CN117699240A - Sealing device for high-barrier food package - Google Patents
Sealing device for high-barrier food package Download PDFInfo
- Publication number
- CN117699240A CN117699240A CN202410164114.3A CN202410164114A CN117699240A CN 117699240 A CN117699240 A CN 117699240A CN 202410164114 A CN202410164114 A CN 202410164114A CN 117699240 A CN117699240 A CN 117699240A
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- China
- Prior art keywords
- cover body
- outer cover
- annular
- sealing
- container box
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 96
- 235000013305 food Nutrition 0.000 title claims abstract description 34
- 238000004806 packaging method and process Methods 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 239000000741 silica gel Substances 0.000 claims description 12
- 229910002027 silica gel Inorganic materials 0.000 claims description 12
- 239000011324 bead Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- UFRKOOWSQGXVKV-UHFFFAOYSA-N ethene;ethenol Chemical compound C=C.OC=C UFRKOOWSQGXVKV-UHFFFAOYSA-N 0.000 description 1
- 239000004715 ethylene vinyl alcohol Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Packages (AREA)
Abstract
The invention belongs to the technical field of containers for food packaging, and particularly discloses a sealing device for high-barrier food packaging, which comprises a container box body, a cover body, an annular boss, an outer cover body, an inner sealing ring, a cavity, an air bag, a gas channel, an outer cover body sealing mechanism and a buckle, wherein the inner cover body and the inner sealing ring are used for sealing an opening at the top end of the container box body; the outer cover sealing mechanism is used for sealing the joint of the outer cover and the annular boss after rotating the outer cover downwards. According to the invention, the sealing rings are arranged on the inner cover body and the inner sealing ring to seal the top end opening of the container box body, and the outer cover body sealing mechanism is arranged to seal the joint of the outer cover body and the annular boss after the outer cover body rotates downwards, so that air can be prevented from entering a gap between the outer cover body and the inner cover body and then entering the inner cover body to oxidize the sealing rings, and meanwhile, a secondary sealing effect is achieved on food in the container box body, so that high-barrier packaging of the food is realized.
Description
Technical Field
The invention relates to the technical field of containers for food packaging, in particular to a sealing device for high-barrier food packaging.
Background
The high barrier property generally means that the packaging material has a high barrier effect on permeable substances such as gas, liquid and the like, for example, oxygen is prevented from invading to avoid food deterioration, water vapor is prevented from penetrating to avoid the moisture and mildew of the articles, and the plastic bottle formed by the injection blowing process generally adopts single-layer plastic, and has insufficient oxygen barrier capability, so that a desiccant is usually put into the injection blowing bottle for packaging food, but for some food with moisture, the purpose of long-term storage cannot be achieved by a desiccant putting method, and oxygen and moisture penetrating into the bottle provide living space for microorganisms, so that the food in the bottle is spoiled. Therefore, in order to enhance the barrier property of plastic bottles, multilayer coextrusion blow molding is generally used to form multilayer bottle walls, but the bottle walls are thick, the cost is increased, the uniformity of the wall thickness after forming the bottle is difficult to ensure, and if the single-layer high barrier material is used for injection molding, the cost is quite high.
The current chinese patent application No. cn201721209906.X discloses a sealed container, including box body and lid, the box body includes bottom, opening and follow the bottom extends to open-ended lateral wall, the lid includes the apron, apron downwardly extending has annular boss, the apron outer fringe is equipped with the buckling piece that can buckle, annular boss outer fringe is equipped with first annular groove and second annular groove, be equipped with first sealing washer in the first annular groove, be equipped with the second annular seal in the second annular groove, be equipped with first bulge loop and second bulge loop on the inner edge of lateral wall, form the accommodation groove between apron outer fringe and the annular boss, the width of accommodation groove is greater than the wall thickness of lateral wall, be equipped with the third sealing washer in the accommodation groove, be equipped with double barb structure on the buckling piece, be equipped with the draw-in groove on the outer fringe of lateral wall, the draw-in groove includes seal groove and the spread groove that is used for connecting, be equipped with the fourth sealing washer in the seal groove, the notch department of draw-in groove be provided with double barb structure complex blocking portion. However, the sealing effect of the sealed container is poor because the sealing ring is used for sealing, and the sealing ring is easy to age or oxidize by oxygen in the air for a long time.
Disclosure of Invention
In order to solve the technical problems, the invention provides a sealing device for high-barrier food packaging.
In order to achieve the above purpose, the invention is implemented according to the following technical scheme:
a sealing device for high-barrier food packaging comprises a container box body and a cover body, wherein the container box body is used for containing food, the top end of the container box body is open, and a circle of annular boss is arranged at the upper part of the outer wall of the container box body; the cover body comprises an outer cover body and an inner cover body, the outer wall of the inner cover body is in threaded connection with the inner wall of the outer cover body, the lower end face of the inner cover body is provided with a circle of inner sealing ring which is inserted into the top end opening of the container box body, and the inner cover body and the inner sealing ring are used for sealing the top end opening of the container box body; a cavity is reserved between the upper end face of the inner cover body and the lower end face of the outer cover body, an air bag filled with air is arranged in the cavity, the top end of the air bag is connected with an air channel arranged in the outer cover body, the end part of the air channel extends to the bottom of the outer cover body, an outer cover body sealing mechanism connected with the air channel is arranged at the bottom of the outer cover body, and the outer cover body sealing mechanism is used for enabling the outer cover body to rotate downwards when the outer cover body rotates and then sealing the joint of the outer cover body and the annular boss; the bottom lateral wall of the outer cover body is provided with a plurality of buckles, and the buckle joint is on annular boss after the junction of outer cover body and annular boss is sealed to outer cover body sealing mechanism.
Further, the outer cover body sealing mechanism is an annular bag fixed at the bottom of the outer cover body, and the top of the annular bag is connected with the gas channel; the upper end face of the annular boss right below the annular bag is provided with an annular silica gel bead.
Further, a first annular sealing ring is arranged on the periphery of the outer end face of the inner sealing ring, and a first annular groove matched with the first annular sealing ring is correspondingly formed in the inner wall of the top end of the container box body.
Further, a second annular groove is circumferentially arranged at the top end of the container box body, and a second annular sealing ring matched with the second annular groove is correspondingly arranged on the lower end face of the inner cover body outside the inner sealing ring.
In this technical scheme, mainly realize the one-level seal to container box body open-ended through the interior seal ring on the inner cup body, after pressing in container box body open-ended completely with interior seal ring on the inner cup body, can rotate the outer cup body, thereby can extrude the gasbag when outer cup body down motion in with the gaseous extrusion of gasbag in annular bag, keep apart outer cup body inside and external after annular bag supports the annular silica gel bead on the annular boss, form the second grade and seal, prevent that air from getting into outer cup body and inner cup body and then corrode first ring seal and second ring seal, finally fix outer cup body with the buckle can.
Preferably, the first annular sealing ring and the first annular groove are at least two, and the purpose of the first annular sealing ring and the first annular groove is to improve the primary sealing effect on the top end opening of the container box body.
Preferably, the number of the annular silica gel ribs is two, and the purpose of the annular silica gel ribs is to improve the contact area between the annular bag and the annular silica gel ribs, so that the secondary sealing effect is improved.
Preferably, both the balloon and the annular bladder are made of a high barrier film, the purpose of which is to prevent gas leakage in the balloon and the annular bladder, since once gas leaks, the pressure within the annular bladder is reduced, and failure of the secondary seal may occur.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the sealing rings are arranged on the inner cover body and the inner sealing ring to seal the top end opening of the container box body, and the outer cover body sealing mechanism is arranged to seal the joint of the outer cover body and the annular boss after the outer cover body rotates downwards, so that air can be prevented from entering a gap between the outer cover body and the inner cover body and then entering the inner cover body to oxidize the sealing rings, and meanwhile, a secondary sealing effect is achieved on food in the container box body, so that high-barrier packaging of the food is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, it will be apparent that the drawings in the following description are only embodiments of the present invention, and other drawings can be obtained according to the provided drawings without inventive effort to a person skilled in the art;
FIG. 1 is a cross-sectional view of a sealing device for high barrier food packaging of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a partial enlarged view at B of FIG. 1;
fig. 4 is a sealing state diagram of the sealing device for high barrier food packaging of the present invention;
reference numerals in the drawings: 1. a container box; 101. a second annular groove; 2. an outer cover; 3. an inner cover body; 31. an inner seal ring; 32. a first annular seal ring; 33. a first annular groove; 34. a second annular seal ring; 4. an air bag; 5. a gas channel; 6. an annular pouch; 7. an annular boss; 8. a buckle; 9. annular silica gel bead.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. The specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 to 4, fig. 1 is a cross-sectional view of a sealing device for high barrier food packaging of the present invention,
fig. 2 is a partially enlarged view of fig. 1 at a, fig. 3 is a partially enlarged view of fig. 1 at B, and fig. 4 is a sealing state of the sealing device for high barrier food packaging according to the present invention. The embodiment exemplarily shows a sealing device for high-barrier food packaging, which comprises a container box body 1 and a cover body, wherein the container box body is used for containing food, the cylindrical container box body is taken as an example, the top end of the container box body 1 is opened, and a circle of annular boss 7 is arranged at the upper part of the outer wall of the container box body 1; the cover body comprises an outer cover body 2 and an inner cover body 3, the outer wall of the inner cover body 3 is in threaded connection with the inner wall of the outer cover body 2, the lower end face of the inner cover body 3 is provided with a circle of inner sealing ring 31 which is inserted into the top end opening of the container box body 1, and the inner cover body 3 and the inner sealing ring 31 are used for sealing the top end opening of the container box body 1; a cavity is reserved between the upper end face of the inner cover body 3 and the lower end face of the outer cover body 2, an air bag 4 filled with air is arranged in the cavity, the top end of the air bag 4 is connected with an air channel 5 arranged in the outer cover body 2, the end part of the air channel 5 extends to the bottom of the outer cover body 2, an outer cover body sealing mechanism connected with the air channel 5 is arranged at the bottom of the outer cover body 2, and the outer cover body sealing mechanism is used for sealing the joint of the outer cover body 2 and the annular boss 7 after the outer cover body 2 rotates downwards when the outer cover body 2 rotates; the outer side wall of the bottom of the outer cover body 2 is provided with a plurality of buckles 8, and the buckles 8 are clamped on the annular boss 7 after the joint of the outer cover body 2 and the annular boss 7 is sealed by the outer cover body sealing mechanism; it should be noted that, the buckle 8 used in this embodiment may directly adopt a lunch box buckle on an existing lunch box, and the specific structure of this embodiment is not described again.
Of course, the container case 1 of the present embodiment may be square, oval, or the like.
Specifically, as shown in fig. 1, 3 and 4, the outer cover sealing mechanism of the embodiment is an annular bag 6 fixed at the bottom of the outer cover 2, the top of the annular bag 6 is connected with the gas channel 5, an annular silica gel rib 9 is arranged on the upper end face of an annular boss 7 right below the annular bag 6, and as shown in fig. 3, the number of the annular silica gel ribs 9 in the embodiment is two; the gas pressure of the annular pocket 6 is small when the balloon 4 is not compressed; when the outer cover body 2 is rotated to extrude the air bag 4, the air in the air bag 4 is pressed into the annular bag 6, and the pressure in the annular bag 6 is increased along with the increasing extrusion amount so as to better prop against the annular silica gel rib 9, so that the sealing of the outer cover body 2 is realized; of course, the air of the air bag 4 cannot be filled too much, so as to prevent the annular bag 6 from being extruded and exploded; in order to ensure the airtightness of the balloon 4 and the annular bag 6, both the balloon 4 and the annular bag 6 are made of a high barrier film such as EVOH high barrier film.
As shown in fig. 2, the outer end surface of the inner seal ring 31 is circumferentially provided with a first annular seal ring 32, correspondingly, the top end inner wall of the container box 1 is provided with a first annular groove 33 matched with the first annular seal ring 32, and the first annular seal ring 32 and the first annular groove 33 are at least two, in fig. 2, the first annular seal ring 32 and the first annular groove 33 are two, and the two first annular seal rings 32 are enough to seal the top end opening of the container box 1 well. Since the inner sealing ring 31 is completely embedded into the top end opening of the container box body 1, a gap still exists between the inner cover body 3 and the top end of the container box body 1, air can enter, and then the first annular sealing ring 32 can be oxidized, a second annular groove 101 is circumferentially arranged at the top end of the container box body 1, and correspondingly, a second annular sealing ring 34 matched with the second annular groove 101 is arranged at the lower end face of the inner cover body 3 outside the inner sealing ring 31; in the actual use process, a small amount of air is reserved in the outer cover body 2 after the outer cover body 2 is sealed by the annular bag 6, and the main function of the second annular sealing ring 34 is to prevent the air from entering the first annular sealing ring 32 from the gap between the top of the container box body 1 and the lower side of the inner cover body 3 to corrode and oxidize the air; when the annular sealing ring needs to be replaced, the inner cover body 3 and the outer cover body 2 can be detached, so that the replacement is convenient, and the air bag 4 can be replaced.
When the sealing device of the embodiment is used for high-barrier packaging of food, the cover body is firstly taken down, the food is put into the container box body 1, then the inner sealing ring 31 on the inner cover body 3 can be completely embedded into the top end opening of the container box body 1 by pressing the outer cover body 2, and the primary sealing of the top end opening of the container box body 1 is realized under the action of the first annular sealing ring 32 and the second annular sealing ring 34; then the outer cover body 2 can be rotated clockwise, the air bag 4 can be extruded when the outer cover body 2 moves downwards, so that the air in the air bag 4 is extruded into the annular bag 6, when the annular bag 6 is propped against the annular silica gel convex edge 9 on the annular boss 7, the inner part of the outer cover body 2 is isolated from the outside, secondary sealing is formed, air is prevented from entering the outer cover body 2 and the inner cover body 3, further, the first annular sealing ring 32 and the second annular sealing ring 34 are corroded, finally, the outer cover body 2 is fixed by the buckle 8, and high-barrier packaging of food is completed.
The technical scheme of the invention is not limited to the specific embodiment, and all technical modifications made according to the technical scheme of the invention fall within the protection scope of the invention.
Claims (7)
1. The utility model provides a sealing device for high separation food package, includes container box body and the lid that is used for holding food, its characterized in that: the top end of the container box body is provided with an opening, and the upper part of the outer wall of the container box body is provided with a circle of annular boss; the cover body comprises an outer cover body and an inner cover body, the outer wall of the inner cover body is in threaded connection with the inner wall of the outer cover body, the lower end face of the inner cover body is provided with a circle of inner sealing ring which is inserted into the top end opening of the container box body, and the inner cover body and the inner sealing ring are used for sealing the top end opening of the container box body; a cavity is reserved between the upper end face of the inner cover body and the lower end face of the outer cover body, an air bag filled with air is arranged in the cavity, the top end of the air bag is connected with an air channel arranged in the outer cover body, the end part of the air channel extends to the bottom of the outer cover body, an outer cover body sealing mechanism connected with the air channel is arranged at the bottom of the outer cover body, and the outer cover body sealing mechanism is used for enabling the outer cover body to rotate downwards when rotating the outer cover body and then sealing the joint of the outer cover body and the annular boss; the bottom lateral wall of the outer cover body is provided with a plurality of buckles, and the outer cover body sealing mechanism seals the joint of the outer cover body and the annular boss and then the buckles are clamped on the annular boss.
2. The sealing device for high barrier food packaging according to claim 1, wherein: the outer cover body sealing mechanism is an annular bag fixed at the bottom of the outer cover body, and the top of the annular bag is connected with the gas channel; the upper end face of the annular boss right below the annular bag is provided with an annular silica gel bead.
3. The sealing device for high barrier food packaging according to claim 1, wherein: the outer end face circumference of the inner sealing ring is provided with a first annular sealing ring, and correspondingly, the inner wall of the top end of the container box body is provided with a first annular groove matched with the first annular sealing ring.
4. A sealing device for high barrier food packaging according to claim 1 or 3, characterized in that: the top circumference of container box body is equipped with the second annular groove, correspondingly the inner cup body lower terminal surface in the outside of inner seal ring be equipped with the second annular seal ring of second annular groove matching.
5. A sealing device for high barrier food packaging according to claim 3, wherein: the first annular sealing ring and the first annular groove are at least two.
6. The sealing device for high barrier food packaging according to claim 2, wherein: the number of the annular silica gel ribs is two.
7. The sealing device for high barrier food packaging according to claim 2, wherein: the balloon and the annular pouch are each made of a high barrier film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410164114.3A CN117699240A (en) | 2024-02-05 | 2024-02-05 | Sealing device for high-barrier food package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410164114.3A CN117699240A (en) | 2024-02-05 | 2024-02-05 | Sealing device for high-barrier food package |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117699240A true CN117699240A (en) | 2024-03-15 |
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ID=90162870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410164114.3A Pending CN117699240A (en) | 2024-02-05 | 2024-02-05 | Sealing device for high-barrier food package |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117699240A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20115488U1 (en) * | 2001-09-20 | 2001-12-06 | Seaquist Loeffler Kunststoffwerk Gmbh | Dispensing closure for containers containing flowable goods |
| KR20060120522A (en) * | 2006-10-26 | 2006-11-27 | 김진만 | A airtight box two-stage locking device |
| WO2010040965A1 (en) * | 2008-10-10 | 2010-04-15 | Compagnie Gervais Danone | Food packaging with a closing lid |
| CN103410977A (en) * | 2013-07-25 | 2013-11-27 | 天津市亚安科技股份有限公司 | Protective cover inflation type seal ring mounting structure |
| CN207404184U (en) * | 2017-11-15 | 2018-05-25 | 江苏怡成屏障科技有限公司 | A kind of paint packing tin with double layer cap |
| CN113859709A (en) * | 2021-10-08 | 2021-12-31 | 无锡市爱尔德药用玻璃有限公司 | Transparent screw bottle with good sealing performance |
| CN217624842U (en) * | 2021-11-30 | 2022-10-21 | 苏州安特实业有限公司 | Antistatic protection box is used in precision instruments transportation |
| CN218559691U (en) * | 2022-10-08 | 2023-03-03 | 武汉沣浩新材料有限公司 | Explosion-proof agent containing device for hot galvanizing |
-
2024
- 2024-02-05 CN CN202410164114.3A patent/CN117699240A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20115488U1 (en) * | 2001-09-20 | 2001-12-06 | Seaquist Loeffler Kunststoffwerk Gmbh | Dispensing closure for containers containing flowable goods |
| KR20060120522A (en) * | 2006-10-26 | 2006-11-27 | 김진만 | A airtight box two-stage locking device |
| WO2010040965A1 (en) * | 2008-10-10 | 2010-04-15 | Compagnie Gervais Danone | Food packaging with a closing lid |
| CN103410977A (en) * | 2013-07-25 | 2013-11-27 | 天津市亚安科技股份有限公司 | Protective cover inflation type seal ring mounting structure |
| CN207404184U (en) * | 2017-11-15 | 2018-05-25 | 江苏怡成屏障科技有限公司 | A kind of paint packing tin with double layer cap |
| CN113859709A (en) * | 2021-10-08 | 2021-12-31 | 无锡市爱尔德药用玻璃有限公司 | Transparent screw bottle with good sealing performance |
| CN217624842U (en) * | 2021-11-30 | 2022-10-21 | 苏州安特实业有限公司 | Antistatic protection box is used in precision instruments transportation |
| CN218559691U (en) * | 2022-10-08 | 2023-03-03 | 武汉沣浩新材料有限公司 | Explosion-proof agent containing device for hot galvanizing |
Non-Patent Citations (1)
| Title |
|---|
| 李世鹏等: "固体火箭发动机设计", 31 January 2021, 印刷工业出版社, pages: 129 - 131 * |
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