CN106109040A - A kind of resonant acoustic wave toothbrush - Google Patents
A kind of resonant acoustic wave toothbrush Download PDFInfo
- Publication number
- CN106109040A CN106109040A CN201610743139.4A CN201610743139A CN106109040A CN 106109040 A CN106109040 A CN 106109040A CN 201610743139 A CN201610743139 A CN 201610743139A CN 106109040 A CN106109040 A CN 106109040A
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- China
- Prior art keywords
- main shaft
- magnet
- acoustic wave
- resonant acoustic
- draw
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/221—Control arrangements therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
- A61C17/34—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/17—Stator cores with permanent magnets
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushes (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The invention discloses a kind of resonant acoustic wave toothbrush, for stopping the not rotation phenomenon that the main shaft of above-mentioned acoustic toothbrush is likely to occur, described permanent magnet assembly includes magnetic core and Magnet, described magnetic core is fixed on main shaft, described magnetic core outer wall Circle-Array shows at least two draw-in groove, installing two Magnet in each described draw-in groove, along main shaft radially, the S pole of another described magnet is along main shaft radially in the N pole of one of them described magnet.Two contrary Magnet of magnetic pole are installed in a draw-in groove on magnetic core of the present invention, magnetic field produced by stator winding is attracting with a Magnet, repels each other with another Magnet, and self-assembling formation torque drives main shaft to rotate, not havinging unstable equilibrium point, the reciprocating rotation of main shaft is the most more stable.
Description
Technical field
The present invention relates to personal-care supplies field, be specifically related to a kind of resonant acoustic wave toothbrush.
Background technology
Acoustic toothbrush is a kind of to mix sound wave science and technology novel toothbrush in mouth care, and head toothbrushes shakes by the frequency of design
Dynamic, produce the ultrasonic frequency vibrations with sound wave as energy, reach to clean the purpose of tooth.
The patent of invention of Authorization Notice No. CN205336076U discloses a kind of high-frequency resonant agitator for toothbrush, bag
Include coil windings, housing, main shaft, permanent magnet assembly, and be applied to coil windings also with the form pumping signal of alternating current
Producing the electric control gear of N pole and the conversion of S extremely high frequency, coil windings circle distribution is in the periphery of permanent magnet assembly;Coil windings
Alternating current high frequency changes, and its N pole changes the most therewith with the polarity of S pole, and the permanent magnet assembly effect with being fixed on main shaft makes
Deflecting of moving in circles of main shaft, thus play the effect of dither.
Above-mentioned patent is compared with the tradition mechanism such as eccentric, turbine, and efficiency is compared with high and noise is little, but its permanent magnet assembly
Polarity arrangement single, when the center superposition of center and the permanent magnet assembly magnetic line of force of the coil windings magnetic line of force, set of permanent magnets
Part is now in a unstable equilibrium point, it is possible that the feelings that coil windings pole change but permanent magnet assembly do not rotate
Condition;And the magnetic line of force of coil windings is open, leakage field phenomenon is serious, and coil windings can consume more electric energy.
Summary of the invention
In order to stop the not rotation phenomenon that the main shaft of above-mentioned acoustic toothbrush is likely to occur, the invention provides a kind of permanent magnet
Assembly is combined the resonant acoustic wave toothbrush of layout.
The technical solution used in the present invention is as follows:
A kind of resonant acoustic wave toothbrush, including housing, stator winding, main shaft, permanent magnet assembly and electric control gear, permanent magnet assembly is solid
Being scheduled on main shaft, stator module is arranged in housing and is arranged in the periphery of permanent magnet assembly, electric control gear act on stator around
To produce the magnetic field of magnetic pole high frequency conversion in group, described permanent magnet assembly includes that magnetic core and Magnet, described magnetic core are fixed on main shaft
On, described magnetic core outer wall Circle-Array shows at least two draw-in groove, installs two Magnet in each described draw-in groove, described in one of them
Along main shaft radially, the S pole of another described magnet is along main shaft radially in the N pole of magnet.
Described stator winding includes that stator core and coil, described stator core cross section are square shape, the coiling respectively of described coil
On two relative limits;Described magnetic core is provided with two draw-in grooves, the magnet in two described draw-in grooves along the axially symmetric of main shaft
N-S pole orientation be also arranged symmetrically with.
Described magnetic core includes that the support member in two H cross sections, described magnet are arranged in the draw-in groove in H cross section, described support member
Be respectively arranged at the two ends with an end cap.
Described support member is made up of multilamellar silicon steel laminations, and described support member includes independent two parts, described support member
Between two parts, the both sides at magnet are provided with baffle plate.
Described stator core is made up of U-shaped silicon steel laminations.
Described shell end is provided with tail-hood, also includes shell fragment, and one end of described shell fragment is fixed on the tail end of main shaft, another
End is fixed on tail-hood.
Described main shaft, permanent magnet assembly, shell fragment composition rotor, the natural frequency of described rotor becomes with the magnetic field of stator winding
Change frequency identical.
The tail end of described main shaft is provided with open slot, and described tail-hood is provided with inserting groove, and described shell fragment one end is plugged on open slot
In, the other end is plugged in inserting groove, and described shell fragment and inserting groove utilize fastened by screw.
Described main shaft is connected to retainer ring in the outer cover of open slot.
An oiliness bearing is respectively installed at the rear end of described main shaft and middle part, and the outer ring of described oiliness bearing is separately mounted to tail
On lid and housing.
The invention has the beneficial effects as follows:
Two contrary Magnet of magnetic pole are installed, magnetic field and one produced by stator winding in a draw-in groove on magnetic core of the present invention
Individual Magnet is attracting, repels each other with another Magnet, and self-assembling formation torque drives main shaft to rotate, and does not haves unstable equilibrium point, main
The reciprocating rotation of axle is the most more stable.
Accompanying drawing explanation
Fig. 1 is the appearance schematic diagram of the embodiment of the present invention one.
Fig. 2 is the exploded perspective view of the embodiment of the present invention one.
Fig. 3 is the shaft section schematic diagram of the embodiment of the present invention one
Fig. 4 is the cross sectional representation of the embodiment of the present invention one.
Fig. 5 is the exploded perspective view of magnetic core in the embodiment of the present invention one.
Fig. 6 is cross sectional representation during stator winding magnetic pole switching in the embodiment of the present invention one.
The cross sectional representation of another state when Fig. 7 is stator winding magnetic pole switching in the embodiment of the present invention one.
Fig. 8 is the exploded perspective view of magnetic core in the embodiment of the present invention two.
Housing 1, stator winding 2, main shaft 3, permanent magnet assembly 4, magnetic core 5, Magnet 6, stator core 7, coil 8, tail-hood 9, have
Shell fragment 10, open slot 11, inserting groove 12, screw 13, oiliness bearing 14, retainer ring 15, support member 16, baffle plate 17, end cap 18.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
In embodiment one, as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of resonant acoustic wave toothbrush, including housing 1, stator winding
2, main shaft 3, permanent magnet assembly 4 and electric control gear, permanent magnet assembly 4 is fixed on main shaft 3, and stator module 2 is arranged in housing 1
And it being arranged in the periphery of permanent magnet assembly 4, electric control gear acts on stator winding 2 to produce the magnetic field of magnetic pole high frequency conversion;
Described permanent magnet assembly 4 includes magnetic core 5 and Magnet 6, and described magnetic core 5 is fixed on main shaft 3, described magnetic core 5 outer wall circumference array
Having at least two draw-in groove groove, install two Magnet 6 in each described draw-in groove, the N pole of one of them described magnet 6 is along main shaft 3
Radially, the S pole of another described magnet 6 is along main shaft 3 radially.The present embodiment one, in a draw-in groove on magnetic core 5
Being provided with two contrary Magnet of magnetic pole 6, magnetic field produced by stator winding 2 is attracting with a Magnet 6, with another Magnet 6
Repelling each other, self-assembling formation torque drives main shaft 3 to rotate, and does not haves unstable equilibrium point, and the reciprocating rotation of main shaft 3 is also the most steady
Fixed.
In embodiment one, as shown in Figure 2, Figure 3, Figure 4, described stator winding 2 includes stator core 7 and coil 8, described stator
Core 7 cross section is square shape, and described coil 8 is wound on relative two limit respectively;Axially symmetric along main shaft 3 of described magnetic core 5
Being provided with two draw-in grooves, the N-S pole orientation of the magnet 6 in two described draw-in grooves is also arranged symmetrically with.The present embodiment one structure, fixed
Sub-winding 2 constitutes the toroidal magnet of a pole orientation high frequency change, and during main shaft 3 resonance, leakage field is few, more power saving.
In embodiment one, as shown in Fig. 2, Fig. 3, Fig. 5, described magnetic core 5 includes that the support member 16 in H cross section, described magnet 6 are pacified
Be contained in the draw-in groove in H cross section, described support member 16 be respectively arranged at the two ends with an end cap 18.The present embodiment one structure, support member 16
Constituting the magnetic core 5 of frame-type together with end cap 18, magnet 6 forms good field circuit in magnetic conduction sheet 17, can stator around
Reciprocating rotary stable under organizing about 2 magnetic fields.
In embodiment one, as shown in Figure 2, Figure 3, Figure 4, described stator core 7 is made up of U-shaped silicon steel laminations.The present embodiment one
Structure, assembled stator core 7 can make coil 8 can separate coiling combination installation, easy to process, efficient.
In embodiment one, as shown in Figure 2 and Figure 3, described housing 1 end is provided with tail-hood 9, also includes shell fragment 10, described bullet
One end of sheet 10 is fixed on the tail end of main shaft 3, and the other end is fixed on tail-hood 9.The shell fragment 10 of the present embodiment one is at main shaft 3 just
To, reversely deflect time, play the purpose effectively limiting main shaft deflection angle, and main shaft 3 forward, reversely deflection also functioned to auxiliary
Effect.
In embodiment one, as shown in Figure 2 and Figure 3, described main shaft 3, permanent magnet assembly 4, shell fragment 10 form rotor, described turn
The natural frequency of son is identical with the changes of magnetic field frequency of stator winding 2.The present embodiment one structure, rotor constitutes system resonance, main
Axle 3 just can reach maximum amplitude, reach the purpose of energy efficiency under minimum energy expenditure.
In embodiment one, as shown in Figure 2 and Figure 3, the tail end of described main shaft 3 is provided with open slot 11, and described tail-hood 9 is provided with slotting
Access slot 12, described shell fragment 10 one end is plugged in open slot 11, and the other end is plugged in inserting groove 12, described shell fragment 10 and grafting
Groove 12 utilizes screw 13 to fasten.The present embodiment one structure, shell fragment 10 is easy for installation, firm.
In embodiment one, as shown in Figure 2 and Figure 3, described main shaft 3 is connected to retainer ring 15 in the outer cover of open slot 11.This reality
Execute the retainer ring 15 of example one, make open slot 11 become square hole and fasten with shell fragment 10, both can fixation spring tab 10 well, it is also possible to
Prevent open slot 11 from deforming, cause installation difficulty.
In embodiment one, as shown in Figure 2, Figure 3, Figure 4, an oiliness bearing is respectively installed at the rear end of described main shaft 3 and middle part
14, the outer ring of described oiliness bearing 14 is separately mounted on tail-hood 9 and housing 1.The present embodiment one, preferably oiliness bearing 14, can
Reducing the overall dimensions of toothbrush, profile is the most attractive in appearance.
In embodiment one, as shown in Figure 6, Figure 7, stator winding 2 changes at electric control gear lower magnetic pole, with set of permanent magnets
Part 4 interacts, and can reach reciprocating purpose, and the Magnet 6 that in a draw-in groove, two magnetic poles are contrary, two differences
Reverse power self-assembling formation torque drives main shaft 3 to rotate, and process is more stable reliably.
In embodiment two, as shown in Figure 8, described support member 16 is made up of multilamellar silicon steel laminations, and described support member 16 includes
Independent two parts, are provided with baffle plate 17 in the both sides of magnet 6 between two parts of described support member 16.The support of the present embodiment two
Part 16 1 is that processing is easy to assembly, and by closed assembly after lamination punching press, two is to assemble with baffle plate 17, reduces cost.
Obviously, the above embodiment of the present invention is intended to be merely illustrative of the present example, and not to the present invention
The restriction of embodiment.For those of ordinary skill in the field, can also make on the basis of the above description
The change of other multi-forms or variation.Here without also all of embodiment being given poor example.And these belong to this
Obvious change or variation that the connotation of invention is amplified out still fall within protection scope of the present invention.
Claims (10)
1. a resonant acoustic wave toothbrush, including housing (1), stator winding (2), main shaft (3), permanent magnet assembly (4) and automatically controlled dress
Putting, permanent magnet assembly (4) is fixed on main shaft (3), and stator module (2) is arranged in housing (1) and is arranged in permanent magnet assembly
(4) periphery, electric control gear acts on stator winding (2) to produce the magnetic field of magnetic pole high frequency conversion, it is characterised in that: described
Permanent magnet assembly (4) includes magnetic core (5) and Magnet (6), and described magnetic core (5) is fixed on main shaft (3), described magnetic core (5) outer wall
Circle-Array shows at least two draw-in groove, installs two Magnet (6), the N of one of them described magnet (6) in each described draw-in groove
Along main shaft (3) radially, the S pole of another described magnet (6) is along main shaft (3) radially in pole.
Resonant acoustic wave toothbrush the most according to claim 1, it is characterised in that: described stator winding (2) includes stator core (7)
With coil (8), described stator core (7) cross section is square shape, and described coil (8) is wound on relative two limit respectively;Described
Magnetic core (5) is provided with two draw-in grooves along the axially symmetric of main shaft (3), the N-S pole orientation of the magnet (6) in two described draw-in grooves
Also it is arranged symmetrically with.
Resonant acoustic wave toothbrush the most according to claim 2, it is characterised in that: described magnetic core (5) includes the support member in H cross section
(16), described magnet (6) is arranged in the draw-in groove in H cross section, described support member (16) be respectively arranged at the two ends with an end cap (18).
Resonant acoustic wave toothbrush the most according to claim 3, it is characterised in that: described support member (16) is by multilamellar silicon steel laminations
Composition, described support member (16) includes independent two parts, in the both sides of magnet (6) between two parts of described support member (16)
It is provided with baffle plate (17).
Resonant acoustic wave toothbrush the most according to claim 2, it is characterised in that: described stator core (7) is by U-shaped silicon steel laminations group
Become.
Resonant acoustic wave toothbrush the most according to claim 1, it is characterised in that: described housing (1) end is provided with tail-hood (9),
Also including shell fragment (10), one end of described shell fragment (10) is fixed on the tail end of main shaft (3), and the other end is fixed on tail-hood (9).
Resonant acoustic wave toothbrush the most according to claim 6, it is characterised in that: described main shaft (3), permanent magnet assembly (4), bullet
Sheet (10) composition rotor, the natural frequency of described rotor is identical with the changes of magnetic field frequency of stator winding (2).
8. according to the resonant acoustic wave toothbrush described in claim 6 or 7, it is characterised in that: the tail end of described main shaft (3) is provided with opening
Groove (11), described tail-hood (9) is provided with inserting groove (12), and described shell fragment (10) one end is plugged in open slot (11), and the other end is inserted
Being connected in inserting groove (12), described shell fragment (10) and inserting groove (12) utilize screw (13) to fasten.
Resonant acoustic wave toothbrush the most according to claim 8, it is characterised in that: described main shaft (3) is outside open slot (11)
Portion is socketed with retainer ring (15).
10. according to the resonant acoustic wave toothbrush described in claim 6 or 7, it is characterised in that: the rear end of described main shaft (3) and middle part
One oiliness bearing (14) of each installation, the outer ring of described oiliness bearing (14) is separately mounted on tail-hood (9) and housing (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201610743139.4A CN106109040B (en) | 2016-08-29 | 2016-08-29 | A kind of resonant acoustic wave toothbrush |
Applications Claiming Priority (1)
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CN201610743139.4A CN106109040B (en) | 2016-08-29 | 2016-08-29 | A kind of resonant acoustic wave toothbrush |
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CN106109040A true CN106109040A (en) | 2016-11-16 |
CN106109040B CN106109040B (en) | 2018-06-29 |
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CN201610743139.4A Active CN106109040B (en) | 2016-08-29 | 2016-08-29 | A kind of resonant acoustic wave toothbrush |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107070308A (en) * | 2017-05-12 | 2017-08-18 | 温州伏尔特电子科技有限公司 | A kind of magnetic suspension vibrating motor |
CN112569014A (en) * | 2019-09-30 | 2021-03-30 | 洁碧有限公司 | Electric tooth brush |
Citations (6)
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JP2010125263A (en) * | 2008-12-01 | 2010-06-10 | Asahi Irika Kk | Electric toothbrush |
CN203674948U (en) * | 2013-09-03 | 2014-06-25 | 张立武 | Vibration electromotor for electric toothbrush |
CN104578668A (en) * | 2015-02-03 | 2015-04-29 | 朱忠磊 | Small-sized high-frequency vibration device |
DE202015102675U1 (en) * | 2015-05-25 | 2015-07-28 | Ningbo Seago Electric Co., Ltd. | engine |
CN105434076A (en) * | 2015-12-09 | 2016-03-30 | 惠州欧捷威电器有限公司 | Sonic teeth cleaning apparatus |
CN205359333U (en) * | 2015-12-18 | 2016-07-06 | 惠州欧捷威电器有限公司 | Electronic acoustic vibration's facial cleaning brush |
-
2016
- 2016-08-29 CN CN201610743139.4A patent/CN106109040B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010125263A (en) * | 2008-12-01 | 2010-06-10 | Asahi Irika Kk | Electric toothbrush |
CN203674948U (en) * | 2013-09-03 | 2014-06-25 | 张立武 | Vibration electromotor for electric toothbrush |
CN104578668A (en) * | 2015-02-03 | 2015-04-29 | 朱忠磊 | Small-sized high-frequency vibration device |
DE202015102675U1 (en) * | 2015-05-25 | 2015-07-28 | Ningbo Seago Electric Co., Ltd. | engine |
CN105434076A (en) * | 2015-12-09 | 2016-03-30 | 惠州欧捷威电器有限公司 | Sonic teeth cleaning apparatus |
CN205359333U (en) * | 2015-12-18 | 2016-07-06 | 惠州欧捷威电器有限公司 | Electronic acoustic vibration's facial cleaning brush |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107070308A (en) * | 2017-05-12 | 2017-08-18 | 温州伏尔特电子科技有限公司 | A kind of magnetic suspension vibrating motor |
CN107070308B (en) * | 2017-05-12 | 2024-04-05 | 温州伏尔特电子科技有限公司 | Magnetic suspension vibration motor |
CN112569014A (en) * | 2019-09-30 | 2021-03-30 | 洁碧有限公司 | Electric tooth brush |
WO2021067019A1 (en) * | 2019-09-30 | 2021-04-08 | Water Pik, Inc. | Electric toothbrush |
US11864965B2 (en) | 2019-09-30 | 2024-01-09 | Water Pik, Inc. | Electric toothbrush |
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CN106109040B (en) | 2018-06-29 |
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