CN104702001A - Small or miniature motor and wave shape elastic gasket thereof - Google Patents
Small or miniature motor and wave shape elastic gasket thereof Download PDFInfo
- Publication number
- CN104702001A CN104702001A CN201310657970.4A CN201310657970A CN104702001A CN 104702001 A CN104702001 A CN 104702001A CN 201310657970 A CN201310657970 A CN 201310657970A CN 104702001 A CN104702001 A CN 104702001A
- Authority
- CN
- China
- Prior art keywords
- spring washer
- wave spring
- small
- narrow
- sized
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/187—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to inner stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a small or miniature motor and a wave shape elastic gasket thereof. The small or miniature motor comprises a rotor component, a front end cover, a rear end cover, a front bearing, a rear bearing and a stator component installed between the front and rear end covers; a rotary shaft of the rotor component is rotatably arranged on the front and rear end covers through the front and rear bearings, and the front end of the rotary shaft penetrates a central through hole of the front end cover; the small or miniature motor further comprises the wave shape elastic gasket used for positioning, vibration absorbing and preventing the rotor iron core of the rotor component from loosening and shifting; the wave shape elastic gasket comprises a wave-shaped jagged narrow-edge ring and a central through hole formed by the narrow-edge ring; the wave shape elastic gasket is arranged between the rear end cover and the stator iron core, the narrow-edge ring of the wave shape elastic gasket is squeezed between the end surface of the rear end cover and the end surface of the stator iron core. The motor has the advantages of high safety and reasonable structure.
Description
[
technical field]
The present invention relates to motor, particularly relate to small-sized or micromachine, the invention still further relates to the wave spring washer for small-sized or micromachine.
[
background technology]
Small-sized or micromachine all plays a part very important in every field, its reliability is especially paid close attention to by people and paid attention to.The stator core of the small-sized or micromachine of prior art fixedly comprises fixing with bolt with shell and cold and hotly to press-fit; Fix according to bolt, stator core must open a bolt hole, like this, motor will increase the yoke portion size of stator core, same shell also will design the bolt hole of fixed stator iron core, and shell sizes also will strengthen accordingly, can add the volume of motor like this; Press-fit if cold and hot, stator core and the shell magnitude of interference little, be easy to loosen after shell is heated, in fact the outer surface of stator core and the inner surface of shell are the false interference of high point cantact, especially at small-sized or micromachine when running up process for a long time, temperature is higher, shell expands, stator core changes position in torsion and vibrations, reduces the reliability of motor, makes whole motor there is potential safety hazard.
[
summary of the invention]
Small-sized or the micromachine that the technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and provides a kind of fail safe high and rational in infrastructure, present invention also offers a kind of for wave spring washer that is small-sized or micromachine.
The technical scheme that the present invention solve the technical problem employing is:
A kind of small-sized or micromachine is provided, comprises rotor assembly, front end housing, rear end cap, fore bearing and rear bearing, and be installed on the stator module between described forward and backward end cap; Described rotor assembly comprises rotating shaft and is arranged on the rotor core in this rotating shaft; The stator winding that stator module 10 comprises stator core 11 and is arranged on this stator core 11; The rotating shaft of described rotor assembly is arranged on described front and back ends rotationally by described forward and backward bearing and covers, and this rotating shaft front end is stretched out from the central through hole of described front end housing; Described small-sized or micromachine also comprises location, damping and prevents the wave spring washer of stator core loose shift of stator module, this wave spring washer comprises a circle undulate and rises and falls and irregular narrow all flange portions, and the central through hole that this narrow all flange portion surrounds; Described wave spring washer is arranged between described rear end cap and stator core, between the end face that narrow all flange portions of wherein said wave spring washer are compressed in described rear end cap and the end face of stator core, the inner peripheral surface of described wave spring washer can not interfere with the stator winding of stator module, and that is the central through hole inside dimension of wave spring washer is greater than the overall size of the stator winding of stator module.When the work of small-sized or micromachine, temperature raises, each end cap can expand, were it not for wave spring washer, stator core can change position in torsion and vibrations, and after being provided with this wave spring washer, stator core is had, and axial pretightening is located with circumference, stator core is when machine operation, even if having torsion and vibrations, the position of stator core can not change.Wave spring washer prevents described stator core to change position in torsion and vibrations, serves the effect of location and damping.
The one side in narrow all flange portions of described wave spring washer is outwards provided with multiple first spacing block set, and accordingly, described stator core outer surface is provided with that adapt with described first spacing block set, that quantity is equal stator stopper slot; After small-sized or micromachine assembles, each first spacing block set in narrow all flange portions of described wave spring washer is positioned at the corresponding stator stopper slot of described stator core.
Described first spacing block set is three, and described stator stopper slot is three.
The another side in narrow all flange portions of described wave spring washer is outwards provided with second spacing block set, and accordingly, described rear end cap is provided with the rear end cap stopper slot adapted with described second spacing block set; After small-sized or micromachine assembles, second spacing block set in narrow all flange portions of described wave spring washer is positioned at the rear end cap stopper slot of described rear end cap.
The present invention also provides a kind of wave spring washer on small-sized or micromachine, comprises a circle undulate and rises and falls and irregular narrow all flange portions, and the central through hole that this narrow all flange portion surrounds.The one side in narrow all flange portions of described wave spring washer is outwards provided with multiple first spacing block set.Described first spacing block set is three.The another side in narrow all flange portions of described wave spring washer is outwards provided with second spacing block set.
Compared with the existing technology comparatively, small-sized or micromachine and wave spring washer thereof the beneficial effect of the present invention is:
1, fail safe is high and structure is also reasonable: specially increase location, a damping and prevent the wave spring washer of stator core loose shift of stator module, when the work of small-sized or micromachine, temperature raises, each end cap can expand, were it not for wave spring washer, stator core can change position in torsion and vibrations, and after being provided with this wave spring washer, stator core is had, and axial pretightening is located with circumference, stator core is when machine operation, even if having torsion and vibrations, the position of stator core can not change.Wave spring washer prevents described stator core to change position in torsion and vibrations, serves the effect of location and damping;
2, cheap and technique is simple: wave spring washer selects resilient metal material metal stamping die to be stamped to form;
3, convenient during assembling, can not frock clamp be used, artificial directly installation;
4, the one side in narrow all flange portions of wave spring washer is outwards provided with the first spacing block set of the corresponding stator stopper slot of multiple insertion stator core, makes assembling more convenient, and location is more accurate, and fail safe is higher;
5, the another side in narrow all flange portions of wave spring washer is also outwards provided with the second spacing block set in the rear end cap stopper slot inserting rear end cap, also makes assembling more convenient, and location is more accurate, and fail safe is higher.
[
accompanying drawing explanation]
To be that the present invention's orthographic projection that is small-sized or micromachine is main look cross-sectional schematic to Fig. 1;
Fig. 2 is the exploded isometric perspective view of the rear end cap of described small-sized or micromachine, wave spring washer and stator core position relationship, and in figure, wave spring washer and stator core are assembled together;
Fig. 3 is the exploded isometric perspective view of the rear end cap of described small-sized or micromachine, wave spring washer and stator core position relationship;
Fig. 4 is the described small-sized or wave spring washer of micromachine and the exploded isometric perspective view of stator core position relationship;
Fig. 5 is the axonometric projection schematic diagram of the wave spring washer of described small-sized or micromachine.
[embodiment]
Below in conjunction with each accompanying drawing, the present invention is described in further detail.
See Fig. 1 to Fig. 5, a kind of small-sized or micromachine, comprises rotor assembly 40, front end housing 20, rear end cap 30, fore bearing 50 and rear bearing 60, and is installed on the stator module 10 between described forward and backward end cap 20,30; The rotor core 42 that described rotor assembly 40 comprises rotating shaft 41 and is arranged in this rotating shaft 41; The stator winding that stator module 10 comprises stator core 11 and is arranged on this stator core 11; The rotating shaft 41 of described rotor assembly 40 is arranged on described forward and backward end cap 20,30 by described forward and backward bearing 50,60 rotationally, and this rotating shaft 41 front end is stretched out from the central through hole of described front end housing 20; Described small-sized or micromachine also comprises location, damping and prevents the wave spring washer 80 of stator core 11 loose shift of stator module 10, this wave spring washer 80 comprises a circle undulate and rises and falls and irregular narrow all flange portions 81, and the central through hole 82 that this narrow all flange portion 81 surrounds; Described wave spring washer 80 is arranged between described rear end cap 30 and stator core 11, between the end face 31 that narrow all flange portions 81 of wherein said wave spring washer 80 are compressed in described rear end cap 30 and the end face 118 of stator core 11, the inner peripheral surface 83 of described wave spring washer 80 can not interfere with the stator winding (not shown) of stator module 10, and that is central through hole 82 inside dimension of wave spring washer 80 is greater than the overall size of the stator winding of stator module 10.When the work of small-sized or micromachine, temperature raises, each end cap can expand, were it not for wave spring washer 80, stator core 11 can change position in torsion and vibrations, and after 80s when being provided with this wave spring washer, stator core is had, and axial pretightening is located with circumference, stator core 11 is when machine operation, even if having torsion and vibrations, the position of stator core 11 can not change.Wave spring washer 80 prevents described stator core 11 to change position in torsion and vibrations, serves the effect of location and damping.
See Fig. 2 to Fig. 5, the one side in narrow all flange portions 81 of described wave spring washer 80 is outwards provided with multiple first spacing block set 811, accordingly, described stator core 11 outer surface is provided with that adapt with described first spacing block set 811, that quantity is equal stator stopper slot 111; After small-sized or micromachine assembles, each first spacing block set 811 in narrow all flange portions 81 of described wave spring washer 80 is positioned at the corresponding stator stopper slot 111 of described stator core 11.
See Fig. 3 and Fig. 5, described first spacing block set 811 is three, and described stator stopper slot 111 is three.
See Fig. 2 to Fig. 5, the another side in narrow all flange portions 81 of described wave spring washer 80 is outwards provided with second spacing block set 812, and accordingly, described rear end cap 30 is provided with the rear end cap stopper slot 32 adapted with described second spacing block set 812; After small-sized or micromachine assembles, second spacing block set 812 in narrow all flange portions 81 of described wave spring washer 80 is positioned at the rear end cap stopper slot 32 of described rear end cap 30.
The present invention's wave spring washer 80 that is small-sized or micromachine selects resilient metal material metal stamping die to be stamped to form, and cheap, technique is simple.After assembling, between the end face 31 that narrow all flange portions 81 of wave spring washer 80 are compressed in described rear end cap 30 and the end face 118 of stator core 11, each first spacing block set 811 in narrow all flange portions 81 of wave spring washer 80 is positioned at the corresponding stator stopper slot 111 of described stator core 11, second spacing block set 812 in narrow all flange portions 81 of wave spring washer 80 is positioned at the rear end cap stopper slot 32 of described rear end cap 30, before described, rear end cap 20, 30 can be fixed up with bolt, wave spring washer 80 is so just made to serve the effect of axial pretightening and circumference location.Convenient during assembling, can not frock clamp be used, artificial directly installation.
The above embodiment only have expressed the preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention; Therefore, all equivalents of doing with the claims in the present invention scope and modification, all should belong to the covering scope of the claims in the present invention.
Claims (8)
1. a small-sized or micromachine; comprise rotor assembly (40), front end housing (20), rear end cap (30), fore bearing (50) and rear bearing (60), and be installed on the stator module (10) between described forward and backward end cap (20,30); Described rotor assembly (40) comprises rotating shaft (41) and is arranged on the rotor core (42) in this rotating shaft (41); The stator winding that stator module (10) comprises stator core (11) and is arranged on this stator core (11); The rotating shaft (41) of described rotor assembly (40) is arranged on described forward and backward end cap (20,30) rotationally by described forward and backward bearing (50,60), and this rotating shaft (41) front end is stretched out from the central through hole of described front end housing (20); It is characterized in that:
Also comprise location, damping and prevent the wave spring washer (80) of stator core (11) loose shift of stator module (10), this wave spring washer (80) comprises a circle undulate and rises and falls and irregular narrow all flange portions (81), and the central through hole (82) that this narrow all flange portion (81) surrounds; Described wave spring washer (80) is arranged between described rear end cap (30) and stator core (11), narrow all flange portions (81) of wherein said wave spring washer (80) are compressed between the end face (31) of described rear end cap (30) and the end face (118) of stator core (11), and the inner peripheral surface (83) of described wave spring washer (80) can not interfere with the stator winding of stator module (10).
2. small-sized or micromachine according to claim 1, is characterized in that:
The one side of narrow all flange portions (81) of described wave spring washer (80) is outwards provided with multiple first spacing block set (811), accordingly, described stator core (11) outer surface is provided with that adapt with described first spacing block set (811), that quantity is equal stator stopper slot (111); After small-sized or micromachine assembles, each first spacing block set (811) of narrow all flange portions (81) of described wave spring washer (80) is positioned at the corresponding stator stopper slot (111) of described stator core (11).
3. small-sized or micromachine according to claim 2, is characterized in that:
Described first spacing block set (811) is three, and described stator stopper slot (111) is three.
4. the small-sized or micromachine according to any one of claims 1 to 3, is characterized in that:
The another side of narrow all flange portions (81) of described wave spring washer (80) is outwards provided with second spacing block set (812), accordingly, described rear end cap (30) is provided with the rear end cap stopper slot (32) adapted with described second spacing block set (812); After small-sized or micromachine assembles, second spacing block set (812) of narrow all flange portions (81) of described wave spring washer (80) is positioned at the rear end cap stopper slot (32) of described rear end cap (30).
5. the wave spring washer on small-sized or micromachine; It is characterized in that:
Comprise a circle undulate to rise and fall and irregular narrow all flange portions (81), and the central through hole (82) that this narrow all flange portion (81) surrounds.
6. the wave spring washer on small-sized or micromachine according to claim 5, is characterized in that:
The one side of narrow all flange portions (81) of described wave spring washer (80) is outwards provided with multiple first spacing block set (811).
7. the wave spring washer on small-sized or micromachine according to claim 6, is characterized in that:
Described first spacing block set (811) is three.
8. the wave spring washer on small-sized or micromachine according to any one of claim 5 to 7, is characterized in that:
The another side of narrow all flange portions (81) of described wave spring washer (80) is outwards provided with second spacing block set (812).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657970.4A CN104702001B (en) | 2013-12-09 | 2013-12-09 | Small or miniature motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310657970.4A CN104702001B (en) | 2013-12-09 | 2013-12-09 | Small or miniature motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104702001A true CN104702001A (en) | 2015-06-10 |
| CN104702001B CN104702001B (en) | 2017-05-10 |
Family
ID=53348861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310657970.4A Active CN104702001B (en) | 2013-12-09 | 2013-12-09 | Small or miniature motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104702001B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659010A (en) * | 2017-10-30 | 2018-02-02 | 南京磁谷科技有限公司 | A kind of compressing structure of motor stator |
| CN107813210A (en) * | 2017-09-29 | 2018-03-20 | 浙江亚特电器有限公司 | A kind of polishing disk assembling and disassembling device and polishing machine |
| CN108662058A (en) * | 2018-08-01 | 2018-10-16 | 张孟迪 | A kind of large torque damping unit |
| US20180351429A1 (en) * | 2017-06-01 | 2018-12-06 | Fanuc Corporation | Electric motor provided with stator-integrated housing |
| CN114069943A (en) * | 2020-08-07 | 2022-02-18 | 纬湃汽车电子(芜湖)有限公司 | Positioning washer for an electric machine, fixing device and method for fixing an electric machine |
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| CN1033911A (en) * | 1987-11-16 | 1989-07-12 | 西屋电气公司 | Low torque nut to the stator core through bolt carries out fastening and fastening again method and apparatus |
| JP2000037069A (en) * | 1998-07-15 | 2000-02-02 | Toshiba Tec Corp | Stepping motor |
| US6388351B1 (en) * | 1999-12-30 | 2002-05-14 | General Electric Company | Bearing load washer |
| US20030042804A1 (en) * | 1999-12-30 | 2003-03-06 | Cook Michael Andrew | Three layer vibration damping washer for an electric motor |
| CN101493111A (en) * | 2008-10-22 | 2009-07-29 | 陈炳顺 | Special disk spring gasket and clutch release bearing assembly |
| CN102142730A (en) * | 2010-02-02 | 2011-08-03 | 阿斯莫株式会社 | Dynamo-electric machine |
| CN203691086U (en) * | 2013-12-09 | 2014-07-02 | 东明机电（深圳）有限公司 | Small-sized or miniature motor and elastic washer thereof |
-
2013
- 2013-12-09 CN CN201310657970.4A patent/CN104702001B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1033911A (en) * | 1987-11-16 | 1989-07-12 | 西屋电气公司 | Low torque nut to the stator core through bolt carries out fastening and fastening again method and apparatus |
| JP2000037069A (en) * | 1998-07-15 | 2000-02-02 | Toshiba Tec Corp | Stepping motor |
| US6388351B1 (en) * | 1999-12-30 | 2002-05-14 | General Electric Company | Bearing load washer |
| US20030042804A1 (en) * | 1999-12-30 | 2003-03-06 | Cook Michael Andrew | Three layer vibration damping washer for an electric motor |
| CN101493111A (en) * | 2008-10-22 | 2009-07-29 | 陈炳顺 | Special disk spring gasket and clutch release bearing assembly |
| CN102142730A (en) * | 2010-02-02 | 2011-08-03 | 阿斯莫株式会社 | Dynamo-electric machine |
| CN203691086U (en) * | 2013-12-09 | 2014-07-02 | 东明机电（深圳）有限公司 | Small-sized or miniature motor and elastic washer thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180351429A1 (en) * | 2017-06-01 | 2018-12-06 | Fanuc Corporation | Electric motor provided with stator-integrated housing |
| US10673298B2 (en) * | 2017-06-01 | 2020-06-02 | Fanuc Corporation | Electric motor provided with stator-integrated housing |
| CN107813210A (en) * | 2017-09-29 | 2018-03-20 | 浙江亚特电器有限公司 | A kind of polishing disk assembling and disassembling device and polishing machine |
| CN107813210B (en) * | 2017-09-29 | 2023-11-14 | 浙江亚特电器股份有限公司 | Polishing disk mounting and dismounting device and polishing machine |
| CN107659010A (en) * | 2017-10-30 | 2018-02-02 | 南京磁谷科技有限公司 | A kind of compressing structure of motor stator |
| CN108662058A (en) * | 2018-08-01 | 2018-10-16 | 张孟迪 | A kind of large torque damping unit |
| CN114069943A (en) * | 2020-08-07 | 2022-02-18 | 纬湃汽车电子(芜湖)有限公司 | Positioning washer for an electric machine, fixing device and method for fixing an electric machine |
| CN114069943B (en) * | 2020-08-07 | 2024-03-22 | 纬湃汽车电子(芜湖)有限公司 | Positioning washer for an electric machine, fixing device and method for fixing an electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104702001B (en) | 2017-05-10 |
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Address after: 518104 Guangdong city of Shenzhen province Baoan District manhole Street manhole West Maan Shan Industrial Park, Tai Tong Industrial Zone No. 1, No. 2, No. 3 Applicant after: SHENZHEN DONGMING MOTOR ELECTRIC CO.,LTD. Address before: 518104 Dongsheng Industrial Zone, Dili Road, Western Industrial Zone, Manholes, Shenzhen, Guangdong, Baoan District Applicant before: DONGMING MECHANICAL AND ELECTRICAL (SHENZHEN) Co.,Ltd. |
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