CN203832910U - One-way exhaust valve and packaging bag with same used - Google Patents
One-way exhaust valve and packaging bag with same used Download PDFInfo
- Publication number
- CN203832910U CN203832910U CN201420267950.6U CN201420267950U CN203832910U CN 203832910 U CN203832910 U CN 203832910U CN 201420267950 U CN201420267950 U CN 201420267950U CN 203832910 U CN203832910 U CN 203832910U
- Authority
- CN
- China
- Prior art keywords
- exhaust valve
- way exhaust
- packaging bag
- ring
- spacing back
- 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.)
- Expired - Lifetime
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 47
- 238000012856 packing Methods 0.000 claims description 20
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000009172 bursting Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract 2
- 238000003754 machining Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 22
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000000855 fermentation Methods 0.000 description 3
- 230000004151 fermentation Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 150000001875 compounds Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
Landscapes
- Bag Frames (AREA)
Abstract
The utility model particularly relates to a one-way exhaust valve and a packaging bag with the same used. The one-way exhaust valve comprises a disc-shaped valve body, a limiting retainer ring is arranged on the inner side of a disc bottom, and a ventilation groove is formed between the limiting retainer ring and a disc lateral wall. The disc bottom surrounded by the limiting retainer ring is provided with air holes, and the air holes penetrate through the disc bottom. A sealing gasket matched with the space of the limiting retainer ring is arranged in the limiting retainer ring, a limiting boss is arranged on the inner side wall of the limiting retainer ring, and the sealing gasket is located between the boss and the disc bottom. A disc edge is folded outwards to form a plane. The packaging bag with the one-way exhaust valve used comprises a bag body, the one-way exhaust valve is compounded into the bag body in a thermal mode, the position, directly facing the one-way exhaust valve, of the bag body is provided with a small air hole I. Compared with the prior art, the one-way exhaust valve and the packaging bag with the one-way exhaust valve used have the advantages that the one-way exhaust valve is simple in structure, low in machining cost and attractive in appearance; according to the packaging bag with the one-way exhaust valve used, air in the packaging bag can be discharged automatically, and the packaging bag is prevented from bursting.
Description
Technical field
The utility model relates to gaseous tension regulation device in a kind of one-way gas exhaust and packaging bag, specifically, relates to a kind of one-way exhaust valve and adopts the packaging bag of this one-way exhaust valve.
Background technology
The hermetically sealed design of the general employing of packaging bag using at present; but after food or other article are packaged; in packaging bag, often can retain some gases; the food (as pickles etc.) that especially can ferment also can produce some gases; like this; the packaging bag meeting bag that easily rises, affects quality and the shelf-life of product.
Number of patent application is that 200910158239.0 patent of invention discloses a kind of fermentation packaging bag, and sack is provided with through hole, the gas in sack can be discharged, but outside gas also can enter in sack.The patent No. is that 201120249858.3 utility model discloses a kind of packing bag for fodder fermentation, but its complex structure, tooling cost is higher.
Utility model content
An object of the present utility model is to provide a kind of simple in structure, one-way exhaust valve that tooling cost is low, more attractive in appearance.
For achieving the above object, the utility model by the following technical solutions: a kind of one-way exhaust valve, comprise dish type valve body, the inner side of trying to get to the heart of a matter is provided with spacing back-up ring, spacing back-up ring forms air drain with coiling between sidewall; Trying to get to the heart of a matter that spacing back-up ring surrounds is provided with breather hole, and breather hole runs through tries to get to the heart of a matter; In spacing back-up ring, be provided with the packing seal matching with its space, spacing back-up ring madial wall is provided with positive stop lug boss, and packing seal is at boss with between trying to get to the heart of a matter; The outside flanging of web forms plane.
Another object of the present utility model is to provide and a kind ofly adopts this one-way exhaust valve, can automatically discharge air in packaging bag, prevents the packaging bag that packaging bag is burst.
For achieving the above object, the utility model adopts the packaging bag of above-mentioned one-way exhaust valve, comprises bag, and one-way exhaust valve heat is compounded in bag, and the just right bag of one-way exhaust valve is provided with small ventilating holes I.
Further, described bag outside is just provided with protective film to the position of small ventilating holes I, and the waterproof material (as plastic sheeting) that described protective film is Pasting, conveniently tears.In transport or when carrying,, above-mentioned protective film is just pasted to the position of small ventilating holes in bag outside, when packaging bag transport or carry and completely more described protective film is torn after being placed on shelf.So both can prevent in packaging bag transport or carrying in bag that liquid flowed out, can ensure again that packaging bag can discharge when the gas in bag is too much in the process of displaying automatically.
Improve as one, described bag outside just can cuticula in the air to the position of small ventilating holes I, but be provided with the anti-overflow film of small ventilating holes II on the top of spacing back-up ring, because small ventilating holes II diameter is very little, gas in bag can be by the anti-overflow film with small ventilating holes II, and the liquid in bag cannot be by the anti-overflow film with small ventilating holes II.So also can reach the liquid both having prevented in packaging bag transport or carrying and flow out, ensure again the object that packaging bag can be discharged when the gas in packaging bag is too much in the process of displaying automatically.
Further, the web of described check valve is provided with the fin that protrudes from its plane, to facilitate check valve heat to be compounded in packaging bag.
Further, the quantity of described breather hole is at least 1, and the quantity of described positive stop lug boss is at least 2; The height of described spacing back-up ring is less than the height of web.
Display in process in packaging bag, in the time that the gas content in packaging bag is higher, or the fermentation of article in packaging bag is while producing carbon dioxide, gas in bag can be pushed the packing seal above breather hole open under the effect of air pressure, enters air drain discharge through small ventilating holes I along the gap between packing seal and spacing back-up ring; Gas in bag enters air drain through small ventilating holes II after also can pushing the packing seal above breather hole open, then is discharged to outside bag through small ventilating holes I.Described packing seal is contained in spacing back-up ring, goes out dish type valve body when the positive stop lug boss of packing seal top can avoid the gas pressure intensity of packing seal in packaging bag excessive.In the time that the atmospheric pressure of packaging bag outside is greater than the pressure in bag, outside gas enters by small ventilating holes I in the air drain of check valve, because the pressure in air drain is larger, packing seal will tightly be fitted in tries to get to the heart of a matter above, and then has effectively prevented entering of extraneous gas or moisture.
Compared with prior art, the beneficial effects of the utility model are: (1) one-way exhaust valve is simple in structure, tooling cost is low, good looking appearance; (2) adopt the packaging bag of this one-way exhaust valve can automatically discharge air in packaging bag, prevent that packaging bag from bursting.
Brief description of the drawings
Fig. 1 is the front view of the utility model one-way exhaust valve;
Fig. 2 is the back view of the utility model one-way exhaust valve;
Fig. 3 is the right elevation of the utility model one-way exhaust valve;
Fig. 4 is the compound part diagram of packaging bag and described one-way exhaust valve heat;
Wherein, 1-tries to get to the heart of a matter; 2-packing seal; The spacing back-up ring of 3-; 4-air drain; 5-web; 6-coils sidewall; 7-bag;
11-breather hole; 31-positive stop lug boss; 51-fin; 71-small ventilating holes I.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1
One-way exhaust valve as shown in Figure 1, Figure 2 and Figure 3, comprises dish type valve body, and 1 inner side of trying to get to the heart of a matter is provided with spacing back-up ring 3, between spacing back-up ring 3 and dish sidewall 6, forms air drain 4; What spacing back-up ring 3 surrounded try to get to the heart of a matter is provided with 3 breather holes 11, and breather hole 11 runs through tries to get to the heart of a matter 1; In spacing back-up ring 3, be contained with the packing seal 2 of the quality of rubber materials matching with its space, spacing back-up ring 3 madial walls are provided with 3 positive stop lug boss 31, and packing seal 2 is at positive stop lug boss 31 and try to get to the heart of a matter between 1; The outside flanging of web 5 forms plane.In the time that the 1 outside gas pressure intensity of trying to get to the heart of a matter is greater than the gas pressure intensity in air drain 4, gas can be pushed the packing seal 2 above breather hole 11 open under the effect of air pressure, enters air drain 4 discharge along the gap between packing seal 2 and spacing back-up ring 3; When the gas pressure intensity in air drain 4 is greater than while trying to get to the heart of a matter 1 outside gas pressure intensity, packing seal 2 will tightly be fitted in tries to get to the heart of a matter on 1, and therefore the gas in air drain 4 cannot enter 1 outside of trying to get to the heart of a matter by breather hole 11.
Embodiment 2
The one-way exhaust valve heat of embodiment 1 is compounded in bag 7, and the just right bag 7 of one-way exhaust valve is provided with 3 small ventilating holes I.Bag 7 outsides are just being provided with the protective film of plastic material to the position of small ventilating holes I, when transport or carrying, above-mentioned plastic protection film is just pasted to the position of small ventilating holes I in bag 7 outsides, to prevent that the liquid in packaging bag transport or carrying from flowing out; When packaging bag transport or carry and completely more described plastic protection film is torn after being placed on shelf, to ensure that packaging bag can not burst in the process of displaying.
Embodiment 3
The top of the spacing back-up ring of the one-way exhaust valve in embodiment 1 is provided with the anti-overflow film of 3 small ventilating holes II, this one-way exhaust valve heat is compounded in packaging bag, the just right bag 7 of one-way exhaust valve is provided with 3 small ventilating holes I, because small ventilating holes II diameter is very little, gas in bag can be by the anti-overflow film with small ventilating holes II, and the liquid in bag cannot be by the anti-overflow film with small ventilating holes II.So also can reach the liquid both having prevented in packaging bag transport or carrying and flow out, ensure again the object that packaging bag can be discharged when the gas in packaging bag is too much in the process of displaying automatically.
The above embodiment, just the more preferably concrete embodiment of the utility model, is not to unique restriction of the present utility model.
Claims (10)
1. an one-way exhaust valve, comprise valve body, it is characterized in that, valve body is disk-shaped, (1) inner side of trying to get to the heart of a matter is provided with spacing back-up ring (3), and spacing back-up ring (3) forms air drain (4) with coiling between sidewall (6); Trying to get to the heart of a matter that spacing back-up ring (3) surrounds is provided with breather hole (11), and breather hole (11) runs through try to get to the heart of a matter (1); In spacing back-up ring (3), be provided with the packing seal (2) matching with its space, spacing back-up ring (3) madial wall is provided with positive stop lug boss (31), and packing seal (2) is positioned at positive stop lug boss (31) and tries to get to the heart of a matter between (1); Web (5) outwards flanging forms plane.
2. one-way exhaust valve according to claim 1, is characterized in that, web (4) is provided with the fin (51) that protrudes from its plane.
3. one-way exhaust valve according to claim 1, is characterized in that, described breather hole (11) at least arranges one; Positive stop lug boss (31) at least arranges two.
4. one-way exhaust valve according to claim 1, is characterized in that, the height of spacing back-up ring (3) is less than the height of web (5).
5. the packaging bag of the one-way exhaust valve described in the above-mentioned arbitrary claim of employing, comprise bag (7), it is characterized in that, one-way exhaust valve heat is compounded in bag (7), and the just right bag of one-way exhaust valve is provided with small ventilating holes I (71).
6. packaging bag according to claim 5, it is characterized in that, described one-way exhaust valve, comprise valve body, valve body is disk-shaped, (1) inner side of trying to get to the heart of a matter is provided with spacing back-up ring (3), and spacing back-up ring (3) forms air drain (4) with coiling between sidewall (6); Trying to get to the heart of a matter that spacing back-up ring (3) surrounds is provided with breather hole (11), and breather hole (11) runs through try to get to the heart of a matter (1); In spacing back-up ring (3), be provided with the packing seal (2) matching with its space, spacing back-up ring (3) madial wall is provided with positive stop lug boss (31), and packing seal (2) is positioned at positive stop lug boss (31) and tries to get to the heart of a matter between (1); Web (5) outwards flanging forms plane.
7. packaging bag according to claim 5, is characterized in that, bag outside is just provided with protective film to the position of small ventilating holes.
8. packaging bag according to claim 5, is characterized in that, the top of spacing back-up ring (3) is provided with anti-overflow film, and anti-overflow film is provided with small ventilating holes II.
9. packaging bag according to claim 5, is characterized in that, web (5) is provided with the fin (51) that protrudes from its plane.
10. packaging bag according to claim 5, is characterized in that, described breather hole (11) at least arranges one; Positive stop lug boss (31) at least arranges two; The height of spacing back-up ring (3) is less than the height of web (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267950.6U CN203832910U (en) | 2014-05-23 | 2014-05-23 | One-way exhaust valve and packaging bag with same used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267950.6U CN203832910U (en) | 2014-05-23 | 2014-05-23 | One-way exhaust valve and packaging bag with same used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203832910U true CN203832910U (en) | 2014-09-17 |
Family
ID=51510783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420267950.6U Expired - Lifetime CN203832910U (en) | 2014-05-23 | 2014-05-23 | One-way exhaust valve and packaging bag with same used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203832910U (en) |
-
2014
- 2014-05-23 CN CN201420267950.6U patent/CN203832910U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |
|
| CX01 | Expiry of patent term |