CN205345703U - Preservation box negative pressure lid - Google Patents
Preservation box negative pressure lid Download PDFInfo
- Publication number
- CN205345703U CN205345703U CN201620128519.2U CN201620128519U CN205345703U CN 205345703 U CN205345703 U CN 205345703U CN 201620128519 U CN201620128519 U CN 201620128519U CN 205345703 U CN205345703 U CN 205345703U
- Authority
- CN
- China
- Prior art keywords
- lid
- crisper
- sealing
- negative pressure
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Closures For Containers (AREA)
Abstract
The utility model relates to a preservation box negative pressure lid, including lid and pneumatic valve, the edge of lid is equipped with joint portion and sealing washer, runs through on the lid to set up a through -hole, and the pneumatic valve includes the valve post with through -hole shape looks adaptation, along being equipped with the bracket, still is equipped with ring packing portion on this valve post lateral wall outside the bottom of this valve post, and in the through -hole was located to the valve post during assembly, this sealing was in the relative outside of lid, and the bracket is in the inboard relatively of lid, and the valve post reciprocates in the through -hole, and sealing and bracket are used for limiting the displacement stroke of valve post, the valve post still is equipped with the air vent, and valve toe end is located to the one end of this air vent, and the other end of this air vent on locating the valve post lateral wall of sealing below pushes down pneumatic valve valve post, and the partial air in the preservation box enclosure space passes through air vent discharge preservation box, the sealing and the lid contact back of valve post, and it is sealed to form the negative pressure in the enclosure space, and inside with the outside air of isolated preservation box reaches fresh -keeping function.
Description
Technical field
This utility model relates to crisper technical field, specifically a kind of crisper negative pressure lid.
Background technology
In order to ensure that crisper can play preservation, its topmost influence factor is exactly sealing.Chinese patent CN201120553442.0, name is called crisper, disclose and a kind of utilize principle of negative pressure to carry out the crisper sealed, including the box body that can mutually fasten and lid, described lid is provided with a soft sealing ring, one end of described sealing ring is affixed with lid, other end opening, its cross section is barb-shaped, when described box body and lid fasten, the opening of sealing ring is close on the inwall of box body, the thickness of described sealing ring uniformly narrows from fixed connecting end to opening, the middle part of described lid has a hole, a cock body it is provided with in hole, in described cock body main body, longitudinally cutting one is formed as gas-permeable channels.Relying primarily on friction between cock body and the lid of above-mentioned crisper to seal, sealing effectiveness is poor.
Utility model content
Technical problem to be solved in the utility model is to provide the crisper negative pressure lid of a kind of good sealing effect, folding with convenience.
In order to solve the problems referred to above, this utility model provides a kind of crisper negative pressure lid, and including lid and air valve, the edge of described lid is provided with the Access Division protruded to this lid relative inner, the edge of described lid relative inner is additionally provided with sealing ring, and the inner side of described Access Division is located at by this sealing ring；Described lid runs through a through hole is set, described air valve includes the valve rod suitable with described shape of through holes, the outer, bottom of this valve rod is provided with the bracket stoping valve rod to depart from through hole, this valve rod sidewall is additionally provided with annular seal, during assembling, valve rod is located in through hole, and this sealing is in the opposite exterior lateral sides of lid, and bracket is in the relative inner of lid, valve rod moves up and down in through hole, and sealing and bracket are in order to limit the displacement stroke of valve rod；Described valve rod is additionally provided with passage, and valve rod bottom is located in one end of this passage, and the other end of this passage is located on the valve rod sidewall below sealing, so that the air that sealing contacts front cover body inner side and outer side with lid can circulate；During use, the edge of crisper is between Access Division and the sealing ring of crisper negative pressure lid, so that crisper negative pressure lid and crisper cooperatively form closing space, to press under air valve valve rod, the partial air that crisper is closed in space discharges crisper by passage, after the sealing of valve rod contacts with lid, crisper is closed the air in space and is stopped flowing out, and forms negative-pressure sealing closing in space, the air that isolation crisper is inside and outside, reaches fresh-keeping function.
Further, described lid is provided with a circular groove, and this through hole is located at the central authorities of circular groove, is used for installing described air valve；After pressing under air valve, the sealing of valve rod seals with the diapire of circular groove and coordinates.
Further, the edge of described annular seal is provided with lobe, after this lobe contacts with the diapire of circular groove, it is possible to effectively stops the air circulation of lid inner side and outer side, improves sealing effectiveness.
Further, the top of described air valve valve rod is additionally provided with annular and proposes torsion, it is easy to pressing under air valve and lifting up.
Further, described crisper negative pressure lid also includes the packing ring of the T-shaped setting in cross section, the inner side of described lid is provided with link slot, the L-shaped setting in cross section of described sealing ring, the bottom of this L-type sealing ring and T-shaped packing ring snap-fit engagement are in link slot, the sidewall of this packing ring and the diapire of link slot are fixedly linked, it is prevented that sealing ring comes off.
Further, adopting ultrasonic bonding to be fixedly linked between the link slot of described packing ring and described lid, it is firm to connect, both artistic and practical.
Technique effect of the present utility model: (1) crisper negative pressure lid of the present utility model, relative to prior art, by the cooperation of passage and sealing, closes crisper the partial air in space by discharging, forms negative-pressure sealing；(2) edge of annular seal is provided with lobe, it is possible to effectively stops the air circulation of lid inner side and outer side, improves sealing effectiveness；(3) after sealing ring and packing ring snap-fit engagement, packing ring is fixed, effectively prevents sealing ring impaired, reduce substandard products and produce；(4) adopting ultrasonic bonding to be fixedly linked between packing ring and lid, it is firm to connect, both artistic and practical.
Accompanying drawing explanation
Below in conjunction with Figure of description, this utility model is described in further detail:
Fig. 1 is the structural representation of this utility model crisper negative pressure lid；
Fig. 2 is the assembling schematic diagram of this utility model crisper negative pressure lid and crisper；
Fig. 3 is the schematic diagram sealed after this utility model crisper negative pressure lid assembles with crisper.
In figure: lid 1, groove 2, Access Division 3, air valve 4, passage 5, sealing 6, bracket 7, sealing ring 8, packing ring 9, box body 10, valve rod 11, lobe 12.
Detailed description of the invention
Embodiment 1 is as shown in Figure 1, it can be rectangular or square when that the crisper negative pressure lid of the present embodiment includes other embodiments of lid 1(of rounded setting, suitable with the opening shape of crisper), annular silica gel sealing ring 8 and annular plastics packing ring 9, the edge of lid 1 is provided with to the Access Division 3 that this lid 1 relative inner is protruded and link slot；This link slot is in the inner side of Access Division 3；The cross section of annular silica gel sealing ring 8 is L-shaped, the cross section of annular plastics packing ring 9 is T-shaped, bottom the L-type of this silica gel sealing ring with the T-shaped cloth snap-fit engagement of plastic washer in link slot, the sidewall of this plastic washer 9 and the diapire of link slot are fixedly linked by ultrasonic bonding；Lid 1 central authorities are provided with a circular groove 2, and the central authorities of this circular groove 2 run through and arrange a manhole, are provided with an air valve 4 in through hole；Air valve 4 includes valve rod 11, the outer, bottom of this valve rod 11 is provided with the bracket 7 stoping valve rod to depart from through hole, this valve rod 11 sidewall is additionally provided with annular seal 6, the edge of annular seal 6 is provided with lobe 12, valve rod 11 is additionally provided with passage 5, valve rod 11 bottom is located in one end of this passage 5, and the other end is located on the valve rod sidewall below annular seal 6, and the top of air valve valve rod 11 is additionally provided with annular and proposes torsion.
During assembling, valve rod 11 is located in through hole, and this sealing 6 is in the opposite exterior lateral sides of lid 1, and bracket 7 is in the relative inner of lid 1, and valve rod 11 moves up and down in through hole；During use as shown in Figure 2, the edge of crisper is between Access Division 3 and the silica gel sealing ring 8 of crisper negative pressure lid, so that crisper negative pressure lid and crisper cooperatively form closing space, as shown in Figure 3, carry button by annular to be pressed for 11 times by air valve valve rod, the partial air that crisper is closed in space discharges crisper by passage 5, after the lobe 12 of the sealing 6 of valve rod 11 contacts with the diapire of circular groove 2, crisper is closed the air in space and is stopped flowing out, negative-pressure sealing is formed in space closing, the air that isolation crisper is inside and outside, reach fresh-keeping function.
Crisper negative pressure lid of the present utility model, by the cooperation of passage and sealing, closes crisper the partial air in space by discharging, forms negative-pressure sealing；The edge of annular seal is provided with lobe, it is possible to effectively stops the air circulation of lid inner side and outer side, improves sealing effectiveness；After sealing ring and packing ring snap-fit engagement, packing ring is fixed, effectively prevents sealing ring impaired, reduce substandard products and produce；Adopting ultrasonic bonding to be fixedly linked between packing ring and lid, it is firm to connect, both artistic and practical.
Obviously, above-described embodiment is only for clearly demonstrating example of the present invention, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also cannot all of embodiment be given exhaustive.And the apparent change that these spirit belonging to the present invention are extended out or variation are still among protection scope of the present invention.
Claims (6)
1. a crisper negative pressure lid, including lid (1) and air valve (4), the edge of described lid (1) is provided with the Access Division (3) protruded to this lid (1) relative inner, the edge of described lid (1) relative inner is additionally provided with sealing ring (8), the inner side of described Access Division (3) is located at by this sealing ring (8), it is characterized in that, described lid (1) runs through a through hole is set, described air valve (4) includes the valve rod (11) suitable with described shape of through holes, the outer, bottom of this valve rod (11) is provided with the bracket (7) stoping valve rod to depart from through hole, this valve rod (11) sidewall is additionally provided with annular seal (6), during assembling, valve rod (11) is located in through hole, this sealing (6) is in the opposite exterior lateral sides of lid (1), bracket (7) is in the relative inner of lid (1)；Described valve rod (11) is additionally provided with passage (5), valve rod (11) bottom is located in one end of this passage (5), the other end of this passage (5) is located on valve rod (11) sidewall of sealing (6) lower section, so that the air that sealing (6) contacts front cover body (1) inner side and outer side with lid (1) can circulate.
2. crisper negative pressure lid according to claim 1, it is characterised in that described lid (1) is provided with a circular groove (2), and described through hole is located at the central authorities of this circular groove (2).
3. crisper negative pressure lid according to claim 1, it is characterised in that the edge of described annular seal (6) is provided with lobe (12).
4. crisper negative pressure lid according to claim 3, it is characterised in that the top of described air valve valve rod (11) is additionally provided with annular and proposes torsion.
5. crisper negative pressure lid according to claim 4, it is characterized in that, described crisper negative pressure lid also includes the packing ring (9) of the T-shaped setting in cross section, the relative inner of described lid (1) is provided with link slot, the L-shaped setting in cross section of described sealing ring (8), the bottom of this L-type sealing ring (8) and T-shaped packing ring (9) snap-fit engagement are in link slot, and the sidewall of this packing ring (9) and the diapire of link slot are fixedly linked.
6. crisper negative pressure lid according to claim 5, it is characterised in that adopt ultrasonic bonding to be fixedly linked between the link slot of described packing ring (9) and described lid (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128519.2U CN205345703U (en) | 2016-02-18 | 2016-02-18 | Preservation box negative pressure lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620128519.2U CN205345703U (en) | 2016-02-18 | 2016-02-18 | Preservation box negative pressure lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205345703U true CN205345703U (en) | 2016-06-29 |
Family
ID=56183696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620128519.2U Expired - Fee Related CN205345703U (en) | 2016-02-18 | 2016-02-18 | Preservation box negative pressure lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205345703U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703736A (en) * | 2020-04-30 | 2020-09-25 | 程润昌 | No-buckle rebound cover negative pressure sealing tank |
| CN111806887A (en) * | 2020-07-01 | 2020-10-23 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113955319A (en) * | 2021-11-19 | 2022-01-21 | 珠海格力电器股份有限公司 | Negative pressure generating structure and preservation box |
| CN115416995A (en) * | 2022-09-05 | 2022-12-02 | 黑龙江飞鹤乳业有限公司 | Negative pressure cover and sealing tank with same |
-
2016
- 2016-02-18 CN CN201620128519.2U patent/CN205345703U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703736A (en) * | 2020-04-30 | 2020-09-25 | 程润昌 | No-buckle rebound cover negative pressure sealing tank |
| CN111806887A (en) * | 2020-07-01 | 2020-10-23 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN113955319A (en) * | 2021-11-19 | 2022-01-21 | 珠海格力电器股份有限公司 | Negative pressure generating structure and preservation box |
| CN113955319B (en) * | 2021-11-19 | 2024-04-26 | 珠海格力电器股份有限公司 | Negative pressure generating structure and preservation box |
| CN115416995A (en) * | 2022-09-05 | 2022-12-02 | 黑龙江飞鹤乳业有限公司 | Negative pressure cover and sealing tank with same |
| CN115416995B (en) * | 2022-09-05 | 2024-05-03 | 黑龙江飞鹤乳业有限公司 | Negative pressure cover and sealing tank with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205345703U (en) | Preservation box negative pressure lid | |
| CN205504071U (en) | Atmospheric pressure diaphragm valve | |
| CN204467245U (en) | A kind of cutlery box | |
| KR101399411B1 (en) | Gas exhausting device for airtight container | |
| NZ770084A (en) | Drinking vessel and ventilation members | |
| RU2013138670A (en) | VALVED CONTROL DOSING TUBE | |
| CN201292074Y (en) | Container cover | |
| RU2009117477A (en) | COVERS FOR CONTAINERS INTENDED FOR MULTIPLE COMPONENTS | |
| CN205169242U (en) | Bottle lid subassembly and have its container | |
| CN205034502U (en) | Sealed lid of vacuum control | |
| WO2012020313A3 (en) | Adaptor for fluid tank | |
| CN204110595U (en) | Switching device and comprise the vaccum-pumping equipment of described switching device | |
| CN210372119U (en) | Pneumatic diaphragm valve | |
| CN203094720U (en) | Ventilation type packing barrel cover | |
| CN103508021A (en) | Novel preservation box | |
| CN203682137U (en) | Flap-type anti-theft tipping leakage prevention bottle cap | |
| JP3166615U (en) | Vacuum seal plug | |
| CN107616725B (en) | Cup cover assembly and cup | |
| CN106043936A (en) | Vacuumizing structure, vacuum refreshing cover and vacuum refreshing container | |
| CN215972451U (en) | Lifting type air valve sealing cover and sealing box | |
| CN205018495U (en) | Cosmetic container | |
| CN215476952U (en) | Bottle cap packaged with drying agent | |
| CN205859150U (en) | A kind of sealing device | |
| CN208703210U (en) | Decompression venting valve | |
| CN208090006U (en) | A kind of air valve structure of vacuum fresh-keeping pot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Liyang City Dongsheng Road 213000 Liyang city in Jiangsu province Changzhou City No. 196 Patentee after: Changzhou 100 Roosevelt molding Limited by Share Ltd Address before: Liyang City Dongsheng Road 213000 Liyang city in Jiangsu province Changzhou City No. 196 Patentee before: CHANGZHOU BAISIFU MOLDING CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20190218 |