CN219584906U - Vacuum fresh-keeping container and sealing plug - Google Patents
Vacuum fresh-keeping container and sealing plug Download PDFInfo
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- CN219584906U CN219584906U CN202320257907.0U CN202320257907U CN219584906U CN 219584906 U CN219584906 U CN 219584906U CN 202320257907 U CN202320257907 U CN 202320257907U CN 219584906 U CN219584906 U CN 219584906U
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- central body
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- upper sealing
- cover body
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- 238000007789 sealing Methods 0.000 title claims abstract description 180
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000000605 extraction Methods 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000004321 preservation Methods 0.000 description 8
- 238000005086 pumping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model relates to a vacuum fresh-keeping container and a sealing plug, wherein the container comprises a container main body, a cover body and the sealing plug, the cover body is provided with an air hole, the sealing plug comprises a central body, the central body is arranged in the air hole in a penetrating way, an upper sealing part and a lower sealing part which extend out along the radial direction of the central body are arranged on the central body, the upper sealing part is positioned on one side of the top surface of the cover body, the lower sealing part is positioned on one side of the bottom surface of the cover body, the bottom surface of the upper sealing part is connected with the peripheral surface of the central body through an upper sealing inclined surface, and the upper sealing inclined surface extends obliquely from bottom to top to a direction far away from the central body; the bottom surface of the upper seal portion extends obliquely from top to bottom in a direction away from the center body in a natural state. According to the utility model, under the normal pressure state, the upper sealing part and the lower sealing part cooperate to realize cooperative sealing, and under the negative pressure state, the upper sealing part can realize double sealing, so that the vacuum fresh-keeping container has better sealing performance in both the normal pressure state and the negative pressure state, and the sealing time is longer, thereby meeting the better vacuum degree requirement.
Description
Technical Field
The utility model relates to the technical field of vacuum fresh-keeping containers, in particular to a vacuum fresh-keeping container and a sealing plug.
Background
A fresh box is a container used for the storage, quality guarantee and cooking process of food. The preservation box generally comprises a box cover and a box body, wherein the box cover is arranged on the box body, and the inside and the outside of the box are isolated through the seal between the box cover and the box body, so that preservation is realized, but because the box is internally provided with certain air, the preservation time of the box is influenced by the air in the box.
Compared with a common preservation box, the vacuum preservation box can pump air in the box away, so that the inside of the box is kept in a vacuum state, the preservation time is prolonged, and the preservation effect is improved. In general, a vacuum preservation box adopts a structure that an air hole is arranged on a box cover for vacuumizing, and a sealing plug is arranged in the air hole for maintaining vacuum.
See patent publication number CN213169341U, a vacuum-pumping fresh-keeping box cover is disclosed, the box cover comprises an upper cover with a vent hole in the middle, an air valve is installed in the vent hole, the air valve comprises an installation column with a through hole in the inner part, an upper flange is integrally formed above the installation column, the installation column is sleeved in the vent hole, the upper flange is arranged above the vent hole, and the outer diameter of the upper flange is larger than the inner diameter of the vent hole. When the fresh-keeping box is covered, the vacuum pump is arranged above the air valve, the vacuum pump is started, so that air in the fresh-keeping box is discharged from the air valve, and when the interior of the fresh-keeping box is in negative pressure, the air valve also moves downwards until the lower surface of the upper flange is tightly attached to the upper cover.
However, in this structure, the lower surface of the upper flange is not sealed with the upper cover in the normal pressure state in the fresh-keeping box, and gas can enter the fresh-keeping box through the vent hole and the vent groove, so that the inside of the fresh-keeping box cannot achieve better sealing performance.
In addition, the air valve and the upper cover are sealed only by the joint of the upper flange and the upper cover, and the risk of air leakage is easy to occur when the inside of the fresh box is in a negative pressure state; meanwhile, in the air extraction process, the air valve can move downwards in the air vent, and the root of the upper flange is propped against the air vent and then moves continuously, so that the upper flange is easy to tilt upwards, the fit degree between the upper flange and the upper cover is reduced, and the tightness is affected.
Disclosure of Invention
The utility model aims to provide a vacuum fresh-keeping container with better sealing performance, and the vacuum fresh-keeping container has better sealing effect in both normal pressure state and negative pressure state.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a vacuum fresh-keeping container comprises a container main body, a cover body and a sealing plug, wherein the container main body is provided with an opening, and a storage space is formed inside the container main body; the cover body can cover and establish the opening part of container main part, the cover body on seted up gas pocket, its characterized in that:
the sealing plug comprises a columnar central body, the central body is arranged in the air hole in a penetrating way, an air extraction channel is formed between the central body and the air hole, an upper sealing part and a lower sealing part which extend out along the radial direction of the central body are arranged on the central body, the extending distance of the upper sealing part is larger than that of the lower sealing part, the upper sealing part is positioned on one side of the top surface of the cover body, the lower sealing part is positioned on one side of the bottom surface of the cover body, the bottom surface of the upper sealing part is connected with the peripheral surface of the central body through an upper sealing inclined surface, and the upper sealing inclined surface extends obliquely from bottom to top in a direction far away from the central body; the bottom surface of the upper sealing part extends obliquely from top to bottom in a direction away from the central body in a natural state.
Preferably, in the above technical solution, when the cover is covered on the container main body and the storage space is in a normal pressure state: the upper sealing inclined surface is positioned at the outer side of the air suction channel, and the end part of the upper sealing part is propped against the top surface of the cover body; when the cover body is covered on the container main body and the storage space is in a negative pressure state: the upper sealing inclined surface moves into the air suction channel, and the bottom surface of the upper sealing part is clung to the top surface of the cover body.
In the above technical solution, preferably, the lower sealing portion has a lower sealing surface, and when the cover is covered on the container main body and the storage space is in a normal pressure state: the lower sealing surface is propped against the bottom surface of the cover body or at least partially positioned in the air exhaust channel. The lower sealing part can seal the air exhaust channel in a normal pressure state, and simultaneously the mutual stress of the upper sealing part is matched, so that the storage space can be effectively ensured to have good sealing performance in the normal pressure state, and the sealing plug can be prevented from moving up and down in the air hole.
Another object of the utility model is to provide a sealing plug.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a sealing plug, characterized in that: the sealing plug comprises a columnar central body, an upper sealing part and a lower sealing part which extend along the radial direction of the central body are arranged on the central body, the extending distance of the upper sealing part is larger than that of the lower sealing part, the bottom surface of the upper sealing part is connected with the peripheral surface of the central body through an upper sealing inclined surface, and the upper sealing inclined surface extends obliquely from bottom to top in the direction away from the central body; the bottom surface of the upper sealing part extends obliquely from top to bottom in a direction away from the central body in a natural state.
In the above technical solution, preferably, the bottom surface of the upper sealing portion extends in a horizontal direction under a negative pressure state.
In the above technical solution, preferably, the lower sealing portion has a lower sealing surface, and the lower sealing surface is an inclined surface, an arc surface or a step surface.
According to the technical scheme, preferably, the center body is provided with the anti-falling part extending along the radial direction of the center body, the anti-falling part is positioned below the lower sealing part, and the extending distance of the anti-falling part is larger than that of the lower sealing part. The anti-falling part is propped against the bottom surface of the cover body when the sealing plug is opened, so that the sealing plug is prevented from falling off from the cover body.
According to the technical scheme, preferably, the indication channel is arranged in the central body, the indication channel penetrates through the lower end of the central body, and the indication piece is arranged at the upper end of the indication channel.
Further preferably, the indicator bulges upward in a natural state, and the indicator is concave inward in a negative pressure state. The state of sealing can be intuitively understood through the indicator.
