CN203504340U - Ball bearing motor capable of automatic self-aligning - Google Patents
Ball bearing motor capable of automatic self-aligning Download PDFInfo
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- CN203504340U CN203504340U CN201320652712.2U CN201320652712U CN203504340U CN 203504340 U CN203504340 U CN 203504340U CN 201320652712 U CN201320652712 U CN 201320652712U CN 203504340 U CN203504340 U CN 203504340U
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- ball bearing
- bearing
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- armature spindle
- housing
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Abstract
The utility model discloses a ball bearing motor capable of automatic self-aligning relating to the mini-sized motor technical field. The ball bearing motor is constituted by a main stator iron core assembly5, a rotor assembly, a front end support 3, a tail end support 13, a front end bearing, a tail end bearing, a self-heat dissipation fan blade assembly, and a load fan blade assembly. The ball bearing motor is the shaded pole mini-sized motor, and is suitable for the devices requiring the high rotating speed, long service lifetime, and low noises, and has advantages of simple structure, convenient processing, low noises, long service lifetime of ball bearing, good low voltage starting performance, stable rotating speed, high efficiency, and ability of realizing automatic self-aligning function.
Description
Technical field
The utility model relates to the ball bearing motor of micromachine technical field, particularly a kind of automatic aligning.
Background technology
In prior art, in Miniature ball bearing electric machine, the bearing at two ends is to adopt ball bearing, because its rotating speed is higher, thereby, require the concentricity of two ends ball bearing higher, and then require the accuracy of manufacture of two end supports higher, thereby improved the manufacturing cost of product.Chinese patent (application number is 01220294964.8) " aligning support of a kind of fixedly low-power machine rotating shaft ", comprise support (1), there is a through hole at the axis place of this support, settle in this through hole one can be enclosed within shape on machine shaft (5) as the cup scholar (2) of abacus bead shape, this glass of scholar outside is wrapped in a cotton circle of oil (4), also comprise that one is pressed in the gland (3) in through hole by cup scholar, the inwall of described through hole is divided into successively the diameter that is connected by little and large first, second, the 3rd step, wherein the sidewall of first step surrounds one coniform, for cup scholar described in support, it is one cylindric that the sidewall of second step surrounds, for laying the cotton circle of described oil, it is one cylindric that the sidewall of the 3rd step surrounds, for gland described in clamping, described cup scholar is glanded and is pressed on first step.Compared with prior art, the utility model contact-making surface is little, and frictional resistance is little, easy to lubricate, it is little to wear and tear, aligning speed is fast, has wide market prospects.
Summary of the invention
It is a kind of simple in structure, easy to process that the purpose of this utility model is to provide, and noise is low, the ball bearing life-span is long, low voltage starting is good, stabilization of speed, efficiency are higher, micromachine that can automatic aligning.
For realizing its object, technical solution adopted in the utility model is the ball bearing motor of a kind of automatic aligning of design: comprise main stator core assembly 5, rotor assembly, front-end bracket 3, end support 13 and front end bearing and tail end bearing, end support 13, main stator core assembly 5 and front-end bracket 3 are connected successively, in the cavity forming, rotor assembly are installed; Described rotor assembly comprises rotor 7 and armature spindle 10, and the two ends of armature spindle 10 pass respectively front end bearing and tail end bearing;
A, described front end bearing are to consist of front end bearing holder (housing, cover) 17 and front end ball bearing 16, and the outside of front end bearing holder (housing, cover) 17 is dome shape, and front end ball bearing 16 is inlaid in the ladder hole of front end bearing holder (housing, cover) 17; The bearing chamber of described front-end bracket 3 is interior large, outer little taper seat, in-built front end bearing holder (housing, cover) 17;
B, described tail end bearing are to consist of tail end bearing holder (housing, cover) 8 and tail end ball bearing 9, and the outside of tail end bearing holder (housing, cover) 8 is dome shape, and tail end ball bearing 9 is inlaid in the ladder hole of tail end bearing holder (housing, cover) 8; The bearing chamber of described end support 13 is interior large, outer little taper seat, in-built tail end bearing holder (housing, cover) 8;
C, on the armature spindle 10 between described front end ball bearing 16 and the front end of rotor 7, thrust washer 14 is also installed;
D, on the armature spindle 10 between described rear end ball bearing 9 and the rear end of rotor 7, pad 11 and Compress Spring 12 are also installed successively.
Between described front end ball bearing 16 and thrust washer 14, snap ring 15 is also installed.
Outside at described front-end bracket 3 is also provided with mounting panel 1, and the front end of described armature spindle 10 passes mounting panel 1.
Also be provided with and comprise from cooling wind blade assembly and load fan blade assembly; Described is to consist of little fan blade 4, little fan blade baffle plate 19 and baffle plate snap ring 18 from cooling wind blade assembly, and described load fan blade assembly is to consist of big blade 2, axle sleeve 20 and nut 21; Little fan blade 4, little fan blade baffle plate 19 and baffle plate snap ring 18 are arranged on successively by forming on the armature spindle 10 of cavity segment between mounting panel 1 and front-end bracket 3 outsides; Big blade 2 is arranged on the armature spindle 10 of mounting panel 1 segmentum laterale, on the armature spindle 10 between itself and little fan blade 4, installs axle sleeve 20, fixing by the nut 21 that is arranged on armature spindle 10 front end screw portions.
The ball bearing motor of automatic aligning of the present utility model, is designed to interior large, outer little taper seat by the bracket bearing chamber at two ends, and designs the bearing holder (housing, cover) that an outside is dome shape, has ladder hole, ball bearing is inlaid in the ladder hole of bearing holder (housing, cover); Because the spherical outside surface of bearing holder (housing, cover) is that line contacts cooperation with conical bracket bearing chamber, bearing holder (housing, cover) can all directions swing, thereby, compare with similar motor, have the following advantages:
The one, effect that can automatic aligning;
The 2nd, structure is comparatively simple, low to the machining accuracy of parts and matching requirements, and two end supports and main stator core assembly are to be connected by screw in addition, and assembling is simple, thus process more convenient, and the corresponding reduction of cost;
The 3rd, whole motor only has inner sleeve and the rotor assembly unitary rotation of ball bearing, therefore noise is lower;
The 4th, the ball bearing life-span is long, according to prototyping testing: at 100 ℃, can continuous operation more than 6000 hours;
The 5th, low voltage starting is good, according to prototyping testing: just can move in 40% of rated voltage;
The 6th, whole motor only has the ball of ball bearing to produce friction, and coefficient of friction is little, stabilization of speed (scope fluctuates in 5%), efficiency higher (can reach 27%).
Accompanying drawing explanation
Accompanying drawing 1 is main cross-sectional schematic of the present utility model.
In figure: the 1st, mounting panel, the 2nd, big blade, the 3rd, front-end bracket, the 4th, little fan blade, the 5th, main stator core assembly, the 6th, screw, the 7th, rotor, the 8th, rear end bearing cover, the 9th, rear end ball bearing, the 10th, armature spindle, the 11st, pad, the 12nd, Compress Spring, the 13rd, rear end support, the 14th, thrust washer, the 15th, front end bearing snap ring, the 16th, front end ball bearing, the 17th, front end bearing holder (housing, cover), the 18th, snap ring, the 19th, little fan blade baffle plate, the 20th, axle sleeve, the 21st, nut.
Embodiment
Below in conjunction with embodiment, the utility model is further described.Explanation is below the mode exemplifying, but protection range of the present utility model is not limited to this.
The ball bearing motor of the automatic aligning of the present embodiment is by main stator core assembly 5, rotor assembly, front-end bracket 3, rear end support 13, front end bearing, tail end bearing and from cooling wind blade assembly and load fan blade module composition.
Front-end bracket 3 and end support 13 are all with existing identical, and its bearing chamber is internal conical surface, that is: large towards one end of rotor 7, the other end is less.
Front end bearing is to consist of front end bearing holder (housing, cover) 17 and front end ball bearing 16, and tail end bearing is to consist of tail end bearing holder (housing, cover) 8 and tail end ball bearing 9; Front end bearing holder (housing, cover) 17 and tail end bearing holder (housing, cover) 8 are spheroid and dissect and form, and its cutting plane has the ladder hole that is vertical, front end ball bearing 16 and tail end ball bearing 9 are installed for (embedding) with cutting plane, and its non-cutting plane still keeps dome shape.
Rotor assembly is to consist of rotor 7 and armature spindle 10, the output shaft end that the front end of armature spindle 10 is motor; In the end segment of armature spindle 10, be annular knurl straight burr, for user installation speed control unit is used.
From cooling wind blade assembly, be to consist of little fan blade 4, little fan blade baffle plate 19 and baffle plate snap ring 18, load fan blade assembly is to consist of big blade 2, axle sleeve 20 and nut 21.
During assembling, first by the front end of the armature spindle 10 of rotor assembly, install successively thrust washer 14 and snap ring 15(near the annular groove at rotor 7 positions), then, by the front end of armature spindle 10 through front end ball bearing 16(now, front end bearing holder (housing, cover) 17 and front-end bracket 3 have been passed in passing), again main stator core assembly 5 is inserted in to rotor 7, again Compress Spring 12 and pad 11 are penetrated by the tail end of armature spindle 10 successively, pass again rear end ball bearing 9(now, rear end bearing cover 8 and rear end support 13 have been passed in passing), with screw 6 by front-end bracket 3, main stator core assembly 5 and rear end support 13 link into an integrated entity, now, rotor assembly is arranged on by front-end bracket 3, in the cavity that main stator core assembly 5 and rear end support 13 form.
Then, near the annular groove of armature spindle 10 front ends, load onto baffle plate snap ring 18, then, little fan blade baffle plate 19 and little fan blade 4 are packed on axle successively, then mounting panel 1 is fixedly connected with front-end bracket 3 through axle; After last, install axle sleeve 20 and big blade 2, by nut 21, be locked.
In installation or use procedure, when deviation appears in the axis of front end ball bearing 16 and the axis of rear end ball bearing 9, front end bearing holder (housing, cover) 17 and rear end bearing cover 8 will rotate in bracket bearing chamber separately, make both axis be tending towards overlapping, thereby, realize automatic aligning.
The ball bearing motor of automatic aligning of the present utility model, is shaded pole micro water motor, is applicable to require the equipment use that rotating speed is higher, the life-span is long, noise is lower.
Claims (4)
1. the ball bearing motor of an automatic aligning, comprise main stator core assembly (5), rotor assembly, front-end bracket (3), end support (13) and front end bearing and tail end bearing, end support (13), main stator core assembly (5) and front-end bracket (3) are connected successively, in the cavity forming, rotor assembly are installed; Described rotor assembly comprises rotor (7) and armature spindle (10), and the two ends of armature spindle (10) pass respectively front end bearing and tail end bearing; It is characterized in that:
A, described front end bearing are to consist of front end bearing holder (housing, cover) (17) and front end ball bearing (16), and the outside of front end bearing holder (housing, cover) (17) is dome shape, and front end ball bearing (16) is inlaid in the ladder hole of front end bearing holder (housing, cover) (17); The bearing chamber of described front-end bracket (3) is interior large, outer little taper seat, in-built front end bearing holder (housing, cover) (17);
B, described tail end bearing are to consist of tail end bearing holder (housing, cover) (8) and tail end ball bearing (9), and the outside of tail end bearing holder (housing, cover) (8) is dome shape, and tail end ball bearing (9) is inlaid in the ladder hole of tail end bearing holder (housing, cover) (8); The bearing chamber of described end support (13) is interior large, outer little taper seat, in-built tail end bearing holder (housing, cover) (8);
C, the armature spindle (10) between described front end ball bearing (16) and the front end of rotor (7) above, are also provided with thrust washer (14);
D, the armature spindle (10) between described tail end ball bearing (9) and the rear end of rotor (7) above, are also provided with pad (11) and Compress Spring (12) successively.
2. the ball bearing motor of automatic aligning according to claim 1, is characterized in that: between described front end ball bearing (16) and thrust washer (14), snap ring (15) is also installed.
3. according to the ball bearing motor of automatic aligning described in claim 1 or 2, it is characterized in that: in the outside of described front-end bracket (3), mounting panel (1) is also installed, the front end of described armature spindle (10) passes mounting panel (1).
4. the ball bearing motor of automatic aligning according to claim 3, is characterized in that: be also provided with and comprise from cooling wind blade assembly and load fan blade assembly; Described is to consist of little fan blade (4), little fan blade baffle plate (19) and baffle plate snap ring (18) from cooling wind blade assembly, and described load fan blade assembly is to consist of big blade (2), axle sleeve (20) and nut (21); Little fan blade (4), little fan blade baffle plate (19) and baffle plate snap ring (18) are arranged on successively by forming on the armature spindle (10) of cavity segment between mounting panel (1) and front-end bracket (3) outside; It is upper that big blade (2) is arranged on the armature spindle (10) of mounting panel (1) segmentum laterale, its with little fan blade (4) between armature spindle (10) on install axle sleeve (20), by the nut (21) that is arranged on armature spindle (10) front end screw portion, fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320652712.2U CN203504340U (en) | 2013-10-22 | 2013-10-22 | Ball bearing motor capable of automatic self-aligning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320652712.2U CN203504340U (en) | 2013-10-22 | 2013-10-22 | Ball bearing motor capable of automatic self-aligning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203504340U true CN203504340U (en) | 2014-03-26 |
Family
ID=50335284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320652712.2U Withdrawn - After Issue CN203504340U (en) | 2013-10-22 | 2013-10-22 | Ball bearing motor capable of automatic self-aligning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203504340U (en) |
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 |
| CN105790536A (en) * | 2014-12-09 | 2016-07-20 | 建准电机工业股份有限公司 | Motor and bearing assembly thereof |
-
2013
- 2013-10-22 CN CN201320652712.2U patent/CN203504340U/en not_active Withdrawn - After Issue
Cited By (3)
| 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 |
| CN105790536A (en) * | 2014-12-09 | 2016-07-20 | 建准电机工业股份有限公司 | Motor and bearing assembly thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20151202 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20151202 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |