CN102606544A - Vacuum generator - Google Patents
Vacuum generator Download PDFInfo
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- CN102606544A CN102606544A CN201210114178XA CN201210114178A CN102606544A CN 102606544 A CN102606544 A CN 102606544A CN 201210114178X A CN201210114178X A CN 201210114178XA CN 201210114178 A CN201210114178 A CN 201210114178A CN 102606544 A CN102606544 A CN 102606544A
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- sleeve
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- housing part
- compressed air
- vacuum generator
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Abstract
The invention provides a vacuum generator which is characterized in that air around a vacuum generation sleeve is taken away to generate vacuum by adopting compressed air as power and utilizing a Bernoulli principle. The vacuum generator comprises the vacuum generation sleeve, a sleeve shell and a vacuum generator base. The compressed air enters from a compressed air inlet of the base and drives the air in the vacuum generation sleeve to flow in the axial direction, so that the air pressure outside the sleeve is larger than that inside the sleeve; and the air outside flows into the sleeve through a through hole on the side wall of the sleeve and then flows out from a compressed air outlet of the sleeve (or the sleeve shell). The process is simply described as follows: the air outside is taken away by the compressed air in the vacuum generation sleeve to generate the vacuum.
Description
Technical field
The present invention is a kind of vacuum generator.
Background technique
Traditional vacuum pump is by motor driven, and the energy consumption of generation is big, and volume is big, Heavy Weight, and need time-based maintenance.
Summary of the invention
A kind of vacuum generator provided by the invention is the deficiency that exists to above-mentioned existing technology, adopts pressurized air as power, utilizes bernoulli principle, takes away vacuum and produces the sleeve ambient air, produces vacuum.
This vacuum generator comprises that vacuum produces sleeve, sleeve shell and vacuum generator base.
It is the cylindrical or square bodily form that this vacuum generation sleeve does not limit, and its inside is the cylindricality through hole of a two ends conducting, and the sleeve two ends are respectively compressed-air actuated import and outlet.Said vacuum produces sleeve and is made up of one or more housing parts; The nozzle that the central position of each housing part all has a diameter not wait; This nozzle is the cylindricality through hole; Several housing parts are assembled into together by the diameter of nozzle is ascending successively, and are wherein minimum near the orifice size of the housing part of vacuum generator base compressed air inlet end, maximum near the orifice size of the housing part of sleeve shell compressed air outlet end.All nozzles are installed vertically and must are concentric.
Each housing part one end is the nozzle that exposes, and at the valve of an elastic material of this end installation, the other end is the cutting ferrule of sleeve.The sidewall of each housing part has some through holes, and there is one group of seal ring the outer wall appropriate location, two ends of each housing part; Wherein, Similar near the housing part of vacuum generator base compressed air inlet end with the basic housing part of structure with the centre near the housing part of sleeve shell compressed air outlet end; Just the housing part near vacuum generator base compressed air inlet end does not have the sidewall through hole; And be not to expose nozzle near the nozzle of the housing part of sleeve shell compressed air outlet end, with being connected of cooperation and sleeve shell and vacuum generator base.
When housing part is installed successively, the sidewall through hole of the just corresponding back housing part cutting ferrule of previous housing part valve.The nozzle of the nozzle in the housing part and the superior and the subordinate's housing part has a suitable space, and this space is by cutting ferrule and valve parcel.Between the superior and the subordinate's housing part, form an air flow spaces of independently only advancing not return jointly by former and later two nozzles, cutting ferrule, sidewall through hole, valve and seal ring.
In addition, the exposing nozzle end and can valve be installed of vacuum generator middle sleeve parts of the present invention looked various usable conditions and decided.
This sleeve shell is the hollow cylindrical cavity of a both ends open, and an end of sleeve shell is compressed-air actuated outlet, and the other end is the connection mouth that is connected with the vacuum generator base.The compressed air outlet end that vacuum produces sleeve is installed in sleeve shell inside.This vacuum produces the seal ring blocking sleeve outside, the outside of sleeve outlet end and being communicated with of atmosphere, and the outlet that only leaves sleeve is exposed in the atmosphere fully.The other end of sleeve shell is the mouth that is threaded, to make things convenient for being connected of sleeve shell and vacuum generator base.
This vacuum generator base is a seal chamber that has compressed air inlet, vacuum inlet, the connection mouth that is connected with sleeve shell and assembling screw thread;
Sleeve shell and base are tightly connected through connection mouth; Vacuum produces the inside of the cavity that sleeve connects at sleeve shell and base; The compressed air inlet that this vacuum produces sleeve has being connected of sealing fully with the compressed air inlet of base; The compressed air outlet of sleeve shell also has being connected of sealing fully with the sleeve compresses air outlet slit, forms a seal space that has only vacuum inlet and sidewall through hole around the vacuum generation sleeve;
Pressurized air gets into from the compressed air inlet end of base; Pressurized air can drive the air that vacuum produces in the sleeve and flow vertically together, makes sleeve air outside pressure greater than the air pressure of sleeve inner, and valve is opened; Outside air flows into sleeve inner through the sleeve lateral wall through hole; Compressed air outlet from sleeve shell flows out again, takes away vacuum and produces the sleeve ambient air, produces vacuum.
The through hole vacuum pressure far away apart from compressed air inlet is low.Otherwise near is just high.When taking out a container, along with the rising of degree of vacuum, valve can draw near and close successively, and when the through hole valve nearest apart from pressurized air was about to close and can not closes, this sleeve had just reached its maximum vacuum that can reach.Simultaneously, entrainmented the air quantity of taking away and also can be reduced successively, up to being worth near 0.Be the relation of a subtraction function between degree of vacuum and the vacuum suction amount.If remove valve, the force value of vacuum inlet will be between the highest through hole pressure and minimum through hole pressure.Say that from the another one angle degree of vacuum that valve is arranged is than the height that does not have valve.
Above-described vacuum generator is the structure of nozzle series connection (being that vacuum produces sleeve).The present invention also can make nozzle being together in parallel more than two groups again of series connection their pressurized air end integrated, forms the pressurized air chamber; Sidewall through hole section is integrated; Form vacuum chamber, just can reach the purpose of multiplication vacuum flow, just can produce the vacuum generator of various flows.This vacuum generator is called the series parallel connection vacuum generator again.
In addition, the different vacuum generator according to the present invention can have the method for different releasing vacuum states.If the vacuum generator sleeve has valve, its vacuum inlet end can be installed the solenoid valve of two-bit triplet, connects atmosphere or destroys vacuum through solenoid valve with the pressurized air blowback through solenoid valve; If the vacuum generator sleeve does not have valve, then can directly cut off the pressurized air of compressed air inlet end, just can realize the backflow of air, thereby destroy vacuum from the compressed air outlet end; If require to destroy quickly vacuum, the solenoid valve of two-bit triplet can be installed at the vacuum inlet end, use the pressurized air blowback through the two-bit triplet solenoid valve.
Vacuum generator provided by the invention has the following advantages: one of which, do energy resource supply with pressurized air, can not generate heat energy saving basically during its work; Two, need as the vacuum pump of motor driven, not need time-based maintenance; Three, volume is little, and is in light weight, is fit to be installed in the spaces narrow and small and many vibrations; Four, reaction velocity is fast, is specially adapted to the occasion that frequent starting is closed; Its five, environmental suitability is strong, explosive-proof grade is high, especially the vacuum generator with the resistant material manufacturing is specially adapted to corrosivity and dangerous environment; Its six, operating temperature range is wide; At last, vacuum generator low cost of manufacture of the present invention.
Description of drawings
Fig. 1 has the vacuum generator generalized section that a vacuum produces sleeve;
Fig. 2 is that some vacuum of the present invention produce housing part section disassembly diagram;
Fig. 3 is that some vacuum of the present invention produce housing part section constitutional diagram;
Fig. 4 is that vacuum of the present invention produces the sleeve External view;
Fig. 5 has two vacuum to produce the vacuum generator generalized section that sleeve is together in parallel.
For letting the foregoing of the present invention can be more obviously understandable, hereinafter is special lifts preferred embodiment, and accompanying drawing shown in cooperating, and elaborates as follows.
Embodiment
A kind of vacuum generator provided by the invention adopts pressurized air as power, utilizes bernoulli principle, takes away vacuum and produces the sleeve ambient air, produces vacuum.
Fig. 1 has the vacuum generator generalized section that a vacuum produces sleeve.As shown in Figure 1, this vacuum generator comprises that vacuum produces sleeve 1, sleeve shell 2 and vacuum generator base 3.