Preferably, in the above technical solution, the sealing plug is integrally formed; the sealing plug adopts silica gel.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the upper sealing part and the lower sealing part are cooperatively sealed under the common action of the vacuum fresh-keeping container in a normal pressure state, and the upper sealing part can realize double sealing under a negative pressure state, so that the vacuum fresh-keeping container has better sealing performance in both the normal pressure state and the negative pressure state, and the sealing time is longer, thereby meeting the requirement of better vacuum degree;
the upper sealing part of the utility model is provided with the upper sealing inclined surface, so that the upper sealing inclined surface can be clamped in the air suction channel under the negative pressure state, and double sealing is realized by matching the upper sealing part with the top surface of the cover body;
the bottom surface of the upper sealing part in the sealing plug is obliquely arranged in a natural state, the end part of the upper sealing part can be propped against the top surface of the cover body, and the sealing in a normal pressure state is realized by matching with the lower sealing part; in addition, the sealing plug moves downwards in the air hole in the air extraction process, the root of the inclined upper sealing part moves downwards firstly, so that the bottom surface of the inclined upper sealing part is gradually leveled to be completely attached to the top surface of the cover body, the upper sealing part is not easy to warp upwards, and the attachment degree of the bottom surface of the upper sealing part and the top surface of the cover body is ensured.
Drawings
FIG. 1 is a schematic perspective view of a circular vacuum fresh-keeping container according to the present utility model;
FIG. 2 is a schematic perspective view of a rectangular vacuum fresh-keeping container according to the present utility model;
FIG. 3 is a schematic perspective view of a square vacuum fresh-keeping container according to the present utility model;
FIG. 4 is a schematic top view of FIG. 1;
FIG. 5 is a schematic view of section A-A of FIG. 4 (at atmospheric pressure);
FIG. 6 is an enlarged view of portion B of FIG. 5;
FIG. 7 is a schematic top view of the cover of the present utility model;
FIG. 8 is a schematic view of section C-C of FIG. 7 (under negative pressure);
FIG. 9 is an enlarged view of portion D of FIG. 8;
fig. 10 is a schematic front view of the sealing plug in the natural state;
fig. 11 is a schematic front view of the sealing plug in the negative pressure state.
In the above figures:
1. a container body;
2. a cover body; 20. a seal ring; 21. air holes; 22. an air extraction channel; 240. a notch groove;
3. a sealing plug; 30. a central body; 300. an indication channel; 301. an indicator; 31. an upper sealing part; 310. a bottom surface; 311. an upper sealing inclined plane; 32. a lower sealing part; 320. a lower sealing surface; 33. and an anti-falling part.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A vacuum fresh-keeping container comprises a container main body 1, a cover body 2 and a sealing plug 3. Wherein:
the container body 1 has an opening, and a storage space is formed therein, and the container body 1 may be circular, rectangular, square, or the like, as shown in fig. 1 to 3. Preferably, the opening size of the top of the container body 1 is larger than the opening size of the bottom thereof, and the container body is shaped to be large in the upper and lower directions.
The lid 2 is provided to cover the opening of the container body 1, and seals the storage space of the container body 1. A circle of sealing rings 20 are distributed around the cover body 2, and when the cover body 2 is covered on the top of the container main body 1, the cover body 2 and the container main body 1 are sealed by the sealing rings 20. The edge of the cover body 2 is provided with a notch 240, and when in operation, the cover body 2 can be opened more conveniently by pushing the notch 240. The cover body 2 is provided with an air hole 21 for arranging the sealing plug 3.
As shown in fig. 10: the sealing plug 3 is made of silica gel, and preferably, the sealing plug 3 is integrally formed.
As shown in fig. 4-9: in this embodiment, the sealing plug 3 includes a cylindrical central body 30, the sealing plug 3 is inserted into the air hole 21 through the central body 30, and an air extraction channel 22 is formed between the central body 30 and the air hole 21. An indication channel 300 is formed in the central body 30, the indication channel 300 penetrates through the lower end of the central body 30, an indication piece 301 is arranged at the upper end of the indication channel 300, the indication channel 300 can be in a circular arc shape, and the indication channel 300 can be directly communicated with the inside of the container main body 1. In a natural state, the storage space in the container body 1 is at normal pressure, and the indicator 301 is also kept to bulge upward in the natural state, as shown in fig. 10; when the inside of the container body 1 becomes negative pressure, the indicator 301 is sucked into the indication channel 300 by pressure, and a state is formed in which the indicator 300 is recessed inward, as shown in fig. 11. In this way, the state of the container seal can be intuitively understood by the indicator 301.
The central body 30 is provided with an upper sealing portion 31 and a lower sealing portion 32 extending in a radial direction thereof, and the upper sealing portion 31 extends a greater distance than the lower sealing portion 32. The upper sealing part 31 extends longer, so that the container can be better sealed with the top surface of the cover body 2 under the negative pressure state.
The upper sealing part 31 is located at the top surface side of the cover body 2, the bottom surface 310 of the upper sealing part 31 is connected with the outer peripheral surface of the central body 30 through an upper sealing inclined surface 311, the upper sealing inclined surface 311 extends obliquely from bottom to top in a direction away from the central body 30, and meanwhile, the bottom surface 310 of the upper sealing part 31 extends obliquely from top to bottom in a direction away from the central body 30 in a natural state.
The lower sealing part 32 is positioned on one side of the bottom surface of the cover body 2, the lower sealing part 32 is provided with a lower sealing surface 320, and the lower sealing surface 320 is an inclined surface or an arc surface or a step surface.
The central body 30 is further provided with an anti-falling portion 33 extending radially therefrom, the anti-falling portion 33 being located below the lower sealing portion 32, and an extending distance of the anti-falling portion 33 being greater than an extending distance of the lower sealing portion 32. The anti-falling portion 33 is used to abut against the bottom surface of the cover 2 when the sealing plug 3 is opened, and prevent the sealing plug 3 from falling off the cover 2.
As shown in fig. 4-6: the cover body 2 is covered on the container body 1, at this time, the storage space in the container body 1 is in a normal pressure state, the upper sealing inclined surface 311 is positioned at the outer side of the air suction channel 22, the bottom surface 310 of the upper sealing part 31 is in an inclined state, and the end part of the upper sealing part 21 is propped against the top surface of the cover body 2; at the same time, the lower sealing surface 320 is abutted against the bottom surface of the cover body 2, or at least partially positioned in the air suction channel 22, so that the storage space can maintain a good sealing effect under the normal pressure state.
The vacuum pump is used for pumping air into the container main body 1 against the sealing plug 3, air is pumped out from the air pumping channel 22 between the central body 30 and the air holes 21, so that negative pressure is formed in the container main body 1, when the vacuum pump is taken out, the sealing plug 3 moves downwards in the air holes 21 under the action of negative pressure, the upper sealing inclined surface 311 moves into and is clamped in the air pumping channel 22, and simultaneously the root of the inclined upper sealing part 31 moves downwards firstly, so that the bottom surface 310 of the inclined upper sealing part is gradually leveled and is completely attached to the top surface of the cover body 2, and a double sealing state shown in fig. 7-9 is formed, so that the vacuum degree and the vacuum time which cannot be achieved by other products are achieved.
When the lid body 2 needs to be opened, the negative pressure state of the storage space in the container body 1 needs to be released, at this time, the sealing plug 3 is pulled up, the upper sealing inclined surface 311 is pulled out from the air extraction channel 22, the adhesion between the bottom surface 310 of the upper sealing part 31 and the top surface of the lid body 2 is destroyed, and the air can enter the container body 1 from the air extraction channel 22, so that the negative pressure state disappears, and the lid body 2 can be opened easily. At the same time, the sealing plug 3 is not detached from the cover 2 due to the blocking by the detachment prevention portion 33.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (10)
1. A vacuum fresh-keeping container comprises a container main body, a cover body and a sealing plug, wherein the container main body is provided with an opening, and a storage space is formed inside the container main body; the cover body can cover and establish the opening part of container main part, the cover body on seted up gas pocket, its characterized in that:
the sealing plug comprises a columnar central body, the central body is arranged in the air hole in a penetrating way, an air extraction channel is formed between the central body and the air hole, an upper sealing part and a lower sealing part which extend out along the radial direction of the central body are arranged on the central body, the extending distance of the upper sealing part is larger than that of the lower sealing part, the upper sealing part is positioned on one side of the top surface of the cover body, the lower sealing part is positioned on one side of the bottom surface of the cover body, the bottom surface of the upper sealing part is connected with the peripheral surface of the central body through an upper sealing inclined surface, and the upper sealing inclined surface extends obliquely from bottom to top in a direction far away from the central body; the bottom surface of the upper sealing part extends obliquely from top to bottom in a direction away from the central body in a natural state.
