CN204683825U - A kind of electric toothbrush - Google Patents
A kind of electric toothbrush Download PDFInfo
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- CN204683825U CN204683825U CN201520269706.8U CN201520269706U CN204683825U CN 204683825 U CN204683825 U CN 204683825U CN 201520269706 U CN201520269706 U CN 201520269706U CN 204683825 U CN204683825 U CN 204683825U
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- brush
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Abstract
Utility model relates to technical field of living goods, particularly a kind of electric toothbrush, comprises brush holder and the detachable brush being installed on brush holder front portion; Be provided with vibration generating arrangement and power supply device in brush holder, the rear portion of brush holder is provided with charging socket; The front portion of vibration machine is provided with the inserted link for installing brush, and the front end face that inserted link runs through brush holder extends to outside and the brush grafting of brush holder; The front portion of power supply device is withstood the rear portion of vibration generating arrangement and is electrically connected by power line and vibration generating arrangement, and the rear portion of power supply device is connected with charging socket; Brush holder is provided with the shift knob be connected with power supply device, this utility model is by carrying out circumference location and axial location to avoid collecting together of brush holder inner part to vibration generating arrangement and power supply device, and the electro-insulating rubber sleeve pipe be equipped with in charging socket by being arranged on front cushion pad on vibration generating arrangement and rear cushion pad provides effective shockproof function.
Description
Technical field
This utility model relates to technical field of living goods, particularly a kind of electric toothbrush.
Background technology
Electric toothbrush is the new product occurred in recent years, has started a revolution of oral hygiene abroad, although electric toothbrush is not still popularized in the application of China, existing people's prediction, it will become the important a member in popular health product.Investigation display, electric toothbrush compared with ordinary toothbrush, more scientific and effective.More thoroughly can remove dental plaque, reduce gingivitis and gingival hemorrhage, be also the generally popular article of everyday use of current American-European many countries.And electric toothbrush is by fast rotational, makes brush produce dither, instantaneously toothpaste is resolved into trickle foam, deeply clean teeth space; Meanwhile, the vibration of bristle can promote there is beyond thought massage effect to gingiva tissue by the blood circulation in oral cavity.
From principle point, electric tooth is brushed with two large classes: rotate and vibration.The toothbrush principle rotating class is simple, is exactly that motor drives circular brush to rotate, while the common brushing action of execution, strengthen friction effect.The toothbrush of oscillatory type is more complicated, also more high-end price.Its interior of vibrations type has an electrically driven (operated) vibrating motor, brush generation can be allowed perpendicular to the swing in high frequency in brush holder direction, but the amplitude swung is very little, is generally 5 millimeter.When brushing teeth, the brush of swing in high frequency can efficiently complete the action of scrubbing tooth on the one hand, on the other hand the vibration per minute more than 20000 times also allows the mixture of the toothpaste in face and water produce bubble small in a large number, bubble explosion time the pressure that produces can go deep into teeth space and clean dirt.
No matter be the electric toothbrush of revolving electric toothbrush or vibration type, vibrator in brush holder and the water resistance of power supply directly affect the combination property of electric toothbrush, because the wash water that electric toothbrush inevitably contacts in use, directly return cause vibrator short circuit or the phenomenon such as circuit board corrosion is aging if brush holder inside enters wash water; In addition, electric toothbrush often postbacks the raw phenomenon of colliding with or falling from eminence in use, anti-vibration protected also particularly important therefore to brush holder inner part.
Utility model content
The purpose of this utility model is, for the deficiencies in the prior art, to provide good water-proof effect, and has the electric toothbrush of inner shockproof function.
For solving the problem, this utility model provides following technical scheme:
A kind of electric toothbrush, comprises brush holder and the detachable brush being installed on brush holder front portion; Be provided with vibration generating arrangement and power supply device in described brush holder, the rear portion of brush holder is provided with charging socket; The front portion of described vibration machine is provided with the inserted link for installing brush, and the front end face that inserted link runs through brush holder extends to outside and the brush grafting of brush holder; The front portion of described power supply device is withstood the rear portion of vibration generating arrangement and is electrically connected by power line and vibration generating arrangement, and the rear portion of power supply device is connected with charging socket; Described brush holder is provided with the shift knob be connected with power supply device.
Further, described vibration generating arrangement involving vibrations motor and motor support frame; Be provided with the semi-enclosed inner chamber holding vibrating motor in described motor support frame, be provided with front cushion pad between the front portion of vibrating motor and the inwall of motor support frame, the rear portion of motor support frame is provided with rear cushion pad; Described vibrating motor is located between front cushion pad and rear cushion pad; The side of described rear cushion pad contacts with vibrating motor, and opposite side contacts with power supply device.
Further, described inserted link is installed on the defeated axle of vibrating motor, and the front end face that inserted link runs through front cushion pad and electric machine support successively extends to the outside of brush holder; Described inserted link is arranged with ripple type sealing ring.
Further, the outer wall of the front portion of described motor support frame is arranged with an O RunddichtringO and the 2nd O RunddichtringO; One-body molded on the left and right sides outer wall of described motor support frame have circumferential positioning convex; The inwall of described brush holder is provided with the circumference corresponding with circumferential positioning convex and locates rib; The side that described rear cushion pad contacts with power supply device is provided with axial location projection; Described rear cushion pad also offers two power line via holes; Positive pole and the negative pole of the power input of described vibrating motor are all welded with power line, and power line is connected with power supply device through the power line via hole on rear cushion pad.
Further, the described power supply device circuit board that comprises accumulator, battery installing rack and be installed on power supply installing rack; The leading section of described battery installing rack is provided with the axial location hole and two power line via holes of matching with axial location projection; The left and right sides of the front portion of described battery installing rack is one-body molded circumferential positioning convex, and the rear portion of power supply installing rack is provided with two axial location buckles and a charging column; The inwall of described brush holder is provided with the axial location draw-in groove matched with axial location buckle; Described accumulator to be installed on battery installing rack and to be electrically connected with circuit board.
Further, on described circuit board, the position corresponding with shift knob is welded with starting switch; The inside of described brush holder is also provided with the rubber cushion for switch Self-resetting; The bottom of described rubber cushion is provided with the spacing fin coordinated with rear cushion pad.
Further, described charging socket comprises electro-insulating rubber sleeve pipe, spacing cutting ferrule and end cap; The inner side of described end cap is one-body molded the locating sleeve matched with charging column, and end cap offers charging jacks; One end of described electro-insulating rubber sleeve pipe is sheathed on charging column, and the other end is sheathed on locating sleeve; Described spacing cutting ferrule is sheathed between electro-insulating rubber sleeve pipe and end cap.
Further, described end cap is sheathed on the 3rd O RunddichtringO; Also one-body molded on described end cap have two wedges, and the distributing position of two wedges is corresponding with the position of axial location buckle.
Beneficial effect: a kind of electric toothbrush of the present utility model has good water resistance, by carrying out circumference location and axial location to vibration generating arrangement and power supply device to avoid collecting together of brush holder inner part, and the electro-insulating rubber sleeve pipe be equipped with in charging socket by being arranged on front cushion pad on vibration generating arrangement and rear cushion pad provides effective shockproof function.
Accompanying drawing explanation
Fig. 1 is stereoscopic structural representation of the present utility model;
Fig. 2 is the perspective view of brush holder inner part in this utility model;
Fig. 3 is the sectional structure schematic diagram of the brush holder in this utility model;
Fig. 4 is decomposition texture schematic diagram of the present utility model;
Fig. 5 is the perspective cross-sectional structural representation of vibration generating arrangement in this utility model;
Fig. 6 is the sectional structure schematic diagram of charging socket in this utility model;
Fig. 7 is the sectional structure schematic diagram of rubber cushion in this utility model;
Description of reference numerals: brush holder 1, circumference location rib 1a, axial location draw-in groove 1b, brush 2, vibration generating arrangement 3, vibrating motor 31, motor support frame 32, circumference positioning convex 32a, front cushion pad 33, rear cushion pad 34, the protruding 34a of axial location, ripple type sealing ring 35, inserted link 36, one O RunddichtringO 37, 2nd O RunddichtringO 38, power supply device 4, accumulator 41, battery installing rack 42, axial location hole 42a, circumference positioning convex 42b, axial location buckle 42c, charging column 42d, circuit board 43, starting switch 43a, charging socket 5, electro-insulating rubber sleeve pipe 51, spacing cutting ferrule 52, end cap 53, locating sleeve 53a, charging jacks 53b, wedge 53c, 3rd O RunddichtringO 54, rubber cushion 6, spacing fin 6a, shift knob 7.
Specific embodiment
Below in conjunction with Figure of description and embodiment, specific embodiment of the utility model is described in further detail:
See figures.1.and.2 shown a kind of electric toothbrush, comprises brush holder 1 and the detachable brush 2 being installed on brush holder 1 front portion; Be provided with vibration generating arrangement 3 and power supply device 4 in described brush holder 1, the rear portion of brush holder 1 is provided with charging socket 5; The front portion of described vibration machine is provided with the inserted link 36 for installing brush 2, and the front end face that inserted link 36 runs through brush holder 1 extends to outside and brush 2 grafting of brush holder 1; The front portion of described power supply device 4 is withstood the rear portion of vibration generating arrangement 3 and is electrically connected by power line and vibration generating arrangement 3, and the rear portion of power supply device 4 is connected with charging socket 5; Described brush holder 1 is provided with the shift knob 7 be connected with power supply device 4.
With reference to shown in Fig. 4 and Fig. 5, described vibration generating arrangement 3 involving vibrations motor 31 and motor support frame 32; Be provided with the semi-enclosed inner chamber holding vibrating motor 31 in described motor support frame 32, be provided with front cushion pad 33 between the front portion of vibrating motor 31 and the inwall of motor support frame 32, the rear portion of motor support frame 32 is provided with rear cushion pad 34; Described vibrating motor 31 is located between front cushion pad 33 and rear cushion pad 34; The side of described rear cushion pad 34 contacts with vibrating motor 31, and opposite side contacts with power supply device 4.
It is emphasized that, the vibration generating arrangement 3 of a kind of electric toothbrush inside of the present utility model and the main forward cushion pad 33 of the shockproof function of power supply device 4 and rear cushion pad 34 realize, when vibrating motor 31 vibration at high speed, front cushion pad 33 and rear cushion pad 34 can ensure that vibrating motor 31 itself can not be subjected to displacement in motor support frame 32, ensure that the amplitude of the outfan of vibrating motor 31 after long-term use because the displacement of vibrating motor 31 itself produces gap and then causes the situation of defeated end amplitude instability, can not finally affect the Oscillation Amplitude of brush 2; Front cushion pad 33 and rear cushion pad 34 also effectively avoid electric toothbrush and think that electric toothbrush inner body is impaired when falling or collide with.
Described inserted link 36 is installed on the defeated axle of vibrating motor 31, and the front end face that inserted link 36 runs through front cushion pad 33 and electric machine support successively extends to the outside of brush holder 1; Described inserted link 36 is arranged with ripple type sealing ring 35.
Wherein, on the output shaft that ripple stabilized seal circle is arranged on vibrating motor 31 play waterproofing protection is carried out to vibrating motor 31 while definite meaning serves the effect of spring, ensure that the vibration at high speed of brush holder support.
With reference to shown in Fig. 3, Fig. 4 and Fig. 5, the outer wall of the front portion of described motor support frame 32 is arranged with an O RunddichtringO 37 and the 2nd O RunddichtringO 38; One-body molded on the left and right sides outer wall of described motor support frame 32 have circumferential positioning convex 32a; The inwall of described brush holder 1 is provided with the circumference corresponding with circumferential positioning convex 32a and locates rib 1a; The side that described rear cushion pad 34 contacts with power supply device 4 is provided with the protruding 34a of axial location; Described rear cushion pad 34 also offers two power line via holes; Positive pole and the negative pole of the power input of described vibrating motor 31 are all welded with power line, and power line is connected with power supply device 4 through the power line via hole on rear cushion pad 34.
Wherein, first close O RunddichtringO and the 2nd O RunddichtringO 38 are installed on the outer wall of motor support frame 32 front end, waterproofing protection is carried out to the assemblage gap of the front end of brush holder 1, prevent domestic water from entering into brush holder 1 by the gap of brush holder 1 front end inner, and then effective waterproofing protection is carried out to vibration generating arrangement 3 and power supply device 4; The circumferential positioning convex 32a be arranged on motor support frame 32 locates rib 1a with the circumference being arranged on brush holder 1 inside and cooperatively interacts, while facilitating vibration machine to assemble, axial location is carried out to vibration generating arrangement 3, effectively avoid in use vibration generating arrangement 3 overall because the vibration at high speed generation circumferential offset of vibrating motor 31; Because what vibrating motor 31 exported is vibration at high speed axially, and the protruding 34a of axial location be located on rear cushion pad 34 withstands power supply device 4 and then carries out effective axial location to vibration generating arrangement 3.
With reference to shown in Fig. 4, the circuit board 43 that described power supply device 4 comprises accumulator 41, battery installing rack 42 and is installed on power supply installing rack; The leading section of described battery installing rack 42 is provided with axial location hole 42a and two the power line via hole matched with axial location projection 34a; The left and right sides of the front portion of described battery installing rack 42 is one-body molded circumferential positioning convex 42b, and the rear portion of power supply installing rack is provided with two axial location buckle 42c and charging column 42d; The inwall of described brush holder 1 is provided with the axial location draw-in groove 1b matched with axial location buckle 42c; Described accumulator 41 to be installed on battery installing rack 42 and to be electrically connected with circuit board 43.
Wherein, the axial location hole 42a being located at battery installing rack 42 front portion coordinates with the protruding 34a of the axial location be arranged on rear cushion pad 34, is mainly used for accurately installing power supply device 4, serves the effect of installing location; When axial location hole 42a and the protruding 34a assembling of axial location coincide, the circumferential positioning convex 42b be located on battery installing rack 42 can just put in place by accurate fit with the axial location rib be arranged in brush holder 1, carries out effective circumference location to power supply device 4.
It should be noted that, a kind of electric toothbrush of the present utility model is when assembling and dismantle parts, the assembling of described vibration generating arrangement 3 and power supply device 4 optimum and method for dismounting for being first assembled to brush holder 1 inside in the lump after outside assembles and merges by vibration generating arrangement 3 and power supply device 4, the axial location hole 42a of the protruding 34a of the axial location therefore on described rear cushion pad 34 and battery installing rack 42 front portion is rectangle, rectangular preiection and rectangular opening serve the effect of circumference alignment, ensure that the circumferential positioning convex 32a on the motor support frame 32 and circumferential positioning convex 42b on battery installing rack 42 be also in alignment state and can locate with the circumference of brush holder 1 inside under final confined state rib 1a practise simultaneously assemble identical.
With reference to shown in Fig. 3 and Fig. 7, on described circuit board 43, the position corresponding with shift knob 7 is welded with starting switch 43a; The inside of described brush holder 1 is also provided with the rubber cushion 6 for switch Self-resetting; The bottom of described rubber cushion 6 is provided with the spacing fin 6a coordinated with rear cushion pad 34.
Comfort level during in order to ensure the physical life of shift knob 7 and press, need, in shift knob 7 bottom, elastic component is installed, but because the direction of motion of shift knob 7 is perpendicular to the direction of vibration of brush 2, also the assembly direction of all part inner with brush holder 1 is vertical, therefore the elastic component (as spring) along shift knob 7 direction of motion is arranged in inconvenience, the rubber cushion 6 therefore with Self-resetting effect well solves this problem, described rubber cushion 6 fits in the upper surface of vibration generating arrangement 3 when mounted and fits with the inwall of brush holder 1, it should be noted that, the thickness of described rubber cushion 6 presents the trend of linear transformation, the thickness at proximity switch button 7 place is maximum and the thick end close to brush 2 place is minimum, this design is also conducive to rubber cushion 6 and is seated in the lump with vibration generating arrangement 3 while ensure that the elastic force that rubber cushion 6 occurs in deformation place, the upper edge that the spacing fin 6a being provided with rubber cushion 6 bottom withstands rear cushion pad 34 ensure that the accuracy of rubber cushion 6 rigging position.
With reference to shown in Fig. 3 and Fig. 6, described charging socket 5 comprises electro-insulating rubber sleeve pipe 51, spacing cutting ferrule 52 and end cap 53; The inner side of described end cap 53 is one-body molded the locating sleeve 53a matched with charging column 42d, end cap 53 offers charging jacks 53b; One end of described electro-insulating rubber sleeve pipe 51 is sheathed on charging column 42d, and the other end is sheathed on locating sleeve 53a; Described spacing cutting ferrule 52 is sheathed between electro-insulating rubber sleeve pipe 51 and end cap 53.
Described end cap 53 is sheathed on the 3rd O RunddichtringO 54; Also one-body molded on described end cap 53 have two wedge 53c, and the distributing position of two wedge 53c is corresponding with the position of axial location buckle 42c.
Wherein, electro-insulating rubber sleeve pipe 51, implementing the effect serving insulation protection while pretightning force ensures shockproof effect to power supply device 4, ensure that charging security; 3rd O sealing ring can go out carry out waterproofing protection to end cap 53, and when end cap 53 is seated, the axial location buckle 42c of wedge 53c to battery installing rack 42 rear portion carries out top pressure, makes it coordinate closely with the axial location draw-in groove 1b in brush holder 1.
The above, it is only preferred embodiment of the present utility model, not any restriction is made to technical scope of the present utility model, therefore every above embodiment is done according to technical spirit of the present utility model any trickle amendment, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (8)
1. an electric toothbrush, is characterized in that: comprise brush holder (1) and the detachable brush (2) being installed on brush holder (1) front portion; Be provided with vibration generating arrangement (3) and power supply device (4) in described brush holder (1), the rear portion of brush holder (1) is provided with charging socket (5); The front portion of described vibration machine is provided with the inserted link (36) for installing brush (2), and the front end face that inserted link (36) runs through brush holder (1) extends to outside and brush (2) grafting of brush holder (1); The front portion of described power supply device (4) is withstood the rear portion of vibration generating arrangement (3) and is electrically connected by power line and vibration generating arrangement (3), and the rear portion of power supply device (4) is connected with charging socket (5); Described brush holder (1) is provided with the shift knob (7) be connected with power supply device (4).
2. a kind of electric toothbrush according to claim 1, is characterized in that: described vibration generating arrangement (3) involving vibrations motor (31) and motor support frame (32); The semi-enclosed inner chamber holding vibrating motor (31) is provided with in described motor support frame (32), be provided with front cushion pad (33) between the front portion of vibrating motor (31) and the inwall of motor support frame (32), the rear portion of motor support frame (32) is provided with rear cushion pad (34); Described vibrating motor (31) is located between front cushion pad (33) and rear cushion pad (34); The side of described rear cushion pad (34) contacts with vibrating motor (31), and opposite side contacts with power supply device (4).
3. a kind of electric toothbrush according to claim 1 and 2, it is characterized in that: described inserted link (36) is installed on the defeated axle of vibrating motor (31), the front end face that inserted link (36) runs through front cushion pad (33) and electric machine support successively extends to the outside of brush holder (1); Described inserted link (36) is arranged with ripple type sealing ring (35).
4. a kind of electric toothbrush according to claim 2, is characterized in that: the outer wall of the front portion of described motor support frame (32) is arranged with an O RunddichtringO (37) and the 2nd O RunddichtringO (38); One-body molded on the left and right sides outer wall of described motor support frame (32) have circumferential positioning convex (32a); The inwall of described brush holder (1) is provided with the circumference corresponding with circumferential positioning convex (32a) and locates rib (1a); The upper side contacted with power supply device (4) of described rear cushion pad (34) is provided with axial location projection (34a); Described rear cushion pad (34) also offers two power line via holes; Positive pole and the negative pole of the power input of described vibrating motor (31) are all welded with power line, and power line is connected with power supply device (4) through the power line via hole on rear cushion pad (34).
5. a kind of electric toothbrush according to claim 1, is characterized in that: the circuit board (43) that described power supply device (4) comprises accumulator (41), battery installing rack (42) and is installed on power supply installing rack; The leading section of described battery installing rack (42) is provided with the axial location hole (42a) and two power line via holes of matching with axial location projection (34a); The left and right sides of the front portion of described battery installing rack (42) is one-body molded circumferential positioning convex (42b), and the rear portion of power supply installing rack is provided with two axial location buckles (42c) and a charging column (42d); The inwall of described brush holder (1) is provided with the axial location draw-in groove (1b) matched with axial location buckle (42c); Described accumulator (41) is installed on battery installing rack (42) and goes up and be electrically connected with circuit board (43).
6. a kind of electric toothbrush according to claim 2 or 5, is characterized in that: the upper position corresponding with shift knob (7) of described circuit board (43) is welded with starting switch (43a); The inside of described brush holder (1) is also provided with the rubber cushion (6) for switch Self-resetting; The bottom of described rubber cushion (6) is provided with the spacing fin (6a) coordinated with rear cushion pad (34).
7. a kind of electric toothbrush according to claim 5, is characterized in that: described charging socket (5) comprises electro-insulating rubber sleeve pipe (51), spacing cutting ferrule (52) and end cap (53); The inner side of described end cap (53) is one-body molded the locating sleeve (53a) matched with charging column (42d), end cap (53) offers charging jacks (53b); One end of described electro-insulating rubber sleeve pipe (51) is sheathed on charging column (42d), and the other end is sheathed on locating sleeve (53a); Described spacing cutting ferrule (52) is sheathed between electro-insulating rubber sleeve pipe (51) and end cap (53).
8. according to a kind of electric toothbrush that claim 7 is told, it is characterized in that: described end cap (53) is sheathed on the 3rd O RunddichtringO (54); Described end cap (53) is above also one-body molded two wedges (53c), and the distributing position of two wedges (53c) is corresponding with the position of axial location buckle (42c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269706.8U CN204683825U (en) | 2015-04-30 | 2015-04-30 | A kind of electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520269706.8U CN204683825U (en) | 2015-04-30 | 2015-04-30 | A kind of electric toothbrush |
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| Publication Number | Publication Date |
|---|---|
| CN204683825U true CN204683825U (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520269706.8U Active CN204683825U (en) | 2015-04-30 | 2015-04-30 | A kind of electric toothbrush |
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| CN (1) | CN204683825U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106236305A (en) * | 2016-09-08 | 2016-12-21 | 吴晓旺 | A kind of electric toothbrush |
| CN107028673A (en) * | 2017-03-29 | 2017-08-11 | 奉化市大烨宠物用品有限公司 | A kind of electric toothbrush |
| CN108712050A (en) * | 2018-07-26 | 2018-10-26 | 广州薇美姿实业有限公司 | A kind of electric toothbrush with linear vibration electric motor |
| CN110354396A (en) * | 2019-07-04 | 2019-10-22 | 深圳市捷智信智能科技有限公司 | A kind of photocatalyst acoustic power toothbrush |
| CN111643202A (en) * | 2020-05-23 | 2020-09-11 | 河北春立航诺新材料科技有限公司 | Structure optimization method, device and system of tooth appliance |
| WO2022143915A1 (en) * | 2021-01-04 | 2022-07-07 | 美家智能科技(广州)有限公司 | Handle device and electric toothbrush |
| CN114732550A (en) * | 2016-01-25 | 2022-07-12 | 洁碧有限公司 | Reduced form factor oral irrigator |
-
2015
- 2015-04-30 CN CN201520269706.8U patent/CN204683825U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114732550A (en) * | 2016-01-25 | 2022-07-12 | 洁碧有限公司 | Reduced form factor oral irrigator |
| CN106236305A (en) * | 2016-09-08 | 2016-12-21 | 吴晓旺 | A kind of electric toothbrush |
| CN106236305B (en) * | 2016-09-08 | 2018-05-25 | 吴晓旺 | A kind of electric toothbrush |
| CN107028673A (en) * | 2017-03-29 | 2017-08-11 | 奉化市大烨宠物用品有限公司 | A kind of electric toothbrush |
| CN108712050A (en) * | 2018-07-26 | 2018-10-26 | 广州薇美姿实业有限公司 | A kind of electric toothbrush with linear vibration electric motor |
| CN110354396A (en) * | 2019-07-04 | 2019-10-22 | 深圳市捷智信智能科技有限公司 | A kind of photocatalyst acoustic power toothbrush |
| CN111643202A (en) * | 2020-05-23 | 2020-09-11 | 河北春立航诺新材料科技有限公司 | Structure optimization method, device and system of tooth appliance |
| WO2022143915A1 (en) * | 2021-01-04 | 2022-07-07 | 美家智能科技(广州)有限公司 | Handle device and electric toothbrush |
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