CN110589200A - Liquid packaging bag structure - Google Patents
Liquid packaging bag structure Download PDFInfo
- Publication number
- CN110589200A CN110589200A CN201910942767.9A CN201910942767A CN110589200A CN 110589200 A CN110589200 A CN 110589200A CN 201910942767 A CN201910942767 A CN 201910942767A CN 110589200 A CN110589200 A CN 110589200A
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- Prior art keywords
- inner bag
- bag
- bag structure
- forming portion
- structure according
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- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 19
- 239000002920 hazardous waste Substances 0.000 description 11
- 239000002184 metal Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 239000013043 chemical agent Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 231100001261 hazardous Toxicity 0.000 description 2
- 239000000383 hazardous chemical Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229920009441 perflouroethylene propylene Polymers 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000002910 solid waste Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- PEVRKKOYEFPFMN-UHFFFAOYSA-N 1,1,2,3,3,3-hexafluoroprop-1-ene;1,1,2,2-tetrafluoroethene Chemical compound FC(F)=C(F)F.FC(F)=C(F)C(F)(F)F PEVRKKOYEFPFMN-UHFFFAOYSA-N 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/16—Bags or like containers made of paper and having structural provision for thickness of contents of special shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
Abstract
The application discloses a liquid packaging bag structure, which comprises an inner bag and an outer shell, wherein the inner bag is arranged in the outer shell, the inner bag is provided with an opening part and a cavity for containing liquid, and the outer shell is provided with a containing part for containing the inner bag; the liquid in the inner bag is discharged, and the liquid flows out of the inner bag through the opening. Compared with the prior art, inner bag and shell in this application mutually support, can realize holding and empting of liquid, and the practicality is strong, and convenient to use just can reduce the useless weight of danger by a wide margin.
Description
Technical Field
This application belongs to the product extranal packing field, concretely relates to liquid packaging bag structure.
Background
A common existing package for hazardous chemical agents is a glass bottle. The high-quality glass has the advantages of less impurity precipitation and good chemical compatibility, and can be used for containing various chemical reagents. However, after hazardous chemicals are used, direct contact packaging becomes a hazardous solid waste that must be handled at a premium unit charge and on a weight basis. The weight of a 4L glass bottle is about 1.5kg generally, namely 1.5kg of hazardous waste, the charge of the hazardous solid waste is about 1 ten thousand per ton at present, namely, a 4L glass bottle is taken as the hazardous waste and is paid to a hazardous waste recovery unit 1.5 x 10 ═ 15 Yuan, so the maximum problem of the glass bottle is that the generation amount of the hazardous waste is large, and the processing cost of the hazardous waste is high. Secondly, once the glass bottle is broken, the damage to the personnel who use, carry and keep a public place clean is great.
The existing non-glass packaging structure consists of a disposable lining and an outer barrel body which is used for a long time, wherein the outer barrel body is made of plastic or metal materials and has a volume from 20L to 1000L, the top of the barrel body is provided with an air inlet for introducing inert gas to compress the lining in the barrel and liquid in the lining, extruded liquid is output through a pipeline, and the lining is replaced after each use. However, this structure has the following problems: 1) there is a problem of residual liquid since the liquid inside is pressed out by pressing the liner. 2) It is inconvenient to use and a pneumatic pipe system must be additionally assembled. The outer barrel body is made of metal, plastic and the like, the whole weight of the outer barrel body with the volume of 20L or even 200L is large, manual dumping cannot be easily carried out, and an air pressure pipeline system must be assembled. 3) High cost and limits the development of the industry. The purchase of the outer tub and the installation of the pneumatic pipe system are both rather expensive and therefore have a narrow field of application, which is currently only applied in fields where the demand for the amount of use is very high and where special requirements have to be applied, such as low moisture content.
Disclosure of Invention
To the shortcoming or not enough of above-mentioned prior art, the technical problem that this application will be solved provides a simple structure, convenient to use, cost economy and the liquid packaging bag structure that the practicality is strong.
In order to solve the technical problem, the application is realized by the following technical scheme:
a liquid packaging bag structure comprises an inner bag and an outer shell, wherein the inner bag is arranged in the outer shell and provided with an opening part and a cavity for containing liquid, and the outer shell is provided with an accommodating part for accommodating the inner bag; discharging the liquid from the inner bag, the liquid flowing out of the package structure through the opening.
Further, in the above-mentioned packaging bag structure, the inner bag is of an asymmetric structure and the center of gravity of the inner bag is biased to one side of the inner bag.
Further, in the above-mentioned packaging bag structure, the inner bag includes at least one side forming portion, the side forming portion encloses to form a cavity, and an opening is reserved in the cavity.
Further, in the above-mentioned packaging bag structure, when one side forming portion is provided, the side forming portion is an integrally formed structure, or an end of the side forming portion is fixedly connected.
Further, in the above-mentioned packaging bag structure, the inner bag further includes at least one bottom surface forming portion, and the bottom surface forming portion and the side surface forming portion are mutually engaged and enclose to form a cavity.
Further, in the above-mentioned packaging bag structure, an edge of the bottom forming portion is of a straight line or a curved line structure, and an edge of the side forming portion is of a straight line or a curved line structure, wherein the bottom forming portion and the side forming portion correspondingly disposed are mutually matched and connected.
Further, in the above-described packaging bag structure, a detachable fixing portion is further provided outside the opening portion.
Further, in the above-mentioned packaging bag structure, the housing is further provided with a through hole, and the opening portion is disposed outside the through hole in a use state.
Further, in the above-mentioned packaging bag structure, when in use, the inner bag is disposed in the outer shell, and the fixing portion is disposed near the outer side of the through hole.
Further, in the above-described packaging bag structure, a shaping strip is further provided outside the opening portion.
Further, in the above packaging bag structure, the shaping strip is further provided with a handle.
Further, in the above packaging bag structure, the inner bag is wrapped around the outer shell, or the inner bag is wrapped around the outer shell.
Further, in the above-mentioned packaging bag structure, the through hole is of a closed structure or a non-closed structure.
Further, in the above packaging bag structure, the casing is further provided with a hole convenient to move.
Further, in the above packaging bag structure, two sides of the outer shell are further provided with a supporting portion.
Further, in the above packaging bag structure, the inner bag is made of plastic.
Compared with the prior art, the method has the following technical effects:
the inner bag in this application is lighter than traditional packing, and the danger of production is useless still less. Compared with glass bottles, the inner bag of the glass bottle bag is 1.5kg of 4L glass bottles, and the inner bag only accounts for about 1-10% of the weight of the glass bottles, so that the weight of hazardous wastes is reduced by about 90-99%, the treatment cost of the hazardous wastes of enterprises is reduced by 90-99%, and the damage to the environment is also reduced;
moreover, after the weight of the package is reduced, a customer feels lighter and is easier to operate when using the same 4L package; the reduction of the overall weight also reduces the transportation cost; the risk of harm to human bodies after glass is broken is eliminated after the traditional glass bottle is replaced;
the inner bag is made of fluorine-containing materials, so that impurities are not separated out, and the quality of liquid such as high-quality chemical agent contained in the inner bag is not influenced; the shell of the liquid pouring device can be made of recyclable materials such as hard paper, plastics, high polymer materials and metals, and mainly plays a supporting role and is matched with the inner bag to conveniently pour the liquid in the inner bag.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the structure of the liquid packaging bag is schematically shown;
FIG. 2: the structure of the inner bag in the application is shown schematically;
FIG. 3: the structural diagram of the shell in the application is shown as I;
FIG. 4: the structural schematic diagram of the housing in this application is two.
Detailed Description
The conception, specific structure and technical effects of the present application will be further described in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present application.
As shown in fig. 1, the liquid packaging bag structure of the present embodiment includes an inner bag 10 and an outer shell 20, the inner bag 10 is disposed in the outer shell 20, the inner bag 10 is provided with an opening 12 and a cavity 11 for containing liquid, and the outer shell 20 is provided with an accommodating portion 21 for accommodating the inner bag 10; the liquid in the inner bag 10 is discharged and the liquid flows out of the inner bag 10 through the opening 12. Inner bag 10 and shell 20 in this application mutually support, can realize holding and empting of liquid, and the practicality is strong, and convenient to use just can reduce the useless weight of danger by a wide margin.
