CN102035290B - Vibration absorption and de-noising improved structure of motor rotor - Google Patents
Vibration absorption and de-noising improved structure of motor rotor Download PDFInfo
- Publication number
- CN102035290B CN102035290B CN201010617352A CN201010617352A CN102035290B CN 102035290 B CN102035290 B CN 102035290B CN 201010617352 A CN201010617352 A CN 201010617352A CN 201010617352 A CN201010617352 A CN 201010617352A CN 102035290 B CN102035290 B CN 102035290B
- Authority
- CN
- China
- Prior art keywords
- rotor
- vibration
- bearing
- motor
- ring
- 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.)
- Active
Links
Images
Abstract
The invention discloses a vibration absorption and de-noising improved structure of a motor rotor. The structure is arranged between two bearings in upper and lower rotor brackets and form a motor together with a stator; the structure comprises a rotor and a rotating shaft; the rotor is sleeved and fixed with the rotating shaft; one end of the rotating shaft passes through the end face of the bearing in the lower rotor bracket and is placed in the lower rotor bracket, and the other end of the rotating shaft passes through the end face of the bearing in the upper rotor bracket to form an output shaft; the vibration absorption and de-noising improved structure of the motor rotor also comprises a vibration absorption device; the vibration absorption device is arranged between the inner surface of a bottom support of the lower rotor bracket and the bearing in the lower rotor bracket, and comprises a retainer ring; and the retainer ring is sleeved on the rotating shaft, one side of the retainer ring is propped against the end face of the bearing, and the other side of the retainer ring is propped against the inner surface of the bottom support of the lower rotor bracket. The vibration absorption and de-noising improved structure of the motor rotor has low material consumption and low cost, is fast to install, can be well positioned and installed in one step, and simplifies the operation process during assembly.
Description
Technical field
The present invention relates to a kind of small-power or miniature inductive motor, relate in particular to a kind of vibration and noise reducing structure-improved of motor rotor.
Background technology
Motor is commonly called as " motor " (transliteration of motor), is meant a kind of calutron of realizing converting electric energy to mechanical energy according to the law of electromagnetic induction.Generally comprise stator winding, rotor, rotation axis and support; And stator is installed on the support regularly; Rotor is installed in the stator and is articulated on the support; Stator winding be with electric wire through certain mode coiled coil, produce induced electromotive force behind the coil electricity and serve as and revolve electric field, and then on rotor coil, produce the torque actuated rotor rotation.
The rotor of general motor directly is socketed on the rotation axis, and rotation axis directly is articulated on the support, in the process of motor running; Because what use is AC power, motor coil produces alternating magnetic field with alternating current, and rotor rotated is produced axially this alternating magnetic field or radially pulsating is moving; Whole rotor can collide bracket bearing after producing vibration; If it is too big that the free axis of rotor in motor scurried, the inertia of the back and forth play of rotor when operation is just big so, and then the vibrating noise of motor is just big; If the free axis of rotor in motor scurried too little or do not had; The low voltage starting of this motor will compare difficulty so, and grating also can increase, even can have influence on the performance and the useful life of motor; General solution is to remain on a reasonable range through the front and back back-up ring being installed and through the quantity of adjusting packing ring the axle of motor being scurried; Because accumulated tolerance, motor has some difficulty when producing in batches, waste time and energy.
Please refer to Fig. 1, shown the vibration and noise reducing structure-improved of the motor rotor of prior art.The vibration and noise reducing structure-improved 100 ' of the motor rotor of prior art is installed between the two bearings 201 ' in the upper and lower rotor field spider 200 ' forms motor with stator (figure does not show); Generally comprise rotor 1 ' and rotation axis 2 '; Said rotor 1 ' is fixed with said rotation axis 2 ' socket; The end face that said rotation axis 2 ' is articulated on the end face of said bearing 201 ' and an end passes said bearing 201 ' forms output shaft, and for vibration and noise reducing, the articulated section between the two bearings 201 ' in said rotor and upper and lower rotor field spider 200 ' is installed the axial vibration realization vibration damping purpose that vibration absorber 3 ' absorbs rotor respectively; This vibration absorber is generally back-up ring, rubber sheet gasket or felt gasket etc.; Though can reach certain effectiveness in vibration suppression,, not enough below the vibration and noise reducing structure-improved 100 ' of the motor rotor of prior art exists: 1; The radial vibration that vibration absorber absorbs rotor need be installed respectively in the articulated section between the two bearings 201 ' in said rotor and the upper and lower rotor field spider 200 ' realize the vibration damping purpose; When installing, need install the vibration absorber between the bearing 201 ' in rotor and the lower rotor part support 200 ' earlier, and then the vibration absorber between the bearing 201 ' in rotor and the upper rotor part support 200 ' is installed; The control difficulty, and be unfavorable for quick for installation; 2. reach the vibration damping purpose because need to install double vibration absorber, waste material, cost is higher.
Therefore, need a kind of vibration and noise reducing structure-improved of improved motor rotor to overcome above-mentioned difficulties.
Summary of the invention
The object of the present invention is to provide a kind of vibration and noise reducing structure-improved of motor rotor; Materials are few, cost is low; And it is quick for installation; It is good to settle location and installation at one go, operating procedure when simplifying assembling, and can reduce the vibration that produces because of rotor rotation effectively and self is caused damage and reduce noise.
To achieve these goals; The present invention provides a kind of vibration and noise reducing structure-improved of motor rotor; Be installed between the two bearings in the upper and lower rotor field spider and form motor with stator; Comprise rotor and rotation axis, said rotor and said rotation axis socket are fixed, and an end of said rotation axis passes the bearing face in the said lower rotor part support and places in the said lower rotor part support; The other end forms output shaft after passing the bearing face in the said upper rotor part support; The vibration and noise reducing structure-improved of said motor rotor also comprises vibration absorber, and said vibration absorber is arranged between the bottom support inner surface and the bearing in the said lower rotor part support of said lower rotor part support, comprises back-up ring; Said shield ring sleeve is connected on the said rotation axis and one side is conflicted with the end face of said bearing, and the bottom support inner surface of another side and said lower rotor part support is conflicted.
Preferably; Said vibration absorber also comprises upper and lower packing ring; Said upper and lower packing ring all is socketed on the said rotation axis and the one side of said back-up ring is conflicted through the end face of said upper gasket and said bearing, and the another side of said back-up ring is conflicted through the bottom support inner surface of said lower gasket and said lower rotor part support.
Preferably, stepped, the I-shaped or cylindrical structural of said back-up ring.
Preferably, said upper and lower packing ring is wear-resisting plastic washers.
Preferably, be fixed in said upper bracket or lower carriage inside under each said bearing effect through malthoid circle, bearing shell fragment and gland.
Compared with prior art, because the present invention utilizes said back-up ring and upper and lower gasket sleeve to be connected on the said rotation axis only through a said vibration absorber is installed between the bearing in the bottom of said lower rotor part support support inner surface and said lower rotor part support; When said rotor rotation, in the rotation process, because the alternating current that uses; Make stator produce alternating magnetic fields, therefore, make said rotor discontinuity and produce unsettled rotation; Said rotor can produce axial vibration along said rotation axis in the end face of said bearing, vibrates vertically thereby drive said rotation axis, but because fixing and keeping out under the effect at said back-up ring and upper and lower packing ring; Limiting said rotation axis vibrates vertically; Thereby prevent the end face of the said bearing of the direct bump of said rotor and damage said rotor, play the effect of vibration damping, simultaneously; Because under the cushioning effect of said upper and lower packing ring; Said back-up ring reduced the impact of the bottom support inner surface of said bearing face or said rotor field spider after the vibration of said rotation axis was cushioned, and the impact noise of generation reduces, and plays noise reduction effect to a certain degree.It is thus clear that; The vibration and noise reducing structure-improved materials of motor rotor of the present invention are few, cost is low, and quick for installation, and it is good to settle location and installation at one go; Operating procedure when simplifying assembling, and can reduce the vibration that produces because of rotor rotation effectively and self is caused damage and reduce noise.
Through following description and combine accompanying drawing, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
Fig. 1 is the structure improved structural representation of vibration and noise reducing of the motor rotor of prior art.
Fig. 2 is the structure improved structural representation of the vibration and noise reducing of motor rotor of the present invention.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, similar assembly label is represented similar assembly in the accompanying drawing.As stated; The invention provides a kind of vibration and noise reducing structure-improved of motor rotor, materials are few, cost is low, and quick for installation; It is good to settle location and installation at one go, and can reduce the vibration that produces because of rotor rotation effectively and self is caused damage and reduce noise.
As shown in Figure 2; The vibration and noise reducing structure-improved 100 of motor rotor of the present invention is installed between two bearings 201,301 end faces in the upper and lower rotor field spider 200,300 forms motor with the stator (not shown); Comprise rotor 1 and rotation axis 2; Said rotor 1 is fixed with said rotation axis 2 sockets; One end 21 of said rotation axis 2 passes bearing 301 end faces in the said lower rotor part support 300 and places in the said lower rotor part support 300, and the other end 22 forms output shaft after passing bearing 201 end faces in the said upper rotor part support 200, and said upper and lower rotor field spider 200,300 connects fixing through connector 400 (like screw, bolt etc.).Be fixed in said upper rotor part support 200 or lower rotor part support 300 inside under each said bearing 201,301 effect through malthoid circle 201a, bearing shell fragment 201b and gland 201c.
The vibration and noise reducing structure-improved 100 of said motor rotor also comprises vibration absorber 3; Said vibration absorber 3 is arranged between the bottom support inner surface 302 and the bearing 301 in the said lower rotor part support 300 of said lower rotor part support 300; Comprise back-up ring 31; Said back-up ring 31 is socketed on the said rotation axis 2 and one side is conflicted with the end face of said bearing 301, and the bottom support inner surface 302 of another side and said lower rotor part support 300 is conflicted.
The preferably; Vibration absorber 3 in the present embodiment also comprises upper gasket 32 and lower gasket 33; Said upper gasket 32 all is socketed on the said rotation axis 2 with lower gasket 33 and the one side of said back-up ring 31 is conflicted through the said upper gasket 32 and the end face of said bearing 301, and the another side of said back-up ring 31 is conflicted through the said lower gasket 33 and the bottom support inner surface 302 of said lower rotor part support 300.Be that said upper gasket 32 is socketed on the said rotation axis 2 and one side is conflicted with said back-up ring 31, the end face of another side and said bearing 301 is conflicted; Said lower gasket 33 is socketed on the said rotation axis 2 and one side is conflicted with said back-up ring 31, and the bottom support inner surface 302 of another side and said lower rotor part support 300 is conflicted.
The preferably, said back-up ring 31 stepped, I-shaped or cylindrical structurals.
The preferably, said upper gasket 32 is wear-resisting plastic washers with lower gasket 33, uses ganoid plastic material to process.
In conjunction with shown in Figure 2, during motor operations, stator energising back produces magnetic field; Said rotor 1 is rotated, in the rotation process, because the alternating current that uses; Make stator produce alternating magnetic fields, therefore, make said rotor 1 discontinuity and produce unsettled rotation; Said rotor 1 can produce axial vibration along said rotation axis 2 in the end face of said bearing 201, vibrate vertically thereby drive said rotation axis 2, drives said back-up ring 31 and upper gasket 32, lower gasket 33 during vibration; Make said back-up ring 31 promote said upper gaskets 32 and clash into the end face of said bearing 301, but under the restriction of said bearing 301, can't further move, vibrate vertically thereby limit said rotation axis 2; Thereby prevent that said rotor 1 from directly clashing into the end face of said bearing 201,301 and damaging said rotor 1, plays the effect of vibration damping, simultaneously; Because under the cushioning effect of said upper gasket 32, lower gasket 33; The impact that the vibration of said rotation axis 2 is cushioned the bottom support inner surface 302 of back 31 pairs of said bearing faces of said back-up ring or said rotor field spider 300 reduces, and the impact noise of generation reduces, and plays noise reduction effect to a certain degree.
The rotary principle of the rotor 1 that the vibration and noise reducing structure-improved 100 of motor rotor of the present invention is involved and the structure of stator and rotor 1 is well known to those of ordinary skill in the art, no longer does detailed explanation at this.
Above disclosedly be merely preferred embodiments of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (5)
1. the vibration and noise reducing structure-improved of a motor rotor; Be installed between the two bearings in the upper and lower rotor field spider and form motor with stator; Comprise rotor and rotation axis, said rotor and said rotation axis socket are fixed, and an end of said rotation axis passes the bearing face in the said lower rotor part support and places in the said lower rotor part support; The other end forms output shaft after passing the bearing face in the said upper rotor part support; It is characterized in that: the vibration and noise reducing structure-improved of said motor rotor also comprises vibration absorber, and said vibration absorber is arranged between the bottom support inner surface and the bearing in the said lower rotor part support of said lower rotor part support, comprises back-up ring; Said shield ring sleeve is connected on the said rotation axis and one side is conflicted with the end face of said bearing, and the bottom support inner surface of another side and said lower rotor part support is conflicted.
2. the vibration and noise reducing structure-improved of motor rotor as claimed in claim 1; It is characterized in that: said vibration absorber also comprises upper and lower packing ring; Said upper and lower packing ring all is socketed on the said rotation axis and the one side of said back-up ring is conflicted through the end face of said upper gasket and said bearing, and the another side of said back-up ring is conflicted through the bottom support inner surface of said lower gasket and said lower rotor part support.
3. the vibration and noise reducing structure-improved of motor rotor as claimed in claim 1 is characterized in that: stepped, the I-shaped or cylindrical structural of said back-up ring.
4. the vibration and noise reducing structure-improved of motor rotor as claimed in claim 2, it is characterized in that: said upper and lower packing ring is wear-resisting plastic washers.
5. the vibration and noise reducing structure-improved of motor rotor as claimed in claim 1 is characterized in that: be fixed in said upper rotor part support or lower rotor part internal stent under each said bearing effect through malthoid circle, bearing shell fragment and gland.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010617352A CN102035290B (en) | 2010-12-31 | 2010-12-31 | Vibration absorption and de-noising improved structure of motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010617352A CN102035290B (en) | 2010-12-31 | 2010-12-31 | Vibration absorption and de-noising improved structure of motor rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102035290A CN102035290A (en) | 2011-04-27 |
| CN102035290B true CN102035290B (en) | 2012-10-17 |
Family
ID=43887779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010617352A Active CN102035290B (en) | 2010-12-31 | 2010-12-31 | Vibration absorption and de-noising improved structure of motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102035290B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102368641A (en) * | 2011-10-28 | 2012-03-07 | 许晓华 | Improved structure of motor |
| CN103580317B (en) * | 2012-08-10 | 2017-08-08 | 浙江三花制冷集团有限公司 | A kind of canned motor pump magneto |
| CN108512349A (en) * | 2018-04-17 | 2018-09-07 | 深圳市兆威机电股份有限公司 | Prevent motor resonance from changing voice mechanism |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201038892Y (en) * | 2007-04-13 | 2008-03-19 | 许晓华 | Rotor and end cover assembly structure with automatically-adjusted axial clearance |
| CN201393129Y (en) * | 2009-04-03 | 2010-01-27 | 中山大洋电机股份有限公司 | Shock absorption structure of motor bearing system |
| CN201435646Y (en) * | 2009-07-01 | 2010-03-31 | 贵州航天林泉电机有限公司 | Motor vibration absorption structure |
| CN201918831U (en) * | 2010-12-31 | 2011-08-03 | 东莞国亮电机有限公司 | Improved structure for vibration reduction and noise reduction of motor rotor |
-
2010
- 2010-12-31 CN CN201010617352A patent/CN102035290B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102035290A (en) | 2011-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102691534B (en) | Turbo machine | |
| CN200941566Y (en) | Low resistance disk-type windpower generator | |
| CN102035290B (en) | Vibration absorption and de-noising improved structure of motor rotor | |
| CN103339837A (en) | Molded motor | |
| CN201918831U (en) | Improved structure for vibration reduction and noise reduction of motor rotor | |
| CN102780314B (en) | Direct drive type outer rotor rotation driving device | |
| WO2011043075A1 (en) | Air conditioner | |
| CN209344905U (en) | A kind of low vibration low noise motor | |
| CN107394943A (en) | Motor and its bearing block mounting assembly | |
| CN102035289B (en) | Vibration damping and noise reducing mechanism for motor rotor | |
| CN203434763U (en) | A novel reluctance motor turning on/off apparatus | |
| CN207124518U (en) | Motor and its bearing block mounting assembly | |
| CN110601402A (en) | Sectional type rotor, motor, compressor and air conditioner | |
| CN108075583A (en) | A kind of round brush dust catcher of external rotor electric machine and the application motor | |
| CN101931297A (en) | Disk-type magneto generator of statorless iron core | |
| CN208939747U (en) | A kind of electric vehicle permanent magnet synchronous motor | |
| JP2011205724A (en) | Air conditioner | |
| CN208158315U (en) | Reduce the AC generator for vehicle of electromagnetic noise | |
| CN209016802U (en) | Motor for washer and washing machine | |
| CN209659034U (en) | A kind of motor of dust collector | |
| CN209200867U (en) | Motor for washer and washing machine | |
| CN208623445U (en) | A kind of machine shaft support construction | |
| CN202586699U (en) | Outer rotor direct current brushless motor | |
| CN208782703U (en) | A kind of brushless motor | |
| CN205544859U (en) | High -efficient permanent magnet brushless motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| 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 |