CN103762817B - Reciprocal dither motor - Google Patents
Reciprocal dither motor Download PDFInfo
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- CN103762817B CN103762817B CN201310685800.7A CN201310685800A CN103762817B CN 103762817 B CN103762817 B CN 103762817B CN 201310685800 A CN201310685800 A CN 201310685800A CN 103762817 B CN103762817 B CN 103762817B
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- base plate
- magnet
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- coil
- elastomer
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses reciprocal dither motor, including base plate and support, described support includes rotating shaft, described support is rotatably connected on described base plate by bearing, it is provided with on the bracket and the magnet in magnetic field is provided, described base plate is fixedly installed driving described magnet reciprocating driving assembly, also include that one can rotate and the elastomer of torsional deformation with rack shaft, magnet moves back and forth drive support thus encourages elastomer, when both frequencies reach or close to time consistent, produce resonance, thus realize support moving back and forth along axis high frequency in certain swing range.Therefore the present invention relatively conventional vibration motor structure, simple in construction, reliability is high, and low cost of manufacture, noise is little, dynamics is strong, and service life is longer.
Description
Technical field
The present invention relates to the electric machine structure used in personal care product, particularly relate to a kind of motor used in personal health care product.
Background technology
Along with the development of society, people increasingly pay attention to the quality of life, and therefore, personal health care product, the utilization such as Related products such as electric toothbrush, electronic face cleaning instrument, electric shavers is more and more universal.All be unableing to do without drive disk assembly motor in above-mentioned product, current drive mechanism is mainly that electric rotating machine is connected with drive shaft, the electric rotating machine etc. of band eccentric is connected with driving equipment, it is thus achieved that revolving force, it is achieved required function.
But said structure exists volume is big, the decay of gearing friction, dynamics, cause the life-span short, the defects such as noise is big, intensity is weak, and reliability is low.
Therefore, the problem existed for above-mentioned prior art, it is necessary to need to make improvements, to provide simple in construction, reliability is high, low cost of manufacture, the new structure motor that noise is little, dynamics is strong.
Summary of the invention
For the deficiencies in the prior art, the invention provides reciprocal high-frequency electric machines.
The present invention is achieved through the following technical solutions: reciprocal dither motor, including base plate and support, described support includes rotating shaft, described support is rotatably connected on described base plate by bearing, it is provided with on the bracket and the magnet in magnetic field is provided, described base plate is fixedly installed driving described magnet reciprocating driving assembly, also include that one can rotate and the elastomer of torsional deformation with rack shaft, magnet moves back and forth drive support thus encourages elastomer, when both frequencies reach or close to time consistent, produce resonance, thus realize support moving back and forth along axis high frequency in certain swing range.
In technique scheme, described driving assembly includes coil rack, coil and ferrum core, described coil is around being located on described coil rack, and described coil rack is arranged on described iron core both sides and makes described magnet between two coil racks, described iron core is fixed on described base plate, by control circuit board to coil power supply, iron core is made to produce magnetic field, wiring board is connected to two of lead-out wires of coil, the positive-negative polarity being energized by conversion, so that there is the conversion of S Yu N polarity in the magnetic field that iron core produces, and with magnet steel produce magnetic field phase separation, produce the electromagnetic force of left and right alternation.
In technique scheme, described elastomer is reed, and described reed one end connects support, and the described reed other end is fixed on described base plate.
In technique scheme, described magnet includes magnetic conductive board and magnet steel, and described magnet steel is fixing on the bracket by magnetic conductive board.
In technique scheme, described magnet steel is Nd-Fe-B magnet steel.
In technique scheme, described rotating shaft being provided with the first draw-in groove, be fixedly installed fixed block on described base plate, arrange the second draw-in groove on described fixed block, described elastomer one end is fastened on described first draw-in groove, and the other end is arranged in described second draw-in groove.
In technique scheme, described elastomer is torsion spring.
In technique scheme, described magnet has the eccentric throw of 3mm ~ 4mm relatively with described rotating shaft center of rotation, it is achieved bigger moment output.
There is advantages that the present invention relatively conventional vibration motor structure, simple in construction, reliability is high, and low cost of manufacture, noise is little, dynamics is strong, and service life is longer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the decomposing schematic representation of the present invention.
Detailed description of the invention
Below the present invention is described in further detail, see Fig. 1 to Fig. 2, embodiment 1: reciprocal dither motor, including base plate 11 and support 3, described support 3 includes rotating shaft 30, arranges bearing block 12 on described base plate 11, in described bearing block 12, bearing 1 is set, and bearing 1 is fixed in described bearing block 12 by gland 2, and described inner ring is fixed in the rotating shaft 30 of described support 3, is i.e. rotationally connected with on described base plate 11 by bearing by support.
Described support 3 is provided with the magnet 60 providing magnetic field, concrete described magnet 60 includes that magnetic conductive board 6 and magnet steel 7(typically use Nd-Fe-B magnet steel), described magnet steel 7 is fixed on described magnetic conductive board 6 by glue, and described magnetic conductive board 6 is fixed by screws on described support 3.
Described base plate 11 is fixedly installed driving described magnet 60 reciprocating driving assembly 80, described driving assembly 80 includes coil rack 8, coil 9 and iron core 10, described coil 9 is around being located on described coil rack 8, and described coil rack 8 is arranged on described iron core 10 both sides and makes described magnet 60 between two coil racks 8, described iron core 10 is fixed in the groove of described base plate 11, by control circuit board to coil power supply, iron core is made to produce magnetic field, wiring board is connected to two of lead-out wires of coil, the positive-negative polarity being energized by conversion, so that there is the conversion of S Yu N polarity in the magnetic field that iron core produces, and with magnet steel produce magnetic field phase separation, produce the electromagnetic force of left and right alternation, so that support 3 swings the most at a certain angle along its center of rotation.
Also include one can rotate with rack shaft 30 and the elastomer 4 of torsional deformation, described elastomer 4 is reed, the first draw-in groove 31 it is provided with in described rotating shaft 30, described base plate 11 is fixedly installed fixed block 5, described fixed block 5 arranges the second draw-in groove 50, described reed 4 one end is fastened on described first draw-in groove 31, and the other end is arranged in described second draw-in groove 50.Described support 3 along center of rotation swing the most at a certain angle time, drive torsion springs, when both frequencies reach or close to time consistent, produce resonance, realize rack shaft to vibrate with special angle high-frequency reciprocating back and forth along its center of rotation, it is preferred that this special angle is between 3 ° to 15 °.There is the reed of different natural frequencies by changing to use and change the frequency that coil electromagnetism drives, can reach reed and can reach with the frequency that coil exports or close to consistent.
Described magnet 60 has the eccentric throw of 3mm ~ 4mm relatively with described rotating shaft 30 center of rotation, it is achieved bigger moment output.
Embodiment 2: described elastomer 4 is torsion spring, when described support 3 swings the most at a certain angle along its center of rotation, drive torsion spring torsional deformation, when coil output electromagnetic force frequency reaches or close to time consistent with torsion spring natural frequency, produce resonance, realize rack shaft to vibrate with special angle high-frequency reciprocating back and forth along its center of rotation, it is preferred that this special angle is between 3 ° to 15 °.There is the torsion spring of different natural frequencies by changing to use and change the frequency that coil electromagnetism drives, can reach torsion spring and can reach with the frequency that coil exports or close to consistent.Embodiment 2 remaining with embodiment 1.
The foregoing is only and invent preferably embodiment; not in order to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement made etc. (such as: to magnet in the present invention, drive magnet to drive the equivalent of assembly, elastomer etc.) should be included within the scope of the present invention.
Claims (5)
1. reciprocal dither motor, it is characterised in that: including base plate (11) and support (3), described support (3) includes rotating shaft
(30), described support (3) is rotatably connected on described base plate (11) by bearing (1), sets on described support (3)
It is equipped with the magnet (60) that magnetic field is provided, described base plate (11) is fixedly installed the described magnet of driving (60) reciprocating
Drive assembly (80), also include that one can rotate and the elastomer of torsional deformation (4), described elastomer with rack shaft (30)
(4) being reed, described reed is flap part, and its both ends are enlarged head, and described reed one end connects support (3), institute
State the reed other end to be fixed on described base plate (11), described rotating shaft (30) is provided with the first draw-in groove (31), described
It is fixedly installed fixed block (5) on base plate (11), described fixed block (5) arranges the second draw-in groove (50), described elastomer
(4) one end is fastened on described first draw-in groove (31), and the other end is arranged in described second draw-in groove (50).
