CN207021878U - Toothbrush motor - Google Patents
Toothbrush motor Download PDFInfo
- Publication number
- CN207021878U CN207021878U CN201720910504.6U CN201720910504U CN207021878U CN 207021878 U CN207021878 U CN 207021878U CN 201720910504 U CN201720910504 U CN 201720910504U CN 207021878 U CN207021878 U CN 207021878U
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- stator
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- shell
- rotating shaft
- magnets
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Abstract
The utility model discloses a kind of toothbrush motor, including rotating shaft, shell and electric control gear, rotating shaft peripheral hardware rotor core, rotor core is provided with the No.1 group of magnets and No. two group of magnets that magnetic pole is axisymmetricly arranged, stator skeleton, stator core and stator winding are fixed with shell, rotating shaft is arranged in shell by bearing, and the stator skeleton is along the axially extending cage integral insulation skeleton of rotating shaft, the stator skeleton close-fitting, is plugged in shell；The stator skeleton includes the cage body for accommodating rotating shaft, and No.1 group of magnets is corresponded on the cage body and is provided with winding wound portion with No. two group of magnets, spliced eye is set in the winding wound portion；The stator winding is wrapped in outside winding wound portion, and the stator core is plugged on spliced eye.Stator skeleton of the present utility model uses cage integral insulation skeleton, and for grafting close-fitting in shell, number of parts is few, compact overall structure, reduces vibration extra during motor operation and noise, improves performance.
Description
Technical field
It the utility model is related to small electric apparatus technical field, and in particular to a kind of toothbrush motor.
Background technology
Acoustic toothbrush is a kind of novel toothbrush for mixing sound wave science and technology in oral care, and head toothbrushes shake by the frequency of design
It is dynamic, produce the ultrasonic frequency using sound wave as energy and shake, reach the purpose of cleaning tooth, its core component is internal vibration
Motor.
Application publication number CN104578668A patent document discloses a kind of small-sized high-frequency vibration device, and it is according to electromagnetism
Sensing and magnet identical charges repel each other principle of opposite sex attraction, the sense of current of coil is passed through by control, magnet is deflected
And central rotating shaft reciprocating rotation is driven, and vibrating effect is realized, device vibration has that frequency is high, and vibration frequency is stable, energy consumption is low,
Small specific of long lifespan, noise.
Above-mentioned small-sized high-frequency vibration device includes two insulating supports for being used for wound around coil, and it passes through screw, buckle etc.
After mode carries out assembly, it is symmetricly set on outside central rotating shaft.The structure has the advantages of easy for installation, but accordingly, this spelling
Assembling structure can bring extra vibration and noise when vibrating device is run, and reduce the performance of motor.
Utility model content
In order to reduce the additional vibratory of high-frequency vibration device and noise, to lift its overall performance, the utility model provides
A kind of toothbrush motor.
The technical solution adopted in the utility model is as follows：
A kind of toothbrush motor, including rotating shaft, shell and electric control gear, rotating shaft peripheral hardware rotor core, rotor core are provided with
No.1 group of magnets that magnetic pole is axisymmetricly arranged and No. two group of magnets, stator skeleton, stator core and stator are fixed with shell
Winding, rotating shaft are arranged in shell by bearing, and electric control gear acts on the magnetic field that stator winding produces the switching of magnetic pole high frequency；Institute
It is along the axially extending cage integral insulation skeleton of rotating shaft to state stator skeleton, the stator skeleton close-fitting, is plugged in shell；Institute
State stator skeleton and include cage body for accommodating rotating shaft, correspond to No.1 group of magnets on the cage body sets with No. two group of magnets
There is winding wound portion, spliced eye is set in the winding wound portion；The stator winding is wrapped in outside winding wound portion, described fixed
Sub- iron core is plugged on spliced eye.
The outer end of the wound portion sets positioning tile, and the shell corresponds to positioning tile and is provided with two circular arc side walls, the positioning
Inner surface snug fit watt with circular arc side wall.
