CN106043936B - Vacuuming structure, vacuum refreshing lid and vacuum fresh-retaining container - Google Patents
Vacuuming structure, vacuum refreshing lid and vacuum fresh-retaining container Download PDFInfo
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- CN106043936B CN106043936B CN201610418037.5A CN201610418037A CN106043936B CN 106043936 B CN106043936 B CN 106043936B CN 201610418037 A CN201610418037 A CN 201610418037A CN 106043936 B CN106043936 B CN 106043936B
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- sealing column
- piston
- column core
- seal
- core
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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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2015—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum in an at least partially rigid container
-
- 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
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/18—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient
- B65D81/20—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas
- B65D81/2007—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum
- B65D81/2038—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents providing specific environment for contents, e.g. temperature above or below ambient under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas under vacuum with means for establishing or improving vacuum
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The present invention discloses a kind of Vacuuming structure, vacuum refreshing lid and vacuum fresh-retaining container.It is invented to solve the problems such as prior art construction is complicated.The vacuum refreshing lid includes tubular shell, and the chamber of opening upwards is provided on the tubular shell；Piston is arranged in chamber, can be along chamber axially reciprocating；Resetting spring is located between piston and cavity bottom；Sealing column core, lower end are arranged on cavity bottom, and upper end is threaded through upwards in piston air vent；Using the above structure, it presses or unclamps piston, chamber of the piston in tubular shell is made to move reciprocatingly, so as to extract air out out of container, to reach vacuum, especially with the sealing column core of special construction, make the Multifunctional centralizeds one such as its collection seals, vacuum is shown, have many advantages, such as that simple in structure, sealing effect is good, easy to use.
Description
Technical field
The utility model is related to food vacuum preservation device more particularly to a kind of vacuum refreshing lids and vacuum fresh-retaining container.
Background technology
It is well known that common cup, tank or bowl are hoarding food, since foodstuff surface is larger with air contact surfaces, easily
It plays oxidation and influences food fresh-keeping or even can there is a situation where food spoilages.Especially tangible hot summer, people are usual
Food is put into Antistaling container, to extend the fresh keeping time of food.But at present, the guarantor for the Antistaling container sold in the market
Fresh principle is all that food is made to be isolated from the outside, to reduce pollution and diatery supplement.Since vessel are not vacuum, nuisance in remaining air
Certain corrosiveness still can be played to food, thus fresh keeping time will not be too long, fresh-keeping quality is also unreliable.
Also occur some vacuum fresh-keeping pots thus, the individual drawing and pulling type vacuum pump cooperation freshness-retaining tank of generally use, which is realized, to be taken out
Vacuum, this structure intermediate pump and freshness-retaining tank are split type, need respectively individually storage, and using and it is inconvenient, it is right
Operator has certain requirement.There are also the vacuum crisper of integrated design, but its structure is complex, volume is larger, no
It is suitble to promote the use of.
Invention content
To overcome drawbacks described above, the purpose of the present invention is to provide a kind of simple in structure, easy for operation, sealing effects
Good vacuum refreshing lid and vacuum fresh-retaining container.
The Vacuuming structure of the present invention, for being arranged on container with the air in evacuation container, including：
Tubular shell, is provided with the chamber of opening upwards on the tubular shell, cavity bottom be equipped with in container
The aspirating hole of connection；
Piston is arranged in chamber, can be along chamber axially reciprocating；Piston side and chamber surfaces hermetic seal；Institute
The piston air vent for deflating and sealing is equipped in the middle part of the piston stated,
Resetting spring is located between piston and cavity bottom；
Sealing column core, lower end are arranged on cavity bottom, and upper end is threaded through upwards in piston air vent；Wherein, sealing column
Core has：
Epimere is seal section, and the piston air vent with operating in this section forms hermetic seal；
Stage casing, for deflation section, the piston air vent with operating in this section forms deflation structure；
Hypomere has and is radially provided with the seal cover board being adapted with aspirating hole, and the seal cover board is matched with aspirating hole
Conjunction forms check valve；
Wherein, the motion process of the Vacuuming structure includes：
Deflation course：
When external force is applied on piston, piston downlink, piston in chamber from top dead centre along the seal section of sealing column core
The seal section hermetic seal of air vent and sealing column core, closed check valve, the indoor air of chamber are compressed；
When piston continuing traveling downwardly in chamber under external force to deflation section, compressed air passes through in chamber
Deflation structure is discharged, and deflation course is completed；
Pumping process：
When external force removes, when piston leaves deflation section along seal section uplink under action of reset spring, piston air vent
With the seal section hermetic seal of sealing column core, check valve is opened under gas pressure, and the air in container is to chamber indoor moveable；
When piston runs to top dead centre, the seal section hermetic seal of piston air vent and sealing column core, closed check valve is taken out
Gas process is completed.
Preferably, the sealing column core is made into integration for elastic plastic material；The sealing column core further includes：
Hollow display cavity is arranged on the sealing column in-core place near to the upper end；
Air inlet is arranged on the sealing column core below seal cover board and aspirating hole or reservoir；
Air guide channel is arranged on sealing column in-core, and display cavity is connected with air inlet；
When the pressure in container is less than the pressure outside tubular shell, volume subtracts the display cavity under pressure
It is small, so that sealing column core upper end generates flexible deformation downwards；When the pressure in container is equal to the pressure outside tubular shell, institute
The sealing column core upper surface stated returns to original state under flexible deformation effect.
Preferably, the chamber bottom in the sealing column core side has set up ring packing valve seat；The pumping
Stomata is arranged between sealing column and ring packing valve seat；The seal cover board is adapted with ring packing valve seat；Described
Check valve is by seal valve seat and covers the seal cover board on ring packing valve seat and is formed.
Preferably, the position that sealing column core is corresponded in the piston upper surface has been formed down a recess portion, described is close
The upper end of Feng Zhuxin is located in the recess portion.
Preferably, the cavity bottom center is upwardly formed a boss, it is equipped with and appearance in the middle part of the boss
The through-hole of device connection, boss upper surface are equipped with ring packing valve seat；
The sealing column core is made into integration for elastic plastic material；The sealing column core lower end tool is logical there are one being more than
The retaining lugs of bore dia, the sealing column core lower end, which is passed down through through-hole, makes retaining lugs be fixed on the cylindrical case outside boss
On body, and the seal cover board of the sealing column core hypomere is made just to be adapted with the ring packing valve seat, the list
It by ring packing valve seat and covers the seal cover board on ring packing valve seat to valve and is formed；The seal cover board and retaining lugs
Cooperation fixes sealing column core on tubular shell boss；
It is equipped with and through-hole and reservoir on the tubular shell contacted in the retaining lugs or with retaining lugs
Bleed-off passage；
The sealing column core is located at through-hole inside points and coordinates with via clearance, and the aspirating hole is the sealing column
Gap between core and through-hole；
The sealing column core further includes：
Hollow display cavity is arranged on the sealing column in-core place near to the upper end；
Air inlet is arranged on the sealing column core lower face；
Air guide channel is arranged on sealing column in-core, and display cavity is connected with air inlet；
When the pressure in container is less than the pressure outside tubular shell, volume subtracts the display cavity under pressure
It is small, so that sealing column core upper end generates flexible deformation downwards；When the pressure in container is equal to the pressure outside tubular shell, institute
The sealing column core upper surface stated returns to original state under flexible deformation effect.
Preferably, the sealing column core is made into integration for elastic plastic material；Wherein,
The epimere of the sealing column core and stage casing are a continuous diameter-changing body, and the epimere of sealing column core is at least corresponded on piston
Diameter at stop is more than piston deflation bore dia, and the diameter that the stage casing of sealing column core is at least corresponded at piston lower dead center is less than work
Fill in deflation bore dia；Or,
The stage casing of the sealing column core is a continuous diameter-changing body, and the stage casing of sealing column core is at least corresponded at piston lower dead center
Diameter be less than piston deflation bore dia.
Preferably, the piston is a ring piston lid that Open Side Down, the cylindrical outer surface of the ring piston lid
Lower end is equipped with seal groove, and the sealing ring with the surface hermetic seal of tubular shell chamber inner wall is equipped in the seal groove；Described
Tubular shell upper end be equipped with for limit ring piston lid movement position limiting structure.
In order to achieve the above objectives, sealing column core of the invention, including：
Epimere is seal section, and the piston air vent with operating in this section forms hermetic seal；
Stage casing, deflation section, the piston air vent with operating in this section form deflation structure；
Hypomere, has the seal cover board of radially setting, and the seal cover board is matched with the aspirating hole or seal valve seat being adapted to
Conjunction forms check valve.
Preferably, the sealing column core is made into integration for elastic plastic material；The sealing column core includes：
Hollow display cavity is arranged on the sealing column in-core place near to the upper end；
Air inlet is arranged on the sealing column core below seal cover board；
Air guide channel is arranged on sealing column in-core, and display cavity is connected with air inlet；
When the pressure in container is less than the pressure outside tubular shell, volume subtracts the display cavity under pressure
It is small, so that sealing column core upper end generates flexible deformation downwards；When the pressure in container is equal to the pressure outside tubular shell, institute
The sealing column core upper surface stated returns to original state under flexible deformation effect.
Preferably, the epimere of the sealing column core and stage casing are a continuous diameter-changing body, the epimere of sealing column core is at least right
Diameter at piston top dead center is answered to be more than piston deflation bore dia, the stage casing of sealing column core at least corresponds to straight at piston lower dead center
Diameter is less than piston deflation bore dia；Or,
The stage casing of the sealing column core is a continuous diameter-changing body, and the stage casing of sealing column core is at least corresponded at piston lower dead center
Diameter be less than piston deflation bore dia.
Preferably, the fixed part for sealing column core lower end radially setting retaining lugs, the retaining lugs with
The seal cover board is arranged at intervals.
In order to achieve the above objectives, vacuum refreshing lid or vacuum fresh-retaining container of the invention, including a cover or container body, institute
Above-mentioned Vacuuming structure is provided in the cover or container body stated；Wherein, the tubular shell is cover or container body
A part, the aspirating hole are directly connected in container or are connected by air guide channel..
Using the above structure, it presses or unclamps piston, chamber of the piston in tubular shell is made to move reciprocatingly, thus from
Extraction air in container to reach vacuum, especially with the sealing column core of special construction, shows its collection sealing, vacuum
Multifunctional centralized one, has many advantages, such as that simple in structure, sealing effect is good, easy to use.
Description of the drawings
Fig. 1 is the structure diagram of one embodiment of the invention.
Fig. 2 is the structure diagram that piston is acted on when operating in seal section downwards by external force in embodiment illustrated in fig. 1.
Fig. 3 is the structural representation that piston is acted on when continuing to operate in downwards deflation section by external force in embodiment illustrated in fig. 2
Figure.
Fig. 4 is in embodiment illustrated in fig. 3, after external force is cancelled, when piston operates in seal section under action of reset spring
Structure diagram.
Fig. 5 is structure diagram when piston is run under action of reset spring to top dead centre in embodiment illustrated in fig. 4.
Fig. 6 is the structure diagram of another embodiment of the present invention；
Fig. 7 is the assembly structure diagram of Vacuuming structure in embodiment illustrated in fig. 6；
Fig. 8 is the structure diagram after sealing column core is evacuated shown in Fig. 7；
Fig. 9 is the Vacuuming structure schematic diagram of the present invention；
Figure 10 is the structure diagram of sealing column core；
Figure 11 is the structure diagram of the embodiment of the present invention 3；
Figure 12 is the structure diagram of the embodiment of the present invention 4；
Specific embodiment
So-called term " epimere ", " stage casing ", " hypomere ", represent opposite position relationship, do not wrap especially in the present invention
Include absolute numerical relation.
The present invention is described further with reference to the accompanying drawings and examples.
The Vacuuming structure of the present invention is provided with as shown in figure 9, including tubular shell 11 on the tubular shell 11
The chamber of opening upwards, cavity bottom are equipped with the aspirating hole 14 with being connected in container；
Piston 3, is arranged in chamber, can be along chamber axially reciprocating；Piston side and chamber surfaces hermetic seal；Institute
The piston air vent for deflating and sealing is equipped in the middle part of the piston stated,
Resetting spring 5, is located between piston and cavity bottom.
Sealing column core 6, lower end are arranged on cavity bottom, and upper end is threaded through upwards in piston air vent；Wherein, sealing column
Core has：As shown in Figure 10,
Epimere A is seal section, and the piston air vent with operating in this section forms hermetic seal；
Stage casing B, for deflation section, the piston air vent with operating in this section forms deflation structure；
Hypomere C has and is radially provided with the seal cover board being adapted with aspirating hole, and the seal cover board is matched with aspirating hole
Conjunction forms check valve；
Wherein, the motion process of the Vacuuming structure includes：
Deflation course：
When external force is applied on piston, piston downlink, piston in chamber from top dead centre along the seal section of sealing column core
The seal section hermetic seal of air vent and sealing column core, closed check valve, the indoor air of chamber are compressed；
When piston continues traveling downwardly deflation section in chamber under external force, compressed air is by putting in chamber
Depressed structure is discharged, and deflation course is completed；
Pumping process：
When external force removes, when piston leaves deflation section along seal section uplink under action of reset spring, piston air vent
With the seal section hermetic seal of sealing column core, check valve is opened under gas pressure, and the air in container is to chamber indoor moveable；
When piston runs to top dead centre, the seal section hermetic seal of piston air vent and sealing column core, closed check valve is taken out
Gas process is completed.
As the improvement of above-mentioned Vacuuming structure, the sealing column core 6 is made into integration for elastic plastic material；Described
Sealing column core further includes：Hollow display cavity 61 is arranged on the sealing column in-core place near to the upper end；Air inlet 62 is arranged on close
Cover plate below sealing column core on aspirating hole or reservoir；Air guide channel 63 is arranged on sealing column in-core, by display cavity
It is connected with air inlet；After increasing above structure, when becoming vacuum in container, volume reduces display cavity under pressure,
So that sealing column core upper end generates a certain amount of flexible deformation downwards, consequently facilitating this deformation is intuitive to see, in order to make
User understands the variation.
Embodiment 1
Fig. 1 to the structure diagram of Fig. 5 the present embodiment action process figure.
As shown in Figures 1 to 5, the Vacuuming structure of the present embodiment is applied in cover, including：
Tubular shell (cover) 11, is provided with the chamber of opening upwards on the tubular shell, and cavity bottom is equipped with
The aspirating hole 14 connected in container；
Piston 3, is arranged in chamber, can be along chamber axially reciprocating；3 side of piston passes through sealing ring 4 and chamber table
Face hermetic seal；The piston air vent for deflating and sealing is equipped in the middle part of the piston,
Resetting spring 5 is located between piston 4 and cavity bottom；
Sealing column core 6, lower end are arranged on cavity bottom, and upper end is threaded through upwards in piston air vent；Wherein, sealing column
Core has：
Epimere is seal section, and the piston air vent with operating in this section forms hermetic seal；
Stage casing, for deflation section, the piston air vent with operating in this section forms deflation structure；Deflation structure in Fig. 1 is
One one section of diameter-changing body being arranged on sealing column core；Wherein, the diameter-changing body upper end is suitable with deflation bore dia, under the diameter-changing body
End is less than deflation bore dia.Certain deflation structure can also be to be axially disposed within the air bleed slot in sealing column core stage casing or deflate logical
Road etc..
Hypomere has and is radially provided with the seal cover board being adapted with aspirating hole, and the seal cover board is matched with aspirating hole
Conjunction forms check valve；
Wherein, the sealing column core 6 is made into integration for elastic plastic material；The sealing column core further includes：
Hollow display cavity 61 is arranged on the sealing column in-core place near to the upper end；
Air inlet 62 is arranged on the sealing column core below seal cover board and aspirating hole or reservoir；
Air guide channel 63 is arranged on sealing column in-core, and display cavity is connected with air inlet；
The motion process of above-mentioned Vacuuming structure is as follows：
When Vacuuming structure is covered when on container, the sealing ring 2 of Vacuuming structure is open with upper vessel portion to be used in outer masterpiece
Lower formation hermetic seal；At this point, the air pressure inside and outside container is suitable, as shown in Figure 1.
When external force is applied on piston 3, as shown in Fig. 2, piston 3 from top dead centre along the seal section of sealing column core in chamber
Interior downlink, epimere (seal section) hermetic seal of piston air vent and sealing column core 6, closed check valve, the indoor air of chamber are pressed
Contracting；
When piston 3 continues traveling downwardly deflation section (diameter-changing body section) in chamber under external force, as shown in figure 3, chamber
Indoor compressed air is discharged by the deflation structure in sealing column core stage casing, and deflation course is completed；
When external force removes, when piston 3 leaves deflation section along seal section uplink under the effect of resetting spring 5, piston is deflated
Hole and the seal section hermetic seal of sealing column core, check valve are opened under gas pressure, and the partial air in container passes through pumping
Hole is pumped to by piston in chamber；When piston 3 runs to top dead centre, the seal section hermetic seal of piston air vent and sealing column core,
Closed check valve, pumping process are completed.At this point, the pressure of container starts the pressure being less than outside tubular shell.Display cavity exists at this time
Pressure effect lower volume reduces, so that sealing column core upper end generates a certain amount of flexible deformation downwards.
It repeats the above process, the air in container understands being extracted for a little, forms vacuum；And sealing column core upper end towards
Lower production flexible deformation is also more and more apparent as shown in figure 5, until Vacuuming structure completes scheduled vacuum requirement.
Embodiment 2
The Vacuuming structure that Fig. 6 to Fig. 8 show the present embodiment is applied in cover and tank body is coordinated to form vacuum freshness retaining
The structure diagram of tank.
Vacuum fresh-keeping pot as shown in Figure 6 including tank body 7 and covers the Vacuuming structure 1 on tank body, Vacuuming structure 1
It is sealed with tank body 7 by gasket 2.
The chamber 12 of opening upwards is provided on the tubular shell 11 of Vacuuming structure；The cavity bottom centre bit
It puts and is upwardly formed a boss 15,15 center of boss is provided with the aspirating hole of reservoir 14, the boss around aspirating hole
15 upper surfaces are provided with ring packing valve seat 13；
The sealing column core 6 is made into integration for elastic plastic material；Wherein, sealing column core has：
Epimere is seal section, and the piston air vent with operating in this section forms hermetic seal；
Stage casing, for deflation section, the piston air vent with operating in this section forms deflation structure；Deflation structure in Fig. 1 is
One one section of diameter-changing body being arranged on sealing column core；Wherein, the diameter-changing body upper end is suitable with deflation bore dia, under the diameter-changing body
End is less than deflation bore dia.Certain deflation structure can also be to be axially disposed within the air bleed slot in sealing column core stage casing or deflate logical
Road etc..
Hypomere has and is radially provided with the seal cover board being adapted with aspirating hole, and the seal cover board is matched with aspirating hole
Conjunction forms check valve；
There are one the retaining lugs 65 for being more than through-hole diameter, the sealing column core lower ends for the sealing column core lower end tool
Being passed down through through-hole makes retaining lugs be fixed on the tubular shell outside boss, and makes the sealing cover of the sealing column core hypomere
64 plates are just adapted with the valve seat, and the check valve is by seal valve seat 13 and covers the sealing on ring packing valve seat
Cover board is formed；The seal cover board 64 coordinates with retaining lugs 65 fixes sealing column core on tubular shell boss 15；
It is equipped with and through-hole and reservoir on the tubular shell contacted in the retaining lugs or with retaining lugs
Bleed-off passage；
The sealing column core is located at through-hole inside points and coordinates with via clearance, and the aspirating hole is the sealing column
Gap between core and through-hole；
The sealing column core is made into integration for elastic plastic material；The sealing column core further includes：
Hollow display cavity 61 is arranged on the sealing column in-core place near to the upper end；
Air inlet 62 is arranged on the sealing column core lower face；
Air guide channel 63 is arranged on sealing column in-core, and display cavity is connected with air inlet；
The piston 3 is arranged in chamber, can be moved back and forth along chamber；It is a ring piston lid that Open Side Down,
The cylindrical outer surface lower end of the ring piston lid is equipped with seal groove, is equipped with and tubular shell chamber inner wall in the seal groove
The sealing ring 4 of surface hermetic seal；The limiting knot for limiting the movement of ring piston lid is equipped in the upper end of the tubular shell
Structure.3 middle part of piston is equipped with piston air vent 31.
Resetting spring 5, is located between piston and cavity bottom；
The vacuum of the present embodiment is substantially the same manner as Example 1, is not repeating herein.
As the improvement of above-mentioned two embodiment, as shown in figures 1 to 6, piston upper surface corresponds to the position of sealing column core
A recess portion is formed down, the upper end of the sealing column core is located in the recess portion, in this way, the height of sealing column core is higher than
The height of piston upper surface can prevent from during transport or storage, touching sealing column core, influence its leakproofness.It is living
The recess portion of plug lower surface forms holding part, can be with fixed piston and the spring position of cavity bottom, while improves piston in chamber
The guidance quality that interior pumps.
As the improvement of above-mentioned two embodiment, sealing column core epimere of the invention and stage casing can also be all continuous small
The reverse taper (continuous diameter-changing body) of taper；For purposes of illustration only, existing illustrate：
When the length in sealing column core epimere and stage casing is 15 millimeters, the piston air vent for being used to deflate and seal on piston is straight
When diameter is 5 millimeters (for purposes of illustration only, not considering piston thickness, similarly hereinafter), sealing column core is 5.1 millimeters of epimere upper end diameter, in
The reverse taper that section lower end diameter is 4.9 millimeters.It is seal section in this way, when piston operates in 5.1-5 millimeters of sections, and operates in
Then it is deflation section during 5-4.9 millimeters of sections.
In above-described embodiment, sealing column core and piston deflation pore size are merely illustrative, and are illustrated not as feasibility.
Embodiment 3
Figure 11 is the structure applied on container side Vacuuming structure and container body is coordinated to form vacuum fresh-retaining container
Schematic diagram, wherein, aspirating hole is connected in container by air guide channel 9.The vacuum of the present embodiment is basic with embodiment 1
It is identical, it is not repeating herein.
Embodiment 4
Figure 12 is that the structure that Vacuuming structure applies on container side and coordinate container body to form vacuum fresh-retaining container is shown
It is intended to, wherein, aspirating hole and the vacuum that the present embodiment is directly connected in container are substantially the same manner as Example 1, herein not
It is repeating.
Claims (11)
1. a kind of Vacuuming structure, for being arranged on container with the air in evacuation container, which is characterized in that including：
Tubular shell, is provided with the chamber of opening upwards on the tubular shell, and cavity bottom is equipped with being connected in container
Aspirating hole；
Piston is arranged in chamber, can be along chamber axially reciprocating；Piston side and chamber surfaces hermetic seal；Described
The piston air vent for deflating and sealing is equipped in the middle part of piston,
Resetting spring is located between piston and cavity bottom；
Sealing column core, lower end are arranged on cavity bottom, and upper end is threaded through upwards in piston air vent；Wherein, sealing column core, tool
Have：
Epimere is seal section, and the piston air vent with operating in this section forms hermetic seal；
Stage casing, for deflation section, the piston air vent with operating in this section forms deflation structure；
Hypomere, has and is radially provided with the seal cover board being adapted with aspirating hole, and the seal cover board coordinates shape with aspirating hole
Into check valve；
Wherein, the motion process of the Vacuuming structure includes：
Deflation course：
When external force is applied on piston, piston downlink in chamber from top dead centre along the seal section of sealing column core, piston is deflated
Hole and the seal section hermetic seal of sealing column core, closed check valve, the indoor air of chamber are compressed；
When piston continues traveling downwardly deflation section in chamber under external force, compressed air is tied by deflating in chamber
Structure is discharged, and deflation course is completed；
Pumping process：
When external force removes, when piston leaves deflation section along seal section uplink under action of reset spring, piston air vent with it is close
The seal section hermetic seal of Feng Zhuxin, check valve are opened under gas pressure, and the air in container is to chamber indoor moveable；
When piston runs to top dead centre, the seal section hermetic seal of piston air vent and sealing column core, closed check valve was evacuated
Journey is completed.
2. Vacuuming structure as described in claim 1, which is characterized in that the sealing column core is elastic plastic material one
It is made；The sealing column core further includes：
Hollow display cavity is arranged on the sealing column in-core place near to the upper end；
Air inlet is arranged on the sealing column core below seal cover board and aspirating hole or reservoir；
Air guide channel is arranged on sealing column in-core, and display cavity is connected with air inlet；
When the pressure in container is less than the pressure outside tubular shell, volume reduces the display cavity under pressure, with
Sealing column core upper end is made to generate flexible deformation downwards；It is described when the pressure in container is equal to the pressure outside tubular shell
Sealing column core upper surface returns to original state under flexible deformation effect.
3. Vacuuming structure as described in claim 1, which is characterized in that the sealing column core side chamber bottom to
On be provided with ring packing valve seat；The aspirating hole is arranged between sealing column core and ring packing valve seat；The sealing
Cover board is adapted with ring packing valve seat；The check valve is by seal valve seat and covers the seal cover board on ring packing valve seat
It is formed.
4. Vacuuming structure as described in claim 1, which is characterized in that correspond to sealing column core in the piston upper surface
Position has been formed down a recess portion, and the upper end of the sealing column core is located in the recess portion.
5. Vacuuming structure as described in claim 1, which is characterized in that the cavity bottom center is upwardly formed one
Boss, is equipped with the through-hole with reservoir in the middle part of the boss, and boss upper surface is equipped with ring packing valve seat；
The sealing column core is made into integration for elastic plastic material；The sealing column core lower end tool is straight there are one through-hole is more than
The retaining lugs of diameter, the sealing column core lower end, which is passed down through through-hole, makes retaining lugs be fixed on the tubular shell outside boss
On, and the seal cover board of the sealing column core hypomere is made just to be adapted with the ring packing valve seat, described is unidirectional
Valve is by ring packing valve seat and covers the seal cover board on ring packing valve seat and is formed；The seal cover board is matched with retaining lugs
It closes and fixes sealing column core on tubular shell boss；
The pumping with through-hole and reservoir is equipped on the tubular shell contacted in the retaining lugs or with retaining lugs
Gas channel；
The sealing column core is located at through-hole inside points and via clearance and coordinates, the aspirating hole for the sealing column core with
Gap between through-hole；
The sealing column core further includes：
Hollow display cavity is arranged on the sealing column in-core place near to the upper end；
Air inlet is arranged on the sealing column core lower face；
Air guide channel is arranged on sealing column in-core, and display cavity is connected with air inlet；
When the pressure in container is less than the pressure outside tubular shell, volume reduces the display cavity under pressure, with
Sealing column core upper end is made to generate flexible deformation downwards；It is described when the pressure in container is equal to the pressure outside tubular shell
Sealing column core upper surface returns to original state under flexible deformation effect.
6. Vacuuming structure as described in claim 1, which is characterized in that the sealing column core is elastic plastic material one
It is made；Wherein,
The epimere of the sealing column core and stage casing are a continuous diameter-changing body, and the epimere of sealing column core at least corresponds to piston top dead center
The diameter at place is more than piston deflation bore dia, and the diameter that the stage casing of sealing column core is at least corresponded at piston lower dead center is put less than piston
Hole diameter；Or,
The stage casing of the sealing column core is a continuous diameter-changing body, and the stage casing of sealing column core at least corresponds to straight at piston lower dead center
Diameter is less than piston deflation bore dia.
7. Vacuuming structure as described in claim 1, which is characterized in that the piston is a ring piston that Open Side Down
Lid, the cylindrical outer surface lower end of the ring piston lid are equipped with seal groove, are equipped with and tubular shell chamber in the seal groove
The sealing ring of inner wall surface hermetic seal；The limiting for limiting the movement of ring piston lid is equipped in the upper end of the tubular shell
Structure.
8. a kind of sealing column core, which is characterized in that the sealing column core includes：
Epimere is seal section, and the piston air vent with operating in this section forms hermetic seal；
Stage casing, deflation section, the piston air vent with operating in this section form deflation structure；
Hypomere, has the seal cover board of radially setting, and the seal cover board coordinates shape with the aspirating hole or seal valve seat being adapted to
Into check valve；
Deflation structure is one section of diameter-changing body being arranged on sealing column core；Wherein, the diameter-changing body upper end and deflation bore dia
Quite, which is less than deflation bore dia.
9. sealing column core as claimed in claim 8, which is characterized in that the sealing column core is one system of elastic plastic material
Into；The sealing column core includes：
Hollow display cavity is arranged on the sealing column in-core place near to the upper end；
Air inlet is arranged on the sealing column core below seal cover board；
Air guide channel is arranged on sealing column in-core, and display cavity is connected with air inlet.
10. a kind of vacuum fresh-retaining container, including container body, which is characterized in that setting is just like claim 1 on the container body
To the Vacuuming structure described in 7 any claims；Wherein, a part of the tubular shell for container body, the pumping
Stomata is directly connected in container or is connected by air guide channel.
11. a kind of vacuum refreshing lid, including cover, which is characterized in that setting is just like claim 1 to 7 times in the cover
Vacuuming structure described in one claim；Wherein, a part of the tubular shell for cover, the aspirating hole and lid
It directly connects or is connected by air guide channel in vivo.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418037.5A CN106043936B (en) | 2016-06-14 | 2016-06-14 | Vacuuming structure, vacuum refreshing lid and vacuum fresh-retaining container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610418037.5A CN106043936B (en) | 2016-06-14 | 2016-06-14 | Vacuuming structure, vacuum refreshing lid and vacuum fresh-retaining container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106043936A CN106043936A (en) | 2016-10-26 |
| CN106043936B true CN106043936B (en) | 2018-06-29 |
Family
ID=57167449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610418037.5A Active CN106043936B (en) | 2016-06-14 | 2016-06-14 | Vacuuming structure, vacuum refreshing lid and vacuum fresh-retaining container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106043936B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106865017A (en) * | 2017-04-24 | 2017-06-20 | 珠海先河生物技术有限公司 | Vacuum can |
| CN113310773A (en) * | 2021-07-15 | 2021-08-27 | 深圳卫十生物科技有限公司 | Be used for cosmetics heavy metal detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878965A (en) * | 1974-05-13 | 1975-04-22 | Stant Mfg Co | Pressure-vacuum relief vehicle radiator cap with free-turning shell |
| CN2316275Y (en) * | 1997-07-15 | 1999-04-28 | 尹维振 | Sealed pot with vacuum state can being viewed by visualization |
| CN201198387Y (en) * | 2008-01-31 | 2009-02-25 | 魏宏华 | Vacuum bottle stopper |
| CN205257009U (en) * | 2015-12-01 | 2016-05-25 | 东莞市伊米利雅电器有限公司 | Vacuum refreshing jar |
| CN205931771U (en) * | 2016-06-14 | 2017-02-08 | 陈林 | Vacuum structure , vacuum refreshing lid, sealed post core and vacuum refreshing container |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004276921A (en) * | 2003-03-12 | 2004-10-07 | Guritto:Kk | Heat insulating cup with lid |
-
2016
- 2016-06-14 CN CN201610418037.5A patent/CN106043936B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3878965A (en) * | 1974-05-13 | 1975-04-22 | Stant Mfg Co | Pressure-vacuum relief vehicle radiator cap with free-turning shell |
| CN2316275Y (en) * | 1997-07-15 | 1999-04-28 | 尹维振 | Sealed pot with vacuum state can being viewed by visualization |
| CN201198387Y (en) * | 2008-01-31 | 2009-02-25 | 魏宏华 | Vacuum bottle stopper |
| CN205257009U (en) * | 2015-12-01 | 2016-05-25 | 东莞市伊米利雅电器有限公司 | Vacuum refreshing jar |
| CN205931771U (en) * | 2016-06-14 | 2017-02-08 | 陈林 | Vacuum structure , vacuum refreshing lid, sealed post core and vacuum refreshing container |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106043936A (en) | 2016-10-26 |
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