CN211197137U - Powder material packaging bag - Google Patents
Powder material packaging bag Download PDFInfo
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- CN211197137U CN211197137U CN201922217088.3U CN201922217088U CN211197137U CN 211197137 U CN211197137 U CN 211197137U CN 201922217088 U CN201922217088 U CN 201922217088U CN 211197137 U CN211197137 U CN 211197137U
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Abstract
A powder material packaging bag, comprising: an outer bag, an inner bag and a sealing strip; the inner bag is an airtight bag, and the outer bag is a breathable bag; the inner bag is arranged inside the outer bag; the inner bag is hermetically connected with the bottom of the outer bag; the bag sealing strip is in a strip shape and is arranged on the inner side of the opening at the upper end of the outer bag; the bag sealing strip extends from one end of the opening of the outer bag to the other end of the opening of the outer bag; the horizontal height of the upper edge of the opening of the inner bag is higher than the horizontal height of the horizontal center line of the bag sealing strip; the outer bag and the inner bag are attached to form a closed whole along the bag sealing strip, the closed whole is folded to form a folded whole, the folded whole is kept in a folded state through the fixing mechanism, and air holes communicated with the inner bag are formed in the folded whole. The utility model provides a powder material wrapping bag can only seal powder material after packing into a large amount of gaseous powder materials, can discharge the gas in the powder simultaneously.
Description
Technical Field
The utility model relates to a wrapping bag, concretely relates to powder material wrapping bag belongs to battery material technical field.
Background
With the development of the dry battery industry, the battery technology is continuously updated in an iterative manner. In the field of dry cell manufacture, the electrolytic manganese dioxide is an excellent cell depolarizer, and it has the characteristics of large discharge capacity, strong activity, small volume and long service life, compared with the dry cell produced by natural discharge manganese dioxide, the discharge capacity of the dry cell made up by mixing 20-30% of EMD can be raised by 50-100% as compared with the dry cell made up by using natural MnO2, and the discharge capacity of the alkaline manganese cell made up by using EMD can be raised by 2-3 times by mixing 50-70% of EMD in the high-performance zinc chloride cell, so that the electrolytic manganese dioxide becomes a very important raw material for cell industry.
However, the specific gravity of the electrolytic manganese dioxide tail powder is light and is below 0.4g/cm3, and the particles are small and are much smaller than 1 um. Meanwhile, in large-scale industrial production, the powder materials are mostly conveyed in a gas conveying mode, so that a large amount of gas exists in a packaging bag when the powder is packaged, and if the powder is directly packaged by a woven bag, a large amount of powder is taken out when the gas is discharged, so that the environmental pollution is caused; if the packaging bag made of non-breathable materials is used, the gas cannot be exhausted, the packaging bag needs to be sealed after air suction, the packaging speed is low, and the cost is high.
Therefore, it is an urgent technical problem for those skilled in the art to provide a powder material packaging bag that can seal only a powder material containing a large amount of gas and discharge the gas from the powder.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art, the utility model discloses can pack electrolytic manganese dioxide powder by the efficient, improve production efficiency, practice thrift manufacturing cost. The utility model provides a powder material wrapping bag, this wrapping bag includes: an outer bag, an inner bag and a sealing strip; the inner bag is an airtight bag, and the outer bag is a breathable bag; the inner bag is arranged inside the outer bag; the inner bag is hermetically connected with the bottom of the outer bag; the bag sealing strip is in a strip shape and is arranged on the inner side of the opening at the upper end of the outer bag; the bag sealing strip extends from one end of the opening of the outer bag to the other end of the opening of the outer bag; the horizontal height of the upper edge of the opening of the inner bag is higher than the horizontal height of the horizontal center line of the bag sealing strip; the outer bag and the inner bag are attached to form a closed whole along the bag sealing strip, the closed whole is folded to form a folded whole, the folded whole is kept in a folded state through the fixing mechanism, and air holes communicated with the inner bag are formed in the folded whole.
According to the utility model discloses an embodiment provides a powder material wrapping bag:
A powder material packaging bag, comprising: an outer bag, an inner bag and a sealing strip; the inner bag is an airtight bag, and the outer bag is a breathable bag; the inner bag is arranged inside the outer bag; the inner bag is hermetically connected with the bottom of the outer bag; the bag sealing strip is in a strip shape and is arranged on the inner side of the opening at the upper end of the outer bag; the bag sealing strip extends from one end of the opening of the outer bag to the other end of the opening of the outer bag; the horizontal height of the upper edge of the opening of the inner bag is higher than the horizontal height of the horizontal center line of the bag sealing strip; the outer bag and the inner bag are attached to form a closed whole along the bag sealing strip, the closed whole is folded to form a folded whole, the folded whole is kept in a folded state through the fixing mechanism, and air holes communicated with the inner bag are formed in the folded whole.
Preferably, the holding mechanism for holding the folding body in the folded state is specifically: the bag sealing strip is provided with a sewing area; the fixing mechanism is a suture; the suture is disposed on the suture field.
Preferably, the envelope strip further comprises a material blocking strip; the material blocking strip is horizontally arranged on the inner surface of the bag sealing strip, which is contacted with the inner bag.
Preferably, the envelope strip further comprises a ventilation notch; ventilative breach sets up on keeping off the material strip, and adjacent ventilative breach staggers each other in the vertical direction.
Preferably, the envelope strip is arranged inside the opening at the upper end of the outer bag, specifically, the length of the envelope strip is half or all of the perimeter of the opening of the outer bag.
Preferably, the inner bag is hermetically connected with the bottom of the outer bag in a way that the bottom of the inner bag is connected in a completely sealed manner, and a sealing area is formed at the bottom of the inner bag; the bottom of the outer bag is connected with the sealing area in a sewing mode to form a bottom sewing area; the vertical height of the bottom sewn region is lower than the upper edge of the sealed region.
Preferably, the envelope strip is a plastic deformation envelope strip or an elastic deformation envelope strip.
Preferably, the packing bag further comprises: a material testing port and a sealing valve; the material testing port is arranged on the inner bag and communicated with the interior of the inner bag; one end of the material testing port, which is far away from the inner bag, extends out of the outer bag; the sealing valve is arranged at one end of the inner bag far away from the material testing port.
Preferably, the sealing valve is provided with a gas permeable net.
Preferably, the packing bag further comprises: an easily tearable tape; one end of the easy-to-tear tape is arranged at one end of the bottom of the inner bag; the easy-tearing tape is arranged along the inner wall of the inner bag, and the other end of the easy-tearing tape extends out of the other end of the bottom of the inner bag.
In this application, the inner bag sets up in outer bag, and is connected with outer bag bottom after the bottom of inner bag is sealed, and outer bag open-ended inside is provided with the envelope strip, and the envelope strip sets up in outer bag open-ended inboard. The bag sealing strip is provided with an air hole communicated with the inner part of the inner bag. The air holes are communicated with the outside through the outer bag. The opening of the outer bag, the bag sealing strip and the opening of the inner bag are jointed to form a closed whole. The closed whole is folded to form a folded whole, after the folding, the inner bag is tightly attached under the action of the bag sealing strip, only air can be permeated, and materials are blocked in the inner bag. Meanwhile, as the folding body is provided with the air holes, the gas of the powder material in the inner bag can be discharged from the inner bag.
Note that the inner bag and the outer bag are placed upward by default in accordance with the opening.
In the present application, the fixation structure is a suture, and the suture is sewn on the folded whole. After sewing, the needle hole forms an air hole communicated with the inner bag on the folded whole. The folded whole is thus fixed by means of a suture, i.e. the fixing means is a suture. The folding structure not only can keep the folding whole in a folding state, but also can form air holes on the folding whole, and is convenient for the gas of the powder material in the inner bag to be discharged. Has the function of killing two birds with one stone.
In this application, keep off the material strip and set up on the envelope strip, keep off the material strip slightly protruding on the envelope strip. The function of preventing the powder material from leaking out of the packaging bag through the air holes after being folded is achieved.
In the present application, the venting notches serve to facilitate the venting of gas from the interior of the inner bag. The gas-permeable gaps are not aligned in the vertical direction, so that the powder material can be effectively prevented from leaking.
In the application, the bottom of the inner bag is sealed and then connected with the outer bag in a sewing way. The bottom of the inner bag is prevented from being ventilated.
In this application, the envelope strip is plastic deformation sealing material strip, can make the envelope strip directly fixed shape after folding.
In this application, can inspect the powder material that the wrapping bag adorned fast through material checking mouth and seal valve. The bag body does not need to be damaged.
In the present application, the gas permeable mesh enables the sealing valve to have a certain gas permeability.
In this application, draw and drag easily to tear the area and can directly open a mouth on inner bag and outer bag, conveniently unload.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. According to the scheme provided by the application, the packaging bag has certain air permeability, so that the internal air is conveniently discharged, and meanwhile, the internal powder material is prevented from leaking;
2. The scheme that this application provided can make things convenient for the opening to unload.
Drawings
FIG. 1 is a schematic view of the overall structure of the powder material packaging bag of the present invention;
FIG. 2 is a schematic view of the arrangement of the air holes of the powder material packaging bag of the present invention;
FIG. 3 is a schematic view of the structure of the sealing strip of the powder material packaging bag of the present invention;
Fig. 4 is a schematic diagram of the structure of the powder material packaging bag of the present invention after packaging;
Fig. 5 is a schematic view of the folding overall structure of the powder material packaging bag of the present invention;
FIG. 6 is a schematic view of the closed overall structure of the powder material packaging bag of the present invention;
Fig. 7 is a schematic view of the structure of the material testing port and the sealing valve of the powder material packaging bag of the present invention.
Reference numerals:
1: an outer bag; 101: a suture zone; a1: closing the whole; a2: folding the whole; a3: air holes are formed; 2: an inner bag; 201: a sealing zone; 3: sealing the bag; 301: a suture area; 302: blocking the material strips; 303: a ventilation notch; 4: a fixing mechanism; 5: a material testing port; 6: a sealing valve; 7: an easy-to-tear tape.
Detailed Description
According to the utility model discloses an embodiment provides a powder material wrapping bag:
A powder material packaging bag, comprising: an outer bag 1, an inner bag 2 and a bag sealing strip 3; the inner bag 2 is an airtight bag, and the outer bag 1 is a breathable bag; the inner bag 2 is arranged inside the outer bag 1; the inner bag 2 is hermetically connected with the bottom of the outer bag 1; the bag sealing strip 3 is in a strip shape, and the bag sealing strip 3 is arranged on the inner side of the opening at the upper end of the outer bag 1; the envelope strip 3 extends from one end of the opening of the outer bag 1 to the other end of the opening of the outer bag 1; the horizontal height of the upper edge of the opening of the inner bag 2 is higher than the horizontal height of the horizontal center line of the bag sealing strip 3; with outer bag 1 and inner bag 2 along the joint of envelope strip 3 formation closed whole A1, fold closed whole A1 again and form folding whole A2, make folding whole A2 keep fold condition through fixed establishment 4 at last, be provided with bleeder vent A3 with the inner bag 2 intercommunication on the folding whole A2.
Preferably, the holding mechanism 4 for holding the folding unit a2 in the folded state is specifically: the bag sealing strip 3 is provided with a sewing area 301; the fixing mechanism 4 is a suture; the stitches are placed on the stitch area 301.
Preferably, the envelope strip 3 further comprises a material blocking strip 302; the material blocking strip 302 is horizontally arranged on the inner surface of the bag sealing strip 3 contacted with the inner bag.
Preferably, the envelope strip 3 further comprises a ventilation notch 303; the air-permeable notches 303 are arranged on the material blocking strip 302, and the adjacent air-permeable notches 303 are staggered in the vertical direction.
Preferably, the envelope strip 3 is disposed inside the upper opening of the outer bag 1, specifically, the length of the envelope strip 3 is half or all of the circumference of the opening of the outer bag 1.
Preferably, the inner bag 2 is hermetically connected with the bottom of the outer bag 1, specifically, the bottom of the inner bag 2 is connected in a completely sealed manner, and the bottom of the inner bag 2 forms a sealing area 201; the bottom of the outer bag 1 is connected with the sealing area 201 in a sewing mode to form a bottom sewing area 101; the vertical height of the bottom stitching region 101 is lower than the upper edge of the sealing region 201.
Preferably, the envelope strip 3 is a plastic deformation envelope strip or an elastic deformation envelope strip.
Preferably, the packing bag further comprises: a material testing port 5 and a sealing valve 6; the material testing port 5 is arranged on the inner bag 2, and the material testing port 5 is communicated with the interior of the inner bag 2; one end of the material testing port 5 far away from the inner bag 2 extends out of the outer bag 1; the sealing valve 6 is arranged at the test port 5 far from one end of the inner bag 2.
Preferably, the sealing valve 6 is provided with a gas permeable net.
Preferably, the packing bag further comprises: an easy-tear tape 7; one end of the easy-to-tear tape 7 is arranged at one end of the bottom of the inner bag 2; the easy-to-tear tape 7 is arranged along the inner wall of the inner bag 2, and the other end of the easy-to-tear tape 7 extends out of the other end of the bottom of the inner bag 2.
Example 1
A powder material packaging bag, comprising: an outer bag 1, an inner bag 2 and a bag sealing strip 3; the inner bag 2 is an airtight bag, and the outer bag 1 is a breathable bag; the inner bag 2 is arranged inside the outer bag 1; the inner bag 2 is hermetically connected with the bottom of the outer bag 1; the bag sealing strip 3 is in a strip shape, and the bag sealing strip 3 is arranged on the inner side of the opening at the upper end of the outer bag 1; the envelope strip 3 extends from one end of the opening of the outer bag 1 to the other end of the opening of the outer bag 1; the horizontal height of the upper edge of the opening of the inner bag 2 is higher than the horizontal height of the horizontal center line of the bag sealing strip 3; with outer bag 1 and inner bag 2 along the joint of envelope strip 3 formation closed whole A1, fold closed whole A1 again and form folding whole A2, make folding whole A2 keep fold condition through fixed establishment 4 at last, be provided with bleeder vent A3 with the inner bag 2 intercommunication on the folding whole A2.
Example 2
Example 1 is repeated, except that the folding integer a2 is kept in the folded state by the fixing mechanism 4, specifically: the bag sealing strip 3 is provided with a sewing area 301; the fixing mechanism 4 is a suture; the stitches are placed on the stitch area 301.
Example 3
Example 2 is repeated except that the envelope strip 3 further comprises a material blocking strip 302; the material blocking strip 302 is horizontally arranged on the inner surface of the bag sealing strip 3 contacted with the inner bag.
Example 4
Example 3 is repeated except that the envelope strip 3 further comprises a venting notch 303; the air-permeable notches 303 are arranged on the material blocking strip 302, and the adjacent air-permeable notches 303 are staggered in the vertical direction.
Example 5
Example 4 is repeated, except that the envelope strip 3 is arranged inside the opening at the upper end of the outer bag 1, specifically, the length of the envelope strip 3 is half or all of the perimeter of the opening of the outer bag 1.
Example 6
Example 5 is repeated, except that the inner bag 2 is hermetically connected with the bottom of the outer bag 1, specifically, the bottom of the inner bag 2 is connected in a completely sealed manner, and the bottom of the inner bag 2 forms a sealing area 201; the bottom of the outer bag 1 is connected with the sealing area 201 in a sewing mode to form a bottom sewing area 101; the vertical height of the bottom stitching region 101 is lower than the upper edge of the sealing region 201.
Example 7
Example 6 is repeated except that the envelope strip 3 is a plastically deformable envelope strip.
Example 8
Example 6 is repeated except that the envelope strip 3 is an elastically deformable envelope strip.
Example 9
Example 7 was repeated except that the package further included: a material testing port 5 and a sealing valve 6; the material testing port 5 is arranged on the inner bag 2, and the material testing port 5 is communicated with the interior of the inner bag 2; one end of the material testing port 5 far away from the inner bag 2 extends out of the outer bag 1; the sealing valve 6 is arranged at the test port 5 far from one end of the inner bag 2. The sealing valve 6 is provided with a breathable net.
Example 10
Example 9 was repeated except that the package further included: an easy-tear tape 7; one end of the easy-to-tear tape 7 is arranged at one end of the bottom of the inner bag 2; the easy-to-tear tape 7 is arranged along the inner wall of the inner bag 2, and the other end of the easy-to-tear tape 7 extends out of the other end of the bottom of the inner bag 2.
