CN109494958A - A kind of rotary actuator - Google Patents
A kind of rotary actuator Download PDFInfo
- Publication number
- CN109494958A CN109494958A CN201811583380.0A CN201811583380A CN109494958A CN 109494958 A CN109494958 A CN 109494958A CN 201811583380 A CN201811583380 A CN 201811583380A CN 109494958 A CN109494958 A CN 109494958A
- Authority
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- China
- Prior art keywords
- metallic
- positioning
- positionings
- rotary actuator
- insulating part
- 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
- 239000003292 glue Substances 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 11
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 208000010392 Bone Fractures Diseases 0.000 description 3
- 206010017076 Fracture Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 239000000606 toothpaste Substances 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
- H02K33/02—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moved one way by energisation of a single coil system and returned by mechanical force, e.g. by springs
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The present invention relates to electric toothbrush technology field more particularly to a kind of rotary actuators comprising installation shell, end cap, conducting wire and through end cap be fixed at installation housing accommodating chamber in rotor assembly and stator module；One end of shaft is each passed through insulating part and the first positioning glue part and stretches out from end cap, and the other end is pierced by from the bottom of installation shell；First metallic positioning is fixedly arranged on the first positioning glue part and connect with two coils；Two coils are correspondingly arranged in the limiting slot of insulating part；Two magnetic shoes of stator module are set to the two sides of insulating part, and the second metallic positioning is fixedly arranged on the second positioning glue part, and one end of metal connecting piece is connected to the first metallic positioning, the other end is connected to the second metallic positioning, and one end of conducting wire is connected to the second metallic positioning, and the other end passes through end cap, its risk for not only eliminating wire fracture improves reliability, and structure is simple, it is required at low cost, easy to use, the service life is long, and noise is small, using effect is good, can satisfy the market demand.
Description
Technical field
The present invention relates to electric toothbrush motor technologies field more particularly to a kind of rotary actuators.
Background technique
In recent years, electric toothbrush reduces tooth therefore scorching and tooth since it than ordinary toothbrush can more thoroughly remove plaque
Bleeding, can more scientific effectively tooth is cleaned and receive the masses and like.Its core component is the horse of electric toothbrush
It reaches, by powering to motor, drives the brush head of toothbrush to rotate or shake and decompose toothpaste and friction cleaning is carried out to tooth.
Common electric toothbrush sound wave motor in the market is rotated using magnetic interaction principle driving rotor, is then led to
It crosses reduction torsion spring reset workmanship and turns to original position again.The prior art mainly adopts be 2 pieces or muti-piece magnetite material or it is logical
Electromagnet after electricity generates magnetic field environment, and reduction torsion spring is then sleeved on rotor shaft, is fixed with screw or card slot.It is such
The elastic element of the motor of structure is not only vulnerable, and motor drive shaft swing angle is small, longer using the time so as to cause electric toothbrush
Later because of connection loosing, the service life of motor is shortened, it is required at high cost, and motor running sound control is not ideal enough,
Influence the using effect of electric toothbrush.
Summary of the invention
In order to overcome the above technical defects, the object of the present invention is to provide a kind of rotary actuator, conducting wire is not only eliminated
The risk of fracture improves reliability, and structure is simple, and required at low cost, easy to use, the service life is long, and noise is small, using effect
It is good, it can satisfy the market demand.
To achieve the above object, the present invention is achieved by the following technical programs:
A kind of rotary actuator, including installation shell, end cap and are fixed at installation shell appearance through the end cap at conducting wire
Receive intracavitary rotor assembly and stator module；
The rotor assembly include insulating part, shaft, two coils, first positioning glue part, two the first metallic positionings and
Two metal connecting pieces；One end of the shaft is each passed through the insulating part and the first positioning glue part and from the end cap
Upper stretching, the other end are pierced by from the bottom of the installation shell；Two first metallic positionings are fixedly arranged on described respectively
It connect on first positioning glue part and with two coils respectively；Two coils are correspondingly arranged in the limiting slot of the insulating part；
The stator module includes two magnetic shoes, the second positioning glue part and two the second metallic positionings, two magnetic shoes point
It is not correspondingly arranged at the two sides of the insulating part, two the second metallic positionings are fixedly arranged on respectively on the second positioning glue part, institute
The second positioning glue part is stated to be sheathed on the first positioning glue part；
One end of two metal connecting pieces is connected to two first metallic positionings, and the other end connects respectively
Two second metallic positionings are connected to, one end of the conducting wire is connected to two the second metal positioning
Part, the other end are each passed through the end cap.
More preferably, the shaft is equipped with two casings, and two casings set the rotor assembly and stator module positioning
In in the shaft.
More preferably, the shaft is equipped with two bearings, and installation shell positioning is set in the shaft by two bearings.
More preferably, two metal connecting pieces are respectively electrically conductive metal spring piece.
More preferably, two metal connecting pieces are respectively tension spring.
More preferably, two first metallic positionings and two second metallic positionings are respectively electrically conductive metal
Pin.
More preferably, two first metallic positionings and two second metallic positionings are respectively copper pin.
More preferably, the insulating part is " I " fonts insulating part.
More preferably, the insulating part is the silicon steel sheet that electro-insulating rubber part or surface are equipped with insulating coating.
More preferably, the coating on the silicon steel sheet is polytetrafluorethylecoatings coatings, with a thickness of 0.1~0.3mm.
In conclusion the invention has the advantages that
1, the coil of rotor assembly is energized to by electrically conductive metallic pin and conductive tension spring, coil movement and extraction wire are not
Movement eliminates the risk of wire fracture, improves reliability, and the service life is long, noise is small, and using effect is good.
2, relative to existing spring motor, the structure is simpler, reduces cost, because the structure of this spring designs, spring
Material internal generate internal stress be it is the smallest, spring life is higher.
3, two magnetic shoes are respectively correspondingly arranged in the two sides of insulating part, do not use the structure of integral type, structure is simple, and is convenient for
Assembling, disassembly and use；
4, insulating part is designed using " I " fonts, and insulating part is the silicon steel that electro-insulating rubber part or surface are equipped with insulating coating
Piece increases the amplitude of oscillation of shaft, and easy to use, extends service life, reduces noise, and using effect is good, meets market
Demand.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is configuration schematic diagram of the invention；
Fig. 3 is the sectional view in Fig. 1 along line A-A；
Fig. 4 is the sectional view in Fig. 1 along line B-B；
Fig. 5 is existing spring motor and embodiment one and the progress relevant experimental data comparison of embodiment two in the present invention
Table.
100, installation shell, 101, end cap, 102, bearing, 200, rotor assembly, 201, insulating part, 202, shaft, 203,
Coil, the 204, first positioning glue part, the 205, first metallic positioning, 206, metal connecting piece, 300, stator module, 301, magnetic
Watt, the 302, second positioning glue part, the 303, second metallic positioning, 400, conducting wire, 500, casing, 600, bearing.
Specific embodiment
Invention is further described below in conjunction with attached drawing and specific embodiment:
Embodiment 1:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of rotary actuator, including installation shell 100, end cap 101, conducting wire 400 and
The rotor assembly 200 and stator module 300 in installation 100 accommodating chamber of shell are fixed at through the end cap 101；
The rotor assembly 200 includes insulating part 201, shaft 202, two coils 203, first positioning glue part 204, two the
One metallic positioning 205 and two metal connecting pieces 206；One end of the shaft 202 is each passed through the insulating part 201 and institute
It states the first positioning glue part 204 and is stretched out from the end cap 101, the other end is pierced by from the bottom of the installation shell 100；Two
A first metallic positioning 205 is fixedly arranged on the first positioning glue part 204 respectively and connects respectively with two coils 203
It connects；Two coils 203 are correspondingly arranged in the limiting slot of the insulating part 201；
The stator module 300 includes that two magnetic shoes 301, second position glue part 302 and two the second metallic positionings 303,
Two magnetic shoes 301 are respectively correspondingly arranged in the two sides of the insulating part 201, and two the second metallic positionings 303 are fixedly arranged on respectively
On the second positioning glue part 302, the second positioning glue part 302 is sheathed on the first positioning glue part 204；
One end of two metal connecting pieces 206 is connected to two first metallic positionings 205, the other end
Two second metallic positionings 303 are connected to, one end of the conducting wire 400 is connected to two described
Two metallic positionings 303, the other end are each passed through the end cap 101.
Wherein, the shaft 202 is equipped with two casings 500, and two casings 500 are by the rotor assembly 200 and the stator
The positioning of component 300 is set in the shaft 202.
Wherein, the shaft 202 is equipped with two bearings 600, and the installation shell 100 positioning is set to institute by two bearings 600
It states in shaft 202.
Wherein, two metal connecting pieces 206 are respectively electrically conductive metal spring piece.
Wherein, two metal connecting pieces 206 are respectively tension spring.
Wherein, two first metallic positionings 205 and two second metallic positionings 303 are respectively electrically conductive
Metallic pin.
Wherein, two first metallic positionings 205 and two second metallic positionings 303 are respectively copper pin.
Wherein, the insulating part 201 is " I " fonts insulating part.
Wherein, the insulating part 201 is electro-insulating rubber part, not only reduces the cost of manufacture of this motor, and is accelerated anti-
It answers speed, improve vibration frequency, and extend service life.
Working principle are as follows: by there is the wiring board of intrinsic frequency Switching power positive and negative anodes to power (every paper money 50-80 times), rotor
Two coils 203 on component 200 it is electric after generate electromagnetic force, generate deflection with two magneto magnetic shoes 301 of stator module 300
Movement；Two the first metallic positioning metallic pins 205 and the second positioning glue part 302 on the first positioning glue part 204 are driven respectively
On two 303 diameters of the second metallic positioning metallic pin and one end of two metal connecting piece tension springs 206 make radial deflection, with
The increasing of deflection angle, the pulling force of two metal connecting piece tension springs 206, which also synchronizes, to become larger, when pulling force is greater than coil 203 and magnetic shoe
301 generate electromagnetic force when, rotor assembly 200 stops operating, coil 203 it is reversed it is electric when, generate opposite movement, so week
And renew, form the reciprocal radial amplitude of oscillation movement of 200 relative stator component 300 of rotor assembly.
Embodiment 2:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of rotary actuator, including installation shell 100, end cap 101, conducting wire 400 and
The rotor assembly 200 and stator module 300 in installation 100 accommodating chamber of shell are fixed at through the end cap 101；
The rotor assembly 200 includes insulating part 201, shaft 202, two coils 203, first positioning glue part 204, two the
One metallic positioning 205 and two metal connecting pieces 206；One end of the shaft 202 is each passed through the insulating part 201 and institute
It states the first positioning glue part 204 and is stretched out from the end cap 101, the other end is pierced by from the bottom of the installation shell 100；Two
A first metallic positioning 205 is fixedly arranged on the first positioning glue part 204 respectively and connects respectively with two coils 203
It connects；Two coils 203 are correspondingly arranged in the limiting slot of the insulating part 201；
The stator module 300 includes that two magnetic shoes 301, second position glue part 302 and two the second metallic positionings 303,
Two magnetic shoes 301 are respectively correspondingly arranged in the two sides of the insulating part 201, and two the second metallic positionings 303 are fixedly arranged on respectively
On the second positioning glue part 302, the second positioning glue part 302 is sheathed on the first positioning glue part 204；
One end of two metal connecting pieces 206 is connected to two first metallic positionings 205, the other end
Two second metallic positionings 303 are connected to, one end of the conducting wire 400 is connected to two described
Two metallic positionings 303, the other end are each passed through the end cap 101.
Wherein, the shaft 202 is equipped with two casings 500, and two casings 500 are by the rotor assembly 200 and the stator
The positioning of component 300 is set in the shaft 202.
Wherein, the shaft 202 is equipped with two bearings 600, and the installation shell 100 positioning is set to institute by two bearings 600
It states in shaft 202.
Wherein, two metal connecting pieces 206 are respectively electrically conductive metal spring piece.
Wherein, two metal connecting pieces 206 are respectively tension spring.
Wherein, two first metallic positionings 205 and two second metallic positionings 303 are respectively electrically conductive
Metallic pin.
Wherein, two first metallic positionings 205 and two second metallic positionings 303 are respectively copper pin.
Wherein, the insulating part 201 is " I " fonts insulating part.
Wherein, the insulating part 201 is the silicon steel sheet that surface is equipped with insulating coating.
Wherein, the coating on the silicon steel sheet is polytetrafluorethylecoatings coatings, with a thickness of 0.1~0.3mm.
The working principle and embodiment one of the present embodiment are identical, and only insulating part 201 is the silicon that surface is equipped with insulating coating
Steel disc, the coating on silicon steel sheet is polytetrafluorethylecoatings coatings, with a thickness of 0.1~0.3mm, the design accelerate reaction speed,
Vibration frequency is improved, and structure is simple, easy to use, the service life is long, and noise is small, and using effect is good, can satisfy the market demand.
In order to test the service life of rotary actuator in the present invention, the special embodiment in existing spring motor and the present invention
One and embodiment two carry out related experiment；
Test purpose: for toothbrush motor continuous service for a period of time after, there is torsion reduction, swinging pair degree is not advised
Then, noise increase or shut down phenomenon, examine day inspire confidence in motor exploitation magnetic suspension motor to these characteristics either with or without improvement；
Test method: using analog controller, and the power supply of controller exports 50-80 times per second energization frequency.Motor dress
With after head toothbrushes it is every operation 50 hours after, additionally on the head apply 200g pressure load detection motor working torque forces and
Noise.
Its specific data is as shown in Figure 5.
In conclusion its coil for being energized to rotor assembly by electrically conductive metallic pin and conductive tension spring of the present invention, coil
Movement and extraction wire does not move, eliminate the risk of wire fracture, improve reliability, and the service life is long, noise is small, using effect
It is good.
And relative to existing spring motor, the structure is simpler, reduces cost, because the structure of this spring designs, spring
Material internal generate internal stress be it is the smallest, spring life is higher.
In addition, two magnetic shoes are respectively correspondingly arranged in the two sides of insulating part, the structure of integral type is not used, structure is simple, and
Convenient for assembling, disassembly and use.
In addition, insulating part is designed using " I " fonts, insulating part is the silicon that electro-insulating rubber part or surface are equipped with insulating coating
Steel disc increases the amplitude of oscillation of shaft, and easy to use, extends service life, reduces noise, and using effect is good, meets city
Field demand.
For those skilled in the art, it is various corresponding that other can be made according to above technical scheme and design
Change and deformation, and all these change and modification all should belong within the scope of protection of the claims of the present invention.
Claims (10)
1. a kind of rotary actuator, including installation shell (100), end cap (101), conducting wire (400) and fixed through the end cap (101)
Rotor assembly (200) and stator module (300) in described installation shell (100) accommodating chamber, it is characterised in that:
The rotor assembly (200) include insulating part (201), shaft (202), two coils (203), first positioning glue part (204),
Two the first metallic positionings (205) and two metal connecting pieces (206)；One end of the shaft (202) is each passed through described
Insulating part (201) and first positioning glue part (204) are simultaneously stretched out from the end cap (101), and the other end is from the installation
The bottom of shell (100) is pierced by；Two first metallic positionings (205) are fixedly arranged on the first positioning glue part respectively
(204) it is connect on and respectively with two coils (203)；Two coils (203) are correspondingly arranged at the limit of the insulating part (201)
In the slot of position；
The stator module (300) includes two magnetic shoes (301), the second positioning glue part (302) and two the second metallic positionings
(303), two magnetic shoes (301) are respectively correspondingly arranged in the two sides of the insulating part (201), two the second metallic positionings
(303) it is fixedly arranged on respectively in second positioning glue part (302), it is fixed that second positioning glue part (302) is sheathed on described first
On position glue part (204)；
One end of two metal connecting pieces (206) is connected to two first metallic positionings (205), the other end
Two second metallic positionings (303) are connected to, one end of the conducting wire (400) is connected to two institutes
It states the second metallic positioning (303), the other end is each passed through the end cap (101).
2. rotary actuator according to claim 1, it is characterised in that: the shaft (202) is equipped with two casings (500),
The rotor assembly (200) and the stator module (300) positioning are set on the shaft (202) by two casings (500).
3. rotary actuator according to claim 1, it is characterised in that: the shaft (202) is equipped with two bearings (600),
The installation shell (100) positioning is set on the shaft (202) by two bearings (600).
4. rotary actuator according to claim 1, it is characterised in that: two metal connecting pieces (206) are respectively can
Conductive metal elastic component.
5. rotary actuator according to claim 4, it is characterised in that: two metal connecting pieces (206) are respectively to draw
Spring.
6. rotary actuator according to claim 1, it is characterised in that: two first metallic positionings (205) and two
A second metallic positioning (303) is respectively electrically conductive metallic pin.
7. rotary actuator according to claim 6, it is characterised in that: two first metallic positionings (205) and two
A second metallic positioning (303) is respectively copper pin.
8. rotary actuator according to claim 1, it is characterised in that: the insulating part (201) is " I " fonts insulating part.
9. rotary actuator according to claim 8, it is characterised in that: the insulating part (201) is electro-insulating rubber part or table
Face is equipped with the silicon steel sheet of insulating coating.
10. rotary actuator according to claim 9, it is characterised in that: the coating on the silicon steel sheet is polytetrafluoroethylene (PTFE)
Coating, with a thickness of 0.1~0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583380.0A CN109494958B (en) | 2018-12-24 | 2018-12-24 | Swing motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811583380.0A CN109494958B (en) | 2018-12-24 | 2018-12-24 | Swing motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109494958A true CN109494958A (en) | 2019-03-19 |
| CN109494958B CN109494958B (en) | 2023-11-24 |
Family
ID=65711555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811583380.0A Active CN109494958B (en) | 2018-12-24 | 2018-12-24 | Swing motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494958B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654176A (en) * | 2020-06-24 | 2020-09-11 | 庞茂强 | Novel vibration micromotor |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090131388A (en) * | 2008-06-18 | 2009-12-29 | 전진영 | Vibration motor |
| DE102015108207A1 (en) * | 2015-01-27 | 2016-07-28 | Ningbo Seago Electric Co., Ltd. | ENGINE |
| CN105375675A (en) * | 2015-11-06 | 2016-03-02 | 浙江省东阳市诚基电机有限公司 | SMT vibration motor structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111654176A (en) * | 2020-06-24 | 2020-09-11 | 庞茂强 | Novel vibration micromotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109494958B (en) | 2023-11-24 |
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