CN204871985U - Valve port bag - Google Patents
Valve port bag Download PDFInfo
- Publication number
- CN204871985U CN204871985U CN201520588700.7U CN201520588700U CN204871985U CN 204871985 U CN204871985 U CN 204871985U CN 201520588700 U CN201520588700 U CN 201520588700U CN 204871985 U CN204871985 U CN 204871985U
- Authority
- CN
- China
- Prior art keywords
- kink
- bag
- valve port
- mouth
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Bag Frames (AREA)
Abstract
The utility model provides a valve port bag belongs to mechanical technical field. It has solved current valve port bag in the easy problem of leaking of appearing when whitewashed of irritating. This valve port bag is including the bag body that has the sack and the valve port of locating sack department, the valve port is the tube -shape and is long flaky connection piece by one and forms through the mutual coincide in both ends, the valve port is buckled near the outside axial of following the valve port in the border of the tip of the bag body and is formed first kink, the sack department of the bag body has the orientation second kink opposite with first kink, form a spacing groove between second kink and the internal lateral wall of bag, first kink is located limiting groove, the second kink pastes mutually with first kink and leans on and be fixed mutually through the mode that bonds, second kink and bag body formula structure as an organic whole. This valve port bag has can keep the bag body and the valve port advantage in the connection leakproofness that injects the powder in -process.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of valve bag.
Background technology
Valve bag, is commonly called as and is sticking bag, is current international popular packaging bag, from top or bottom valve port charging, adopts special filling apparatus, the side's of dressing up body after filling material, and heap bag is neat, attractive in appearance, belongs to Environmental protection bag.Valve bag is mainly used in the packaging powdery such as edible powder, chemical powder, chemical fertilizer, synthetic material, explosive, grain, salt, mineral matter or granular solid material and Flexible articles.
Existing valve bag, as a kind of overall plastic valve bag [application number: 201420529119.3 for placing white carbon of the submit of applicant, application publication number: CN204150375U], comprise the body that a tubular valve port and cross section are rectangle, on the end face of described body, two sides be parallel to each other are connected to connecting strap in the form of sheets, stacking and the formation a junction that is fixed together of connecting strap part described in two, between described connecting portion and body end face, there is gap, above-mentioned valve port is connected in gap and gap is stretched out in this valve port outer end, described valve port communicates with described chamber body, described connecting portion is fixed with strip banking stop, and described banking stop is connected with above-mentioned valve port outer end outer rim.
Add man-hour actual, valve port to be superimposed with each other through two ends in the connecting strap of lengthy motion picture shape by one and to form.Above-mentioned valve bag is used to place precipitated silica powder or fume colloidal silica powder in use, and is inculcated in bag by valve port.But this valve bag exists a problem: powder pours into bag with larger speed, has certain impact to bag, bag is made to have the trend departed from valve port; Bag is when expanding simultaneously, and bag also has the trend departed from valve port.Under the effect of above-mentioned two large factors, make when pouring into powder, very likely gap is there is between valve port and bag, and due to the volume of powder be minimum, as long as so there is gap (no matter being large or little) between valve port and bag, powder leakage is caused in capital, loads in valve bag impact powder.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of valve bag, and technical problem to be solved in the utility model how to keep bag and valve port pouring into the connection sealing in powder process.
The purpose of this utility model realizes by following technical proposal: a kind of valve bag, comprise the bag with sack and the valve port being located at sack place, described valve port is tubular and is superimposed with each other through two ends in the connecting strap of lengthy motion picture shape by one and forms, it is characterized in that, the edge axis outwards and along valve port of described valve port near the end of bag is bent to form the first kink, the sack place of described bag has towards second kink contrary with the first kink, and form a position-limited trough between the second kink and bag madial wall, the first described bending part is in position-limited trough, and the second kink and the first kink are reclined mutually and are fixed by the mode bondd, the second described kink and bag are integral type structure.
This valve bag is used to place precipitated silica powder or fume colloidal silica powder in use, and is inculcated in bag by valve port.By arranging the second kink and bag is integral type structure, the second kink and bag being remained when being subject to impact that powder applies and bag body expansion and is tightly connected; Secondly, by arrange the first bending part in position-limited trough and this first kink fix with the second kink, make the first kink drive when bag outwards expands the second kink to move together in the same direction, both making, remain the state of reclining; Then, recline mutually by arranging the second kink and the first kink and fixed by the mode bondd, making to form comparatively reliable and stable sealing between the first kink and the second kink; To sum up, the second kink and bag be integral type structure, the first bending part in position-limited trough, the second kink and the first kink reclined and under fixed the combined action of this three by the mode bondd mutually, the first kink and bag is enable to be subject to impact that powder applies and bag remains the state of being tightly connected, effectively to avoid the leakage of powder when expanding.
In above-mentioned valve bag, the first described kink is strip and length is equal with the length of connecting strap, and the side of the first described kink is positioned at position-limited trough completely.
The side of the first kink is positioned at position-limited trough completely, make adding man-hour, first kink can be fitted and adhesion completely with the second kink, the fixing that effective increase by first kink is connected with the second kink, thus enable the first kink and bag remain when bag body expansion the state of being tightly connected, then avoid the leakage of powder further.
In above-mentioned valve bag, the contact surface that the contact surface that the first described kink contacts with the second kink and the second kink contact with the first kink is plane.
Adopt above-mentioned structure, to increase the area of contact of the first kink and the second kink further, make connection between the two more firm, enable the first kink and bag remain when bag body expansion the state of being tightly connected, effectively avoid the leakage of powder.
In above-mentioned valve bag, the cross section of described bag is rectangle, the surrounding of this bag one end all forms two relative connecting portions mouth-sealed portion relative with two to bag folded inside, mouth-sealed portion described in two is strip and all arranges along the Width of bag, mouth-sealed portion described in two is superimposed with each other formation mouth piece, described mouth piece one end and one of them connecting portion are superimposed with each other, and form above-mentioned sack between the mouth piece other end and another connecting portion, mouth-sealed portion near connecting portion is sandwiched between the two ends of connecting strap, the second described kink is distributed in the mouth-sealed portion described in two and is positioned on the connecting portion at sack place.
The sealing near connecting portion is adopted to be sandwiched between connecting strap, length under powder is directly exposed to reduce by the first kink, to reduce the probability that the first kink and the second kink are separated, enable the first kink and bag remain when bag body expansion the state of being tightly connected, then avoid the leakage of powder further.
Compared with prior art, this valve bag has the following advantages:
1, by arranging the second kink and bag is integral type structure, the second kink and bag being remained when being subject to impact that powder applies and bag body expansion and is tightly connected; Secondly, by arrange the first bending part in position-limited trough and this first kink fix with the second kink, make the first kink drive when bag outwards expands the second kink to move together in the same direction, both making, remain the state of reclining; Then, recline mutually by arranging the second kink and the first kink and fixed by the mode bondd, making to form comparatively reliable and stable sealing between the first kink and the second kink; To sum up, the second kink and bag be integral type structure, the first bending part in position-limited trough, the second kink and the first kink reclined and under fixed the combined action of this three by the mode bondd mutually, the first kink and bag is enable to be subject to impact that powder applies and bag remains the state of being tightly connected, effectively to avoid the leakage of powder when expanding.
2, the sealing near connecting portion is sandwiched between connecting strap two ends, length under powder is directly exposed to reduce by the first kink, to reduce the probability that the first kink and the second kink are separated, enable the first kink and bag remain when bag body expansion the state of being tightly connected, then avoid the leakage of powder further.
Accompanying drawing explanation
Fig. 1 is the structural representation of this valve bag.
Fig. 2 is the structural representation after Fig. 1 removes banking stop.
Fig. 3 is the perspective view that valve port is connected with bag.
Fig. 4 is the A-A cross-sectional view of Fig. 2.
Fig. 5 is the structural representation that valve port is connected with bag.
Fig. 6 is the B-B cross-sectional view of Fig. 5.
Fig. 7 is the structural representation of bag.
Fig. 8 is the structural representation of valve port.
Fig. 9 is the structural representation of connecting strap.
In figure, 1, bag; 1a, connecting portion; 1b, mouth-sealed portion; 1c, the second kink; 2, valve port; 2a, connecting strap; 2a1, the first kink; 3, banking stop.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this valve bag is made up of with the valve port 2 being located at sack place the bag 1 with sack, and valve port 2 plays the effect that bag 1 inner chamber and the external world are connected.Wherein, the cross section of bag 1 is rectangle and this bag 1 is made up of woven cloth material; Valve port 2 to be superimposed with each other through two ends in tubular and by a connecting strap 2a in lengthy motion picture shape and to form, and now, the cross section of valve port 2 is rectangle.In the present embodiment, the two ends of connecting strap 2a are bonded and fixed at together by glue.
Specifically, as shown in Figures 1 to 4, the surrounding of wherein one end of bag 1 all forms two relative connecting portion 1a mouth-sealed portion 1b relative with two to bag 1 folded inside.Wherein, mouth-sealed portion 1b is strip and all arranges along the Width of bag 1.Two mouth-sealed portion 1b are superimposed with each other formation one mouth piece, and wherein one end and one of them connecting portion 1a of mouth piece are superimposed with each other, with the side seal by bag 1 end; Above-mentioned sack is formed between the mouth piece other end and another connecting portion 1a.In the present embodiment, the connection between two mouth-sealed portion 1b and the connection between mouth-sealed portion 1b and connecting portion 1a are fixed by glue.
As shown in Figures 5 to 9, valve port 2 is bent to form the first kink 2a1 near the axis of edge outwards and along this valve port 2 of the end of bag 1; The sack place of bag 1 has towards the second kink 1c contrary with the first kink 2a1, and forms a position-limited trough between the second kink 1c and bag 1 madial wall.In the present embodiment, the second kink 1c and bag 1 are integral type structure, and the second kink 1c is distributed in two mouth-sealed portion 1b and is positioned on the connecting portion 1a at sack place.
As shown in Figure 6, the first kink 2a1 is positioned at position-limited trough, and the second kink 1c is reclined with the first kink 2a1 phase and fixed by the mode bondd.In the present embodiment, the mode that the second kink 1c and the first kink 2a1 is bondd by glue fixes.Nature, adopts " arrange film between the first kink 2a1 and the second kink 1c, and the first kink 2a1 and the second kink 1c being bonded together by the mode of film welding " this technical scheme to be also fine.
Further illustrate, the first kink 2a1 is strip and length is equal with the length of connecting strap 2a, and the side of the first kink 2a1 is positioned at position-limited trough completely.Adopt such structure, make adding man-hour, first kink 2a1 can fit and adhesion completely with the second kink 1c, the fixing that effective increase by first kink 2a1 is connected with the second kink 1c, thus enable the first kink 2a1 and bag 1 remain when bag 1 expands the state of being tightly connected, then avoid the leakage of powder further.Further optimization, the contact surface that the contact surface that the first kink 2a1 contacts with the second kink 1c and the second kink 1c contact with the first kink 2a1 is plane.
As shown in Figure 3, be sandwiched between the two ends of connecting strap 2a near the mouth-sealed portion 1b of connecting portion 1a.As shown in Figure 1, the superimposed place of two mouth-sealed portion 1b is provided with the banking stop 3 in lengthy motion picture shape, and this banking stop 3 is arranged along the Width of bag 1, and the two ends of bag 1 fix with valve port 2 with away from the connecting portion 1a of sack respectively.In the present embodiment, the mode that all bondd by glue of banking stop 3 and valve port 2, connecting portion 1a and two mouth-sealed portion 1b are fixed.
Add man-hour actual, bag 1 is provided with some pores (not shown), and the diameter of this pore is between 0.6mm to 1.8mm, for facilitating by gas from the discharge pore time filling, and quick-fried bag when preventing filling.
This valve bag is used to place precipitated silica powder or fume colloidal silica powder in use, and is inculcated in bag 1 by valve port 2.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (4)
1. a valve bag, comprise the bag (1) with sack and the valve port (2) being located at sack place, described valve port (2) to be superimposed with each other through two ends in the connecting strap (2a) of lengthy motion picture shape in tubular and by one and to form, it is characterized in that, the edge of the end of the close bag (1) of described valve port (2) is outside and axis along valve port (2) is bent to form the first kink (2a1), the sack place of described bag (1) has towards second kink (1c) contrary with the first kink (2a1), and form a position-limited trough between the second kink (1c) and bag (1) madial wall, described the first kink (2a1) is positioned at position-limited trough, and the second kink (1c) is reclined mutually with the first kink (2a1) and is fixed by the mode bondd, described the second kink (1c) and bag (1) are integral type structure.
2. valve bag according to claim 1, it is characterized in that, described the first kink (2a1) is in strip and length is equal with the length of connecting strap (2a), and the side of described the first kink (2a1) is positioned at position-limited trough completely.
3. valve bag according to claim 1 and 2, it is characterized in that, the contact surface that described the first kink (2a1) above contacts with the second kink (1c) and the upper contact surface contacted with the first kink (2a1) of the second kink (1c) are plane.
4. valve bag according to claim 1 and 2, it is characterized in that, the cross section of described bag (1) is rectangle, the surrounding of this bag (1) one end all forms two relative connecting portions (1a) mouth-sealed portion (1b) relative with two to bag (1) folded inside, mouth-sealed portion (1b) described in two is in strip and all arrange along the Width of bag (1), mouth-sealed portion (1b) described in two is superimposed with each other formation mouth piece, described mouth piece one end and one of them connecting portion (1a) are superimposed with each other, and form above-mentioned sack between the mouth piece other end and another connecting portion (1a), mouth-sealed portion (1b) near connecting portion (1a) is sandwiched between the two ends of connecting strap (2a), described the second kink (1c) is distributed in the mouth-sealed portion (1b) described in two and is positioned on the connecting portion (1a) at sack place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588700.7U CN204871985U (en) | 2015-08-06 | 2015-08-06 | Valve port bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588700.7U CN204871985U (en) | 2015-08-06 | 2015-08-06 | Valve port bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204871985U true CN204871985U (en) | 2015-12-16 |
Family
ID=54816386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520588700.7U Active CN204871985U (en) | 2015-08-06 | 2015-08-06 | Valve port bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204871985U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083716A (en) * | 2015-08-06 | 2015-11-25 | 陈行荣 | Valve bag |
| CN107848659A (en) * | 2015-12-22 | 2018-03-27 | 维拉特·萨凡塔利达 | Combination construction bag and the method for manufacturing combination construction bag |
-
2015
- 2015-08-06 CN CN201520588700.7U patent/CN204871985U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083716A (en) * | 2015-08-06 | 2015-11-25 | 陈行荣 | Valve bag |
| CN105083716B (en) * | 2015-08-06 | 2017-10-17 | 陈行荣 | A kind of valve bag |
| CN107848659A (en) * | 2015-12-22 | 2018-03-27 | 维拉特·萨凡塔利达 | Combination construction bag and the method for manufacturing combination construction bag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105083716A (en) | Valve bag | |
| CN204871985U (en) | Valve port bag | |
| JP5694852B2 (en) | Zipper tape heat sealing method, zipper tape film roll manufacturing method, and zipper tape packaging bag manufacturing method | |
| CN214421182U (en) | Novel valve port bag | |
| CN104432600B (en) | Brassiere mold cup of Jiamei's pocket and preparation method thereof is established in a kind of | |
| CN203332516U (en) | Self-sealing container | |
| US9751024B2 (en) | Balloon | |
| CN204688645U (en) | Valve-port packaging bag in a kind of antiseep | |
| CN204150375U (en) | A kind of overall plastic valve bag for placing white carbon | |
| CN210556720U (en) | Medicine packaging box convenient to adsorb | |
| CN207250898U (en) | Long-life brush | |
| CN206719850U (en) | A kind of anti-powder adsorption packaging bag of inwall | |
| CN207141643U (en) | The packing box of anti-pressure-bearing foldable | |
| CN206345217U (en) | A kind of composite package casing | |
| CN203980149U (en) | Minute surface ball | |
| CN110050745A (en) | A kind of packaging bag and its application method | |
| CN207416706U (en) | A kind of vehicle sucker formula rearview mirror rain eyebrow | |
| CN204210112U (en) | Be easy to the coil of strip anti-tarnish paper sealed | |
| JP3188561U (en) | Bottom sticker bag | |
| CN203473458U (en) | Composite single-face air-permeable packaging bag | |
| CN204217943U (en) | The brassiere mold cup of Jiamei's pocket is established in a kind of | |
| CN208412597U (en) | A kind of portable self-standing bag of paper-plastic stick of intuitive visual pack content | |
| CN214325857U (en) | Integrated silica gel bag | |
| CN209582186U (en) | Large capacity plastic folded preserving jar | |
| CN209305096U (en) | A kind of shade bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |