CN220359002U - Motor for electric toothbrush - Google Patents
Motor for electric toothbrush Download PDFInfo
- Publication number
- CN220359002U CN220359002U CN202321780769.0U CN202321780769U CN220359002U CN 220359002 U CN220359002 U CN 220359002U CN 202321780769 U CN202321780769 U CN 202321780769U CN 220359002 U CN220359002 U CN 220359002U
- Authority
- CN
- China
- Prior art keywords
- motor
- axial
- end cover
- bearing
- electric toothbrush
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 46
- 239000010959 steel Substances 0.000 claims abstract description 46
- 239000003292 glue Substances 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a motor for an electric toothbrush, which belongs to the technical field of motors, and comprises a machine shell and a shaft, wherein two ends of the machine shell are respectively connected with an end cover assembly, the end cover assembly comprises an end cover, a bearing is connected inside the end cover, the shaft is connected inside the machine shell and the end cover assembly through the bearing, a stator assembly is connected on the inner wall of the machine shell, a rotor assembly corresponding to the stator assembly is connected on the shaft, an axial driving coil positioned at one side of the bearing is connected inside the end cover, and an axial magnetic steel set corresponding to the axial driving coil is connected on the shaft. According to the utility model, the motor is driven to rotate through the cooperation of the stator assembly and the rotor assembly, and the motor is driven to axially move through the cooperation of the axial driving coils and the axial magnetic steel groups, so that multidirectional vibration of the motor is realized, and the two groups of axial driving coils and the axial magnetic steel groups are respectively positioned at two ends of the motor, so that the driving force of the axial movement is effectively increased, and the motor is enabled to move more stably.
Description
Technical Field
The utility model belongs to the technical field of motors, and particularly relates to a motor for an electric toothbrush.
Background
With the progress of technology in the daily and monthly state, the living standard of people is gradually improved, more and more automatic equipment is integrated into the life of people, and the electric toothbrush is generally accepted by people because of better cleaning strength.
The mainstream electric toothbrush in the market mostly adopts small-angle reciprocating motor as mainstream scheme, and the motor is as electric toothbrush's core component, and is huge to electric toothbrush's function realization influence, along with the promotion of customer to the requirement of product, single wobbling toothbrush motor can't satisfy customer's many scenes and the demand of many styles yet.
Therefore, development of a multidirectional motion motor is needed to adapt to the demands of customers, and the multidirectional motion motor has the characteristics of strong driving force and capability of realizing stable multidirectional motion.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides a motor for an electric toothbrush, which has the characteristics of strong driving force and capability of realizing stable multidirectional movement.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the motor for the electric toothbrush comprises a shell and a shaft, wherein two ends of the shell are respectively connected with an end cover assembly, the end cover assemblies comprise end covers, bearings are connected to the inner parts of the end covers, the shaft is connected in the shell and the end cover assemblies through the bearings, a stator assembly is connected to the inner wall of the shell, a rotor assembly corresponding to the stator assembly is connected to the shaft, an axial driving coil is arranged on one side of the bearing and connected to the inner part of the end cover, and an axial magnetic steel set corresponding to the axial driving coil is connected to the shaft.
In order to support the shaft, the shaft can perform rotational movement and axial movement, and further, the bearing is an oil-containing bearing and is adhered to the inside of the end cover through glue.
In order to drive the motor to rotate, the stator assembly further comprises a stator core, and a rotary driving coil is wound on the stator core. The rotor assembly comprises a rotor core, and a plurality of rotor magnetic steels are connected to the rotor core.
In order to be used as a winding support frame of the rotary driving coil, the rotary driving coil is supported and fixed at the same time, and further, a framework is connected to the stator core, and the rotary driving coil is wound on the framework.
In order to increase the driving force of the axial movement, the axial magnetic steel group further comprises two axial driving magnetic steels, and a pole piece is arranged between the two axial driving magnetic steels.
In order to provide assembly positioning and bonding surfaces for the rotor magnetic steel, further, a plurality of embedded grooves are formed in the circumference of the rotor core, and the rotor magnetic steel is embedded in the embedded grooves.
In order to enable the thread ends of the axial driving coil and the rotary driving coil to pass out and be connected with alternating current or pulse signals, the end cover is further provided with a thread passing groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the stator assembly and the rotor assembly are matched to drive the motor to rotate, and the axial driving coils and the axial magnetic steel groups are matched to drive the motor to axially move, so that multidirectional vibration of the motor is realized, and the two groups of axial driving coils and the axial magnetic steel groups are respectively positioned at two ends of the motor, so that the driving force of the axial movement is effectively increased, and the motor is enabled to move more stably;
2. the bearing is an oil-containing bearing, and is adhered to the inside of the end cover through glue, and the bearing is used for supporting the shaft, so that the shaft can perform rotary motion and axial motion;
3. the axial magnetic steel group comprises two axial driving magnetic steels, and a pole piece is arranged between the two axial driving magnetic steels, so that the driving force of axial movement is increased;
4. the circumference of the rotor core is provided with four embedded grooves, and the rotor magnetic steel is embedded in the embedded grooves to provide assembly positioning and bonding surfaces for the rotor magnetic steel.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of an explosion of a structure of the present utility model;
FIG. 2 is a schematic exploded view of the end cap assembly of the present utility model;
FIG. 3 is a schematic structural view of an axial magnetic steel set according to the present utility model;
FIG. 4 is a schematic view of a rotor assembly according to the present utility model;
FIG. 5 is a schematic cross-sectional view of the present utility model;
FIG. 6 is a schematic cross-sectional view of an end cap assembly of the present utility model;
FIG. 7 is a schematic view of the electromagnetic drive of the rotary motion of the present utility model;
FIG. 8 is a schematic view of an electromagnetic drive for axial movement in accordance with the present utility model;
in the figure: 1. a housing; 2. an end cap assembly; 21. an end cap; 22. an axial drive coil; 23. a bearing; 24. wire passing grooves; 3. a rotor assembly; 31. a rotor core; 32. rotor magnetic steel; 33. an embedding groove; 4. a rotary driving coil; 5. an axial magnetic steel group; 51. axially driving the magnetic steel; 52. a pole piece; 6. a skeleton; 7. a shaft; 8. and a stator core.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-8, the present utility model provides the following technical solutions: the utility model provides a motor for electric toothbrush, including casing 1 and axle 7, the both ends of casing 1 are connected with end cover subassembly 2 respectively, end cover subassembly 2 includes end cover 21, the internally connected of end cover 21 has bearing 23, axle 7 passes through bearing 23 to be connected in casing 1 and end cover subassembly 2, be connected with stator module on the inner wall of casing 1, be connected with the rotor subassembly 3 corresponding with stator module on the axle 7, the internally connected of end cover 21 has the axial drive coil 22 that is located bearing 23 one side, the material of axial drive coil 22 is self-adhesion enamelled copper wire, connect through series connection or parallel connection between two axial drive coils 22, this embodiment is preferred to be connected in series, be connected with the axial magnet steel group 5 corresponding with axial drive coil 22 on the axle 7.
Through the adoption of the technical scheme, the motor is driven to rotate through the cooperation of the stator assembly and the rotor assembly 3, and the motor is driven to axially move through the cooperation of the axial driving coil 22 and the axial magnetic steel group 5, so that multidirectional vibration of the motor is realized, and the two groups of axial driving coils 22 and the axial magnetic steel group 5 are respectively arranged at two ends of the motor, so that the driving force of the axial movement is effectively increased, and the motor is enabled to move more stably.
Specifically, the bearing 23 is an oil-containing bearing, and the bearing 23 is adhered to the inside of the end cover 21 by glue.
By adopting the above technical scheme, the shaft 7 is supported by the bearing 23, so that the shaft 7 can perform both rotational movement and axial movement.
Specifically, the stator assembly comprises a stator core 8, the stator core 8 is fixed on the inner wall of the casing 1 through glue, a rotary driving coil 4 is wound on the stator core 8, the rotary driving coil 4 is made of enamelled copper wires, and the two rotary driving coils 4 are connected in series. The rotor assembly 3 comprises a rotor core 31, the rotor core 31 and the shaft 7 are fixed together through riveting and glue dispensing, four rotor magnetic steels 32 are connected to the rotor core 31, and the rotor magnetic steels 32 are adhered to the rotor core 31 through glue.
By adopting the technical scheme, the rotary driving coil 4 is electrified to generate an electric field, and the electric field interacts with a magnetic field generated by the rotor magnetic steel 32 to drive the motor to rotate.
Example 2
This embodiment differs from embodiment 1 in that: specifically, the stator core 8 is connected with a frame 6, and the rotary driving coil 4 is wound on the frame 6.
By adopting the technical scheme, the framework 6 is used as a winding support frame of the rotary driving coil 4, and simultaneously supports and fixes the rotary driving coil 4.
Example 3
This embodiment differs from embodiment 1 in that: specifically, the axial magnetic steel group 5 includes two axial driving magnetic steels 51, a pole piece 52 is arranged between the two axial driving magnetic steels 51, and the two axial driving magnetic steels 51 and the pole piece 52 are fixed on the shaft 7 through glue.
By adopting the technical scheme, the driving force of the axial movement is increased.
Example 4
This embodiment differs from embodiment 1 in that: specifically, four insertion grooves 33 are provided on the circumference of the rotor core 31, and the rotor magnetic steel 32 is inserted into the insertion grooves 33.
By adopting the above technical scheme, the assembly positioning and bonding surface is provided for the rotor magnetic steel 32.
Example 5
This embodiment differs from embodiment 1 in that: specifically, the end cover 21 is provided with a wire passing groove 24.
By adopting the above technical scheme, the wire ends for the axial driving coil 22 and the rotary driving coil 4 pass through and are connected with alternating current or pulse signals.
In summary, the stator assembly and the rotor assembly 3 are matched to drive the motor to rotate, and the axial driving coil 22 and the axial magnetic steel set 5 are matched to drive the motor to axially move, so that multidirectional vibration of the motor is realized, and the two groups of axial driving coils 22 and the axial magnetic steel set 5 are respectively arranged at two ends of the motor, so that the driving force of the axial movement is effectively increased, and the movement of the motor is more stable; the bearing 23 is an oil-containing bearing, the bearing 23 is adhered to the inside of the end cover 21 through glue, and the shaft 7 is supported through the bearing 23, so that the shaft 7 can perform rotary motion and axial motion; the axial magnetic steel group 5 comprises two axial driving magnetic steels 51, and a pole piece 52 is arranged between the two axial driving magnetic steels 51, so that the driving force of axial movement is increased; four embedded grooves 33 are formed in the circumference of a rotor core 31, and rotor magnetic steel 32 is embedded in the embedded grooves 33 to provide assembly positioning and bonding surfaces for the rotor magnetic steel 32.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A motor for an electric toothbrush comprising a housing and a shaft, characterized in that: the two ends of the shell are respectively connected with an end cover assembly, the end cover assemblies comprise end covers, the inside of each end cover is connected with a bearing, the shaft is connected in the shell and the end cover assemblies through the bearings, the inner wall of the shell is connected with a stator assembly, the shaft is connected with a rotor assembly corresponding to the stator assembly, the inside of each end cover is connected with an axial driving coil positioned on one side of the bearing, and the shaft is connected with an axial magnetic steel group corresponding to the axial driving coil.
2. A motor for an electric toothbrush as recited in claim 1, wherein: the bearing is an oil-containing bearing, and the bearing is adhered to the inside of the end cover through glue.
3. A motor for an electric toothbrush as recited in claim 1, wherein: the stator assembly comprises a stator core, and a rotary driving coil is wound on the stator core.
4. A motor for an electric toothbrush according to claim 3, characterized in that: the stator core is connected with a framework, and the rotary driving coil is wound on the framework.
5. A motor for an electric toothbrush as recited in claim 1, wherein: the axial magnetic steel group comprises two axial driving magnetic steels, and a pole piece is arranged between the two axial driving magnetic steels.
6. A motor for an electric toothbrush as recited in claim 1, wherein: the rotor assembly comprises a rotor core, and a plurality of rotor magnetic steels are connected to the rotor core.
7. A motor for an electric toothbrush as recited in claim 6, wherein: the circumference of the rotor core is provided with a plurality of embedded grooves, and the rotor magnetic steel is embedded in the embedded grooves.
8. A motor for an electric toothbrush as recited in claim 1, wherein: and the end cover is provided with a wire passing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321780769.0U CN220359002U (en) | 2023-07-06 | 2023-07-06 | Motor for electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321780769.0U CN220359002U (en) | 2023-07-06 | 2023-07-06 | Motor for electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220359002U true CN220359002U (en) | 2024-01-16 |
Family
ID=89502306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321780769.0U Active CN220359002U (en) | 2023-07-06 | 2023-07-06 | Motor for electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220359002U (en) |
-
2023
- 2023-07-06 CN CN202321780769.0U patent/CN220359002U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2802385C (en) | Electric motor | |
| JPH10285890A (en) | Permanent magnet type generator | |
| CN111463992A (en) | Low-noise vibration micro motor and implementation method thereof | |
| CN111865027A (en) | High-frequency high-rotation-speed swing motor and implementation method thereof | |
| WO2021254432A1 (en) | Bidirectional magnetic suspension brushed electric motor device | |
| CN220359002U (en) | Motor for electric toothbrush | |
| CN214959229U (en) | External rotor motor | |
| CN220359001U (en) | Multidirectional motion motor with low friction coefficient | |
| CN212572229U (en) | Brushless motor | |
| CN219372252U (en) | Double-freedom-degree motor | |
| CN219372249U (en) | Novel two degree of freedom motors | |
| CN210724516U (en) | Double-stator single-rotor disc type permanent magnet motor | |
| CN220359000U (en) | Multidirectional motion motor | |
| CN210431043U (en) | Small-size efficient power generation device | |
| CN209730971U (en) | Magnetcisuspension suspension motor | |
| CN110957884A (en) | Motor suitable for electric toothbrush and implementation method thereof | |
| CN201570917U (en) | Permanent magnet generator | |
| CN214959231U (en) | Motor and rotor thereof | |
| CN212304927U (en) | Permanent magnet generator | |
| CN201499025U (en) | Radial air gap motor and stator thereof | |
| CN214900609U (en) | Magnetic suspension sound wave motor | |
| CN205753920U (en) | Vibrating motor | |
| CN221448178U (en) | Motor rotor, curtain motor and curtain | |
| CN212726733U (en) | Embedded centrifugal impeller device of gumming of high-speed permanent-magnet machine | |
| CN116780846A (en) | Multidirectional motion motor and implementation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |