CN108317108A - A kind of supersonic speed vacuum tube - Google Patents
A kind of supersonic speed vacuum tube Download PDFInfo
- Publication number
- CN108317108A CN108317108A CN201810326672.XA CN201810326672A CN108317108A CN 108317108 A CN108317108 A CN 108317108A CN 201810326672 A CN201810326672 A CN 201810326672A CN 108317108 A CN108317108 A CN 108317108A
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- CN
- China
- Prior art keywords
- negative
- tube
- supersonic speed
- speed vacuum
- vacuum tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
- F04F5/46—Arrangements of nozzles
- F04F5/465—Arrangements of nozzles with supersonic flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
- F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
- F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
- F04F5/20—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The present invention relates to a kind of supersonic speed vacuum tubes, the vacuum tube includes nozzle of air supply, multiple negative tubes and end negative tube, nozzle of air supply and end negative tube are internally provided with gas channel, there are two negative pressure to inhale head piece for setting on the peripheral surface of each negative tube and end negative tube, each negative tube is internally provided with axially extending jet pipe, and the inlet end of the inlet end of end negative tube and each negative tube is respectively arranged with negative pressure cavity；The outlet side of nozzle of air supply and the outlet side of each negative tube are respectively arranged there are two clapper, nozzle of air supply, multiple negative tubes, the head and the tail plug connection successively of end negative tube, corresponding negative pressure is inhaled head piece closing, the corresponding jet pipe connection of each negative pressure cavity by each clapper.The supersonic speed vacuum tube of the present invention can effectively improve the working efficiency of supersonic speed vacuum tube, reduce the energy consumption of supersonic speed vacuum tube, not only facilitated the installation and removal of supersonic speed vacuum tube, but also can effectively reduce the volume of supersonic speed vacuum tube.
Description
Technical field
The present invention relates to vacuum generator technical fields, and in particular to a kind of supersonic speed vacuum tube.
Background technology
Negative pressure generator is to generate negative pressure in certain space by the compressed air that high speed flows into or excludes.China
A kind of gas jet type negative pressure generator of disclosure of the invention and gas jet type negative pressure that patent announcement number is CN102312869B
Adjuster, negative pressure generator are provided with a tapered adjusting rod, the tapered adjusting rod and the spray on spray chamber in ejector
Mouth coordinates, and forms annular spray mouth, and adjust by the relative movement between the nozzle on tapered adjusting rod and spray chamber
The openings of sizes of annular spray mouth；Gas jet type draft regulator is formed based on the program simultaneously.The present invention is by directly adjusting
The aperture of ejector annular spray mouth is saved, energy loss when adjusting is reduced, efficiently controls gas jet mode and generate negative pressure
Size, have negative pressure output under a small amount of power gas.But existing negative pressure generator, which is all single-stage negative-pressure, to be sent out
The shortcomings that raw device, it is low that there are working efficiencies in actual production use, installation trouble and high energy consumption.
Chinese patent notification number is that the patent of CN102713310B discloses a kind of negative pressure generator of compressed air-driven
Or negative pressure fixture, there are at least two vacuum units, wherein each vacuum unit has suction chamber, imports and draw
Suction port in room, from the outflux of suction chamber remittance abroad, at least one imported in outflux between suction port and outflux
Drive air scoop, and the wherein described vacuum unit according at least two different negative pressure occurring principles (venturi principle,
Bernoulli principle, coanda principle, vortex principle, etc.) work.Although the negative pressure generator has multiple negative pressure structure lists
Member, but the negative pressure generator is because can not integrate it, therefore can occupy very large space when use.
Invention content
The purpose of the present invention is to provide a kind of supersonic speed vacuum tubes, and to solve existing vacuum generator, there are work
Efficiency is low, high energy consumption, installs inconvenient and big occupied space problem.
To achieve the above object, the present invention provides a kind of supersonic speed vacuum tube, and the supersonic speed vacuum tube includes into gas blowout
Mouth, multiple negative tubes and end negative tube, the nozzle of air supply and the end negative tube are internally provided with gas channel, each
There are two negative pressure to inhale head piece for setting on the peripheral surface of the negative tube and the end negative tube, is set inside each negative tube
It is equipped with axially extending jet pipe, the inlet end of the end negative tube and each inlet end of the negative tube are respectively arranged with negative
Press chamber；The outlet side of the nozzle of air supply and the outlet side of each negative tube are respectively arranged that there are two clappers, described
Nozzle of air supply, multiple negative tubes, the head and the tail plug connection successively of end negative tube, each clapper is by corresponding institute
It states negative pressure and inhales head piece closing, the corresponding jet pipe connection of each negative pressure cavity.
Preferably, the supersonic speed vacuum tube further includes pressure ring, and the pressure ring is installed on the nozzle of air supply internal gas flow
The air inlet port in channel.
Preferably, the outlet side of the nozzle of air supply and the outlet side of each negative tube are respectively set that there are two positioning
Key is provided with card slot on the positioning key, and the clapper is arranged in the card slot.
Preferably, the internal diameter of air inlet to the gas outlet of the jet pipe and the end negative tube is gradually expanded.
Preferably, the peripheral surface of the nozzle of air supply, multiple negative tubes, end negative tube is equipped with spacing ring.
Preferably, the clapper includes fixed part, elastic portion and closure part, and the fixed part is arranged in the card slot
Interior, the fixed part is connect by the elastic portion with the closure part.
Preferably, the outer surface of the closure part has arc.
Preferably, the clapper is rubber or silica gel material.
The invention has the advantages that：
The supersonic speed vacuum tube of the present invention can effectively improve the work effect of supersonic speed vacuum tube by the way that multiple negative tubes are arranged
Rate reduces the energy consumption of supersonic speed vacuum tube, since the various components of supersonic speed vacuum tube use the connection type of series connection grafting, both
Facilitate the installation and removal of supersonic speed vacuum tube, and the volume of supersonic speed vacuum tube can be effectively reduced.
Description of the drawings
Fig. 1 is that supersonic speed vacuum tube of the present invention is in the structural schematic diagram under decomposing state.
Fig. 2 be Fig. 1 in supersonic speed vacuum tube along axis be rotated by 90 ° after structural schematic diagram.
Fig. 3 is the structural schematic diagram of supersonic speed vacuum tube of the present invention.
Fig. 4 is the cross-sectional view at Fig. 3 moderate supersonic speed vacuum tube tangent lines M-M.
Fig. 5 is the cross-sectional view at Fig. 3 moderate supersonic speed vacuum tube tangent lines l-l.
Fig. 6 is the cross-sectional view at Fig. 3 moderate supersonic speed vacuum tube tangent lines J-J.
Fig. 7 is the cross-sectional view at Fig. 3 moderate supersonic speed vacuum tube tangent lines K-K.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
As illustrated in fig. 1 and 2, which includes 1, three negative tube 2 of nozzle of air supply and end negative tube 3, into
Gas jets 1 are internally provided with the first gas channel 15, and the internal diameter of the first gas channel 15 is from its air inlet to elder generation between gas outlet
Increase after reduction, the air outlet of the first gas channel 15 extends outwardly and the outlet side beyond nozzle of air supply 1.Nozzle of air supply 1
Outlet side be provided with a pair of of positioning key 12, it is preferred that positioning key 12 and nozzle of air supply 1 are integrally formed；Two positioning keys 12
In the both sides of 15 air outlet of the first gas channel, and about the axisymmetrical of nozzle of air supply 1.It is provided with card slot on positioning key 12
13, for card slot 13 for fixing clapper 23, pressure ring 4 is installed on the air inlet port of the first gas channel 15.
In the present embodiment, negative tube 2, i.e. the first negative tube and the second negative tube there are two the settings of supersonic speed vacuum tube,
But the quantity of negative tube is not limited to two, can also be arranged as required to more negative tubes 2.Each negative tube 2
There are two negative pressure to inhale head piece 11 for setting on peripheral surface, and two negative pressure inhale axisymmetrical of the head piece 11 about negative tube 2.Each negative pressure
Pipe 2 is internally provided with axially extending jet pipe 21, and the inlet end of each negative tube 2 is respectively arranged with negative pressure cavity 22, negative pressure cavity 22
It inhales head piece 11 with the inlet end of jet pipe 21, two negative pressure respectively to be connected to, the outlet side of jet pipe 21 extends outwardly and exceeds jet pipe 21
Outlet side.The outlet side of each negative tube 2 is equally respectively set there are two the positioning key 12 about 2 axisymmetrical of negative tube,
Preferably, positioning key 12 is integrally formed with negative tube 2, and card slot 13 is again provided on the positioning key 12.The internal diameter of jet pipe 21 from
Its air inlet to gas outlet is gradually expanded.
In tubular construction, end negative tube 3 is internally provided with the second gas channel 32, the second gas channel to end negative tube 3
32 internal diameter is gradually expanded from its air inlet to gas outlet.There are two negative about end for setting on the peripheral surface of end negative tube 3
The negative pressure of 3 axisymmetrical of pressure pipe inhales head piece 11, and the inlet end of end negative tube 3 is equally also equipped with negative pressure cavity 22.In addition, end
Multiple annular grooves 31 are provided on the peripheral surface of negative tube 3.
As shown in Fig. 5,6,7, clapper 23 is used to block corresponding negative pressure and inhales head piece 11, the number of clapper 23
Amount and position inhale the quantity and position one-to-one correspondence of head piece 11 with negative pressure.Clapper 23 includes fixed part 231, elastic portion 232
With closure part 233, fixed part 231 is arranged in card slot 13, and fixed part 231 is connect by elastic portion 232 with closure part 233, excellent
Choosing, fixed part 231, elastic portion 232, closure part 233 are integrally formed.When positioning key 12 is inserted into corresponding negative pressure cavity 22
When, corresponding negative pressure is inhaled head piece 11 and closed by each clapper 23.The thickness of elastic portion 232 is more than closure part 233
Thickness, therefore, after the outer surface of closure part 233 is by gas pressure, elastic portion 232 bends first, drives closure part
233 inhale head piece 11 far from negative pressure, generate gap between so that closure part 233 and negative pressure is inhaled head piece 11, it is ensured that extraneous air passes through negative
Pressure is inhaled head piece 11 and is entered in negative pressure cavity 22.Further, the outer surface of closure part 233 has arc, to ensure to work as closure part 233
When blocking negative pressure suction head piece 11, the edge of the outer surface of closure part 233 and negative pressure suction head piece 11 fits closely.Clapper 23
Material is rubber or silica gel, but it's not limited to that, can also be other flexible materials.
As shown in Figures 3 and 4, the outlet side of nozzle of air supply 1 is plugged in the negative pressure cavity 22 of the first negative tube, and the first gas
There are certain intervals between the outlet side of circulation road 15 and the inlet end of the first negative tube internal nozzle 21；First negative tube
Outlet side is plugged in the negative pressure cavity 22 of the second negative tube, and the outlet side of the first negative tube internal nozzle 21 and the second negative tube
There are certain intervals between the inlet end of internal nozzle 21；The outlet side of second negative tube is plugged in the negative pressure of end negative tube 3
In chamber 22, there are certain intervals between the outlet side of the second negative tube internal nozzle 21 and the inlet end of the second gas channel 32.
Further, to facilitate installation, the peripheral surface of 1, two negative tube 2 of nozzle of air supply and end negative tube 3 is equipped with limit
Ring 14 when above-mentioned several components are mutually inserted, can judge whether grafting in place according to spacing ring 14.
Operation principle：Supersonic speed vacuum tube is installed in seal casinghousing, it is empty to inject compression to the air inlet of nozzle of air supply 1
Gas (referring to arrow 100), after compressed air passes sequentially through the first gas channel 15 and two jet pipes 21, eventually by the second air-flow
The gas outlet in channel 32 sprays, and at the same time, clapper 23 opens under the action of air pressure, the air in seal casinghousing
(referring to arrow 200) is inhaled head piece 11 by negative pressure and is entered in each negative pressure cavity 22, and is discharged (referring to arrow together with compressed air
300).Scavenging action in this way, the air pressure in seal casinghousing decline, when the air pressure in seal casinghousing is less than each
When air pressure in a negative pressure cavity 22, each clapper 23 under the action of air pressure, inhaled and flowed by closure part 233 by negative pressure
Mouth 11 blocks, to keep being in negative pressure state in seal casinghousing.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be modified or is improved, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (8)
1. a kind of supersonic speed vacuum tube, the supersonic speed vacuum tube includes nozzle of air supply, multiple negative tubes and end negative tube, institute
That states nozzle of air supply and the end negative tube is internally provided with gas channel, which is characterized in that each negative tube and described
There are two negative pressure to inhale head piece for setting on the peripheral surface of end negative tube, and each negative tube is internally provided with axially extending spray
The inlet end of pipe, the inlet end of the end negative tube and each negative tube is respectively arranged with negative pressure cavity；It is described into gas blowout
The outlet side of mouth and the outlet side of each negative tube are respectively arranged there are two clapper, the nozzle of air supply, multiple negative
The corresponding negative pressure is inhaled head piece envelope by pressure pipe, the head and the tail plug connection successively of end negative tube, each clapper
It closes, the corresponding jet pipe connection of each negative pressure cavity.
2. supersonic speed vacuum tube according to claim 1, which is characterized in that the supersonic speed vacuum tube further includes pressure ring, institute
State the air inlet port that pressure ring is installed on nozzle of air supply internal gas flow channel.
3. supersonic speed vacuum tube according to claim 1, which is characterized in that the outlet side of the nozzle of air supply and each described
The outlet side of negative tube is respectively set there are two positioning key, is provided with card slot on the positioning key, the clapper is arranged in
In the card slot.
4. supersonic speed vacuum tube according to claim 3, which is characterized in that the air inlet of the jet pipe and the end negative tube
Internal diameter of the mouth to gas outlet is gradually expanded.
5. supersonic speed vacuum tube according to claim 4, which is characterized in that the nozzle of air supply, multiple negative tubes, end are negative
The peripheral surface of pressure pipe is equipped with spacing ring.
6. supersonic speed vacuum tube according to claim 4, which is characterized in that the clapper includes fixed part, elastic portion
And closure part, the fixed part are arranged in the card slot, the fixed part is connect by the elastic portion with the closure part.
7. supersonic speed vacuum tube according to claim 6, which is characterized in that the outer surface of the closure part has arc.
8. supersonic speed vacuum tube according to claim 6, which is characterized in that the clapper is rubber or silica gel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326672.XA CN108317108A (en) | 2018-04-12 | 2018-04-12 | A kind of supersonic speed vacuum tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810326672.XA CN108317108A (en) | 2018-04-12 | 2018-04-12 | A kind of supersonic speed vacuum tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108317108A true CN108317108A (en) | 2018-07-24 |
Family
ID=62897322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810326672.XA Pending CN108317108A (en) | 2018-04-12 | 2018-04-12 | A kind of supersonic speed vacuum tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108317108A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153834A (en) * | 2021-04-27 | 2021-07-23 | 行益科技(宁波)有限公司 | Five-way electromagnetic valve guide stacked vacuum generator |
| WO2024036942A1 (en) * | 2022-08-17 | 2024-02-22 | 宁德时代新能源科技股份有限公司 | Vacuum generator and negative-pressure dust suction device having same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394760B1 (en) * | 1998-03-20 | 2002-05-28 | Piab Ab | Vacuum ejector pump |
| CN101002027A (en) * | 2004-07-28 | 2007-07-18 | 韩国气压系统有限公司 | Vacuum ejector pumps |
| CN101351649A (en) * | 2005-12-30 | 2009-01-21 | 韩国气压系统有限公司 | Vacuum ejector pumps |
| KR101039470B1 (en) * | 2010-10-22 | 2011-06-07 | 이우승 | Vaccum ejector pump |
| CN104295536A (en) * | 2013-07-16 | 2015-01-21 | J.施马尔茨有限公司 | Multistage ejector |
| CN106895031A (en) * | 2015-10-30 | 2017-06-27 | 谢雷克斯公司 | High vacuum injector |
| CN208106852U (en) * | 2018-04-12 | 2018-11-16 | 微可为（厦门）真空科技有限公司 | A kind of supersonic speed vacuum tube |
-
2018
- 2018-04-12 CN CN201810326672.XA patent/CN108317108A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6394760B1 (en) * | 1998-03-20 | 2002-05-28 | Piab Ab | Vacuum ejector pump |
| CN101002027A (en) * | 2004-07-28 | 2007-07-18 | 韩国气压系统有限公司 | Vacuum ejector pumps |
| CN101351649A (en) * | 2005-12-30 | 2009-01-21 | 韩国气压系统有限公司 | Vacuum ejector pumps |
| KR101039470B1 (en) * | 2010-10-22 | 2011-06-07 | 이우승 | Vaccum ejector pump |
| CN104295536A (en) * | 2013-07-16 | 2015-01-21 | J.施马尔茨有限公司 | Multistage ejector |
| CN106895031A (en) * | 2015-10-30 | 2017-06-27 | 谢雷克斯公司 | High vacuum injector |
| CN208106852U (en) * | 2018-04-12 | 2018-11-16 | 微可为（厦门）真空科技有限公司 | A kind of supersonic speed vacuum tube |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153834A (en) * | 2021-04-27 | 2021-07-23 | 行益科技(宁波)有限公司 | Five-way electromagnetic valve guide stacked vacuum generator |
| CN113153834B (en) * | 2021-04-27 | 2024-05-10 | 行益科技(宁波)有限公司 | Five-way electromagnetic valve pilot stacked vacuum generator |
| WO2024036942A1 (en) * | 2022-08-17 | 2024-02-22 | 宁德时代新能源科技股份有限公司 | Vacuum generator and negative-pressure dust suction device having same |
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