CN105083716B - A kind of valve bag - Google Patents
A kind of valve bag Download PDFInfo
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- CN105083716B CN105083716B CN201510478816.XA CN201510478816A CN105083716B CN 105083716 B CN105083716 B CN 105083716B CN 201510478816 A CN201510478816 A CN 201510478816A CN 105083716 B CN105083716 B CN 105083716B
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- kink
- bag
- valve
- valve port
- sack
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Abstract
The invention provides a kind of valve bag, belong to field of mechanical technique.It solves the problem of existing valve bag is easily leaked in powder filling.This valve bag includes the bag with sack and the valve port at sack, valve port is cylindrical in shape and is superimposed with each other by one in the connection sheet of long sheet by two ends and formed, valve port close to the end of bag edge outwards and be bent to form the first kink along the axial direction of valve port, have at the sack of bag towards second kink opposite with the first kink, a stopper slot is formed between second kink and bag madial wall, first bending part is in stopper slot, second kink mutually reclines with the first kink and mutually fixed by cohesive mode, second kink is integral type structure with bag.This valve bag has the advantages that the connection sealing of bag and valve port in powder process is poured into can be kept.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of valve bag.
Background technology
Valve bag, is commonly called as being sticking bag, is current international popular packaging bag, is fed from top or bottom valve port, using special
Cube is dressed up after filling apparatus, filling material, heap bag is neat, attractive in appearance, belongs to Environmental protection bag.It is edible that valve bag is mainly used in packaging
The powderies such as powder, chemical powder, chemical fertilizer, synthetic material, explosive, grain, salt, mineral matter or granular solid material and flexible thing
Product.
A kind of overall plastic valve bag for being used to place white carbon submitted before existing valve bag, such as applicant【Application number：
201420529119.3；Application publication number：CN 204150375U】, including the sheet that a tubular valve port and section are rectangle
Two sides being parallel to each other are connected to connection sheet in the form of sheets on body, the top surface of the body, the connection sheet portion described in two
Divide and stack and be fixed together to form a connecting portion, there is gap, above-mentioned valve port between described connecting portion and body top surface
It is connected in gap and gap is stretched out in the valve port outer end, described valve port is communicated with described chamber body, described connecting portion
On be fixed with strip banking stop, and described banking stop is connected with above-mentioned valve port outer end outer rim.
In actual processing, valve port is superimposed with each other by two ends in the connection sheet of long sheet by one and formed.Above-mentioned valve bag
It is, for placing precipitated silica powder or fume colloidal silica powder, and to be inculcated by valve port in bag when in use.
But the valve bag has a problem that：Powder is to pour into bag with larger speed, has certain impact to bag, makes bag
Body has the trend departed from valve port；Bag is in expansion simultaneously, and bag also has the trend departed from valve port.Above-mentioned two
In the presence of big factor, make, when pouring into powder, very likely occur gap between valve port and bag, and due to the volume of powder
It is minimum, as long as so occur gap (either big or small) between valve port and bag, can all cause powder leakage,
Powder is loaded and impacted in valve bag.
The content of the invention
The purpose of the present invention is there is above mentioned problem for existing technology, it is proposed that a kind of valve bag, and the present invention is wanted
The technical problem of solution is the connection sealing for how keeping bag and valve port in powder process is poured into.
The purpose of the present invention can be realized by following technical proposal：A kind of valve bag, including the bag with sack and
Valve port at sack, described valve port is cylindrical in shape and is superimposed with each other by one in the connection sheet of long sheet by two ends and formed,
Characterized in that, described valve port close to the end of bag edge outwards and be bent to form the first bending along the axial direction of valve port
Have at portion, the sack of described bag towards second kink opposite with the first kink, and the second kink and bag
Form a stopper slot between madial wall, described the first bending part is in stopper slot, and the second kink and the first kink
Mutually recline and mutually fixed by cohesive mode, described the second kink and bag is integral type structure.
This valve bag is, for placing precipitated silica powder or fume colloidal silica powder, and to pass through valve when in use
Mouth is inculcated in bag.By setting the second kink and bag to be integral type structure, make the second kink and bag by
Remain and be tightly connected when the impact of powder application and bag body expansion；Secondly, by setting the first bending part in spacing
In groove and first kink is mutually fixed with the second kink, the first kink is set to be driven when bag outwards expands second curved
Folding part is moved in the same direction together, both is remained the state of reclining；Then, it is curved by the second kink of setting and first
Folding part mutually reclines and mutually fixed by cohesive mode, makes to be formed more reliable and steady between the first kink and the second kink
Fixed sealing；To sum up, the second kink and bag be integral type structure, the first bending part in stopper slot, the second bending
Portion mutually reclines with the first kink and mutually fixed under the collective effect of this three by cohesive mode, makes the first kink and bag
Body can remain the state of being tightly connected when the impact and bag applied by powder is in expansion, to be prevented effectively from powder
Leakage.
In above-mentioned valve bag, the first described kink is in strip and the equal length of length and connection sheet, institute
The side for the first kink stated is fully located in stopper slot.
The side of first kink is fully located in stopper slot, is made in processing, and the first kink can be with the second bending
Portion laminating and adhesion completely, are effectively increased the fixing of the first kink and the connection of the second kink, so that the first kink
The state of being tightly connected can be remained in bag body expansion with bag, the leakage of powder is then further avoided.
In above-mentioned valve bag, the contact surface and second contacted on the first described kink with the second kink is curved
The contact surface contacted on folding part with the first kink is plane.
Using above-mentioned structure, further to increase the contact area of the first kink and the second kink, make both it
Between connection it is more firm, the first kink and bag is remained the state of being tightly connected in bag body expansion, effectively
Avoid the leakage of powder.
In above-mentioned valve bag, the section of described bag is rectangle, and the surrounding of the bag one end is into bag
Side folds and forms two relative connecting portion mouth-sealed portions relative with two, and the mouth-sealed portion described in two is in strip and along bag
The width of body is set, and the mouth-sealed portion described in two is superimposed with each other to form sealed piece, described sealed piece one end and one of them
Connecting portion is superimposed with each other, and above-mentioned sack is formed between the sealed piece other end and another connecting portion, close to the sealing of connecting portion
Portion is sandwiched between the two ends of connection sheet, and the second described kink is distributed in the mouth-sealed portion described in two and the company at sack
In socket part.
It is sandwiched between connection sheet, is directly exposed to reducing by the first kink under powder using the sealing close to connecting portion
Length, to reduce the probability that the first kink and the second kink are separated, make the first kink and bag in bag body expansion
When can remain the state of being tightly connected, then further avoid the leakage of powder.
Compared with prior art, this valve bag has advantages below：
1st, it is integral type structure by setting the second kink and bag, the second kink and bag is applied by powder
Plus impact and remaining during bag body expansion be tightly connected；Secondly, by set the first bending part in stopper slot with
And first kink is mutually fixed with the second kink, the first kink is set to drive the second kink one when bag outwards expands
Rise and move in the same direction, both is remained the state of reclining；Then, by setting the second kink and the first kink phase
Recline and mutually fixed by cohesive mode, make to form more reliable and stabilization close between the first kink and the second kink
Envelope；To sum up, the second kink and bag be integral type structure, the first bending part in stopper slot, the second kink and the
One kink mutually reclines and mutually fixed under the collective effect of this three by cohesive mode, make the first kink and bag by
The impact and bag applied to powder can remain the state of being tightly connected in expansion, to be prevented effectively from letting out for powder
Leakage.
2nd, the sealing close to connecting portion is sandwiched between connection sheet two ends, and powder is directly exposed to reduce by the first kink
Under length, to reduce the probability that the first kink and the second kink are separated, make the first kink and bag swollen in bag
The state of being tightly connected can be remained when swollen, the leakage of powder is then further avoided.
Brief description of the drawings
Fig. 1 is the structural representation of this valve bag.
Fig. 2 is that Fig. 1 removes the structural representation after banking stop.
Fig. 3 is the dimensional structure diagram of valve port and bag connection.
Fig. 4 is Fig. 2 A-A cross-sectional views.
Fig. 5 is the structural representation of valve port and bag connection.
Fig. 6 is Fig. 5 B-B cross-sectional views.
Fig. 7 is the structural representation of bag.
Fig. 8 is the structural representation of valve port.
Fig. 9 is the structural representation of connection sheet.
In figure, 1, bag；1a, connecting portion；1b, mouth-sealed portion；1c, the second kink；2nd, valve port；2a, connection sheet；2a1,
One kink；3rd, banking stop.
Embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1, this valve bag is made up of the bag 1 with sack and the valve port at sack 2, and valve port 2
To the effect for making the inner chamber of bag 1 be connected with the external world.Wherein, the section of bag 1 is rectangle and the bag 1 is by braiding cloth material
It is made；Valve port 2 is cylindrical in shape and is superimposed with each other by one in the connection sheet 2a of long sheet by two ends and formed, and now, section of valve port 2
Face is rectangle.In the present embodiment, connection sheet 2a two ends are fixed together by glue bonding.
Specifically, as shown in Figures 1 to 4, the surrounding of wherein one end of bag 1 to the folded inside of bag 1 and is formed
Mouth-sealed portion 1b relative with two two relative connecting portion 1a.Wherein, mouth-sealed portion 1b is in strip and along the width of bag 1
Direction is set.Two mouth-sealed portion 1b are superimposed with each other to form a sealed piece, wherein one end of sealed piece and one of connecting portion 1a phases
Mutually overlap, by a side seal of the end of bag 1；Above-mentioned sack is formed between the sealed piece other end and another connecting portion 1a.
In the present embodiment, between two mouth-sealed portion 1b the connection between connection and mouth-sealed portion 1b and connecting portion 1a is fixed by glue
Firmly.
As shown in Figures 5 to 9, valve port 2 close to the edge of the end of bag 1 outwards and along the axial bent of the valve port 2
Into the first kink 2a1；There is the direction second kink 1c opposite with the first kink 2a1, and second at the sack of bag 1
A stopper slot is formed between kink 1c and the madial wall of bag 1.In the present embodiment, the second kink 1c is integrated with bag 1
Formula structure, and the second kink 1c is distributed on two mouth-sealed portion 1b and connecting portion 1a at sack.
As shown in fig. 6, the first kink 2a1 is located in stopper slot, and the second kink 1c and the first kink 2a1 is affixed
Lean on and mutually fixed by cohesive mode.In the present embodiment, the second kink 1c and the first kink 2a1 pass through glue bonding
Mode mutually fix.Naturally, using " setting film, and the first kink between the first kink 2a1 and the second kink 1c
2a1 and the second kink 1c are bonded together by way of film welding " this technical scheme is also possible.
Further illustrate, the first kink 2a1 is in strip and length and connection sheet 2a equal length, the first kink
2a1 side is fully located in stopper slot.Using such structure, make in processing, the first kink 2a1 can with it is second curved
Folding part 1c laminating and adhesion completely, are effectively increased the fixing of the first kink 2a1 and the second kink 1c connections, so that the
One kink 2a1 and bag 1 can remain the state of being tightly connected when bag 1 expands, and then further avoid powder
Leakage.Further optimization, the first kink 2a1 it is upper with the second kink 1c contact surfaces contacted and the second kink 1c and
The contact surface of first kink 2a1 contacts is plane.
As shown in figure 3, being sandwiched in close to connecting portion 1a mouth-sealed portion 1b between connection sheet 2a two ends.As shown in figure 1, two envelopes
The banking stop 3 in long sheet is provided with oral area 1b overlapping, width of the banking stop 3 along bag 1 is set, and bag 1
Two ends are fixed with valve port 2 with the connecting portion 1a phases away from sack respectively.In the present embodiment, banking stop 3 passes through glue bonding
Mode fixed with valve port 2, connecting portion 1a and two mouth-sealed portion 1b phases.
In actual processing, bag 1 is provided with some pores (not shown), a diameter of 0.6mm to 1.8mm of the pore it
Between, for it is filling when it is convenient by gas from the discharge in pore, quick-fried bag when preventing filling.
This valve bag is, for placing precipitated silica powder or fume colloidal silica powder, and to pass through valve when in use
Mouth 2 is inculcated in bag 1.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (4)
1. a kind of valve bag, including the bag (1) with sack and the valve port (2) at sack, described valve port (2) are in cylinder
Shape and it is superimposed with each other and is formed by two ends in the connection sheet (2a) of long sheet by one, it is characterised in that described valve port (2) is close
The edge of the end of bag (1) all outwards and is bent to form the first kink (2a1), described bag along the axial direction of valve port (2)
Have at the sack of body (1) towards second kink (1c) opposite with the first kink (2a1), and the second kink (1c) and
A stopper slot is formed between bag (1) madial wall, described the first kink (2a1) is located in stopper slot, and the second kink
(1c) mutually reclines with the first kink (2a1) and mutually fixed by cohesive mode, described the second kink (1c) and bag
(1) it is integral type structure.
2. valve bag according to claim 1, it is characterised in that described the first kink (2a1) is in strip and length
Degree and the equal length of connection sheet (2a), the side of described the first kink (2a1) is fully located in stopper slot.
3. valve bag according to claim 1 or 2, it is characterised in that curved with second on described the first kink (2a1)
The contact surface contacted on the contact surface and the second kink (1c) of folding part (1c) contact with the first kink (2a1) is plane.
4. valve bag according to claim 1 or 2, it is characterised in that the section of described bag (1) is rectangle, should
The surrounding of bag (1) one end to bag (1) folded inside and forms two relative connecting portions (1a) envelope relative with two
Oral area (1b), the mouth-sealed portion (1b) described in two is set in strip and along the width of bag (1), the mouth-sealed portion described in two
(1b) is superimposed with each other to form sealed piece, and described sealed piece one end is superimposed with each other with one of connecting portion (1a), and sealed piece
Above-mentioned sack is formed between the other end and another connecting portion (1a), the mouth-sealed portion (1b) close to connecting portion (1a) is sandwiched in connection sheet
Between the two ends of (2a), described the second kink (1c) is distributed in the mouth-sealed portion (1b) described in two and the company at sack
In socket part (1a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478816.XA CN105083716B (en) | 2015-08-06 | 2015-08-06 | A kind of valve bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478816.XA CN105083716B (en) | 2015-08-06 | 2015-08-06 | A kind of valve bag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105083716A CN105083716A (en) | 2015-11-25 |
| CN105083716B true CN105083716B (en) | 2017-10-17 |
Family
ID=54565217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510478816.XA Active CN105083716B (en) | 2015-08-06 | 2015-08-06 | A kind of valve bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105083716B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105923247B (en) * | 2016-06-29 | 2018-12-11 | 石家庄康益包装有限公司 | A kind of paper-plastic stick hermetic bag |
| CN110667183B (en) * | 2019-10-18 | 2021-11-30 | 温州国强机械有限公司 | Folding device of full-automatic production line of valve bag |
| CN113682632B (en) * | 2021-08-30 | 2023-02-03 | 成都市金橙包装制造有限公司 | Leak-proof valve bag |
| CN117184640B (en) * | 2023-11-06 | 2024-01-30 | 河南佰嘉新型节能材料有限公司 | Valve port structure of valve pocket |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204021467U (en) * | 2014-09-05 | 2014-12-17 | 成都市金橙包装制造有限公司 | Valve bag and valve mouth structure thereof |
| CN204150375U (en) * | 2014-09-15 | 2015-02-11 | 陈行荣 | A kind of overall plastic valve bag for placing white carbon |
| CN204871985U (en) * | 2015-08-06 | 2015-12-16 | 陈行荣 | Valve port bag |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014078340A1 (en) * | 2012-11-14 | 2014-05-22 | Graphic Packaging International, Inc. | Sift-resistant bag |
-
2015
- 2015-08-06 CN CN201510478816.XA patent/CN105083716B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204021467U (en) * | 2014-09-05 | 2014-12-17 | 成都市金橙包装制造有限公司 | Valve bag and valve mouth structure thereof |
| CN204150375U (en) * | 2014-09-15 | 2015-02-11 | 陈行荣 | A kind of overall plastic valve bag for placing white carbon |
| CN204871985U (en) * | 2015-08-06 | 2015-12-16 | 陈行荣 | Valve port bag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105083716A (en) | 2015-11-25 |
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Denomination of invention: a valve pocket Effective date of registration: 20220817 Granted publication date: 20171017 Pledgee: Zhejiang Yuhuan Rural Commercial Bank Co.,Ltd. Pledgor: Chen Xingrong Registration number: Y2022330001803 |