2. The vacuum fresh-keeping container according to claim 1, wherein: when the cover body is covered on the container main body and the storage space is in a normal pressure state: the upper sealing inclined surface is positioned at the outer side of the air suction channel, and the end part of the upper sealing part is propped against the top surface of the cover body; when the cover body is covered on the container main body and the storage space is in a negative pressure state: the upper sealing inclined surface moves into the air suction channel, and the bottom surface of the upper sealing part is clung to the top surface of the cover body.
3. The vacuum fresh-keeping container according to claim 1, wherein: the lower sealing part is provided with a lower sealing surface, and when the cover body is covered on the container main body and the storage space is in a normal pressure state: the lower sealing surface is propped against the bottom surface of the cover body or at least partially positioned in the air exhaust channel.
4. A sealing plug, characterized in that: the sealing plug comprises a columnar central body, an upper sealing part and a lower sealing part which extend along the radial direction of the central body are arranged on the central body, the extending distance of the upper sealing part is larger than that of the lower sealing part, the bottom surface of the upper sealing part is connected with the peripheral surface of the central body through an upper sealing inclined surface, and the upper sealing inclined surface extends obliquely from bottom to top in the direction away from the central body; the bottom surface of the upper sealing part extends obliquely from top to bottom in a direction away from the central body in a natural state.
5. A sealing plug as claimed in claim 4, wherein: the bottom surface of the upper sealing part extends along the horizontal direction under the negative pressure state.
6. A sealing plug as claimed in claim 4, wherein: the lower sealing part is provided with a lower sealing surface which is an inclined surface, an arc surface or a step surface.
7. A sealing plug as claimed in claim 4, wherein: the central body is provided with an anti-falling part extending along the radial direction of the central body, the anti-falling part is positioned below the lower sealing part, and the extending distance of the anti-falling part is larger than that of the lower sealing part.
8. A sealing plug as claimed in claim 4, wherein: an indication channel is arranged in the central body, the indication channel penetrates through the lower end of the central body, and an indication piece is arranged at the upper end of the indication channel.
9. A sealing plug as claimed in claim 8, wherein: the indicator bulges upwards in a natural state, and the indicator is concave inwards towards the indication channel in a negative pressure state.
10. A sealing plug as claimed in claim 4, wherein: the sealing plug is integrally formed; the sealing plug adopts silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257907.0U CN219584906U (en) | 2023-02-20 | 2023-02-20 | Vacuum fresh-keeping container and sealing plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257907.0U CN219584906U (en) | 2023-02-20 | 2023-02-20 | Vacuum fresh-keeping container and sealing plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219584906U true CN219584906U (en) | 2023-08-25 |
Family
ID=87694174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320257907.0U Active CN219584906U (en) | 2023-02-20 | 2023-02-20 | Vacuum fresh-keeping container and sealing plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219584906U (en) |
-
2023
- 2023-02-20 CN CN202320257907.0U patent/CN219584906U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215000, First and Second Floors of Comprehensive Building, No. 393 Fuping Road, Pingwang Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Golden Rice Bowl New Material Technology Co.,Ltd. Country or region after: China Address before: 215000 No. 88, Yanbang Road, Tongxing village, Tongli Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou jinfanwan Plastic Technology Co.,Ltd. Country or region before: China |