CN209730971U - Magnetcisuspension suspension motor - Google Patents
Magnetcisuspension suspension motor Download PDFInfo
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- CN209730971U CN209730971U CN201920796542.2U CN201920796542U CN209730971U CN 209730971 U CN209730971 U CN 209730971U CN 201920796542 U CN201920796542 U CN 201920796542U CN 209730971 U CN209730971 U CN 209730971U
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- magnetic pole
- fixing piece
- shaft
- metalwork
- pole core
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Abstract
The utility model belongs to motor technologies field more particularly to a kind of magnetcisuspension suspension motor, including stator assembly and rotor assembly；The stator module includes two the first metalworks being symmetrically set and the second metalwork for being arranged with coil that is connected between two first metalworks, it is equipped at least a pair of of magnetic pole core in the opposing sidewalls of two first metalworks, forms rotation space between the opposite magnetic pole core；Rotor assembly include shaft, fixing piece and with magnet corresponding with the magnetic pole core；The shaft passes through the rotation space, and the fixing piece is connected in the shaft and is located in the rotation space, and the magnet is connected to the lateral wall of the fixing piece and forms gap between the magnetic pole core；Instead of positioning in the prior art by the way that flexible connector is arranged to shaft, generation interaction force between magnet and magnetic pole core is fixed to fixing piece by the magnetic force property of magnet, so that shaft is fixed, stability is more preferable.
Description
Technical field
The utility model belongs to motor technologies field more particularly to a kind of magnetcisuspension suspension motor.
Background technique
In recent years, electric toothbrush is increasingly popular, and the core component of electric toothbrush is the motor being arranged in electric toothbrush, leads to
It crosses and powers to motor, drive the brush head of toothbrush to rotate or shake and decompose toothpaste and friction cleaning is carried out to tooth, but existing
Have in technology, after the flexible connector long-time use in motor for connecting rotor, bullet can be led to because generating fatigue of materials
Property connector be easy failure, and then will lead to motor and lose oscillating function.
Utility model content
The purpose of this utility model is to provide a kind of magnetcisuspension suspension motors, it is intended to solve the elasticity of motor in the prior art even
The technical issues of fitting leads to its failure because of long-time use.To achieve the above object, provided by the embodiment of the utility model
A kind of magnetcisuspension suspension motor, wherein include:
Fixation kit, including spaced front housing and rear shell；
Stator module is set between the front housing and the rear shell, and the stator module includes two and is symmetrically set
The first metalwork and the second metalwork for being arranged with coil that is connected between two first metalworks, two described
It is equipped at least one opposite magnetic pole core in the opposing sidewalls of one metalwork, is formed and is turned between two opposite magnetic pole cores
Dynamic space；
Rotor assembly including shaft, fixing piece and several are respectively used to and respectively state the magnetic attracting magnet of magnetic pole core；It is described
The both ends of shaft are connected to the front housing and the rear shell and pass through the rotation space, and the fixing piece is connected to described
In shaft and it is located in the rotation space, the magnet is connected to the lateral wall of the fixing piece and between the magnetic pole core
Form gap.
Optionally, it is all provided in the opposing sidewalls of two first metalworks there are two the magnetic pole core opposite respectively,
Two pairs of magnetic pole cores are arranged around the axis interval of the shaft, and there are four magnet settings, four magnets respectively with
The fixing piece connection.
Optionally, the both ends of second metalwork are connect with first metalwork that two sides are arranged in respectively, described
The other both ends of second metalwork are provided with insulator, and the insulator is connect with the coil.
Optionally, the fixing piece is equipped with mounting groove, and the magnet is set in the mounting groove and the top of the magnet
Face is concordant with the lateral wall of the fixing piece.
Optionally, the fixation kit further includes locating rod；The locating rod is connect with first metalwork, and described
The both ends of locating rod are connect with the front housing and the rear shell respectively.
Optionally, be connected with bearing in the shaft, the shaft by the bearing be connected to the front housing and
The rear shell.
Optionally, the magnetic pole core, first metalwork and second metalwork are integrally formed.
Optionally, the magnetic pole core, first metalwork and second metalwork are made of silicon steel material.
Optionally, it the front housing and is all provided between the fixing piece and between the rear shell and the fixing piece useful
In the casing of positioning, described sleeve pipe is connected in the shaft.
Optionally, described sleeve pipe is made of elastic material.
Said one or multiple technical solutions in magnetcisuspension suspension motor provided by the embodiment of the utility model at least have such as
One of lower technical effect: coil connects alternating current, so that the first metalwork and the second metalwork generate induced current, so that magnetic pole
Core forms magnetic pole and simultaneously generates electromagnetic force, magnetic pole core generated with the magnet being connected on fixing piece interact so that shaft generate with
The identical positive and negative rotation of ac frequency；When coil no power, interaction force is generated by magnetic force between magnet and magnetic pole core
The fixing piece is positioned, instead of being positioned in the prior art by the way that flexible connector is arranged to shaft, this is practical new
Type embodiment avoids the case where generating fatigue after flexible connector long-time service due to flexible connector is caused to fail, and passes through institute
Generation interaction force between the magnet and the magnetic pole core is fixed to the fixing piece in the magnetic force property for stating magnet,
So that the shaft is fixed, stability is more preferable, long service life and reliable.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing 1~3 needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this reality
It without any creative labor, is gone back for those of ordinary skill in the art with novel some embodiments
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of magnetcisuspension suspension motor provided by the embodiment of the utility model.
Fig. 2 is the cross-sectional view of magnetcisuspension suspension motor provided by the embodiment of the utility model.
Fig. 3 is the perspective view of the explosion of magnetcisuspension suspension motor provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
10-fixation kit 11-front housing, 12-rear shells
20-stator module the 22-the second metalworks of the 21-the first metalwork
23-coil 24-magnetic pole core, 25-rotation spaces
30-rotor assembly 31-shaft, 32-fixing pieces
33-magnet 34-mounting groove, 35-locating rods
36-bearing 37-casing, 40-insulators.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the embodiments of the present invention, and should not be understood as to this
The limitation of utility model.
In the description of the utility model embodiment, it is to be understood that term " length ", " width ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the utility model embodiment and simplifies description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the utility model embodiment, the meaning of " plurality " is two
Or it is more than two, unless otherwise specifically defined.
In the utility model embodiment unless specifically defined or limited otherwise, term " installation ", " connects " connected "
Connect ", the terms such as " fixation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；
It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements.For the ordinary skill in the art, may be used
To understand concrete meaning of the above-mentioned term in the utility model embodiment as the case may be.
In one embodiment of the utility model, as shown in Figures 1 to 3, a kind of magnetcisuspension suspension motor is provided, is applied to electronic
In toothbrush, wherein including fixation kit 10, stator module 20 and rotor assembly 30.
Fixation kit 10 includes spaced front housing 11 and rear shell 12.Front housing 11 and 12 collective effect of rear shell are in support magnetic
The other component of suspension motor is installed.
Stator module 20 be set between front housing 11 and rear shell 12, stator module 20 include two be symmetrically set first
Metalwork 21 and the second metalwork 22 for being arranged with coil 23 being connected between two the first metalworks 21, two the first metals
At least one opposite magnetic pole core 24 is equipped in the opposing sidewalls of part 21, it is empty to form rotation between two opposite magnetic pole cores 24
Between 25.
Rotor assembly 30 is including shaft 31, fixing piece 32 and several are respectively used to and the magnetic attracting magnetic of each magnetic pole core 24
Body 33；The both ends of shaft 31 are connected to front housing 11 and rear shell 12 and pass through rotation space 25, and fixing piece 32 is connected to shaft
On 31 and it is located in rotation space 25, magnet 33 is connected to the lateral wall of fixing piece 32 and forms gap between magnetic pole core 24.
In the utility model embodiment, coil 23 connect alternating current (intrinsic frequency, and it is per second switching 150~220 times),
So that the first metalwork 21 and the second metalwork 22 generate induced current, so that magnetic pole core 24 forms magnetic pole and generates electromagnetic force,
Magnetic pole core 24 and the magnet 33 being connected on fixing piece 32, which generate, to interact so that the generation of shaft 31 is identical as ac frequency
Positive and negative rotation；When 23 no power of coil, interaction force is generated to fixing piece by magnetic force between magnet 33 and magnetic pole core 24
32 are positioned, instead of being positioned in the prior art by the way that flexible connector is arranged to shaft 31, the utility model embodiment
The case where generating fatigue after flexible connector long-time service due to flexible connector is caused to fail is avoided, the magnetic of magnet 33 is passed through
Generation interaction force between magnet 33 and magnetic pole core 24 is fixed to fixing piece 32 in force characteristic, so that shaft 31 is fixed,
Stability is more preferable, long service life and reliable.
In another embodiment of the utility model, as shown in Figures 1 to 3, two the first metals of the magnetcisuspension suspension motor
Be all provided in the opposing sidewalls of part 21 there are two opposite magnetic pole core 24 respectively, two pairs of magnetic pole cores 24 around the shaft 31 axis interval set
It sets, there are four the settings of magnet 33, and four magnets 33 are connect with fixing piece 32 respectively；After coil 23 is powered, the magnetic pole of magnetic pole core 24
Switching is identical as ac frequency, and magnetic pole core 24, which generates, to be occurred to generate interaction force between different electromagnetic force and magnet, with
Make 32 positive and negative rotation of fixing piece and drives 31 positive and negative rotation of shaft；When 23 no power of coil, pass through between magnet and magnetic pole core 24
Magnetic force generates interaction force and positions to fixing piece 32, so that fixed fixing piece 32.
In another embodiment of the utility model, as shown in Figures 1 to 3, the second metalwork 22 of the magnetcisuspension suspension motor
Both ends connect respectively with the first metalwork 21 that two sides are arranged in, the other both ends of the second metalwork 22 are provided with insulator
40, insulator 40 is connect with coil 23；The shape that is in U-shape is connected between first metalwork 21 and the second metalwork 22, coil 23 passes through
Insulator 40 and the second sheet metal connect so as to insulate between coil 23 and the second sheet metal, stable structure, easy to repair with peace
Dress.
In another embodiment of the utility model, as shown in Figures 1 to 3, set on the fixing piece 32 of the magnetcisuspension suspension motor
There is mounting groove 34, magnet 33 is set in mounting groove 34 and the top surface of magnet 33 is concordant with the lateral wall of fixing piece 32, magnet 33
Top surface is concordant with the lateral wall of fixing piece 32, and avoiding fixing piece 32, magnet 33 collides and leads to magnetic suspension horse during rotation
Up to failure, stability is high, while improving the space utilization rate inside magnetcisuspension suspension motor.
In another embodiment of the utility model, as shown in Figures 1 to 3, the fixation kit 10 of the magnetcisuspension suspension motor is also
Including locating rod 35；Locating rod 35 is connect with the first metalwork 21 and the both ends of locating rod 35 connect with front housing 11 and rear shell 12 respectively
It connects, it is simple and practical in structure, stablize high.
In another embodiment of the utility model, as shown in Figures 1 to 3, connected in the shaft 31 of the magnetcisuspension suspension motor
There is bearing 36, shaft 31 is connected to front housing 11 and rear shell 12 by bearing 36；Bearing 36 is added, so that the rotation of shaft 31 is more
Steadily, rotational efficienty is high, and noise is few.
In another embodiment of the utility model, as shown in Figures 1 to 3, the magnetic pole core 24, first of the magnetcisuspension suspension motor
Metalwork 21 and the second metalwork 22 are integrally formed；Magnetic pole core 24, the first metalwork 21 and the second metalwork 22 are integrally formed just
In processing, production efficiency is improved, stability is high.
In another embodiment of the utility model, as shown in Figures 1 to 3, the magnetic pole core 24, first of the magnetcisuspension suspension motor
Metalwork 21 and the second metalwork 22 are made of silicon steel material；Magnetic induction performance is improved, magnetic hystersis loss is reduced, reduces excitation electricity
Stream saves electric energy.
In another embodiment of the utility model, as shown in Figures 1 to 3, the front housing 11 of the magnetcisuspension suspension motor and with it is solid
Determine to be equipped with casing 37 used for positioning between part 32 and between rear shell 12 and fixing piece 32, casing 37 is connected to shaft 31
On；Casing 37 is set, the axial gap of the inside of magnetcisuspension suspension motor is reduced, the high frequency vibrating generated when so as to reduce rotor operation
It is dynamic, rotate more steady, reduction noise.
In another embodiment of the utility model, the casing 37 of the magnetcisuspension suspension motor is made of elastic material, the bullet
Property material rubber, styrene analog thermoplastic elastomer or polyurethane-type thermoplastic elastomer can be selected, further increase vibration damping effect
Fruit, so that rotation is more steady.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of magnetcisuspension suspension motor characterized by comprising
Fixation kit, including spaced front housing and rear shell；
Stator module is set between the front housing and the rear shell, the stator module include two be symmetrically set the
One metalwork and the second metalwork for being arranged with coil being connected between two first metalworks, two first gold medals
Belong to and be equipped at least one opposite magnetic pole core in the opposing sidewalls of part, it is empty to form rotation between two opposite magnetic pole cores
Between；
Rotor assembly including shaft, fixing piece and several are respectively used to and respectively state the magnetic attracting magnet of magnetic pole core；The shaft
Both ends be connected to the front housing and the rear shell and pass through the rotation space, the fixing piece is connected to the shaft
It goes up and is located in the rotation space, the magnet is connected to the lateral wall of the fixing piece and is formed between the magnetic pole core
Gap.
2. magnetcisuspension suspension motor according to claim 1, which is characterized in that in the opposing sidewalls of two first metalworks
It is all provided with there are two the magnetic pole core opposite respectively, two pairs of magnetic pole cores are arranged around the axis interval of the shaft, the magnetic
There are four body settings, and four magnets are connect with the fixing piece respectively.
3. magnetcisuspension suspension motor according to claim 1, which is characterized in that the both ends of second metalwork respectively with setting
First metalwork in two sides connects, and the other both ends of second metalwork are provided with insulator, the insulator with
The coil connection.
4. magnetcisuspension suspension motor according to claim 1, which is characterized in that the fixing piece is equipped with mounting groove, the magnetic
Body is set in the mounting groove and the top surface of the magnet is concordant with the lateral wall of the fixing piece.
5. magnetcisuspension suspension motor according to claim 1, which is characterized in that the fixation kit further includes locating rod；It is described
Locating rod is connect with first metalwork, and the both ends of the locating rod are connect with the front housing and the rear shell respectively.
6. magnetcisuspension suspension motor according to claim 1, which is characterized in that be connected with bearing, the shaft in the shaft
The front housing and the rear shell are connected to by the bearing.
7. described in any item magnetcisuspension suspension motors according to claim 1~6, which is characterized in that the magnetic pole core, first gold medal
Belong to part and second metalwork is integrally formed.
8. described in any item magnetcisuspension suspension motors according to claim 1~6, which is characterized in that the magnetic pole core, first gold medal
Belong to part and second metalwork is made of silicon steel material.
9. described in any item magnetcisuspension suspension motors according to claim 1~6, which is characterized in that the front housing and with the fixation
Casing used for positioning is equipped between part and between the rear shell and the fixing piece, described sleeve pipe is connected to the shaft
On.
10. magnetcisuspension suspension motor according to claim 9, which is characterized in that described sleeve pipe is made of elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920796542.2U CN209730971U (en) | 2019-05-29 | 2019-05-29 | Magnetcisuspension suspension motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920796542.2U CN209730971U (en) | 2019-05-29 | 2019-05-29 | Magnetcisuspension suspension motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209730971U true CN209730971U (en) | 2019-12-03 |
Family
ID=68674935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920796542.2U Active CN209730971U (en) | 2019-05-29 | 2019-05-29 | Magnetcisuspension suspension motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209730971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021254432A1 (en) * | 2020-06-19 | 2021-12-23 | 克瑞科技(东莞)有限公司 | Bidirectional magnetic suspension brushed electric motor device |
-
2019
- 2019-05-29 CN CN201920796542.2U patent/CN209730971U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021254432A1 (en) * | 2020-06-19 | 2021-12-23 | 克瑞科技(东莞)有限公司 | Bidirectional magnetic suspension brushed electric motor device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000, 7 building, 5 Industrial Zone, No. 3, Jun FA Road, Peng Wu Village, Dong Keng Town, Dongguan, Guangdong. Patentee after: Guangdong Tianfu Motor Technology Co.,Ltd. Address before: 523000, 7 building, 5 Industrial Zone, No. 3, Jun FA Road, Peng Wu Village, Dong Keng Town, Dongguan, Guangdong. Patentee before: DONGGUAN TIANFU MOTOR TECHNOLOGY Co.,Ltd. |