CN109296561A - A kind of bearing and a kind of fan - Google Patents
A kind of bearing and a kind of fan Download PDFInfo
- Publication number
- CN109296561A CN109296561A CN201811041649.2A CN201811041649A CN109296561A CN 109296561 A CN109296561 A CN 109296561A CN 201811041649 A CN201811041649 A CN 201811041649A CN 109296561 A CN109296561 A CN 109296561A
- Authority
- CN
- China
- Prior art keywords
- paillon
- bearing
- ring
- wave
- slot section
- 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
- 238000009434 installation Methods 0.000 claims abstract description 24
- 241000883990 Flabellum Species 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000011888 foil Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007306 turnover Effects 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
- F04D29/00—Details, component parts, or accessories
- F04D29/05—Shafts or bearings, or assemblies thereof, specially adapted for elastic fluid pumps
- F04D29/056—Bearings
- F04D29/057—Bearings hydrostatic; hydrodynamic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0633—Details of the magnetic circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/663—Sound attenuation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to, disclose a kind of bearing and fan, bearing includes: outer ring, is connected with the rotating shaft inner ring, the outer ring is towards being equipped with N number of installation position on the side of the inner ring, a flat paillon and a wave paillon are mounted on each installation position, each flat paillon is set around the axle center ring of the outer ring, and each wave paillon is set around the axle center ring of the outer ring;And the wave paillon is located between the flat paillon and the outer ring.Wave paillon peace paillon includes that muti-piece group circularizes, and since wave paillon is divided into muti-piece, flat paillon also distinguishes muti-piece, the face that the flat paillon and wave paillon of monolithic bear pressure is smaller, rigidity gets a promotion, it is not easy to deform, promote the bearing capacity and stability of bearing.
Description
Technical field
The present invention relates to Aerodynamic Foil Journal Bearing, in particular to a kind of bearing and a kind of fan.
Background technique
Gas bearing is a kind of fluid film lubrication bearing using gas as lubricant medium, i.e., the shape between axis and bearing
At air film, moving surface and stationary face is made to avoid occurring directly contacting.Aerodynamic Foil Journal Bearing is radial gas bearing provided
A kind of important form, it is studied in recent years using being paid more and more attention, and rapidly developed.
At least there are the following problems in the prior art for inventor's discovery: axis is in rotation, due to the gravity of axis, below axis
Wave paillon will receive certain gas pressure, and wave paillon is wholely set, and the face for bearing pressure is larger, and insufficient rigidity is easy to happen
Deformation, the bearing capacity and stability of bearing are poor.
Summary of the invention
The purpose of the present invention is to provide a kind of bearing, the pressure-bearing surface of wave paillon peace paillon is smaller, and rigidity is larger, is promoted
The bearing capacity and stability of bearing.
In order to solve the above technical problems, embodiments of the present invention provide a kind of bearing, comprising: outer ring connects with shaft
The inner ring connect, the outer ring are mounted on one on each installation position towards N number of installation position is equipped on the side of the inner ring
A flat paillon and a wave paillon, each flat paillon are set around the axle center ring of the outer ring, and each wave paillon is around the outer ring
Axle center ring set;And the wave paillon is located between the flat paillon and the outer ring.
In terms of existing technologies, wave paillon peace paillon includes that muti-piece group circularizes to embodiment of the present invention, by
It is divided into muti-piece in wave paillon, flat paillon also distinguishes muti-piece, and the face that the flat paillon and wave paillon of monolithic bear pressure is smaller, rigidity
It gets a promotion, it is not easy to deform, promote the bearing capacity and stability of bearing.
In addition, the flat paillon is equipped with the first mounting portion, first mounting portion is for the flat paillon to be mounted on
On the corresponding installation position, the wave paillon is equipped with the second mounting portion, and second mounting portion is used for the wave paillon
It is mounted on the corresponding installation position.
In addition, first mounting portion includes: the first connection sheet connecting with the flat paillon and first connection sheet
It is connected and with first connection sheet at the first fixinig plate of the first default angle;Second mounting portion includes: and the wave
Second connection sheet of paillon connection, be connected with second connection sheet and with second connection sheet at the second default angle the
Two fixinig plates;The installation position include: be provided with the outer ring towards on the side of the inner ring the first mounting groove, with it is described
Second mounting groove of the first mounting groove connection, wherein first connection sheet and second connection sheet are for being caught in described the
In one mounting groove, first fixinig plate and second fixinig plate are for being caught in second mounting groove.First fixinig plate
Form an angle with the first connection sheet, the second fixinig plate forms an angle with the second connection sheet, can be stuck in the second mounting groove.
Wave paillon peace paillon is prevented to be detached from outer ring.
In addition, second mounting groove includes: the first slot section, the second slot section for being connected with the first slot section, and described
First slot section and the second slot section extend towards the direction being located remotely from each other each other, and first fixinig plate is for being caught in described the
One slot section, second fixinig plate is for being caught in the second slot section;Shape between the first slot section and first mounting groove
At the described first default angle, the described second default angle is formed between the second slot section and first mounting groove.
In addition, the first default angle and the described second default angle are 90 °.
It is another object of the present invention to provide a kind of fan, ultrahigh speed rotation can be carried out, and can in ultrahigh speed
To reduce noise and extend the service life.
In order to solve the above technical problems, embodiments of the present invention provide a kind of fan, comprising: flabellum is connected to institute
State the shaft on flabellum, bearing as described above, the driving assembly for driving flabellum rotation, for storing the driving
The outline border of component, the shaft and the bearing fit, the bearing are installed on the outline border.
Embodiment of the present invention in terms of existing technologies, when carrying out ultrahigh speed rotation, match flabellum with bearing by shaft
It closes, due to the setting of bearing medium wave paillon peace paillon, shaft floating can rotate within the bearing, and resistance and friction are minimum, can
To substantially reduce noise, reduces abrasion, promote the service life of fan.
In addition, the driving component include: the iron core being located on the outline border, the magnet ring of iron core described in ring set, will be described
Magnet ring is mounted on the magnetosheath on the fan, and the iron core is used to generate when being powered and the mutually exclusive magnetic force of the magnet ring,
The magnet ring is driven to be rotated.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the side view of first embodiment middle (center) bearing;
Fig. 2 is the partial structural diagram of first embodiment middle (center) bearing;
Fig. 3 is the cross-sectional view of fan in third embodiment.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to each reality of the invention
The mode of applying is explained in detail.However, it will be understood by those skilled in the art that in each embodiment of the present invention,
In order to make the reader understand this application better, many technical details are proposed.But even if without these technical details and base
In the various changes and modifications of following embodiment, the application technical solution claimed also may be implemented.
The first embodiment of the present invention is related to a kind of bearings, cooperate shaft rotation as lubricant medium by air.
As shown in Figure 1, bearing includes: inner ring (being not drawn into figure) and outer ring 1, inner ring is used to cooperate with shaft, 1 court of outer ring
Multiple installation positions are equipped with to the side of inner ring, are equipped with 5 installation positions in present embodiment, certainly, installation position may be it
His quantity is only not specifically limited in present embodiment by taking 5 installation positions as an example.One flat foil is installed on one installation position
Piece 4 and a wave paillon 5, each flat paillon 4 and wave paillon 5 are set around 1 axle center ring of outer ring, and each flat paillon 4 constitutes annular flat paillon
Group, each wave paillon 5 constitute circumferential wave paillon group.
In conjunction with Fig. 2, flat paillon 4 is equipped with the first mounting portion 41, and the first mounting portion 41 includes: the connect with flat paillon 4
A connecting piece 411, the first fixinig plate 41 being connected with the first connection sheet 411, wherein the first connection sheet 411 and the first fixinig plate 41
Between be mutually the first default angle;Wave paillon 5 is equipped with the second mounting portion 51, and the second mounting portion 51 includes: to connect with flat paillon 4
The second connection sheet 511, the second fixinig plate 51 for being connected with the second connection sheet 511, wherein the second connection sheet 511 and second is fixed
The first default angle is mutually between piece 51;Installation position includes: the first mounting groove for being provided with outer ring 1 towards a side surface of inner ring
31, the second mounting groove 3 being connected to the first installation, the second mounting groove 3 include interconnected the first slot section 321 and the second slot section
322, the first slot section 321 and the second slot section 322 extend in the direction away from each other respectively.
When installing flat paillon 4, the first connection sheet 411 is caught in the first mounting groove 31, and the first fixinig plate 41 is blocked
Enter in the first slot section 321, be also in the first default angle between the first slot section 321 and the first mounting groove 31, includes the first connection sheet
411 and first fixinig plate 41 can smoothly be caught in installation position;When installing wave paillon 5, the second connection sheet 511 is caught in first
In mounting groove 31, and the second fixinig plate 51 is caught in the second slot section 322, in the between the second slot section 322 and the first mounting groove 31
Two default angles guarantee that the second connection sheet 511 and the second fixinig plate 51 can be smoothly caught in installation position.
In present embodiment, the first default angle and the second default angle are 90 °, certainly, the first default angle and
Two default angles may be other angles, is only not specifically limited for 90 degree in present embodiment.
On the same installation position, the installation direction of flat paillon 4 and the installation direction of wave paillon 5 are on the contrary, five flat paillons 4
Annular is constituted, each other there are a little gap, five wave paillons 5 constitute annular, and there are a little gaps each other.Flat paillon
4 and wave paillon 5 be all to be process by precision machinery, the pitch and wave height of wave paillon 5 also modified feature, this knot
Structure feature enables the bearing to capture more air and keeps the air film between shaft peace paillon 4, reduce air from
The leakage of foil edge, turnover and inner ring float between annular flat paillon 4 in rotation, and air accepts shaft and inner ring, provide
Support force, and reaction force is applied to flat paillon 4 and wave paillon 5, flat paillon 4 and wave paillon 5 when accepting reaction force, due to
The flat paillon 4 and 5 area of wave paillon of monolithic are smaller, and rigidity is larger, and the ability for bearing active force is stronger, are not susceptible to deform or damage
It is bad, guarantee the stability of air film when shaft and inner ring rotate, promotes the bearing capacity and stability of bearing.
Second embodiment of the present invention is related to a kind of bearing.Second embodiment is roughly the same with first embodiment,
Be in place of the main distinction: in the first embodiment, flat paillon 4 is each other there are a little gap, between wave paillon 5
Also there are be less than gap.And in second embodiment of the invention, the flat paillon 4 of two of arbitrary neighborhood abuts against each other, arbitrarily
Two wave paillons 5 between it is also against each other.
Third embodiment of the invention is related to a kind of fan, and fan is for carrying out ultrahigh speed rotation.
As shown in figure 3, fan includes: flabellum 7, the shaft 2 being connected on the flabellum 7, such as first embodiment or
Bearing in two embodiments, the driving assembly for driving flabellum 7 to rotate, the outline border 6 for storing driving assembly and fan.
Driving assembly includes: the iron core 8 being located on outline border 6, the magnet ring 9 of ring set iron core 8, magnet ring 9 is mounted on fan
Magnetosheath 10, iron core 8 is fixed, and iron core 8 generates the magnetic force to repel each other with magnet ring 9 when being powered, and magnet ring 9 is driven to rotate, and magnet ring 9 passes through
Magnetosheath 10 drives flabellum 7 to rotate, and flabellum 7 can carry out ultrahigh speed rotation under the drive of magnet ring 9, and shaft 2 is synchronous with flabellum 7 to be turned
When dynamic, shaft 2 is connect with inner ring, is rotated in bearing, due to the setting of paillon 4 and wave paillon 5 flat in bearing, is formed in bearing
Air film, for shaft 2, floating is rotated in bearing, and shaft 2 rotates in bearing with inner ring using air as medium, since medium is
Air, the frictional force very little between inner ring and outer ring 1, then when flabellum 7 rotates, noise that shaft 2 generates when rotating in bearing
Very little, and can reduce the abrasion of shaft 2, extend the service life of fan.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (7)
1. a kind of bearing includes: outer ring, is connected with the rotating shaft inner ring, which is characterized in that the outer ring towards the inner ring one
It is equipped with N number of installation position on side, a flat paillon and a wave paillon, each flat paillon are mounted on each installation position
Axle center ring around the outer ring is set, and each wave paillon is set around the axle center ring of the outer ring;And the wave paillon is located at described put down
Between paillon and the outer ring.
2. bearing according to claim 1, which is characterized in that the flat paillon be equipped with the first mounting portion, described first
Mounting portion is used to for the flat paillon being mounted on the corresponding installation position, and the wave paillon is equipped with the second mounting portion, institute
The second mounting portion is stated for the wave paillon to be mounted on the corresponding installation position.
3. bearing according to claim 2, which is characterized in that first mounting portion includes: to connect with the flat paillon
The first connection sheet, be connected with first connection sheet and with first connection sheet at the first fixed of the first default angle
Piece;
Second mounting portion include: the second connection sheet being connect with the wave paillon, be connected with second connection sheet and with
Second connection sheet at the second default angle the second fixinig plate;
The installation position includes: to be provided with the outer ring towards the first mounting groove and described first on the side of the inner ring
Second mounting groove of mounting groove connection, wherein first connection sheet and second connection sheet are for being caught in first peace
In tankage, first fixinig plate and second fixinig plate are for being caught in second mounting groove.
4. bearing according to claim 3, which is characterized in that second mounting groove includes: the first slot section, with described the
The second connected slot section of one slot section, and the first slot section and the second slot section extend towards the direction being located remotely from each other each other,
First fixinig plate is for being caught in the first slot section, and second fixinig plate is for being caught in the second slot section;
Form the described first default angle between the first slot section and first mounting groove, the second slot section and described the
The described second default angle is formed between one mounting groove.
5. bearing according to claim 4, which is characterized in that the first default angle and the described second default angle are equal
It is 90 °.
6. a kind of fan characterized by comprising flabellum, the shaft being connected on the flabellum are appointed in such as claim 1 to 5
Bearing described in one, driving assembly, the outline border for storing the driving component for driving the flabellum rotation, it is described
Shaft and the bearing fit, the bearing are installed on the outline border.
7. fan according to claim 6, which is characterized in that the driving component includes: the iron being located on the outline border
The magnet ring is mounted on the magnetosheath on the fan by the magnet ring of iron core described in core, ring set, and the iron core is used to produce when being powered
The raw and mutually exclusive magnetic force of the magnet ring, drives the magnet ring to be rotated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811041649.2A CN109296561A (en) | 2018-09-07 | 2018-09-07 | A kind of bearing and a kind of fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811041649.2A CN109296561A (en) | 2018-09-07 | 2018-09-07 | A kind of bearing and a kind of fan |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109296561A true CN109296561A (en) | 2019-02-01 |
Family
ID=65166397
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811041649.2A Pending CN109296561A (en) | 2018-09-07 | 2018-09-07 | A kind of bearing and a kind of fan |
Country Status (1)
Country | Link |
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CN (1) | CN109296561A (en) |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08312585A (en) * | 1995-05-19 | 1996-11-26 | Akaishi Kinzoku Kogyo Kk | Control circuit board of motor built-in type blower |
CN101260891A (en) * | 2007-03-09 | 2008-09-10 | 富准精密工业(深圳)有限公司 | Heat radiation fan and method of manufacture |
JP2009185857A (en) * | 2008-02-05 | 2009-08-20 | Shimadzu Corp | Gas dynamic bearing mounting structure |
CN101796314A (en) * | 2007-08-10 | 2010-08-04 | 株式会社Ihi | Foil bearing device |
CN101839281A (en) * | 2010-05-27 | 2010-09-22 | 西安交通大学 | Foil dynamical pressure radial gas bearing provided with sectionally-combined composite support |
CN104603480A (en) * | 2012-09-06 | 2015-05-06 | 西门子公司 | Radial gas foil bearing |
CN204692585U (en) * | 2015-05-26 | 2015-10-07 | 浙江工业大学 | A kind of ripple foil-type paillon foil gas film face seal structure |
CN105041870A (en) * | 2014-04-15 | 2015-11-11 | 霍尼韦尔国际公司 | Bearing sleeve for air bearing |
KR101706379B1 (en) * | 2015-08-17 | 2017-02-15 | 주식회사 뉴로스 | Air foil journal bearing preventing separation |
CN208997013U (en) * | 2018-09-07 | 2019-06-18 | 上海新时达电气股份有限公司 | A kind of bearing and a kind of fan |
-
2018
- 2018-09-07 CN CN201811041649.2A patent/CN109296561A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08312585A (en) * | 1995-05-19 | 1996-11-26 | Akaishi Kinzoku Kogyo Kk | Control circuit board of motor built-in type blower |
CN101260891A (en) * | 2007-03-09 | 2008-09-10 | 富准精密工业(深圳)有限公司 | Heat radiation fan and method of manufacture |
CN101796314A (en) * | 2007-08-10 | 2010-08-04 | 株式会社Ihi | Foil bearing device |
JP2009185857A (en) * | 2008-02-05 | 2009-08-20 | Shimadzu Corp | Gas dynamic bearing mounting structure |
CN101839281A (en) * | 2010-05-27 | 2010-09-22 | 西安交通大学 | Foil dynamical pressure radial gas bearing provided with sectionally-combined composite support |
CN104603480A (en) * | 2012-09-06 | 2015-05-06 | 西门子公司 | Radial gas foil bearing |
CN105041870A (en) * | 2014-04-15 | 2015-11-11 | 霍尼韦尔国际公司 | Bearing sleeve for air bearing |
CN204692585U (en) * | 2015-05-26 | 2015-10-07 | 浙江工业大学 | A kind of ripple foil-type paillon foil gas film face seal structure |
KR101706379B1 (en) * | 2015-08-17 | 2017-02-15 | 주식회사 뉴로스 | Air foil journal bearing preventing separation |
CN208997013U (en) * | 2018-09-07 | 2019-06-18 | 上海新时达电气股份有限公司 | A kind of bearing and a kind of fan |
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