CN107762896A - A kind of vavuum pump - Google Patents
A kind of vavuum pump Download PDFInfo
- Publication number
- CN107762896A CN107762896A CN201711207623.6A CN201711207623A CN107762896A CN 107762896 A CN107762896 A CN 107762896A CN 201711207623 A CN201711207623 A CN 201711207623A CN 107762896 A CN107762896 A CN 107762896A
- Authority
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- China
- Prior art keywords
- pump
- chamber
- impeller
- valve block
- exhaust outlet
- Prior art date
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- Granted
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 230000009975 flexible effect Effects 0.000 claims abstract description 43
- 230000003434 inspiratory effect Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 21
- 230000006872 improvement Effects 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- -1 therefore Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 239000012224 working solution Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/053—Shafts
- F04D29/054—Arrangements for joining or assembling shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of vavuum pump, including the pump housing, the pump cover being detachably connected with pump housing front end, the impeller being eccentrically mounted in the pump housing, pump shaft and the motor being wholely set with pump shaft, lattice sets discharge chamber on the side end face of the pump cover, inlet chamber, cavitation protects water chamber and water supplying pump chamber, the side end face of the pump cover is respectively arranged with the cavitation protection feed water inlet of connection cavitation protection water chamber and the water supplying pump mouth for connecting water supplying pump chamber, protected on the pump cover in cavitation and be additionally provided with dewatering outlet between water chamber and water supplying pump chamber, the impeller is mounted on pump shaft by key connection and draw ratio is 0.5, disk is provided between the impeller and pump cover, flexible valve block and rigid valve block cover plate, the rear end face integrated setting of the pump housing has the connecting portion of connection motor front end, the inspiratory capacity of the pump housing is 10~50m3/h；The present invention has the characteristics of match power is small, and rate of air sucked in required is big, and small volume, work efficiency are high, green.
Description
Technical field
The present invention relates to vacuum pumping technology field, more particularly to a kind of vavuum pump.
Background technology
Water ring pump is initially used as self-priming water pump, is then gradually available for oil, chemical industry, machinery, mine, light industry, medicine and food
Many industrial departments such as product.In industrial many technical process, such as vacuum filter, vacuum water diversion, vacuum feeding, vacuum
Evaporation, vacuum concentration, vacuum conditioning and vacuum outgas etc., water ring pump is widely used.Due to flying for vacuum application technology
Jump development, water ring pump are valued by the people always in terms of black vacuum acquisition.Because gas compression is isothermal in water ring pump, therefore
Inflammable, explosive gas can be extracted, can additionally extract dust-laden, aqueous gas, therefore, water ring pump is using increasing.
Equipped with appropriate water as working solution in the pump housing.When the direction indicated during impeller is by figure turns clockwise, water is thrown to by impeller
Surrounding, due to the effect of centrifugal force, water forms a closed circle for being similar to equal thickness for being decided by pump chamber shape.Water ring
Upper part inner surface it is just tangent with impeller hub, the lower inner surface of water ring just contacts (actually leaf with blade tip
Piece has certain insertion depth in water ring).A crescent-shaped space is now formed between impeller hub and water ring, and this is empty
Between several equal small chambers of lobe numbers are divided into by impeller again.If with 0 ° of the top of impeller for starting point, then impeller is revolving
The volume of small chamber changes from small to big when turning first 180 °, and is communicated with the air entry on end face, and now gas is inhaled into, when air-breathing ends
When small chamber then with air entry completely cut off；When impeller continues rotation, small chamber from large to small, is compressed gas；When small chamber and exhaust
When mouth communicates, gas is just discharged outside pump.Water ring pump is changing to realize air-breathing, compression and exhaust by pump chamber, because
This it belong to variable-capacity vacuum pump.
At present, though the water ring vacuum pump species of prior art making is more, the inspiratory capacity generally reached is relatively low, mostly only
Reach 10~1000m3/ min, and the vavuum pump tolerance that many large-scale projects or particular application usually need is larger,
And a vavuum pump does not often reach the tolerance of demand, it is common practice to several vavuum pump cooperations are used, to realize
Working condition requirement, but it is that total necessary electromotor power is big so to operate the consequence brought.
Based on this, it is necessary to which high, the green vavuum pump of a kind of small volume, work efficiency is devised.
The content of the invention
Present invention aim to address existing water ring vacuum pump, at home and abroad high-grade hotel and difference are washed in market
Structure design is not reasonable, installation difficulty, power attenuation are big, the technical problem such as operation cost height, obtains a kind of small volume, work efficiency
High, green vavuum pump.
The present invention is to be achieved through the following technical solutions：
A kind of vavuum pump, including the pump housing, the pump cover being detachably connected with pump housing front end, the leaf that is eccentrically mounted in the pump housing
Wheel, pump shaft and the motor being wholely set with pump shaft；
Wherein, lattice sets discharge chamber, inlet chamber, cavitation protection water chamber and water supplying pump on the side end face of the pump cover
Chamber, the discharge chamber and inlet chamber are arranged on the side end face top of pump cover, and the cavitation protection water chamber and water supplying pump chamber are set
The exhaust outlet and a connection inlet chamber of a connection discharge chamber are provided with the top of the bottom of the side end face of pump cover, the pump cover
Air inlet, the side end face of the pump cover is respectively arranged with the cavitation protection feed water inlet of connection cavitation protection water chamber and connects pump
The water supplying pump mouth of water chamber, protected in cavitation on the pump cover and be additionally provided with dewatering outlet between water chamber and water supplying pump chamber, it is described
Impeller is mounted on pump shaft by key connection and draw ratio is 0.5, and disk, flexibility are provided between the impeller and pump cover
Valve block and rigid valve block cover plate, seam are provided with the front end face of the pump housing, the seam is sequentially embedded along impeller direction and set
Be equipped with rigid valve block cover plate, flexible valve block and disk, be provided with the disk eccentric setting corresponding with impeller mounting hole, with
Air entry corresponding to inlet chamber and exhaust outlet corresponding with discharge chamber, the air entry are symmetrical set with exhaust outlet, institute
The area for stating air entry is more than the area of exhaust outlet, and the center of circle of the inner side edge of the air entry overlaps with the center of circle of mounting hole, institute
State and two suction modulation holes are provided with below the arc-shaped side bottom extended line of air entry, the arc-shaped side bottom of the exhaust outlet is prolonged
The flexible exhaust outlet of two row's arcs setting is provided with below long line, two spiral shells are provided between the exhaust outlet and disk border
Silk hole, is provided with four finger-shaped flexible sheets corresponding with flexible exhaust outlet activity on the flexible valve block, the flexible sheets it
Between junction and the ends of flexible sheets be respectively equipped with arc sections, rigid valve block cover plate is adapted with flexible valve block, the pump
The rear end face integrated setting of body has the connecting portion of connection motor front end, and the inspiratory capacity of the pump housing is 10~50m3/h。
The present invention further improvement is that, the length of the impeller is 60mm, outside diameter 120mm, and is with pump shaft
Interference fit.
The present invention further improvement is that, the end set of the impeller has the impeller nut that can carry out physical self-locking.
The present invention further improvement is that, the impeller be unshrouded impeller, and the impeller includes wheel hub and integral with wheel hub
The blade of shaping, the blade are evenly distributed on around wheel hub with hub centre in involute shape, and key is provided with the wheel hub
Groove and the axis hole passed through for pump shaft, the front end that the wheel hub stretches out along pump shaft and wheel hub junction are arc transition.
The present invention further improvement is that, the flexible exhaust outlet shares two groups, in arc per tetrad rectangular arrangement
Line is arranged in the lower section of the arc-shaped side bottom extended line of exhaust outlet.
The present invention further improvement is that, the first two flexibility leaf length on the flexible valve block is identical, and latter two is flexible
Leaf length is identical, and the first two flexibility leaf length is more than the length of latter two flexible sheets.
The present invention further improvement is that, the pump cover, disk, impeller, the pump housing are casting integrated chemical conversion type.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention is designed with the cavitation protection device of uniqueness, to ensure the continuity of the pump whole work efficiency；
2nd, the present invention is by the way that the power transmission shaft of pump and motor shaft are shared, and makes the more compact structure, light of product, also solves
Vibration problem during small size vacuum pump work, user is set simply to install and repair use；
3rd, the present invention can meet to inhale under different pressures of inspiration(Pi) by setting the flexible valve block of unique texture to be combined with disk
The requirement of tolerance change, avoids overcompression or insufficient compression, water ring vacuum pump is put down under various vacuum states all the time
Steady efficient operation；
4th, impeller is loaded onto into anti-rotational key in the present invention, and with the physical self-locking of impeller nut is set, makes the motion of impeller
It is more stable；
5th, the present invention has that match power is small (being less than 4KW), the characteristics of rate of air sucked in required is big, aspirate tolerance scope 10~
50m3/ h, it is 3.3KPa to aspirate minimum absolute pressure, and outlet pressure is 1 atmospheric pressure (101.3KPa), realizes small volume, work
Imitate high, green.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of disk 4 of the present invention；
Fig. 3 is the structural representation of the flexible valve block 7 of the present invention；
Fig. 4 is the structural representation of the rigid valve block cover plate 8 of the present invention；
Fig. 5 is the side view of the rigid valve block cover plate 8 of the present invention；
Fig. 6 is the sectional view of impeller 3 of the present invention；
Fig. 7 is the front view of impeller 3 of the present invention；
Fig. 8 is the structural representation of pump cover of the present invention；
Fig. 9 is the structural representation of the pump housing of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Refer to Fig. 1 to Fig. 9, a kind of vavuum pump, including the pump housing 2, the pump cover 5 being detachably connected with the front end of the pump housing 2, bias
Impeller 3, pump shaft 1 in the pump housing 2 and the motor 9 being wholely set with pump shaft 1；
Wherein, lattice sets discharge chamber 51, inlet chamber 54, cavitation protection water chamber 58 and on the side end face of the pump cover 5
Water supplying pump chamber 59, the discharge chamber 51 and inlet chamber 54 are arranged on the side end face top of pump cover 5, and the cavitation protects water chamber 58
The bottom of the side end face of pump cover 5 is arranged on water supplying pump chamber 59, the top of pump cover 5 is provided with the row of a connection discharge chamber 51
Gas port 52 and an air inlet for connecting inlet chamber 54 53, the side end face of the pump cover 5 are respectively arranged with connection cavitation protection and supplied
The cavitation of water cavity 58 protects feed water inlet 55 and the water supplying pump mouth 57 for connecting water supplying pump chamber 59, protects and supplies in cavitation on the pump cover 5
Be additionally provided with dewatering outlet 56 between water cavity 58 and water supplying pump chamber 59, the impeller 3 be mounted on by key connection on pump shaft 1 and
Draw ratio is 0.5, and disk 4, flexible valve block 7 and rigid valve block cover plate 8, the pump housing are provided between the impeller 3 and pump cover 5
Seam 21 is provided with 2 front end face, the seam 21 is sequentially embedded along the direction of impeller 3 is provided with rigid valve block cover plate 8, flexibility
Valve block 7 and disk 4, it is provided with the disk 4 and the mounting hole of 3 corresponding eccentric setting of impeller, corresponding with inlet chamber 54 inhales
Gas port 41 and exhaust outlet 42 corresponding with discharge chamber 51, the air entry 41 are symmetrical set with exhaust outlet 42, the suction
The area of gas port 41 is more than the area of exhaust outlet 42, the air entry 41 of large area be ensure to be sucked gas can smoothly and constantly
Supplement, the exhaust outlet 42 of small area are the continuous discharges for ensureing to be sucked gas, make vavuum pump normal operation, the air entry 41
The center of circle of inner side edge overlapped with the center of circle of mounting hole, be provided with two below the arc-shaped side bottom extended line of the air entry 41
Individual suction modulation hole 45, the flexible row of two row's arcs setting is provided with below the arc-shaped side bottom extended line of the exhaust outlet 42
Gas port 43, two screw holes 44 are provided between exhaust outlet 42 and disk 4 edge, for installing flexible valve block 7 and rigidity
Valve block cover plate 8, four finger-shaped flexible sheets corresponding with the flexible activity of exhaust outlet 43 are provided with the flexible valve block 7, it is described
The end of junction and flexible sheets between flexible sheets is respectively equipped with arc sections, can realize under different gas pressures,
By the discharge rate of the part opening and closing regulation gas of flexible valve block 7, rigid valve block cover plate 8 is adapted with flexible valve block 7, and control is soft
Property valve block 7 maximum expansion degree, so as to efficiently control the vacuum of the product, the rear end face integrated setting of the pump housing 2
There is the connecting portion of connection motor 9 front end, the inspiratory capacity of the pump housing 2 is 10~50m3/ h, aspirating minimum absolute pressure is
3.3KPa, outlet pressure are 1 atmospheric pressure (101.3KPa).In such scheme, because the lattice of pump cover 5 is set, by gas
Suction and discharge separated, determine gas enters outgoing direction, there is provided the passage of pump fluid, to ensure water ring vacuum pump just
Often continuous moisturizing during work.Three passages of palpus each play a role in the case of sealing during water ring vacuum pump normal work, and
It does not interfere with each other, while sets cavitation to protect mouth, anti-locking apparatus is for a long time by oligodynamical in impulsive force repeated action and liquid
There is spot and crackle or even damaged in the chemical attack effect of oxygen, local surfaces.
When it is implemented, the length of the impeller 3 is 60mm, outside diameter 120mm, and be interference fit with pump shaft 1,
Enable being attached on pump housing inwall and forming water ring tightly of the water in the pump housing, stable performance during operating.
When it is implemented, the end set of the impeller 3 has the impeller nut 6 that can carry out physical self-locking, impeller 3 is prevented
Loosening is produced, ensures the stability of the course of work.
When it is implemented, the impeller 3 is unshrouded impeller, the impeller 3 include wheel hub and with the integrally formed leaf of wheel hub
Piece 32, the blade 32 are evenly distributed on around wheel hub with hub centre in involute shape, and keyway 34 is provided with the wheel hub
With the axis hole 33 passed through for pump shaft, the front end and wheel hub junction that the wheel hub stretches out along pump shaft 1 are arc transition 31, open type leaf
Wheel is easy to the suction and discharge of gas, and the gap between the end face of unshrouded impeller and disk 4 is closed by liquid, and impeller 3 is to liquid
Body produces centrifugal force, and impeller 3 is gradually reduced in the preceding half way around sealed volume of rotation, gas is discharged from exhaust outlet, and wheel hub is along pump
The arc transition 31 of the front end that axle 1 stretches out and wheel hub junction can avoid the deposition of gas, prevent gas at high temperature under high pressure
To the cavitation of impeller 3.
When it is implemented, the flexible exhaust outlet 43 shares two groups, is arranged in camber line per the rectangular arrangement of tetrad
The lower section of the arc-shaped side bottom extended line of exhaust outlet 42, air exhaust energy consumption is reduced, keep the balance of working condition.
When it is implemented, the first two flexibility leaf length on the flexible valve block 7 is identical, latter two flexible leaf length phase
Together, and the first two flexibility leaf length is more than the length of latter two flexible sheets.
Using the above-mentioned disk 4 being engaged and flexible valve block 7, the pumping efficiency for improving liquid-ring vacuum pump at double, and
Cause the radial force autobalance of the pump housing 2, increase the service life, often rotate a circle, each elementary volume, volume element can carry out gas twice
Compression and expansion process, are greatly reduced air exhaust energy consumption.
When it is implemented, the pump cover 5, disk 4, impeller 3, the pump housing 2 are casting integrated chemical conversion type, environmental protection can be selected
Type aluminium alloy is made, and stamping technique ensure that the fine curve of part and the stabilization of shape, makes the high-precision quality of part all the time
Controlled and ensured.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of vavuum pump, it is characterised in that the pump cover that is detachably connected including the pump housing, with pump housing front end, be eccentrically mounted at pump
Internal impeller, pump shaft and the motor being wholely set with pump shaft；
Wherein, lattice sets discharge chamber, inlet chamber, cavitation protection water chamber and water supplying pump chamber, institute on the side end face of the pump cover
State discharge chamber and inlet chamber is arranged on the side end face top of pump cover, the cavitation protection water chamber and water supplying pump chamber are arranged on pump cover
Side end face bottom, the air inlet of the exhaust outlet and a connection inlet chamber of a connection discharge chamber is provided with the top of the pump cover
Mouthful, the side end face of the pump cover is respectively arranged with connection cavitation and protects the cavitation protection feed water inlet of water chamber and connect water supplying pump chamber
Water supplying pump mouth, protected in cavitation on the pump cover and be additionally provided with dewatering outlet between water chamber and water supplying pump chamber, the impeller leads to
Cross key connection be mounted on pump shaft and draw ratio be 0.5, be provided between the impeller and pump cover disk, flexible valve block and
Rigid valve block cover plate, seam is provided with the front end face of the pump housing, the seam is sequentially embedded along impeller direction to be provided with just
Property valve block cover plate, flexible valve block and disk, the mounting hole and inlet chamber of eccentric setting corresponding with impeller are provided with the disk
Corresponding air entry and exhaust outlet corresponding with discharge chamber, the air entry are symmetrical set with exhaust outlet, the air-breathing
The area of mouth is more than the area of exhaust outlet, and the center of circle of the inner side edge of the air entry overlaps with the center of circle of mounting hole, the air-breathing
Two suction modulation holes are provided with below the arc-shaped side bottom extended line of mouth, the arc-shaped side bottom extended line of the exhaust outlet
Lower section is provided with the flexible exhaust outlet of two row's arcs setting, and two screw holes are provided between the exhaust outlet and disk border,
It is provided with four finger-shaped flexible sheets corresponding with flexible exhaust outlet activity on the flexible valve block, the company between the flexible sheets
The place of connecing and the end of flexible sheets are respectively equipped with arc sections, and rigid valve block cover plate is adapted with flexible valve block, after the pump housing
End face integrated setting has the connecting portion of connection motor front end, and the inspiratory capacity of the pump housing is 10~50m3/h。
A kind of 2. vavuum pump according to claim 1, it is characterised in that：The length of the impeller is 60mm, outside diameter
For 120mm, and it is interference fit with pump shaft.
A kind of 3. vavuum pump according to claim 1, it is characterised in that：The end set of the impeller has and can carry out physics
The impeller nut of property self-locking.
A kind of 4. vavuum pump according to claim 1, it is characterised in that：The impeller is unshrouded impeller, the impeller bag
Include wheel hub and be evenly distributed on the integrally formed blade of wheel hub, the blade with hub centre in involute shape around wheel hub,
Keyway and the axis hole passed through for pump shaft are provided with the wheel hub, the wheel hub is along the front end that pump shaft stretches out and wheel hub junction
Arc transition.
A kind of 5. vavuum pump according to claim 1, it is characterised in that：The flexible exhaust outlet is rectangular per tetrad
Arrangement, shares two groups, the lower section of the arc-shaped side bottom extended line of exhaust outlet is arranged in camber line.
A kind of 6. vavuum pump according to claim 1, it is characterised in that：The first two flexibility length of a film on the flexible valve block
Spend identical, latter two flexible leaf length is identical, and the first two flexibility leaf length is more than the length of latter two flexible sheets.
A kind of 7. vavuum pump according to claim 1, it is characterised in that：The pump cover, disk, impeller, the pump housing are casting
Make integrated molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207623.6A CN107762896B (en) | 2017-11-27 | 2017-11-27 | Vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711207623.6A CN107762896B (en) | 2017-11-27 | 2017-11-27 | Vacuum pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107762896A true CN107762896A (en) | 2018-03-06 |
| CN107762896B CN107762896B (en) | 2023-12-12 |
Family
ID=61277039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711207623.6A Active CN107762896B (en) | 2017-11-27 | 2017-11-27 | Vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107762896B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682328A (en) * | 2021-01-05 | 2021-04-20 | 南京方显精商贸有限公司 | Vacuum pump for preparing cell culture medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005106026A (en) * | 2003-10-02 | 2005-04-21 | Boc Edwards Kk | Vacuum pump |
| CN202149062U (en) * | 2011-07-22 | 2012-02-22 | 上海真空泵厂有限公司 | Novel double-sealing energy-saving water-ring vacuum pump |
| CN202954996U (en) * | 2012-11-01 | 2013-05-29 | 淄博水环真空泵厂有限公司 | Efficient water ring vacuum pump body with ultrahigh sucking rate |
| CN207500153U (en) * | 2017-11-27 | 2018-06-15 | 武汉艾德沃泵阀有限公司 | A kind of vacuum pump |
-
2017
- 2017-11-27 CN CN201711207623.6A patent/CN107762896B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005106026A (en) * | 2003-10-02 | 2005-04-21 | Boc Edwards Kk | Vacuum pump |
| CN202149062U (en) * | 2011-07-22 | 2012-02-22 | 上海真空泵厂有限公司 | Novel double-sealing energy-saving water-ring vacuum pump |
| CN202954996U (en) * | 2012-11-01 | 2013-05-29 | 淄博水环真空泵厂有限公司 | Efficient water ring vacuum pump body with ultrahigh sucking rate |
| CN207500153U (en) * | 2017-11-27 | 2018-06-15 | 武汉艾德沃泵阀有限公司 | A kind of vacuum pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112682328A (en) * | 2021-01-05 | 2021-04-20 | 南京方显精商贸有限公司 | Vacuum pump for preparing cell culture medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107762896B (en) | 2023-12-12 |
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