CN106043936A - Vacuumizing structure, vacuum refreshing cover and vacuum refreshing container - Google Patents
Vacuumizing structure, vacuum refreshing cover and vacuum refreshing container Download PDFInfo
- Publication number
- CN106043936A CN106043936A CN201610418037.5A CN201610418037A CN106043936A CN 106043936 A CN106043936 A CN 106043936A CN 201610418037 A CN201610418037 A CN 201610418037A CN 106043936 A CN106043936 A CN 106043936A
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- Prior art keywords
- sealing column
- piston
- column core
- core
- container
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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
In order to solve the problems of complex structure and the like of the prior art, the invention discloses a vacuumizing structure, a vacuum refreshing cover and a vacuum refreshing container. The vacuum refreshing cover comprises a cylindrical shell, a piston, a reset spring and a sealing column core, wherein the cylindrical shell is provided with a cavity with an upward opening, the piston is arranged in the cavity and can reciprocate in the axial direction of the cavity, the reset spring is arranged between the piston and the bottom of the cavity, the lower end of the sealing column core is arranged at the bottom of the cavity, and the upper end of the sealing column core upwards penetrates into a piston air-bleed hole. By adoption of the structure, the piston is pressed or released to reciprocate in the cavity in the cylindrical shell, and therefore air is extracted from the container to achieve vacuum; and especially the sealing column core of the special structure is adopted, multiple functions of sealing, vacuum display and the like are integrated, and the advantages of simple structure, good sealing effect, convenient use and the like are achieved.
Description
Technical field
The present invention relates to food vacuum preservation device, particularly relate to a kind of vacuum refreshing lid and vacuum fresh-retaining container.
Background technology
It is known that common cup, tank or bowl are hoarding food, owing to foodstuff surface and air contact surfaces are relatively big, easily
Play Oxidation and affect food fresh-keeping, the situation of food spoilage even can occur.In especially tangible hot summer, people are usual
Food is put in Antistaling container, extend the fresh keeping time of food.But, at present, the guarantor of the Antistaling container that market is sold
Fresh principle is all to make food be isolated from the outside, and pollutes and diatery supplement to reduce.It not vacuum due to vessel, nuisance in remaining air
Food still can play certain corrosiveness, thus fresh keeping time will not be oversize, fresh-keeping quality is the most unreliable.
Also occur in that some vacuum fresh-keeping pots for this, generally use single drawing and pulling type vacuum pump to coordinate freshness-retaining tank to realize taking out
Vacuum, this structure intermediate pump and freshness-retaining tank are split type, need each individually to deposit, and use and operate inconvenience, right
Operator has certain requirement.Also there is the vacuum crisper of some Integral designs, but its structure is complex, volume is relatively big, no
It is suitable for promoting the use of.
Summary of the invention
For overcoming drawbacks described above, it is an object of the invention to provide a kind of simple in construction, easy for operation, sealing effectiveness
Good vacuum refreshing lid and vacuum fresh-retaining container.
The Vacuuming structure of the present invention, for arranging or install on container with the air in evacuation container, including:
Tubular shell, is provided with the chamber of opening upwards on described tubular shell, cavity bottom be provided with in container
The aspirating hole of connection；
Piston, is arranged in chamber, can be along chamber axially reciprocating；Piston week side with chamber surfaces hermetic seal；Institute
It is provided with for venting and the piston air vent of sealing in the middle part of the piston stated,
Back-moving spring, is located between piston and cavity bottom；
Sealing column core, its lower end is arranged on cavity bottom, and upper end is upwards located in piston air vent；Wherein, sealing column
Core, has:
Epimere, for seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, for venting section, forms deflation structure with the piston air vent operating in this section；
Hypomere, has and is radially arranged the seal cover board suitable with aspirating hole, and described seal cover board is joined with aspirating hole
Close and form check valve；
Wherein, the motor process of described Vacuuming structure includes:
Deflation course:
When external force is applied on piston, piston from top dead centre along the seal section of sealing column core in chamber descending, piston
Air vent and the seal section hermetic seal of sealing column core, closed check valve, the air in chamber is compressed；
Time when piston continues traveling downwardly under external force in chamber to venting section, in chamber, compressed air is passed through
Deflation structure obtains release, and deflation course completes；
Pumping process:
When external force removes, piston leave under action of reset spring venting section along seal section up time, 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, piston air vent and the seal section hermetic seal of sealing column core, closed check valve, take out
Gas process completes.
It is made into integration it is also preferred that the left described sealing column core is elastic plastic material；Described sealing column core also includes:
Hollow display chamber, is arranged on described 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, is connected with air inlet in display chamber；
When the pressure in container is less than the pressure outside tubular shell, described display chamber volume under pressure subtracts
It is little, so that sealing column core upper surface produces downwards elastic deformation；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 elastic deformation effect.
It is also preferred that the left described sealing column core week side chamber bottom set up ring packing valve seat；Described takes out
Pore is arranged between sealing column and ring packing valve seat；Described seal cover board is suitable with ring packing valve seat；Described
Check valve is formed by seal valve seat and the seal cover board covered on ring packing valve seat.
It is also preferred that the left be formed down a recess in the position of described piston upper surface correspondence sealing column core, described is close
The upper end of Feng Zhuxin is positioned at described recess.
It is also preferred that the left described cavity bottom center is upwardly formed a boss, it is provided with in the middle part of described boss and holds
The through hole of device connection, boss upper surface is provided with ring packing valve seat；
Described sealing column core is that elastic plastic material is made into integration；Described sealing column core lower end has one more than logical
The retaining lugs of bore dia, described sealing column core lower end is passed down through the cylindrical case that through hole makes retaining lugs be fixed on outside boss
On body, and making the seal cover board of described sealing column core hypomere just suitable with described valve seat, described check valve is by close
Envelope valve seat and the seal cover board covered on ring packing valve seat are formed；Described seal cover board coordinates sealing column with retaining lugs
Core fixes on tubular shell boss；
It is provided with and through hole and reservoir on the tubular shell contacted in described retaining lugs or with retaining lugs
Bleed-off passage；
Described sealing column core is positioned at through hole part and coordinates with via clearance, and described aspirating hole is described sealing column
Gap between core and through hole；
Described sealing column core is that elastic plastic material is made into integration；Described sealing column core also includes:
Hollow display chamber, is arranged on described sealing column in-core place near to the upper end；
Air inlet, is arranged on described sealing column core lower surface；
Air guide channel, is arranged on sealing column in-core, is connected with air inlet in display chamber；
When the pressure in container is less than the pressure outside tubular shell, described display chamber volume under pressure subtracts
It is little, so that sealing column core upper surface produces downwards elastic deformation；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 elastic deformation effect.
It is made into integration it is also preferred that the left described sealing column core is elastic plastic material；Wherein,
The epimere of described sealing column core and stage casing are a continuous diameter-changing body, at least corresponding piston of the epimere of sealing column core
Diameter at stop is more than piston air vent diameter, and the diameter at least corresponding piston lower dead center in the stage casing of sealing column core is less than living
Plug air vent diameter；Or,
The stage casing of described sealing column core is a continuous diameter-changing body, at least corresponding piston lower dead center in the stage casing of sealing column core
Diameter less than piston air vent diameter.
It is also preferred that the left described piston is a ring piston lid that Open Side Down, the cylindrical outer surface of described ring piston lid
Lower end is provided with seal groove, is provided with and the sealing ring of tubular shell chamber inner wall surface hermetic seal in described seal groove；Described
The upper end of tubular shell be provided with the position limiting structure for limiting the motion of ring piston lid.
For reaching above-mentioned purpose, the sealing column core of the present invention, including:
Epimere, for seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, section of exitting, form deflation structure with the piston air vent operating in this section；
Hypomere, has the seal cover board being radially arranged, and described seal cover board is joined with adaptive aspirating hole or seal valve seat
Close and form check valve.
It is made into integration it is also preferred that the left described sealing column core is elastic plastic material；Described sealing column core includes:
Hollow display chamber, is arranged on described 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, is connected with air inlet in display chamber；
When the pressure in container is less than the pressure outside tubular shell, described display chamber volume under pressure subtracts
It is little, so that sealing column core upper surface produces downwards elastic deformation；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 elastic deformation effect.
It is also preferred that the left the epimere of described sealing column core and stage casing are a continuous diameter-changing body, the epimere of sealing column core is the most right
Answer diameter at piston top dead center more than piston air vent diameter, straight at least corresponding piston lower dead center in the stage casing of sealing column core
Footpath is less than piston air vent diameter；Or,
The stage casing of described sealing column core is a continuous diameter-changing body, at least corresponding piston lower dead center in the stage casing of sealing column core
Diameter less than piston air vent diameter.
It is also preferred that the left described fixed part is the retaining lugs that sealing column core lower end is radially arranged, described retaining lugs with
Described seal cover board interval is arranged.
For reaching above-mentioned purpose, the vacuum refreshing lid of the present invention or vacuum fresh-retaining container, including a lid or container body, institute
Above-mentioned Vacuuming structure it is provided with on the lid stated or container body；Wherein, described tubular shell is lid or container body
A part, described aspirating hole is directly connected with in container or is connected by air guide channel..
Use said structure, press or unclamp piston, making piston chamber in tubular shell move reciprocatingly, thus from
Air is extracted out, to reach vacuum, especially with the sealing column core of special construction so that it is collection seals, vacuum shows in container
Multifunctional centralized one, has simple in construction, good sealing effect, the advantage such as easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Structural representation when Fig. 2 is that in embodiment illustrated in fig. 1, piston is operated in downwards seal section by External Force Acting.
Fig. 3 is that in embodiment illustrated in fig. 2, piston is continued to operate in downwards structural representation during venting section by External Force Acting
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
Structural representation.
Fig. 5 is in embodiment illustrated in fig. 4, and piston runs to structural representation during top dead centre under action of reset spring.
Fig. 6 is the structural representation of another embodiment of the present invention；
Fig. 7 is the package assembly schematic diagram of Vacuuming structure in embodiment illustrated in fig. 6.
Fig. 8 is the structural representation 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 structural representation of sealing column core；
Figure 11 is the structural representation of the embodiment of the present invention 3；
Figure 12 is the structural representation of the embodiment of the present invention 4.
Detailed description of the invention
Term " epimere " alleged by the present invention, " stage casing ", " hypomere ", all represent relative position relationship, do not wrap
Include absolute numerical relation.
The present invention is described further with embodiment below in conjunction with the accompanying drawings.
The Vacuuming structure of the present invention, as it is shown in figure 9, include tubular shell 1, is provided with out on described tubular shell 1
Mouth chamber upwards, cavity bottom is provided with and the aspirating hole 7 connected in container；
Piston 3, is arranged in chamber, can be along chamber axially reciprocating；Piston week side with chamber surfaces hermetic seal；Institute
It is provided with for venting and the piston air vent of sealing in the middle part of the piston stated,
Back-moving spring 5, is located between piston and cavity bottom.
Sealing column core 6, its lower end is arranged on cavity bottom, and upper end is upwards located in piston air vent；Wherein, sealing column
Core, has: as shown in Figure 10,
Epimere A, for seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing B, for venting section, forms deflation structure with the piston air vent operating in this section；
Hypomere C, has and is radially arranged the seal cover board suitable with aspirating hole, and described seal cover board is joined with aspirating hole
Close and form check valve；
Wherein, the motor process of described Vacuuming structure includes:
Deflation course:
When external force is applied on piston, piston from top dead centre along the seal section of sealing column core in chamber descending, piston
Air vent and the seal section hermetic seal of sealing column core, closed check valve, the air in chamber is compressed；
When piston continues traveling downwardly venting section under external force in chamber, in chamber, compressed air is by putting
Depressed structure obtains release, and deflation course completes；
Pumping process:
When external force removes, piston leave under action of reset spring venting section along seal section up time, 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, piston air vent and the seal section hermetic seal of sealing column core, closed check valve, take out
Gas process completes.
As the improvement of above-mentioned Vacuuming structure, described sealing column core 6 is made into integration for elastic plastic material；Described
Sealing column core also includes: hollow display chamber 61, is arranged on described sealing column in-core place near to the upper end；Air inlet 62, is arranged on close
With aspirating hole or reservoir on sealing column core below capping plate；Air guide channel 63, is arranged on sealing column in-core, will show chamber
It is connected with air inlet；After increasing said structure, when becoming vacuum in container, display chamber volume under pressure reduces,
So that sealing column core upper surface produces downwards a certain amount of elastic deformation, consequently facilitating intuitively arrive this deformation, in order to make
User understands this change.
Embodiment 1
The course of action figure of the structural representation of Fig. 1 to Fig. 5 the present embodiment.
As shown in Figures 1 to 5, the Vacuuming structure of the present embodiment is applied on lid, comprising:
Tubular shell (lid) 1, is provided with the chamber of opening upwards on described tubular shell, cavity bottom be provided with
The aspirating hole 5 of connection in container；
Piston 3, is arranged in chamber, can be along chamber axially reciprocating；3 weeks sides of piston are by sealing ring 4 and chamber table
Face hermetic seal；It is provided with for venting and the piston air vent of sealing in the middle part of described piston,
Back-moving spring 5, is located between piston 4 and cavity bottom；
Sealing column core 6, its lower end is arranged on cavity bottom, and upper end is upwards located in piston air vent；Wherein, sealing column
Core, has:
Epimere, for seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, for venting section, forms deflation structure with the piston air vent operating in this section；Deflation structure in Fig. 1 is
One one section of diameter-changing body being arranged on sealing column core；Wherein, this diameter-changing body upper end is suitable with air vent diameter, under this diameter-changing body
End is less than air vent diameter.Certainly this deflation structure can also be to be axially disposed within the air bleed slot in sealing column core stage casing or exit logical
Road etc..
Hypomere, has and is radially arranged the seal cover board suitable with aspirating hole, and described seal cover board is joined with aspirating hole
Close and form check valve；
Wherein, described sealing column core 6 is made into integration for elastic plastic material；Described sealing column core also includes:
Hollow display chamber 61, is arranged on described 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, is connected with air inlet in display chamber；
The motor process of above-mentioned Vacuuming structure is as follows:
When Vacuuming structure covers on container, the sealing ring 2 of Vacuuming structure and upper vessel portion opening are at External Force Acting
Lower formation hermetic seal；Now, the air pressure inside and outside container is suitable, as shown in Figure 1.
When external force is applied on piston 3, as in figure 2 it is shown, piston 3 from top dead centre along the seal section of sealing column core at chamber
Interior descending, piston air vent and epimere (seal section) hermetic seal of sealing column core 6, closed check valve, the air in chamber is pressed
Contracting；
When piston 3 continues traveling downwardly venting section (diameter-changing body section) under external force in chamber, as it is shown on figure 3, chamber
Indoor compressed air obtains release by the deflation structure in sealing column core stage casing, and deflation course completes；
When external force removes, piston 3 back-moving spring 5 act under leave venting section along seal section up time, piston exit
Hole and the seal section hermetic seal of sealing column core, check valve is opened under gas pressure, and the partial air in container is by bleeding
Hole is pumped in chamber by piston；When piston 3 runs to top dead centre, piston air vent and the seal section hermetic seal of sealing column core,
Closed check valve, pumping process completes.Now, the pressure outside the pressure of container starts less than tubular shell.Now show that chamber exists
Pressure effect lower volume reduces, so that sealing column core upper surface produces downwards a certain amount of elastic deformation.
Repeating said process, the air in container understands being drawn out of of a little, forms vacuum；And sealing column core upper end towards
Lower product elastic deformation is more substantially as it is shown in figure 5, until Vacuuming structure completes predetermined vacuum requirement.
Embodiment 2
Fig. 6 to Fig. 8 show the Vacuuming structure of the present embodiment and applies on lid and coordinate tank body to form vacuum freshness retaining
The structural representation of tank.
Vacuum fresh-keeping pot as shown in Figure 6, including tank body 7 and the Vacuuming structure 1 covered on tank body, Vacuuming structure 1
Sealed by sealing gasket 2 with tank body 7.
The tubular shell 11 of Vacuuming structure is provided with the chamber 12 of opening upwards；Described cavity bottom centre bit
Putting and be upwardly formed a boss 15, boss 15 center is provided with the aspirating hole 14 with reservoir, the boss around aspirating hole
15 upper surfaces are provided with ring packing valve seat 13；
Described sealing column core 6 is made into integration for elastic plastic material；Wherein, sealing column core, have:
Epimere, for seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, for venting section, forms deflation structure with the piston air vent operating in this section；Deflation structure in Fig. 1 is
One one section of diameter-changing body being arranged on sealing column core；Wherein, this diameter-changing body upper end is suitable with air vent diameter, under this diameter-changing body
End is less than air vent diameter.Certainly this deflation structure can also be to be axially disposed within the air bleed slot in sealing column core stage casing or exit logical
Road etc..
Hypomere, has and is radially arranged the seal cover board suitable with aspirating hole, and described seal cover board is joined with aspirating hole
Close and form check valve；
Described sealing column core lower end has a retaining lugs 65 more than through-hole diameter, described sealing column core lower end
Being passed down through through hole makes retaining lugs be fixed on the tubular shell outside boss, and makes the sealing lid of described sealing column core hypomere
64 plates are just suitable with described valve seat, and described check valve is by seal valve seat 13 and the sealing covered on ring packing valve seat
Cover plate is formed；Described seal cover board 64 coordinates the fixing of sealing column core with retaining lugs 65 on tubular shell boss 15；
It is provided with and through hole and reservoir on the tubular shell contacted in described retaining lugs or with retaining lugs
Bleed-off passage；
Described sealing column core is positioned at 6 through hole parts and coordinates with via clearance, and described aspirating hole is described sealing
Gap between post core and through hole；
Described sealing column core is that elastic plastic material is made into integration；Described sealing column core also includes:
Hollow display chamber 61, is arranged on described sealing column in-core place near to the upper end；
Air inlet 62, is arranged on described sealing column core lower surface；
Air guide channel 63, is arranged on sealing column in-core, is connected with air inlet in display chamber；
Described piston 3 is arranged in chamber, can move back and forth along chamber；It is a ring piston lid that Open Side Down,
The cylindrical outer surface lower end of described ring piston lid is provided with seal groove, is provided with and tubular shell chamber inner wall in described seal groove
The sealing ring 4 of surface hermetic seal；The spacing knot for limiting the motion of ring piston lid it is provided with in the upper end of described tubular shell
Structure.It is provided with piston air vent 31. in the middle part of described piston 3
Back-moving 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 at this.
As the improvement of above-mentioned two embodiment, as shown in figures 1 to 6, the position of piston upper surface correspondence sealing column core
Being formed down a recess, the upper end of described sealing column core is positioned at described recess, and so, the height of sealing column core is higher than
The height of piston upper surface, is possible to prevent, during transport or depositing, to touch sealing column core, affect its sealing.Live
The recess of plug lower surface defines holding part, can improve piston in chamber with the spring position of fixed piston Yu cavity bottom simultaneously
The guidance quality that indoor pump.
Little as all right all continuous print in the improvement of above-mentioned two embodiment, the sealing column core epimere of the present invention and stage casing
The reverse taper (continuous diameter-changing body) of tapering；Illustrate for purposes of illustration only, existing:
When sealing column core epimere and a length of 15 millimeters of stage casing, straight for venting and the piston air vent sealed on piston
(for purposes of illustration only, do not consider piston thickness, lower same) when footpath is 5 millimeters, sealing column core is epimere upper end diameter 5.1 millimeters, in
Section lower end diameter is the reverse taper of 4.9 millimeters.So, when piston operates in 5.1-5 millimeter section, for seal section, and operate in
During 5-4.9 millimeter section, then for venting section.
In above-described embodiment, sealing column core and piston air vent size are merely illustrative, and illustrate not as feasibility.
Embodiment 3
Figure 11 is the structure that Vacuuming structure is applied on container side and coordinated container body form vacuum fresh-retaining container
Schematic diagram, wherein, aspirating hole is connected by air guide channel 9 with in container.The vacuum of the present embodiment is basic with embodiment 1
Identical, do not repeating at this.
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
Being intended to, wherein, aspirating hole is substantially the same manner as Example 1, at this not with the vacuum directly connecting the present embodiment in container
Repeating.
Claims (10)
1. a Vacuuming structure, for arranging or install on container with the air in evacuation container, it is characterised in that including:
Tubular shell, is provided with the chamber of opening upwards on described tubular shell, and cavity bottom is provided with and connects with in container
Aspirating hole；
Piston, is arranged in chamber, can be along chamber axially reciprocating；Piston week side with chamber surfaces hermetic seal；Described
It is provided with for venting and the piston air vent of sealing in the middle part of piston,
Back-moving spring, is located between piston and cavity bottom；
Sealing column core, its lower end is arranged on cavity bottom, and upper end is upwards located in piston air vent；Wherein, sealing column core, tool
Have:
Epimere, for seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, for venting section, forms deflation structure with the piston air vent operating in this section；
Hypomere, has and is radially arranged the seal cover board suitable with aspirating hole, and described seal cover board coordinates shape with aspirating hole
Become check valve；
Wherein, the motor process of described Vacuuming structure includes:
Deflation course:
When external force is applied on piston, piston from top dead centre along the seal section of sealing column core in chamber descending, piston exit
Hole and the seal section hermetic seal of sealing column core, closed check valve, the air in chamber is compressed；
When piston continues traveling downwardly venting section under external force in chamber, in chamber, compressed air is tied by venting
Structure obtains release, and deflation course completes；
Pumping process:
When external force removes, piston leave under action of reset spring venting section along seal section up time, piston air vent is with close
The seal section hermetic seal of Feng Zhuxin, check valve is opened under gas pressure, and the air in container is to chamber indoor moveable；
When piston runs to top dead centre, piston air vent and the seal section hermetic seal of sealing column core, closed check valve, bled
Journey completes.
2. Vacuuming structure as claimed in claim 1, it is characterised in that described sealing column core is elastic plastic material one
Make；Described sealing column core also includes:
Hollow display chamber, is arranged on described 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, is connected with air inlet in display chamber；
When the pressure in container is less than the pressure outside tubular shell, described display chamber volume under pressure reduces, with
Sealing column core upper surface is made to produce downwards elastic deformation；When the pressure in container is equal to the pressure outside tubular shell, described
Sealing column core upper surface returns to original state under elastic deformation effect.
3. Vacuuming structure as claimed in claim 1, it is characterised in that described sealing column core week side chamber bottom to
On be provided with ring packing valve seat；Described aspirating hole is arranged between sealing column and ring packing valve seat；Described sealing lid
Plate is suitable with ring packing valve seat；Described check valve is by seal valve seat and the seal cover board shape covered on ring packing valve seat
Become.
4. Vacuuming structure as claimed in claim 1, it is characterised in that at described piston upper surface correspondence sealing column core
Position has been formed down a recess, and the upper end of described sealing column core is positioned at described recess.
5. Vacuuming structure as claimed in claim 1, it is characterised in that described cavity bottom center is upwardly formed
Boss, is provided with the through hole with reservoir in the middle part of described boss, and boss upper surface is provided with ring packing valve seat；
Described sealing column core is that elastic plastic material is made into integration；Described sealing column core lower end have one more than through hole straight
The retaining lugs in footpath, described sealing column core lower end is passed down through the tubular shell that through hole makes retaining lugs be fixed on outside boss
On, and making the seal cover board of described sealing column core hypomere just suitable with described valve seat, described check valve is by sealing
Valve seat and the seal cover board covered on ring packing valve seat are formed；Described seal cover board coordinates sealing column core with retaining lugs
Fix on tubular shell boss；
It is provided with on the tubular shell contacted in described retaining lugs or with retaining lugs and the taking out of through hole and reservoir
Gas passage；
Described sealing column core be positioned at through hole part coordinates with via clearance, described aspirating hole be described sealing column core and
Gap between through hole；
Described sealing column core is that elastic plastic material is made into integration；Described sealing column core also includes:
Hollow display chamber, is arranged on described sealing column in-core place near to the upper end；
Air inlet, is arranged on described sealing column core lower surface；
Air guide channel, is arranged on sealing column in-core, is connected with air inlet in display chamber；
When the pressure in container is less than the pressure outside tubular shell, described display chamber volume under pressure reduces, with
Sealing column core upper surface is made to produce downwards elastic deformation；When the pressure in container is equal to the pressure outside tubular shell, described
Sealing column core upper surface returns to original state under elastic deformation effect.
6. Vacuuming structure as claimed in claim 1, it is characterised in that described sealing column core is elastic plastic material one
Make；Wherein,
The epimere of described sealing column core and stage casing are a continuous diameter-changing body, at least corresponding piston top dead center of the epimere of sealing column core
The diameter at place is more than piston air vent diameter, and the diameter at least corresponding piston lower dead center in the stage casing of sealing column core is put less than piston
Hole diameter；Or,
The stage casing of described sealing column core is a continuous diameter-changing body, straight at least corresponding piston lower dead center in the stage casing of sealing column core
Footpath is less than piston air vent diameter.
7. Vacuuming structure as claimed in claim 1, it is characterised in that described piston is a ring piston that Open Side Down
Lid, the cylindrical outer surface lower end of described ring piston lid is provided with seal groove, is provided with and tubular shell chamber in described seal groove
The sealing ring of inner wall surface hermetic seal；It is provided with in the upper end of described tubular shell for limiting the spacing of ring piston lid motion
Structure.
8. a sealing column core, it is characterised in that described sealing column core includes:
Epimere, for seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, section of exitting, form deflation structure with the piston air vent operating in this section；
Hypomere, has the seal cover board being radially arranged, and described seal cover board coordinates shape with adaptive aspirating hole or seal valve seat
Become check valve.
9. sealing column core as claimed in claim 8, it is characterised in that described sealing column core is elastic plastic material one system
Become；Described sealing column core includes:
Hollow display chamber, is arranged on described 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, is connected with air inlet in display chamber；
When the pressure in container is less than the pressure outside tubular shell, described display chamber volume under pressure reduces, with
Sealing column core upper surface is made to produce downwards elastic deformation；When the pressure in container is equal to the pressure outside tubular shell, described
Sealing column core upper surface returns to original state under elastic deformation effect.
10. vacuum refreshing lid or a vacuum fresh-retaining container, including a lid or container body, it is characterised in that described lid
Or arrange on container body just like the Vacuuming structure described in claim 1 to 7 any claim；Wherein, described cylindrical case
Body is a part for lid or container body, and described aspirating hole is directly connected with in container or connected by air guide channel.
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 true CN106043936A (en) | 2016-10-26 |
| CN106043936B 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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2018196375A1 (en) * | 2017-04-24 | 2018-11-01 | 魏宏华 | Vacuum canister |
| 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 |
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| CN2316275Y (en) * | 1997-07-15 | 1999-04-28 | 尹维振 | Sealed pot with vacuum state can being viewed by visualization |
| JP2004276921A (en) * | 2003-03-12 | 2004-10-07 | Guritto:Kk | Heat insulating cup with lid |
| 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 |
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| 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 |
| JP2004276921A (en) * | 2003-03-12 | 2004-10-07 | Guritto:Kk | Heat insulating cup with lid |
| 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 |
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| WO2018196375A1 (en) * | 2017-04-24 | 2018-11-01 | 魏宏华 | Vacuum canister |
| US10968025B2 (en) | 2017-04-24 | 2021-04-06 | Thankhot Biotechnology Co., Ltd. | Vacuum canister |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106043936B (en) | 2018-06-29 |
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