CN108263746A - A kind of crisper of good preservation effect, easy to operate - Google Patents
A kind of crisper of good preservation effect, easy to operate Download PDFInfo
- Publication number
- CN108263746A CN108263746A CN201810240889.9A CN201810240889A CN108263746A CN 108263746 A CN108263746 A CN 108263746A CN 201810240889 A CN201810240889 A CN 201810240889A CN 108263746 A CN108263746 A CN 108263746A
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- CN
- China
- Prior art keywords
- valve
- crisper
- switch
- easy
- box body
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
- B65D51/1672—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element
- B65D51/1683—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by manual actuation of the closure or other element by actuating a separate element in the container or closure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
- B65D53/02—Collars or rings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
Abstract
The invention discloses a kind of of good preservation effect, easy to operate crisper, the crisper includes box body, lid closes the box cover above box body and the first sealing ring being set between box body and box cover, valve is offered on box cover, opening on box cover is installed or closes the valve switch of valve, valve switch includes switch press plate and the switch spindle for being integrally formed the middle part below switch press plate, switch spindle is hinged on box cover, integrally formed with valve plug below one end of switch press plate, valve plug is stretched into valve, shrapnel is provided with below the other end of switch press plate, one end of shrapnel is integrally formed in switch spindle, the other end is connected with strut axle, the strut axle of strut is articulated on box cover.The present invention only need to can realize the opening and closing of valve by pressing switch press plate, easy to operate；And upper and lower lip edge is set on the first sealing ring, upper and lower lip is made to make the uniform force of the first sealing ring, anti-impact force is stronger along being pull-in on inboard wall of cartridge completely.
Description
Technical field
The present invention relates to crisper technical field more particularly to a kind of crispers of good preservation effect, easy to operate.
Background technology
With the generally use of refrigerator and micro-wave oven, use is preserved and heated convenient for food, when storing and carrying food,
Crisper is needed to be sealed.The operation principle of the crisper for will need fresh-keeping food by crisper and outside air every
It is fresh-keeping from so as to be carried out to article, the food is made to keep fresh with this.
Crisper currently on the market is there are many type, except more original generic container that can only make uses what can not be sealed
Outside, the more commonly used of setting sealing at present has two kinds：A kind of is that soft gasket seal, box cover are accompanied between box body and box cover
The upper multiple buckles of setting, the buckle clasp box body edge, make gasket seal pressurization, the folding behaviour of the crisper of this structure
It makes comparisons cumbersome laborious, box cover unbalance stress can cause to deform, and sealing effect is poor, if bayonet unit can be serious when damaging
The sealing effect of crisper is influenced, and is susceptible to the situation of sealing ring unbalance stress, sealing ring can be seriously affected in this way
Sealing effect；Another kind is that outer ring is equipped with the circle flexible plate suitable for reading more than box body below box cover, after box cover buckles into box body
The outer edge of flexible plate is turned back deformation, is fitted on inboard wall of cartridge, reaches sealing, and box cover has air with box body when fastening
Compression, can generate negative pressure during opening in box, box cover is equipped with rolling cover formula valve, and the opening of valve is closed and need to use manual operation, behaviour
Make cumbersome, rolling cover formula valve is difficult to be removed from box cover, easily leaves dirt on valve periphery, is not easy to the clear of valve and box cover
It washes.
Invention content
(1) technical problems to be solved
It is of good preservation effect the technical problem to be solved in the present invention is to provide a kind of simple in structure, it is easy to operate and convenient for clear
The crisper washed.
(2) technical solution
In order to solve the above technical problems, the present invention provides a kind of crisper of good preservation effect, easy to operate, the crisper
The box cover above box body and the first sealing ring being set between box body and box cover are closed including box body, lid, is opened up on box cover
Have valve, be equipped on box cover opening or close valve valve switch, valve switch include switch press plate and one into
The switch spindle at type middle part below switch press plate, switch spindle is hinged on box cover, below one end of switch press plate one into
Type has valve plug, and valve plug is stretched into valve, and shrapnel is provided with below the other end of switch press plate, and one end of shrapnel is integrally formed
In switch spindle, the other end is connected with strut axle, and the strut axle of strut is articulated on box cover.
Wherein, the first sealing ring includes mounting ring and the upper lip edge being integrally formed on mounting ring outer ring and lower lip edge,
Along extending obliquely upward from the outer ring top of mounting ring, lower lip edge oliquely downward extends upper lip from the outer ring lower part of mounting ring, on
Lip forms groove along with lower lip between.
Wherein, the inner wall of box body is taper, and the perimeter of box body oral area is more than the perimeter of box body bottom.
Wherein, the perimeter of upper lip along outer ring is more than the perimeter of box body oral area, and lower lip is less than box body oral area along the perimeter of outer ring
Perimeter.
Wherein, strut is integrally formed on shrapnel or is hinged on shrapnel.
Wherein, integrally formed with push-pull rod between shrapnel and switch press plate.
Wherein, the junction of push-pull rod and switch press plate is provided with push-pull rod turnover slot.
Wherein, the second sealing ring is provided between valve and valve plug, the inner ring of the second sealing ring offers annular slot.
Wherein, on the inner wall of valve integrally formed with the matched first annular card column of annular slot.
Wherein, the lower section of switch press plate is integrally formed with the matched with annular slot second annular card column.
(3) advantageous effect
Compared with prior art, the present invention only need to can realize the opening and closing of valve by pressing switch press plate,
It is simple, convenient, quick；And upper and lower lip edge is set on the first sealing ring, upper and lower lip edge is made to be pull-in on box body completely
On inner wall, the effect of the external force such as buckle is eliminated, makes the uniform force of the first sealing ring, anti-impact force is stronger.
Description of the drawings
Fig. 1 is the configuration schematic diagram of of good preservation effect, the easy to operate crisper embodiment one of the present invention.
Fig. 2 is the cross-sectional view of of good preservation effect, the easy to operate crisper embodiment one of the present invention.
Fig. 3 is the A portions enlarged drawing of Fig. 2.
Fig. 4 is the structural representation of the first sealing ring of of good preservation effect, the easy to operate crisper embodiment one of the present invention
Figure.
Fig. 5 is part section structural representation when of good preservation effect, the easy to operate crisper of the present invention is closed.
Fig. 6 is part section structural representation when of good preservation effect, the easy to operate crisper of the present invention is opened.
Fig. 7 is the part section structural representation of of good preservation effect, the easy to operate crisper embodiment two of the present invention.
Fig. 8 is the part section structural representation of of good preservation effect, the easy to operate crisper embodiment three of the present invention.
Fig. 9 is the structure diagram of the box cover of of good preservation effect, the easy to operate crisper example IV of the present invention.
Figure 10 is the structural representation of the first sealing ring of of good preservation effect, the easy to operate crisper example IV of the present invention
Figure.
In figure, the first sealing rings of 1-；2- box covers；3- box bodys；4- valve switch；The second sealing rings of 5-；11- mounting rings；12-
Upper lip edge；13- lower lips edge；14- grooves；15- spacer rings；21- mounting grooves；22- valves；23- main shaft decks；24- strut axle beds；
25- mounting portions；26- wing plates；27- card slots；28- partitions；The first annular card columns of 221-；31- otic placodes；41- switch press plates；42- is opened
Close main shaft；43- valve plugs；44- shrapnels；45- struts；46- push-pull rods；411- closes press section；412- opens press section；413-
Apical ring；The annular card columns of 414- second；451- struts turnover slot；442- hinged seats；452- strut axles；461- push-pull rods turnover slot；
51- annular slots；52- gas ports；53- is blocked.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example cannot be used for limiting the scope of the invention for illustrating the present invention.
Embodiment one
The structure diagram of of good preservation effect, the easy to operate crisper of the present invention is as shown in Figure 1, its cross-section structure such as figure
Shown in 2, partial enlarged view is as shown in figure 3, the crisper includes box body 3 and covers the box cover 2 closed above box body 3, on box cover 2
Valve 22 is offered, opening is installed on box cover 2 or closes the valve switch 4 of valve 22, valve switch 4 includes switch press plate
41 and the switch spindle 42 at the middle part below switch press plate 41 is integrally formed, switch spindle 42 is hinged on box cover 2, switch pressure
Integrally formed with valve plug 43 below one end of plate 41, valve plug 43 is stretched into the valve 22.
The top of above-mentioned box cover 2 is integrally formed with main shaft deck 23, and switch spindle 42 is buckled on the main shaft deck 23, just
It is loaded and unloaded in valve switch, convenient for cleaning the gentle door switch of box cover, ensures crisper totally safety, avoid bacteria breed.
Shrapnel 44 is provided with below the other end of above-mentioned switch press plate 41, one end of the shrapnel 44 is integrally formed leads in switch
On axis 42, the other end is connected with strut 45, and the strut axle 452 of the strut 45 is articulated on box cover 2.
The top of above-mentioned box cover 2 is hinged on integrally formed with strut axle bed 24, the strut axle 452 on the strut axle bed 24,
The strut axle can be rotated around the strut axle bed.
Above-mentioned strut 45 is integrally formed on above-mentioned shrapnel 44, and the junction of the strut 45 and shrapnel 44 is provided with strut and turns
Slot 451 is rolled over, convenient for shrapnel compression, is replied.
Integrally formed with push-pull rod 46, the push-pull rod 46 and switch press plate 41 between above-mentioned shrapnel 44 and switch press plate 41
Junction is provided with push-pull rod turnover slot 461, is deformed convenient for push-pull rod, so as to compress shrapnel.
Above-mentioned shrapnel 44 can be in irregular curve shape, S shapes or other shapes, can also be set according to actual compression amount size
The shape of the shrapnel.
The intermediate formation one at the center of above-mentioned switch spindle 42, the center of strut axle 452 and strut turnover slot 451 differs
Side equilateral triangle, center to the center of strut axle 452 of switch spindle 42 is A sides, and center to the strut of switch spindle 42 is transferred
The centre of slot 451 is B sides, and centre to the center of strut axle 452 of strut turnover slot 451 is C sides, when valve is closed, A sides, B
While with forming unequal-sided equilateral triangle during C, as shown in Figure 5.
The top of the switch press plate 41, which is provided with, to be closed press section 411 and opens press section 412, closes 411 He of press section
The both ends that press section 412 is respectively arranged at switch spindle are opened, which is set to the top of valve plug 43, and
It opens press section 412 and is set to the other end far from the valve plug 43.
The second sealing ring 5 is provided between above-mentioned valve 22 and valve plug 43, the inner ring of second sealing ring 5 offers ring
Shape card slot 51.Second sealing ring is installed by the way of buckle, and dress convenient for the second sealing ring is torn open, close convenient for cleaning second
Seal and box cover, avoid bacteria breed.
On the inner wall of valve 22 integrally formed with the matched first annular card column 221 of the annular slot 51, this second
Sealing ring 5 is mounted on valve inner wall, and gas port 52 matched with valve plug is offered on the second sealing ring.
The lower section of above-mentioned switch press plate 41 is provided with apical ring 413, which is resisted against the second sealing ring 5, improves second
The sealing effect of sealing ring.
Above-mentioned second sealing ring 5 is made of flexible material.
Valve, press-started press section are opened, switch press plate drives push-pull rod turnover slot, push-pull rod to move down, so as to
Strut is driven to be rotated down around strut axle bed, and compress shrapnel, at this point, the scalene triangle changes, B sides and
Angle between C sides becomes larger, and another two angle all becomes smaller；When angle between when B is in C reaches 180 °, B during C while with being total to
Line is simultaneously overlapped with A sides, at this point, the decrement of shrapnel is maximum；When angle between when B is in C is more than 180 °, the pressure of the shrapnel
Contracting amount is related to deflection, the deflection of push-pull rod turnover slot of strut turnover slot；Make valve plug from gas until being pressed into down
It is completely disengaged in mouthful, at this point, being interlinked to the outside in box body, box cover just can be opened easily, and A is formed in, B between C sides at this time
The up-side down triangle on side, as shown in Figure 6；When decontroling switch press plate, valve plug moves, directly down under the restoring force effect of shrapnel
To the second sealing ring is resisted against, the gas port of unclosed second sealing ring of valve plug at this time.When closing valve, as long as pressing down on out
The closing press section of pressing plate is closed, valve plug is made to fill in the gas port of the second sealing ring, and squeezes the second sealing ring, makes the second sealing
Enclose it is inside and outside fit in valve wall and valve inner wall beyond the Great Wall respectively, to realize the closing of valve, during this, A is in, B and C sides
Variation just with open valve when variation it is opposite.
It is taken convenient for user integrally formed with otic placode 31 on the both sides outer wall of above-mentioned box body 3 and holds box body of preservation box.
The top of above-mentioned box cover 2 is provided with the mounting groove 21 for accommodating the valve switch 4, and valve switch is avoided to stretch out box cover
Outside, it is laminated and stores convenient for multiple crispers.
Above-mentioned box cover 2 is outward extended with wing plate 26, takes and holds convenient for user, while makes power convenient for user, opens the lid.
The first sealing ring 1 is provided between above-mentioned box body 3 and box cover 2, the inner ring of first sealing ring 1 is mounted on box cover 2
On, outer ring is fitted on the inner wall of box body 3.First sealing ring 1 includes mounting ring 11 and is integrally formed in mounting ring 11
Upper lip on outer ring along 12 and lower lip along 13, upper lip along extending obliquely upward from the outer ring top of mounting ring 11, lower lip along 13 from
The outer ring lower part of mounting ring 11 oliquely downward extends, and upper lip forms groove 14 along 12 and lower lip along between 13, and the upper lip is along under
Lip is along in " eight " set up of character patt ern；The groove 14 is arc groove.
Above-mentioned first sealing ring 1 is made of flexible material.
Above-mentioned box cover 2 has extended downwardly mounting portion 25, which stretches into above-mentioned box body 3, and above-mentioned first sealing ring 1 is pacified
On the mounting portion 25.Card slot 27 matched with the mounting ring, above-mentioned mounting ring are offered on the outer ring of the mounting portion 25
11 are installed in the card slot 27, to realize the fixed installation of the first sealing ring.
In the present embodiment, the cross section of the mounting ring 11 is circle, which is arc groove.The horizontal stroke of certain mounting ring
Section may be other shapes, as long as the shape of card slot is matched with the shape of mounting ring.
The inner wall of above-mentioned box body 3 is taper, and the perimeter of 3 oral area of box body is more than the perimeter of 3 bottom of box body, and the upper lip is along 12
Outer circumference be more than the perimeter of 3 oral area of box body, outer circumference of the lower lip along 13 is less than the perimeter of 3 oral area of box body, just
In lower lip along being easily put into box body, lower lip is avoided to influence the sealing effect of the first sealing ring along flange when being put into box body.
When lid closes box cover, the mounting portion of box cover is stretched into together with sealing ring in box body, since the outer circumference on lower lip edge is small
In the perimeter of box body oral area, make lower lip along very easily from the loading of box body oral area, but the outer circumference on upper lip edge is more than box body port
The perimeter in portion, upper lip makes the following of upper lip edge fit in inboard wall of cartridge along being flipped up around mounting ring during loading, while under driving
Lip edge is also rotated up, and inboard wall of cartridge perimeter is coordinated to gradually decrease around mounting ring, and lower lip is made also rapidly to be fitted in along top
Inboard wall of cartridge, lower lip along start downwardly turned over around mounting ring, when box cover covers conjunction completely, the following and lower lip edge on upper lip edge it is upper
Side is fitted on inboard wall of cartridge completely, is pull-in on inboard wall of cartridge just as sucker, constantly will be in box body during lid closes
Air discharged at valve, then lid close valve switch, due to the setting of the second sealing ring, force inner air and outer air cannot be from this
It is passed in and out at valve, to realize the upper and lower sealing of crisper, the first sealing ring uniform force, anti-impact force is strong, sealing effect
It is good.When opening the lid, valve need to be first opened, connects box body inner air and outer air, then power is made at wing plate to pull outward box cover, is borrowed
External force is helped to remove the first sealing ring from inboard wall of cartridge, if not opening valve first, the resistance to open the lid will become larger.
Embodiment two
As shown in fig. 7, compared with embodiment one, the difference of embodiment two is：Strut 45 is hinged on shrapnel 44,
Hinged seat 442 is offered on the shrapnel 44, which is hinged on the hinged seat 442, and the present embodiment two eliminates strut and turns
Slot is rolled over, improves strut intensity, strut turnover slot is avoided and is broken when often deforming, that improves valve switch uses the longevity
Life.
Embodiment three
As shown in figure 8, compared with embodiment one, embodiment two, the difference of the embodiment three is：Above-mentioned second sealing
Circle 5 is mounted on the switch press plate 41, and the lower section of the switch press plate 41 is integrally formed with the annular slot 51 with the second sealing ring 5
Matched second annular card column 414, second sealing ring 5 are installed in the second annular card column 414, to realize that this is second close
The fixed installation of seal 5；Second sealing ring 5 has extended downwardly blocking 53, which is inserted into above-mentioned valve 22, closes gas
Men Shi is blocked and is inserted into valve, and squeezes valve inner wall, to realize the sealed connection of the second sealing ring.
Above-mentioned 53 middle part of blocking offers counterbore, convenient for blocking because extruding deforms, blocking is made to fit in valve completely
Inner wall.
Example IV
As shown in Figure 9 and Figure 10, compared with implementing one, the difference of the example IV is the example IV：This implementation
Mounting ring 11 in example is U-shaped, and inner ring is arc, and the middle part of the mounting ring 11 offers spacer ring 15, makes 11 shape of mounting ring
Into double-deck mounting ring, in above-mentioned card slot 27 integrally formed with the 15 matched partition 28 of spacer ring, which is installed on this
In spacer ring 15, the location and installation of the first sealing ring is further realized, and play the role of supporting the first sealing ring.
In the present embodiment, above-mentioned spacer ring 15 is arc groove, naturally it is also possible to be the groove of other shapes.
It these are only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
It says, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of crisper of good preservation effect, easy to operate, it is characterised in that：The crisper includes box body (3), Gai He
Box cover (2) above the box body (3) and the first sealing ring being set between the box body (3) and the box cover (2)
(1), valve (22) is offered on the box cover (2), opening is installed on the box cover (2) or closes the valve (22)
Valve switch (4), the valve switch (4) is including switch press plate (41) and is integrally formed below the switch press plate (41)
The switch spindle (42) at middle part, the switch spindle (42) are hinged on the box cover (2), one end of the switch press plate (41)
Lower section is integrally formed with valve plug (43), and the valve plug (43) is stretched into the valve (22), the switch press plate (41)
Shrapnel (44) is provided with below the other end, one end of the shrapnel (44) is integrally formed in the switch spindle (42), another
End is connected with strut (45), and the strut axle (452) of the strut is articulated on the box cover (2).
2. crisper of good preservation effect, easy to operate according to claim 1, it is characterised in that：First sealing
It encloses (1) and includes mounting ring (11) and the upper lip being integrally formed on the mounting ring (11) outer ring edge (12) and lower lip edge
(13), the upper lip extends obliquely upward along (12) from the outer ring top of the mounting ring (11), and the lower lip is along (13) from institute
The outer ring lower part for stating mounting ring (11) oliquely downward extends, and the upper lip forms groove along (12) and the lower lip along between (13)
(14)。
3. crisper of good preservation effect, easy to operate according to claim 2, it is characterised in that：The box body (3)
Inner wall is taper, and the perimeter of box body (3) oral area is more than the perimeter of box body (3) bottom.
4. crisper of good preservation effect, easy to operate according to claim 3, it is characterised in that：The upper lip edge
(12) perimeter of outer ring is more than the perimeter of the box body (3) oral area, and the lower lip is less than the box body along the perimeter of (13) outer ring
(3) perimeter of oral area.
5. crisper of good preservation effect, easy to operate according to claim 1, it is characterised in that：The strut (45)
It is integrally formed on the shrapnel (44) or is hinged on the shrapnel (44).
6. crisper of good preservation effect, easy to operate according to claim 1, it is characterised in that：The shrapnel (44)
Integrally formed with push-pull rod (46) between the switch press plate (41).
7. crisper of good preservation effect, easy to operate according to claim 6, it is characterised in that：The push-pull rod
(46) push-pull rod turnover slot (461) is provided with the junction of the switch press plate (41).
8. crisper of good preservation effect, easy to operate according to claim 1, it is characterised in that：The valve (22)
The second sealing ring (5) is provided between the valve plug (43), the inner ring of second sealing ring (5) offers annular slot
(51)。
9. crisper of good preservation effect, easy to operate according to claim 8, it is characterised in that：The valve (22)
Inner wall on integrally formed with the matched first annular card column (221) of the annular slot (51).
10. crisper of good preservation effect, easy to operate according to claim 8, it is characterised in that：The switch press plate
(41) lower section is integrally formed with the matched with the annular slot (51) second annular card column (414).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240889.9A CN108263746B (en) | 2018-03-22 | 2018-03-22 | Fresh-keeping box with good fresh-keeping effect and convenient operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810240889.9A CN108263746B (en) | 2018-03-22 | 2018-03-22 | Fresh-keeping box with good fresh-keeping effect and convenient operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108263746A true CN108263746A (en) | 2018-07-10 |
| CN108263746B CN108263746B (en) | 2023-12-26 |
Family
ID=62775311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810240889.9A Active CN108263746B (en) | 2018-03-22 | 2018-03-22 | Fresh-keeping box with good fresh-keeping effect and convenient operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108263746B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI802296B (en) * | 2021-02-25 | 2023-05-11 | 香港商敘事有限公司 | Containers with removable opening closures and seals |
| US20230373695A1 (en) * | 2023-08-07 | 2023-11-23 | Genicook Product, Llc | Tank cover with pressure balance valve and storage tank having same |
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| CN202030146U (en) * | 2011-04-07 | 2011-11-09 | 王文程 | Exhaust hole seesaw type preservation box |
| CN202897173U (en) * | 2012-11-01 | 2013-04-24 | 佛山市三水合成电器实业有限公司 | Vacuum airtight box |
| CN106144179A (en) * | 2015-05-15 | 2016-11-23 | 鲁勃梅特公司 | Aerofluxus can store container and using method |
| WO2017028101A1 (en) * | 2015-08-16 | 2017-02-23 | 陈学良 | Portable meal box and use method therefor |
| JP3206024U (en) * | 2016-06-16 | 2016-08-25 | 立安 呂 | Vacuum freshness maintenance box cover |
| CN207046043U (en) * | 2017-06-20 | 2018-02-27 | 常州百斯福模塑股份有限公司 | The negative pressure bacteriostasis, preservation box and fresh-keeping box cover being adaptively open |
| CN208037075U (en) * | 2018-03-22 | 2018-11-02 | 宁波市海曙华宇工贸有限公司 | A kind of crisper of good preservation effect, easy to operate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI802296B (en) * | 2021-02-25 | 2023-05-11 | 香港商敘事有限公司 | Containers with removable opening closures and seals |
| US20230373695A1 (en) * | 2023-08-07 | 2023-11-23 | Genicook Product, Llc | Tank cover with pressure balance valve and storage tank having same |
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| CN108263746B (en) | 2023-12-26 |
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