WO2012120741A1 - Dispositif de génération de vibrations et brosse à dents électrique - Google Patents

Dispositif de génération de vibrations et brosse à dents électrique Download PDF

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Publication number
WO2012120741A1
WO2012120741A1 PCT/JP2011/078660 JP2011078660W WO2012120741A1 WO 2012120741 A1 WO2012120741 A1 WO 2012120741A1 JP 2011078660 W JP2011078660 W JP 2011078660W WO 2012120741 A1 WO2012120741 A1 WO 2012120741A1
Authority
WO
WIPO (PCT)
Prior art keywords
drive unit
vibration
electric toothbrush
case
fixing
Prior art date
Application number
PCT/JP2011/078660
Other languages
English (en)
Japanese (ja)
Inventor
裕道 畑
Original Assignee
オムロンヘルスケア株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by オムロンヘルスケア株式会社 filed Critical オムロンヘルスケア株式会社
Publication of WO2012120741A1 publication Critical patent/WO2012120741A1/fr

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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
    • A61C17/225—Handles or details thereof

Definitions

  • the present invention relates to a vibration generator and an electric toothbrush, and more particularly to a vibration generator and an electric toothbrush that include a drive unit and a vibration member, and the vibration member is vibrated by the drive unit.
  • the vibration generator includes a drive unit and a vibration member.
  • Patent Document 1 discloses an invention relating to an electric toothbrush as an example of a vibration generator.
  • the electric toothbrush disclosed in Patent Document 1 includes a drive unit and a brush that vibrates at high speed as a vibration member.
  • Patent Document 2 JP 2002-199923 A discloses an invention relating to an electric toothbrush provided with a case and a decorative sheet as another example of the vibration generator.
  • the case of the present invention is formed in a double cylinder shape from an inner case and a transparent or translucent outer case that fits outside the inner case. A decorative sheet is loaded between the inner and outer cases.
  • Patent Document 2 states that according to the present invention, the aesthetics and cleanliness of the case can be maintained over a long period of time.
  • JP 2009-136486 A Japanese Patent Laid-Open No. 2002-199923
  • An object of this invention is to provide the vibration generator and electric toothbrush which can improve the designability.
  • a vibration generator includes a cylindrical portion made of a transparent or translucent member and having an opening at one end, and a bottom provided so that an inner surface closes the other end of the cylindrical portion. And a decorative portion provided on the inner surface of the cylindrical portion, a drive unit disposed in the case, a lid member attached to the one end side of the cylindrical portion, and the lid member A vibration member disposed on the opposite side of the case and configured to transmit vibration from the drive unit.
  • the drive unit is fixed to the inner surface on the one end side of the cylindrical portion.
  • One fixing portion is provided, and a gap is formed between the drive unit and the cylindrical portion so as to surround substantially the entire circumference of the drive unit.
  • the drive unit is provided with a second fixing portion that is fixed to the inner surface of the bottom portion.
  • the other end of the drive unit is made of an elastic body.
  • the inner surface of the bottom is recessed in a spherical shape, and the elastic body is protruded in a hemispherical shape corresponding to the shape of the inner surface of the bottom.
  • the cylindrical part and the bottom part are integrally molded.
  • the decorative portion is formed by performing a coating process on the inner surface of the cylindrical portion.
  • the lid member is provided so as to cover a portion where the first fixing portion of the drive unit is fixed to the inner surface on the one end side of the cylindrical portion.
  • An electric toothbrush according to the present invention is composed of the vibration generating device according to the present invention.
  • Embodiments according to the present invention will be described below with reference to the drawings.
  • the embodiment will be described based on an electric toothbrush that generates vibration by rotation of a motor as an example of a vibration generator.
  • the scope of the present invention is not necessarily limited to the number, amount, or the like unless otherwise specified.
  • the same parts and corresponding parts are denoted by the same reference numerals, and redundant description may not be repeated.
  • FIG. 1 is a perspective view showing a disassembled state (a state before assembly) of the electric toothbrush 100.
  • FIG. 2 is a cross-sectional view showing the electric toothbrush 100.
  • FIG. 3 is an enlarged cross-sectional view of the fixing portions 24 and 25 (first fixing portion) (details will be described later) and the fixing portion 26 (second fixing portion) (details will be described later) in the electric toothbrush 100. .
  • the electric toothbrush 100 includes an outer case 10 (corresponding to a case in the present invention), a drive unit 20, a lid member 30, and a hygiene holding member 40 (vibrating member).
  • the outer case 10 is gripped by the user of the electric toothbrush 100.
  • the outer case 10 includes a cylindrical portion 11 and a bottom portion 12, and is configured in a bottomed cylindrical shape as a whole.
  • the cylindrical part 11 is comprised from a transparent or translucent member.
  • the tubular portion 11 has a light-transmitting property (transparency) such that a decorative portion 18 (details will be described later) provided inside the tubular portion 11 can be visually recognized from the outside of the tubular portion 11.
  • An operation portion 17 is provided at a predetermined position on the outer surface of the cylindrical portion 11.
  • An opening 11H is formed at one end 11A of the cylindrical portion 11.
  • an O-ring 13, concave portions 14 and 15, and a convex portion 16 are provided on the outer surface 11AS on the one end 11A side of the cylindrical portion 11.
  • the O-ring 13 is provided in an annular shape so as to surround the outer surface 11AS.
  • the O-ring 13 closes a gap formed between the outer surface 11AS and the inner surface of a lid member 30 (details will be described later) fitted into the outer surface 11AS in a liquid-tight manner.
  • the waterproofness of the electric toothbrush 100 is improved by the O-ring 13 (see FIG. 3).
  • the concave portion 14 engages with a fixing portion 24 (first fixing portion) (see FIG. 3, details will be described later) provided on the outer surface of the drive unit 20 (middle case 21).
  • the concave portion 15 engages with a fixing portion 25 (another first fixing portion) (see FIG. 3, details will be described later) provided on the outer surface of the drive unit 20 (middle case 21).
  • the convex portion 16 engages with a concave portion 26 ⁇ / b> M (see FIG. 3, details will be described later) provided on the inner surface of the lid member 30.
  • the bottom portion 12 has an inner surface 12S and is provided so as to close the other end 11B of the cylindrical portion 11.
  • the bottom 12 may also be composed of a transparent or translucent member.
  • the inner surface 11S of the cylindrical part 11 and the inner surface 12S of the bottom part 12 are formed so as to be continuous with each other.
  • the cylindrical part 11 and the bottom part 12 are good to be integrally molded. According to the integral molding, design properties as the electric toothbrush 100 are improved.
  • the cylindrical part 11 and the bottom part 12 are integrally molded, the cylindrical part 11 and the bottom part 12 are produced, for example, by injection molding an uncolored ABS resin (Acrylonitrile Butadiene Styrene copolymer synthetic resin).
  • ABS resin Adiene Butadiene Styrene copolymer synthetic resin.
  • the cylindrical portion 11 and the bottom portion 12 may be integrated with each other after being prepared as separate members.
  • a decorative portion 18 is provided on the inner surface 11S of the cylindrical portion 11.
  • the decoration part 18 is comprised from film-like sheets, such as a colored polycarbonate, for example.
  • the sheet is prepared as a separate member from the cylindrical portion 11.
  • seat is inserted in the cylindrical part 11 in the state curved in the cylinder shape.
  • seat is arrange
  • seat may be provided on the inner surface 11S of the cylindrical part 11 by insert molding.
  • seat may be provided on the inner surface 11S of the cylindrical part 11 by film insert molding.
  • the decoration portion 18 may be formed by applying a coating process such as spraying to the inner surface 11S of the tubular portion 11. According to the said structure, it becomes possible to improve the designability compared with the case where the decorating part 18 is comprised from a film-like sheet
