CN110296109A - A kind of multilayer cumulative air pump - Google Patents
A kind of multilayer cumulative air pump Download PDFInfo
- Publication number
- CN110296109A CN110296109A CN201910680106.3A CN201910680106A CN110296109A CN 110296109 A CN110296109 A CN 110296109A CN 201910680106 A CN201910680106 A CN 201910680106A CN 110296109 A CN110296109 A CN 110296109A
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- negative pressure
- group
- air pump
- taper tube
- tube
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- 230000001186 cumulative effect Effects 0.000 title claims abstract description 28
- 230000000750 progressive effect Effects 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- 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
- F04F5/22—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 of multi-stage type
-
- 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
-
- 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
- F04F5/54—Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type
Landscapes
- 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 provides a kind of multilayer cumulative air pump, mainly there is negative pressure generator, the negative pressure generator is followed successively by air inlet from left to right, first taper tube, second taper tube, the air inlet is to tighten channel, first taper tube and the second taper tube are expansion pipe, the first negative pressure group is successively arranged on the tube wall of first taper tube from left to right, second negative pressure group, third negative pressure group, it include two negative pressure mouths being symmetrically disposed on tube wall in each negative pressure group, each negative pressure mouth is each equipped with corresponding non-return door, two negative pressure mouths in each negative pressure group are formed by straight line 60 ° of progress Heterogeneous Permutations of progressive rotation from left to right.The present invention can generate negative pressure using the positive companding of positive taper, and in conjunction with multilayer longitudinal direction negative pressure cumulative, negative pressure is uniformly generated in seal case, can effective lifting negative pressure transformation efficiency, compact-sized, small in size, consume energy low, fast response time, environmentally protective.
Description
Technical field
The present invention relates to negative pressure generating device technical fields, refer in particular to a kind of multilayer cumulative air pump.
Background technique
For sheet-fed printing equipment in printing enterprise using the suction nozzle flown up to, suction nozzle completes the separation work of paper by negative pressure
Make, there are also the negative pressure suckers of a lot of other enterprises, require to draw completion by negative pressure.At present largely using all in industry
It is that single air pump comes for negative pressure, commonly there are two types of working methods for single air pump, and one is oil to invade formula air pump, and what is generated is negative
Contain greasy dirt in pressure, product can be polluteed, it is used at present seldom；Another is dry type, and this air pump is by carbon
Negative pressure is generated with pump wall scraped finish, cleaner, comparison used at present is more.Compare there are also the bigger shop equipment of some scales
It is more, using central negative pressure mode, i.e., each board is redistributed to by large-scale central negative pressure system.
In fact, it is above-mentioned all less desirable in actual use for negative pressure mode, all there is certain high energy
The problem of consuming high cost.Dry air pump is because being the negative pressure frictionally generated, and noise is bigger when routine use, and calorific value is also compared
Greatly；Carbon is also required to be replaced through abrasion after a period of time, and bearing rotates at high temperature to be also easier to damage, the service life
It is much less, needs to be replaced frequently the accessories such as carbon, bearing, filtration core, at high cost, the workload of maintenance personal of maintenance
It is bigger；Central negative pressure has certain saving in electricity consumption, but one-time investment is bigger, and host takes plus roughing-in
With substantially needing up to a million, flexibility is poor in use, and what production board was opened few is equally also required to whole system
Operation, as long as and faulty all equipment be all unable to run, in the majority because of host import, maintenance cost usually is also very high
It is also relatively more long with the procurement cycle of accessory.To solve this phenomenon, the patent No. CN202348796u announced, the utilization of middle announcement
Positive pressure generates the technical solution of negative pressure, but this scheme conversion ratio is relatively low, and it is novel to provide a kind of high efficiency for this situation
Air pump.
Summary of the invention
It is an object of the invention to be directed to the existing state of the art, a kind of multilayer cumulative air pump is provided, positive taper is utilized
Positive companding can generate negative pressure, in conjunction with multilayer longitudinal direction negative pressure cumulative, can greatly promote converting negative pressure efficiency, reduce equipment volume.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of multilayer cumulative air pump, mainly there is negative pressure generator, and the negative pressure generator is followed successively by air inlet, first from left to right
Taper tube, the second taper tube, the air inlet are to tighten channel, and the first taper tube and the second taper tube are expansion pipe, described
The first negative pressure group, the second negative pressure group, third negative pressure group are successively arranged on the tube wall of first taper tube from left to right, in each negative pressure group
It include two negative pressure mouths being symmetrically disposed on tube wall, each negative pressure mouth is each equipped with corresponding non-return door, each from left to right negative
Two negative pressure mouths in pressure group are formed by straight line 60 ° of progress Heterogeneous Permutations of progressive rotation.
Further, third negative pressure group is located at the first taper tube end.
