CN104696356B - Bearing, motor and heat emission fan - Google Patents
Bearing, motor and heat emission fan Download PDFInfo
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- CN104696356B CN104696356B CN201510091506.2A CN201510091506A CN104696356B CN 104696356 B CN104696356 B CN 104696356B CN 201510091506 A CN201510091506 A CN 201510091506A CN 104696356 B CN104696356 B CN 104696356B
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Abstract
The invention discloses a kind of bearings, motor and heat emission fan, the bearing includes bearing outside and bearing inner sleeve, the bearing outside includes the first groove and the second groove that opening is oppositely arranged, first groove and second groove are in dome-type, the bottom end of first groove or/and second groove is equipped with shaft hole, the shaft hole is passed through with for the shaft, and it is rotatablely connected the shaft, the geometric centre axes of the bearing inner sleeve and the geometric centre axes of the shaft hole are coaxially disposed, the bearing inner sleeve includes the first connecting pin being oppositely arranged and second connection end.It is fitted using the dome-type groove surface of first groove and the second groove and the dome-type outer surface of first connecting pin and second connection end, so as to realize the equally loaded to the shaft, and stabilized structure, to realize efficient carrying of the bearing to the shaft, and safely and effectively.
Description
Technical field
The present invention relates to a kind of pivot structure field more particularly to a kind of bearings, motor and heat emission fan.
Background technique
Currently, bearing is widely used in various equipment, such as hard disk drive, Digital video disc machine, mini disc
The fields such as machine, CD-Magnetic Optical and radiator fan, the bearing size of motor is small in these devices, rotating accuracy and service life to bearing
It is required that high.Thus bearing becomes the key of these devices operation, and performance directly affects the behavior in service and work of whole device
Efficiency.
The materials most of existing bearing is the materials such as steel, including bearing steel, carbon steel and stainless steel, although steel shaft
Holding has the characteristics that good toughness, anti-impact force are strong, bearing capacity is larger, but it is easy intolerant to abrasion by oxidation corrosion, intolerant to height
Temperature.
Now widely used bearing includes several classes such as ball bearing and oiliness bearing.Oiliness bearing is using sliding friction
Sleeve bearing, use lubricating oil as lubricant and drag reducer, initial stage is low using luck Row noise, and manufacturing cost is also low, but
It is that this bearing wear is serious, the service life has very big gap compared with ball bearing, and this bearing uses for a long time, due to oil
The reason of envelope, lubricating oil can gradually volatilize, and dust can also enter bearing, noise slack-off so as to cause radiating fan rotation speed
It is the problems such as increase, serious that fan bias can also be caused to cause strenuous vibration because of bearing wear.
Also have in recent years and occur with the bearing that the on-mechanical way of contact manufactures and designs, is i.e. magnetic suspension bearing.Magnetic suspension bearing
It is different attracting using magnetic magnetic pole, the identical principle repelled each other of magnetic pole, the opposite operating for making bearing realize that on-mechanical is contacted with axis, from
And reach the problem of eliminating mechanical friction.But current magnetic suspension bearing appurtenances are more, and fulcrum need to be all added on bearing
Or Electromagnetic Control equipment, its structure is complicated, causes higher cost, the utilization being unfavorable in industry.
From above-mentioned analysis it is found that there are bearing wears is serious for bearing of radiating fan at present, cause operation noise increase and
The problem of easily causing strenuous vibration.
Summary of the invention
The purpose of the present invention is to provide a kind of wear-resistant, safely and effectively bearing, motor and heat emission fans.
In order to solve the above-mentioned technical problems, the present invention provides a kind of bearings, to carry shaft, wherein the bearing
Including bearing outside and bearing inner sleeve, the bearing outside includes the first groove and the second groove that opening is oppositely arranged, described
First groove and second groove are in dome-type, and the bottom end of first groove or/and second groove is equipped with shaft
Hole, the shaft hole is passed through with for the shaft, and is rotatablely connected the shaft, the geometric centre axes of the bearing inner sleeve
It is coaxially disposed with the geometric centre axes of the shaft hole, the bearing inner sleeve includes the first connecting pin and second being oppositely arranged
Connecting pin, first connecting pin and the second connection end are rotationally connected with first groove and second groove respectively
It is interior, and match respectively with first groove and second groove, first connecting pin or/and the second connection end
To be fixedly connected with the shaft.
Wherein, the bearing outside and the bearing inner sleeve are all made of nano ceramic material.
Wherein, first connecting pin or/and the second connection end are equipped with jack, the jack along geometric centre axes
It is interior to be inserted into for the shaft, and it is fixedly connected with the shaft.
Wherein, the outer surface of the bearing inner sleeve is equipped with multiple grooves being circumferentially arranged side by side, and the groove is by described
First connecting pin to the second connection end extends.
Wherein, the bearing inner sleeve further includes the support being fixed between first connecting pin and the second connection end
Portion, the support portion is cylindrical, and the diameter of the support portion is equal to the diameter of first connecting pin, and is equal to described the
The diameter of two connecting pins.
The present invention provides a kind of motor, wherein the motor includes above-mentioned bearing, and the motor further includes shaft, determines
Son, mover, armature and magnetic pole, the shaft are fixedly connected with the bearing inner sleeve, and fixation connects respectively for the stator and the mover
It connects the bearing outside and the shaft or the stator and the mover is respectively fixedly connected with outside the shaft and the bearing
Set, the armature are fixed on the stator, and the pole pair should be fixed on the mover.
Wherein, the stator includes first sleeve, and the first sleeve is sheathed on the outside of the bearing outside, is fixedly connected
The bearing outside, the armature are fixed on the outside of the sleeve, and the mover includes second sleeve and top plate, and described second set
Cylinder is sheathed on the armature, and the top plate covers described second sleeve one end, and is fixedly connected with the shaft, and the magnetic pole is fixed
In the second sleeve inner wall.
The present invention provides a kind of heat emission fan, wherein the heat emission fan includes above-mentioned motor, and the heat emission fan further includes more
A flabellum and pedestal, the stator are fixed on the pedestal, and multiple flabellums are fixed on the mover side, and around described
The rotation axis of mover is circumferentially equally spaced.
Wherein, the stator includes first sleeve, and the first sleeve is sheathed on the outside of the bearing outside, is fixedly connected
The bearing outside, the armature are fixed on the outside of the sleeve, and the mover includes second sleeve and top plate, and described second set
Cylinder is sheathed on the armature, and the top plate covers described second sleeve one end, and is fixedly connected with the shaft, and the magnetic pole is fixed
In the second sleeve inner wall, the first sleeve is fixed on the pedestal, and multiple flabellums are fixed on described second set
Drum outer wall.
Wherein, the heat emission fan further includes circuit board, and the circuit board is fixed on the pedestal, and is electrically connected the electricity
Pivot.
Bearing, motor and radiator fan of the invention by the first groove of the bearing outside and the second groove respectively with
First connecting pin of the bearing inner sleeve and second connection end match, while being rotatablely connected first connecting pin and institute respectively
Second connection end is stated, is connected using the dome-type groove surface of first groove and the second groove and first connecting pin and second
The dome-type outer surface for connecing end fits, so as to realize the equally loaded to the shaft, and stabilized structure, to realize
Efficient carrying of the bearing to the shaft, and safely and effectively.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of the bearing of preferred embodiment provided by the invention；
Fig. 2 is diagrammatic cross-section of the bearing along II-II of Fig. 1；
Fig. 3 is the bearing schematic diagram of another embodiment；
Fig. 4 is the bearing schematic diagram of another embodiment；
Fig. 5 is the schematic diagram of the motor of preferred embodiment provided by the invention；
Fig. 6 is the schematic diagram of the motor of another embodiment；
Fig. 7 is the schematic diagram of the heat emission fan of preferred embodiment provided by the invention；
Fig. 8 is the schematic diagram of the heat emission fan of another embodiment.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by.
Also referring to Fig. 1 to Fig. 3, bearing 100 provided by the invention, to carry shaft 1.The bearing 100 includes
Bearing outside 10 and bearing inner sleeve 20.The bearing outside 10 includes the first groove 11 and the second groove that opening is oppositely arranged
12, first groove 11 and second groove 12 are in dome-type, first groove 11 or/and second groove 12
Bottom end be equipped with shaft hole 13.The shaft hole 13 is passed through with for the shaft 1, and is rotatablely connected the shaft 1.The axis
The geometric centre axes of the geometric centre axes and the shaft hole 13 of holding inner sleeve 20 are coaxially disposed.The bearing inner sleeve 20 includes
The first connecting pin 21 being oppositely arranged and second connection end 22, first connecting pin 21 and the second connection end 22 turn respectively
It is dynamic to be connected in first groove 11 and second groove 12, and respectively with first groove 11 and second groove
12 match.First connecting pin 21 or/and the second connection end 22 are to be fixedly connected with the shaft 13.
By first groove 11 and the second groove 12 respectively with 22 phase of first connecting pin 21 and second connection end
Matching, while it being rotatablely connected first connecting pin 21 and the second connection end 22 respectively, utilize 11 He of the first groove
The dome-type groove surface of second groove 12 and the dome-type outer surface of first connecting pin 21 and second connection end 22 fit,
So as to realize the equally loaded to the shaft 1, and stabilized structure, to realize the bearing 100 to the shaft 1
Efficiently carrying, effectively reduces the contact area of the bearing outside 10 and the bearing inner sleeve 20, to reduce abrasion, improves institute
State the safety of bearing 100.
In present embodiment, the bearing outside 10 includes the first plate 10a, and the relatively described first plate 10a is set
The the second plate 10b set.The first plate 10a and the second plate 10b is bent hemispherical.First groove 11
It is set to the first plate 10a, second groove 12 is set to the second plate 10b.First groove 11 it is straight
Diameter is equal to the diameter of second groove 12.The first plate 10a and the second plate 10b can fix a set simultaneously
In cylinder, so that the relatively described second plate 10b of the first plate 10a is fixed, the edge of the first plate 10a and described the
It can also be between the edge of two plate 10b and be fixedly connected with multiple connecting rods.Utilize the first plate 10a and second plate
Spacing is set between part 10b, while the first plate 10a and the second plate 10b are rotationally connected with the bearing respectively
The both ends of inner sleeve 20 effectively improve the axis to reduce the contact area of the bearing outside 10 and the bearing inner sleeve 20
Hold 100 wear-resistant effect.In other embodiments, first plate 10 and second plate 20 can also be in square
Shape is blocky.
In present embodiment, the bearing inner sleeve 20 is in the form of a column, the geometric centre axes of the bearing inner sleeve 20 with it is described
Shaft 1 is coaxially disposed.Specifically, first connecting pin 21 and the second connection end 22 are respectively arranged at the bearing inner sleeve
20 both ends, first connecting pin 21 and the second connection end 22 are hemispherical, the diameter of first connecting pin 21
Equal to the diameter of the second connection end 22, while the diameter of also equal to described first groove 11.To first groove 11
Hemispherical inner concave and the hemispherical arcuate surface of first connecting pin 21 fit, and first connecting pin 21 can be with
It is rotated relative to first groove 11, same principle, second groove 12 uses identical turn with the second connection end 22
Dynamic connection type.To which the geometric centre axes of the bearing inner sleeve 20 are not easy to shake, so that the axial direction of the shaft 1 is not
It easily shakes, to improve the load capacity of the bearing 100.In other embodiments, the bearing inner sleeve 20 can also be
Shell, to mitigate the weight of the bearing inner sleeve 20, to improve the load capacity of the bearing 100.
Further, the bearing outside 10 and the bearing inner sleeve 20 are all made of nano ceramic material.Outside the bearing
Set 10 and the bearing inner sleeve 20 are mixed using nanoscale zirconia material and nanoscale particle lubricant material, through punch die work
Skill and sintering process are made.Since nanoscale zirconium powder has the characteristics that sintering temperature, high rigidity, high intensity is greatly reduced,
So that property are tender to be significantly larger than traditional oil seal shaft for 100 thermal expansion coefficient of bearing, coefficient of friction, density, hardness etc.
It holds and ball bearing.So that 100 density of described bearing itself is smaller, high temperature resistant degree expanded, and it is provided with pole
Strong insulating properties and pressure resistance, resistance to oxidation, corrosion resistant characteristic, the aspect of performance such as service life, mute greatly improve.
In present embodiment, Fig. 1 and Fig. 2 are please referred to, a preferred embodiment, the bottom end setting of first groove 11 are provided
There are first rotating shaft hole 131, the smooth setting in bottom end of second groove 12.To which the shaft 1 passes through the first rotating shaft hole
131, and it is fixedly connected with the first connecting pin 21 of the bearing inner sleeve 20.Utilize the relatively described bearing outside of the bearing inner sleeve 20
10 rotations, realize that the shaft 1 is rotated relative to the bearing outside 10, when the shaft 1 is far from described 20 one end of shaft inner sleeve
When load, to realize that load is transferred to the bearing 100 by the shaft 1.Turn it is understood that the shaft 1 provides
When dynamic power, the shaft 1 can drive the bearing inner sleeve 20 to rotate relative to the bearing outside 10.
Referring to Fig. 3, another embodiment is provided, it is roughly the same with first embodiment, unlike, first groove 11
The smooth setting in bottom end, the bottom end of second groove 12 is provided with the second shaft hole 132.The shaft 1 passes through described the
Two shaft holes 132 are fixedly connected with the second connection end 22.So that the bearing 100 (see Fig. 1) can bear another
The load in orientation.
It please refers to Fig. 4 and another embodiment is provided, it is roughly the same with first embodiment, unlike, first groove 11
Bottom end and the bottom end of second groove 12 be respectively arranged with first rotating shaft hole 2131 and the second shaft hole 2132.The shaft
1 passes through the first rotating shaft hole 2131, and passes through second shaft hole 2132.So that the bearing 100 can be held
It is loaded by two.
Further, first connecting pin 21 or/and the second connection end 22 are equipped with jack along geometric centre axes
23, the jack 23 is interior to be inserted into for the shaft 1, and is fixedly connected with the shaft 1.
Fig. 1 and Fig. 2 are please referred to, in preferred embodiment, first connecting pin 21 is equipped with first along geometric centre axes
Jack 231, first jack 231 are blind hole, and first jack 231 is inserted into one end of the shaft 1, the shaft 1
The inner wall tight fit of one end outer wall and first jack 231, to realize that one end of the shaft 1 is fixed in the bearing
In first jack 231 of set 20.
Referring to Fig. 3, in another embodiment, the second connection end 221 is equipped with the second jack along geometric centre axes
232, second jack 232 is blind hole, and second jack 232 is inserted into one end of the shaft 1, thus the shaft 1
The inner wall tight fit of one end outer wall and second jack 232, so that second jack is fixed in one end of the shaft 1
In 232.
Referring to Fig. 4, in another embodiment, first connecting pin 321 is equipped with the first jack along geometric centre axes
2231, the second connection end 322 is equipped with the second jack 2232 along geometric centre axes.First jack 2231 and described the
Two jacks 2232 connect.To which the shaft 1 passes through first jack 2231 and second jack 2232 together.It is described
The bearing inner sleeve is fixedly connected between the both ends of shaft 1, so that the both ends of the shaft 1 can load.In other embodiment party
In formula, first jack 2231, which can also be, does not have to penetrate through second jack 2232, first jack 2231 and described
Second jack 2232 is blind hole, is inserted into first jack 2231 and second jack 2232 respectively by two shafts,
To realize that the bearing 100 bears two loads.
Further, Fig. 1 and Fig. 2 are please referred to, 20 outer surface of bearing inner sleeve is equipped with multiple circumferentially arranged side by side
Groove 24, the groove 24 are extended by first connecting pin 21 to the second connection end 22.
In present embodiment, multiple grooves 24 can reduce connecing for the bearing inner sleeve 20 and the bearing outside 10
Contacting surface product increases the use of the bearing 100 to reduce the degree of wear of the bearing inner sleeve 20 and the bearing outside 10
Service life.Furthermore it is also possible to fill lubricant in the groove 20, reduce the coefficient of friction of the bearing 100.
Further, the bearing inner sleeve 20 further includes being fixed on first connecting pin 21 and the second connection end 22
Between support portion 25, the support portion 25 is cylindrical, and the diameter of the support portion 25 is equal to first connecting pin 21
Diameter, and the diameter equal to the second connection end 22.It is equal to first connecting pin using the diameter of the support portion 25
The diameter of 21 diameter and the second connection end 22, so that the support portion 25 reinforces the bearing inner sleeve 20
Robust structure can bear biggish axial pressure so that first connecting pin 21 and the second connection end 22 are hardly damaged
Power, and biggish twisting resistance can be born.In other embodiments, the support portion can also be setting rectangle rod piece,
Or polygon cylinder, the diameter of the support portion can also be less than first connecting pin diameter.
Fig. 1, Fig. 2 and Fig. 5 are please referred to, the present invention also provides a kind of motor 101, the motor 101 includes the bearing
100.The motor 101 further includes shaft 1, stator 30, mover 40, armature 50 and magnetic pole 60.The shaft 1 is fixedly connected described
First connecting pin 21 of bearing inner sleeve 20 or/and the second connection end 22, the stator 30 and the mover 40 are fixed respectively
It connects the bearing outside 10 and the shaft 1 or the stator 30 and the mover 40 is respectively fixedly connected with 1 He of shaft
The bearing outside 10, the armature 50 are fixed on the stator 30, and the correspondence of magnetic pole 60 is fixed on the mover 40.
In present embodiment, a preferred embodiment is provided, the shaft 1 is fixedly connected with the first company of the bearing inner sleeve 20
Connect end 21.Specifically, the shaft 1 includes the first end 1a and second end 1b being oppositely arranged.The first end 1a is fixed on institute
The first jack 231 is stated, the second end 1b is to provide rotating torque.
The stator 30 is fixedly connected with the bearing outside 10, and the mover 40 is fixedly connected with the bearing inner sleeve 20.Tool
Body, the stator 30 includes first sleeve 31 and bottom plate 32.The bottom plate 32 is circular plate, and the bottom plate 32 is equipped with circle
Shape through-hole 321.The geometric center of the circular through hole 321 and the geometric center of the bottom plate 32 coincide.The first sleeve
31 be circular sleeve.The first sleeve 31 includes the first fixing end 311 and the second fixing end 312 being oppositely arranged.Described
Two fixing ends 312 are fixedly connected with the edge of the circular through hole 321, the opening of the second end 312 and the circular through hole 321
It connects, second fixing end 312 is wholely set with the bottom plate 32.The geometric centre axes of the first sleeve 31 are passed through
The geometric center of the bottom plate 32, and the cross section of the vertical bottom plate 32.First plate 10a of the first bearing housing 10
It is fixed on the inside of first fixing end 311, covers the opening of first fixing end 311.The second plate 10b is fixed
In 312 inside of the second fixing end, the opening of second fixing end 312 is covered.To which the first sleeve 31 is fixed
The bearing outside 10.The armature 50 is fixed on the outside of the first sleeve 31.
The mover 40 includes second sleeve 41 and top plate 42.The second sleeve 41 be circular sleeve, described second set
Cylinder 41 includes the first opening 411 and the second opening 412 being oppositely arranged.First opening 411 is fixedly connected with the week of top plate 42
Edge, second opening 412 are corresponding with the periphery of the bottom plate 32.The fixed magnetic pole in the inside of the second sleeve 41
60.The top plate 42 covers first opening 411, is wholely set with the second sleeve 41, in the geometry of the top plate 42
The heart is fixedly connected with the second end 1b of the shaft 1.By utilizing the magnetic force of the armature 50 to 50 input AC of the armature electricity
It drives the magnetic pole 60 to rotate around the armature 50, so that the second sleeve 41 be driven to rotate, that is, drives 40 turns of the mover
It is dynamic, mechanical energy is converted electric energy to realize.
Fig. 3 and Fig. 6 are please referred to, another embodiment is provided, the stator 230 is fixedly connected with the shaft 1, the mover
240 are fixedly connected with the bearing outside 20.
Specifically, the stator 230 includes first sleeve 231 and bottom plate 232.The bottom plate 232 is circular plate, described
The geometric center of bottom plate 232 is fixedly connected with one end of the shaft 1, and the vertical shaft 1 in the cross section of the bottom plate 232
It is axial.The first sleeve 231 is fixed on the bottom plate 232, and the receiving bearing 100 in the first sleeve 231, institute
The axis coaxle of the geometric centre axes and the shaft 1 of stating first sleeve 231 is arranged.The inside of the first sleeve 232 is solid
The fixed armature 50.The armature 50 can be rotated relative to the bearing outside 10 of the bearing 100.In other embodiments, institute
Stating first sleeve 231 can also be using the replacement of multiple support columns, secures the above armature 50 by multiple support columns, makes
The magnetic pole 60 can be driven by obtaining the armature 50.
The mover 240 includes second sleeve 241,3rd sleeve 242 and top plate 243.The top plate 243 is circular slab
Part, the relatively described bottom plate 232 of the top plate 243 are arranged, and the cross section of the top plate 243 is parallel to the bottom plate 232.Described
Two sleeves, 241 1 open end is fixedly connected with the edge of the top plate 243, the receiving first sleeve in the second sleeve 241
231.The geometric centre axes of the geometric centre axes of the 3rd sleeve 242 and the second sleeve 241 are coaxially disposed, described
3rd sleeve 242 is fixedly connected with the top plate 243, and is contained in the first sleeve 231.The 3rd sleeve 242 it is interior
Side is fixedly connected with the bearing outside 10.The fixed magnetic pole 60 in the outside of the 3rd sleeve 242.The armature 50 is powered
Afterwards, the armature 50 drives the magnetic pole 60 to rotate, so that the bearing outside 10 is rotated relative to the bearing inner sleeve 20.
So that the bearing outside 10 can provide rotatory force, i.e., the described motor 201 can provide rotation load.In other implementations
Fang Zhong can also be and fix the magnetic pole on the outside of the direct bearing outside 10.
The bearing 100 provided by the present invention is not restrictively applied in motor, can also be applied to and motor knot
In the same or similar generator of structure, mechanical energy is converted to electric energy using the bearing 100.
Fig. 2, Fig. 5 and Fig. 7 are please referred to, the present invention also provides a kind of heat emission fans 102.The heat emission fan 102 includes the electricity
Machine 101, the heat emission fan 102 further include multiple flabellums 70, pedestal 80 and circuit board 90, and the stator 30 is fixed on the pedestal
On 80, multiple flabellums 70 are fixed on 40 side of mover, and are circumferentially equally spaced around the rotation axis of the mover 40.
It is understood that the heat emission fan 102 can be applied to terminal, laptop, tablet computer or other hairs
In the biggish terminal device of heat.
In preferred embodiment, multiple flabellums 70 are fixed on the outer wall of the second sleeve 41.Specifically, multiple institutes
State the outer wall that flabellum 70 is integrally formed at the second sleeve 41.The pedestal 80 is cylindrical, and receiving is more in the pedestal 80
Multiple fixed columns 81, multiple fixed columns 81 are arranged in the bottom end of a flabellum 70 and the motor 101, the pedestal 80
One end be integrally formed at the edge of the bottom plate 32, and be arranged around the bottom plate 32, the other end is both secured to the pedestal
80 inner wall.So that the bottom end hollow out of the pedestal 80 is arranged, reinforce the cross-ventilation of the pedestal 80.The circuit board
90 are fixed on the pedestal 80, and are electrically connected the armature 50.To be inputted using the circuit board 90 to the armature 50
Electrical instruction, so as to control opening or closing for the heat emission fan 102, and the revolving speed of the control heat emission fan 102.?
When the circuit board 90 gives current signal to the armature 50, the armature 50 drives the magnetic pole 60 to rotate, to drive
The second sleeve 41 rotates, that is, drives multiple flabellums 70 to rotate around the shaft 1, to realize multiple flabellums 70
Radiating airflow is generated, to realize fan thermal effect.
Please refer to Fig. 3, Fig. 6 and Fig. 8, in another embodiment, multiple flabellums 270 can be integrally formed at it is described
The outer wall of 3rd sleeve 242, the pedestal 280 are wholely set with the bottom plate 232.The bottom plate 232 is fixed on the pedestal
On 280, the armature 50 drives the 3rd sleeve 242 to rotate, to drive multiple flabellums 270 around 1 turn of the shaft
It is dynamic, to realize that multiple flabellums 270 generate radiating airflow, realize heat dissipation effect.
Bearing, motor and radiator fan of the invention by the first groove of the bearing outside and the second groove respectively with
First connecting pin of the bearing inner sleeve and second connection end match, while being rotatablely connected first connecting pin and institute respectively
Second connection end is stated, is connected using the dome-type groove surface of first groove and the second groove and first connecting pin and second
The dome-type outer surface for connecing end fits, so as to realize the equally loaded to the shaft, and stabilized structure, to realize
Efficient carrying of the bearing to the shaft, and safely and effectively.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (9)
1. a kind of bearing, to carry shaft, which is characterized in that the bearing includes bearing outside and bearing inner sleeve, the axis
Holding housing includes the first groove and the second groove that opening is oppositely arranged, and first groove and second groove are in hemisphere
The bottom end of type, first groove or/and second groove is equipped with shaft hole, and the shaft hole is worn with for the shaft
It crosses, and is rotatablely connected the shaft, the geometric centre axes of the bearing inner sleeve and the geometric centre axes of the shaft hole are same
Axis setting, the bearing inner sleeve includes the first connecting pin being oppositely arranged and second connection end, first connecting pin and described
Second connection end is rotationally connected with respectively in first groove and second groove, and respectively with first groove and institute
It states the second groove to match, first connecting pin or/and the second connection end are to be fixedly connected with the shaft, the axis
It holds housing and the bearing inner sleeve is all made of nano ceramic material；The dome-type groove surface of first groove and the second groove point
Dome-type outer surface not with first connecting pin and second connection end fits.
2. bearing according to claim 1, which is characterized in that first connecting pin or/and the second connection end edge
Geometric centre axes are equipped with jack, are inserted into the jack with for the shaft, and be fixedly connected with the shaft.
3. bearing according to claim 2, which is characterized in that the outer surface of the bearing inner sleeve be equipped with it is multiple circumferentially simultaneously
The groove of setting is arranged, the groove is extended by first connecting pin to the second connection end.
4. bearing according to claim 3, which is characterized in that the bearing inner sleeve further includes being fixed on first connection
Hold the support portion between the second connection end, the support portion is cylindrical, and the diameter of the support portion is equal to described the
The diameter of one connecting pin, and the diameter equal to the second connection end.
5. a kind of motor, which is characterized in that the motor includes bearing described in Claims 1 to 4 any one, the motor
It further include shaft, stator, mover, armature and magnetic pole, the shaft is fixedly connected with the bearing inner sleeve, the stator and described dynamic
Son is respectively fixedly connected with the bearing outside and the shaft or the stator and the mover is respectively fixedly connected with the shaft
With the bearing outside, the armature is fixed on the stator, and the pole pair should be fixed on the mover.
6. motor according to claim 5, which is characterized in that the stator includes first sleeve, the first sleeve set
On the outside of the bearing outside, it is fixedly connected with the bearing outside, the armature is fixed on the outside of the sleeve, the mover
Including second sleeve and top plate, the second sleeve is sheathed on the armature, and the top plate covers described second sleeve one end, and
It is fixedly connected with the shaft, the magnetic pole is fixed on the second sleeve inner wall.
7. a kind of heat emission fan, which is characterized in that the heat emission fan includes motor described in claim 5~6 any one, described
Heat emission fan further includes multiple flabellums and pedestal, and the stator is fixed on the pedestal, and multiple flabellums are fixed on described dynamic
Sub- side, and be circumferentially equally spaced around the rotation axis of the mover.
8. heat emission fan according to claim 7, which is characterized in that the stator includes first sleeve, the first sleeve
It is sheathed on the outside of the bearing outside, is fixedly connected with the bearing outside, the armature is fixed on the outside of the sleeve, described dynamic
Attached bag includes second sleeve and top plate, and the second sleeve is sheathed on the armature, and the top plate covers described second sleeve one end,
And it is fixedly connected with the shaft, the magnetic pole is fixed on the second sleeve inner wall, and the first sleeve is fixed on the pedestal
On, multiple flabellums are fixed on the second sleeve outer wall.
9. heat emission fan according to claim 8, which is characterized in that the heat emission fan further includes circuit board, the circuit board
It is fixed on the pedestal, and is electrically connected the armature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510091506.2A CN104696356B (en) | 2015-02-28 | 2015-02-28 | Bearing, motor and heat emission fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510091506.2A CN104696356B (en) | 2015-02-28 | 2015-02-28 | Bearing, motor and heat emission fan |
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| Publication Number | Publication Date |
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| CN104696356A CN104696356A (en) | 2015-06-10 |
| CN104696356B true CN104696356B (en) | 2018-12-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001327112A (en) * | 2000-05-15 | 2001-11-22 | Sony Corp | Motor and electronic apparatus having the motor |
| US8915721B2 (en) * | 2003-07-16 | 2014-12-23 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Mini fan |
| CN101338789A (en) * | 2007-07-04 | 2009-01-07 | 富准精密工业(深圳)有限公司 | Magnetic suspension bearing and heat radiation fan adopting same |
| CN201752769U (en) * | 2010-07-09 | 2011-03-02 | 大连海事大学 | Electric spindle adopting gas hydrostatic bearing support |
| CN102808801A (en) * | 2011-05-31 | 2012-12-05 | 富准精密工业(深圳)有限公司 | Heat dissipation fan |
| CN102817858B (en) * | 2011-06-08 | 2017-04-19 | 富准精密工业(深圳)有限公司 | Stator and cooling fan with same |
| CN102828995A (en) * | 2011-06-15 | 2012-12-19 | 富准精密工业(深圳)有限公司 | Cooling fan |
| CN102650299A (en) * | 2012-03-16 | 2012-08-29 | 深圳市锦固鸿五金科技有限公司 | High-temperature-resistance abrasion-resistance nanometer bearing fan |
| CN204646990U (en) * | 2015-02-28 | 2015-09-16 | 深圳市金茂展微电机有限公司 | Bearing, motor and heat-dissipating fan |
-
2015
- 2015-02-28 CN CN201510091506.2A patent/CN104696356B/en active Active
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| Publication number | Publication date |
|---|---|
| CN104696356A (en) | 2015-06-10 |
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