CN201223466Y - Electric toothbrush based on non-contact magnetic-coupling - Google Patents

Electric toothbrush based on non-contact magnetic-coupling Download PDF

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Publication number
CN201223466Y
CN201223466Y CNU2008201214686U CN200820121468U CN201223466Y CN 201223466 Y CN201223466 Y CN 201223466Y CN U2008201214686 U CNU2008201214686 U CN U2008201214686U CN 200820121468 U CN200820121468 U CN 200820121468U CN 201223466 Y CN201223466 Y CN 201223466Y
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China
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output
permanent magnet
output shaft
non
motor
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CNU2008201214686U
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Chinese (zh)
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叶洪源
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叶洪源
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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
    • A61C17/221Control arrangements therefor

Abstract

The utility model relates to an electric toothbrush based on a non-contact magnetic coupling, which mainly comprises a toothbrush body shell, driving components and output components, wherein the driving components comprise a motor and a driving permanent magnet connected with the motor; the output components comprise an elastic component, an output permanent magnet, an output shaft and a brush head; both the output permanent magnet and the output shaft are directly fixed on the elastic component, and the output permanent magnet and the driving permanent magnet are oppositely arranged in a non-contact manner; the driving permanent magnet is directly installed on the output shaft of the motor, or is connected with the output shaft of the motor through a gear and a connecting rod; the magnetic regions of the driving permanent magnet are distributed radially or axially; and the utility model has the characteristics of simple structure, mature process, high working efficiency, and the like.

Description

一种基于非接触磁耦合的电动牙刷 Based on non-contact magnetic coupling of the electric toothbrush

技术领域 FIELD

本发明涉及一种电动牙刷,属于日常生活用品。 The present invention relates to an electric toothbrush, belonging to daily necessities. 背景技术 Background technique

电动牙刷已为大众所熟悉。 Electric toothbrushes have been familiar to the public. 一般电动牙刷刷头作回转摆动,这和牙医专家的"顺齿刷牙"相违背,而且回转摆动频率较低,普遍低于100赫兹。 Usually swivel rotary electric toothbrush head as "cis tooth brushing" This is contrary to expert dentists and lower rotary wobble frequency, generally below 100 Hz.

近年来,工作在数百赫兹振动频率的顺齿电动牙刷开始走向市场,如在市场占垄断地 In recent years, the work of hundreds of hertz frequency vibration electric toothbrush along the teeth began to enter the market, such as in the monopoly market share

位的飞利浦Sonicare系列电动牙刷,其核心技术见美国专利No. 5, 189, 751 。 Bit Philips Sonicare electric toothbrush series, its core technology, see US Patent No. 5, 189, 751. 该专利技术采用电磁线圈在音频脉冲信号的作用下,形成数百赫兹的交变磁场,从而驱动在该交变磁场中的永磁体,推动牙刷头以数百赫兹的频率作平移摆动。 The patented technology uses electromagnetic coil under the effect of the audio signal pulse, several hundreds Hertz alternating magnetic field, so as to drive the alternating magnetic field of the permanent magnet, driven toothbrush head at a frequency of several hundred hertz translational swing. 由于电磁线圈采用开放结构, 磁力线不闭合,故能量交换效率较低。 An open structure since the electromagnetic coil, magnetic force lines are not closed, so the energy exchange efficiency is lower. 发明内容 SUMMARY

本发明的目的在于克服上述存在的不足,而提供一种结构简单可靠,工作效率高,牙刷刷毛能以声波振动频率顺齿作平移摆动的基于非接触磁藕合的电动牙刷。 Object of the present invention is to overcome the above deficiencies exist, and provide reliable and simple structure, high efficiency, sonic toothbrush bristles capable of translational vibration frequency of the wobble gear along a non-contact magnetic coupling based on an electric toothbrush.

本发明的目的是通过如下技术方案来完成的,它主要由牙刷体外壳、驱动组件及输出组件组成,所述的驱动组件包括一马达及与之相连的驱动永磁体;输出组件包括有一弹性构件、输出永磁体、输出轴以及牙刷头。 Object of the present invention is accomplished by the following technical solution, which mainly consists of a housing body of the toothbrush, and an output drive assembly components, the drive assembly includes a drive motor and a permanent magnet associated therewith; the output means includes a resilient member , the output of the permanent magnet, the output shaft and the brush head.

所述的输出永磁体与输出轴均直接固定于弹性构件上,输出永磁体与驱动永磁体非接触相对布置。 The output of the permanent magnet and the output shaft are directly fixed to the elastic member, the output of the permanent magnet and the driving permanent magnet opposite a non-contact arrangement.

所述的驱动永磁体直接安装在马达的输出轴上、或通过齿轮、连杆与马达输出轴相连接;所述的驱动永磁体磁区沿径向分布或作轴向分布。 Driving said permanent magnet motor is directly mounted on the output shaft, or via a gear, and the link shaft connected to the motor output; said drive permanent magnetic domains along the axial or radial distribution profile.

所述的驱动永磁体相邻安装的非接触输出永磁体,该输出永磁体与弹性构件固定连接, 而在弹性构件的前端部安装有输出轴,并在该输出轴上可拆卸地安装有牙刷头。 The drive permanent magnet mounted adjacent the output of the non-contact permanent magnet, the permanent magnet and the output of the elastic member is fixedly connected, on the front end portion of the elastic member is attached to the output shaft, and is detachably mounted on the output shaft toothbrush head.

本发明与现有技术相比较,由于本发明以马达作驱动部件,输出永磁体与驱动永磁体非接触相对布置,具有结构简单、工艺成熟,工作效率高等特点。 The present invention in comparison with the prior art, since the present invention is a motor as a driving means, the output of the permanent magnet and the driving permanent magnet opposite a non-contact arrangement, has a simple structure, mature technology, and high efficiency. 附图说明 BRIEF DESCRIPTION

图l是本发明的结构示意图。 Figure l is a schematic structural diagram of the present invention. 具体实施方式 Detailed ways

以下结合附图所示的实施例对本发明作进一步的描述。 The present invention will be further described below in connection with embodiments shown in the drawings. 如图1所示,本发明的电动牙刷主要由牙刷体外壳1、驱动组件2和输出组件3等组成;驱动组件2包括有一马达2a及驱动永磁体2b,驱动永磁体2b安装在马达2a的输出轴上,马达2a的输出轴和驱动永磁体2b—起转动,从而形成交变磁场。 As illustrated, the electric toothbrush according to the present invention consists essentially of a toothbrush body housing 1, and the output component drive assembly 2 3 etc; drive assembly 2 comprises a driving motor 2a and 2b of the permanent magnet, the permanent magnet drive motor 2a, 2b mounted an output shaft, an output shaft and a drive permanent magnet motor 2a is rotated from 2b-, thereby forming an alternating magnetic field. 驱动永磁体2b可以采用单一磁区或多个磁区。 2b may be driven with a single permanent magnet magnetic domain or more magnetic regions. 改变马达2a的转速及驱动永磁体2b磁区的数量,从而改变交变磁场的频率。 Changing the motor speed and the number of driving permanent magnets 2a, 2b of the magnetic domain, thereby changing the frequency of the alternating magnetic field.

作为对上述驱动组件2结构的补充,驱动永磁体磁区可沿径向分布,也可作轴向分布; 驱动永磁体2b可直接安装在马达2a的输出轴上,也可通过齿轮、连杆等机构和马达2a 的输出轴相连接;而马达2a可采用作回转运动的,也可选用作摆动等周期运动的马达。 As a complement to the structure of the drive assembly 2, the driving permanent magnets may be radially distributed magnetic domains, but also for the axial distribution; 2b direct drive permanent magnet mounted on the output shaft of the motor 2a, and also by a gear, a link, etc. mechanism and the output shaft 2a of the motor is connected; and the motor 2a may employ the rotary movement, the motor may also be selected as a periodic swing motion and the like.

输出组件3包括有一弹性构件3a、输出永磁体3b、输出轴3c及牙刷头3d等。 3 includes an output assembly 3a, the output of the permanent magnets 3b, 3c and an output shaft of a toothbrush head 3d like elastic member. 输出永磁体3b及输出轴3c都直接安装在弹性构件3a上,牙刷头3d和输出轴3c —般采用可折卸的连接结构;输出永磁体3b和驱动永磁体2b非接触相对安装,这样输出永磁体3b受驱动永磁体2b产生的交变磁场的激励,从而驱动弹性构件3a使牙刷头3d以数百赫兹的频率振动。 Output of the permanent magnets 3b and the output shaft 3c are mounted directly on the elastic member 3a, the brush head 3d and the output shaft 3c - generally use the connection structure can be detachable; an output permanent magnet 3b and the driving permanent magnets 2b non-contact relative to the mounting, so that the output 3b permanent magnet excitation by an alternating magnetic field generated by the driving of the permanent magnet 2b, thereby driving the resilient member 3a 3d toothbrush head vibrates at a frequency of several hundred Hertz. 输出永磁体3b可采用单磁区或多个磁区,适当改变输出永磁体3b的磁区数量同样可改变牙刷头3d的振动频率。 3b output permanent magnet magnetic domain either single or plurality of magnetic domains, the magnetic domain output appropriately changing the number of the permanent magnets 3b likewise may vary the vibration frequency of the brush head 3d. 而适当改变输出永磁体3b相对于驱动永磁体2b的位置,则可改变牙刷头3d的振动方式,使牙刷头3d实现往复摆动,扭动及转动等运动。 Appropriately varying the output of the permanent magnet 3b with respect to the driving position of the permanent magnet 2b, the vibration mode may be changed to the brush head 3d, 3d Reciprocating toothbrush head swing, twisting and the like rotational movement.

作为对上述输出组件3结构的补充,弹性构件可采用板弹簧或其它形式的弹性构件或组件。 As a complement to the structure of the output module 3, the elastic member can be in the form of a leaf spring or other resilient member or component. 输出永磁体可直接安装在弹性构件上,也可通过其它机构与弹性构件相连接;输出轴可直接安装在弹性构件上,也可通过其它机构与弹性构件相连接。 Output permanent magnets may be mounted directly on the elastic member, may be connected by other means with the elastic member; an output shaft may be directly mounted on the elastic member, may be connected by other means with the elastic member.

本发明中,可通过适当调整马达2a转速,驱动永磁体2b的磁区数量及输出永磁体3b 的磁区数量,使牙刷头3d在共振频率下工作,从而大大提高输出功率。 In the present invention, by appropriately adjusting the rotation speed of the motor 2a, the number of driving permanent magnetic sections 2b of the number of magnetic domain and the output of the permanent magnets 3b, 3d toothbrush head work at a resonance frequency, thus greatly improving the output power.

Claims (4)

1、一种基于非接触磁耦合的电动牙刷,它主要由牙刷体外壳、驱动组件及输出组件组成,其特征在于所述的驱动组件(2)包括一马达(2a)及与之相连的驱动永磁体(2b);输出组件(3)包括有一弹性构件(3a)、输出永磁体(3b)、输出轴(3c)以及牙刷头(3d)。 An electric toothbrush based on non-contact magnetic coupling, which is mainly composed of a housing body of the toothbrush, and an output drive assembly components, wherein said drive assembly (2) comprises a drive (2a) and connected thereto a motor permanent magnets (2B); output component (3) comprises an elastic member (3a), the output of the permanent magnet (3b), an output shaft (3c) and a brush head (3d).
2、 根据权利要求1所述的基于非接触磁耦合的电动牙刷,其特征在于所述的输出永磁体(3b)与输出轴Gc)均直接固定于弹性构件(3a)上,输出永磁体(3b)与驱动永磁体(2b)非接触相对布置。 2, the output of the permanent magnet (according to claim 1, based on the non-contact electric toothbrush magnetically coupled, wherein the output of said permanent magnet (3b) and the output shaft Gc) are directly fixed to the elastic member (3a) 3b) and the driving permanent magnets (2b) arranged opposite the non-contact.
3、 根据权利要求1所述的基于非接触磁耦合的电动牙刷,其特征在于所述的驱动永磁体(2b)直接安装在马达(2a)的输出轴上、或通过齿轮、连杆与马达(2a)的输出轴相连接;所述的驱动永磁体(2b)的磁区沿径向分布或作轴向分布。 3. The electric toothbrush as claimed in claim based non-contact magnetic coupling, characterized in that the driving permanent magnets (2b) mounted directly on the motor (2a) of the output shaft, or via a gear, the motor of the link 1 (2a) connected to an output shaft; said drive permanent magnet (2b) of the magnetic domain along the axial or radial distribution profile.
4、 根据权利要求1所述的基于非接触磁耦合的电动牙刷,其特征在于所述的驱动永磁体(2b)相邻安装的非接触输出永磁体(3b),该输出永磁体(3b)与弹性构件(3a)固定连接,而在弹性构件(3a)的前端部安装有输出轴Gc),并在该输出轴Gc)上可拆卸地安装有牙刷头(3d)。 4. The electric toothbrush according to claim 1, based on non-contact magnetic coupling, characterized in that the driving permanent magnets (2b) of non-contact permanent magnet mounted adjacent the output (3b), the output of the permanent magnet (3b) an elastic member is fixedly connected to (3a), and the front end portion of the elastic member (3a) is attached to the output shaft Gc), and is attached to the brush head (3d) detachably on the output shaft Gc).
CNU2008201214686U 2008-07-21 2008-07-21 Electric toothbrush based on non-contact magnetic-coupling CN201223466Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201214686U CN201223466Y (en) 2008-07-21 2008-07-21 Electric toothbrush based on non-contact magnetic-coupling

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CNU2008201214686U CN201223466Y (en) 2008-07-21 2008-07-21 Electric toothbrush based on non-contact magnetic-coupling
PCT/CN2009/071330 WO2010009633A1 (en) 2008-07-21 2009-04-17 Electric toothbrush based on no-touch magnetic coupling
US13/003,855 US20110107531A1 (en) 2008-07-21 2009-04-17 Electric toothbrush based on no-touch magnetic coupling

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CN201223466Y true CN201223466Y (en) 2009-04-22

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CN (1) CN201223466Y (en)
WO (1) WO2010009633A1 (en)

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CN104957874A (en) * 2015-06-28 2015-10-07 龙文凯 Electric plate brush horizontally driven by electromagnet

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US9154025B2 (en) 2010-07-23 2015-10-06 Braun Gmbh Personal care device
EP2410641A1 (en) 2010-07-23 2012-01-25 Braun GmbH Linear electric motor
CA2807221A1 (en) 2010-08-19 2012-02-23 Braun Gmbh Method for operating an electric appliance and electric appliance
US9099939B2 (en) 2011-07-25 2015-08-04 Braun Gmbh Linear electro-polymer motors and devices having the same
PL2550938T3 (en) 2011-07-25 2015-06-30 Braun Gmbh Oral hygiene device
ES2451021T3 (en) 2011-07-25 2014-03-26 Braun Gmbh magnetic connection between a toothbrush handle and a brush head
CN106413470B (en) 2014-03-25 2019-09-13 皇家飞利浦有限公司 Brush head device

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US5189751A (en) * 1991-03-21 1993-03-02 Gemtech, Inc. Vibrating toothbrush using a magnetic driver
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CN2451073Y (en) * 2000-10-26 2001-10-03 沃辉有限公司 High frequency vibrating tooth-brush
CN2633245Y (en) * 2003-07-03 2004-08-18 陈国成 Motor and magnet driving electric tooth-brush
KR100539408B1 (en) * 2003-11-03 2005-12-28 이팔형 A scaler
CN2803308Y (en) * 2004-11-19 2006-08-09 吴旭榕 electric toothbrush

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104957874A (en) * 2015-06-28 2015-10-07 龙文凯 Electric plate brush horizontally driven by electromagnet
CN104957874B (en) * 2015-06-28 2017-01-18 西安交通大学青岛研究院 Electric plate brush horizontally driven by electromagnet

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US20110107531A1 (en) 2011-05-12
WO2010009633A1 (en) 2010-01-28

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