Further, the total length of negative pressure generator is no more than 100mm, and each negative pressure mouth diameter is 8mm.
Further, the tube wall of the first taper tube and the angle of horizontal plane are ± 10 °, the tube wall and level of the second taper tube
The angle in face is ± 15 °.
In above scheme, each negative pressure group is wrapped in the outer surface of tube wall, and non-return door is located at the outer surface of negative pressure group, negative pressure
Group is internal to have cumulative chamber for being connected to negative pressure mouth and non-return door.
Further, negative pressure generator is assemblied in seal case, and seal case offers negative pressure delivery outlet, seal box
Body end portion is installed with muffler, and the open end of the second taper tube is docked with muffler.
It further, further include inlet manifold, the intake manifold configuration has air-operated solenoid valve and stagnation pressure force regulating valve, into
Gas general pipeline connection negative pressure is in charge of as extended segment, and negative pressure is in charge of docks with the air inlet of negative pressure generator.
Further, inlet manifold is also connected with positive pressure and is in charge of, and it is positive pressure delivery outlet that positive pressure, which is in charge of end, and positive pressure is in charge of configuration
There is positive pressure regulating valve, negative pressure is in charge of configured with negative pressure regulating valve.
Further, positive pressure, which is in charge of, is also configured with positive pressure pressure table.
Further, negative pressure delivery outlet is configured with negative pressure gauge.
The invention has the benefit that the present invention can generate negative pressure using the positive companding of positive taper, it is longitudinally negative in conjunction with multilayer
Press cumulative, negative pressure uniformly generated in seal case, can effective lifting negative pressure transformation efficiency, this structure is because of structure simple response
Speed is fast, has very high reliability and stability.Due to using compressed air for power source, inner inorganic tool is structurally and mechanically
Movement, also without mechanical wear-out part, therefore it is without friction, noise is small, does not generate heat, is oil-proof, non-maintaining maintenance；Because compact-sized, body
Product is small, light-weight, easy for installation, can be directly installed near the place for using negative pressure of vacuum, it is made to play maximum efficiency,
Its low energy consumption, cost performance is high, environmentally protective.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of negative pressure generator in the present invention；
Attached drawing 2 is the structural schematic diagram of integral device of the present invention.
Specific embodiment:
Refering to Figure 1, being the structural schematic diagram for the preferred embodiments of the invention, the present invention is a kind of multilayer cumulative gas
Pump, mainly has negative pressure generator, the negative pressure generator is followed successively by air inlet 1, the first taper tube 2, the second taper from left to right
Pipe 3, the air inlet 1 are to tighten channel, and the first taper tube 2 and the second taper tube 3 are expansion pipe, i.e., gas flows through air inlet
1 and first taper tube 2, the second taper tube 3 can produce jet stream effect, quickly drive surrounding air discharge, in order to using jet stream just
Pressure generates negative pressure, then the first negative pressure group 21, the second negative pressure group 22, the are successively arranged on the tube wall of the first taper tube 2 from left to right
Three negative pressure groups 23 include two negative pressure mouths 4 being symmetrically disposed on tube wall in each negative pressure group, it is preferred that each 4 diameter of negative pressure mouth
For 8mm, and each negative pressure mouth 4 is each equipped with corresponding non-return door 41, makes air one way flow at negative pressure mouth 4, three groups of negative pressure
Group can be such that the first taper tube 2 is utmostly drained in the longitudinal direction.
Specifically, the tube wall of the first taper tube 2 and the angle of horizontal plane are ± 10 °, the tube wall and level of the second taper tube 3
The angle in face is ± 15 °.When compressed air enters the first taper tube 2 from air inlet 1, compressed gas is first shunk at air inlet 1
After expand, gas flow rate increases when contraction, and entrapped gas amount increases, and takes away major part at the negative pressure mouth of the first negative pressure group 21
Air forms certain vacuum, and then compressed air passes through the second negative pressure group 22, and caliber increases, and flow velocity reduces, pressure increase,
Certain tolerance is taken away at the negative pressure mouth of the second negative pressure group 22 again, when similarly passing through the negative pressure mouth of third negative pressure group 23 below
Also certain tolerance is taken away, the expansion energy negative pressure by three-level generates, and generation negative pressure pressure can be made uniform and stable, has mutually complementary
Function is repaid, while this design, under same air consumption, the negative pressure amount of generation is also maximum.
Further, each negative pressure group is wrapped in the outer surface of tube wall, and non-return door 41 is located at the outer surface of negative pressure group, negative pressure
Group is internal, and there is cumulative chamber 42 to be separately provided for being connected to negative pressure mouth 4 and non-return door 41, cumulative chamber 42 for each negative pressure mouth 4, phase
It is formed by expanding cumulative compared with the first taper tube 2, cumulative chamber 42 is then longitudinal cumulative, in the state for adding cumulative chamber 42
Under, the vacuum degree of explosion type, further lifting negative pressure transformation efficiency can be formed moment.
