CN110957884A - Motor suitable for electric toothbrush and implementation method thereof - Google Patents
Motor suitable for electric toothbrush and implementation method thereof Download PDFInfo
- Publication number
- CN110957884A CN110957884A CN201911344534.5A CN201911344534A CN110957884A CN 110957884 A CN110957884 A CN 110957884A CN 201911344534 A CN201911344534 A CN 201911344534A CN 110957884 A CN110957884 A CN 110957884A
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- rotor
- magnetic
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- magnetic steel
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 74
- 239000010959 steel Substances 0.000 claims abstract description 74
- 230000005684 electric field Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000000306 component Substances 0.000 description 22
- 239000003292 glue Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/16—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with polarised armatures moving in alternate directions by reversal or energisation of a single coil system
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushes (AREA)
Abstract
The invention discloses a motor suitable for an electric toothbrush, which comprises a machine shell, wherein the inner wall of the machine shell is connected with a stator component, a rotor component is arranged in the stator component, the stator component comprises a stator and a coil, the coil is fixed on two sides in the stator, the rotor component comprises a rotor, second magnetic steel and a magnetic steel component, the rotor is sleeved outside a rotating shaft, and the outer side of the rotor is connected with two magnetic steel components which are symmetrical to each other; the invention also discloses a realization method of the motor suitable for the electric toothbrush. The first magnetic steel is connected between the two second magnetic steels, and the magnetic field generated by the magnetic steels is fully utilized through the array arrangement of the three pieces of magnetic steels, so that the magnetic bearing has the characteristics of simple structure and high energy utilization rate; the invention has balanced magnetic circuit, and can make the rotating shaft in the center of the motor bear smaller stress, thereby prolonging the service life of the rotor component and achieving the purpose of prolonging the service life of the motor.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to a motor suitable for an electric toothbrush and an implementation method thereof.
Background
With the development of science and technology, the living standard of people is gradually improved, more and more automatic devices are integrated into the life of people, and the electric toothbrush is generally accepted by people due to better cleaning strength.
The essence of the electric toothbrush drive is its core component, the motor, and the core content of the motor is its internal magnetic structure. The motor among the current electric toothbrush generally needs the torsion bar of installation spring or similar torsional spring, and this type of structure damages easily in the use, is difficult for restoreing, has better magnetic structure when the motor is inside, and it must possess better electromagnetism utilization ratio to reduce the bearing of motor torsional spring, prolong product life.
In summary, how to improve the product life by selecting an effective magnetic circuit mechanism is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
The present invention is directed to a motor for an electric toothbrush to solve the problems set forth in the background art. The motor suitable for the electric toothbrush has the characteristics of simple structure and high utilization rate of a magnetic field.
Another object of the present invention is to provide a method for implementing a motor for an electric toothbrush.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a motor suitable for electric toothbrush, includes the casing, is connected with stator module on the inner wall of casing, and stator module's inside is equipped with the rotor subassembly, and stator module includes stator and coil, and wherein, the coil is fixed in the inside both sides of stator, and the rotor subassembly includes rotor, second magnet steel and magnetic steel component, and wherein, the outside cover of pivot is equipped with the rotor, and the outside of rotor is connected with the magnetic steel component of two mutual symmetries.
In the present invention, an insulating frame is connected to an inside of the stator, and the coil is connected to an inside of the insulating frame.
Further, the insulating framework comprises a first insulating framework and a second insulating framework, wherein the first insulating framework is positioned above the second insulating framework, and the coil is connected inside the first insulating framework and the second insulating framework.
Further, the magnetic steel assembly comprises two second magnetic steels and a first magnetic steel, wherein the first magnetic steel is connected between the two second magnetic steels.
Further, the outer wall of the magnetic steel component is of a circular arc structure.
Further, the outer wall of the rotor is provided with a table top used for connecting the magnetic steel component.
Further in the present invention, the method for implementing the motor for an electric toothbrush comprises the following steps:
the first insulation framework and the second insulation framework are connected inside the stator, and the stator is connected inside the shell to form a stator assembly;
the rotor is connected to the outer part of the rotating shaft, and the two sides of the outer part of the rotor are connected with magnetic steel assemblies which are symmetrical to each other to form a rotor assembly;
thirdly, the magnetic steel components which are symmetrically arranged provide a driving magnetic field for the rotor component;
and fourthly, forming an electric field when the coil is electrified, and driving the rotor component to swing left and right in a reciprocating mode under the mutual action of the electric field and the magnetic field.
