CN108063534A - A kind of device reciprocally swung - Google Patents
A kind of device reciprocally swung Download PDFInfo
- Publication number
- CN108063534A CN108063534A CN201810029900.7A CN201810029900A CN108063534A CN 108063534 A CN108063534 A CN 108063534A CN 201810029900 A CN201810029900 A CN 201810029900A CN 108063534 A CN108063534 A CN 108063534A
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- China
- Prior art keywords
- tooth
- rotor
- stator
- shaft
- reciprocally swung
- 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.)
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Links
- 238000004804 winding Methods 0.000 claims abstract description 20
- 210000003781 tooth socket Anatomy 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 206010037660 Pyrexia Diseases 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000009413 insulation Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
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
-
- 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
- H02K1/34—Reciprocating, oscillating or vibrating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
Abstract
The present invention discloses a kind of device reciprocally swung,Stator and rotor including mutual cooperation,Stator makes rotor that reciprocating rotating occur by magneticaction,Rotor includes shaft,N number of tool magnetic rotor tooth is circumferentially uniformly installed in shaft along it,The tooth top and tooth root of rotor tooth are respectively the two poles of the earth in magnetic field,Magnetic pole at adjacent rotor tooth tooth top is opposite,Advantageous effect using the present invention is after being powered to coil windings,By the attraction or repulsive force of polarity of the magnetic field on magnetic field on stator tooth and rotor tooth shaft is promoted to rotate,Rotor tooth and stator tooth use the form of circumference,Space efficiency utilization higher,More dentalations can be arranged in an equal amount of space,The coil windings of winding are also more,While rotor torsion is effectively promoted,The swing inertia of rotor will not be improved,And the fever of coil windings is lower,Service life is longer.
Description
Technical field
The present invention relates to technical field of motors, and in particular to a kind of device reciprocally swung.
Background technology
Traditional iron core DC vibrating micro machine has on the vibration product such as face massager, health-caring equipment, personal nursing
It is widely applied.Traditional iron core DC vibration motor drives product to vibrate by itself whole vibration, and Oscillation Amplitude has
It limits, and the service life is not grown, and above has in the application of some massage equipments and replaces trend, reciprocating swing by a kind of reciprocating pendulous device
The advantages that device has the amplitude of oscillation big, swings what beat was stablized, and reliability is high, long lifespan.With reciprocating pendulous device application
Popularization, people accordingly propose higher requirement to reciprocating pendulous device, such as drive the brush head of bigger, have under similary beat
There is the reciprocally swinging amplitude of bigger.
The content of the invention
For solution more than technical problem, the present invention provides a kind of device reciprocally swung.
Technical solution is as follows：A kind of device reciprocally swung, stator and rotor including mutual cooperation, the stator lead to
Crossing magneticaction makes rotor that reciprocating rotating occur, it is characterised in that：The rotor includes shaft, circumferential equal along it in the shaft
Even to be equipped with N number of magnetic rotor tooth of tool, the tooth root of the rotor tooth is close to the axial line of shaft, and tooth top is away from shaft
Axial line, the tooth top and tooth root of the rotor tooth are respectively the two poles of the earth in magnetic field, the magnetic pole at the adjacent rotor tooth tooth top on the contrary,
N is the integer more than 2.Using above-mentioned technical proposal since rotor tooth is using annular spread, can be arranged in a shaft more
A rotor tooth, the rotor tooth of arrangement is more, and the sum of torsion acted between rotor and stator is bigger, promotes the effect of shaft rotation
More preferably.
As further preferred：
Cuff has columned rotor core in above-mentioned shaft, and the surface of the rotor core offers the tooth socket of N number of bar shaped,
All cogging rings are uniformly distributed around the shaft, and a rotor tooth is separately installed in each tooth socket, described
The crest top land of rotor tooth is higher than the notch of the tooth socket.Using the gap smaller between this scheme rotor tooth and stator, air pair
The decrease effect in rotor tooth magnetic field is lower, is conducive to promote the amount of force between rotor tooth and stator.
The cross section of above-mentioned rotor tooth is in tile, and the center of circle line of the rotor tooth is overlapped with the axial line of the shaft.
Using the top area bigger of this construction rotor tooth, be conducive to promote the active force between rotor tooth and stator.
Said stator includes cylindric stator core, and the shaft is inserted into the stator core, the stator iron
N number of stator tooth is evenly distributed on the inner wall of core, the rotor tooth is described fixed towards the gap between the adjacent stator tooth
Coil windings are wound on sub- tooth, the field pole that the adjacent stator tooth coil winding generates is opposite.Using this scheme
After being powered to coil windings, the polarity on adjacent stator tooth is different, between rotor and two neighboring stator due to polarity is different
Mutually row time or attraction is so as to occur relative swing, and rotor is swung to another way after changing current direction.
Said stator tooth is made of root portion and tooth crest, and wherein root portion is fixed on the inner wall of the stator core, tooth
Top is " C " shape structure for being made of two salient poles, and the crest top land of the rotor tooth is towards the adjacent of the adjacent stator tooth
Gap between salient pole, the center of circle line of the tooth crest are overlapped with the axial line of the shaft.Using the two of this scheme stator tooth
Spacing is larger between a salient pole, is conducive to expand the area coverage in the magnetic field generated on stator tooth, promotes the swing angle of rotor,
And gap smaller when stator tooth and rotor mutual cooperation therebetween, fitness are more preferable.
Being excavated in the middle part of the top surface of above-mentioned tooth crest has magnetic resistance slot, the axis of stator core described in the notch face of the magnetic resistance slot
Heart line.One swing limiting mechanism can be set using this scheme between the stator and the rotor, limit the swing angle of rotor, but
After having external force that rotor is reversed certain angle under unpowered state, the magnetic patch and stator on rotor can be substantially reduced due to magnetic resistance slot
Magnetic field between tooth causes the attraction between the rotor tooth of magnetic patch and magnetic resistance slot attachment to reduce, magnetic patch can with it is two neighboring
Position therebetween can be arrived under the balance of the intermolecular forces of stator tooth, that is, remains at initial position.
Above-mentioned magnetic resistance slot is crescent.Using this construction rotor tooth during magnetic resistance slot is turned to, the magnetic in magnetic resistance slot
It is more and more significant to hinder effect, rotates so that rotor tooth is phased out and finally comes back to predetermined initial position.
Above-mentioned N or four or to be six or being eight.
The material of above-mentioned rotor tooth is magnet steel.
Advantageous effect：Advantageous effect using the present invention is after being powered to coil windings, by magnetic field on stator tooth and is turned
The attraction of polarity of the magnetic field or repulsive force promote shaft to rotate on sub- tooth, and rotor tooth and stator tooth use the shape of circumference
Formula, space efficiency utilization higher can arrange more dentalations in an equal amount of space, and the coil windings of winding are also more
It is more, while rotor torsion is effectively promoted, the swing inertia of rotor will not be improved, and the fever of coil windings is lower, uses
Longer life expectancy.
Description of the drawings
Fig. 1 is the first visual angle planar structure schematic diagram of the present invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the B-B sectional views of Fig. 3；
Fig. 5 is the C-C sectional views of Fig. 3；
Fig. 6 is the second visual angle planar structure schematic diagram of the present invention；
Fig. 7 is the D-D sectional views of Fig. 6；
Fig. 8 is the explosive view of the present invention；
Fig. 9 is the first working state schematic representation；
Figure 10 is the second working state schematic representation.
Specific embodiment
With reference to embodiment and attached drawing, the invention will be further described.
Embodiment 1, a kind of device reciprocally swung, as illustrated in figures 4-5, and stator and rotor including mutual cooperation, institute
State stator makes rotor that reciprocating rotating occur by magneticaction, and the rotor includes shaft 1, circumferential equal along it in the shaft 1
Even to be equipped with N number of magnetic rotor tooth 7 of tool, close to the axial line of shaft 1, tooth top is separate to be turned the tooth root of the rotor tooth 7
The axial line of axis 1, the tooth top and tooth root of the rotor tooth 7 are respectively the two poles of the earth in magnetic field, the magnetic at 7 tooth top of the adjacent rotor tooth
Pole is on the contrary, N is the integer more than 2.
Cuff has columned rotor core 5 in the shaft 1, and the surface of the rotor core 5 offers the tooth of N number of bar shaped
Slot, all cogging rings are uniformly distributed around the shaft 1, and a rotor tooth 7 is separately installed in each tooth socket,
The crest top land of the rotor tooth 7 is higher than the notch of the tooth socket, and the cross section of the rotor tooth 7 is in tile, the rotor tooth 7
Center of circle line overlapped with the axial line of the shaft 1, the material of the rotor tooth 7 is magnet steel.
The stator includes cylindric stator core 9, and the shaft 1 is inserted into the stator core 9, the stator
N number of stator tooth 9a is evenly distributed with along its circumferential direction, the rotor tooth 7 is towards the adjacent stator tooth 9a on the inner wall of iron core 9
Between gap, coil windings 10 are wound on the stator tooth 9a, what the adjacent stator tooth 9a coils winding 10 generated
Field pole is rather, it is preferred to ground, the N or four or to be six or being eight.
Specifically, the stator tooth 9a is made of root portion and tooth crest, and the root portion of stator tooth 9a fixes the stator
On the inner wall of iron core 9, the tooth crest of stator tooth 9a is " C " the shape structure being made of two salient poles, the crest top land of the rotor tooth 7
Gap towards between the Adjacent salient poles of the adjacent stator tooth 9a, the center of circle line of the tooth crest of the stator tooth 9a with it is described
The axial line of shaft 1 overlaps, and being excavated in the middle part of the top surface of the tooth crest of the stator tooth 9a has magnetic resistance slot 9c, the magnetic resistance slot 9c's
The axial line of stator core 9 described in notch face, the magnetic resistance slot 9c is preferably crescent, but magnetic resistance slot 9c can also be other
The slot of what shape.
Embodiment 2, a kind of miniature reciprocally swinging motor as shown in figures 1-8, including casing 4, reality are equipped in the casing 4
The device reciprocally swung described in example 1 is applied, the outer wall of the stator core 9 is fixedly connected with the inner wall of the casing 4, described
Casing 4 for one end have it is small opening tubular structure of the other end with big opening, the casing 4 big opening end fastening have end cap
13, clutch shaft bearing 2 is installed in the small openend of the casing 4, the middle part outwardly convex of the end cap 13 forms bearing
Mounting groove is equipped with second bearing 11 in the bearing mounting groove, and the machine is stretched out in the outer end of the shaft 1 by clutch shaft bearing 2
The small openend of shell 4, the inner end of the shaft 1 are mounted on by second bearing 11 on the end cap 13.
Shaft 1 between the rotor core 5 and the clutch shaft bearing 2 is equipped with pipe sleeve 3, and the both ends of the pipe sleeve 3 are distinguished
It is connected on the rotor core 5 and clutch shaft bearing 2, is covered in the shaft 1 between the rotor core 5 and the second bearing 11
Equipped with adjustment spring 6, the both ends of the adjustment spring 6 are connected to respectively on the second bearing 11 and the rotor core 5.
To realize being accurately positioned for rotor tooth 7, swing limiting mechanism, the swing /V are equipped between the stator and rotor
Mechanism limits the swinging distance between the adjacent stator tooth 9a of the rotor tooth 7.
The swing limiting mechanism includes two circular dististyles 8, and the both ends tube port position of the stator core 9 is set respectively
There are one the dististyle 8, N number of limiting section identical with the stator tooth 9a shapes is evenly arranged on the inner ring of the dististyle 8
8a, the coil windings 10 are on the root of the limiting section 8a of the root portion and its both ends that are located at the stator tooth 9a, institute
It states and a limited block 8b is respectively equipped on the lateral surface of two free ends of limiting section 8a, be arranged with outside the adjustment spring 6
Circular /V catch 12, the medial surface of the /V catch 12 and 5 fixed bonding of rotor core, the /V catch
Each limiting section 8a is corresponded on 12 and is respectively equipped with a limit card block 12a, limit card block 12a the extending radially out along shaft 1,
The limit card block 12a is swung between two limited block 8b on the corresponding limiting section 8a.
For /V catch 12 is made to install more securely, corresponding each rotor tooth 7 on the medial surface of the /V catch 12
A clamping column 12b is respectively equipped with, the length of the rotor tooth 7 is less than the length of the rotor core 5, the clamping column 12b
It radially extends and stretches into simultaneously clamping in the corresponding tooth socket.
It is dielectrically separated from, plugs respectively in the gap between the adjacent stator tooth 9a there are two there is insulation to be better achieved
Short set 8c, the inner end docking of two short set 8c of insulation, the surface of the outer wall and the stator tooth 9a of the short set 8c of insulation
Fitting, the outer end of two short set 8c of insulation are fixedly connected respectively with the limiting section 8a on the corresponding dististyle 8.
Stator tooth 9a and stator core on stator core 9 are identical material, are integrally formed, on all stator tooth 9a
Coil windings 10 connect and adjacent windings winding 10 around on the contrary, and the tooth top and tooth root of rotor tooth 7 are respectively magnetic field
The two poles of the earth, magnetic pole at 7 tooth top of adjacent rotor tooth on the contrary, when being passed through the positive and negative alternative current of certain beat to coil windings 10,
The magnetic field of alternation is generated on stator tooth 9a, is interacted with rotor tooth 7 so that beat reciprocally swinging of the rotor according to input, from
And form the reciprocally swinging of fixed beat.
As shown in figure 9, when giving motor forward direction energization, stator tooth 9a forms a magnetic field, what is formed with rotor tooth 7
Under magnetic field interaction, rotor clockwise swings a fixed angle.As shown in Figure 10, it is fixed when giving motor and being reversely powered
Sub- tooth 9a forms one and magnetic field just opposite shown in Fig. 9, under the magnetic field interaction formed with rotor tooth 7, rotor
A fixed angle is back swung counterclockwise.When giving the forward and reverse alternate energisation of the certain beat of motor, rotor will be according to
This frequency does a reciprocal swing back and forth；And under unpowered state, rotor tooth 7 with corresponding two stator tooth 9a
Between attraction balance under, the middle position that both can be located in always.Due to traditional iron core DC vibration motor,
Rotor is to carry out lasting rotary motion, is vibrated by increasing an eccentric block in shaft, the drawback is that：The product longevity
Life is not grown, and mode of vibration provides vibration by itself body vibration, can not export apparent amplitude of oscillation degree, larger in some needs
It is ineffective in amplitude massage and clean purposes.The device provided by the invention reciprocally swung, structure are tighter in contrast
It gathers, the work amplitude of oscillation is big, and low noise, long lifespan, stability is good, it can be achieved that the accurate positionin of initial position, can be widely used for face
On the products such as massager, cleaning supplies.
Finally it should be noted that foregoing description is only the preferred embodiment of the present invention, the ordinary skill people of this field
Member on the premise of without prejudice to present inventive concept and claim, can make table as multiple types under the enlightenment of the present invention
Show, such conversion is each fallen within protection scope of the present invention.
Claims (9)
1. a kind of device reciprocally swung, stator and rotor including mutual cooperation, the stator make to turn by magneticaction
Reciprocating rotating occurs for son, it is characterised in that：The rotor includes shaft (1), is circumferentially uniformly equipped with along it on the shaft (1)
N number of magnetic rotor tooth (7) of tool, the tooth root of the rotor tooth (7) is close to the axial line of shaft (1), and tooth top is away from shaft
(1) axial line, the tooth top and tooth root of the rotor tooth (7) are respectively the two poles of the earth in magnetic field, at adjacent rotor tooth (7) tooth top
Magnetic pole on the contrary, N is integer more than 2.
2. a kind of device reciprocally swung according to claim 1, it is characterised in that：There is cuff on the shaft (1)
Columned rotor core (5), the surface of the rotor core (5) offer the tooth socket of N number of bar shaped, and all cogging rings are around institute
It states shaft (1) to be uniformly distributed, a rotor tooth (7), the tooth of the rotor tooth (7) is separately installed in each tooth socket
Top surface is higher than the notch of the tooth socket.
3. a kind of device reciprocally swung according to claim 1 or 2, it is characterised in that：The horizontal stroke of the rotor tooth (7)
Section is in tile, and the center of circle line of the rotor tooth (7) is overlapped with the axial line of the shaft (1).
4. a kind of device reciprocally swung according to claim 3, it is characterised in that：The stator includes cylindric
Stator core (9), the shaft (1) are inserted into the stator core (9), uniformly divide on the inner wall of the stator core (9)
It is furnished with N number of stator tooth (9a), the rotor tooth (7) is towards the gap between the adjacent stator tooth (9a), the stator tooth
Coil windings (10), the field pole phase that adjacent stator tooth (9a) the coil winding (10) generates are wound on (9a)
Instead.
5. a kind of device reciprocally swung according to claim 4, it is characterised in that：The stator tooth (9a) is by tooth root
Portion and tooth crest composition, wherein root portion are fixed on the inner wall of the stator core (9), and tooth crest is made of two salient poles
" C " shape structure, the crest top land of the rotor tooth (7) towards the gap between the Adjacent salient poles of the adjacent stator tooth (9a),
The center of circle line of the tooth crest is overlapped with the axial line of the shaft (1).
6. a kind of device reciprocally swung according to claim 5, it is characterised in that：In the middle part of the top surface of the tooth crest
Excavation has magnetic resistance slot (9c), the axial line of stator core (9) described in the notch face of the magnetic resistance slot (9c).
7. a kind of device reciprocally swung according to claim 6, it is characterised in that：The magnetic resistance slot (9c) is crescent moon
Slot.
8. a kind of device reciprocally swung according to claim 1, it is characterised in that：The N or for four or be six,
Or it is eight.
9. a kind of device reciprocally swung according to claim 1, it is characterised in that：The material of the rotor tooth (7)
For magnet steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029900.7A CN108063534B (en) | 2018-01-12 | 2018-01-12 | Device capable of reciprocating swing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810029900.7A CN108063534B (en) | 2018-01-12 | 2018-01-12 | Device capable of reciprocating swing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108063534A true CN108063534A (en) | 2018-05-22 |
| CN108063534B CN108063534B (en) | 2024-04-02 |
Family
ID=62141570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810029900.7A Active CN108063534B (en) | 2018-01-12 | 2018-01-12 | Device capable of reciprocating swing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108063534B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149895A (en) * | 2018-10-08 | 2019-01-04 | 哈尔滨工业大学 | A kind of novel vibration motor |
| CN110198113A (en) * | 2019-06-05 | 2019-09-03 | 重庆市仓兴达科技有限公司 | A kind of micromotor moved back and forth with various dimensions |
| CN110350754A (en) * | 2019-06-19 | 2019-10-18 | 艾博金电气制造（深圳）有限公司 | Vibrating motor and electric toothbrush |
| CN110556987A (en) * | 2019-10-17 | 2019-12-10 | 福一开集团有限公司 | Stator-free multi-loop energy-saving motor |
| CN110198113B (en) * | 2019-06-05 | 2024-04-26 | 重庆市仓兴达科技有限公司 | Micro motor with multi-dimensional reciprocating motion |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697288A (en) * | 2005-05-27 | 2005-11-16 | 南京航空航天大学 | Consequent pole lamellate electric motor with no bearing |
| CN104578668A (en) * | 2015-02-03 | 2015-04-29 | 朱忠磊 | Small-sized high-frequency vibration device |
| CN105006942A (en) * | 2015-07-24 | 2015-10-28 | 深圳市仓兴达科技有限公司 | Miniature reciprocating type oscillator |
| CN207743840U (en) * | 2018-01-12 | 2018-08-17 | 深圳市仓兴达科技有限公司 | A kind of miniature reciprocally swinging structure |
-
2018
- 2018-01-12 CN CN201810029900.7A patent/CN108063534B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697288A (en) * | 2005-05-27 | 2005-11-16 | 南京航空航天大学 | Consequent pole lamellate electric motor with no bearing |
| CN104578668A (en) * | 2015-02-03 | 2015-04-29 | 朱忠磊 | Small-sized high-frequency vibration device |
| CN105006942A (en) * | 2015-07-24 | 2015-10-28 | 深圳市仓兴达科技有限公司 | Miniature reciprocating type oscillator |
| CN207743840U (en) * | 2018-01-12 | 2018-08-17 | 深圳市仓兴达科技有限公司 | A kind of miniature reciprocally swinging structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149895A (en) * | 2018-10-08 | 2019-01-04 | 哈尔滨工业大学 | A kind of novel vibration motor |
| CN110198113A (en) * | 2019-06-05 | 2019-09-03 | 重庆市仓兴达科技有限公司 | A kind of micromotor moved back and forth with various dimensions |
| CN110198113B (en) * | 2019-06-05 | 2024-04-26 | 重庆市仓兴达科技有限公司 | Micro motor with multi-dimensional reciprocating motion |
| CN110350754A (en) * | 2019-06-19 | 2019-10-18 | 艾博金电气制造（深圳）有限公司 | Vibrating motor and electric toothbrush |
| CN110350754B (en) * | 2019-06-19 | 2024-04-26 | 艾博金电气制造（深圳）有限公司 | Vibrating motor and electric toothbrush |
| CN110556987A (en) * | 2019-10-17 | 2019-12-10 | 福一开集团有限公司 | Stator-free multi-loop energy-saving motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108063534B (en) | 2024-04-02 |
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Effective date of registration: 20240225 Address after: 408000 No. 133, Julong Road, New District, Fuling District, Chongqing Applicant after: CHONGQING CANGXINGDA TECHNOLOGY CO.,LTD. Country or region after: China Address before: Room A701, Tianan science and Technology Pioneer Park building, chegongmiao, Futian District, Shenzhen City, Guangdong Province Applicant before: SHENZHEN CANGXINGDA TECHNOLOGY Co.,Ltd. Country or region before: China |
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