Third negative pressure group 6 is located at 2 end of the first taper tube, and compressed air is after three groups of negative pressure groups, into the second taper
Pipe 3, the second taper tube 3 are open designs, and expansion angle is bigger than the first taper tube 2, and gas can be smoothly discharged, to below not
Generate obstruction.It is designed in this way, can effectively shorten the length of negative pressure generator, the total length of negative pressure generator is made to be no more than 100mm,
It is corresponding to reduce equipment overall volume.
When practice, negative pressure generator need to be assemblied in seal case 5, as shown in Fig. 2, being produced by negative pressure generator
Raw vacuum degree embodies in seal case, and seal case 5 offers negative pressure delivery outlet 51, and negative pressure delivery outlet 51 is configured with negative pressure
Pressure gauge 53, is connected with negative pressure equipment, is sealed at upper-lower seal slot between seal case 5 and negative pressure generator, protects
Card does not have air entrance other than the air at negative pressure delivery outlet 51；5 end of seal case is installed with muffler 52, and the second cone
The open end of degree pipe 3 is docked with muffler 52, and negative pressure generator one end connects compressed air, other end joint noise reduction device 52, pressure
Contracting gas is discharged through muffler 52, completes whole work process.
In order to uniformly generate vacuum degree in seal case 5, then need the negative pressure lancet of three groups of negative pressure groups to different directions,
Therefore two negative pressure mouths from left to right in each negative pressure group are formed by straight line 60 ° of progress Heterogeneous Permutations of progressive rotation, i.e., second is negative
Pressure group 22 misplaces 60 ° relative to the negative pressure mouth of the first negative pressure group 21, negative pressure of the third negative pressure group 23 relative to the second negative pressure group 22
60 ° of mouth dislocation, negative pressure mouth dislocation 120 ° (- 60 °) of the third negative pressure group 23 relative to the first negative pressure group 21, makes in seal case 5
Negative pressure is uniform, reduces resistance when generating negative pressure, promotes transformation efficiency.
It according to the demand of negative pressure tolerance, can be sealed in a cabinet simultaneously with several negative pressure generators, when sealing is each
The negative pressure mouth of the corresponding negative pressure group of negative pressure generator cannot align, the certain angle that needs to be staggered arrangement.
1 one end of air inlet of above-mentioned negative pressure generator is also connected with negative pressure and is in charge of 7, i.e. negative pressure is in charge of 7 and negative pressure generator
Air inlet 1 docks, and negative pressure is in charge of 7 configured with negative pressure regulating valve 71, and negative pressure regulating valve 71 is responsible for adjusting the air inlet of negative pressure generator
Pressure, this pressure maximum is in 5.5Mpa.
Different negative pressure requirements and negative pressure value can accordingly be adjusted compressed air pressure, such as the following table 1,2 institute of table
Show:
Table 1
Table 2
In order to supplement positive-pressure function, it is additionally provided with inlet manifold 6, negative pressure is in charge of 7 extended segment as inlet manifold 6, and air inlet is total
Pipe 6 is also connected with positive pressure and is in charge of 8, and inlet manifold 6 is configured with air-operated solenoid valve 61 and stagnation pressure force regulating valve 62, air-operated solenoid valve 61 with
The supply equipment of compressed air links, and air-operated solenoid valve 61 is opened when needing to supply, and is then controlled by stagnation pressure force regulating valve 62
System be divided into positive pressure be in charge of 8 and negative pressure be in charge of 7 admission pressure size, then positive pressure be in charge of 8 with negative pressure be in charge of 7 points for two-way convey
Compressed air, therefore, positive pressure, which is in charge of 8, should also be as configured with positive pressure regulating valve 81, and for adjusting the pressure of the branch, positive pressure is in charge of
8 ends are positive pressure delivery outlet 81, and positive pressure is in charge of 8 and is also configured with positive pressure pressure table 82 for showing actual positive pressure pressure size.
Certainly, illustrated above is only better embodiment of the present invention, and use scope of the invention is not limited with this, therefore,
It is all made in the principle of the invention it is equivalent change should be included within the scope of the present invention.
Claims (10)
1. a kind of multilayer cumulative air pump, mainly there is negative pressure generator, it is characterised in that: the negative pressure generator is from left to right successively
For air inlet (1), the first taper tube (2), the second taper tube (3), the air inlet (1) is to tighten channel, the first taper tube (2)
It is expansion pipe with the second taper tube (3), is successively arranged the first negative pressure group on the tube wall of first taper tube (2) from left to right
(21), the second negative pressure group (22), third negative pressure group (23) include two negative pressure being symmetrically disposed on tube wall in each negative pressure group
Mouth (4), each negative pressure mouth (4) are each equipped with corresponding non-return door (41), and two negative pressure mouths in each negative pressure group are formed from left to right
Straight line 60 ° of progress Heterogeneous Permutations of progressive rotation.
2. a kind of multilayer cumulative air pump according to claim 1, it is characterised in that: the third negative pressure group (6) is located at the
One taper tube (2) end.
3. a kind of multilayer cumulative air pump according to claim 1, it is characterised in that: the total length of the negative pressure generator is not
More than 100mm, each negative pressure mouth (4) diameter is 8mm.
4. a kind of multilayer cumulative air pump according to claim 1 or 2 or 3, it is characterised in that: first taper tube (2)
Tube wall and the angle of horizontal plane be ± 10 °, the tube wall of the second taper tube (3) and the angle of horizontal plane are ± 15 °.
5. a kind of multilayer cumulative air pump according to claim 4, it is characterised in that: each negative pressure group is wrapped in tube wall
Outer surface, non-return door (41) is located at the outer surface of negative pressure group, has cumulative chamber (42) for being connected to negative pressure mouth inside negative pressure group
(4) with non-return door (41).
6. a kind of multilayer cumulative air pump according to claim 4, it is characterised in that: the negative pressure generator is assemblied in sealing
In cabinet (5), and seal case (5) offers negative pressure delivery outlet (51), and seal case (5) end is installed with muffler (52),
And second the open end of taper tube (3) docked with muffler (52).
7. a kind of multilayer cumulative air pump according to claim 6, it is characterised in that: further include inlet manifold (6), it is described into
Gas general pipeline (6) is configured with air-operated solenoid valve (61) and stagnation pressure force regulating valve (62), and inlet manifold (6) connects negative pressure and is in charge of (7) work
For extended segment, negative pressure is in charge of (7) and is docked with the air inlet (1) of negative pressure generator.
8. a kind of multilayer cumulative air pump according to claim 7, it is characterised in that: the inlet manifold (6) is also connected with just
Pressure is in charge of (8), and it is positive pressure delivery outlet (81) that positive pressure, which is in charge of (8) end, and positive pressure is in charge of (8) configured with positive pressure regulating valve (81), is born
Pressure is in charge of (7) configured with negative pressure regulating valve (71).
9. a kind of multilayer cumulative air pump according to claim 8, it is characterised in that: the positive pressure is in charge of (8) and is also configured with
Positive pressure pressure table (82).
10. a kind of multilayer cumulative air pump according to claim 6, it is characterised in that: negative pressure delivery outlet (51) configuration
There are negative pressure gauge (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680106.3A CN110296109B (en) | 2019-07-26 | 2019-07-26 | Multilayer energy-gathering air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680106.3A CN110296109B (en) | 2019-07-26 | 2019-07-26 | Multilayer energy-gathering air pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110296109A true CN110296109A (en) | 2019-10-01 |
| CN110296109B CN110296109B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910680106.3A Active CN110296109B (en) | 2019-07-26 | 2019-07-26 | Multilayer energy-gathering air pump |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3022143U (en) * | 1995-08-29 | 1996-03-22 | 日本空圧システム株式会社 | Vacuum pressure generator |
| CN101012842A (en) * | 2006-09-04 | 2007-08-08 | 汪京涛 | Gas blowing type negative pressure air-suction device |
| US20080292476A1 (en) * | 2005-12-30 | 2008-11-27 | Ho-Young Cho | Vacuum Ejector Pumps |
| CN201599263U (en) * | 2009-11-19 | 2010-10-06 | 福建上润精密仪器有限公司 | Vacuum generator |
| US20160369820A1 (en) * | 2013-07-04 | 2016-12-22 | Pfeiffer Vacuum | Dry roughing vacuum pump |
| CN211398086U (en) * | 2019-07-26 | 2020-09-01 | 厦门市鼎际信息科技有限公司 | Multilayer energy-gathering air pump |
-
2019
- 2019-07-26 CN CN201910680106.3A patent/CN110296109B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3022143U (en) * | 1995-08-29 | 1996-03-22 | 日本空圧システム株式会社 | Vacuum pressure generator |
| US20080292476A1 (en) * | 2005-12-30 | 2008-11-27 | Ho-Young Cho | Vacuum Ejector Pumps |
| CN101012842A (en) * | 2006-09-04 | 2007-08-08 | 汪京涛 | Gas blowing type negative pressure air-suction device |
| CN201599263U (en) * | 2009-11-19 | 2010-10-06 | 福建上润精密仪器有限公司 | Vacuum generator |
| US20160369820A1 (en) * | 2013-07-04 | 2016-12-22 | Pfeiffer Vacuum | Dry roughing vacuum pump |
| CN211398086U (en) * | 2019-07-26 | 2020-09-01 | 厦门市鼎际信息科技有限公司 | Multilayer energy-gathering air pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110296109B (en) | 2023-12-15 |
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