The positioning tile outer surface sets groove, and the stator core is T-shaped iron core, including plug division and tile, described to insert
Socket part coordinates with spliced eye grafting, and the tile is inlayed in a groove and equal with the outer surface of positioning tile.
The rotor core sets central shaft hole and is sheathed in rotating shaft, is set in two relative side walls of the rotor core
Magnet mounting groove, the No.1 group of magnets is inlayed respectively with No. two group of magnets, close-fitting is in each self-corresponding magnet mounting groove.
The No.1 group of magnets respectively includes a magnet, the side wall alignment of the S poles, N poles of the magnet with No. two group of magnets
Stator winding.
The No.1 group of magnets respectively includes two magnet with No. two group of magnets, wherein the S poles of the magnet, Ling Yigen
The N poles alignment stator winding of the magnet.
Also include bracket at tail part, the bracket at tail part grafting, close-fitting are at the rear end opening of shell, before the shell
End respectively sets a bearing mounting base with bracket at tail part, and the rotating shaft is arranged in bearing mounting base by bearing.
Also include shell fragment, one section of tail end for being fixed on rotating shaft of the shell fragment, the other end is fixed on bracket at tail part.
The rotor core or stator core are assembled by silicon steel sheet.
The beneficial effects of the utility model are：Stator skeleton of the present utility model uses cage integral insulation skeleton, grafting
For close-fitting in shell, number of parts is few, compact overall structure, reduces vibration extra during motor operation and noise, improves
Performance.
Brief description of the drawings
Fig. 1 is the appearance schematic diagram of the utility model embodiment one.
Fig. 2 is the exploded perspective view of the utility model embodiment one.
Fig. 3 is the cross-sectional view of the utility model embodiment one.
Fig. 4 is the schematic diagram of stator skeleton in the utility model embodiment one.
Fig. 5 is the axial front view of stator skeleton in the utility model embodiment one.
Fig. 6 is the exploded perspective view of the utility model embodiment two.
Fig. 7 is the cross-sectional view of the utility model embodiment two.
It is rotating shaft 1, shell 2, rotor core 3,4, No. two group of magnets 5 of No.1 group of magnets, stator skeleton 6, stator core 7, fixed
Sub- winding 8, bearing 9, bracket at tail part 10, shell fragment 11, circular arc side wall 21, central shaft hole 31, magnet mounting groove 32, cage body 61,
Winding wound portion 62, spliced eye 63, positioning tile 64, groove 65, plug division 71, tile 72.
Embodiment
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
In embodiment one, as shown in Figure 1, Figure 2, Figure 3 shows, a kind of toothbrush motor, including rotating shaft 1, shell 2 and electric control gear,
The peripheral hardware rotor core 3 of rotating shaft 1, rotor core 3 are provided with the No.1 group of magnets 4 and No. two group of magnets 5 that magnetic pole is axisymmetricly arranged,
Stator skeleton 6, stator core 7 and stator winding 8 are fixed with shell 2, rotating shaft 1 is arranged in shell 2 by bearing 9, automatically controlled
Device acts on the magnetic field that stator winding 7 produces the switching of magnetic pole high frequency；The stator skeleton 6 is along the axially extending cage of rotating shaft 1
Formula integral insulation skeleton, the close-fitting of stator skeleton 6, it is plugged in shell 2；The stator skeleton 6 includes to be turned for accommodating
The cage body 61 of axle 1, No.1 group of magnets 4 is corresponded on the cage body 61 and No. two group of magnets 5 are provided with winding wound portion 62, it is described
Spliced eye 63 is set in winding wound portion 62；The stator winding 8 is wrapped in outside winding wound portion 62, and the stator core 7 is inserted
It is connected on spliced eye 63.The stator skeleton 6 of embodiment one uses cage integral insulation skeleton, and grafting close-fitting is in shell 2, number of components
Amount is few, compact overall structure, reduces vibration extra during motor operation and noise, improves performance, accordingly, the event of motor
Barrier rate can reduce, and service life can extend.
In embodiment one, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the outer end of the wound portion 62 sets positioning tile 64, institute
State the corresponding positioning tile 64 of shell 2 and be provided with two circular arc side walls 21, the positioning tile 64 is close to match somebody with somebody with the inner surface of circular arc side wall 21
Close.The structure of embodiment one, assembled between shell 2 and stator skeleton 6 firm.
In embodiment one, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the outer surface of positioning tile 64 sets groove 65, described
Stator core 7 is T-shaped iron core, including plug division 71 and tile 72, the plug division 71 coordinate with the grafting of spliced eye 63, described watt
Piece 72 is embedded in groove 65 and equal with the outer surface of positioning tile 64.The structure of embodiment one, stator core 7 utilize spliced eye
63 and groove 65 make dual cooperation, while by the fastening of circular arc side wall 21, firmly install.
In embodiment one, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the rotor core 3 sets central shaft hole 31 and is arranged
In in rotating shaft 1, magnet mounting groove 32, the No.1 group of magnets 4 and No. two magnetic are set in two relative side walls of the rotor core 3
Iron group 5 is inlayed respectively, close-fitting is in each self-corresponding magnet mounting groove 32.Example structure No.1 group of magnets 4 and No. two magnet
Group 5 fixations, easy for installation.
As shown in Fig. 3, Fig. 7, the respectively structure of embodiment one and embodiment two.In embodiment one, the No.1 magnet
Group 4 and No. two group of magnets 5 respectively include a magnet, the S poles of the magnet, the side wall alignment stator winding 8 of N poles；Embodiment two
In, the No.1 group of magnets 4 and No. two group of magnets 5 respectively include two magnet, wherein the S poles of the magnet, another institute
State the N poles alignment stator winding 8 of magnet.This structure, magnetic field caused by stator winding 8 and No.1 group of magnets 4 and No. two magnet
The effect of group 5, self-assembling formation torque band turn axle 1 rotates, and is not in unstable equilibrium point, the reciprocating rotation of rotating shaft 1 also compares
It is stable.
In embodiment one, as shown in Fig. 2 also including bracket at tail part 10, the grafting of bracket at tail part 10, close-fitting are in shell
At 2 rear end opening, front end and the bracket at tail part 10 of the shell 2 respectively set a bearing mounting base, and the rotating shaft 1 passes through bearing
9 are arranged in bearing mounting base.The structure of embodiment one, it can accomplish that zero-clearance coordinates between bracket at tail part 10 and shell 2 substantially, structure
It is compact, firm, but also there is the characteristics of easy to assembly.
In embodiment one, as shown in Fig. 2 also include shell fragment 11, one section of tail for being fixed on rotating shaft 1 of the shell fragment 11
End, the other end are fixed on bracket at tail part 10.The shell fragment 11 of embodiment one rotating shaft 1 it is positive, reversely deflect when, play limitation and turn
The purpose of the deflection angle of axle 1, and to main shaft 1 is positive, reversely deflection also functions to the effect of process auxiliary drive.
As shown in Fig. 2, Fig. 6, the respectively structure of embodiment one and embodiment two, the rotor core 3 or stator core 7
Assembled by silicon steel sheet, such a structure can reduce eddy-current loss, reduce temperature rise.
Obviously, above-described embodiment of the present utility model is merely to illustrate that the utility model example, and is not
Restriction to embodiment of the present utility model.For those of ordinary skill in the field, on the basis of described above
On can also make other various forms of changes or variation.There is no need and unable to give poor example to all embodiments.
And these belong to the obvious changes or variations that connotation of the present utility model is amplified out and still fall within the utility model
Protection domain.
Claims (9)
1. a kind of toothbrush motor, including rotating shaft, shell and electric control gear, rotating shaft peripheral hardware rotor core, rotor core are provided with magnetic
No.1 group of magnets that pole is axisymmetricly arranged and No. two group of magnets, be fixed with shell stator skeleton, stator core and stator around
Group, rotating shaft are arranged in shell by bearing, and electric control gear acts on the magnetic field that stator winding produces the switching of magnetic pole high frequency, and it is special
Sign is：
The stator skeleton is along the axially extending cage integral insulation skeleton of rotating shaft, the stator skeleton close-fitting, is plugged on outside
In shell；
The stator skeleton includes the cage body for accommodating rotating shaft, and No.1 group of magnets and No. two magnetic are corresponded on the cage body
Iron group is provided with winding wound portion, and spliced eye is set in the winding wound portion；
The stator winding is wrapped in outside winding wound portion, and the stator core is plugged on spliced eye.
2. toothbrush motor according to claim 1, it is characterised in that：The outer end of the wound portion sets positioning tile, described outer
Shell corresponds to positioning tile and is provided with two circular arc side walls, the positioning tile and the inner surface snug fit of circular arc side wall.
3. toothbrush motor according to claim 2, it is characterised in that：The positioning tile outer surface sets groove, the stator
Iron core is T-shaped iron core, including plug division and tile, and the plug division coordinates with spliced eye grafting, and the tile is embedded in groove
In and it is equal with the outer surface of positioning tile.
4. toothbrush motor according to claim 1, it is characterised in that：The rotor core sets central shaft hole and is sheathed on
In rotating shaft, magnet mounting groove, the No.1 group of magnets and No. two magnet components are set in two relative side walls of the rotor core
Do not inlay, close-fitting is in each self-corresponding magnet mounting groove.
5. toothbrush motor according to claim 4, it is characterised in that：The No.1 group of magnets respectively includes with No. two group of magnets
A piece magnet, the S poles of the magnet, the side wall alignment stator winding of N poles.
6. toothbrush motor according to claim 4, it is characterised in that：The No.1 group of magnets respectively includes with No. two group of magnets
Two magnet, wherein the S poles of the magnet, the N poles of another magnet are directed at stator winding.
7. toothbrush motor according to claim 1, it is characterised in that：Also include bracket at tail part, the bracket at tail part is inserted
Connect, close-fitting at the rear end opening of shell, the front end of the shell respectively sets a bearing mounting base, the rotating shaft with bracket at tail part
It is arranged on by bearing in bearing mounting base.
8. toothbrush motor according to claim 7, it is characterised in that：Also include shell fragment, one section of fixation of the shell fragment
In the tail end of rotating shaft, the other end is fixed on bracket at tail part.
9. toothbrush motor according to claim 1, it is characterised in that：The rotor core or stator core are spelled by silicon steel sheet
Dress forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720910504.6U CN207021878U (en) | 2017-07-26 | 2017-07-26 | Toothbrush motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720910504.6U CN207021878U (en) | 2017-07-26 | 2017-07-26 | Toothbrush motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207021878U true CN207021878U (en) | 2018-02-16 |
Family
ID=61481013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720910504.6U Active CN207021878U (en) | 2017-07-26 | 2017-07-26 | Toothbrush motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207021878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494958A (en) * | 2018-12-24 | 2019-03-19 | 东莞市天孚电机科技有限公司 | A kind of rotary actuator |
| CN110429771A (en) * | 2019-08-12 | 2019-11-08 | 四川安和精密电子电器股份有限公司 | A kind of stator module production technology and its sound wave motor |
-
2017
- 2017-07-26 CN CN201720910504.6U patent/CN207021878U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494958A (en) * | 2018-12-24 | 2019-03-19 | 东莞市天孚电机科技有限公司 | A kind of rotary actuator |
| CN109494958B (en) * | 2018-12-24 | 2023-11-24 | 广东天孚电机科技有限公司 | Swing motor |
| CN110429771A (en) * | 2019-08-12 | 2019-11-08 | 四川安和精密电子电器股份有限公司 | A kind of stator module production technology and its sound wave motor |
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