CN206707963U - Vacuum suction device - Google Patents
Vacuum suction device Download PDFInfo
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- CN206707963U CN206707963U CN201621238338.1U CN201621238338U CN206707963U CN 206707963 U CN206707963 U CN 206707963U CN 201621238338 U CN201621238338 U CN 201621238338U CN 206707963 U CN206707963 U CN 206707963U
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- cylinder barrel
- piston
- air extraction
- annular groove
- extraction space
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Abstract
The utility model discloses a kind of vacuum suction device, including cylinder barrel and the piston that is slidably matched in cylinder barrel with the cylinder barrel；The cylinder barrel surrounds an air extraction space with piston；Bleeding point is provided with the cylinder barrel or the piston；The bleeding point connects with the air extraction space；The arc outer wall of the piston or the arc inner wall of cylinder barrel are provided with annular groove, and sealing ring is provided with the annular groove；The gas outlet with ft connection is provided with the lower arcuate surface of the annular groove, the annular groove is provided with change connected in star in the side wall away from the air extraction space；When the pressure in the cylinder barrel is more than external pressure, the sealing ring connects to the deformation groove variations, the gas outlet with air extraction space；When the pressure in the cylinder barrel is less than external pressure, sealing ring is pressed in annular groove in the side wall of air extraction space by external pressure, and sealing ring is by the clearance seal between the arc inner wall of cylinder barrel and the arc outer wall of piston.The utility model is light compact, practical and convenient, cheap.
Description
Technical field
It the utility model is related to a kind of vacuum suction device.
Background technology
During the preservation of present food and medicinal material, in order to avoid food and medicinal material and the gas in air, particulate matter
Or bacterium contacts and putrid and deteriorated situation occurs, generally require that food will be preserved and the container of medicinal material carry out vacuumize process,
Air, particulate matter and the bacterium that can be removed first in container are so done, these materials can be avoided to be contacted with food or medicinal material；
Secondly, even if the air, particulate matter or the bacterium that have part to remain, do not have when these materials are causing food or medicinal material corruption yet
Enough air or other depleting substances, so as to contain the corruption of food or medicine.
The currently used method vacuumized has two kinds, and one kind is to dissipate air using heating, then seals container,
The air pressure in container can be just set to be far smaller than external pressure after cooling, this mode can make shape in container to a certain extent
Into negative pressure, but its negative pressure is not very big, it is impossible to which container needs when thoroughly avoiding the corruption of food or medicinal material, also, heating
Bear high temperature, the food and medicinal material in container will also bear high temperature, and the article for that should not bear high temperature is to handle
's.Another kind is that container is vacuumized using vavuum pump, and the ability that vavuum pump vacuumizes is strong and applied widely, still,
The price of vavuum pump is higher, and volume, weight are all larger.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of light cheap vacuum suction device.
To reach above-mentioned purpose, the utility model vacuum suction device, including cylinder barrel and being slided in cylinder barrel with the cylinder barrel
The dynamic piston coordinated；The cylinder barrel surrounds an air extraction space with piston；Bleeding point is provided with the cylinder barrel or the piston；
The bleeding point connects with the air extraction space；
The arc outer wall of the piston or the arc inner wall of cylinder barrel are provided with annular groove, and sealing is provided with the annular groove
Circle；The gas outlet with ft connection, side of the annular groove away from the air extraction space are provided with the lower arcuate surface of the annular groove
Change connected in star is provided with wall；When the pressure in the cylinder barrel is more than external pressure, the sealing ring is to the change connected in star
Deformation, the gas outlet connects with air extraction space；When the pressure in the cylinder barrel is less than external pressure, external pressure will seal
Circle is pressed in annular groove in the side wall of air extraction space, and sealing ring is by between the arc inner wall of cylinder barrel and the arc outer wall of piston
Gap seals.
Further, the bleeding point includes being arranged on piston away from cylinder barrel one end open cavity, the open cavity
Open side is provided with sealing gasket, the passage that the bottom of the open cavity connects with the air extraction space.
Further, the bleeding point includes being arranged on pumping through hole of the cylinder barrel away from piston one end and being arranged on taking out
The outer peripheral sealing gasket of vent hole.
Further, it is provided with back-moving spring between one end and piston away from the piston of the cylinder barrel；It is described closed
The bottom of cavity is provided with bolt hole, and the one end of the cylinder body away from piston is provided with tapped blind hole, worn in the bolt hole
Provided with caging bolt, the caging bolt coordinates with the tapped blind hole；When the nut of the caging bolt and the opening are empty
During the bottom contact of chamber, the spring is in former long status.
Further, the gas outlet is the outlet groove for the lower arcuate surface for being arranged on the annular groove, the outlet groove
Connected with the change connected in star.
Further, the side of the piston towards the air extraction space is provided with spring groove, the bottom plate court of the cylinder barrel
The side of the air extraction space is provided with spring groove, the both ends of the back-moving spring are separately positioned on the spring groove and cylinder of piston
In the spring groove of cylinder.
The utility model docks with the check valve of the outside conducting of the air outlet slit of container when in use, by bleeding point, when
When compression piston and cylinder barrel, when the pressure in the cylinder barrel is more than external pressure, air extraction space diminishes, and the sealing ring is to described
Groove variations are deformed, the gas outlet connects with air extraction space；When stretching piston and cylinder barrel, air extraction space becomes big, the cylinder
When pressure in cylinder is less than external pressure, sealing ring is pressed in annular groove in the side wall of air extraction space by external pressure, sealing ring
By the clearance seal between the arc inner wall of cylinder barrel and the arc outer wall of piston.Above-mentioned action repeatedly, can be by container
Air is extracted out, makes to form vacuum in container.Vacuum suction device of the present utility model relies solely on piston, cylinder barrel and sealing ring
Interaction can be realized as vacuumizing, cheap；The part of vacuum suction device of the present utility model is few, small volume, just
It is practical and convenient in carrying.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of preferred structure of the utility model vacuum suction device；
Fig. 2 is the structural representation of the cooperation of the piston and sealing ring in Fig. 1；
Fig. 3 is Fig. 2 F-F sectional views.
Embodiment
The utility model is further described with reference to Figure of description.
Embodiment 1
As Figure 1-3, the present embodiment provides a kind of vacuum suction device, including cylinder barrel 1 and in cylinder barrel 1 with the cylinder
The piston 2 that cylinder 1 is slidably matched；The cylinder barrel 1 surrounds an air extraction space with piston 2；Bleeding point is provided with the piston 2；
The bleeding point connects with the air extraction space；
The arc outer wall of the piston 2 is provided with annular groove, and sealing ring 3 is provided with the annular groove；The arc of the annular groove
The gas outlet with ft connection is provided with bottom surface, the annular groove is provided with change connected in star in the side wall away from the air extraction space
22；When the pressure in the cylinder barrel 1 is more than external pressure, the sealing ring 3 deforms to the change connected in star 22, the outlet
Mouth connects with air extraction space；When the pressure in the cylinder barrel 1 is less than external pressure, sealing ring 3 is pressed in annular groove by external pressure
In the side wall of air extraction space, sealing ring 3 is by the clearance seal between the arc outer wall of the arc inner wall of cylinder barrel 1 and piston 2.
The gas outlet is the outlet groove 21 for the lower arcuate surface for being arranged on the annular groove, the outlet groove 21 with it is described
Become connected in star 22 to connect.
The bleeding point is set including being arranged on piston 2 away from the one end open cavity of cylinder barrel 1, the open side of the open cavity
It is equipped with sealing gasket 4, the passage that the bottom of the open cavity connects with the air extraction space.
The cylinder barrel 1 is provided with back-moving spring 6 between one end and piston 2 away from the piston 2；The closed cavity
Bottom is provided with bolt hole, and the one end of the cylinder body away from piston 2 is provided with tapped blind hole, worn in the bolt hole limited
Position bolt 7, the caging bolt 7 coordinate with the tapped blind hole；Nut and the open cavity when the caging bolt 7
When bottom contacts, the spring is in former long status.
The side of piston 2 towards the air extraction space is provided with spring groove, and the bottom plate of the cylinder barrel 1 is taken out described in
The side of headroom is provided with spring groove, and the both ends of the back-moving spring 6 are separately positioned on the spring groove and cylinder barrel 1 of piston 2
In spring groove.
The present embodiment docks with the check valve of the outside conducting of the air outlet slit of container when in use, by bleeding point, works as pressure
When contracting piston 2 and cylinder barrel 1, when the pressure in the cylinder barrel 1 is more than external pressure, air extraction space diminishes, and the sealing ring 3 is to institute
State change connected in star 22 to deform, the gas outlet connects with air extraction space；When stretching piston 2 and cylinder barrel 1, air extraction space becomes big,
When pressure in the cylinder barrel 1 is less than external pressure, sealing ring 3 is pressed in side wall of the annular groove close to air extraction space by external pressure
On, sealing ring 3 is by the clearance seal between the arc outer wall of the arc inner wall of cylinder barrel 1 and piston 2.Above-mentioned action repeatedly, energy
Enough air by container are extracted out, make to form vacuum in container.The vacuum suction device of the present embodiment relies solely on piston 2, cylinder
The interaction of cylinder 1 and sealing ring 3 can be realized as vacuumizing, cheap；The part of the vacuum suction device of the present embodiment
It is few, small volume, it is easy to carry, it is practical and convenient.
Because the present embodiment is provided with spring, cylinder barrel 1 is pressed downward with hand, gas is released, after unclamping hand, the elastic force meeting of spring
Pop up cylinder barrel 1, when cylinder barrel 1 pops up, the pressure in air extraction space reduces, and meeting gas bleeding from container, treats
After the motion of cylinder barrel 1 stops, cylinder barrel 1 is pressed again, so repeatedly, can be by vacuum state in container.
In the present embodiment, the setting of gas outlet and gas outlet and outside mode of communicating are a kind of preferable side
Formula, it is not meant to that the setting of gas outlet only has a kind of this mode, does not also represent gas outlet and there was only this with outside mode of communicating
It is a kind of.For example, gas outlet is also an option that the setting deflation blind hole in the lower arcuate surface of annular groove, through hole is set in piston 2, led to
Hole connects deflation blind hole and outside.
Embodiment 2
The present embodiment provides a kind of vacuum suction device, including cylinder barrel and the work that is slidably matched in cylinder barrel with the cylinder barrel
Plug；The cylinder barrel surrounds an air extraction space with piston；Bleeding point is provided with the piston；The bleeding point and the pumping
Space connects；
The arc inner wall of the cylinder barrel is provided with annular groove, and sealing ring is provided with the annular groove；The arcuate bottom of the annular groove
The gas outlet with ft connection is provided with face, the annular groove is provided with change connected in star in the side wall away from the air extraction space；
When the pressure in the cylinder barrel is more than external pressure, the sealing ring is to the deformation groove variations, and the gas outlet is with taking out
Headroom connects；When the pressure in the cylinder barrel is less than external pressure, sealing ring is pressed in annular groove close to pumping by external pressure
In the side wall in space, sealing ring is by the clearance seal between the arc inner wall of cylinder barrel and the arc outer wall of piston.
The gas outlet is the outlet blind hole for the lower arcuate surface for being arranged on the annular groove, is provided with the side wall of the cylinder barrel
Connect outlet blind hole and outside through hole.
The bleeding point includes being arranged on piston away from cylinder barrel one end open cavity, the open side setting of the open cavity
There are sealing gasket, the passage that the bottom of the open cavity connects with the air extraction space.
The cylinder barrel is provided with back-moving spring between one end and piston away from the piston；The bottom of the closed cavity
Bolt hole is provided with, the one end of the cylinder body away from piston is provided with tapped blind hole, limited location spiral shell is worn in the bolt hole
Bolt, the caging bolt coordinate with the tapped blind hole；When the bottom of the nut and the open cavity of the caging bolt connects
When touching, the spring is in former long status.
The side of the piston towards the air extraction space is provided with spring groove, and the bottom plate of the cylinder barrel is towards the pumping
The side in space is provided with spring groove, and the both ends of the back-moving spring are separately positioned on the spring groove of piston and the spring groove of cylinder barrel
It is interior.
The present embodiment and the difference of embodiment 1 are annular groove being arranged on the inwall of cylinder barrel, and the present embodiment
Gas outlet be arranged to outlet blind hole, outlet blind hole can realize phase by through hole and ft connection, the present embodiment with embodiment 1
Same effect.
Embodiment 3
The present embodiment provide a kind of vacuum suction device, vacuum suction device, including cylinder barrel and in cylinder barrel with the cylinder
The piston that cylinder is slidably matched；The cylinder barrel surrounds an air extraction space with piston；Bleeding point is provided with the cylinder barrel；It is described to take out
Gas port connects with the air extraction space；
The arc outer wall of the piston or the arc inner wall of cylinder barrel are provided with annular groove, and sealing is provided with the annular groove
Circle；The gas outlet with ft connection, side of the annular groove away from the air extraction space are provided with the lower arcuate surface of the annular groove
Change connected in star is provided with wall；When the pressure in the cylinder barrel is more than external pressure, the sealing ring is to the change connected in star
Deformation, the gas outlet connects with air extraction space；When the pressure in the cylinder barrel is less than external pressure, external pressure will seal
Circle is pressed in annular groove in the side wall of air extraction space, and sealing ring is by between the arc inner wall of cylinder barrel and the arc outer wall of piston
Gap seals.
In the present embodiment, bleeding point is arranged on cylinder body, and annular groove, sealing ring, gas vent and gas vent and outside
Mode of communicating can choose technology in embodiment 1 or choose technical characteristic in embodiment 2.
More than, preferred embodiment only of the present utility model, but the scope of protection of the utility model is not limited thereto, and is appointed
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model discloses
Change, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claim
The protection domain defined is defined.
Claims (6)
- A kind of 1. vacuum suction device, it is characterised in that：The piston being slidably matched including cylinder barrel and in cylinder barrel with the cylinder barrel； The cylinder barrel surrounds an air extraction space with piston；Bleeding point is provided with the cylinder barrel or the piston；The bleeding point with The air extraction space connection；The arc outer wall of the piston or the arc inner wall of cylinder barrel are provided with annular groove, and sealing ring is provided with the annular groove；Institute The gas outlet being provided with the lower arcuate surface of annular groove with ft connection is stated, the annular groove is set in the side wall away from the air extraction space It is equipped with change connected in star；When the pressure in the cylinder barrel is more than external pressure, the sealing ring is to the deformation groove variations, institute Gas outlet is stated to connect with air extraction space；When the pressure in the cylinder barrel is less than external pressure, sealing ring is pressed in by external pressure For annular groove in the side wall of air extraction space, sealing ring is close by the gap between the arc inner wall of cylinder barrel and the arc outer wall of piston Envelope.
- 2. vacuum suction device as claimed in claim 1, it is characterised in that：The bleeding point includes being arranged on piston away from cylinder barrel One end open cavity, the open side of the open cavity are provided with sealing gasket, and the bottom of the open cavity and the pumping are empty Between the passage that connects.
- 3. vacuum suction device as claimed in claim 1, it is characterised in that：The bleeding point is remote including being arranged on the cylinder barrel The pumping through hole of piston one end and be arranged on pumping the outer peripheral sealing gasket of through hole.
- 4. vacuum suction device as claimed in claim 2, it is characterised in that：The cylinder barrel one end and piston away from the piston Between be provided with back-moving spring；The bottom of the closed cavity is provided with bolt hole, and the one end of the cylinder body away from piston is set Tapped blind hole is equipped with, caging bolt is equipped with the bolt hole, the caging bolt coordinates with the tapped blind hole；When described When the nut of caging bolt contacts with the bottom of the open cavity, the spring is in former long status.
- 5. vacuum suction device as claimed in claim 1, it is characterised in that：The gas outlet is the arc for being arranged on the annular groove The outlet groove of bottom surface, the outlet groove connect with the change connected in star.
- 6. vacuum suction device as claimed in claim 4, it is characterised in that：The side of the piston towards the air extraction space is set It is equipped with spring groove, the side of bottom plate towards the air extraction space of the cylinder barrel is provided with spring groove, and the two of the back-moving spring End is separately positioned in the spring groove of piston and the spring groove of cylinder barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621238338.1U CN206707963U (en) | 2016-11-18 | 2016-11-18 | Vacuum suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621238338.1U CN206707963U (en) | 2016-11-18 | 2016-11-18 | Vacuum suction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206707963U true CN206707963U (en) | 2017-12-05 |
Family
ID=60471434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621238338.1U Active CN206707963U (en) | 2016-11-18 | 2016-11-18 | Vacuum suction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206707963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949037A (en) * | 2017-04-11 | 2017-07-14 | 陈林 | Vacuum suction device |
-
2016
- 2016-11-18 CN CN201621238338.1U patent/CN206707963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949037A (en) * | 2017-04-11 | 2017-07-14 | 陈林 | Vacuum suction device |
| CN106949037B (en) * | 2017-04-11 | 2019-06-18 | 陈林 | Vacuum suction device |
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| GR01 | Patent grant |