CN208997013U - A kind of bearing and a kind of fan - Google Patents
A kind of bearing and a kind of fan Download PDFInfo
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- CN208997013U CN208997013U CN201821462305.4U CN201821462305U CN208997013U CN 208997013 U CN208997013 U CN 208997013U CN 201821462305 U CN201821462305 U CN 201821462305U CN 208997013 U CN208997013 U CN 208997013U
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- paillon
- bearing
- ring
- wave
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Abstract
The utility model 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 utility model 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.
Utility model content
The purpose of this utility model is to provide a kind of bearing, the pressure-bearing surface of wave paillon peace paillon is smaller, and rigidity is larger,
Promote the bearing capacity and stability of bearing.
In order to solve the above technical problems, the embodiments of the present invention provides a kind of bearing, comprising: outer ring, with turn
The inner ring of axis connection, the outer ring are respectively mounted on each installation position towards N number of installation position is equipped on the side of the inner ring
There are a flat paillon and a wave paillon, each flat paillon is set around the axle center ring of the outer ring, and each wave paillon is around described
The axle center ring of outer ring is 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 muti-piece group cyclization to the utility model embodiment
Shape, since wave paillon is divided into muti-piece, flat paillon also distinguishes muti-piece, and the face that the flat paillon and wave paillon of monolithic bear pressure is compared
Small, rigidity 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 °.
Another of the utility model is designed to provide a kind of fan, can carry out ultrahigh speed rotation, and in ultrahigh speed
When can reduce noise and extend the service life.
In order to solve the above technical problems, the embodiments of the present invention provides a kind of fan, comprising: flabellum, connection
It is shaft, bearing as described above on the flabellum, the driving assembly for driving the flabellum rotation, described for storing
The outline border of driving assembly, the shaft and the bearing fit, the bearing are installed on the outline border.
In terms of existing technologies, flabellum is when carrying out ultrahigh speed rotation, shaft and axis for the utility model embodiment
Cooperation is held, due to the setting of bearing medium wave paillon peace paillon, shaft floating can rotate within the bearing, resistance and friction pole
It is small, noise can be substantially reduced, reduces abrasion, promotes 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
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order to make the reader understand this application better, many technical details are proposed.But even if without these skills
The application technical side claimed also may be implemented in art details and various changes and modifications based on the following respective embodiments
Case.
The first embodiment of the utility model is related to a kind of bearing, cooperates shaft to turn as lubricant medium by air
It is dynamic.
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.
The second embodiment of the utility model is related to a kind of bearing.Second embodiment and first embodiment substantially phase
Together, be in place of the main distinction: in the first embodiment, there are a little gaps each other for flat paillon 4, and wave paillon 5 is each other
Between also there are be less than gap.And in the utility model second embodiment, the flat paillon 4 of two of arbitrary neighborhood offsets each other
It connects, it is also against each other between arbitrary two wave paillons 5.
The utility model third embodiment 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 the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And range.
Claims (7)
1. a kind of bearing, comprising: 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 |
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CN201821462305.4U CN208997013U (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 |
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CN201821462305.4U CN208997013U (en) | 2018-09-07 | 2018-09-07 | A kind of bearing and a kind of fan |
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CN208997013U true CN208997013U (en) | 2019-06-18 |
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CN201821462305.4U Active CN208997013U (en) | 2018-09-07 | 2018-09-07 | A kind of bearing and a kind of fan |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109296561A (en) * | 2018-09-07 | 2019-02-01 | 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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2018
- 2018-09-07 CN CN201821462305.4U patent/CN208997013U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109296561A (en) * | 2018-09-07 | 2019-02-01 | 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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