CN101435469A - Motor and bearing assembly thereof - Google Patents
Motor and bearing assembly thereof Download PDFInfo
- Publication number
- CN101435469A CN101435469A CNA2007101867521A CN200710186752A CN101435469A CN 101435469 A CN101435469 A CN 101435469A CN A2007101867521 A CNA2007101867521 A CN A2007101867521A CN 200710186752 A CN200710186752 A CN 200710186752A CN 101435469 A CN101435469 A CN 101435469A
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- CN
- China
- Prior art keywords
- fixed structure
- ring portion
- bearing
- rotating shaft
- axle bed
- 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.)
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- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a motor and a bearing component thereof, wherein the bearing component is in socket joint mutually with a rotating shaft and a shaft seat. The bearing component comprises a bearing which is provided with two annular parts, and two opposite end parts of the annular parts are butted against the rotating shaft and the shaft seat through fixing structures respectively.
Description
Technical field
The present invention relates to a kind of motor and bearing unit thereof.
Background technique
Bearing is a widely used member in the electronic equipment, is example with the bearing that is applied to motor at present, mainly comprises ball bearing, oil-impregnated bearing and hydraulic bearing etc.Yet the axial action that motor running produced can cause the control of precompressed and play to be difficult for, thereby influence the reliability and the effective utilization of motor.
Existing bearing cooperates with a rotating shaft and an axle bed.Bearing unit and rotating shaft are arranged in the axle bed, and the sheathed rotating shaft of bearing unit.In the prior art,, can reach zero-lash effect, but the precompressed value is difficult to control by the close-fitting between bearing, rotating shaft and the axle bed.In addition, also have by adjusting its position with pad in that respectively encircling of ball bearing inside and outside ring is one-sided, though can bring elasticity, precompressed and play all are difficult to the quality keyholed back plate that reaches preferable.
Summary of the invention
Therefore, the object of the present invention is to provide and a kind ofly can reduce axial internal clearance, and guarantee the motor and the bearing unit thereof of pre-pressure-controlled.
For this reason, the present invention proposes a kind of bearing unit, this bearing unit and a rotating shaft and the mutual socket of an axle bed.Bearing unit comprises a clutch shaft bearing, a first fixed structure, one second fixed structure and one the 3rd fixed structure.Clutch shaft bearing has one first ring portion and one second ring portion, the rotating shaft of first end butt or the axle bed of second ring portion.The first end of first fixed structure butt first ring portion.The second end of the second fixed structure butt, second ring portion.The second end of the 3rd fixed structure butt first ring portion.
The present invention reintroduces a kind of bearing unit, this bearing unit and a rotating shaft and the mutual socket of an axle bed.This bearing unit comprises a clutch shaft bearing.This clutch shaft bearing has one first ring portion and one second ring portion.The opposite end portion of this first ring portion and the opposite end portion of this second ring portion are fixed in this rotating shaft and this axle bed respectively.
The present invention proposes a kind of motor and comprises a rotor, an axle bed and a bearing unit.Rotor has a rotating shaft.The mutual socket of bearing unit and rotating shaft and axle bed, and comprise a clutch shaft bearing, a first fixed structure, one second fixed structure and one the 3rd fixed structure.Clutch shaft bearing has one first ring portion and one second ring portion, the rotating shaft of first end butt or the axle bed of second ring portion.The first end of first fixed structure butt first ring portion.The second end of the second fixed structure butt, second ring portion.The second end of the 3rd fixed structure butt first ring portion.
From the above, motor of the present invention and bearing unit thereof by simultaneously rotating shaft and axle bed being fixed in the opposite end portion of bearing two rings, are easy to control and can effectively reach precompressed, and axial internal clearance significantly reduces, and improves the reliability and the effective utilization of motor and bearing unit thereof.
Description of drawings
Fig. 1 is the schematic representation of a kind of bearing unit of preferred embodiment of the present invention;
Fig. 2 is the schematic representation of the another kind of bearing unit of preferred embodiment of the present invention; And
Fig. 3 is the schematic representation of a kind of motor of preferred embodiment of the present invention.
The component symbol explanation:
10,10 ', 40: bearing unit 11: clutch shaft bearing
112: the second ring portions of 111: the first ring portions
113,114,151: first end
115,116,152: the second end
117: ball 12: first fixed structure
13: the second fixed structures 14,44: the three fixed structures
15: the second bearings 16,16 ': the 4th fixed structure
17,17 ', 47: the five fixed structures 20,20 ', 70: rotating shaft
30,30 ', 60: axle bed 4: motor
50: rotor 80: impeller
81: flabellum
Embodiment
Hereinafter with reference to relevant drawings, the motor and the bearing unit thereof of preferred embodiment of the present invention is described, wherein components identical will be illustrated with identical reference marks.
Please refer to shown in Figure 1, the bearing unit 10 of preferred embodiment of the present invention and a rotating shaft 20 and an axle bed 30 mutual sockets.Its central axis seat 30 can be axle sleeve, stator seat or fixed base.Rotating shaft 20 wears axle bed 30.Bearing unit 10 can be applied in fan or the motor.
In addition, the first end 114 of this first ring portion 111 also can change butt rotating shaft and axle bed respectively into according to actual demand with these second ring portion, 112 first ends 113, again with this second ring portion the second end 115 of these second fixed structure, 13 butts, and with this first ring portion the second end 116 of the 3rd fixed structure 14 butts.
In the present embodiment, clutch shaft bearing 11 can be ball bearing, and it has a ball 117 and is arranged between first ring portion 111 and second ring portion 112.In addition, first fixed structure 12 can be clasp, cramp or elastic structure.Second fixed structure 13 can be clasp, cramp or elastic structure.The 3rd fixed structure 14 can be clasp, cramp, housing, block or elastic structure.In this embodiment, fixed structure 12～14th is that example describes with the cramp.
By said structure, rotating shaft 20 and axle bed 30 axial displacement mutually after assembling, and by fixed structure 12,13,14, even fixed structure 16 and 17, with the reduction axial internal clearance, and guarantee pre-pressure-controlled.In addition, in the present embodiment, rotating shaft 20 is a rotating component, and axle bed is 30 fixed blocks; Certainly, rotating shaft 20 also can be fixed block, and axle bed 30 is a rotating component.
Please refer to shown in Figure 2, its show the another kind of bearing unit 10 of preferred embodiment of the present invention '.Be to reduce the fixed structure of this second bearing 15 of a butt with above-mentioned bearing unit 10 differences.Particularly, with axle bed 30 ' an end of this second bearing 15 of stopper 16 ' butt, and with the other end of another this second bearing 15 of fixed structure 17 ' contact, fixed structure 17 ' be elastic structure in this embodiment.At this moment, bearing unit 10 ' can obtain to reduce axial internal clearance by two bearings, and guarantee the effect of pre-pressure-controlled.
Rotating shaft 20 and 20 ' can lock, fixing, bonding or riveted are on a rotational structure, and rotational structure is with rotating shaft 20 and 20 ' be the center rotation.Rotational structure can be impeller or motor rotor.
Please refer to shown in Figure 3ly, the motor 4 of preferred embodiment of the present invention comprises a rotor 50, an axle bed 60 and a bearing unit 40.Rotor 50 has a rotating shaft 70, and rotating shaft 70 can be linked to an impeller 80 by locking, fixing, bonding or riveted mode, and impeller 80 has a plurality of flabellums 81.The motor 4 of present embodiment can use in onboard fan, outdoor fan or ventilating fan.
From the above, motor of the present invention and bearing unit thereof by simultaneously rotating shaft and axle bed being fixed in the opposite end portion of bearing two rings, are easy to control and can effectively reach precompressed, and axial internal clearance significantly reduces, and improves the reliability and the effective utilization of motor and bearing unit thereof.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should comprise in the appended claims its equivalent modifications of carrying out or change.
Claims (21)
1, a kind of bearing unit, with rotating shaft and the mutual socket of axle bed, it comprises:
Clutch shaft bearing has first ring portion and second ring portion, this rotating shaft of first end butt or this axle bed of this second ring portion;
First fixed structure is connected to the first end of this first ring portion;
Second fixed structure is connected to the second end of this second ring portion; And
The 3rd fixed structure is connected to the second end of this first ring portion.
2, a kind of bearing unit, with rotating shaft and the mutual socket of axle bed, it comprises:
Clutch shaft bearing has first ring portion and second ring portion, and wherein the opposite end portion of the opposite end portion of this first ring portion and this second ring portion is connected to this rotating shaft and this axle bed respectively.
3, bearing unit as claimed in claim 2, it more comprises:
First fixed structure is connected to this first ring portion; And
Second fixed structure is connected to this second ring portion.
4, bearing unit as claimed in claim 2, it more comprises:
First fixed structure is connected to the first end of this first ring portion;
Second fixed structure is connected to the second end of this second ring portion; And
The 3rd fixed structure is connected to the second end of this first ring portion.
5, as claim 1,3 or 4 described bearing uniies, wherein this first fixed structure or this second fixed structure are clasp, cramp, housing, block or elastic structure.
6, as claim 1 or 4 described bearing uniies, wherein the 3rd fixed structure is clasp, cramp, housing, block or elastic structure.
7, as claim 1 or 2 described bearing uniies, wherein this rotating shaft locking, fixing, bonding or riveted are on rotational structure, and this rotational structure is the center rotation with this rotating shaft.
8, as claim 1 or 2 described bearing uniies, it more comprises second bearing, between this rotating shaft and this axle bed.
9, bearing unit as claimed in claim 8, wherein this clutch shaft bearing contacts with the different position of this rotating shaft and this axle bed respectively with this second bearing.
10, bearing unit as claimed in claim 9, it more comprises:
The 4th fixed structure is connected to the first end of this second bearing inner ring; And
The 5th fixed structure is connected to the first end of this second outer race.
11, bearing unit as claimed in claim 10, wherein the 4th fixed structure or the 5th fixed structure are clasp, cramp, housing, block or elastic structure.
12, bearing unit as claimed in claim 10, wherein the 5th fixed structure is connected with rotor with penetrating modes such as bag, chimeric, fixing.
13, as claim 1 or 2 described bearing uniies, wherein this rotating shaft is a fixed block, and this axle bed is a rotating component.
14, a kind of motor comprises:
Rotor has rotating shaft;
Axle bed; And
Bearing unit, with this rotating shaft and the mutual socket of this axle bed, it comprises clutch shaft bearing, has first ring portion and second ring portion, wherein the opposite end portion of the opposite end portion of this first ring portion and this second ring portion is connected to this rotating shaft and this axle bed respectively.
15, motor as claimed in claim 14, it more comprises:
First fixed structure is connected to this first ring portion; And
Second fixed structure is connected to this second ring portion.
16, motor as claimed in claim 14, it more comprises:
First fixed structure is connected to the first end of this first ring portion;
Second fixed structure is connected to the second end of this second ring portion; And
The 3rd fixed structure is connected to the second end of this first ring portion.
17, motor as claimed in claim 14, wherein this rotating shaft locking, fixing, bonding or riveted are on impeller.
18, motor as claimed in claim 14, it more comprises:
Second bearing is between this rotating shaft and this axle bed;
The 4th fixed structure is connected to the first end of this second bearing inner ring; And
The 5th fixed structure is connected to the first end of this second outer race.
19, motor as claimed in claim 18, wherein the 5th fixed structure is connected with rotor with penetrating modes such as bag, chimeric, fixing.
20, motor as claimed in claim 14, wherein this rotor has a plurality of flabellums.
21, motor as claimed in claim 14, wherein this rotor is connected with impeller via this rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101867521A CN101435469B (en) | 2007-11-16 | 2007-11-16 | Motor and bearing assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101867521A CN101435469B (en) | 2007-11-16 | 2007-11-16 | Motor and bearing assembly thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101435469A true CN101435469A (en) | 2009-05-20 |
| CN101435469B CN101435469B (en) | 2012-03-14 |
Family
ID=40710053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101867521A Active CN101435469B (en) | 2007-11-16 | 2007-11-16 | Motor and bearing assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101435469B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532290A (en) * | 2013-10-22 | 2014-01-22 | 湖南科力尔电机有限公司 | Ball bearing motor capable of adjusting center automatically |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS556040Y2 (en) * | 1975-11-04 | 1980-02-12 | ||
| CN2792012Y (en) * | 2005-05-27 | 2006-06-28 | 蔡学功 | Variable torque fan clutch |
| CN100477450C (en) * | 2005-06-09 | 2009-04-08 | 台达电子工业股份有限公司 | Bidirectional buffering motor mechanism |
-
2007
- 2007-11-16 CN CN2007101867521A patent/CN101435469B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103532290A (en) * | 2013-10-22 | 2014-01-22 | 湖南科力尔电机有限公司 | Ball bearing motor capable of adjusting center automatically |
| CN103532290B (en) * | 2013-10-22 | 2015-12-02 | 湖南科力尔电机有限公司 | A kind of ball bearing motor of automatic aligning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101435469B (en) | 2012-03-14 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |