CN110314008A - Electric toothbrush head - Google Patents
Electric toothbrush head Download PDFInfo
- Publication number
- CN110314008A CN110314008A CN201910629760.1A CN201910629760A CN110314008A CN 110314008 A CN110314008 A CN 110314008A CN 201910629760 A CN201910629760 A CN 201910629760A CN 110314008 A CN110314008 A CN 110314008A
- Authority
- CN
- China
- Prior art keywords
- brush
- accommodating cavity
- slot
- rotation
- drive seat
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 230000004308 accommodation Effects 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims description 3
- 230000000873 masking effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 11
- 210000003128 head Anatomy 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- A61C17/222—Brush body details, e.g. the shape thereof or connection to handle
Abstract
The invention discloses a kind of electric toothbrush heads, including brush handle and brush, the hollow setting of brush handle is formed with accommodating cavity, described brush handle one end is provided with rotation slot, the other end is to be provided with transmission slot, setting is connected by accommodating cavity with transmission slot in the rotation slot, the brush is rotatably arranged on rotation slot, rotation is provided with drive seat in the accommodating cavity, it is provided in the drive seat for connecting the drive rod for being formed in reciprocating rotation in accommodating cavity with motor drive, also rotation is provided with reversing piece in the accommodating cavity, leash is provided in the accommodation groove, described leash one end is fixedly connected with brush periphery wall, the other end is fixedly connected to form the transmission that drive seat rotates brush with drive seat periphery wall after reversing piece commutates.Its is simple and reasonable, effectively drives to brush on brush head, while overall structure is easy to assembly, and noise is less when use.
Description
Technical field
Brush-head structure the present invention relates to technical field of daily necessities, in especially a kind of electric toothbrush.
Background technique
Currently, in daily life, electric toothbrush is very universal, and brush for electric toothbrush structure is substantially at present
Including brush handle, the brush being connected on brush handle and drive rod for being sequentially connected with driving device, brush structure therein
Usually with brush seat, the rotating disc being arranged on brush pedestal and the multi beam brush being fixed on rotating disc of type chamber
Hair, driving device generally use small-sized motor, the rotation of rotating disc are driven by drive rod and transmission component, to drive
The cleaning to oral cavity is realized in the rotation of bristle, and wherein most of rotating disc is circle, and plurality of bristles is along the circumferential equal of rotating disc
Even distribution.But the drive mechanism of common electric toothbrush head is complex at present, assemble it is relatively difficult, cause production efficiency compared with
It is low, and it is difficult to ensure the tight fit between transmission shaft and brush head, and noise is larger.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of electric toothbrush head, simple and reasonable, effectively to brush
Brush is driven on head, while overall structure is easy to assembly, and noise is less when use.
The present invention provides a kind of electric toothbrush head, including brush handle and brush, and the hollow setting of brush handle is formed with accommodating
Chamber, described brush handle one end are provided with rotation slot, and the other end is to be provided with transmission slot, and the rotation slot and transmission slot pass through appearance
Chamber conducting setting is set, the brush is rotatably arranged on rotation slot, and rotation is provided with drive seat, the driving in the accommodating cavity
It is provided on seat for connecting the drive rod for being formed in reciprocating rotation in accommodating cavity with motor drive, is also rotated in the accommodating cavity
It is provided with reversing piece, leash is provided in the accommodation groove, described leash one end is fixedly connected with brush periphery wall, another
End is fixedly connected to form the transmission that drive seat rotates brush with drive seat periphery wall after reversing piece commutates.
The beneficial effect being arranged in this way is: being arranged to this form, rotation slot here is the side for being positioned close to end
On wall, brush is arranged in rotation slot, and bristle is arranged towards accommodating cavity width direction, so that brush is in transverse state,
Its leash extended into accommodating cavity extends to accommodation groove length direction before this, its direction is made to become holding after tumbler
The width direction of chamber is set, width direction and length direction here contains deflects a certain range in this direction, in the direction
15 ° of deflection are all contained within the direction of length direction or width direction, finally connect with drive seat side wall, here as
It is preferred that leash is located at brush top with the position that is fixedly connected of brush, it is separate also to be located at rotation seat with the fixation position of rotation seat
One end of reversing piece, when so that drive seat back and forth deflecting driven by the motor, the deflection angle of drive seat is as preferred here
± 30 ~ 45 ° are set as, the deflection of wide-angle was avoided, the mode of existing motor output shaft output is also complied with, traction can be pulled
For band to drive brush to rotate, this structure is simple, is conducive to realize, eliminates the abrasion between previous mechanical transmission structure, thus
Noise level is reduced, and the replacement of this structure of transmission belt is simple, is conveniently replaceable, while more convenient, raising production being installed
Processing efficiency.
The present invention be further arranged to it is circumferentially arranged on the brush side wall have a driving groove, the drive seat side wall is along week
To locating slot is provided with, the reversing piece includes reversing shaft and two reverse wheels being rotatably arranged on reversing shaft, the commutation
Axis is fixed in accommodating cavity along accommodating cavity width direction, and the leash is arranged in a ring, and described leash one end is tightened
It is arranged on driving groove, the other end, which extends along accommodating cavity length direction and tightens to be set on locating slot after reverse wheel commutates, to be set
It sets.
The beneficial effect being arranged in this way is: using the above scheme, leash being arranged to this this form of annular, structure
It is more stable, so that traction band strength is higher, prolong the service life, while tightening and being set on driving groove and locating slot, with
The reciprocating rotation of drive seat, realize that this structure is simple, and more letter is answered to the reciprocal drawing of turntable, processing positioning is also very
It is convenient, production and processing efficiency is improved, while cost is lower.
It is 70 ~ 120 ° that the present invention, which is further arranged to angle formed by the brush central axis and drive seat central axis,.
The beneficial effect being arranged in this way is: using the above scheme, so that the transmission after commutation is more smoothly, while structure
Also more stable, improve integrally-built using effect.
The present invention is further arranged to the locating slot bending setting.
The beneficial effect being arranged in this way is using the above scheme, locating slot to be bent and is arranged, so that locating slot and leash
Contact area it is bigger so that drive seat rotation drive leash movement it is more preferable, further increase integrally-built make
Use effect.
One end that the present invention is further arranged in the accommodating cavity close to rotation slot is provided with fixing groove, the drive seat
On be formed with rotating bar, the rotating bar rotation is plugged in the positioning formed in fixing groove to drive seat.
The beneficial effect being arranged in this way is that using the above scheme, setting makes in this way convenient for carrying out location and installation to drive seat
It is more convenient to install, while positioning conveniently, improves assembly efficiency.
One end that the present invention is further arranged in the accommodating cavity close to rotation slot is provided with gag lever post, the brush side
Limiting slot is provided on wall, the gag lever post is plugged in the limit formed in limiting slot to brush head rotational angle.
The beneficial effect being arranged in this way is that using the above scheme, such setting structure is simple, avoids brush inordinate rotation,
Guarantee the stability of structure.
The present invention is further arranged to be provided with positioning sleeve on the transmission slot, between the positioning sleeve and transmission slot
It is provided with guide groove and guide pad, the guide groove and guide pad are clamped the masking to form positioning sleeve to accommodation groove, the positioning
Put on the perforation for offering and being pierced by for drive rod.
The beneficial effect being arranged in this way is using the above scheme, can be preferably supported to drive seat, guarantees driving
The position of seat is stablized, while being covered to accommodating cavity, and a possibility that extraneous dirt enters is reduced, while the connection letter of this structure
It is single, it is conducive to realize, improves the using effect of product.
The present invention is further arranged to the drive seat and one end of transmission slot is provided with fixation hole, the drive rod
It is plugged in fixation hole, wedge-shaped impression is offered on the drive rod side wall, the fixation hole inner wall is provided with wedge block, described
Wedge block and wedge-shaped impression are clamped the fixation to form drive rod in fixation hole.
The beneficial effect being arranged in this way is using the above scheme, to guarantee the connection of drive rod and drive seat, while dismounting is replaced
It changes conveniently, good fixing effect, improves stability and using effect that whole brush head uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the cross section view of the embodiment of the present invention；
Fig. 3 is the transmission connection schematic diagram of drive seat and brush in the embodiment of the present invention.
Specific embodiment
It can be seen that by Fig. 1, Fig. 2 and Fig. 3 and disclose a kind of electric toothbrush head, including brush handle 1 and brush 2, the brush
The hollow setting of handle 1 is formed with accommodating cavity 11, and described 1 one end of brush handle is provided with rotation slot, and the other end is to be provided with transmission slot, institute
It states rotation slot and transmission slot to be arranged by the conducting of accommodating cavity 11, the brush 2 is rotatably arranged on rotation slot, the accommodating cavity
In 11 rotation be provided with drive seat 3, be provided in the drive seat 3 for connect with motor drive be formed in it is past in accommodating cavity 11
The drive rod 31 rotated again, also rotation is provided with reversing piece in the accommodating cavity 11, is provided with leash in the accommodating cavity 11
4, described 4 one end of leash is fixedly connected with 2 periphery wall of brush, and the other end is solid with 3 periphery wall of drive seat after reversing piece commutates
Fixed connection forms the transmission that drive seat 3 rotates brush 2.The beneficial effect being arranged in this way is: being arranged to this form, here
Rotation slot is positioned close on the side wall of end, and brush 2 is arranged in rotation slot, and bristle is towards 11 width direction of accommodating cavity
It is arranged, so that brush 2 is in transverse state, the leash 4 extended into accommodating cavity 11, before this to accommodation groove length direction
Extend, makes it towards the width direction for becoming accommodating cavity 11 after tumbler, finally connect with 3 side wall of drive seat, make here
It is located at 2 top of brush with the position that is fixedly connected of brush 2 for preferred leash 4, also is located at rotation with the fixation position of rotation seat 3
3 one end far from reversing piece of seat so that drive seat 3 driven by the motor reciprocal deflection when, the deflection angle of drive seat here
As being preferably arranged to ± 35 °, the deflection of wide-angle was avoided, the mode of existing motor output shaft output is also complied with, can lead
Dragline leader tape drives brush 2 to rotate from 4, and this structure is simple, is conducive to realize, eliminates the mill between previous mechanical transmission structure
Damage, to reduce noise level, and the replacement of this structure of transmission belt is simple, is conveniently replaceable, while installation is more convenient, mentions
Height production and processing efficiency.
Circumferentially arranged on above-mentioned 2 side wall of brush to have driving groove 21,3 side wall of drive seat is circumferentially arranged locating slot
35, the reversing piece includes reversing shaft 5 and two reverse wheels 51 being rotatably arranged on reversing shaft 5, and the reversing shaft 5 is along accommodating
11 width direction of chamber is fixed in accommodating cavity 11, and the leash 4 is arranged in a ring, and set is tightened in described 4 one end of leash
If on driving groove 21, the other end, which extends and tightens after the commutation of reverse wheel 51 along 11 length direction of accommodating cavity, is set in locating slot 35
Upper setting.The beneficial effect being arranged in this way is: using the above scheme, leash 4 being arranged to this this form of annular, structure
It is more stable, so that leash semi-finals Du Genggao, prolongs the service life, while tightening and being set in driving groove 21 and locating slot 35
On, with the reciprocating rotation of drive seat 3, realize that this structure is simple, and more letter is answered to the reciprocal drawing of turntable, processing positioning
Also very convenient, production and processing efficiency is improved, while cost is lower.
Angle formed by above-mentioned 2 central axis of brush and 3 central axis of drive seat is 90 °, i.e., brush is along 11 width side of accommodating cavity
It is arranged to forward direction, drive seat 3 is arranged along 11 length direction forward direction of accommodating cavity.The beneficial effect being arranged in this way is: using above-mentioned side
Case, so that the transmission after commutation is more smoothly, while structure is also more stable, improves integrally-built using effect.Brush 2
It greater area of can be contacted with Buccodental, improve cleaning effect.
The above-mentioned bending of locating slot 35 setting.The beneficial effect being arranged in this way is that using the above scheme, locating slot 35 is bent
Setting, so that locating slot 35 and the contact area of leash 4 are bigger, so that the rotation of drive seat 3 drives the movement of leash 4
More preferably, integrally-built using effect is further increased.
One end in above-mentioned accommodating cavity 11 close to rotation slot is provided with fixing groove, is formed with rotating bar in the drive seat 3
32, the rotating bar 32 rotates the positioning for being plugged in and being formed in fixing groove to drive seat 3.The beneficial effect being arranged in this way is to adopt
With above scheme, setting in this way is convenient for carrying out location and installation to drive seat 3, so that installation is more convenient, while positioning conveniently, mentions
High assembly efficiency.
One end in above-mentioned accommodating cavity 11 close to rotation slot is provided with gag lever post 12, is arranged on 2 side wall of brush limited
Position slot 22, the gag lever post 12 are plugged in the limit formed in limiting slot 22 to 2 rotational angle of brush.The beneficial effect being arranged in this way
Fruit is that using the above scheme, such setting structure is simple, avoids 2 inordinate rotation of brush, guarantees the stability of structure.
It is provided with positioning sleeve 6 on above-mentioned transmission slot, is provided with guide groove between the positioning sleeve 6 and transmission slot and leads
To block, the guide groove and guide pad are clamped the masking to form positioning sleeve 6 to accommodation groove, are offered on the positioning sleeve 6 for passing
The perforation that lever 31 is pierced by.The beneficial effect being arranged in this way is using the above scheme, can preferably to prop up drive seat 3
Support guarantees that the position of drive seat 3 is stablized, while covering to accommodating cavity 11, reduces a possibility that extraneous dirt enters, simultaneously
This structure connection is simple, is conducive to realize, improves the using effect of product.
Above-mentioned drive seat 3 is provided with fixation hole close to one end of transmission slot, and the drive rod 31 is plugged in fixation hole,
Wedge-shaped impression 34 is offered on 31 side wall of drive rod, the fixation hole inner wall is provided with wedge block 33, the wedge block 33
Fixation of the drive rod 31 in fixation hole is formed with the clamping of wedge-shaped impression 34.The beneficial effect being arranged in this way is, using above-mentioned side
Case, guarantees the connection of drive rod 31 and drive seat 3, while dismounting replacement conveniently, good fixing effect, improves what whole brush head used
Stability and using effect.
The above embodiments are merely a preferred embodiment of the present invention, and cannot limit interest field of the invention with this, because
This, is still belonged to according to equivalent variations made by scope of the present invention patent, such as using similar technique, the equivalent product of similar structures
The range that the present invention is covered.
Claims (8)
1. a kind of electric toothbrush head, including brush handle and brush, the hollow setting of brush handle is formed with accommodating cavity, the brush handle one
End is provided with rotation slot, and the other end is to be provided with transmission slot, and setting is connected by accommodating cavity with transmission slot in the rotation slot,
The brush is rotatably arranged on rotation slot, it is characterised in that: rotation is provided with drive seat, the drive seat in the accommodating cavity
On be provided with for connecting the drive rod for being formed in reciprocating rotation in accommodating cavity with motor drive, also rotation is set in the accommodating cavity
It is equipped with reversing piece, leash is provided in the accommodation groove, described leash one end is fixedly connected with brush periphery wall, the other end
The transmission that drive seat rotates brush is fixedly connected to form with drive seat periphery wall after reversing piece commutates.
2. electric toothbrush head according to claim 1, it is characterised in that: circumferentially arranged on the brush side wall to have biography
Dynamic slot, the drive seat side wall is circumferentially arranged a locating slot, and the reversing piece includes reversing shaft and two are rotatably arranged on and change
Reverse wheel on axis, the reversing shaft are fixed in accommodating cavity along accommodating cavity width direction, and the leash is in a ring
Setting, described leash one end, which is tightened, to be arranged on driving groove, and the other end extends along accommodating cavity length direction and commutates through reverse wheel
After tighten to be set on locating slot and be arranged.
3. electric toothbrush head according to claim 2, it is characterised in that: the brush central axis and drive seat central axis
Formed angle is 70 ~ 120 °.
4. electric toothbrush head according to claim 2, it is characterised in that: the locating slot bending setting.
5. electric toothbrush head according to claim 1 or 2 or 3, it is characterised in that: close to rotation slot in the accommodating cavity
One end be provided with fixing groove, be formed with rotating bar in the drive seat, the rotating bar rotation, which is plugged in fixing groove, to be formed
Positioning to drive seat.
6. electric toothbrush head according to claim 1 or 2 or 3, it is characterised in that: close to rotation slot in the accommodating cavity
One end be provided with gag lever post, be provided with limiting slot on the brush side wall, the gag lever post, which is plugged in limiting slot, to be formed pair
The limit of brush head rotational angle.
7. electric toothbrush head according to claim 1 or 2 or 3, it is characterised in that: it is fixed to be provided on the transmission slot
Position set is provided with guide groove and guide pad between the positioning sleeve and transmission slot, and the guide groove is clamped to be formed with guide pad
Masking of the positioning sleeve to accommodation groove offers the perforation being pierced by for drive rod on the positioning sleeve.
8. electric toothbrush head according to claim 6, it is characterised in that: the drive seat is close to one end of transmission slot
It is provided with fixation hole, the drive rod is plugged in fixation hole, and wedge-shaped impression, the fixation are offered on the drive rod side wall
Hole inner wall is provided with wedge block, and the wedge block and wedge-shaped impression are clamped the fixation to form drive rod in fixation hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629760.1A CN110314008B (en) | 2019-07-12 | 2019-07-12 | Electric toothbrush head |
| PCT/CN2019/098212 WO2021007886A1 (en) | 2019-07-12 | 2019-07-29 | Electric toothbrush head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910629760.1A CN110314008B (en) | 2019-07-12 | 2019-07-12 | Electric toothbrush head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110314008A true CN110314008A (en) | 2019-10-11 |
| CN110314008B CN110314008B (en) | 2024-04-30 |
Family
ID=68122075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910629760.1A Active CN110314008B (en) | 2019-07-12 | 2019-07-12 | Electric toothbrush head |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110314008B (en) |
| WO (1) | WO2021007886A1 (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577285A (en) * | 1992-11-21 | 1996-11-26 | Braun Aktiengesellschaft | Electric toothbrush with rotary bristle supporting structure |
| US6230354B1 (en) * | 1997-10-03 | 2001-05-15 | Moulinex S.A. | Electric toothbrush |
| CN2744317Y (en) * | 2004-08-28 | 2005-12-07 | 钟文彬 | Electric toothbrush |
| CN2790423Y (en) * | 2005-03-18 | 2006-06-28 | 郑成龙 | Dual-head electric toothbrush |
| DE202008016815U1 (en) * | 2008-12-19 | 2009-05-20 | Kluge-Meier, Michael | Device for cleaning teeth and teeth (drive with air or water) |
| US20150075560A1 (en) * | 2013-09-18 | 2015-03-19 | Alexander Kandemir | Flat Belt Treadmill-like Rotation Toothbrush |
| CN104771237A (en) * | 2015-04-29 | 2015-07-15 | 倍雅电子护理制品（苏州）有限公司 | Electric toothbrush and brush head thereof |
| WO2016033758A1 (en) * | 2014-09-03 | 2016-03-10 | 东莞市颐美电子科技有限公司 | Electric toothbrush with large swing amplitude |
| US20180014922A1 (en) * | 2015-02-15 | 2018-01-18 | Shenzhen Jointronic Technology Co., Ltd | Electric toothbrush and vertical-brushing-type electric toothbrush |
| CN210644225U (en) * | 2019-07-12 | 2020-06-02 | 浙江宝龙机电有限公司 | Electric toothbrush head |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1270796A (en) * | 2000-05-05 | 2000-10-25 | 牟永良 | Discal electric toothbrush |
| CN2681701Y (en) * | 2003-12-23 | 2005-03-02 | 林辉明 | Double head electric tooth brush |
| US9254185B2 (en) * | 2014-02-19 | 2016-02-09 | Luis Vila | Replaceable head and image capturing toothbrush |
| CN105581854A (en) * | 2014-10-24 | 2016-05-18 | 陈键 | Nursing toothbrush |
| CN206355171U (en) * | 2016-07-30 | 2017-07-28 | 东莞英伍电子有限公司 | A kind of electric toothbrush head |
-
2019
- 2019-07-12 CN CN201910629760.1A patent/CN110314008B/en active Active
- 2019-07-29 WO PCT/CN2019/098212 patent/WO2021007886A1/en active Application Filing
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5577285A (en) * | 1992-11-21 | 1996-11-26 | Braun Aktiengesellschaft | Electric toothbrush with rotary bristle supporting structure |
| US6230354B1 (en) * | 1997-10-03 | 2001-05-15 | Moulinex S.A. | Electric toothbrush |
| CN2744317Y (en) * | 2004-08-28 | 2005-12-07 | 钟文彬 | Electric toothbrush |
| CN2790423Y (en) * | 2005-03-18 | 2006-06-28 | 郑成龙 | Dual-head electric toothbrush |
| DE202008016815U1 (en) * | 2008-12-19 | 2009-05-20 | Kluge-Meier, Michael | Device for cleaning teeth and teeth (drive with air or water) |
| US20150075560A1 (en) * | 2013-09-18 | 2015-03-19 | Alexander Kandemir | Flat Belt Treadmill-like Rotation Toothbrush |
| WO2016033758A1 (en) * | 2014-09-03 | 2016-03-10 | 东莞市颐美电子科技有限公司 | Electric toothbrush with large swing amplitude |
| US20180014922A1 (en) * | 2015-02-15 | 2018-01-18 | Shenzhen Jointronic Technology Co., Ltd | Electric toothbrush and vertical-brushing-type electric toothbrush |
| CN104771237A (en) * | 2015-04-29 | 2015-07-15 | 倍雅电子护理制品（苏州）有限公司 | Electric toothbrush and brush head thereof |
| CN210644225U (en) * | 2019-07-12 | 2020-06-02 | 浙江宝龙机电有限公司 | Electric toothbrush head |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021007886A1 (en) | 2021-01-21 |
| CN110314008B (en) | 2024-04-30 |
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