Fig. 2 is that some vacuum of the present invention produce housing part section disassembly diagram.Vacuum of the present invention produces sleeve to be made up of one or more housing parts, and vacuum as shown in Figure 2 produces sleeve and comprises housing part 11-14, but housing part quantity is not restricted to this.All there is the nozzle 111,121,131 and 141 that a diameter do not wait (following represent this four nozzles by 111-141) central position of each housing part, and this nozzle 111-141 is a through hole.Several housing parts are assembled into together by the diameter of nozzle 111-141 is ascending successively; Wherein minimum near nozzle 111 diameters of the housing part 11 of vacuum generator base compressed air inlet end 42 (sign is arranged in Fig. 1); Nozzle 141 diameters near the housing part 14 of sleeve shell compressed air outlet end 52 (sign is arranged in Fig. 1) are maximum, and all nozzle 111-141 install vertically and are concentric.
Except that near the housing part 11 of compressed air inlet end 42 (sign is arranged in Fig. 1) with slightly different near the structure of the housing part 14 of compressed air outlet end 52 (sign is arranged in Fig. 1); The structure of each housing part of other intermediate portions is all similar; Existing is the structure that example is explained sleeve 1 middle several housing parts with housing part 13; One end of said housing part 13 is the nozzles 131 that expose; At this exposed junction 131a the valve 132 of a rubber material is installed, but the valve material is not restricted to the rubber material, can be that resilient any material is done valve; The other end of this housing part 13 is cutting ferrules 133 of sleeve, and the sidewall of this cutting ferrule 133 has some through holes 134, if more than one housing part is installed, just has the above sidewall through hole of a cover accordingly.The inside of this housing part 13 is exactly the other end 131b of this nozzle.Dispose one group of seal ring 135 in outer wall appropriate location, the two ends of housing part 13, make when interconnecting and to be tightly connected.In addition; Similar near the housing part 11 of compressed air inlet end 42 with the basic housing part 13 of structure with the centre near the housing part 14 of compressed air outlet end 52; Just housing part 11 does not have the sidewall through hole; And the nozzle 141 of housing part 14 is not to expose nozzle, with being connected of cooperation and sleeve shell and vacuum generator base.
Fig. 3 is that some vacuum of the present invention produce housing part section constitutional diagram.As shown in Figure 3; When housing part 11-14 installs successively; The sidewall through hole of the just corresponding back housing part cutting ferrule of previous housing part valve; Wholely formed vacuum and produce sleeve 1, its inside has formed the cylindricality through hole of a two ends conducting, and the sleeve two ends are respectively compressed-air actuated entrance point 41 and outlet end 51.The nozzle of the nozzle in the housing part and the superior and the subordinate's housing part has a suitable space, and this space is wrapped up by valve.Between the superior and the subordinate's housing part, form an air flow separate space of only advancing not return 126,136,146 jointly by former and later two nozzles, cutting ferrule, sidewall through hole, valve and seal ring.Fig. 4 is that vacuum of the present invention produces the sleeve External view.
Hollow cylindrical cavity as shown in Figure 1 again, that said sleeve shell 2 is both ends opens.The compressed air outlet end 51 that vacuum produces sleeve is installed in its inside.Vacuum produces the seal ring blocking sleeve outside, the outside of compressed air outlet end 51 and being communicated with of atmosphere of sleeve, and the outlet end 51 that only leaves sleeve is exposed in the atmosphere fully.The other end of sleeve shell is to be threaded mouthfuls 21, to make things convenient for being connected of sleeve shell 2 and vacuum generator base 3.
Said vacuum generator base 3 is seal chambers that have compressed air inlet 42, vacuum inlet 6, sleeve shell installation connection mouth 31 and assembling screw thread 32.
When sleeve shell 2 with after base 3 is connected fully; The compressed air inlet 41 that vacuum produces sleeve has being connected of sealing fully with the compressed air inlet 42 of base; Adding sleeve shell outlet end 52 also has being connected of sealing fully with sleeve compresses air outlet slit end 51, has just formed a seal space that has only vacuum inlet and sidewall through hole around the vacuum generation sleeve.
Shown in the arrow among Fig. 1, when pressurized air when the compressed air inlet end of base 42 gets into, the air that pressurized air can drive in the separate space flows together vertically.Because sleeve air outside pressure is greater than the air pressure in the separate space, outside air flows to separate space valve has been produced inside pressure, and valve is opened.Like this, the sleeve lateral wall through hole will have air stream to go into, and takes away vacuum and produces the sleeve ambient air, produces vacuum.
