of rubber materials to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620146880.8U CN205396902U (en) | 2016-02-29 | 2016-02-29 | Packing bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620146880.8U CN205396902U (en) | 2016-02-29 | 2016-02-29 | Packing bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205396902U true CN205396902U (en) | 2016-07-27 |
Family
ID=56425170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620146880.8U Active CN205396902U (en) | 2016-02-29 | 2016-02-29 | Packing bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205396902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792261A (en) * | 2017-05-02 | 2018-11-13 | 沈迪 | Sealing container and sealing cover and its sealing film |
-
2016
- 2016-02-29 CN CN201620146880.8U patent/CN205396902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792261A (en) * | 2017-05-02 | 2018-11-13 | 沈迪 | Sealing container and sealing cover and its sealing film |
| CN108792261B (en) * | 2017-05-02 | 2020-10-27 | 沈迪 | Sealed container, sealed cap and sealed film thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |