CN108263746B - Fresh-keeping box with good fresh-keeping effect and convenient operation - Google Patents
Fresh-keeping box with good fresh-keeping effect and convenient operation Download PDFInfo
- Publication number
- CN108263746B CN108263746B CN201810240889.9A CN201810240889A CN108263746B CN 108263746 B CN108263746 B CN 108263746B CN 201810240889 A CN201810240889 A CN 201810240889A CN 108263746 B CN108263746 B CN 108263746B
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- Prior art keywords
- box
- switch
- box body
- pressing plate
- lip edge
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- 230000000694 effects Effects 0.000 title claims abstract description 31
- 238000007789 sealing Methods 0.000 claims abstract description 55
- 238000004321 preservation Methods 0.000 claims abstract description 48
- 238000009434 installation Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
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- 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
Abstract
The invention discloses a preservation box with good preservation effect and convenient operation, which comprises a box body, a box cover covered above the box body and a first sealing ring arranged between the box body and the box cover, wherein a valve is arranged on the box cover, a valve switch for opening or closing the valve is arranged on the box cover, the valve switch comprises a switch pressing plate and a switch main shaft integrally formed in the middle part below the switch pressing plate, the switch main shaft is hinged on the box cover, a valve plug is integrally formed below one end of the switch pressing plate and extends into the valve, a spring piece is arranged below the other end of the switch pressing plate, one end of the spring piece is integrally formed on the switch main shaft, the other end of the spring piece is connected with a support rod shaft, and the support rod shaft of the support rod is hinged on the box cover. The valve can be opened and closed only by pressing the switch pressing plate, and the operation is simple; and the upper lip edge and the lower lip edge are arranged on the first sealing ring, so that the upper lip edge and the lower lip edge are completely sucked on the inner wall of the box body, the stress of the first sealing ring is uniform, and the impact resistance is stronger.
Description
Technical Field
The invention relates to the technical field of preservation boxes, in particular to a preservation box with good preservation effect and convenient operation.
Background
With the common use of refrigerators and microwave ovens, food is convenient to preserve and heat, and when food is stored and carried, a fresh-keeping box is required to be sealed. The working principle of the preservation box is that food to be preserved is isolated from the outside air through the preservation box, so that the food is kept fresh.
The fresh-keeping boxes on the market at present are of various types, and besides the prior boxes which can only be used as general containers and cannot be sealed, two types of boxes which are used for sealing are more commonly used at present: a soft sealing gasket is clamped between a box body and a box cover, a plurality of buckles are arranged on the box cover, the edges of the box body are buckled by the buckles, so that the sealing gasket is pressurized and sealed, the opening and closing operation of the preservation box with the structure is complicated and laborious, deformation can be caused by uneven stress on the box cover, the sealing effect is poor, the sealing effect of the preservation box can be seriously influenced if a buckle device is damaged, and the situation that the stress of a sealing ring is uneven easily occurs, so that the sealing effect of the sealing ring can be seriously influenced; the other is that a circle of soft sheet which is larger than the upper opening of the box body is arranged on the outer ring below the box cover, the outer edge of the soft sheet is folded and deformed after the box cover is buckled into the box body, the soft sheet is attached to the inner wall of the box body to achieve sealing, air compression exists when the box cover and the box body are buckled, negative pressure is generated in the box when the box cover is opened, a swing cover type air valve is arranged on the box cover, manual operation is needed for opening and closing the air valve, the operation is complex, the swing cover type air valve is difficult to detach from the box cover, dirty objects are easily left on the periphery of the air valve, and the cleaning of the air valve and the box cover is inconvenient.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to solve the technical problem of providing the preservation box which is simple in structure, good in preservation effect, convenient to operate and convenient to clean.
(II) technical scheme
In order to solve the technical problems, the invention provides a preservation box with good preservation effect and convenient operation, which comprises a box body, a box cover covered above the box body and a first sealing ring arranged between the box body and the box cover, wherein an air valve is arranged on the box cover, an air valve switch for opening or closing the air valve is arranged on the box cover, the air valve switch comprises a switch pressing plate and a switch main shaft integrally formed in the middle part below the switch pressing plate, the switch main shaft is hinged on the box cover, an air valve plug is integrally formed below one end of the switch pressing plate and extends into the air valve, an elastic piece is arranged below the other end of the switch pressing plate, one end of the elastic piece is integrally formed on the switch main shaft, the other end of the elastic piece is connected with a supporting rod shaft, and the supporting rod shaft of the supporting rod is hinged on the box cover.
The first sealing ring comprises a mounting ring, an upper lip edge and a lower lip edge, wherein the upper lip edge and the lower lip edge are integrally formed on the outer ring of the mounting ring, the upper lip edge extends obliquely upwards from the upper part of the outer ring of the mounting ring, the lower lip edge extends obliquely downwards from the lower part of the outer ring of the mounting ring, and a groove is formed between the upper lip edge and the lower lip edge.
Wherein, the inner wall of box body is the toper, and the girth of box body oral area is greater than the girth of box body bottom.
The circumference of the upper lip along the outer ring is larger than that of the opening of the box body, and the circumference of the lower lip along the outer ring is smaller than that of the opening of the box body.
Wherein, the stay bar integrated into one piece is on the shell fragment or articulated on the shell fragment.
Wherein, a push-pull rod is integrally formed between the spring plate and the switch pressing plate.
Wherein, the connection part of the push-pull rod and the switch pressing plate is provided with a push-pull rod turning groove.
And a second sealing ring is arranged between the air valve and the air valve plug, and an annular clamping groove is formed in the inner ring of the second sealing ring.
Wherein, integrated into one piece has the first annular card post with annular draw-in groove matched with on the inner wall of valve.
Wherein, the below integrated into one piece of switch clamp plate has the second annular card post with annular draw-in groove matched with.
(III) beneficial effects
Compared with the prior art, the valve can be opened and closed only by pressing the switch pressing plate, and the operation is simple, convenient and quick; and set up upper and lower lip edge on first sealing washer, make upper and lower lip edge completely the actuation on the box body inner wall, saved external force effects such as buckle, make the atress of first sealing washer even, impact resistance is stronger.
Drawings
Fig. 1 is a schematic diagram of an exploded structure of a first embodiment of the preservation box of the present invention with good preservation effect and convenient operation.
Fig. 2 is a schematic cross-sectional structure of a first embodiment of a preservation box with good preservation effect and convenient operation.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is a schematic structural view of a first seal ring of a first embodiment of the preservation box with good preservation effect and convenient operation.
Fig. 5 is a schematic view of a partial cross-sectional structure of the fresh-keeping box with good fresh-keeping effect and convenient operation when closed.
Fig. 6 is a schematic view of a partial sectional structure of the fresh-keeping box with good fresh-keeping effect and convenient operation when opened.
Fig. 7 is a schematic view of a partial cross-sectional structure of a second embodiment of a preservation box with good preservation effect and convenient operation according to the present invention.
Fig. 8 is a schematic view of a partial cross-sectional structure of a third embodiment of a preservation box with good preservation effect and convenient operation according to the present invention.
Fig. 9 is a schematic structural view of a box cover of a fourth embodiment of the preservation box with good preservation effect and convenient operation.
Fig. 10 is a schematic structural view of a first seal ring of a fourth embodiment of the preservation box with good preservation effect and convenient operation.
In the figure, 1-a first sealing ring; 2-a box cover; 3-a box body; 4-valve opening and closing; 5-a second sealing ring; 11-a mounting ring; 12-upper lip edge; 13-lower lip edge; 14-grooves; 15-spacer rings; 21-a mounting groove; 22-valve; 23-a main shaft clamping seat; 24-a supporting rod shaft seat; 25-mounting part; 26-wing plates; 27-clamping grooves; 28-spacers; 221-a first annular clamping column; 31-ear plate; 41-a switch pressing plate; 42-switching a main shaft; 43-valve plug; 44-shrapnel; 45-stay bars; 46-a push-pull rod; 411-closing the pressing part; 412-opening the pressing portion; 413-a top ring; 414-a second annular clamping column; 451-stay bar turning grooves; 442-hinge base; 452-strut shaft; 461-a push-pull rod turning groove; 51-an annular clamping groove; 52-an air port; 53-occlusion.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
Example 1
The structure schematic diagram of the preservation box with good preservation effect and convenient operation is shown in fig. 1, the cross-section structure is shown in fig. 2, the partial enlarged view is shown in fig. 3, the preservation box comprises a box body 3 and a box cover 2 covered above the box body 3, a valve 22 is arranged on the box cover 2, a valve switch 4 for opening or closing the valve 22 is arranged on the box cover 2, the valve switch 4 comprises a switch pressing plate 41 and a switch main shaft 42 integrally formed in the middle part below the switch pressing plate 41, the switch main shaft 42 is hinged on the box cover 2, a valve plug 43 is integrally formed below one end of the switch pressing plate 41, and the valve plug 43 extends into the valve 22.
The main shaft clamping seat 23 is integrally formed above the box cover 2, the switch main shaft 42 is buckled on the main shaft clamping seat 23, so that the valve switch is convenient to assemble and disassemble, the box cover and the valve switch are convenient to clean, the fresh-keeping box is ensured to be clean and safe, and bacterial breeding is avoided.
A spring plate 44 is disposed below the other end of the switch pressing plate 41, one end of the spring plate 44 is integrally formed on the switch main shaft 42, the other end is connected with a stay 45, and a stay shaft 452 of the stay 45 is hinged on the box cover 2.
A brace shaft seat 24 is integrally formed above the box cover 2, the brace shaft 452 is hinged to the brace shaft seat 24, and the brace shaft can rotate around the brace shaft seat.
The stay bar 45 is integrally formed on the elastic sheet 44, and a stay bar turning groove 451 is provided at the joint of the stay bar 45 and the elastic sheet 44, so as to facilitate compression and recovery of the elastic sheet.
A push-pull rod 46 is integrally formed between the elastic sheet 44 and the switch pressing plate 41, and a push-pull rod turning groove 461 is arranged at the joint of the push-pull rod 46 and the switch pressing plate 41, so that the push-pull rod is convenient to deform, and the elastic sheet is compressed.
The spring 44 may have an irregular curve, an S-shape, or other shapes, or may be configured according to the actual compression amount.
The center of the switch main shaft 42, the center of the stay shaft 452 and the center of the stay turning groove 451 form an equilateral triangle, the center of the switch main shaft 42 to the center of the stay shaft 452 is an a side, the center of the switch main shaft 42 to the center of the stay turning groove 451 is a B side, the center of the stay turning groove 451 to the center of the stay shaft 452 is a C side, and when the valve is closed, the a side, the B side and the C side form an equilateral triangle, as shown in fig. 5.
The upper part of the switch pressing plate 41 is provided with a closing pressing part 411 and an opening pressing part 412, the closing pressing part 411 and the opening pressing part 412 are respectively arranged at two ends of the switch main shaft, the closing pressing part 411 is arranged above the valve plug 43, and the opening pressing part 412 is arranged at the other end far from the valve plug 43.
A second sealing ring 5 is disposed between the valve 22 and the valve plug 43, and an annular clamping groove 51 is formed in an inner ring of the second sealing ring 5. This second sealing washer adopts the mode installation of buckle, and the second sealing washer of being convenient for installs, removes, is convenient for wash second sealing washer and lid, avoids the bacterium to breed.
The inner wall of the air valve 22 is integrally formed with a first annular clamping column 221 matched with the annular clamping groove 51, the second sealing ring 5 is arranged on the inner wall of the air valve, and an air port 52 matched with the air valve plug is formed on the second sealing ring.
A top ring 413 is disposed below the switch pressing plate 41, and the top ring 413 abuts against the second seal ring 5, thereby improving the sealing effect of the second seal ring.
The second seal ring 5 is made of a soft material.
Opening the valve, pressing the opening pressing part, and driving the push-pull rod turning groove and the push-pull rod to move downwards by the opening pressing plate, so as to drive the supporting rod to rotate downwards around the supporting rod shaft seat and compress the elastic sheet, at the moment, the unequal triangle changes, the included angle between the B side and the C side is increased, and the other two included angles are both decreased; when the included angle between the B side and the C side reaches 180 degrees, the B side and the C side are collinear and coincide with the A side, and at the moment, the compression amount of the elastic sheet is maximum; when the included angle between the B side and the C side is larger than 180 degrees, the compression amount of the elastic sheet is related to the deformation amount of the stay bar turning groove and the deformation amount of the push-pull bar turning groove; until the valve plug is completely separated from the air port by being pressed downwards, at the moment, the inside and outside of the box body are communicated, the box cover can be easily opened, and at the moment, an inverted triangle with unequal sides is formed among the side A, the side B and the side C, as shown in figure 6; when the switch pressing plate is released, the valve plug moves downwards under the action of the restoring force of the elastic sheet until the valve plug abuts against the second sealing ring, and at the moment, the valve plug does not seal the air port of the second sealing ring. When the valve is closed, the closing pressing part of the switch pressing plate is pressed downwards, so that the valve plug is plugged into the air port of the second sealing ring, the second sealing ring is extruded, the inner side and the outer side of the second sealing ring are respectively attached to the outer wall of the valve plug and the inner wall of the valve, and the closing of the valve is realized.
The outer walls of the two sides of the box body 3 are uniformly provided with the ear plates 31, so that a user can hold the fresh-keeping box body conveniently.