Fig. 5 has two vacuum to produce the vacuum generator generalized section that sleeve is together in parallel.Aforesaid vacuum generator is the structure of nozzle series connection (being that vacuum produces sleeve).And as shown in Figure 5 be with the nozzle of series connection being together in parallel of two groups or more again; Make their compressed air inlet end integrated; Form pressurized air chamber 8, sidewall through hole section is integrated, forms vacuum chamber 7; Just the purpose of multiplication vacuum flow can be reached, the vacuum generator of various flows can be produced.This vacuum generator can be described as the series parallel connection vacuum generator again.
Though the present invention discloses as above with preferred embodiment; Right its is not in order to limiting the present invention, anyly has the knack of this art, do not breaking away from the spirit and scope of the present invention; When can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (7)
1. a vacuum generator is characterized in that, said vacuum generator comprises that vacuum produces sleeve, sleeve shell and vacuum generator base;
It is the cylindricality through hole of a two ends conducting that this vacuum produces sleeve inner, and the sleeve two ends are respectively compressed-air actuated import and outlet, and sleeve lateral wall has some groups of sidewall through holes;
This sleeve shell is the hollow cylindrical cavity of a both ends open, and an end of sleeve shell is compressed-air actuated outlet, and the other end is the connection mouth that is connected with the vacuum generator base;
This vacuum generator base is the seal chamber of a connection mouth that has compressed air inlet, vacuum inlet, is connected with sleeve shell;
Sleeve shell and base are tightly connected through connection mouth; Vacuum produces the inside of the cavity that sleeve connects at sleeve shell and base; The compressed air inlet that this vacuum produces sleeve has being connected of sealing fully with the compressed air inlet of base; Sleeve shell compressed air outlet and sleeve compresses air outlet slit also have one to be tightly connected fully, form a seal space that has only vacuum inlet and sleeve lateral wall through hole around the vacuum generation sleeve;
Pressurized air gets into from the compressed air inlet of base; The air that pressurized air can drive in the vacuum generation sleeve flows together vertically; Make sleeve air outside pressure greater than the air pressure of sleeve inner, outside air flows into sleeve inner through the sleeve lateral wall through hole, and the compressed air outlet from sleeve shell flows out again; Take away vacuum and produce the sleeve ambient air, produce vacuum.
2. vacuum generator as claimed in claim 1; It is characterized in that; Said vacuum produces sleeve to be made up of one or more housing parts, and the nozzle that the central position of each housing part all has a diameter not wait, this nozzle are the cylindricality through hole; Several housing parts are assembled into together by the diameter of nozzle is ascending successively, and all nozzles are installed vertically and must are concentric;
Wherein minimum near the orifice size of the housing part of vacuum generator base compressed air inlet end, maximum near the orifice size of the housing part of sleeve shell compressed air outlet end.
3. vacuum generator as claimed in claim 2; It is characterized in that each housing part one end is the nozzle that exposes, the other end is the cutting ferrule of sleeve; The sidewall of each housing part has some through holes, and there is one group of seal ring the outer wall appropriate location, two ends of each housing part;
Wherein the housing part near vacuum generator base compressed air inlet end does not have the sidewall through hole, and is not to expose nozzle near the nozzle of the housing part of sleeve shell compressed air outlet end, with being connected of cooperation and sleeve shell and vacuum generator base.
4. vacuum generator as claimed in claim 3; It is characterized in that,, wherein work as housing part and connect successively at the valve that nozzle one end is installed an elastic material that exposes of each housing part; The sidewall through hole of the just corresponding back housing part cutting ferrule of previous housing part valve; Between the superior and the subordinate's housing part, form an air flow separate space of only advancing not return jointly by former and later two nozzles, cutting ferrule, sidewall through hole, valve and seal ring, this space is wrapped up by valve.
5. vacuum generator as claimed in claim 3; It is characterized in that; Wherein working as housing part connects successively; Form one jointly by former and later two nozzles, cutting ferrule, sidewall through hole and seal ring between the superior and the subordinate's housing part and can advance the air flow separate space that can return, when pressurized air stopped, atmosphere will reflux through the sidewall through hole.
6. like claim 4 or the described vacuum generator of claim 5; It is characterized in that; Be that vacuum is produced two groups or more series parallel connection vacuum generator that is together in parallel of sleeve; Form the pressurized air chamber between the compressed air inlet end of this vacuum generation sleeve and the compressed air inlet end of vacuum generator base, this vacuum inlet end, this sleeve lateral wall through hole section outer wall and this sleeve shell form vacuum chamber.
7. like claim 4 or the described vacuum generator of claim 5; It is characterized in that, can adopt to stop compressed-air actuated providing and make atmosphere reflux or at the vacuum inlet end two-bit triplet solenoid valve is installed and is destroyed vacuum with these two kinds of methods of pressurized air blowback from the compressed air outlet end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210114178.XA CN102606544B (en) | 2012-04-18 | 2012-04-18 | Vacuum generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210114178.XA CN102606544B (en) | 2012-04-18 | 2012-04-18 | Vacuum generator |
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| Publication Number | Publication Date |
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| CN102606544A true CN102606544A (en) | 2012-07-25 |
| CN102606544B CN102606544B (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210114178.XA Active CN102606544B (en) | 2012-04-18 | 2012-04-18 | Vacuum generator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512012A (en) * | 2013-09-27 | 2015-04-15 | 中日龙(襄阳)机电技术开发有限公司 | High-flow vacuum generator |
| CN105032297A (en) * | 2015-06-09 | 2015-11-11 | 郭斌 | High-strength vacuum generator |
| CN106089636A (en) * | 2016-08-17 | 2016-11-09 | 魏学惠 | Pneumatics drive-type vacuum pump |
| CN107427386A (en) * | 2015-04-13 | 2017-12-01 | 戴科知识产权控股有限责任公司 | For producing the device of vacuum using Venturi effect |
| CN107894301A (en) * | 2017-12-15 | 2018-04-10 | 芜湖致通汽车电子有限公司 | A kind of vacuum pressure sensor experimental rig and method |
| CN115674244A (en) * | 2021-07-29 | 2023-02-03 | 广东博智林机器人有限公司 | Gas path control system, method and device, controller and vacuum adsorption robot |
| CN116571371A (en) * | 2023-07-06 | 2023-08-11 | 中国空气动力研究与发展中心高速空气动力研究所 | Ejector device combining distributed two-dimensional spray pipe and traditional circumferential seam |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101297122A (en) * | 2005-10-27 | 2008-10-29 | 谢雷克斯公司 | Clamping sleeve for an ejector, and mounting procedure |
| CN201753711U (en) * | 2009-08-28 | 2011-03-02 | 株洲南车时代电气股份有限公司 | Vacuum generator |
| CN202520670U (en) * | 2012-04-18 | 2012-11-07 | 王伟光 | Vacuum generator |
-
2012
- 2012-04-18 CN CN201210114178.XA patent/CN102606544B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101297122A (en) * | 2005-10-27 | 2008-10-29 | 谢雷克斯公司 | Clamping sleeve for an ejector, and mounting procedure |
| CN201753711U (en) * | 2009-08-28 | 2011-03-02 | 株洲南车时代电气股份有限公司 | Vacuum generator |
| CN202520670U (en) * | 2012-04-18 | 2012-11-07 | 王伟光 | Vacuum generator |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512012A (en) * | 2013-09-27 | 2015-04-15 | 中日龙(襄阳)机电技术开发有限公司 | High-flow vacuum generator |
| CN107427386A (en) * | 2015-04-13 | 2017-12-01 | 戴科知识产权控股有限责任公司 | For producing the device of vacuum using Venturi effect |
| CN107427386B (en) * | 2015-04-13 | 2020-06-12 | 戴科知识产权控股有限责任公司 | Device for generating vacuum using venturi effect |
| CN105032297A (en) * | 2015-06-09 | 2015-11-11 | 郭斌 | High-strength vacuum generator |
| CN106089636A (en) * | 2016-08-17 | 2016-11-09 | 魏学惠 | Pneumatics drive-type vacuum pump |
| CN106089636B (en) * | 2016-08-17 | 2019-03-26 | 魏学惠 | Pneumatics drive-type vacuum pump |
| CN107894301A (en) * | 2017-12-15 | 2018-04-10 | 芜湖致通汽车电子有限公司 | A kind of vacuum pressure sensor experimental rig and method |
| CN115674244A (en) * | 2021-07-29 | 2023-02-03 | 广东博智林机器人有限公司 | Gas path control system, method and device, controller and vacuum adsorption robot |
| CN116571371A (en) * | 2023-07-06 | 2023-08-11 | 中国空气动力研究与发展中心高速空气动力研究所 | Ejector device combining distributed two-dimensional spray pipe and traditional circumferential seam |
| CN116571371B (en) * | 2023-07-06 | 2023-09-08 | 中国空气动力研究与发展中心高速空气动力研究所 | Ejector device combining distributed two-dimensional spray pipe and traditional circumferential seam |
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| CN102606544B (en) | 2015-04-01 |
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