CN201524150U - Transmission device of electric toothbrush - Google Patents
Transmission device of electric toothbrush Download PDFInfo
- Publication number
- CN201524150U CN201524150U CN2009201963311U CN200920196331U CN201524150U CN 201524150 U CN201524150 U CN 201524150U CN 2009201963311 U CN2009201963311 U CN 2009201963311U CN 200920196331 U CN200920196331 U CN 200920196331U CN 201524150 U CN201524150 U CN 201524150U
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- CN
- China
- Prior art keywords
- electric toothbrush
- coupling piece
- motor
- spring
- toothbrush
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- Expired - Fee Related
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Abstract
The utility model provides a transmission device (8) of an electric toothbrush, which is formed by connecting an eccentric wheel (82), a connecting rod (83), a flexible transmission rod (85) and a coupling piece (87) from top to bottom, wherein the lower end of the coupling piece is connected with an output shaft of a motor (9); the upper end of the eccentric wheel is connected with a bearing (81) by a shaft; the bearing is used for installing a connecting device in a toothbrush head sleeve (7), wherein the flexible transmission rod is a helical cylindrical spring; and a shaft core (84) arranged at the lower end of the connecting rod and a shaft core (87) arranged at the upper end of the coupling piece are respectively in interference-fit with inner holes of the two ends of the spring as the flexible transmission rod. Compared with the prior art, the transmission device has good vibration absorbing effect, can well reduce vibration applied on the motor, lead the hands to feel comfortable when the electric toothbrush is held, and enhance the vibration amplitude of the toothbrush head, thus being beneficial to cleaning the teeth; and simultaneously the flexible transmission rod which acts as a spring is not easily broken, thus leading the electric toothbrush to be more durable.
Description
Technical field the utility model relates to a kind of actuating device of electric toothbrush.
The actuating device of background technology electric toothbrush is the connecting device between motor and the head toothbrushes in the electric toothbrush, is converted into the vibration of head toothbrushes in order to the rotation with motor, thereby by the head toothbrushes of vibration tooth is cleaned.The transmission structures of electric toothbrush in the past has eccentric 2, connecting rod 3, flexible drive link 4 and 5 four parts of coupling piece to be formed by connecting with the axis hole interference fit separately from top to bottom as shown in Figure 1.Wherein the coupling piece lower end is connected with the output shaft of motor 6, and the eccentric upper end is connected with a bearing 1 through axle, and bearing is mounted in the Toothbrush head cover, and head toothbrushes is installed on the Toothbrush head cover.During work, motor drives the connecting device high speed rotating through coupling piece, can produce vibration and make the toothbrush vibration through axle bed and Toothbrush head cover at eccentric effect lower connecting device, flexible drive link part then has this transfer of vibration of elimination to motor and make the flexible effect of bearing this vibration of actuating device.Because flexible drive link is the rod shaped structure that is made of plastics in the actuating device, so there is following defective: if flexible drive link thick elasticity could make the suffered vibrations of motor big inadequately, make when holding electric toothbrush feel uncomfortable; And thin can produce insufficient strength, as keeping the needed amplitude defective of fracture easily.
Summary of the invention is at above-mentioned defective, and this utility model is exactly that a kind of actuating device that improves the Oscillation Amplitude of electric toothbrush and make the electric toothbrush that improves feel when holding electric toothbrush will be provided.
The actuating device 8 of the electric toothbrush that this practicality provides, there are eccentric 82, connecting rod 83, flexible drive link 85 and 87 4 parts of coupling piece to be formed by connecting from top to bottom, wherein the coupling piece lower end is connected with the output shaft of motor 9, the eccentric upper end is connected with a bearing 81 through axle, bearing is used for connecting device is installed in the Toothbrush head cover 7, wherein flexible drive link is a spiral cylinder spring, and the connecting rod lower end has a core 84 and coupling piece upper end to have a core 87 to make interference fit with this endoporus as the both ends of the spring of flexible drive link respectively.
The actuating device of the electric toothbrush that this practicality provides, with the flexible drive link of spiral cylinder spring replacement plastics wherein, this makes the existing enough elasticity of flexible drive link has suitable rigidity and intensity again.Compared with prior art, this utility model absorbing vibration is effective, can reduce the suffered vibrations of motor well, makes that to hold electric toothbrush when work feel comfortable.And head toothbrushes position amplitude strengthens, and so more helps tooth is cleaned.The flexible drive link that is served as by spring frangibility not simultaneously, this makes electric toothbrush use more for a long time.And the material cost of spring and cost of manufacture are lower than corresponding working of plastics institute consuming cost.
Description of drawings Fig. 1 is the transmission structures figure of an electric toothbrush in the prior art, among the figure: 1-bearing, 2-eccentric, 3-connecting rod, the flexible drive link of 4-, 5-coupling piece, 6-motor;
Fig. 2 is the structure chart of this utility model one embodiment, among the figure: 7-Toothbrush head cover, the actuating device of 8-electric toothbrush, 9-motor;
Fig. 3 is that the installation of drive link and motor part among Fig. 2 concern sketch map, among the figure: the actuating device of 8-electric toothbrush, 81-bearing, 82-eccentric, 83-connecting rod, 84-axle core, 85-flexibility drive link, 86-axle core, 87-coupling piece, 9-motor.
The specific embodiment as shown in Figure 2, the actuating device 8 of the electric toothbrush that this embodiment provided is installed between Toothbrush head cover 7 and the motor 9, actuating device 8 structures of wherein electric toothbrush as shown in Figure 3: flexible drive link 85 that the molded connecting rod made from metal that forms 83 of eccentric 82, plastics, the spiral cylinder spring made from metal serve as arranged and be formed by connecting from top to bottom with the molded coupling piece that forms 87 of plastics.Wherein, the mandrel 86 that extend mandrel 84 that extends with the connecting rod lower end respectively as the endoporus of the both ends of the spring of flexible drive link and locating wheel upper end is made interference fit, and spring and they are tightly linked together.Equally between eccentric and the connecting rod still be connected by interference fit with axis hole with prior art.The eccentric upper end is installed in the Toothbrush head cover inwall with beam warp bearing 81, and the axle of brearing bore and eccentric upper end is made matched in clearance, and outer cylinder and Toothbrush head cover inwall are made interference fits.The coupling piece lower end is installed on the motor output shaft with axis hole.High speed rotating is made by the actuating device that coupling piece drives electric toothbrush in motor 9 energising back, and the eccentric force that eccentric produces when rotating produces vibration and passes to the electric toothbrush headgear through bearing, thereby realizes the purpose that vibration is brushed teeth.And spring provides the elasticity and the absorbing vibration that vibrate needed drive link not to make motor be driven vibration influence product quality and comfort therein.
Claims (1)
1. the actuating device of an electric toothbrush [8], eccentric [82] is arranged from top to bottom, connecting rod [83], flexible drive link [85] and [87] four parts of coupling piece are formed by connecting, wherein the coupling piece lower end is connected with the output shaft of motor [9], the eccentric upper end is connected with a bearing [81] through axle, bearing is used for connecting device is installed in the Toothbrush head cover [7], it is characterized in that said flexible drive link is a spiral cylinder spring, the connecting rod lower end has a core [84] and coupling piece upper end to have a core [87] to make interference fit with this endoporus as the both ends of the spring of flexible drive link respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201963311U CN201524150U (en) | 2009-09-11 | 2009-09-11 | Transmission device of electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201963311U CN201524150U (en) | 2009-09-11 | 2009-09-11 | Transmission device of electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201524150U true CN201524150U (en) | 2010-07-14 |
Family
ID=42515451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201963311U Expired - Fee Related CN201524150U (en) | 2009-09-11 | 2009-09-11 | Transmission device of electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201524150U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739535A (en) * | 2015-04-10 | 2015-07-01 | 湖州职业技术学院 | Deep-cleaning electric toothbrush |
| CN106983569A (en) * | 2017-05-11 | 2017-07-28 | 广东百晟图电器实业有限公司 | A kind of transmission mechanism of acoustic toothbrush and a kind of acoustic toothbrush |
| KR20180045657A (en) * | 2016-10-26 | 2018-05-04 | 주식회사 엘지생활건강 | vibrating toothbrush and eccentric shaft |
| CN110368126A (en) * | 2019-08-19 | 2019-10-25 | 珠海大拇指跨境电商有限公司 | A kind of drive mechanism of electric toothbrush and electric toothbrush |
| WO2019208846A1 (en) * | 2018-04-25 | 2019-10-31 | 주식회사 엘지생활건강 | Vibrating toothbrush and eccentric shaft |
| KR20190124685A (en) * | 2016-10-26 | 2019-11-05 | 주식회사 엘지생활건강 | vibrating toothbrush and eccentric shaft |
| CN111212585A (en) * | 2017-10-13 | 2020-05-29 | 皇家飞利浦有限公司 | Personal care apparatus with high pressure indicator |
-
2009
- 2009-09-11 CN CN2009201963311U patent/CN201524150U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104739535A (en) * | 2015-04-10 | 2015-07-01 | 湖州职业技术学院 | Deep-cleaning electric toothbrush |
| KR20180045657A (en) * | 2016-10-26 | 2018-05-04 | 주식회사 엘지생활건강 | vibrating toothbrush and eccentric shaft |
| KR20190124685A (en) * | 2016-10-26 | 2019-11-05 | 주식회사 엘지생활건강 | vibrating toothbrush and eccentric shaft |
| KR102043450B1 (en) | 2016-10-26 | 2019-11-12 | 주식회사 엘지생활건강 | vibrating toothbrush and eccentric shaft |
| KR102406428B1 (en) | 2016-10-26 | 2022-06-08 | 주식회사 엘지생활건강 | vibrating toothbrush and eccentric shaft |
| CN106983569A (en) * | 2017-05-11 | 2017-07-28 | 广东百晟图电器实业有限公司 | A kind of transmission mechanism of acoustic toothbrush and a kind of acoustic toothbrush |
| CN111212585A (en) * | 2017-10-13 | 2020-05-29 | 皇家飞利浦有限公司 | Personal care apparatus with high pressure indicator |
| US11684148B2 (en) | 2017-10-13 | 2023-06-27 | Koninklijke Philips N.V. | Personal care device with high pressure indicator |
| WO2019208846A1 (en) * | 2018-04-25 | 2019-10-31 | 주식회사 엘지생활건강 | Vibrating toothbrush and eccentric shaft |
| US11678738B2 (en) | 2018-04-25 | 2023-06-20 | Lg Household & Health Care Ltd. | Vibrating toothbrush and eccentric shaft |
| CN110368126A (en) * | 2019-08-19 | 2019-10-25 | 珠海大拇指跨境电商有限公司 | A kind of drive mechanism of electric toothbrush and electric toothbrush |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20120911 |