Further, in the implementation method of the motor suitable for the electric toothbrush, an insulating framework is connected inside the stator, the coil is connected inside the insulating framework, the insulating framework comprises a first insulating framework and a second insulating framework, the first insulating framework is located above the second insulating framework, the coil is connected inside the first insulating framework and the second insulating framework, the magnetic steel assembly comprises two second magnetic steels and a first magnetic steel, the first magnetic steel is connected between the two second magnetic steels, the outer wall of the magnetic steel assembly is of an arc-shaped structure, and a table top used for connecting the magnetic steel assembly is arranged on the outer wall of the rotor.
Compared with the prior art, the invention has the beneficial effects that:
1. the first magnetic steel is connected between the two second magnetic steels, and the magnetic field generated by the magnetic steels is fully utilized through the array arrangement of the three pieces of magnetic steels, so that the magnetic field generator has the characteristics of simple structure and high utilization rate of the magnetic field;
2. the magnetic fields formed by the mutually symmetrical magnetic steel components are bilaterally symmetrical, and the rotor component can perform full-symmetrical bilateral reciprocating swing under the condition that the coil receives an alternating current driving signal, so that a spring or a torsion bar similar to a torsion spring is not required to be installed, and the service life of the motor is prolonged;
3. the invention can also control the amplitude of oscillation of the rotor component by changing the number of turns of the coil, thereby controlling the vibration strength of the structure;
4. the invention has balanced magnetic circuit, and can make the rotating shaft in the center of the motor bear smaller stress, thereby prolonging the service life of the rotor component and achieving the purpose of prolonging the service life of the motor.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of an electromagnetic drive of the present invention;
in the figure: 1. a housing; 2. a stator; 3. a rotor; 4. a first insulating skeleton; 5. a second insulating skeleton; 6. a first magnetic steel; 7. a second magnetic steel; 8. a coil; 9. a rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a motor suitable for electric toothbrush, including casing 1, be connected with stator module on casing 1's the inner wall, stator module's inside is equipped with the rotor subassembly, stator module includes stator 2 and coil 8, wherein, coil 8 is fixed in the inside both sides of stator 2, the rotor subassembly includes rotor 3, second magnet steel 7 and magnetic steel assembly, wherein, the outside cover of pivot 9 is equipped with rotor 3, the outside of rotor 3 is connected with the magnetic steel assembly of two mutual symmetries, magnetic steel assembly's outer wall is convex structure.
Further, the magnetic steel component comprises two second magnetic steels 7 and a first magnetic steel 6, wherein the first magnetic steel 6 is connected between the two second magnetic steels 7.
Through adopting above-mentioned technical scheme, the both sides of first magnet steel 6 are respectively through glue bonding have two second magnet steels 7, constitute magnetic steel assembly, provide driving magnetic field for the rotor subassembly
Further, a table top used for connecting the magnetic steel component is arranged on the outer wall of the rotor 3.
Through adopting above-mentioned technical scheme, magnetic steel component passes through glue with rotor 3 and bonds, and the mesa of setting is convenient for magnetic steel component's installation.
Example 2
The present embodiment is different from embodiment 1 in that: further, an insulating frame is connected to the inside of the stator 2, and the coil 8 is connected to the inside of the insulating frame.
Further, insulating skeleton includes first insulating skeleton 4 and second insulating skeleton 5, and wherein, first insulating skeleton 4 is located the top of second insulating skeleton 5, and coil 8 is connected in the inside of first insulating skeleton 4 and second insulating skeleton 5.
By adopting the technical scheme, the winding and the installation of the coil 8 are facilitated.
Further, the method for implementing the motor suitable for the electric toothbrush comprises the following steps:
the first insulation framework 4 and the second insulation framework 5 are respectively bonded in the stator 2 through glue, and the stator 2 is bonded in the shell 1 through the glue to form a stator assembly;
the rotor 3 is bonded outside the rotating shaft 9 through glue, and the two sides of the outside of the rotor 3 are bonded with the magnetic steel assemblies which are symmetrical to each other through the glue to form a rotor assembly;
thirdly, the magnetic steel components which are symmetrically arranged provide a driving magnetic field for the rotor component;
and fourthly, when the coil 8 is electrified, an electric field is formed, and the electric field and the magnetic field interact to drive the rotor component to swing left and right in a reciprocating manner.
