CN203387324U - Sound-wave motor - Google Patents
Sound-wave motor Download PDFInfo
- Publication number
- CN203387324U CN203387324U CN201320429016.5U CN201320429016U CN203387324U CN 203387324 U CN203387324 U CN 203387324U CN 201320429016 U CN201320429016 U CN 201320429016U CN 203387324 U CN203387324 U CN 203387324U
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- rotating shaft
- magnetite
- wave motor
- torsion spring
- sound wave
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Abstract
The utility model discloses a sound-wave motor, which is suitable for sound-wave toothbrushes. The sound-wave motor comprises a stator and a rotating shaft; and is characterized by also comprising a front end cover and a rear end cover, wherein the stator is fixedly mounted in the housing, the rotating shaft is rotatably installed in the housing, one end of the rotating shaft is equipped with an axial hole, and the other end of the rotating shaft extends out of the front end cover; and a positioning torsion spring which can rotate with the rotating shaft and includes torsional deformation is installed in the axial hole, one end of the positioning torsion spring is arranged in the axial hole, and the other end of the positioning torsion spring extends out of the axial hole and is fixed with the rear end cover. The sound-wave motor includes the housing which is generally made of metal material, the stator and the rotating shaft are installed in the housing, the whole structure of the motor is firm, rigidity is good, assembly and disassembly are convenient, positioning is accurate, and performance is stable; and in addition, switching between forward and backward rotations is fast.
Description
Technical field
The utility model relates to motor, relates in particular to a kind of sound wave motor be applied in the products such as acoustic toothbrush.
Background technology
Acoustic toothbrush is the high-speed motion that utilizes micromachine, drives head toothbrushes left and right high speed swinging, produces mechanical oscillation, and its vibration frequency is consistent with frequency of sound wave or close, to reach superpower cleaning effect.Because mainly relying on micromachine to drive, acoustic toothbrush realizes cleaning, therefore, the performance of micromachine is one of key factor determined the acoustic toothbrush performance, the motor of application in existing acoustic toothbrush, generally directly the structural elements such as stator and rotating shaft to be installed to the plastic handle inside that is arranged at toothbrush, the motor of this structure, its structure is not firm, unstable properties, easily break down and cause toothbrush normally not use, simultaneously, assembling is complicated, the efficiency that causes toothbrush to be produced is low, in addition, in swing process, can not reset in time, its corresponding speed is slow, vibration frequency is relatively low.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art and a kind of sound construction of providing, easy to use, the sound wave motor of stable performance.
The technical scheme that the utility model solution prior art problem adopts is: a kind of sound wave motor, be applicable to acoustic toothbrush, it comprises stator and rotating shaft, its improvement is: also comprise the shell with a front end housing and a rear end cap, described stator is fixedly installed in described shell, described rotating shaft is rotatably installed in described shell, and described rotating shaft one end is provided with an axial hole, and the other end is stretched out by described front end housing;
Be equipped with one in described axial hole and can rotate the location torsion spring of the deformation that twists with described rotating shaft, an end of described location torsion spring is arranged in described axial hole, and the other end is stretched out by described axial hole and fixes with described rear end cap.
Below technique scheme is further elaborated:
Further, described location torsion spring comprises backstay and torsion spring, one end of described backstay stretches to described axial hole and is connected with described rotating shaft by described torsion spring, and the other end of described backstay is fixedly connected with a fixed block, and described fixed block is fixed by an alignment pin and described rear end cap.
Further, rotating shaft in described shell is provided with magnetic conduction construction, described magnetic conduction construction comprises magnetite fixture, magnetite and magnetic conduction sheet, wherein, described magnetite fixture is sheathed and be fixed in described rotating shaft, and described magnetite fixture both sides are respectively equipped with a described magnetite, and the upper and lower surface of described magnetite fixture is respectively equipped with a described magnetic conduction sheet, described magnetic conduction sheet and magnetite fixture are fixed by one first button bit, and described magnetite and described magnetite fixture are fixed by one second button bit.
Further, an end of described magnetite fixture is provided with a junction, and described connecting portion is fixed by a bearing A and described rear end cap, and the other end relative with described connecting portion in described rotating shaft is fixed by a bearing B and described front end housing.
Further, described the first button bit comprises the first protuberance that is arranged at centre position, described magnetic conduction sheet two ends and is arranged at first bayonet socket that can engage with described the first protuberance on described magnetite fixture; Described the second button bit comprises the second protuberance that is arranged at the outside, described magnetic conduction sheet two ends and is arranged at second bayonet socket that can engage with described the second protuberance on described magnetite.
Further, described stator comprises a U-shaped magnetic conductor, coil holder and coil, and described coil holder is sheathed on described U-shaped magnetic conductor bottom, and described coil winding is on described coil holder.
Further, described shell is aluminium.
Further, described magnetite fixture is the fire prevention nylon material.
The beneficial effects of the utility model are: one, sound wave motor of the present utility model have shell (being generally metal material), stator and rotating shaft are installed in shell, its overall structure is firm, and good rigidly can be avoided the various faults that easily occur in use procedure, guarantee the performance that it is stable, simultaneously, this integrally-built motor, in the application of acoustic toothbrush, easier for installation, can improve assembling and production efficiency; Two, the location torsion spring can be with the rotating shaft rotation torsional deformation, in rotating shaft by veering counterclockwise or when counterclockwise veer is arranged, under the effect of location torsion spring, can make rotating shaft switch to fast counterclockwise or the clockwise direction rotation, its response speed is more accelerated, and can improve vibration frequency; Three, adopt the first button bit that magnetic conduction sheet and magnetite fixture are fixed, adopt the second button bit that magnetite and magnetite fixture are fixed, so, compact conformation is firm, also without other securing members, fixes, and assembles convenient; Four, between location torsion spring and rear end cap, adopt fixed block and alignment pin to fix, its sound construction, assembly and disassembly is convenient, accurate positioning.
The accompanying drawing explanation
Fig. 1 is the explosive view of the utility model embodiment;
Fig. 2 is the stereogram of the utility model embodiment;
In figure: U-shaped magnetic conductor 10; Coil holder 11; Coil 12; Rotating shaft 20; Axial hole 201; Magnetite fixture 21; The first bayonet socket 211; Connecting portion 212; Magnetite 22; The second bayonet socket 221; Magnetic conduction sheet 23; The first protuberance 231; The second protuberance 232; Backstay 24; Torsion spring 25; Fixed block 26; Alignment pin 27; Bearing A28; Bearing B29; Shell 30; Front end housing 31; Rear end cap 32.
The realization of the utility model purpose, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Describe the technical solution of the utility model in detail below with reference to drawings and the specific embodiments, so as clearer, understand invention essence of the present utility model intuitively.
As shown in Figure 1, the utility model provides a kind of sound wave motor, be applicable to acoustic toothbrush, it comprises stator, rotating shaft 20 and shell 30, this shell 30 has a front end housing 31 and a rear end cap 32, and described stator is fixedly installed in described shell 30, and described rotating shaft 20 is rotatably installed in described shell 30, and described rotating shaft 20 1 ends are provided with an axial hole 201, and the other end is stretched out by described front end housing 31.Preferably, described shell 30 is metal material, and material is aluminium AL6063.Due to stator and rotating shaft 20, opposite shell 30 are fixing respectively, so, its overall structure is firm, and good rigidly can be avoided the various faults that easily occur in use procedure, guarantee the performance that it is stable, simultaneously, this integrally-built motor, in the application of acoustic toothbrush, easier for installation, can improve assembling and production efficiency.
As better embodiment, be equipped with one in described axial hole 201 and can rotate with described rotating shaft 20 the location torsion spring 25 of the deformation that twists, one end of described location torsion spring 25 is arranged in described axial hole 201, and the other end is stretched out by described axial hole 201 and be fixing with described rear end cap 32.In the present embodiment, described location torsion spring 25 comprises backstay 24 and torsion spring 25, one end of described backstay 24 stretches to described axial hole 201 and is connected with described rotating shaft 20 by described torsion spring 25, the other end of described backstay 24 is fixedly connected with a fixed block 26, described fixed block 26 is fixing with described rear end cap 32 by an alignment pin 27, so, after electric motor starting, current time rotating shaft 20 forward rotation, torsion spring 25 on backstay 24 rotates and produces deformation with rotating shaft 20, at next constantly, rotating shaft 20 need to rotate backward (positive and negative alternate is realized swinging), now, because torsion spring 25 recovers deformation, rotating shaft 20 switches to rapidly and rotates backward with torsion spring 25 recovery deformation, its response speed is more accelerated, can improve vibration frequency.In addition, the location torsion spring 25 of this structure, simple in structure, and being linked and packed conveniently between rear end cap 32 and rotating shaft 20, accurate positioning, and after assembling, overall structure is firm, guarantees that its motor performance is stable.
Further, also be provided with magnetic conduction construction in rotating shaft 20 in described shell 30, described magnetic conduction construction comprises magnetite fixture 21, magnetite 22 and magnetic conduction sheet 23, wherein, magnetite fixture 21 generally can adopt material such as fire prevention nylon etc. to make, this magnetite fixture 21 is sheathed and be fixed in described rotating shaft 20, for example by injection mo(u)lding, make magnetite fixture 21 fixing with rotating shaft 20, in addition, magnetite fixture 21 both sides are respectively equipped with a described magnetite 22, the upper and lower surface of magnetite fixture 21 is respectively equipped with a described magnetic conduction sheet 23, described magnetic conduction sheet 23 is fixed by one first button bit with magnetite fixture 21, described magnetite 22 is fixed by one second button bit with described magnetite fixture 21.Concrete, described the first button bit comprises the first protuberance 231 that is arranged at described magnetic conduction sheet 23 centre positions, two ends and is arranged at first bayonet socket 211 that can engage with described the first protuberance 231 on described magnetite fixture 21; Described the second button bit comprises the second protuberance 232 that is arranged at described magnetic conduction sheet 23 outsides, two ends and is arranged at second bayonet socket 221 that can engage with described the second protuberance 232 on described magnetite 22.So, compact conformation is firm, also without other securing members, fixes, and assembles convenient.
Further, one end of described magnetite fixture 21 is provided with a junction 212, described connecting portion 212 is fixing by a bearing A28 and described rear end cap 32, the other end relative with described connecting portion 212 in described rotating shaft 20 is fixing by a bearing B29 and described front end housing 31, so, realize fixing between rotating shaft 20 and shell 30 and can rotate along axis sound construction, and the accurate positioning of rotating shaft 20.
In addition, in the present embodiment, described stator comprises a U-shaped magnetic conductor 10, coil holder 11 and coil 12, described coil holder 11 is sheathed on described U-shaped magnetic conductor 10 outsides, described coil 12 is wound on described coil holder 11, when stator is fixed in described shell 30 when interior, in 20 spaces that form between the uncovered position of U-shaped magnetic conductor 10 and housing of rotating shaft.Be understandable that, stator can be arbitrary conventional structure in this area.
In sum, sound wave motor of the present utility model has shell 30(and is generally metal material), stator and rotating shaft 20 are installed in shell 30, and its overall structure is firm, good rigidly, assembly and disassembly is convenient, accurate positioning, stable performance, in addition, forward and reverse rotation switching (swing) speed is fast.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (8)
1. a sound wave motor, be applicable to acoustic toothbrush, it comprises stator and rotating shaft, it is characterized in that: also comprise the shell with a front end housing and a rear end cap, described stator is fixedly installed in described shell, described rotating shaft is rotatably installed in described shell, and described rotating shaft one end is provided with an axial hole, and the other end is stretched out by described front end housing;
Be equipped with one in described axial hole and can rotate the location torsion spring of the deformation that twists with described rotating shaft, an end of described location torsion spring is arranged in described axial hole, and the other end is stretched out by described axial hole and fixes with described rear end cap.
2. sound wave motor according to claim 1, it is characterized in that: described location torsion spring comprises backstay and torsion spring, one end of described backstay stretches to described axial hole and is connected with described rotating shaft by described torsion spring, the other end of described backstay is fixedly connected with a fixed block, and described fixed block is fixed by an alignment pin and described rear end cap.
3. sound wave motor according to claim 1, it is characterized in that: the rotating shaft in described shell is provided with magnetic conduction construction, described magnetic conduction construction comprises magnetite fixture, magnetite and magnetic conduction sheet, wherein, described magnetite fixture is sheathed and be fixed in described rotating shaft, described magnetite fixture both sides are respectively equipped with a described magnetite, the upper and lower surface of described magnetite fixture is respectively equipped with a described magnetic conduction sheet, described magnetic conduction sheet and magnetite fixture are fixed by one first button bit, and described magnetite and described magnetite fixture are fixed by one second button bit.
4. sound wave motor according to claim 3, it is characterized in that: an end of described magnetite fixture is provided with a junction, described connecting portion is fixed by a bearing A and described rear end cap, and the other end relative with described connecting portion in described rotating shaft is fixed by a bearing B and described front end housing.
5. sound wave motor according to claim 3, it is characterized in that: described the first button bit comprises the first protuberance that is arranged at centre position, described magnetic conduction sheet two ends and is arranged at first bayonet socket that can engage with described the first protuberance on described magnetite fixture; Described the second button bit comprises the second protuberance that is arranged at the outside, described magnetic conduction sheet two ends and is arranged at second bayonet socket that can engage with described the second protuberance on described magnetite.
6. sound wave motor according to claim 1, it is characterized in that: described stator comprises a U-shaped magnetic conductor, coil holder and coil, and described coil holder is sheathed on described U-shaped magnetic conductor outside, and described coil winding is on described coil holder.
7. according to the described sound wave motor of claim 1-6 any one, it is characterized in that: described shell is aluminium.
8. sound wave motor according to claim 3 is characterized in that: described magnetite fixture is the fire prevention nylon material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320429016.5U CN203387324U (en) | 2013-07-18 | 2013-07-18 | Sound-wave motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320429016.5U CN203387324U (en) | 2013-07-18 | 2013-07-18 | Sound-wave motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387324U true CN203387324U (en) | 2014-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320429016.5U Expired - Lifetime CN203387324U (en) | 2013-07-18 | 2013-07-18 | Sound-wave motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN203387324U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939574A (en) * | 2014-03-13 | 2014-07-23 | 都佳宜电器制品（深圳）有限公司 | Acoustic wave motor |
| CN104882980A (en) * | 2015-06-04 | 2015-09-02 | 都佳宜电器制品（深圳）有限公司 | Sonic motor |
| CN106602833A (en) * | 2016-08-26 | 2017-04-26 | 雷细菊 | High-frequency vibration motor of electric toothbrush |
| CN109245372A (en) * | 2018-10-29 | 2019-01-18 | 深圳市艺峰马达配件有限公司 | A kind of fan brushless motor |
| CN110190722A (en) * | 2019-04-24 | 2019-08-30 | 深圳市德宝电机马达有限公司 | A kind of ultrasonic wave brushless motor |
-
2013
- 2013-07-18 CN CN201320429016.5U patent/CN203387324U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939574A (en) * | 2014-03-13 | 2014-07-23 | 都佳宜电器制品（深圳）有限公司 | Acoustic wave motor |
| CN103939574B (en) * | 2014-03-13 | 2016-08-24 | 都佳宜电器制品（深圳）有限公司 | Sound wave motor |
| CN104882980A (en) * | 2015-06-04 | 2015-09-02 | 都佳宜电器制品（深圳）有限公司 | Sonic motor |
| CN106602833A (en) * | 2016-08-26 | 2017-04-26 | 雷细菊 | High-frequency vibration motor of electric toothbrush |
| CN109245372A (en) * | 2018-10-29 | 2019-01-18 | 深圳市艺峰马达配件有限公司 | A kind of fan brushless motor |
| CN109245372B (en) * | 2018-10-29 | 2023-10-20 | 深圳市艺峰马达配件有限公司 | Brushless motor of fan |
| CN110190722A (en) * | 2019-04-24 | 2019-08-30 | 深圳市德宝电机马达有限公司 | A kind of ultrasonic wave brushless motor |
| CN110190722B (en) * | 2019-04-24 | 2024-09-03 | 深圳市德宝电机马达有限公司 | Ultrasonic brushless motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |
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| CX01 | Expiry of patent term |