Claims (10)
1. A powder material packaging bag is characterized by comprising: an outer bag (1), an inner bag (2) and a bag sealing strip (3); the inner bag (2) is an airtight bag, and the outer bag (1) is a breathable bag;
The inner bag (2) is arranged inside the outer bag (1); the inner bag (2) is hermetically connected with the bottom of the outer bag (1); the bag sealing strip (3) is in a strip shape, and the bag sealing strip (3) is arranged on the inner side of the upper end opening of the outer bag (1); the envelope strip (3) extends from one end of the opening of the outer bag (1) to the other end of the opening of the outer bag (1); the horizontal height of the upper edge of the opening of the inner bag (2) is higher than the horizontal height of the horizontal center line of the bag sealing strip (3);
With outer bag (1) and inner bag (2) along envelope strip (3) laminating formation closed whole (A1), fold closed whole (A1) again and form folding whole (A2), make folding whole (A2) keep fold condition through fixed establishment (4) at last, be provided with bleeder vent (A3) with inner bag (2) intercommunication on the folding whole (A2).
2. The powder material packaging bag according to claim 1, wherein the holding mechanism (4) for holding the folding unit (a2) in a folded state is specifically: the bag sealing strip (3) is provided with a sewing area (301); the fixing mechanism (4) is a suture; the suture is disposed on a suture zone (301).
3. The powder material packaging bag according to claim 2, wherein the bag sealing strip (3) further comprises a material blocking strip (302); the material blocking strip (302) is horizontally arranged on the inner surface of the bag sealing strip (3) contacted with the inner bag.
4. The powder material packaging bag according to claim 3, wherein the envelope strip (3) further comprises a ventilation notch (303); the ventilating notches (303) are arranged on the material blocking strips (302), and the adjacent ventilating notches (303) are mutually staggered in the vertical direction.
5. The powder material packaging bag according to any one of claims 1 to 4, wherein the bag sealing strip (3) is disposed inside the upper opening of the outer bag (1), and specifically, the length of the bag sealing strip (3) is half or all of the circumference of the opening of the outer bag (1).
6. The powder material packaging bag of claim 5, wherein the inner bag (2) is hermetically connected with the bottom of the outer bag (1) in a manner that the bottom of the inner bag (2) is connected in a completely sealed manner, and the bottom of the inner bag (2) forms a sealing area (201); the bottom of the outer bag (1) is connected with the sealing area (201) in a sewing mode to form a bottom sewing area (101); the vertical height of the bottom stitching region (101) is lower than the upper edge of the sealing region (201).
7. The powder material packaging bag of claim 6, wherein the bag sealing strip (3) is a plastic deformation bag sealing strip or an elastic deformation bag sealing strip.
8. A powder material packaging bag according to claim 6 or 7, wherein the packaging bag further comprises: a material testing port (5) and a sealing valve (6); the material testing port (5) is arranged on the inner bag (2), and the material testing port (5) is communicated with the interior of the inner bag (2); one end of the material testing port (5) far away from the inner bag (2) extends out of the outer bag (1); the sealing valve (6) is arranged at one end of the material testing opening (5) far away from the inner bag (2).
9. The powder material packaging bag according to claim 8, wherein the sealing valve (6) is provided with a gas permeable net.
10. A powder material packaging bag as claimed in claim 9, further comprising: an easy-tear tape (7); one end of the easy-to-tear tape (7) is arranged at one end of the bottom of the inner bag (2); the easy-to-tear tape (7) is arranged along the inner wall of the inner bag (2), and the other end of the easy-to-tear tape (7) extends out of the other end of the bottom of the inner bag (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922217088.3U CN211197137U (en) | 2019-12-11 | 2019-12-11 | Powder material packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922217088.3U CN211197137U (en) | 2019-12-11 | 2019-12-11 | Powder material packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211197137U true CN211197137U (en) | 2020-08-07 |
Family
ID=71880252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922217088.3U Active CN211197137U (en) | 2019-12-11 | 2019-12-11 | Powder material packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211197137U (en) |
-
2019
- 2019-12-11 CN CN201922217088.3U patent/CN211197137U/en active Active
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