CN205931771U - Vacuum structure , vacuum refreshing lid, sealed post core and vacuum refreshing container - Google Patents
Vacuum structure , vacuum refreshing lid, sealed post core and vacuum refreshing container Download PDFInfo
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- CN205931771U CN205931771U CN201620572741.1U CN201620572741U CN205931771U CN 205931771 U CN205931771 U CN 205931771U CN 201620572741 U CN201620572741 U CN 201620572741U CN 205931771 U CN205931771 U CN 205931771U
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Abstract
The utility model discloses a vacuum structure, vacuum refreshing lid, sealed post core and vacuum refreshing container. Invent for solving the complicated scheduling problem of prior art structure. Vacuum refreshing lid including the tube -shape casing the tube -shape casing on be provided with the ascending cavity of opening, the piston sets up in the cavity, can follow cavity reciprocating axially, reset spring establishes between piston and cavity bottom, sealed post core, its lower extreme set up in the cavity bottom, and the upper end makes progress and wears to establish in the piston air vent, adopt above -mentioned structure, press and move or loosen the piston, make the cavity of piston in the tube -shape casing be reciprocating motion to take the air out from the container in, in order to reach the vacuum, especially adopt special construction's sealed post core, make multi -functional collection such as its collection is sealed, vacuum demonstration integrative, have simple structure, seal up advantage such as effectual, convenient to use.
Description
Technical field
The utility model is related to food vacuum preservation device, more particularly, 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, because foodstuff surface is larger with air contact surfaces, easily
Play oxidation and affect food fresh-keeping, or even the situation of food spoilage can occur.In especially really hot summer, people are usual
Food is put in Antistaling container, to extend the fresh keeping time of food.But, at present, the guarantor of the Antistaling container that market is sold
Fresh principle is all so that food is isolated from the outside, to reduce pollution and diatery supplement.Because vessel are not vacuum, remaining in the air nuisance
Still certain corrosiveness can be played to food, thus fresh keeping time will not be oversize, fresh-keeping quality is also unreliable.
Also occur in that some vacuum fresh-keeping pots for this, generally realize taking out using single drawing and pulling type vavuum pump cooperation freshness-retaining tank
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 larger, no
It is suitable for promoting the use of.
Utility model content
For overcoming drawbacks described above, the purpose of this utility model is to provide that a kind of structure is simple, easy for operation, sealing
The good vacuum refreshing lid of effect and vacuum fresh-retaining container.
Vacuuming structure of the present utility model, for arranging or installing 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 container in
The aspirating hole of connection；
Piston, is arranged within the chamber, can be along chamber axially reciprocating；Piston the week side of boss and chamber surfaces hermetic seal；Institute
It is provided with the piston air vent for exitting and seal 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 located in piston air vent upwards；Wherein, sealing column
Core, has：
Epimere, is seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, for section of exitting, forms deflation structure with the piston air vent operating in this section；
Hypomere, is had and is radially arranged the seal cover board being adapted with aspirating hole, and described seal cover board is joined with aspirating hole
Close and form check valve；
Wherein, the motion process of described Vacuuming structure includes：
Deflation course：
When external force is applied on piston, piston is descending within the chamber along the seal section of sealing column core from top dead centre, piston
Air vent and the seal section hermetic seal of sealing column core, closed check valve, the air of within the chamber is compressed；
When piston under external force when within the chamber continues traveling downwardly to venting section when, within the 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 when, 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 flows within the chamber；
When piston runs to top dead centre, the seal section hermetic seal of piston air vent and sealing column core, closed check valve, take out
Gas process completes.
Preferably, described sealing column core is made into integration for elastic plastic material；Described sealing column core also includes：
Hollow shows chamber, is arranged on described sealing column in-core place near to the upper end；
Air inlet, be arranged on the sealing column core below seal cover board with aspirating hole or reservoir；
Air guide channel, is arranged on sealing column in-core, and display chamber is connected with air inlet；
When the pressure in container be less than tubular shell outside pressure when, volume subtracts under pressure in described display chamber
Little, the generation elastic deformation so that sealing column core upper end faces down；When the pressure in container be equal to tubular shell outside pressure when, institute
The sealing column core upper surface stated returns to original state under elastic deformation effect.
Preferably, the chamber bottom in described sealing column core the week side of boss has 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 adapted with ring packing valve seat；Described
Check valve by seal valve seat and covers the seal cover board on ring packing valve seat and is formed.
Preferably, being formed down a recess in the position of the corresponding sealing column core of described piston upper surface, described is close
The upper end of Feng Zhuxin is located in described recess.
Preferably, described cavity bottom center is upwardly formed a boss, it is provided with 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 made into integration for elastic plastic material；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 through hole makes retaining lugs be fixed on the cylindrical case outside boss
On body, and the seal cover board of described sealing column core hypomere is made just to be adapted with described valve seat, described check valve is by close
Envelope valve seat and the seal cover board covering on ring packing valve seat are formed；Described seal cover board is coordinated sealing column with retaining lugs
Core fixes on tubular shell boss；
It is provided with and through hole and reservoir on the tubular shell being contacted in described retaining lugs or with retaining lugs
Bleed-off passage；
Described sealing column core is located at through hole interior part and is coordinated with via clearance, and described aspirating hole is described sealing column
Gap between core and through hole；
Described sealing column core is made into integration for elastic plastic material；Described sealing column core also includes：
Hollow shows 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, and display chamber is connected with air inlet；
When the pressure in container be less than tubular shell outside pressure when, volume subtracts under pressure in described display chamber
Little, the generation elastic deformation so that sealing column core upper end faces down；When the pressure in container be equal to tubular shell outside pressure when, institute
The sealing column core upper surface stated returns to original state under elastic deformation effect.
Preferably, described sealing column core is made into integration for elastic plastic material；Wherein,
The described epimere of sealing column core and stage casing are a continuous diameter-changing body, at least corresponding piston of epimere of sealing column core
Exitting bore dia with diameter greater than piston at stop, the diameter at least corresponding piston lower dead center in the stage casing of sealing column core is less than lives
Plug venting bore dia；Or,
The stage casing of described sealing column core is a continuous diameter-changing body, at least corresponding piston lower dead center in stage casing of sealing column core
Diameter be less than piston exit bore dia.
Preferably, 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 the sealing ring with the surface hermetic seal of tubular shell chamber inner wall in described seal groove；Described
Tubular shell upper end be provided with for limit ring piston lid motion position limiting structure.
For reaching above-mentioned purpose, sealing column core of the present utility model, including：
Epimere, is 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 the aspirating hole being adapted to or seal valve seat
Close and form check valve.
Preferably, described sealing column core is made into integration for elastic plastic material；Described sealing column core includes：
Hollow shows 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, and display chamber is connected with air inlet；
When the pressure in container be less than tubular shell outside pressure when, volume subtracts under pressure in described display chamber
Little, the generation elastic deformation so that sealing column core upper end faces down；When the pressure in container be equal to tubular shell outside pressure when, institute
The sealing column core upper surface stated returns to original state under elastic deformation effect.
Preferably, the described epimere of sealing column core and stage casing are a continuous diameter-changing body, the epimere of sealing column core is at least right
Answer exitting bore dia with diameter greater than piston at piston top dead center, straight at least corresponding piston lower dead center in the stage casing of sealing column core
Footpath is less than piston venting bore dia；Or,
The stage casing of described sealing column core is a continuous diameter-changing body, at least corresponding piston lower dead center in stage casing of sealing column core
Diameter be less than piston exit bore dia.
Preferably, the retaining lugs that described fixed part is radially arranged for sealing column core lower end, described retaining lugs with
Described seal cover board interval setting.
For reaching above-mentioned purpose, vacuum refreshing lid of the present utility model or vacuum fresh-retaining container, including a lid or container
Body, described lid or container body are provided with above-mentioned Vacuuming structure；Wherein, described tubular shell is lid or container
A part for body, described aspirating hole is directly connected with container or is connected by air guide channel..
Using said structure, press or unclamp piston, so that chamber in tubular shell for the piston is moved reciprocatingly, thus from
Air is extracted out, to reach vacuum, the sealing column core especially with special construction is so as to collection sealing, vacuum show in container
Multifunctional centralized one, has the advantages that structure is simple, good sealing effect, easy to use.
Brief description
Fig. 1 is the structural representation of an embodiment of the present utility model.
Fig. 2 is that in embodiment illustrated in fig. 1, piston is subject to external force effect to operate in downwards structural representation during seal section.
Fig. 3 is that in embodiment illustrated in fig. 2, piston is subject to external force effect to continue to operate in downwards structural representation during venting section
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 that in embodiment illustrated in fig. 4, 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 utility model；
Fig. 7 is the assembly structure 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.
Specific embodiment
In the utility model, alleged term " epimere ", " stage casing ", " hypomere ", all represent relative position relationship, especially
Do not include absolute numerical relation.
With reference to the accompanying drawings and examples the utility model is described further.
Vacuuming structure of the present utility model, as shown in figure 9, including tubular shell 1, is arranged on described tubular shell 1
There is the chamber of opening upwards, cavity bottom is provided with and the aspirating hole 7 connecting in container；
Piston 3, is arranged within the chamber, can be along chamber axially reciprocating；Piston the week side of boss and chamber surfaces hermetic seal；Institute
It is provided with the piston air vent for exitting and seal 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 located in piston air vent upwards；Wherein, sealing column
Core, has：As shown in Figure 10,
Epimere A, is seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing B, for section of exitting, forms deflation structure with the piston air vent operating in this section；
Hypomere C, is had and is radially arranged the seal cover board being adapted with aspirating hole, and described seal cover board is joined with aspirating hole
Close and form check valve；
Wherein, the motion process of described Vacuuming structure includes：
Deflation course：
When external force is applied on piston, piston is descending within the chamber along the seal section of sealing column core from top dead centre, piston
Air vent and the seal section hermetic seal of sealing column core, closed check valve, the air of within the chamber is compressed；
When piston continues traveling downwardly venting section within the chamber under external force, within the chamber compressed air is passed through to put
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 when, 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 flows within the chamber；
When piston runs to top dead centre, the seal section hermetic seal of piston air vent and 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 shows 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, volume reduces under pressure in display chamber,
A certain amount of elastic deformation of generation so that sealing column core upper end faces down, consequently facilitating be intuitive to see 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, and it includes：
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 within the chamber, can be along chamber axially reciprocating；Piston 3 the week side of boss passes through sealing ring 4 and chamber table
Face hermetic seal；It is provided with the piston air vent for exitting and seal 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 located in piston air vent upwards；Wherein, sealing column
Core, has：
Epimere, is seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, for section of exitting, 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 venting bore dia, under this diameter-changing body
End is less than venting bore dia.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, is had and is radially arranged the seal cover board being adapted 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 shows chamber 61, is arranged on described sealing column in-core place near to the upper end；
Air inlet 62, be arranged on the sealing column core below seal cover board with aspirating hole or reservoir；
Air guide channel 63, is arranged on sealing column in-core, and display chamber is connected with air inlet；
The motion process of above-mentioned Vacuuming structure is as follows：
When Vacuuming structure covers on container, sealing ring 2 and the upper vessel portion opening of Vacuuming structure are used in outer masterpiece
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 shown in Fig. 2 piston 3 from top dead centre along the seal section of sealing column core in chamber
Interior descending, epimere (seal section) hermetic seal of piston air vent and sealing column core 6, closed check valve, the air of within the chamber is pressed
Contracting；
When piston 3 continues traveling downwardly venting section (diameter-changing body section) within the chamber under external force, as shown in 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 effect under leave venting section along seal section up when, 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 passes through pumping
Hole is pumped within the chamber by piston；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 completes.Now, the pressure of container starts the pressure outside less than tubular shell.Now show that chamber exists
Pressure effect lower volume reduces, a certain amount of elastic deformation of generation so that sealing column core upper end faces down.
Repeat said process, the air in container understands being drawn out of of a little, form vacuum；And sealing column core upper end towards
Lower product elastic deformation is also more and more substantially as shown in figure 5, until Vacuuming structure completes predetermined vacuum requirement.
Embodiment 2
The Vacuuming structure that Fig. 6 to Fig. 8 show the present embodiment is applied on lid and coordinates 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 with cover the Vacuuming structure 1 on tank body, Vacuuming structure 1
Sealed by sealing gasket 2 with tank body 7.
The chamber 12 of opening upwards is provided with the tubular shell 11 of Vacuuming structure；Described cavity bottom centre bit
Put 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, has：
Epimere, is seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, for section of exitting, 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 venting bore dia, under this diameter-changing body
End is less than venting bore dia.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, is had and is radially arranged the seal cover board being adapted 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 being 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 closure of described sealing column core hypomere
64 plates are just adapted with described valve seat, and described check valve by seal valve seat 13 and covers the sealing on ring packing valve seat
Cover plate is formed；Described seal cover board 64 and retaining lugs 65 coordinate the fixing of sealing column core on tubular shell boss 15；
It is provided with and through hole and reservoir on the tubular shell being contacted in described retaining lugs or with retaining lugs
Bleed-off passage；
Described sealing column core is located at 6 through hole interior parts and is coordinated with via clearance, and described aspirating hole is described sealing
Gap between post core and through hole；
Described sealing column core is made into integration for elastic plastic material；Described sealing column core also includes：
Hollow shows 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, and display chamber is connected with air inlet；
Described piston 3 is arranged within the 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；It is provided with the spacing knot for limiting the motion of ring piston lid 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, and here is not repeating.
As the improvement of above-mentioned two embodiment, as shown in figures 1 to 6, the position of the corresponding sealing column core of piston upper surface
It has been formed down a recess, the upper end of described sealing column core is located in described recess, and so, the height of sealing column core is higher than
The height of piston upper surface, can prevent from, during transport or depositing, touching sealing column core, affecting its sealing.Live
The recess of plug lower surface defines holding part, can improve piston in chamber with the spring position of fixed piston and cavity bottom simultaneously
The guidance quality that interior pumps.
As the improvement of above-mentioned two embodiment, sealing column core epimere of the present utility model and stage casing can also be all continuous
Small Taper reverse taper (continuous diameter-changing body)；For purposes of illustration only, existing illustrate：
When the length in sealing column core epimere and stage casing is 15 millimeters, piston is used for venting and the piston air vent of sealing is straight
Footpath is when 5 millimeters (for purposes of illustration only, not considering piston thickness, similarly hereinafter), and sealing column core is 5.1 millimeters of epimere upper end diameter, in
Section lower end diameter is 4.9 millimeters of reverse taper.So, when piston operates in 5.1-5 millimeter section, it is seal section, and operates in
During 5-4.9 millimeter section, then for section of exitting.
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 applying Vacuuming structure on container side and coordinating container body to form vacuum fresh-retaining container
Schematic diagram, wherein, aspirating hole is connected by air guide channel 9 with container.The vacuum of the present embodiment is basic with embodiment 1
Identical, here is not repeating.
Embodiment 4
Figure 12 applies on container side for Vacuuming structure and coordinates the structure that container body forms vacuum fresh-retaining container to show
It is intended to, wherein, aspirating hole is substantially the same manner as Example 1 with the vacuum directly connecting the present embodiment in container, and here is not
Repeating.
Claims (10)
1. a kind of Vacuuming structure, for arranging or installing 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 container
Aspirating hole；
Piston, is arranged within the chamber, can be along chamber axially reciprocating；Piston the week side of boss and chamber surfaces hermetic seal；Described
It is provided with the piston air vent for exitting and seal 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 located in piston air vent upwards；Wherein, sealing column core, tool
Have：
Epimere, is seal section, forms hermetic seal with the piston air vent operating in this section；
Stage casing, for section of exitting, forms deflation structure with the piston air vent operating in this section；
Hypomere, is had and is radially arranged the seal cover board being adapted with aspirating hole, and described seal cover board coordinates shape with aspirating hole
Become check valve；
Wherein, the motion process of described Vacuuming structure includes：
Deflation course：
When external force is applied on piston, piston is descending within the chamber along the seal section of sealing column core from top dead centre, and piston is exitted
Hole and the seal section hermetic seal of sealing column core, closed check valve, the air of within the chamber is compressed；
When piston continues traveling downwardly venting section within the chamber under external force, within the 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 when, piston air vent with close
The seal section hermetic seal of Feng Zhuxin, check valve is opened under gas pressure, and the air in container flows within the chamber；
When piston runs to top dead centre, the seal section hermetic seal of piston air vent and sealing column core, closed check valve, it was evacuated
Journey completes.
2. Vacuuming structure as claimed in claim 1 is it is characterised in that described sealing column core is elastic plastic material one
Make；Described sealing column core also includes：
Hollow shows chamber, is arranged on described sealing column in-core place near to the upper end；
Air inlet, be arranged on the sealing column core below seal cover board with aspirating hole or reservoir；
Air guide channel, is arranged on sealing column in-core, and display chamber is connected with air inlet；
During pressure outside the pressure in container is less than tubular shell, volume reduces under pressure for described display chamber, with
Sealing column core upper end is made to face down generation elastic deformation；When the pressure in container be equal to tubular shell outside pressure when, 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 the week side of boss 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 closure
Plate is adapted with ring packing valve seat；Described check valve by seal valve seat and covers the closure plate shape on ring packing valve seat
Become.
4. Vacuuming structure as claimed in claim 1 is it is characterised in that correspond to sealing column core in described piston upper surface
Position has been formed down a recess, and the upper end of described sealing column core is located in described recess.
5. Vacuuming structure as claimed in claim 1 is it is characterised in that described cavity bottom center is upwardly formed one
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 integrated to be made；It is convex that described sealing column core lower end has a fixation being more than through-hole diameter
Portion, described sealing column core lower end is passed down through through hole makes retaining lugs be fixed on the tubular shell outside boss, and makes described
The seal cover board of sealing column core hypomere be just adapted with described valve seat, described check valve is by seal valve seat and Gai Huan
Seal cover board on shape seal valve seat is formed；Described seal cover board is fixed sealing column core in cylindrical case with retaining lugs cooperation
On body boss；
It is provided with the tubular shell being contacted in described retaining lugs or with retaining lugs and the taking out of through hole and reservoir
Gas passage；
Described sealing column core is located at through hole interior part and via clearance and coordinates, described aspirating hole be described sealing column core with
Gap between through hole；
Described sealing column core is made into integration for elastic plastic material；Described sealing column core also includes：
Hollow shows 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, and display chamber is connected with air inlet；
During pressure outside the pressure in container is less than tubular shell, volume reduces under pressure for described display chamber, with
Sealing column core upper end is made to face down generation elastic deformation；When the pressure in container be equal to tubular shell outside pressure when, described
Sealing column core upper surface returns to original state under elastic deformation effect.
6. Vacuuming structure as claimed in claim 1 is it is characterised in that described sealing column core is elastic plastic material one
Make；Wherein,
The described epimere of 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
Exit bore dia with diameter greater than piston in place, 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 stage casing of sealing column core
Footpath is less than piston venting bore dia.
7. Vacuuming structure as claimed in claim 1 is 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 for limiting the spacing of ring piston lid motion in the upper end of described tubular shell
Structure.
8. a kind of sealing column core is it is characterised in that described sealing column core includes：
Epimere, is 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 the aspirating hole being adapted to or seal valve seat
Become check valve.
9. a kind of vacuum refreshing lid, including a lid it is characterised in that described lid setting is arbitrary just like claim 1 to 7
Vacuuming structure described in claim；Wherein, described tubular shell is a part for lid or container body, described pumping
Hole is directly connected with container or is connected by air guide channel.
10. a kind of vacuum fresh-retaining container, wants just like right it is characterised in that arranging on described container body including a container body
Seek the Vacuuming structure described in 1 to 7 any claim；Wherein, described tubular shell is a part for lid or container body,
Described aspirating hole is directly connected with container or is connected by air guide channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572741.1U CN205931771U (en) | 2016-06-14 | 2016-06-14 | Vacuum structure , vacuum refreshing lid, sealed post core and vacuum refreshing container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620572741.1U CN205931771U (en) | 2016-06-14 | 2016-06-14 | Vacuum structure , vacuum refreshing lid, sealed post core and vacuum refreshing container |
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| Publication Number | Publication Date |
|---|---|
| CN205931771U true CN205931771U (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620572741.1U Withdrawn - After Issue CN205931771U (en) | 2016-06-14 | 2016-06-14 | Vacuum structure , vacuum refreshing lid, sealed post core and vacuum refreshing container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205931771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043936A (en) * | 2016-06-14 | 2016-10-26 | 陈林 | Vacuumizing structure, vacuum refreshing cover and vacuum refreshing container |
| CN107814084A (en) * | 2017-10-23 | 2018-03-20 | 陈广友 | A kind of sealing container |
-
2016
- 2016-06-14 CN CN201620572741.1U patent/CN205931771U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043936A (en) * | 2016-06-14 | 2016-10-26 | 陈林 | Vacuumizing structure, vacuum refreshing cover and vacuum refreshing container |
| CN106043936B (en) * | 2016-06-14 | 2018-06-29 | 陈林 | Vacuuming structure, vacuum refreshing lid and vacuum fresh-retaining container |
| CN107814084A (en) * | 2017-10-23 | 2018-03-20 | 陈广友 | A kind of sealing container |
| CN107814084B (en) * | 2017-10-23 | 2024-03-22 | 陈广友 | Sealed container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170208 Effective date of abandoning: 20180629 |
|
| AV01 | Patent right actively abandoned |