In summary, the first magnetic steel 6 is connected between the two second magnetic steels 7, and the magnetic field generated by the magnetic steels is fully utilized through the array arrangement of the three pieces of magnetic steels, so that the magnetic bearing has the characteristics of simple structure and high energy utilization rate; the invention can make the rotating shaft in the center of the motor bear smaller stress, and the magnetic circuit is more balanced, thereby prolonging the service life of the rotor component and achieving the purpose of prolonging the service life of the motor; the magnetic fields formed by the mutually symmetrical magnetic steel components are bilaterally symmetrical, and the rotor component can perform full-symmetrical bilateral reciprocating swing under the condition that the coil receives an alternating current driving signal, so that a spring or a torsion bar similar to a torsion spring is not required to be installed, and the service life of the motor is prolonged; the invention can also control the amplitude of oscillation of the rotor component by changing the number of turns of the coil, thereby controlling the vibration strength of the structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An electric machine suitable for electric toothbrushes, comprising a casing (1), characterized in that: be connected with stator module on the inner wall of casing (1), stator module's inside is equipped with the rotor subassembly, stator module includes stator (2) and coil (8), wherein, the inside both sides in stator (2) are fixed in coil (8), and the rotor subassembly includes rotor (3), second magnet steel (7) and magnetic steel assembly, and wherein, the outside cover of pivot (9) is equipped with rotor (3), and the outside of rotor (3) is connected with the magnetic steel assembly of two mutual symmetries.
2. A motor adapted for use in an electric toothbrush according to claim 1, wherein: the inside of stator (2) is connected with insulating skeleton, and coil (8) are connected in insulating skeleton's inside.
3. A motor adapted for use in an electric toothbrush according to claim 2, wherein: the insulating skeleton includes first insulating skeleton (4) and second insulating skeleton (5), and wherein, first insulating skeleton (4) are located the top of second insulating skeleton (5), and the inside at first insulating skeleton (4) and second insulating skeleton (5) is connected in coil (8).
4. A motor adapted for use in an electric toothbrush according to claim 3, wherein: the magnetic steel component comprises two second magnetic steels (7) and a first magnetic steel (6), wherein the first magnetic steel (6) is connected between the two second magnetic steels (7).
5. A motor for use in an electric toothbrush according to claim 4, wherein: the outer wall of the magnetic steel component is of a circular arc structure.
6. A motor adapted for use in an electric toothbrush according to claim 5, wherein: the outer wall of the rotor (3) is provided with a table top used for connecting the magnetic steel component.
7. The method of implementing a motor for an electric toothbrush according to any of claims 1 to 6, comprising the steps of:
the stator assembly is characterized in that a coil (8) is connected to the inside of a first insulating framework (4) and the inside of a second insulating framework (5), the first insulating framework (4) and the second insulating framework (5) are connected to the inside of a stator (2), and the stator (2) is connected to the inside of a shell (1) to form the stator assembly;
the rotor (3) is connected to the outer part of the rotating shaft (9), and the two sides of the outer part of the rotor (3) are connected with magnetic steel assemblies which are symmetrical to each other to form a rotor assembly;
thirdly, the magnetic steel components which are symmetrically arranged provide a driving magnetic field for the rotor component;
and fourthly, when the coil (8) is electrified, an electric field is formed, and the electric field and the magnetic field interact to drive the rotor assembly to swing left and right in a reciprocating manner.
8. The method of claim 7, wherein the motor is adapted for use in an electric toothbrush, and further comprising: the internally connected of stator (2) has insulating skeleton, the inside at insulating skeleton is connected in coil (8), insulating skeleton includes first insulating skeleton (4) and second insulating skeleton (5), wherein, first insulating skeleton (4) are located the top of second insulating skeleton (5), the inside at first insulating skeleton (4) and second insulating skeleton (5) is connected in coil (8), magnetic steel component includes two second magnet steel (7) and first magnet steel (6), wherein, be connected with first magnet steel (6) between two second magnet steel (7), magnetic steel component's outer wall is convex structure, the mesa that is used for connecting magnetic steel component is offered on the outer wall of rotor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344534.5A CN110957884A (en) | 2019-12-24 | 2019-12-24 | Motor suitable for electric toothbrush and implementation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911344534.5A CN110957884A (en) | 2019-12-24 | 2019-12-24 | Motor suitable for electric toothbrush and implementation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110957884A true CN110957884A (en) | 2020-04-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911344534.5A Pending CN110957884A (en) | 2019-12-24 | 2019-12-24 | Motor suitable for electric toothbrush and implementation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110957884A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270991A (en) * | 2021-06-29 | 2021-08-17 | 浙江省东阳市东磁诚基电子有限公司 | Large-displacement linear motor and implementation method thereof |
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| WO1981000331A1 (en) * | 1979-07-11 | 1981-02-05 | Lpa Les Produits Associes | Small a.c.motor with permanent magnet rotor having a reciprocating motion |
| US5753985A (en) * | 1997-01-06 | 1998-05-19 | Redlich; Robert W. | Electric motor with oscillating rotary output and controlled amplitude |
| CN1575537A (en) * | 2001-09-06 | 2005-02-02 | 理查德·约翰斯通·斯特拉恩 | A single phase synchronous AC motor |
| US20050120720A1 (en) * | 2003-12-04 | 2005-06-09 | Chih-Hsing Fang | Reciprocating and rotary magnetic refrigeration apparatus |
| GB2448191A (en) * | 2007-04-05 | 2008-10-08 | Imra Europe Sas | A linear actuator using a Halbach array of magnets |
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| CN207442548U (en) * | 2017-11-09 | 2018-06-01 | 高峰 | A kind of supersonic motor of low-power consumption |
| CN108390535A (en) * | 2018-05-11 | 2018-08-10 | 余姚市科达微电机制造有限公司 | A kind of restricted corner acoustic vibration motor of magnetic resistance positioning |
| CN208723758U (en) * | 2018-08-14 | 2019-04-09 | 深圳市雅杰乐科技有限公司 | High-frequency vibration device and the electric toothbrush for using the device |
| CN209608526U (en) * | 2019-03-21 | 2019-11-08 | 深圳市振桦电机有限公司 | Magnetic levitation component and electric toothbrush |
-
2019
- 2019-12-24 CN CN201911344534.5A patent/CN110957884A/en active Pending
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|---|---|---|---|---|
| WO1981000331A1 (en) * | 1979-07-11 | 1981-02-05 | Lpa Les Produits Associes | Small a.c.motor with permanent magnet rotor having a reciprocating motion |
| US5753985A (en) * | 1997-01-06 | 1998-05-19 | Redlich; Robert W. | Electric motor with oscillating rotary output and controlled amplitude |
| CN1575537A (en) * | 2001-09-06 | 2005-02-02 | 理查德·约翰斯通·斯特拉恩 | A single phase synchronous AC motor |
| US20050120720A1 (en) * | 2003-12-04 | 2005-06-09 | Chih-Hsing Fang | Reciprocating and rotary magnetic refrigeration apparatus |
| GB2448191A (en) * | 2007-04-05 | 2008-10-08 | Imra Europe Sas | A linear actuator using a Halbach array of magnets |
| CN101594040A (en) * | 2009-06-30 | 2009-12-02 | 上海磁浮交通发展有限公司 | Use the hybrid excitation linear synchronous motor of Halbach permanent magnet |
| CN101958583A (en) * | 2009-07-17 | 2011-01-26 | 株式会社安川电机 | Periodic magnetic field generation device and use its linear motor, rotary-type motor |
| CN202759306U (en) * | 2012-09-03 | 2013-02-27 | 蔡镇州 | Permanent magnet rotation motor |
| CN104022615A (en) * | 2014-06-18 | 2014-09-03 | 合肥工业大学 | Permanent magnet direct current linear flexible driver |
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| CN106685135A (en) * | 2017-03-20 | 2017-05-17 | 金龙机电（东莞）有限公司 | Electric toothbrush and motor device thereof |
| CN207442674U (en) * | 2017-09-17 | 2018-06-01 | 朱忠磊 | Small-sized high-frequency vibration device |
| CN207442548U (en) * | 2017-11-09 | 2018-06-01 | 高峰 | A kind of supersonic motor of low-power consumption |
| CN108390535A (en) * | 2018-05-11 | 2018-08-10 | 余姚市科达微电机制造有限公司 | A kind of restricted corner acoustic vibration motor of magnetic resistance positioning |
| CN208723758U (en) * | 2018-08-14 | 2019-04-09 | 深圳市雅杰乐科技有限公司 | High-frequency vibration device and the electric toothbrush for using the device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270991A (en) * | 2021-06-29 | 2021-08-17 | 浙江省东阳市东磁诚基电子有限公司 | Large-displacement linear motor and implementation method thereof |
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Application publication date: 20200403 |
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