CN208790285U - A kind of push type heat preserving antistaling Vacuum lunch box - Google Patents
A kind of push type heat preserving antistaling Vacuum lunch box Download PDFInfo
- Publication number
- CN208790285U CN208790285U CN201821268139.4U CN201821268139U CN208790285U CN 208790285 U CN208790285 U CN 208790285U CN 201821268139 U CN201821268139 U CN 201821268139U CN 208790285 U CN208790285 U CN 208790285U
- Authority
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- China
- Prior art keywords
- button
- air inlet
- detent gear
- seat
- push type
- 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
- 238000005086 pumping Methods 0.000 claims abstract description 53
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 61
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 238000010943 off-gassing Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 235000013305 food Nutrition 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000013011 mating Effects 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The utility model discloses a kind of push type heat preserving antistaling Vacuum lunch boxs, including box body and box cover, box cover lid is located at the top of box body, box cover is equipped with push type vacuum evacuation device, push type vacuum evacuation device includes pumping button, sealing retainer ring, button plunger seat, the first push piece joint, the first spring, detent gear member, detent gear groove seat and gasket seal, air, which can gradually be discharged, after continuous several times press lower pumping button, in box makes in box in vacuum state.In addition, being additionally provided with air inlet vacuum breaking device on box cover.The utility model has the advantages of simple structure, it can be completed using pressing mode and vacuumize operation, make to form vacuum state in lunch box, it effectively prevent outside air to enter in Vacuum lunch box, to ensure that the fresh-keeping effect of Vacuum lunch box, slows down the oxidation process of food, achieve the purpose that extend fresh keeping time, easy to use and carry without mating external vaccum-pumping equipment, it is good with fresh-keeping heat insulation effect to vacuumize.
Description
Technical field
The utility model relates to antistaling container technical fields, are that be related to a kind of push type heat preserving antistaling true more specifically
Empty lunch box.
Background technique
Traditional Fresh-keeping mess tin is typically provided with box body and box cover, is sealed box body to obstruct inside and outside box body by box cover
Air, to achieve the purpose that fresh-keeping.Although however, the air inside and outside the box body of traditional Fresh-keeping mess tin does not circulate mutually,
Can all there be air in box body, the oxygen in air has oxidation to the intracorporal food of box, so that the fresh-keeping of food is influenced,
Fresh keeping time is limited.
With the development of society and the progress of science and technology, also occur some vacuum freshness retaining lunch boxes currently on the market, when in use
Mating vaccum-pumping equipment (such as pump bowl) is needed to complete the step of vacuumizing, vaccum-pumping equipment is brought very using and carry
It is mostly inconvenient, and when vaccum-pumping equipment damage, then cause Fresh-keeping mess tin that cannot complete vacuum step, causes Fresh-keeping mess tin cannot
Play preservation.
Utility model content
The purpose of the utility model is to overcome drawbacks described above in the prior art, provide a kind of structure it is simple, using and
It is easy to carry, vacuumize the push type heat preserving antistaling Vacuum lunch box good with fresh-keeping heat insulation effect.
To achieve the above object, the utility model provides a kind of push type heat preserving antistaling Vacuum lunch box, including box body and
Box cover, the box cover lid are located at the top of box body, and the box cover includes upper cover and upper cover seal washer, the upper cover seal washer
It is installed at the cover rim position of upper cover and can be touched with the side edge of box body to realize sealing, the box cover also has push type
Vacuum evacuation device, the push type vacuum evacuation device include pumping button, sealing retainer ring, button plunger seat, the sealing of the first button
Circle, the first spring, detent gear member, detent gear groove seat and gasket seal form the button being recessed inwardly on the upper lid
Cavity is installed, offers aspirating hole among the bottom of the button installation cavity, the sealing retainer ring is fixed on button installation cavity
At the top opening position of body, the inner ring of the sealing retainer ring is equipped with for limiting with the outer wall upper end of postrotational button plunger seat
The sliding seat locking detent of position cooperation, the button plunger seat are movably arranged on the inside of button installation cavity, first bullet
Spring is installed between button plunger seat and button installation cavity, and the upper-end part of driving of the button plunger seat is pierced by sealing retainer ring
Heart through-hole is connected with pumping button, and gas vent is offered at the top of the button plunger seat, and the inside of the pumping button is opened
Equipped with being connected with the gas vent of button plunger seat and leading to external air discharge duct, the inner tip of the button plunger seat is equipped with
The detent gear auxiliary section matched with detent gear member, the outer wall lower end of the button plunger seat be equipped with for sealing retainer ring
The defining flange of cooperation is limited, first push piece joint is set on the outer wall of button plunger seat and can install with button
The inner wall of cavity is in contact to realize sealing, and the detent gear groove seat is fixed on the inner bottom of button installation cavity,
The detent gear member be installed in the inside of detent gear groove seat and be located at button plunger seat detent gear auxiliary section just under
Side, the detent gear member can only be moved up and down relative to detent gear groove seat, the top detent end energy of the detent gear member
The top of detent gear groove seat is enough stretched out, the outer wall of the detent gear groove seat offers several groove seat ventholes, described close
Gasket is movably arranged on the inside of detent gear groove seat and is located at the lower section of detent gear member and the pumping of button installation cavity
Between above hole, the edge of the gasket seal, which runs through, several gasket ventholes.
As preferred embodiment, pumping shield, the pumping shield are connected on the outer wall of the button installation cavity
The pumping air inlet for being connected to tray interior and being evacuated inside shield is offered on the inner wall of cover.
As preferred embodiment, the detent gear member runs through up and down air duct, the detent gear member
Outer wall is equipped with longitudinally guiding raised line, offers longitudinally guiding slot, the detent gear on the inner wall of the detent gear groove seat
The longitudinally guiding raised line of part is inserted in corresponding longitudinally guiding slot, can only be relative to detent gear grooved to limit detent gear member
Seat moves up and down, and the bottom of the detent gear groove seat offers fixed card slot, and the inner bottom of the button installation cavity is set
There is fixed fixture block, the fixed card slot of the detent gear groove seat is inserted on corresponding fixed fixture block, to make the detent tooth
Wheel groove seat is fixed on the inner bottom of button installation cavity.
As preferred embodiment, spinner slot is offered on the inner wall of the pumping button, the button plunger seat
Outer wall upper end is equipped with spinner block, and the spinner block of the button plunger seat snaps onto the spinner slot of pumping button.
As preferred embodiment, the box cover also has air inlet vacuum breaking device, the air inlet vacuum breaking device packet
Air inlet button, second spring and the second push piece joint are included, the upper lid is equipped with air inlet button installation passage, and the air inlet is pressed
Button and second spring are inserted into air inlet button installation passage after being set in together, the lower end of the air inlet button be pierced by air inlet by
It is connected after the lower ending opening of button installation passage with the second push piece joint, second push piece joint can block up under normal conditions
The firmly lower ending opening of air inlet button installation passage, when air inlet button is pressed, second push piece joint can far from into
The lower ending opening of gas button installation passage, to open the lower ending opening of air inlet button installation passage.
As preferred embodiment, be connected with air inlet shield on the outer wall of the air inlet button installation passage, it is described into
The outgassing groove for being connected to inside tray interior and air inlet shield, the outer wall of the air inlet button are offered on the inner wall of gas shield
On offer longitudinal air inlet duct above the second push piece joint.
As preferred embodiment, the inside of the upper cover is installed with inner cover plate, fills between the upper cover and inner cover plate
Equipped with upper cover heat-preservation cotton.
As preferred embodiment, the first thermal-insulating sealing washer, the second guarantor are installed between the upper cover and inner cover plate
Warm seal washer and third thermal-insulating sealing washer, the first thermal-insulating sealing washer is located at the marginal position of inner cover plate, described
Second thermal-insulating sealing washer is located at the periphery of push type vacuum evacuation device, and the third thermal-insulating sealing washer is located at air inlet vacuum breaker
The periphery of device.
As preferred embodiment, the box body includes the stainless steel double-layer inner containers that plastic shell is vacuumized with inside,
The stainless steel double-layer inner containers are installed in the inside of plastic shell.
As preferred embodiment, box body heat insulation is also installed between the plastic shell and stainless steel double-layer inner containers
Cotton.
Compared with prior art, the utility model has the beneficial effects that:
The utility model has the advantages of simple structure, can be completed using pressing mode and vacuumizes operation, makes to form vacuum in lunch box
State effectively prevent outside air to enter in Vacuum lunch box, to ensure that the fresh-keeping effect of Vacuum lunch box, slows down food
Oxidation process achievees the purpose that extend fresh keeping time, easy to use and carry without mating external vaccum-pumping equipment, takes out true
Empty and fresh-keeping heat insulation effect is good.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of push type heat preserving antistaling Vacuum lunch box provided by the utility model；
Fig. 2 is the sectional view of push type heat preserving antistaling Vacuum lunch box provided by the utility model；
Fig. 3 is the exploded view of box body provided by the utility model；
Fig. 4 is the exploded view of box cover provided by the utility model；
Fig. 5 is the profile of push type vacuum evacuation device provided by the utility model (in the state of bouncing)；
Fig. 6 is the profile of push type vacuum evacuation device provided by the utility model (in down state)；
Fig. 7 is the bottom substance schematic diagram of box cover provided by the utility model；
Fig. 8 is the enlarged drawing of button installation cavity and air inlet button installation passage provided by the utility model；
Fig. 9 is pumping button provided by the utility model and the structural schematic diagram for sealing retainer ring；
Figure 10 is the structural schematic diagram one of button plunger seat provided by the utility model；
Figure 11 is the structural schematic diagram two of button plunger seat provided by the utility model；
Figure 12 is the structural schematic diagram of detent gear member provided by the utility model, detent gear groove seat and gasket seal；
Figure 13 is the structural schematic diagram of pumping shield provided by the utility model；
Figure 14 is the profile of air inlet vacuum breaking device provided by the utility model (in the state of bouncing)；
Figure 15 is the profile of air inlet vacuum breaking device provided by the utility model (in down state)；
Figure 16 is the structural schematic diagram of air inlet button provided by the utility model；
Figure 17 is the structural schematic diagram of air inlet shield provided by the utility model.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Referring to FIG. 1, the embodiments of the present invention provide a kind of push type heat preserving antistaling Vacuum lunch box, including box body
1 and box cover 2, box cover 2 covers the top for being located at box body 1, and the present embodiment is described in detail with reference to the accompanying drawing.
As shown in Figures 2 and 3, which can be set to heat preservation box body, specifically, box body 1 includes plastic shell 11
With the stainless steel double-layer inner containers 12 that vacuumize of inside, stainless steel double-layer inner containers 12 are installed in the inside of plastic shell 11, outside plastic cement
The box body heat insulation cotton 13 for improving heat insulation effect is also installed between shell 11 and stainless steel double-layer inner containers 12.
As depicted in figs. 1 and 2, box cover 2 includes upper cover 21 and upper cover seal washer 22, and upper cover seal washer 22 is installed in
It can touch at the cover rim position of lid 21 and with the side edge of box body 1 to realize sealing, box cover 2 is equipped with push type vacuum means
Set 23 and air inlet vacuum breaking device 25.
As shown in Fig. 4 to Fig. 8, the button installation cavity 24 being recessed inwardly is formed in upper cover 21, button installs cavity 24
Bottom among offer aspirating hole 241, push type vacuum evacuation device 23 is installed on button installation cavity 24, and push type is taken out true
Empty device 23 includes pumping button 231, sealing retainer ring 232, button plunger seat 233, the first push piece joint 234, the first spring
235, detent gear member 236, detent gear groove seat 237 and gasket seal 238.
As shown in figure 9, the air discharge duct 2311 that can lead to button external is offered on the inner wall of pumping button 231, in addition,
It is evacuated the spinner slot 2312 being also provided on the inner wall of button 231 for assembling with 233 phase of button plunger seat.
As shown in figs. 5 and 9, sealing retainer ring 232 is fixed at the top opening position of button installation cavity 24, sealing card
The middle part of circle 232 offers central through hole 2322, the inner ring of sealing retainer ring 232 set there are two for it is rotary shifted after button
The sliding seat locking detent 2321 of the outer wall upper end limit cooperation of piston seat 233, two sliding seat lock between detents 2321
Distance is less than the inner ring diameter of sealing retainer ring 232.
As shown in Fig. 5, Fig. 6, Figure 10 and Figure 11, button plunger seat 233 is movably arranged on the inside of button installation cavity 24,
Button plunger seat 233 is in substantially inverted cup body shape, and the top of button plunger seat 233 offers gas vent 2331, gas vent
2331 lead to the inside of pumping button 231, are connected with the air discharge duct 2311 on the inner wall of pumping button 231, button plunger seat
233 outer wall lower end is equipped with for cooperating with the sealing limit of retainer ring 232 with the limit for moving up stroke of limit button piston seat 233
The outer wall upper end of flange 2333, button plunger seat 233 is equipped with spinner block 2334, and the upper-end part of driving of button plunger seat 233 can be worn
The central through hole 2322 of retainer ring 232 is sealed out, and the spinner slot 2312 for snapping onto pumping button 231 is rotated by spinner block 2334
It is interior, so that button plunger seat 233 be made to fix with pumping 231 phase of button.In addition, the inner tip of button plunger seat 233 be equipped with
The detent gear auxiliary section 2332 that detent gear member 236 matches.
As shown in Figure 10, the symmetrical two sides of the outer wall of button plunger seat 233 are also provided with for the work with sealing retainer ring 232
The sliding seat locking detent 2321 of the guide surface 2335 that dynamic seat locking detent 2321 matches, in this way sealing retainer ring 232 can
Limit button piston seat 233 can only move up and down, and user is facilitated to carry out pressing operation, but when button plunger seat 233 is pressed
Afterwards, since the diameter of the outer wall upper end of button plunger seat 233 reduces (forming stepped portions), the guiding of button plunger seat 233
Plane 2335 can move down and be detached from the limitation of the sliding seat locking detent 2321 of sealing retainer ring 232, and user can pass through at this time
Pumping button 231 rotates by a certain angle button plunger seat 233 toward a direction (as clockwise), makes button plunger seat 233
Guide surface 2335 and the sliding seat locking detent 2321 of sealing retainer ring 232 misplace, when user lets go, sealing retainer ring 232
Sliding seat locking detent 2321 can withstand the outer wall stepped portions of the button plunger seat 233 after dislocation, limit button piston seat
233 bounce, only when the guide surface 2335 of button plunger seat 233 rotates to the sliding seat locking detent of sealing retainer ring 232
When 2321 position, button plunger seat 233 could pop up under the action of the first spring 235.
As shown in Figure 4 and Figure 5, the first spring 235 is installed between button plunger seat 233 and button installation cavity 24, the
One push piece joint 234 is set at the unit with grooves in outer wall of button plunger seat 233, when button plunger seat 233 moves up and down, first
The inner wall that push piece joint 234 can install cavity 24 with button is always held at contact condition to realize sealing.
As shown in Figure 8 and Figure 11, the inside of detent gear groove seat 237 is run through up and down, on the inner wall of detent gear groove seat 237
Longitudinally guiding slot 2371 is offered, the bottom of detent gear groove seat 237 offers fixed card slot 2372, and button installs cavity 24
Inner bottom is equipped with fixed fixture block 242, and the fixed card slot 2372 of detent gear groove seat 237 is inserted in corresponding fixed fixture block 242
On, so that detent gear groove seat 237 be made to be fixed on the inner bottom that button installs cavity 24.
In order to be conducive to be evacuated, in the box that enables the aspirating hole 241 for installing cavity 24 from button to enter air smoothly into
Enter to button and install in cavity 24 and button plunger seat 233, can be offered at the outer wall stepped portions of detent gear groove seat 237
Several groove seat ventholes 2373.
As shown in figs. 8 and 12, detent gear member 236 is installed in the inside of detent gear groove seat 237 and is located at button and lives
The underface of the detent gear auxiliary section 2332 of obturating plug 233, about 236 detent gear member, which runs through, air duct 2361, detent
The outer wall of gear member 236 is equipped with longitudinally guiding raised line 2362, and the longitudinally guiding raised line 2362 of detent gear member 236 can be planted
In corresponding longitudinally guiding slot 2371, so that limit detent gear member 236 can only be relative to moving down in detent gear groove seat 237
Dynamic, the top detent end of detent gear member 236 can stretch out the top of detent gear groove seat 237.In the present embodiment, detent tooth
The top detent of gear member 236 can be matched with the detent gear auxiliary section 2332 of button plunger seat 233, after being pressed down with limitation
Button plunger seat 233 can only rotate toward a direction, it is on the contrary then cannot rotate.
As depicted in figure 5 and figure 12, gasket seal 238 is movably arranged on the inside of detent gear groove seat 237 and is located at detent
Between the lower section of gear member 236 and 241 top of aspirating hole of button installation cavity 24, if the edge of gasket seal 238, which runs through, to be had
Dry equally distributed gasket venthole 2381.When pumping button 231 is pressed, the detent gear of button plunger seat 233 is matched
Conjunction portion 2332 can depress detent gear member 236, and detent gear member 236 can push down gasket seal 238 at this time, make gasket seal
238 block the aspirating hole 241 of button installation cavity 24, and when pumping button 231 bounces, lunch box is in the process of pumping, button
Detent gear member 236 is left in the detent gear auxiliary section 2332 of piston seat 233, and detent gear member 236 and gasket seal 238 are in
Movable state, so under the influence of air pressure, air can push up out of the aspirating hole 241 of button installation cavity 24 enters box
Open gasket seal 238, detent gear member 236 and gasket seal 238 can move slightly upwards, at this time gasket seal 238 with press
Certain interval is generated between the inner bottom of button installation cavity 24, air can be logical by the gasket on gasket seal 238 in box
Stomata 2381 enters in detent gear groove seat 237 and button plunger seat 233.
The aspirating hole 241 of button installation cavity 24 is blocked by the article in box in order to prevent, such as Fig. 5, Fig. 7 and Figure 13 institute
Show, can connect pumping shield 239 on the outer wall of button installation cavity 24, offered and be used on the inner wall of pumping shield 239
It is connected to 1 inside of box body and the pumping air inlet 2391 inside pumping shield 239.
As shown in Fig. 4, Figure 14, air inlet vacuum breaking device 25 includes air inlet button 251, second spring 252 and the second button
Sealing ring 253, upper cover 21 is equipped with air inlet button installation passage 26, after air inlet button 251 and second spring 252 are set in together
It is inserted into air inlet button installation passage 26, the lower end of air inlet button 251 is pierced by the lower ending opening of air inlet button installation passage 26
It is connected after 261 with the second push piece joint 253.
As shown in figure 14, under normal conditions, under the action of second spring 252, the second push piece joint 253 can block into
The lower ending opening 261 of gas button installation passage 26, seals.As shown in figure 15, when air inlet button 251 is pressed, the
Two push piece joint 253 can be far from the lower ending opening 261 of air inlet button installation passage 26, so that it is logical to open air inlet button installation
The lower ending opening 261 in road 26, the air outside box is able to enter in box at this time, releases vacuum state.
As shown in figure 16, it preferably, in order to be conducive to air inlet, can be offered on the outer wall of air inlet button 251 positioned at
Longitudinal air inlet duct 2511 of two push piece joint, 253 top.Certainly, only by air inlet button 251 and air inlet button installation passage 26
Between gap also being capable of air inlet.
The lower ending opening 261 of air inlet button installation passage 26 is blocked by the article in box in order to prevent, as shown in figure 17, into
It can also be connected with air inlet shield 254 on the outer wall of gas button installation passage 26, offer and be used on the inner wall of air inlet shield 254
It is connected to 1 inside of box body and the outgassing groove 2541 inside air inlet shield 254.
As shown in Figure 2, Figure 4 shows, the inside of upper cover 21 is installed with inner cover plate 27, installs between upper cover 21 and inner cover plate 27 useful
In the upper cover heat-preservation cotton 28 for improving heat insulation effect, the first thermal-insulating sealing washer 29, second is installed between upper cover 21 and inner cover plate
Thermal-insulating sealing washer 210 and third thermal-insulating sealing washer 211, the first thermal-insulating sealing washer 29 are located at the marginal position of inner cover plate 27
Place, the second thermal-insulating sealing washer 210 are located at the periphery of push type vacuum evacuation device 23, third thermal-insulating sealing washer 211 positioned at into
The periphery of gas vacuum breaking device 25.
The working principle of the utility model is as follows:
Place an article in box body 1, then cover box cover 2, will a pumping button 231 when rotating counterclockwise to, the
Under the action of one spring 235, button plunger seat 233 and pumping button 231 can be bounced, and can consecutively press pumping button at this time
231.When pumping button 231 is pressed, gasket seal 238 blocks the aspirating hole 241 of button installation cavity 24, at this time air
Out not into the air in button plunger seat 233 and button installation cavity 24 can successively pass through the gas vent of button plunger seat 233
2331 are discharged to outside box with the air discharge duct 2311 for being evacuated button 231.When reset is bounced after being evacuated button 231 and being pressed, in box
Air can be successively logical by the pumping air inlet 2391 of pumping shield 239, the aspirating hole 241 of button installation cavity 24 and gasket
Stomata 2381 is drawn into button plunger seat 233 and button installation cavity 24, when pumping button 231 is pressed again, is pressed
Air in button piston seat 233 and button installation cavity 24 is discharged to outside box again.Lower pumping button 231 is pressed in continuous several times
Afterwards, air can gradually be discharged and make in box in vacuum state in box.After the completion of vacuumizing, as long as user presses lower pumping button 231
And pumping button 231 and button plunger seat 233 are rotated clockwise, button plunger seat 233 can match with the sealing locking of retainer ring 232
It closes, returning to pumping button 231 in button installation cavity 24 will not bounce, at this point, under atmospheric pressure, box cover can not
It opens.
When needing to open the lid, air inlet button 251 is pressed, it is logical that the air outside box can move quickly through air inlet button installation
The outgassing groove 2541 of road 26 and air inlet shield 254 enters in box.
In conclusion the utility model has the advantages of simple structure, it can be completed using pressing mode and vacuumize operation, make in lunch box
Vacuum state is formed, effectively prevent outside air to enter in Vacuum lunch box, to ensure that the fresh-keeping effect of Vacuum lunch box, subtracts
The oxidation process of slow food achievees the purpose that extend fresh keeping time, without mating external vaccum-pumping equipment, uses and the side of carrying
Just, vacuumize with it is of good preservation effect, in addition, its soaking time overlength, can reach 24 hours or more, at present heat-preserving rice on the market
Box can only achieve 16 hours.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of push type heat preserving antistaling Vacuum lunch box, including box body (1) and box cover (2), box cover (2) lid is located at box body
(1) top, the box cover (2) include upper cover (21) and upper cover seal washer (22), upper cover seal washer (22) installing
It can touch at the cover rim position of upper cover (21) and with the side edge of box body (1) to realize sealing, it is characterised in that: the box
Covering (2) also has push type vacuum evacuation device (23), and the push type vacuum evacuation device (23) includes pumping button (231), close
Seal retainer ring (232), button plunger seat (233), the first push piece joint (234), the first spring (235), detent gear member
(236), detent gear groove seat (237) and gasket seal (238) form the button installation being recessed inwardly on the upper cover (21)
Cavity (24) offers aspirating hole (241) among the bottom of button installation cavity (24), and the sealing retainer ring (232) is consolidated
Be scheduled on button installation cavity (24) top opening position at, it is described sealing retainer ring (232) inner ring be equipped with for after rotation
Button plunger seat (233) outer wall upper end limit cooperation sliding seat lock detent (2321), the button plunger seat (233)
It is movably arranged on the inside of button installation cavity (24), first spring (235) is installed in button plunger seat (233) and button
It installs between cavity (24), the upper-end part of driving of the button plunger seat (233) is pierced by the central through hole of sealing retainer ring (232)
(2322) it is connected with pumping button (231), is offered gas vent (2331) at the top of the button plunger seat (233), it is described
The inside of pumping button (231), which is offered, is connected with the gas vent (2331) of button plunger seat (233) and leads to external row
Air drain (2311), the inner tip of the button plunger seat (233) are equipped with the detent gear matched with detent gear member (236)
Auxiliary section (2332), the outer wall lower end of the button plunger seat (233) are equipped with for the limit with sealing retainer ring (232) limit cooperation
Position flange (2333), first push piece joint (234) are set on the outer wall of button plunger seat (233) and can be with buttons
The inner wall of installation cavity (24) is in contact to realize sealing, and the detent gear groove seat (237) is fixed on button installation cavity
The inner bottom of body (24), the outer wall of the detent gear groove seat (237) offers several groove seat ventholes (2373), described
Detent gear member (236) is installed in the inside of detent gear groove seat (237) and the detent gear positioned at button plunger seat (233) is matched
The underface in conjunction portion (2332), the detent gear member (236) can only move up and down relative to detent gear groove seat (237), institute
The top detent end for stating detent gear member (236) can stretch out the top of detent gear groove seat (237), the gasket seal
(238) it is movably arranged on the inside of detent gear groove seat (237) and is located at lower section and the button installation cavity of detent gear member (236)
Between above the aspirating hole (241) of body (24), the edge of the gasket seal (238), which runs through, several gasket ventholes
(2381)。
2. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 1, it is characterised in that: the button installation cavity
It is connected with pumping shield (239) on the outer wall of body (24), offers on the inner wall of pumping shield (239) for being connected to box body
(1) the internal pumping air inlet (2391) internal with pumping shield (239).
3. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 1, it is characterised in that: the detent gear member
(236) up and down through having air duct (2361), the outer wall of the detent gear member (236) is equipped with longitudinally guiding raised line
(2362), it is offered longitudinally guiding slot (2371) on the inner wall of the detent gear groove seat (237), the detent gear member
(236) longitudinally guiding raised line (2362) is inserted in corresponding longitudinally guiding slot (2371), to limit detent gear member (236)
It can only be moved up and down relative to detent gear groove seat (237), the bottom of the detent gear groove seat (237) offers fixed card slot
(2372), the inner bottom of button installation cavity (24) is equipped with fixed fixture block (242), the detent gear groove seat (237)
Fixed card slot (2372) be inserted on corresponding fixed fixture block (242), to keep detent gear groove seat (237) clamping solid
It is scheduled on the inner bottom of button installation cavity (24).
4. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 1, it is characterised in that: the pumping button
(231) it is offered on inner wall spinner slot (2312), the outer wall upper end of the button plunger seat (233) is equipped with spinner block
(2334), the spinner block (2334) of the button plunger seat (233) snaps onto the spinner slot (2312) of pumping button (231).
5. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 1, it is characterised in that: the box cover (2) is also
With air inlet vacuum breaking device (25), the air inlet vacuum breaking device (25) includes air inlet button (251), second spring (252)
With the second push piece joint (253), the upper cover (21) is equipped with air inlet button installation passage (26), the air inlet button
(251) it is inserted into after being set in together with second spring (252) in air inlet button installation passage (26), the air inlet button
(251) lower end is connected after being pierced by the lower ending opening of air inlet button installation passage (26) with the second push piece joint (253), institute
The lower ending opening (261) of air inlet button installation passage (26) can be blocked by stating the second push piece joint (253) under normal conditions, when into
When gas button (251) is pressed, second push piece joint (253) can be far from the lower end of air inlet button installation passage (26)
Opening, to open the lower ending opening of air inlet button installation passage (26).
6. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 5, it is characterised in that: the air inlet button peace
It fills and is connected with air inlet shield (254) on the outer wall of channel (26), offered on the inner wall of the air inlet shield (254) for being connected to
Box body (1) the internal outgassing groove (2541) internal with air inlet shield (254) offers on the outer wall of the air inlet button (251)
Longitudinal air inlet duct (2511) above the second push piece joint (253).
7. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 1, it is characterised in that: the upper cover (21)
Inside is installed with inner cover plate (27), is installed with upper cover heat-preservation cotton (28) between the upper cover (21) and inner cover plate (27).
8. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 7, it is characterised in that: the upper cover (21) with
The first thermal-insulating sealing washer (29), the second thermal-insulating sealing washer (210) and third thermal-insulating sealing washer are installed between inner cover plate
(211), the first thermal-insulating sealing washer (29) is located at the marginal position of inner cover plate (27), the second thermal-insulating sealing washer
(210) it is located at the periphery of push type vacuum evacuation device (23), the third thermal-insulating sealing washer (211) is located at air inlet vacuum breaker dress
Set the periphery of (25).
9. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 1, it is characterised in that: box body (1) packet
Plastic shell (11) and the internal stainless steel double-layer inner containers (12) vacuumized are included, the stainless steel double-layer inner containers (12) are installed in modeling
The inside of glue shell (11).
10. a kind of push type heat preserving antistaling Vacuum lunch box according to claim 9, it is characterised in that: the plastic shell
(11) it is also installed between stainless steel double-layer inner containers (12) box body heat insulation cotton (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268139.4U CN208790285U (en) | 2018-08-07 | 2018-08-07 | A kind of push type heat preserving antistaling Vacuum lunch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821268139.4U CN208790285U (en) | 2018-08-07 | 2018-08-07 | A kind of push type heat preserving antistaling Vacuum lunch box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208790285U true CN208790285U (en) | 2019-04-26 |
Family
ID=66204856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821268139.4U Expired - Fee Related CN208790285U (en) | 2018-08-07 | 2018-08-07 | A kind of push type heat preserving antistaling Vacuum lunch box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208790285U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910307A (en) * | 2018-08-07 | 2018-11-30 | 张国来 | A kind of push type heat preserving antistaling Vacuum lunch box |
| CN111075940A (en) * | 2019-12-17 | 2020-04-28 | 广东创智智能装备有限公司 | Connecting valve convenient for vacuumizing and breaking vacuum |
| CN113633082A (en) * | 2021-07-14 | 2021-11-12 | 广州理工学院 | Lunch box |
-
2018
- 2018-08-07 CN CN201821268139.4U patent/CN208790285U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108910307A (en) * | 2018-08-07 | 2018-11-30 | 张国来 | A kind of push type heat preserving antistaling Vacuum lunch box |
| CN111075940A (en) * | 2019-12-17 | 2020-04-28 | 广东创智智能装备有限公司 | Connecting valve convenient for vacuumizing and breaking vacuum |
| CN111075940B (en) * | 2019-12-17 | 2024-06-04 | 广东创智智能装备有限公司 | Connecting valve convenient for vacuumizing and breaking vacuum |
| CN113633082A (en) * | 2021-07-14 | 2021-11-12 | 广州理工学院 | Lunch box |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190426 |
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| CF01 | Termination of patent right due to non-payment of annual fee |