CN108720953A - A kind of electric toothbrush - Google Patents

A kind of electric toothbrush Download PDF

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Publication number
CN108720953A
CN108720953A CN201810397292.5A CN201810397292A CN108720953A CN 108720953 A CN108720953 A CN 108720953A CN 201810397292 A CN201810397292 A CN 201810397292A CN 108720953 A CN108720953 A CN 108720953A
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CN
China
Prior art keywords
protective case
sheave
oscillating rod
positioning
locating rack
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.)
Granted
Application number
CN201810397292.5A
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Chinese (zh)
Other versions
CN108720953B (en
Inventor
程秋余
叶常明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO ZHENHE ELECTRICAL EQUIPMENT CO Ltd
Original Assignee
NINGBO ZHENHE ELECTRICAL EQUIPMENT CO Ltd
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Publication of CN108720953A publication Critical patent/CN108720953A/en
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Publication of CN108720953B publication Critical patent/CN108720953B/en
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16Power-driven cleaning or polishing devices
    • A61C17/22Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/32Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
    • A61C17/34Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor
    • A61C17/3409Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating driven by electric motor characterized by the movement of the brush body
    • A61C17/3454Translation along the axis perpendicular of the axis of toothbrush handle and in the plane defined by the bristle holder

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  • 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)
  • Brushes (AREA)

Abstract

A kind of electric toothbrush, including shell and head toothbrushes are equipped with motor, oscillating rod and transmission mechanism in shell, and transmission mechanism includes:Sheave is co-axially located above motor and can be rotated with motor, and the upper surface of sheave is recessed with sliding slot, and sliding slot is curved groove;Locating rack, positioning are arranged above sheave, and locating rack upper end is convexly equipped with the circular groove with sheave bias, and the first rolling bearing is equipped in circular groove;Wobble crank, wobble crank lower end is arranged equipped with Pivot axle on the endoporus of the first rolling bearing, the lower end of wobble crank is equipped with slide-bar, it sets in sliding slot the lower end of slide-bar, the upper end of wobble crank is equipped with the location hole planted for oscillating rod, when the rotation of sheave, by sliding slot inside and outside wall to the effect of slide-bar make wobble crank in sliding slot clockwise, counterclockwise come back rotation, to realize the left and right reciprocally swinging of oscillating rod.Structure of the invention is reasonable, and mechanical structure and circuit control are relatively simple, have the characteristics that production cost is low, toothbrushing effect is good.

Description

A kind of electric toothbrush
Technical field
The present invention relates to a kind of toothbrush more particularly to a kind of electric toothbrushes.
Background technology
Electric toothbrush is a kind of toothbrush of Philippe-Guy Woog inventions, passes through the quick rotation or shake of electric core It is dynamic, so that brush head is generated high-frequency vibration, toothpaste is resolved into subtle foam, deeply cleans teeth space by moment, and at the same time, bristle quivers Kinetic energy promotes the blood circulation in oral cavity, has massage effect to gingiva tissue.Electric toothbrush can effectively remove tooth bacterium with fast vibration Spot has at home and abroad started the revolution of an oral hygiene.
Seen electric toothbrush brand is various currently on the market, foremost to have the brands such as Ou Le B, Philip, Panasonic, brush The motion mode of bristle is mainly by vibrating, swinging, swing up and down and small angle rotation swings four kinds of modes when tooth.Wherein The power toothbrush structure of mode of vibration is simple, cheap, is exactly motor one eccentric block whirling vibration of drive, but toothbrushing effect Undesirable, usage comfort is also bad.Using swing up and down or small angle rotation swing mode electric toothbrush structure compared with Complexity, such as the Chinese patent of Patent No. 200480017248.3《Electric toothbrush》With the China of Patent No. 93116921.6 Patent《Electric toothbrush》, above structure is because of the cone tooth transmission mechanism and eccentric wheel connecting rod mechanism that have direction of rotation to convert 90 degree, institute To have the shortcomings that requirement on machining accuracy is high, noise is big.Using the electric toothbrush to swing operation principle currently on the market All it is that direct current is converted into high-frequency ac to supply electricity to solenoid used in product, to generate the magnetic of high frequency conversion , the electromagnetic field of high frequency conversion and the magnetic field of permanent magnet generate the magnetic field force of transformation and head toothbrushes are pushed to swing, such as specially The Chinese patent that profit number is 201180047155.5《The resonant actuator using magnetic action for electric toothbrush》, this electricity The mechanical structure of dynamic toothbrush is simple, no Mechanical Contact and frictional dissipation, has many advantages, such as to operate steadily, low noise, be made extensively With, but circuit is complicated and production cost is higher.
Invention content
Technical problem to be solved by the invention is to provide a kind of electric tooths simple in structure, at low cost and toothbrushing effect is good Brush.
Technical solution is used by the present invention solves above-mentioned technical problem:A kind of electric toothbrush, including shell and toothbrush Head is equipped with motor and oscillating rod in shell, and the upper end of oscillating rod is connected with head toothbrushes, it is characterised in that:In the shell Equipped with moving back and forth and passing to the transmission mechanism of oscillating rod by being changed into for motor, transmission mechanism includes:
One sheave is arranged above motor and can be rotated together with motor, and the upper surface of sheave is recessed with the cunning of an annular Slot, sliding slot are curved groove;
One locating rack, positioning are arranged above sheave, and the upper end of locating rack is convexly equipped with the eccentric circular groove with sheave bias;
One wobble crank, wobble crank lower end are equipped with Pivot axle, and Pivot axle is to can be rotatably set in bias Circular groove it is upper, the lower end other side of wobble crank is equipped with slide-bar, and the lower end of slide-bar passes through locating rack in the sliding slot of sheave Sliding, the upper end of wobble crank are equipped with the location hole planted for the lower end of oscillating rod and pass through sliding slot inside and outside wall when sheave rotates Wobble crank is clockwise to be made to the effect of slide-bar, carrys out back rotation counterclockwise, to realize the left and right reciprocally swinging of oscillating rod.
Further, it is equipped with the first rolling bearing in the eccentric circular groove, Pivot axle is arranged by being interference fitted inclined On the endoporus of first rolling bearing of heart circular groove.
As an improvement, being equipped with lower protective case, middle protective case and upper protective case in the shell, transmission mechanism setting is in lower protective case in Between protective case, lower protective case is cylindrical, is fixed on the upper end of motor, and sheave is arranged in lower protective case, the bottom centre of lower protective case Position offers the through-hole of the rotation axis stretching for motor, and the rotation axis of motor passes through the centre bore of through-hole and sheave to be interference fitted Connection.
As an improvement, the bottom of the lower protective case is convexly equipped with positioning column, the upper end of motor is equipped with corresponding positioning through hole, under It is connected by screw fixation after protective case and motor positioning.
As an improvement, the locating rack is fixed on lower protective case, the bottom of locating rack is equipped with the center of a pillar and sheave Interporal lacuna cooperation positions, and is convexly equipped with several positioning wedged blocks on the peripheral surface of locating rack, the upper surface of lower protective case is concavely provided with correspondence Screens point, locating rack is equipped with by positioning wedged block and screens point above lower protective case.
It improves again, the middle protective case is arranged to be clamped in the top of locating rack and lower protective case pairing, and middle protective case is in top side Trimming it is columnar structured, the upper end of middle protective case offers the through-hole placed for oscillating rod, middle protective case inner cavity upper end install There is second rolling bearing coaxial with the first rolling bearing on locating rack, between the second rolling bearing and the upper end of wobble crank Equipped with stop collar.
It improves again, the inner cavity top of the middle protective case is equipped with the ladder slot being placed in for the second rolling bearing and stop collar, Stop collar is set in the upper end of wobble crank, and oscillating rod passes through upper protective case, middle protective case, the second rolling bearing, stop collar, finally inserts It sets fixed in the location hole of wobble crank.
It improves again, is convexly equipped with positioning card base separately down at left and right sides of the lower end of the middle protective case, is offered on locating rack For the notch that positioning card base places, the card hole with positioning card base cooperation clamping is offered on the peripheral surface of lower protective case.
Further, the upper protective case is arranged the upper end inner wall in the top of middle protective case and shell and offsets, and is opened up on upper protective case There are the circular hole placed for oscillating rod, the upper end of shell to offer the round hole stretched out for the top of upper protective case, the lower end of head toothbrushes Positioning jack is offered, the upper end of oscillating rod is located by connecting with head toothbrushes across upper protective case, is equipped between head toothbrushes and shell Soft rubber cover.
Finally, the soft rubber cover is ripple gum cover, and the bottom being equipped on the outside of the upper end round hole of shell for soft rubber cover is caught in Circular groove, the annular groove for being arranged positioning for the upper end of soft rubber cover, oscillating rod are formed on the lower end outer wall of head toothbrushes Upper lateral part form location indentations, corresponding positioning convex point is convexly equipped in the positioning jack of head toothbrushes.
Compared with the prior art, the advantages of the present invention are as follows:Using the best motion mode to swing of toothbrushing effect, Transmission mechanism drives sheave rotation using motor, then drives wobble crank to swing by the curve chute on sheave, then Head toothbrushes are driven to swing by the oscillating rod being connect with wobble crank.Structure of the invention is reasonable, and positioning accuracy height is easy dress Match, mechanical structure and circuit control are relatively simple, have the characteristics that production cost is low, toothbrushing effect is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of electric toothbrush provided by the invention;
Fig. 2 is the structural exploded view of electric toothbrush provided by the invention;
Fig. 3 is that the sheave of electric toothbrush provided by the invention drives the fundamental diagram of wobble crank rotation;
Fig. 4 is fundamental diagrams of the Fig. 3 in another state;
Fig. 5 is the stereogram of upper protective case;
Fig. 6 is the stereogram of middle protective case.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
