CN209553863U - Fresh-keeping Packaging for Fruits and Vegetables bag - Google Patents
Fresh-keeping Packaging for Fruits and Vegetables bag Download PDFInfo
- Publication number
- CN209553863U CN209553863U CN201822134699.7U CN201822134699U CN209553863U CN 209553863 U CN209553863 U CN 209553863U CN 201822134699 U CN201822134699 U CN 201822134699U CN 209553863 U CN209553863 U CN 209553863U
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- wall body
- ventilation area
- packaging bag
- bag
- fruits
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Abstract
The utility model provides a kind of Fresh-keeping Packaging for Fruits and Vegetables bag.A kind of Fresh-keeping Packaging for Fruits and Vegetables bag, including bag body ontology, the bag body ontology has the first wall body and the second wall body being oppositely arranged, the size Corresponding matching of first wall body and second wall body, first wall body has the first diagonal line, second wall body has the second diagonal line, first diagonal line and the second diagonal line first wall body projection in the plane be overlapped, the first ventilation area is configured on first wall body, the second ventilation area is configured on second wall body, first ventilation area and second ventilation area first wall body projection in the plane be respectively at described first cornerwise both ends.A kind of Fresh-keeping Packaging for Fruits and Vegetables bag according to the present utility model can guarantee the free convection of air in packaging bag, improve the preservation to fruits and vegetables, effectively delay the rotten opportunity of fruits and vegetables.
Description
Technical field
The utility model belongs to package packing supplies field, and in particular to a kind of Fresh-keeping Packaging for Fruits and Vegetables bag.
Background technique
In order to guarantee the fresh storage life of fruit and vegetables, at present conveniently mode first is that using the fresh-keeping packet of plastics
Pack, can either prevent the dust of fruits and vegetables from polluting using this packaging bag, and can be realized fresh-keeping, the delay fruits and vegetables of certain time length
Corrosion opportunity.But the interior free convection due to cannot effectively realize air of existing Fresh-keeping Packaging for Fruits and Vegetables bag, leads to packaging bag
Gas permeability it is undesirable, fruits and vegetables cannot obtain effectively breathing (specifically, the very few anaerobic respiration that will cause fruits and vegetables of oxygen, oxygen
It is excessive to will cause fruits and vegetables oxidation again), further, moisture caused by fruit or vegetables is adhered to packaging in the form of fog
On the inner wall of bag, and these water mists then become the breeding ground of bacterium, and the short time for becoming fruit or vegetables rots, is rotten, especially
It is when in the fruit and vegetable refrigerating showcase that fruits and vegetables are stored in refrigerator or Shang Chaozhong, this phenomenon then becomes apparent；And it is another
Aspect, although with ventilative hole in the existing packaging bag having on the market, but hole design is lack of standardization, and some holes are too much or too
Greatly, some holes will then run through before and after packaging bag, so that fruits and vegetables moisture distributes excessively, while hole is excessive or front and back is through easily
Air turbulence is caused, the natural air convection action being unfavorable in packaging bag does not also have ideal preservation, it is based on this,
It is proposed the utility model.
Utility model content
Therefore, the technical problem to be solved by the present invention is to provide a kind of Fresh-keeping Packaging for Fruits and Vegetables bag, can guarantee to wrap
The free convection of air in packing, improves the preservation to fruits and vegetables, effectively delays the rotten opportunity of fruits and vegetables.
To solve the above-mentioned problems, the utility model provides a kind of Fresh-keeping Packaging for Fruits and Vegetables bag, including bag body ontology, the bag
Body ontology has the first wall body and the second wall body that are oppositely arranged, and size corresponding of first wall body and second wall body
Match, first wall body has the first diagonal line, and second wall body has the second diagonal line, first diagonal line and second
Diagonal line first wall body projection in the plane be overlapped, be configured with the first ventilation area, institute on first wall body
It states and is configured with the second ventilation area on the second wall body, first ventilation area and second ventilation area are in first wall
Body projection in the plane be respectively at described first cornerwise both ends.
Preferably, first catercorner length is L, and first ventilation area is in first catercorner length direction
On width be d1, d1≤0.25L；It is L with second catercorner length, second ventilation area is diagonal described second
Width on line length direction is d2, d2≤0.25L.
Preferably, the breathing area of first ventilation area is S1, and total external surface area of first wall body is Q,
0.0015Q≤S1≤0.08Q；Breathing area with first ventilation area is S2, total external surface area of second wall body
For Q, 0.0015Q≤S2≤0.08Q.
Preferably, include at least one venthole in first ventilation area, and include in second ventilation area
At least one venthole.
Preferably, the first end of first wall body one end bonding corresponding with second wall body is connected and is formed viscous
The end edge of zygonema, the cementing line and the first end forms angle α, 1.5%≤tan α≤15%.
Preferably, the cementing line and first ventilation area or the second ventilation area form intersection region, and institute
It states intersection region and is in center side of the cementing line far from the bag body ontology.
Preferably, the maximum distance d3 on the boundary of the intersection region and first ventilation area is not less than 0.02mm,
And/or the maximum distance d3 of the intersection region and the boundary of second ventilation area is not less than 0.02mm.
Preferably, the bag body ontology has accommodating chamber, first wall body and/or the second wall body towards the accommodating chamber
Side has fresh-keeping coating.
Preferably, the fresh-keeping coating includes silver ion layer or far-infrared ceramic layer.
Preferably, the bag body ontology is formed in such a way that plastic film material rolls bonding, or, the bag body ontology
It is formed by the way of micelle blown film.
A kind of Fresh-keeping Packaging for Fruits and Vegetables bag provided by the utility model, first diagonal line are straight line on first wall body
Path where longest distance, makes first ventilation area be in described first cornerwise one end, the second ventilation area is then located
In described first cornerwise other end, thereby ensure that between first ventilation area and second ventilation area
Distance is farthest in the range of bag body ontology, and so as to form longest half-duplex channel of the air inside packaging bag, this is advantageous
It is flowed in forming effectively lasting air inside the packaging bag, and more importantly, first ventilation area and institute
It states the second ventilation area to be respectively on first wall body and the second wall body, namely in opposite two side walls, this side
Formula is more conducive to forming free convection of the air in packaging bag, and forms effective air circulation, to realize to packaging bag
The lasting effectively preservation of interior fruits and vegetables, effectively delays the rotten opportunity of fruits and vegetables.
Detailed description of the invention
Fig. 1 is the positive structure diagram of the Fresh-keeping Packaging for Fruits and Vegetables bag of the utility model embodiment；
Fig. 2 is the backsight structural representation of Fig. 1；
Fig. 3 is the positive structure diagram of the Fresh-keeping Packaging for Fruits and Vegetables bag of another embodiment of the utility model；
Fig. 4 is the backsight structural representation of Fig. 3；
Fig. 5 be the utility model embodiment Fresh-keeping Packaging for Fruits and Vegetables bag in such a way that plastic film material rolls bonding shape
At production process schematic diagram；
Fig. 6 is the production process that the Fresh-keeping Packaging for Fruits and Vegetables bag of the utility model embodiment is formed by the way of micelle blown film
Schematic diagram (all has the case where venthole in the first ventilation area and the second ventilation area)；
Fig. 7 is the production process that the Fresh-keeping Packaging for Fruits and Vegetables bag of the utility model embodiment is formed by the way of micelle blown film
Schematic diagram (the case where all there are four ventholes in the first ventilation area and the second ventilation area).
Appended drawing reference indicates are as follows:
1, bag body ontology；11, the first wall body；111, the first ventilation area；12, the second wall body；121, the second ventilation area；
2, cementing line.
Specific embodiment
In conjunction with referring to shown in Fig. 1 to Fig. 7, embodiment according to the present utility model provides a kind of Fresh-keeping Packaging for Fruits and Vegetables bag, packet
Bag body ontology 1 is included, the bag body ontology 1 has the first wall body 11 and the second wall body 12 being oppositely arranged, first wall body 11
With the size Corresponding matching of second wall body 12, first wall body 11 has the first diagonal line, and second wall body 12 has
Have the second diagonal line, first diagonal line and the second diagonal line first wall body 11 projection in the plane be overlapped,
It is configured with the first ventilation area 111 on first wall body 11, the second ventilation area 121 is configured on second wall body 12,
Projection difference of first ventilation area 111 with second ventilation area 121 in first wall body 11 institute in the plane
In described first cornerwise both ends.In the technical solution, first diagonal line be first wall body 11 on straight line most
Path where over long distances, makes first ventilation area 111 be in described first cornerwise one end, the second ventilation area 121
It is then in described first cornerwise other end, thereby ensures that first ventilation area 111 and second ventilating area
The distance between domain 121 is farthest in the range of bag body ontology 1, unidirectional so as to form longest of the air inside packaging bag
Channel, this is conducive to form effectively lasting air flowing inside the packaging bag, and more importantly, described first thoroughly
Gas region 111 and second ventilation area 121 are respectively on first wall body 11 and the second wall body 12, namely are in phase
To in two side walls, this mode is more conducive to forming free convection of the air in packaging bag, and forms effective air and follow
Ring effectively delays the rotten opportunity of fruits and vegetables to realize to the lasting effectively preservation of fruits and vegetables in packaging bag.And the technology
Packaging bag in scheme, it is desirable to (namely vertical type display) is placed in a manner of vertical direction, i.e., described first ventilating area
One in domain 111, the second ventilation area 121 is in higher position (top), and one is in lower position (lower part), certain nothing
How to be put by the packaging bag, first ventilation area 111 described in most occasions of the packaging bag in the technical solution,
Second ventilation area, 121 federation there is a situation where on one side it is high, while low, this mode is better able to make full use of air in atmosphere
Free convection under environment, this is also that the application is different from the prior art and usually punches ventilative hole two layers before and after packaging bag
Way (hole that front and back is punched will cause interference in air flow, the thorough circulation of air in unfavourable packing bag), is also different from existing skill
Usually breathing freely before and after packaging bag, (hole being evenly distributed will cause air-flow and do not flow to the way that hole is evenly distributed in art
Property, can equally be led to interference in air flow), at this point, if the atmospheric density in packaging bag is larger, air in packaging bag will be from being located at
The ventilation area of lower section is discharged, meanwhile, the ventilation area that the air outside packaging bag will be located above from packaging bag enters supplement；
Conversely, air in packaging bag will be discharged from the ventilation area being located above, together if the atmospheric density in packaging bag is smaller
When, the air outside packaging bag will enter supplement from the underlying ventilation area of packaging bag, in this way, the air inside and outside packaging bag
Energy Natural Circulation, air-flow also have specific directionality, hence it is evident that are conducive to preservation of the fruits and vegetables in packaging bag.
For the fresh-keeping effect for further promoting the packaging bag, it is preferable that first catercorner length is L, described
Width of first ventilation area 111 on first catercorner length direction is d1, d1≤0.25L；Second diagonal line
Length is L, width of second ventilation area 121 on second catercorner length direction be d2, d2≤0.25L, into
One step, the breathing area of first ventilation area 111 is S1, and total external surface area of first wall body 11 is Q,
0.0015Q≤S1≤0.08Q；The breathing area of first ventilation area 111 is S2, total outer surface of second wall body 12
Product is Q, 0.0015Q≤S2≤0.08Q.In this way, realize to first ventilation area 111 and the second ventilation area 121 away from
From with the zone of reasonableness on area, prevent the deficiency of hypotelorism bring air flow, air caused by breathing area is excessive
The phenomenon of air circulation difference caused by turbulent, too small generates.
The specific generation type in first ventilation area 111 can be multiplicity, it is preferable that first ventilation area
Include at least one venthole in 111, and include at least one venthole in second ventilation area 121, specifically, can be with
It is the biggish venthole of an area or the lesser venthole of multiple areas, the shape of the venthole can be round, side
Shape, triangle etc., herein without limitation.
As described in the background art, if the water mist that fruits and vegetables are formed in packaging bag is removed not in time, the breeding ground of bacterium will be formed
To accelerate the process that rots of fruits and vegetables, found after many experiments and observation, the water mist formed in packaging bag easily gathers
On corner location in packaging bag, especially corner location (acute angle substantially right angle) at an acute angle when, it is therefore, excellent
Selection of land, one end bonding corresponding with second wall body 12 of the first end of first wall body 11 connect and are formed cementing line 2,
It is understood that cementing line 2 herein is to be used to form the bond locations of packaging bag bottom back cover or oral area sealing, institute
The end edge for stating cementing line 2 and the first end forms angle α, and 1.5%≤tan α≤15%, tan α are the cementing line 2
The gradient, at this point, when being put into fruits and vegetables in the packaging bag, then to carrying out same bonding behaviour at the sack of the packaging bag
Make, and keeps the cementing line 2 at sack parallel with the cementing line 2 of bag bottom, and then make to form one inside the packaging bag
Similar to the space of parallelogram, and diagonal position forms acuter angles, so as to form fruits and vegetables during preservation
Water mist guide into acuter angles, prevent water mist from cannot guide in time and be adhered to fruits and vegetables and bag body ontology 1 inner wall it
Between, induce rotting for fruits and vegetables.
Best, the cementing line 2 is formed with first ventilation area 111 or the second ventilation area 121 and is intersected
Region, and the intersection region is in center side of the cementing line 2 far from the bag body ontology 1, that is, working as the packaging
When bag erects placement, an intersection region in first ventilation area 111, the second ventilation area 121 is in lower position
It sets, at this point, the water mist that fruits and vegetables are formed can be drawn in time by first ventilation area 111 or the second ventilation area 121
Guide goes out the inside of the packaging bag, keeps the relatively dry of fruits and vegetables, further increases the fresh-keeping function of the packaging bag.
Further, the maximum distance d3 of the intersection region and the boundary of first ventilation area 111 is not less than
0.02mm, and/or, the maximum distance d3 on the boundary of the intersection region and second ventilation area 121 is not less than 0.02mm,
It ensure that first ventilation area 111, the second ventilation area 121 can with respectively with second wall body 12, the first wall
The adhesion reliability of body 11 prevents from cracking and is conducive to drain water droplet.
In order to further enhance the preservation of the Fresh-keeping Packaging for Fruits and Vegetables bag, it is preferable that the bag body ontology 1, which has, to be held
Receive chamber, first wall body 11 and/or the second wall body 12 towards the accommodating chamber side have fresh-keeping coating, the fresh-keeping coating
It such as may include silver ion layer or far-infrared ceramic layer.
The bag body ontology 1 is formed in such a way that plastic film material rolls bonding, is given under this mode in Fig. 5
Production process, on the current direction of plastic film material mechanical in first ventilation area of stingy system 111 at continuous pairs angle
Venthole in venthole and the second ventilation area 121 is scratched after the completion of system, will be thermally compressed composite tube after plastic film folding of material
The semi-finished product of shape.Specifically, film wherein turned up with automation equipment by one end when bag making, before and after both ends mutually compound about 1mm or
More than, hot pressing is then heated with line with heating function at compound place or the cementing line (namely is formed with the engagement of the technologies such as glue fitting
2), such film just forms cylindric semi-finished product.It, can be easily in a face of the film using such mode
Upper (namely surrounding face of the accommodating chamber) construction forms fresh-keeping coating.
The bag body ontology 1 can also be formed by the way of micelle blown film, and this mode directly forms half in a tubular form
Finished product, relatively formation process is more simple in such a way that plastic film material rolls bonding, still, constructs corresponding fresh-keeping coating
It is then more difficult, and it is understood that, since semi-finished product have been tubulose, venthole was made stingy when scratching venthole processed at this time
It should be semicircle shape in journey, as illustrated in FIG. 6 is illustrated using micelle blown film mode forming process, it is of course also possible to be full-circle spray pattern,
It is understood that scratching, system is semicircle or full-circle spray pattern is dependent on the number of venthole, for example, using micelle blowing shown in Fig. 7
Film mode forming process shows a case that the venthole in the first ventilation area 111 is four in figure.So guarantee that first is saturating
The venthole in venthole and the second ventilation area 121 in gas region 111 at first cornerwise both ends and is respectively at institute
State the first wall body 11, on the second wall body 12.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill of the art
For personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as the protection scope of the utility model with modification.
Claims (10)
1. a kind of Fresh-keeping Packaging for Fruits and Vegetables bag, which is characterized in that including bag body ontology (1), the bag body ontology (1) has opposite set
The first wall body (11) and the second wall body (12) set, size corresponding of first wall body (11) and second wall body (12)
Match, first wall body (11) has the first diagonal line, and second wall body (12) has the second diagonal line, and described first is diagonal
Line and the second diagonal line first wall body (11) projection in the plane be overlapped, be configured on first wall body (11)
First ventilation area (111) is configured with the second ventilation area (121) on second wall body (12), first ventilation area
(111) with second ventilation area (121) first wall body (11) projection in the plane be respectively at described the
The both ends of a pair of of linea angulata.
2. packaging bag according to claim 1, which is characterized in that first catercorner length is L, and described first is ventilative
Width of the region (111) on first catercorner length direction is d1, d1≤0.25L；With second catercorner length
For L, width of second ventilation area (121) on second catercorner length direction is d2, d2≤0.25L.
3. packaging bag according to claim 1 or 2, which is characterized in that the breathing area of first ventilation area (111)
For S1, total external surface area of first wall body (11) is Q, 0.0015Q≤S1≤0.08Q；With first ventilation area
(111) breathing area is S2, and total external surface area of second wall body (12) is Q, 0.0015Q≤S2≤0.08Q.
4. packaging bag according to claim 1, which is characterized in that include at least one in first ventilation area (111)
A venthole, and include at least one venthole in second ventilation area (121).
5. packaging bag according to claim 1, which is characterized in that the first end and described second of first wall body (11)
The corresponding one end bonding of wall body (12) is connected and is formed cementing line (2), the end edge of cementing line (2) and the first end
Form angle α, 1.5%≤tan α≤15%.
6. packaging bag according to claim 5, which is characterized in that the cementing line (2) and first ventilation area
(111) or the second ventilation area (121) form intersection region, and the intersection region is in the cementing line (2) far from institute
State the center side of bag body ontology (1).
7. packaging bag according to claim 6, which is characterized in that the intersection region and first ventilation area
(111) the maximum distance d3 on boundary is not less than 0.02mm, and/or, the intersection region and second ventilation area (121)
Boundary maximum distance d3 be not less than 0.02mm.
8. packaging bag according to claim 1, which is characterized in that the bag body ontology (1) have accommodating chamber, described first
Wall body (11) and/or the second wall body (12) have fresh-keeping coating towards the accommodating chamber side.
9. packaging bag according to claim 8, which is characterized in that the fresh-keeping coating includes silver ion layer or far infrared
Ceramic layer.
10. packaging bag according to claim 1, which is characterized in that the bag body ontology (1) uses plastic film material volume
The mode of system bonding is formed, or, the bag body ontology (1) is formed by the way of micelle blown film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134699.7U CN209553863U (en) | 2018-12-18 | 2018-12-18 | Fresh-keeping Packaging for Fruits and Vegetables bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134699.7U CN209553863U (en) | 2018-12-18 | 2018-12-18 | Fresh-keeping Packaging for Fruits and Vegetables bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209553863U true CN209553863U (en) | 2019-10-29 |
Family
ID=68302828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822134699.7U Withdrawn - After Issue CN209553863U (en) | 2018-12-18 | 2018-12-18 | Fresh-keeping Packaging for Fruits and Vegetables bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209553863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911388A (en) * | 2018-12-18 | 2019-06-21 | 进佳科技(国际)有限公司 | Fresh-keeping Packaging for Fruits and Vegetables bag |
-
2018
- 2018-12-18 CN CN201822134699.7U patent/CN209553863U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109911388A (en) * | 2018-12-18 | 2019-06-21 | 进佳科技(国际)有限公司 | Fresh-keeping Packaging for Fruits and Vegetables bag |
| CN109911388B (en) * | 2018-12-18 | 2020-10-02 | 进佳科技(国际)有限公司 | Fruit and vegetable fresh-keeping packaging bag |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191029 Effective date of abandoning: 20201002 |