2. reciprocal dither motor as claimed in claim 1, it is characterised in that: described driving assembly (80) includes coil bone
Frame (8), coil (9) and iron core (10), described coil (9) is around being located on described coil rack (8), and described line
Ring framework (8) is arranged on described iron core (10) both sides and described magnet (60) is positioned between two coil racks (8), institute
State iron core (10) to be fixed on described base plate (11).
3. reciprocal dither motor as claimed in claim 1 or 2, it is characterised in that: described magnet (60) includes magnetic conductive board
(6) and magnet steel (7), described magnet steel (7) is fixed on described support (3) by magnetic conductive board (6).
4. reciprocal dither motor as claimed in claim 3, it is characterised in that: described magnet steel (7) is Nd-Fe-B magnet steel.
5. dither motor as claimed in claim 1 reciprocal, it is characterised in that: described magnet (60) relatively with described rotating shaft
(30) center of rotation has the eccentric throw of 3mm～4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685800.7A CN103762817B (en) | 2013-12-16 | 2013-12-16 | Reciprocal dither motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310685800.7A CN103762817B (en) | 2013-12-16 | 2013-12-16 | Reciprocal dither motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103762817A CN103762817A (en) | 2014-04-30 |
| CN103762817B true CN103762817B (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310685800.7A Active CN103762817B (en) | 2013-12-16 | 2013-12-16 | Reciprocal dither motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN103762817B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104143890B (en) * | 2014-08-22 | 2016-08-17 | 宁波赛嘉电器有限公司 | A kind of dither motor |
| CN104578668B (en) * | 2015-02-03 | 2018-05-15 | 朱忠磊 | Small-sized high-frequency vibration device |
| JP6517649B2 (en) * | 2015-09-28 | 2019-05-22 | 日本電産コパル株式会社 | Linear vibration motor |
| CN106602833A (en) * | 2016-08-26 | 2017-04-26 | 雷细菊 | High-frequency vibration motor of electric toothbrush |
| EP3718504B1 (en) | 2019-04-05 | 2022-01-26 | Trisa Holding AG | Electrical brush handpiece and electric toothbrush using the electric brush handpiece and attachable head |
| CN214679079U (en) * | 2020-05-22 | 2021-11-12 | 深圳市力博得科技有限公司 | Simple driving mechanism, electric toothbrush handle and electric toothbrush |
| CN112018988B (en) * | 2020-09-19 | 2021-09-10 | 江海琦 | Vibration motor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0098002A2 (en) * | 1982-06-30 | 1984-01-11 | Koninklijke Philips Electronics N.V. | Magnetically suspended linear motor |
| CN102111032A (en) * | 2010-04-26 | 2011-06-29 | 王凤梅 | High-frequency vibration motor for electric toothbrush |
| CN201966781U (en) * | 2011-03-30 | 2011-09-07 | 深圳瑞圣特电子科技有限公司 | High-frequency electric toothbrush motor |
| CN203674949U (en) * | 2013-12-16 | 2014-06-25 | 宁波赛嘉电机有限公司 | Reciprocating high frequency vibration motor |
-
2013
- 2013-12-16 CN CN201310685800.7A patent/CN103762817B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0098002A2 (en) * | 1982-06-30 | 1984-01-11 | Koninklijke Philips Electronics N.V. | Magnetically suspended linear motor |
| CN102111032A (en) * | 2010-04-26 | 2011-06-29 | 王凤梅 | High-frequency vibration motor for electric toothbrush |
| CN201966781U (en) * | 2011-03-30 | 2011-09-07 | 深圳瑞圣特电子科技有限公司 | High-frequency electric toothbrush motor |
| CN203674949U (en) * | 2013-12-16 | 2014-06-25 | 宁波赛嘉电机有限公司 | Reciprocating high frequency vibration motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103762817A (en) | 2014-04-30 |
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Effective date of registration: 20191126 Address after: 315300 No. 118 Dongfa Road, Cixi Binhai Economic Development Zone, Ningbo City, Zhejiang Province Patentee after: Cixi Saijia Electronics Co., Ltd. Address before: Jiangbei District 315033 Zhejiang city of Ningbo province Jiang Hu Lu No. 239 Patentee before: NINGBO SAIJIA MOTOR CO., LTD. |
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