As shown in figures 1-4, a kind of electric toothbrush, including shell 1, head toothbrushes 2, the motor 3 being arranged in shell 1, swing Bar 4 and being changed into for motor 3 is moved back and forth and is passed to the transmission mechanism of oscillating rod 4, the upper end of oscillating rod 4 and tooth Brush head 2 is connected, and is equipped with lower protective case 7, middle protective case 6 and upper protective case 5 in shell 1 successively from bottom to up, and transmission mechanism is arranged under In accommodating cavity between protective case 7 and middle protective case 6, lower protective case 7 is cylindrical, is fixed on the upper end of motor 3, the bottom of lower protective case 7 It is convexly equipped with positioning column 73, the upper end of motor 3 is equipped with corresponding positioning through hole 32, and lower protective case 7 is connected after being positioned with motor 3 by screw Fixation is connect, the bottom centre position of lower protective case 7 offers the through-hole 71 of the stretching of rotation axis 31 for motor 3;
Transmission mechanism includes sheave 8, locating rack 9 and wobble crank 10, and sheave 8 is arranged in the circular-shaped, concave cavity of lower protective case 7 And it is coaxial, the rotation axis 31 of motor 3 passes through the through-hole of lower protective case 7 to be connected with the interference fit of centre bore 82 of sheave 8 so that Sheave 8 and the rotation axis 31 of motor 3 can be rotated with angular speed, and the upper surface of sheave 8 is recessed with the sliding slot 81 of an annular, sliding slot 81 be curved groove, i.e., the distance between the midpoint of sliding slot 81 and center of sheave 8 are different on different Angle Positions, sliding slot 81 inside and outside wall curve is parallel;Locating rack 9, which positions, to be arranged on lower protective case 7 positioned at the top of sheave 8, the bottom of locating rack 9 82 clearance fit of centre bore equipped with a pillar 94a and sheave 8 positions, and several positioning cards are convexly equipped on the peripheral surface of locating rack 9 The upper surface of block 92, lower protective case 7 is concavely provided with corresponding screens point 71, and locating rack 9 passes through positioning wedged block 92 and screens point 71 Cooperation is accurately positioned with lower protective case 7, and the upper end of locating rack 9 is convexly equipped with the eccentric circular groove 91 eccentric with sheave 8, i.e. bias circular groove 91 The rotation center of center and sheave 8 be to deviate certain distance, the first rolling bearing 11 is installed in eccentric circular groove 91, is put Dynamic 10 lower end of crank is equipped with Pivot axle 101, Pivot axle 101 be arranged in eccentric circular groove 91 by interference fit the It can be freely rotated on the endoporus of one rolling bearing 11, the lower end other side of wobble crank 10 is equipped with slide-bar 102, slide-bar 102 Lower end sliding in the sliding slot 81 of sheave 8 after the elongated hole 95 of locating rack 9, the upper end of wobble crank 10 are equipped with for putting The location hole 103 that the lower end of lever 4 is planted, location hole 103 are the circular hole of chamfered edge, and corresponding, the lower end cross section of oscillating rod 4 is The circle of chamfered edge ensures the synchronism that the two is swung, when sheave 8 is in the driving of motor 3 to prevent relative rotation between the two When lower rotation, the slide-bar 102 of wobble crank 10 can change at a distance from 8 center of sheave, the 81 inside and outside wall meeting of sliding slot of sheave 8 The slide-bar 102 of wobble crank 10 is clockwise in sliding slot 81 to be made to the application active force of slide-bar 102, carrys out back rotation counterclockwise, from And drive the left and right reciprocally swinging of oscillating rod 4;
Middle protective case 6 is columnar structured in the trimming of top side, and middle protective case 6 is arranged in the top of locating rack 9 and lower protective case 7 Pairing is clamped, and is convexly equipped with positioning card base 61 at left and right sides of the lower end of middle protective case 6 separately down, is offered for positioning on locating rack 9 The notch 93 that card base 61 places offers the card hole 72 with the positioning cooperation clamping of card base 61 on the peripheral surface of lower protective case 7, in this way in Protective case 6 just positioning be arranged lower protective case 7 above, the upper end of middle protective case 6 offers the through-hole placed for oscillating rod 4, the through-hole and Location hole 103 on wobble crank 10 is coaxial, is equipped with and first axis of rolling on locating rack 9 in the inner cavity upper end of middle protective case 6 11 the second coaxial rolling bearings 12 are held, there are two positioning pillars 62 and the location hole 94 of locating rack 9 to coordinate for middle protective case 6, to protect The coaxial precision of the first, second rolling bearing is demonstrate,proved, stop collar is equipped between the second rolling bearing 12 and the upper end of wobble crank 10 13, the inner cavity top of middle protective case 6 is equipped with the ladder slot being placed in for the second rolling bearing 12 and stop collar 13, and stop collar 13 is arranged In the upper end of wobble crank 10, oscillating rod 4 passes through upper protective case 5, middle protective case 6, the second rolling bearing 12, stop collar 13, finally inserts It sets and is fixed in the location hole 103 of wobble crank 10;It is flexible on stop collar 13 to be buckled to 131, there is circumference concave station on oscillating rod 4 Rank 41, when oscillating rod 4 is inserted through stop collar, elasticity, which is buckled to 131, can clasp circumference concave station rank 41, to give oscillating rod axial limiting.On Protective case 5 is arranged to offset in the top of middle protective case 6 and the upper end inner wall of shell 1, and upper protective case 5 is equipped with location hole 51, with middle protective case 6 On the positioning that matches of positioning column 62 twist screw again and fix, to ensure that the hole for wearing oscillating rod 4 on upper protective case 5 and middle protective case 6 is smart with one heart Degree.The circular hole placed for oscillating rod 4 is offered on upper protective case 5, the upper end of shell 1 offers the top stretching for supplying upper protective case 5 Round hole 1.1, the lower end of head toothbrushes 2 offer the positioning jack of the upper end plant for oscillating rod 4, and the upper end of oscillating rod 4 passes through Upper protective case 5 is located by connecting with head toothbrushes 2, and soft rubber cover 14 is equipped between head toothbrushes 2 and shell 1;Soft rubber cover 14 is ripple gum cover, The outside of upper end round hole 1.1 of shell 1 is equipped with the circular groove 1.2 being caught in for the bottom of soft rubber cover 14, outside the lower end of head toothbrushes 2 The annular groove 21 that positioning is arranged for the upper end of soft rubber cover 14 is formed on wall, the upper lateral part of oscillating rod 4 forms location indentations 42, corresponding positioning convex point is convexly equipped in the positioning jack of head toothbrushes 2, such oscillating rod 4 is just located by connecting with head toothbrushes 2 and band Dynamic head toothbrushes 2, which swing, brushes teeth.
The operation principle of the present invention is such:
As shown in Figure 3,4, there are a curve chute 81, the center of sliding slot 81 and the rotation center O of sheave 8 on sheave 81 The distance between be different on different Angle Positions, and the inside and outside wall curve of sliding slot 81 is parallel, and sheave 8 is mounted on In the rotation axis 31 of motor 3, power is provided by motor 3 and is freely rotated, center of rotation O1Position, wobble crank 10 can be free Rotation, fulcrum O2Position, slide-bar 102 is fixed on wobble crank 10, and slide-bar 102 is embedded just below in sliding slot 81 sliding Dynamic, the center of slide-bar 102 is O3;The rotation center O of sheave 81With the fulcrum O of wobble crank 102It is decentraction, two The distance between point is set as a, the fulcrum O of wobble crank 102To the center O of slide-bar 1023Distance is set as b, slide-bar 102 center O3To the rotation center O of sheave 81Distance be set as c, line O1O2With line O2O3Angle β, according to cosine Theorem, c2=a2+b2- 2abCOS β, so, when the definite value of a, b are constant, c and angle beta have correspondence, i.e., when c changes, Angle beta can also change.
When sheave 8 is in the positions Fig. 3, c values at this time are maximum, and sheave 81 continues to rotate clockwise, and c values can gradually become Small, the outer wall of sliding slot 81 can promote wobble crank 10 to rotate clockwise the active force of one F1 of the application of slide-bar 102, while angle beta Reduce;When sheave 8 moves to the positions Fig. 4, c values at this time are minimum, and are when sheave 81 continues to rotate clockwise, and c values can be by Gradual change is big, and the inner wall of sliding slot 81 can promote wobble crank 10 to rotate counterclockwise the active force of one F2 of the application of slide-bar 102, same to hour angle β is spent to increase;
When sheave 8 rotates, c values change to minimum change to again by maximum and are up to the periods of change of c values, and one of c values Period of change is exactly the swing period of wobble crank 10, so if sheave 8 has c values to have n period of change when rotating a circle, pendulum Dynamic crank 10 just has n swing period, that is to say, that when the velocity of rotation of sheave 8 is r beats/min, the swing speed of wobble crank 10 Degree just has n × r beats/min, and n does not set particular value in patent of the present invention, can be 2,3,4...... etc., be all the protection of this patent Range.

Claims (10)

1. a kind of electric toothbrush, including shell and head toothbrushes, motor and oscillating rod, the upper end of oscillating rod and tooth are installed in shell Brush head is connected, it is characterised in that:It is equipped with the rotation of motor being changed into the shell and moves back and forth and pass to oscillating rod Transmission mechanism, transmission mechanism includes:
One sheave is arranged above motor and can be rotated together with motor, and the upper surface of sheave is recessed with the sliding slot of an annular, sliding Slot is curved groove;
One locating rack, positioning are arranged above sheave, and the upper end of locating rack is convexly equipped with the eccentric circular groove with sheave bias;
One wobble crank, wobble crank lower end are equipped with Pivot axle, and Pivot axle is to can be rotatably set in eccentric circular groove On, the lower end other side of wobble crank is equipped with slide-bar, and the lower end of slide-bar passes through locating rack sliding in the sliding slot of sheave, pendulum The upper end of dynamic crank is equipped with the location hole planted for the lower end of oscillating rod, when sheave rotates, by sliding slot inside and outside wall to slide-bar Effect make wobble crank clockwise, carry out back rotation counterclockwise, to realize the left and right reciprocally swinging of oscillating rod.
2. electric toothbrush according to claim 1, it is characterised in that:It is equipped with the first rolling bearing in the bias circular groove, Pivot axle is arranged by interference fit on the endoporus of the first rolling bearing of eccentric circular groove.
3. electric toothbrush according to claim 2, it is characterised in that:Be equipped in the shell lower protective case, middle protective case and on Protective case, transmission mechanism are arranged between lower protective case and middle protective case, and lower protective case is cylindrical, is fixed on the upper end of motor, and sheave is set It sets in lower protective case, the bottom centre position of lower protective case offers the through-hole of the rotation axis stretching for motor, the rotation axis of motor It is interference fitted and connects across the centre bore of through-hole and sheave.
4. electric toothbrush according to claim 3, it is characterised in that:The bottom of the lower protective case is convexly equipped with positioning column, horse The upper end reached is equipped with corresponding positioning through hole, and fixation is connected by screw after lower protective case and motor positioning.
5. electric toothbrush according to claim 3, it is characterised in that:The locating rack is fixed on lower protective case, locating rack Bottom be equipped with the centre bore clearance fit of a pillar and sheave and position, several positioning are convexly equipped on the peripheral surface of locating rack and are blocked Block, the upper surface of lower protective case are concavely provided with corresponding screens point, and locating rack is equipped with by positioning wedged block and screens point Above lower protective case.
6. electric toothbrush according to claim 5, it is characterised in that:The middle protective case is arranged in the top of locating rack under Protective case pairing is clamped, and middle protective case is columnar structured in the trimming of top side, and the upper end of middle protective case is offered to be placed for oscillating rod Through-hole, second rolling bearing coaxial with the first rolling bearing on locating rack is installed in the inner cavity upper end of middle protective case, Stop collar is equipped between two rolling bearings and the upper end of wobble crank.
7. electric toothbrush according to claim 6, it is characterised in that:The inner cavity top of the middle protective case is equipped with for the second rolling The ladder slot of dynamic bearing and stop collar merging, stop collar are set in the upper end of wobble crank, and oscillating rod passes through upper protective case, middle shield Shell, the second rolling bearing, stop collar are finally plugged in the location hole of wobble crank fixed.
8. electric toothbrush according to claim 7, it is characterised in that:At left and right sides of the lower end of the middle protective case separately down It is convexly equipped with positioning card base, the notch placed for positioning card base is offered on locating rack, offers and determines on the peripheral surface of lower protective case The card hole of position card base cooperation clamping.
9. according to the electric toothbrush described in claim 3 to 8 any claim, it is characterised in that:The upper protective case setting exists The top of middle protective case and the upper end inner wall of shell offset, and the circular hole placed for oscillating rod, the upper end of shell are offered on upper protective case The round hole stretched out for the top of upper protective case is offered, the lower end of head toothbrushes offers positioning jack, and the upper end of oscillating rod passes through Upper protective case is located by connecting with head toothbrushes, and soft rubber cover is equipped between head toothbrushes and shell.
10. electric toothbrush according to claim 9, it is characterised in that:The soft rubber cover is ripple gum cover, the upper end of shell It is equipped with the circular groove being caught in for the bottom of soft rubber cover on the outside of round hole, is formed for for soft rubber cover on the lower end outer wall of head toothbrushes Upper end be arranged the annular groove of positioning, the upper lateral part of oscillating rod forms location indentations, projection in the positioning jack of head toothbrushes There is corresponding positioning convex point.
CN201810397292.5A 2018-02-06 2018-04-28 Electric toothbrush Active CN108720953B (en)

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CN2018101162567 2018-02-06
CN201810116256 2018-02-06

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111110379A (en) * 2018-12-17 2020-05-08 深圳市大匠凯科技有限公司 Vertical brushing electric toothbrush
CN111449788A (en) * 2020-04-09 2020-07-28 金妍 Oral cavity deep cleaner for protecting gum
CN112773543A (en) * 2021-03-02 2021-05-11 雷德贵 Electric toothbrush head and electric toothbrush
CN114081438A (en) * 2020-06-08 2022-02-25 株式会社村田制作所 Oral appliance
CN118199322A (en) * 2024-05-16 2024-06-14 克瑞科技(东莞)有限公司 Driving motor with multiple output directions

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108720953B (en) * 2018-02-06 2023-12-29 宁波真和电器股份有限公司 Electric toothbrush

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Publication number Priority date Publication date Assignee Title
JPH09173360A (en) * 1995-12-25 1997-07-08 Matsushita Electric Works Ltd Motor-driven toothbrush
US20030000031A1 (en) * 2001-06-28 2003-01-02 Qingping Zhuan Electric toothbrush
KR101015381B1 (en) * 2010-08-27 2011-02-22 정은긴 An electric toothbrush
US20120266398A1 (en) * 2011-04-21 2012-10-25 Lee Soo Woong Bi-planar electric toothbrush
US20150289958A1 (en) * 2006-09-29 2015-10-15 Trisa Holding Ag Electric toothbrush, and transmission for an electric toothbrush
CN204814254U (en) * 2015-06-10 2015-12-02 宁波澳乐比口腔护理用品有限公司 Electric toothbrush
CN208892816U (en) * 2018-02-06 2019-05-24 宁波真和电器股份有限公司 A kind of electric toothbrush

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09173360A (en) * 1995-12-25 1997-07-08 Matsushita Electric Works Ltd Motor-driven toothbrush
US20030000031A1 (en) * 2001-06-28 2003-01-02 Qingping Zhuan Electric toothbrush
US20150289958A1 (en) * 2006-09-29 2015-10-15 Trisa Holding Ag Electric toothbrush, and transmission for an electric toothbrush
KR101015381B1 (en) * 2010-08-27 2011-02-22 정은긴 An electric toothbrush
US20120266398A1 (en) * 2011-04-21 2012-10-25 Lee Soo Woong Bi-planar electric toothbrush
CN204814254U (en) * 2015-06-10 2015-12-02 宁波澳乐比口腔护理用品有限公司 Electric toothbrush
CN208892816U (en) * 2018-02-06 2019-05-24 宁波真和电器股份有限公司 A kind of electric toothbrush

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111110379A (en) * 2018-12-17 2020-05-08 深圳市大匠凯科技有限公司 Vertical brushing electric toothbrush
CN111449788A (en) * 2020-04-09 2020-07-28 金妍 Oral cavity deep cleaner for protecting gum
CN114081438A (en) * 2020-06-08 2022-02-25 株式会社村田制作所 Oral appliance
CN112773543A (en) * 2021-03-02 2021-05-11 雷德贵 Electric toothbrush head and electric toothbrush
CN118199322A (en) * 2024-05-16 2024-06-14 克瑞科技(东莞)有限公司 Driving motor with multiple output directions

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CN108720953B (en) 2023-12-29
CN208892816U (en) 2019-05-24

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