The inner bag 10 is placed inside the outer shell 20, and the outer shell 20 can increase the firmness of the inner bag 10 during transportation, storage and carrying, and plays a role in protecting the inner bag 10.
Further, the housing 20 is further provided with a through hole 22, and the opening 12 can be disposed through the through hole 22 in a use state. The outer shell 20 is provided with a through hole 22 to facilitate the opening 12 of the inner bag 10 to extend out of the outer shell 20, and the opening 12 is fixed to a certain degree to facilitate pouring.
In the present embodiment, the inner bag 10 is made of a fluorine-containing material, such as polytetrafluoroethylene, fluorinated ethylene propylene copolymer (perfluoroethylene propylene copolymer, FEP), tetrafluoroethylene and perfluoroalkylvinylether copolymer (perfluoroalkylate, soluble polytetrafluoroethylene, PFA), tetrafluoroethylene and ethylene copolymer, tetrafluoroethylene and vinylidene fluoride copolymer, which hardly precipitates impurities and does not affect the quality of a liquid such as a high-quality chemical contained therein. Of course, this embodiment may be used not only to place or contain chemical agents, but also to contain other liquids than the above-mentioned chemical agents. Moreover, the liquid contained in the bottle can be poured into or poured out by matching with the fixing part 13 which is described below, the bottle is light in weight and convenient to use, and compared with a traditional glass bottle, the weight of hazardous waste can be reduced by about 90-99%, damage to the environment is reduced, and the hazardous waste treatment cost of enterprises is also reduced.
The inner bag 10 is of an asymmetric structure and the center of gravity of the inner bag is deviated to one side of the inner bag. The inner bag 10 of the present embodiment has an asymmetric structure, and the center of gravity of the inner bag is deviated to one side of the inner bag, so that the liquid can be poured conveniently, when the inner bag is used in combination with the outer shell 20 for supporting the inner bag, the center of gravity of the inner bag 10 is arranged close to one side wall of the outer shell 20 (preferably, arranged close to the side wall provided with the through hole), which is more stable and more favorable for pouring the liquid.
In the use state, the inner bag 10 is disposed in the housing 20, and the fixing portion 13 may be disposed near the outside of the through hole 22, so that the opening portion 12 can be fixed from the outside easily in the middle of pouring. The arrangement is in the outside setting, be convenient for after empting convenient fixed the inner bag 10.
In this embodiment, the inner bag 10 has a structure with a small top and a large bottom or a structure with the same size. When the inner bag 10 contains liquid, the inner bag can be placed stably, wherein the opening portion 12 can be arranged at the upper portion or the lower portion of the inner bag 10, the liquid can be contained or poured conveniently and easily, the arrangement position of the opening portion 12 can be properly selected according to actual needs, and the arrangement position does not limit the protection scope of the application. The present embodiment merely illustrates one of the inner bags 10 with a small upper part and a large lower part, and does not limit the scope of the present application.
The inner bag 10 comprises at least one side forming part, which encloses a cavity, wherein an opening 12 is reserved in the cavity. In the present embodiment, as shown in fig. 2, only one of the realizations is illustrated, that is, the inner bag 10 comprises two side forming parts which are mutually matched and connected, the structure is simple, and the existing dead angle is less. Of course, in practical use, the side forming parts can be mutually fixed to form an inner bag 10 with a cavity 11.
Further, when one side forming part is provided, the side forming part is of an integrally molded structure, or the end parts of the side forming parts are fixedly connected.
In this embodiment, the inner bag 10 further includes at least one bottom forming portion to enhance the placing stability, and the bottom forming portion and the side forming portion are engaged with each other and form a cavity, wherein an opening 12 is reserved in the cavity.
Preferably, the side forming parts are asymmetric structures, so as to obtain the inner bag 10 with a center of gravity biased to one side, and the inner bag 10 can stand more stably.
The edge of the bottom surface forming part is of a linear or curved structure, the edge of the side surface forming part is of a linear or curved structure, and the bottom surface forming part and the side surface forming part which is correspondingly arranged are mutually matched and connected; wherein, the side forming part can be provided with one or more. That is, when the edge of the side surface forming part is in a linear structure, the bottom surface forming part used in cooperation with the side surface forming part is also in a linear structure, so that the edges of the side surface forming part and the bottom surface forming part can be fixed together to realize fixation; when the edge of the side face forming part is of a curved structure, the bottom face forming part matched with the side face forming part is of a curved structure, so that the edges of the side face forming part and the bottom face forming part can be fixed together to realize fixation; of course, the edge of the side surface forming part or the bottom surface forming part may also have a combination of a straight line structure and a curved line structure, that is, a part of the straight line structure and a part of the curved line structure.
When the edge of the side forming part is a straight line structure, the side forming part may be a non-isosceles quadrilateral structure or a non-isosceles triangle structure, and the illustration is merely an example and does not limit the scope of the present application.
In this embodiment, a fixing portion 13 is further disposed outside the opening portion 12, wherein the fixing portion 13 is detachably connected to the outside of the opening portion 12. Fixing the fixing portion 13, and closing the opening 12; the fixing portion 13 is opened, and the opening portion 12 is opened.
Further, a fixing strip 14 is arranged on the outer side of the opening part 12, wherein the fixing strip 14 is fixed on the outer side of the opening part 12, and the fixing strip 14 can keep the opening part 12 in a fixed shape and facilitate the injection and the pouring of the liquid.
The shape-fixing strip 14 may be made of metal wire, metal strip, metal sheet or other shape-fixing material.
In this embodiment, the two molding strips 14 are preferably provided, and the two molding strips 14 are provided to face each other with the opening 12 therebetween, and portions thereof which extend beyond the inner bag 10 are fixed to each other. Of course, the profile strip 14 may also be provided as an integrally formed structure.
Wherein, a handle 15 is arranged at the middle of each shaping strip 14 and protrudes outwards to facilitate the stretching of the shape of the shaping strip 14.
The inner bag 10 is wrapped around the outer shell 20, or the inner bag 10 is partially wrapped by the outer shell 20. Wherein, fig. 3 and fig. 4 respectively illustrate two achievable structures of the outer shell 20 partially wrapping the inner bag 10.
As shown in fig. 3, which illustrates a case where the through hole 22 is a closed structure, as shown in fig. 4, which illustrates a case where the through hole 22 is a non-closed structure, and whether the through hole is specifically configured as the closed structure or the non-closed structure may be appropriately selected according to actual needs, which does not limit the protection scope of the present application.
In order to further facilitate the operation of the packaging structure by an operator, the casing 20 is further provided with a hole 23 for facilitating movement, wherein the hole 23 is used for placing a finger so as to facilitate lifting the packaging structure, pouring the liquid inside or moving the packaging structure to a position; of course, a handle or the like may be provided on the outside of the housing 20 for easy movement.
In order to further improve the stability of the outer shell 20, support portions 24 are further provided on both sides of the outer shell 20, wherein the support portions 24 may be a portion from the side edges of the outer shell 20, and the support portions 24 just snap-fit on the side edges of the support portions 24 after being closed; of course, a mounting rack can be separately arranged outside the housing 20, so that the whole body is more stable, and the placement in use is facilitated.
The housing 20 may be made of recyclable materials such as hard paper, plastic, polymer materials, or metal.
The housing 20 may also be provided with a baffle 25 disposed beyond the bottom surface, as shown in FIG. 4; of course, the baffle may also be absent, as shown in FIG. 3.
In this embodiment, the edge of the outer shell 20 may be one or more combinations of a straight line structure and a curved line structure, and fig. 3 and 4 illustrate two embodiments in which the edge of the outer shell 20 is a straight line structure, respectively, but do not limit the scope of the present application.
The inner bag in this application is lighter than traditional packing, and the danger of production is useless still less. Compared with 1.5kg of glass bottles, the inner bag of the glass bottle bag is only about 1-10% of the weight of the glass bottles, so that the weight of hazardous wastes is reduced by about 90-99%, the treatment cost of the hazardous wastes of enterprises is reduced by 90-99%, and the damage to the environment is also reduced. Moreover, after the weight of the package is reduced, a customer feels lighter and is easier to operate when using the same 4L package; the reduction of the overall weight also reduces the transportation cost; the risk of harm to human bodies after glass is broken is eliminated after the traditional glass bottle is replaced; the inner bag is made of fluorine-containing materials, so that impurities are not separated out, and the quality of liquid such as high-quality chemical agent contained in the inner bag is not influenced; the shell of the liquid pouring device can be made of recyclable materials such as hard paper, plastics, high polymer materials and metals, and mainly plays a supporting role and is matched with the inner bag to conveniently pour the liquid in the inner bag. Therefore, the method has a wide market application prospect.
It should be understood that although the terms first, second, third, etc. may be used in the embodiments of the present application to describe certain components, these components should not be limited by these terms. These terms are only used to distinguish one component from another. For example, a first certain component may also be referred to as a second certain component, and similarly, a second certain component may also be referred to as a first certain component without departing from the scope of embodiments herein.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.
Claims (16)
1. A liquid packaging bag structure is characterized in that,
the packaging bag structure comprises an inner bag and an outer shell, and the inner bag is arranged in the outer shell;
the inner bag is provided with an opening part and a cavity for containing liquid, and the shell is provided with an accommodating part for placing the inner bag;
discharging the liquid in the inner bag, the liquid flowing out of the inner bag through the opening portion.
2. The bag structure according to claim 1, wherein the inner bag is asymmetric and has a center of gravity shifted to one side.
3. The bag structure according to claim 1 or 2, wherein the inner bag comprises at least one side forming portion, the side forming portion enclosing a cavity, wherein the cavity is provided with an opening.
4. The bag structure according to claim 3, wherein when one of the side forming portions is provided, the side forming portion is of an integrally formed structure, or ends of the side forming portion are fixedly connected.
5. The bag structure of claim 3, wherein the inner bag further comprises at least one bottom forming portion, the bottom forming portion and the side forming portion cooperate with each other and form a cavity.
6. The bag structure as claimed in claim 5, wherein the bottom forming portion has a straight or curved edge and the side forming portion has a straight or curved edge, wherein the bottom forming portion and the side forming portion are cooperatively connected.
7. The packaging bag structure according to claim 1 or 2, wherein a detachable fixing portion is further provided outside the opening portion.
8. The bag structure according to claim 1 or 2, wherein the housing further has a through hole, and the opening is disposed so as to pass through the through hole in a use state.
9. The bag structure according to claim 8, wherein the fixing portion is disposed near an outer side of the through hole when the inner bag is disposed in the outer case.
10. The packaging bag structure according to claim 1 or 2, wherein a shaping strip is further provided outside the opening portion.
11. The bag structure as claimed in claim 10, wherein the shape-fixing strip is further provided with a handle.
12. The bag structure according to claim 1 or 2, wherein the outer shell is wrapped around the inner bag, or the outer shell portion is wrapped around the inner bag.
13. The bag structure as claimed in claim 1 or 2, wherein the through hole is of a closed type or a non-closed type.
14. The bag structure according to claim 1 or 2, wherein the housing is further provided with holes for easy movement.
15. The packaging bag structure according to claim 1 or 2, wherein a support portion is further provided on both sides of the outer case.
16. The packaging bag structure according to claim 1 or 2, wherein the inner bag is made of a fluorine-containing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942767.9A CN110589200A (en) | 2019-09-30 | 2019-09-30 | Liquid packaging bag structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910942767.9A CN110589200A (en) | 2019-09-30 | 2019-09-30 | Liquid packaging bag structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110589200A true CN110589200A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910942767.9A Pending CN110589200A (en) | 2019-09-30 | 2019-09-30 | Liquid packaging bag structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110589200A (en) |
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