CN106050664A - Composite rotor vacuum pump - Google Patents
Composite rotor vacuum pump Download PDFInfo
- Publication number
- CN106050664A CN106050664A CN201610639358.8A CN201610639358A CN106050664A CN 106050664 A CN106050664 A CN 106050664A CN 201610639358 A CN201610639358 A CN 201610639358A CN 106050664 A CN106050664 A CN 106050664A
- Authority
- CN
- China
- Prior art keywords
- rotor
- vacuum pump
- motor stator
- rotors
- pump
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C25/00—Adaptations of pumps for special use of pumps for elastic fluids
- F04C25/02—Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
Abstract
The invention discloses a composite rotor vacuum pump. The composite rotor vacuum pump comprises a pump chamber and a rotor. The rotor comprises two rotor shafts synchronously rotating along opposite directions, two ends of the rotor shaft are supported through bearings at two ends in the pump chamber, the pump chamber is provided with an air inlet and an air outlet, the vacuum pump also comprises a motor rotor and a motor stator, the motor rotor is fixed to the rotor shaft, and a position in the pump chamber corresponding to the motor rotor is provided with the common motor stator. The motor stator and motor rotor drive the rotor shafts to rotate so that a structure is greatly simplified, a seal structure is simplified and equipment reliability is improved. The composite rotor vacuum pump solves the technical problem that the traditional vacuum pump has a complex structure, large gear driving noise and high oil consumption.
Description
Technical field
The present invention relates to a kind of composite rotors vacuum pump.
Background technology
At present, vacuum pump is the equipment that industrial circle commonly uses, and Roots vaccum pump, claw shape dry type vacuum pump, screw rod are dry
Formula vacuum pump is the vacuum pump of the more commonly used several double-rod.The ultimate principle of above-mentioned several vacuum pump is identical, all passes through
Motor and gear train coordinate and drive wherein two rotary shafts to rotate, and carry out the exclusion of air thus shape by engaged section above
Become vacuumizing and exhausting.But this mode exists the biggest problem, owing to its structure is especially complex, seal position various, so
Reliability is low.In transmission process, shaft coupling, gear can cause substantial amounts of energy consumption；Gear, in running, engages each other and can produce
Raw huge noise, simultaneously need to pumping fluid lubrication, pumping fluid consumes relatively big, so operating cost is high.Ask based on above-mentioned
Topic, needs a kind of composite rotors vacuum pump badly, solves traditional vacuum pump configuration complicated, the skill that gear transmission noise is big, oil consumption is high
Art problem.
Summary of the invention
It is an object of the invention to provide a kind of composite rotors vacuum pump, solve traditional vacuum pump configuration complicated, gear
The technical problem that drive noise is big, oil consumption is high.
The present invention uses following technical scheme:
A kind of composite rotors vacuum pump, it includes: pump chamber (1), air inlet (11), air vent (12), bearing；Described pump chamber
(1) having rotor (2) in, the two ends of described rotor (2) are supported on described bearing by armature spindle (21)；Described pump chamber (1)
Outer one end arranges motor stator (4), configuration rotor (3), described rotor (3) in described motor stator (4)
Connect the armature spindle (21) of the rotor (2) fixed in described pump chamber.
Having two rotors (2) in described pump chamber (1), the two ends of described rotor (2) are supported by respective armature spindle (21)
On described bearing: described pump chamber (1) one end outward arranges a motor stator (4), configuration in described motor stator (4)
The rotor (3) that two high speeds, synchronous backwards rotate, two described rotors (3) share a described motor and determine
Son (4)；Two described rotors (3) connect the armature spindle (21) of two rotors (2) in fixing described pump chamber respectively.
Described rotor (3) is the cylinder of hollow, and described armature spindle (21) penetrates described rotor (3)
Centre bore connect fixing.
Described motor stator (4) is hollow columnar.
Pump chamber one end described in the next-door neighbour of described rotor (3), motor stator (4) bottom, and the pump chamber described in blocking
One end.
Two described rotors (3) are the hollow cylindrical body that structure is identical, and the cross section of described motor stator (4) is
The figure of eight, two described rotors (3) are symmetrical and are arranged side by side in described motor stator (4), described rotor (3)
Two circles with described motor stator (4) the cross section figure of eight are arranged concentrically respectively, and described armature spindle (21) penetrates described electricity
The centre bore of machine rotor (3) connects fixing.
Described pump chamber bearings at both ends the inner is provided with sealing.
Described vacuum pump is Roots vaccum pump or claw shape dry type vacuum pump or screw rod dry vacuum pump.
Described rotor is Roots vacuum pump rotor or pawl-type dry vacuum pump rotor or screw rod dry type vacuum pump rotor.
Advantages of the present invention is as follows:
1. directly drive pump chamber rotor to rotate by motor stator, rotor, significantly simplify drive mechanism, contract simultaneously
Subtract sealing structure, improve the reliability of equipment.
2. the gear transmission mode before instead of, noise is reduced to original 1/3rd.
3. number of fitting parts reduces 2/3rds, and pumping fluid consumption reduces, and manufacturing cost reduces.
4. complete machine security performance is high, can accomplish zero leakage, there is not the potential safety hazard of leakage.
Accompanying drawing illustrates:
Sectional structure schematic diagram when Fig. 1 is the embodiment of the present invention one rotor, motor stator is positioned at pump chamber lower end；
Sectional structure schematic diagram when Fig. 2 is the embodiment of the present invention one rotor, motor stator is positioned at pump chamber upper end；
Fig. 3 is the B-B cross-sectional view of Fig. 2 of the present invention；
Fig. 4 is the A-A cross-sectional view of Fig. 2 of the present invention；
Sectional structure schematic diagram when Fig. 5 is the embodiment of the present invention two rotor, motor stator is positioned at pump chamber upper end；
Sectional structure schematic diagram when Fig. 6 is the embodiment of the present invention two rotor, motor stator is positioned at pump chamber lower end；
Fig. 7 is the D-D cross-sectional view of Fig. 5 of the present invention；
Fig. 8 is the C-C cross-sectional view of Fig. 5 of the present invention；
Detailed description of the invention
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described further.
Following example are only for clearly inventing this example, and not limit to embodiments of the present invention
Fixed.For those of ordinary skill in the field, other multi-forms can also be made on the basis of the following description
Change or variation, and these belong to the spiritual obvious change drawn of the present invention or the variation protection still in the present invention
Among scope.
Seeing each accompanying drawing, a kind of composite rotors vacuum pump, it includes: pump chamber (1), air inlet (11), air vent (12), axle
Hold；Having rotor (2) in described pump chamber (1), the two ends of described rotor (2) are supported on described bearing by armature spindle (21)；
Described pump chamber (1) one end outward arranges motor stator (4), and in described motor stator (4), configuration rotor (3), described
Rotor (3) connects the armature spindle (21) of the rotor (2) in fixing described pump chamber.
Having two rotors (2) in described pump chamber (1), the two ends of described rotor (2) are supported by respective armature spindle (21)
On described bearing: described pump chamber (1) one end outward arranges a motor stator (4), configuration in described motor stator (4)
The rotor (3) that two high speeds, synchronous backwards rotate, two described rotors (3) share a described motor and determine
Son (4)；Two described rotors (3) connect the armature spindle (21) of two rotors (2) in fixing described pump chamber respectively.
Described rotor (3) is the cylinder of hollow, and described armature spindle (21) penetrates described rotor (3)
Centre bore connect fixing.
Described motor stator (4) is hollow columnar.
Pump chamber one end described in the next-door neighbour of described rotor (3), motor stator (4) bottom, and the pump chamber described in blocking
One end.
Two described rotors (3) are the hollow cylindrical body that structure is identical, and the cross section of described motor stator (4) is
The figure of eight, two described rotors (3) are symmetrical and are arranged side by side in described motor stator (4), described rotor (3)
Two circles with described motor stator (4) the cross section figure of eight are arranged concentrically respectively, and described armature spindle (21) penetrates described electricity
The centre bore of machine rotor (3) connects fixing；See Fig. 3, shown in 8.
Described pump chamber bearings at both ends the inner is provided with sealing.
Described vacuum pump is Roots vaccum pump or claw shape dry type vacuum pump or screw rod dry vacuum pump.
Described rotor is Roots vacuum pump rotor or pawl-type dry vacuum pump rotor or screw rod dry type vacuum pump rotor.
Embodiment one:
It is the structural representation after applying the invention to screw rod dry vacuum pump as Figure 1-4；Concrete technical scheme
As previously mentioned.Do not repeat them here.
Its operation principle is as follows:
Being energized described motor stator, after energising, the described rotor on described pump chamber internal rotor forms faradism
Kinetic potential, owing to described motor stator is common one, so two motor rotor frequencies are identical.Rotor can be with same
Frequency rotates, and drives pump chamber internal rotor high speed, reverse sync to rotate, and has thus met rotor shaft of vacuum pump and has synchronized and mutual
The requirement reversely rotated, instead of traditional motor, shaft coupling, gear train.
Thus, eliminate traditional motor driven gear group, drive pump chamber rotor to carry out the labyrinth rotated.Significantly contract
Subtract the complexity of structure, be simultaneously fabricated into this and the most significantly reduce.Owing to there is no the drive disk assemblies such as gear, the most various sealing
Parts are also simplified.Structural reliability after simplification strengthens the most therewith.
During traditional motor-driven, connect motor, gear train frequently by shaft coupling, produce substantial amounts of energy consumption.Separately
Outward, during meshed transmission gear, noise is huge.Gear drive simultaneously needs pumping fluid to lubricate, and pumping fluid lubrication consumes
The biggest, cause operating cost to raise.The mode using technical solution of the present invention makes problem above be obtained for thoroughly solution,
Significantly reduce energy consumption.
Embodiment two
As viewed in figures 5-8 for applying the invention to the structural representation after Roots vaccum pump, due to its again by
Birotor carries out transmission, so being also suitable for technical solution of the present invention.Concrete technical scheme is as it was previously stated, the most superfluous at this
State；
Applying the invention to Roots vaccum pump, its roots rotor can be two leaf roots rotors, SANYE or four leaf Roots
Rotor.
Present configuration overcomes above-mentioned all of shortcoming, can be used on Roots vaccum pump, claw shape dry type vacuum pump, screw rod do
Multiple pair of formula vacuum pumps etc. turn in shaft design structure.This technical scheme can be also used for oil-free screw air compressor in the same way
Or all synchronize reciprocal Twin-shaft machinery mechanism.As long as solving the technical problem that identical, it is all suitable for technical scheme.
Claims (9)
1. a composite rotors vacuum pump, it includes: pump chamber (1), air inlet (11), air vent (12), bearing；Described pump chamber
(1) having rotor (2) in, the two ends of described rotor (2) are supported on described bearing by armature spindle (21), it is characterised in that:
Described pump chamber (1) one end outward arranges motor stator (4), configuration rotor (3), described motor in described motor stator (4)
Rotor (3) connects fixing described armature spindle (21).
2. according to claim 1 composite rotors vacuum pump, it is characterised in that: there are two rotors (2) in described pump chamber (1),
The two ends of described rotor (2) are supported on described bearing by respective armature spindle (21), and described pump chamber (1) one end outward sets
Put a motor stator (4), the rotor (3) that in described motor stator (4), two high speeds of configuration, synchronous backward rotate,
Two described rotors (3) share a described motor stator (4)；Two described rotors (3) connect respectively
Fixing described armature spindle (21).
A kind of composite rotors vacuum pump the most according to claim 1 and 2, it is characterised in that: during described rotor (3) is
Empty cylinder, described armature spindle (21) penetrates the centre bore of described rotor (3) and connects fixing.
A kind of composite rotors vacuum pump the most according to claim 3, it is characterised in that: during described motor stator (4) is
Void column shape.
A kind of composite rotors vacuum pump the most according to claim 1 and 2, it is characterised in that: described rotor (3),
Pump chamber one end described in the next-door neighbour of motor stator (4) bottom, and the pump chamber one end described in closure.
A kind of composite rotors vacuum pump the most according to claim 2, it is characterised in that: two described rotors (3) are
The hollow cylindrical body that structure is identical, the cross section of described motor stator (4) is the figure of eight, and two described rotors (3) are symmetrical
And be arranged side by side in described motor stator (4), described rotor (3) respectively with described motor stator (4) the cross section figure of eight
Two circles be arranged concentrically, described armature spindle (21) penetrates the centre bore of described rotor (3) and connects fixing.
7. according to a kind of composite rotors vacuum pump described in claim 1,2, it is characterised in that: in described pump chamber bearings at both ends
End is provided with sealing.
8. according to a kind of composite rotors vacuum pump described in right 2, it is characterised in that: described vacuum pump is Roots vaccum pump or pawl
Type dry vacuum pump or screw rod dry vacuum pump.
A kind of composite rotors vacuum pump the most according to claim 2, it is characterised in that: described rotor is that Roots vaccum pump turns
Son or pawl-type dry vacuum pump rotor or screw rod dry type vacuum pump rotor.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639358.8A CN106050664A (en) | 2016-08-05 | 2016-08-05 | Composite rotor vacuum pump |
| PCT/CN2017/090483 WO2018024050A1 (en) | 2016-08-05 | 2017-06-28 | Bi-motor composite-rotor double-shaft transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610639358.8A CN106050664A (en) | 2016-08-05 | 2016-08-05 | Composite rotor vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050664A true CN106050664A (en) | 2016-10-26 |
Family
ID=57480412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610639358.8A Pending CN106050664A (en) | 2016-08-05 | 2016-08-05 | Composite rotor vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050664A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151031A (en) * | 2016-09-30 | 2016-11-23 | 北京艾岗科技有限公司 | A kind of oil free screw air compressor machine |
| CN107044420A (en) * | 2017-05-25 | 2017-08-15 | 杭州久益机械股份有限公司 | One kind driving integral type screw vacuum pump |
| CN107131124A (en) * | 2017-05-25 | 2017-09-05 | 杭州久益机械股份有限公司 | One kind driving integral type screw rotor |
| WO2018024050A1 (en) * | 2016-08-05 | 2018-02-08 | 北京朗禾科技有限公司 | Bi-motor composite-rotor double-shaft transmission device |
| CN108183578A (en) * | 2018-03-27 | 2018-06-19 | 河南凌翼智联装备有限公司 | The coaxial servo drive of Shuangzi formula |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904473A (en) * | 1995-06-21 | 1999-05-18 | Sihi Industry Consult Gmbh | Vacuum pump |
| EP1061260A1 (en) * | 1999-05-18 | 2000-12-20 | Sterling Fluid Systems (Germany) GmbH | Positive displacement machine for compressible fluids |
| EP2532895A1 (en) * | 2011-06-06 | 2012-12-12 | Vacuubrand Gmbh + Co Kg | Vacuum pump with pump rotor bearings on a single side |
| CN104204530A (en) * | 2012-02-28 | 2014-12-10 | 阿特拉斯·科普柯空气动力股份有限公司 | Screw compressor |
| CN204200575U (en) * | 2014-07-31 | 2015-03-11 | 上海宝镀真空设备科技有限公司 | A kind of Roots pump of quiet close structure |
| CN205401126U (en) * | 2016-03-29 | 2016-07-27 | 厦门东亚机械有限公司 | Air compressor machine of institutional advancement |
| CN205955993U (en) * | 2016-08-05 | 2017-02-15 | 北京朗禾科技有限公司 | Composite rotors vacuum pump |
-
2016
- 2016-08-05 CN CN201610639358.8A patent/CN106050664A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5904473A (en) * | 1995-06-21 | 1999-05-18 | Sihi Industry Consult Gmbh | Vacuum pump |
| EP1061260A1 (en) * | 1999-05-18 | 2000-12-20 | Sterling Fluid Systems (Germany) GmbH | Positive displacement machine for compressible fluids |
| EP2532895A1 (en) * | 2011-06-06 | 2012-12-12 | Vacuubrand Gmbh + Co Kg | Vacuum pump with pump rotor bearings on a single side |
| CN104204530A (en) * | 2012-02-28 | 2014-12-10 | 阿特拉斯·科普柯空气动力股份有限公司 | Screw compressor |
| CN204200575U (en) * | 2014-07-31 | 2015-03-11 | 上海宝镀真空设备科技有限公司 | A kind of Roots pump of quiet close structure |
| CN205401126U (en) * | 2016-03-29 | 2016-07-27 | 厦门东亚机械有限公司 | Air compressor machine of institutional advancement |
| CN205955993U (en) * | 2016-08-05 | 2017-02-15 | 北京朗禾科技有限公司 | Composite rotors vacuum pump |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018024050A1 (en) * | 2016-08-05 | 2018-02-08 | 北京朗禾科技有限公司 | Bi-motor composite-rotor double-shaft transmission device |
| CN106151031A (en) * | 2016-09-30 | 2016-11-23 | 北京艾岗科技有限公司 | A kind of oil free screw air compressor machine |
| CN107044420A (en) * | 2017-05-25 | 2017-08-15 | 杭州久益机械股份有限公司 | One kind driving integral type screw vacuum pump |
| CN107131124A (en) * | 2017-05-25 | 2017-09-05 | 杭州久益机械股份有限公司 | One kind driving integral type screw rotor |
| CN107044420B (en) * | 2017-05-25 | 2019-11-26 | 杭州久益机械股份有限公司 | A kind of driving integral type screw vacuum pump |
| CN107131124B (en) * | 2017-05-25 | 2020-01-14 | 杭州久益机械股份有限公司 | Driving integrated screw rotor |
| CN108183578A (en) * | 2018-03-27 | 2018-06-19 | 河南凌翼智联装备有限公司 | The coaxial servo drive of Shuangzi formula |
| CN108183578B (en) * | 2018-03-27 | 2024-04-02 | 河南凌翼智联装备有限公司 | Double-type coaxial servo driving device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
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