The mounting groove 21 for accommodating the valve switch 4 is arranged above the box cover 2, so that the valve switch is prevented from extending out of the box cover, and a plurality of preservation boxes can be stacked and stored conveniently.
The lid 2 has a wing plate 26 extending outward, which is convenient for a user to hold and to open the lid.
A first sealing ring 1 is arranged between the box body 3 and the box cover 2, an inner ring of the first sealing ring 1 is arranged on the box cover 2, and an outer ring of the first sealing ring is attached to the inner wall of the box body 3. The first sealing ring 1 comprises a mounting ring 11 and an upper lip edge 12 and a lower lip edge 13 which are integrally formed on the outer ring of the mounting ring 11, wherein the upper lip edge extends obliquely upwards from the upper part of the outer ring of the mounting ring 11, the lower lip edge 13 extends obliquely downwards from the lower part of the outer ring of the mounting ring 11, a groove 14 is formed between the upper lip edge 12 and the lower lip edge 13, and the upper lip edge and the lower lip edge are arranged in an eight shape; the recess 14 is an arcuate recess.
The first seal ring 1 is made of a soft material.
The box cover 2 extends downward to form a mounting portion 25 which extends into the box body 3, and the first seal ring 1 is mounted on the mounting portion 25. The outer ring of the mounting portion 25 is provided with a clamping groove 27 matched with the mounting ring, and the mounting ring 11 is clamped in the clamping groove 27 to realize the fixed mounting of the first sealing ring.
In this embodiment, the cross section of the mounting ring 11 is circular, and the clamping groove 27 is an arc groove. Of course, the cross section of the mounting ring can be in other shapes, as long as the shape of the clamping groove is matched with the shape of the mounting ring.
The inner wall of the box body 3 is conical, the circumference of the opening of the box body 3 is larger than the circumference of the bottom of the box body 3, the circumference of the outer ring of the upper lip edge 12 is larger than the circumference of the opening of the box body 3, the circumference of the outer ring of the lower lip edge 13 is smaller than the circumference of the opening of the box body 3, the lower lip edge is convenient to be easily placed into the box body, and the sealing effect of the first sealing ring is prevented from being influenced by flanging when the lower lip edge is placed into the box body.
When the box cover is covered, the mounting part of the box cover and the sealing ring extend into the box body, the circumference of the outer ring of the lower lip edge is smaller than that of the opening of the box body, so that the lower lip edge is easily arranged in the opening of the box body, but the circumference of the outer ring of the upper lip edge is larger than that of the opening of the box body, when the box cover is completely covered, the upper lip edge is upwards turned around the mounting ring, the lower edge of the upper lip edge is enabled to be attached to the inner wall of the box body, the lower lip edge is enabled to be quickly attached to the inner wall of the box body and downwards turned around the mounting ring, when the box cover is completely covered, the lower edge of the upper lip edge and the upper edge of the lower lip edge are completely attached to the inner wall of the box body just like a sucker, in the covering process, air in the box body is continuously discharged from the air valve, then the air valve is covered, and the inner and outer air is enabled not to enter and exit from the air valve due to the arrangement of the second sealing ring, so that the upper edge and the inner edge and the outer edge of the air valve are enabled to be in and out of the air valve. When the box cover is opened, the air valve is required to be opened firstly, so that the inside and outside of the box body are communicated, then the box cover is pulled outwards by force from the wing plate, the first sealing ring is peeled off from the inner wall of the box body by means of external force, and if the air valve is not opened firstly, the resistance for opening the box cover is increased.
Example two
As shown in fig. 7, the second embodiment differs from the first embodiment in that: the stay bar 45 is hinged on the elastic sheet 44, the elastic sheet 44 is provided with a hinge seat 442, the stay bar 45 is hinged on the hinge seat 442, the stay bar turning groove is omitted in the second embodiment, the strength of the stay bar is improved, the stay bar turning groove is prevented from being broken due to frequent deformation, and the service life of the valve switch is prolonged.
Example III
As shown in fig. 8, the third embodiment differs from the first and second embodiments in that: the second sealing ring 5 is mounted on the switch pressing plate 41, a second annular clamping column 414 matched with the annular clamping groove 51 of the second sealing ring 5 is integrally formed below the switch pressing plate 41, and the second sealing ring 5 is clamped on the second annular clamping column 414 so as to realize the fixed mounting of the second sealing ring 5; the second seal ring 5 extends downwards to form a plug 53, and the plug 53 is inserted into the valve 22, and when the valve is closed, the plug is inserted into the valve and presses the inner wall of the valve to realize the sealing connection of the second seal ring.
The middle part of the plug 53 is provided with a counter bore, so that the plug is convenient to deform due to extrusion, and the plug is completely attached to the inner wall of the valve.
Example IV
As shown in fig. 9 and 10, the fourth embodiment differs from the first embodiment in that: the installation ring 11 in this embodiment is a U-shaped, the inner ring is arc-shaped, the middle part of the installation ring 11 is provided with a spacer ring 15, so that the installation ring 11 forms a double-layer installation ring, the clamping groove 27 is internally provided with a spacer 28 matched with the spacer ring 15, the spacer 28 is clamped in the spacer ring 15, the positioning installation of the first sealing ring is further realized, and the function of supporting the first sealing ring is played.
In this embodiment, the spacer ring 15 is an arc-shaped groove, and may be a groove with other shapes.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (9)
1. The utility model provides a fresh-keeping box that fresh-keeping effect is good, convenient operation, its characterized in that: the preservation box comprises a box body (3), a box cover (2) and a first sealing ring (1), wherein the box cover (2) is covered on the box body (3), the first sealing ring (1) is arranged between the box body (3) and the box cover (2), an air valve (22) is arranged on the box cover (2), an air valve switch (4) for opening or closing the air valve (22) is arranged on the box cover (2), the air valve switch (4) comprises a switch pressing plate (41) and a switch main shaft (42) which is integrally formed in the middle of the lower part of the switch pressing plate (41), the switch main shaft (42) is hinged on the box cover (2), an air valve plug (43) is integrally formed below one end of the switch pressing plate (41), an elastic sheet (44) is arranged below the other end of the switch pressing plate (41), one end of the elastic sheet (44) is integrally formed on the switch main shaft (42), the other end of the elastic sheet is connected with a supporting rod (45), and the supporting rod (452) of the supporting rod is hinged on the box cover (2), and the supporting rod (45) is connected with a turning groove (451); a push-pull rod (46) is integrally formed between the elastic sheet (44) and the switch pressing plate (41); the center of the switch main shaft (42), the center of the stay rod shaft (452) and the center of the stay rod turning groove (451) form an equilateral triangle.
2. The preservation box with good preservation effect and convenient operation according to claim 1, which is characterized in that: the first sealing ring (1) comprises a mounting ring (11) and an upper lip edge (12) and a lower lip edge (13) which are integrally formed on the outer ring of the mounting ring (11), wherein the upper lip edge (12) extends obliquely upwards from the upper part of the outer ring of the mounting ring (11), the lower lip edge (13) extends obliquely downwards from the lower part of the outer ring of the mounting ring (11), and a groove (14) is formed between the upper lip edge (12) and the lower lip edge (13).
3. The preservation box with good preservation effect and convenient operation according to claim 2, which is characterized in that: the inner wall of the box body (3) is conical, and the circumference of the opening of the box body (3) is larger than that of the bottom of the box body (3).
4. The preservation box with good preservation effect and convenient operation according to claim 3, which is characterized in that: the circumference of the outer ring of the upper lip edge (12) is larger than the circumference of the opening of the box body (3), and the circumference of the outer ring of the lower lip edge (13) is smaller than the circumference of the opening of the box body (3).
5. The preservation box with good preservation effect and convenient operation according to claim 1, which is characterized in that: the stay bar (45) is integrally formed on the elastic sheet (44) or hinged on the elastic sheet (44).
6. The preservation box with good preservation effect and convenient operation according to claim 1, which is characterized in that: a push-pull rod turning groove (461) is arranged at the joint of the push-pull rod (46) and the switch pressing plate (41).
7. The preservation box with good preservation effect and convenient operation according to claim 1, which is characterized in that: a second sealing ring (5) is arranged between the air valve (22) and the air valve plug (43), and an annular clamping groove (51) is formed in the inner ring of the second sealing ring (5).
8. The preservation box with good preservation effect and convenient operation according to claim 7, which is characterized in that: the inner wall of the air valve (22) is integrally formed with a first annular clamping column (221) matched with the annular clamping groove (51).
9. The preservation box with good preservation effect and convenient operation according to claim 7, which is characterized in that: and a second annular clamping column (414) matched with the annular clamping groove (51) is integrally formed below the switch pressing plate (41).
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 CN108263746A (en) | 2018-07-10 |
| CN108263746B true CN108263746B (en) | 2023-12-26 |
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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 |
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| Country | Link |
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| CN (1) | CN108263746B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114955209A (en) * | 2021-02-25 | 2022-08-30 | 叙事有限公司 | Bag-type container with removable opening closure and sealing means |
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| CN108263746A (en) | 2018-07-10 |
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