  • the decoration portion 18 may be formed by applying a coating process such as spraying to the inner surface 12S of the bottom portion 12 in addition to the inner surface 11S of the cylindrical portion 11. According to the said structure, compared with the case where the decorating part 18 is comprised from a film-like sheet
  • the drive unit 20 is comprised by the substantially rod shape toward the other end 20B from the one end 20A. As indicated by an arrow AR1 (see FIG. 1), the drive unit 20 is inserted and disposed in the outer case 10 through the opening 11H of the cylindrical portion 11.
  • the drive unit 20 includes a middle case 21, an inner case 21M, an inner case 21N (see FIG. 2), a vibration transmission member 22, a motor 28 (see FIG. 2), an eccentric weight 28W (see FIG. 2), a control board 23, and a power supply unit. 27 (see FIG. 2), a power feeding coil 29 (see FIG. 2), and a fixing portion 26 (second fixing portion).
  • the inner case 21M is a basic structural member constituting the drive unit 20, and is provided from the upper side (the one end 20A side) to the lower side (the other end 20B side) of the drive unit 20 (see FIG. 1).
  • the upper part of the inner case 21M and the inner case 21N (see FIG. 2) are combined with each other to form a cylindrical shape.
  • the cylindrical part formed by the combination of the upper part of the inner case 21M and the inner case 21N is held by fastening bolts 21B (see FIG. 3).
  • a cylindrical middle case 21 is attached so as to surround the cylindrical portion from the outside (see FIG. 1).
  • annular rubber cap 21L (see also FIG. 1) is provided so as to cover the front end portion 21K of the middle case 21.
  • a fixing portion 24 and a fixing portion 25 as a first fixing portion are provided on the outer surface of the middle case 21.
  • the fixing portion 24 engages with the recess 14 in the outer case 10.
  • the fixing portion 25 engages with the concave portion 15 in the outer case 10.
  • the drive unit 20 is fixed to the outer case 10 (the inner surface 11S of the cylindrical portion 11) by the engagement between the fixing portion 24 and the concave portion 14 and the engagement between the fixing portion 25 and the concave portion 15.
  • a vibration transmission member 22 is provided so as to protrude from above the middle case 21.
  • a motor 28 and an eccentric weight 28W are provided inside a portion formed in a cylindrical shape by the inner case 21M and the inner case 21N.
  • the lower end of the vibration transmitting member 22 is disposed so as to face the eccentric weight 28 ⁇ / b> W attached to the motor 28.
  • the lower end of the vibration transmitting member 22 is connected to the inner case 21M and the inner case 21N with an elastic member 21R such as rubber formed in a thin film.
  • the vibration generated by the rotation of the eccentric weight 28W is transmitted to the vibration transmitting member 22 through the inner case 21M, the inner case 21N, and the elastic member 21R.
  • the control board 23 is provided so as to extend along the longitudinal direction of the drive unit 20 along the outer shape of the drive unit 20.
  • Various switches are mounted on the surface of the control board 23. These switches are arranged so as to correspond to the position of the operation unit 17 provided on the outer case 10.
  • the power supply unit 27 is disposed inside the inner case 21 ⁇ / b> M and is electrically connected to the control board 23 and the motor 28.
  • the control board 23 controls the power supply unit 27 to supply / stop electric power to the motor 28.
  • the eccentric weight 28W rotates and vibration is generated.
  • the vibration is transmitted to the vibration transmitting member 22 through the inner case 21M, the inner case 21N, and the elastic member 21R.
  • the hygiene holding member 40 attached to the vibration transmission member 22 is vibrated by the vibration transmitted to the vibration transmission member 22, and the electric toothbrush 100 is used for tooth brushing and the like.
  • the power supply coil 29 is used to charge the power supply unit 27 when the electric toothbrush 100 is placed on a charger (not shown).
  • the fixing portion 26 is attached to the fitting convex portion 21T provided at the lower end of the inner case 21M.
  • the fixed portion 26 is located at the other end 20 ⁇ / b> B of the drive unit 20.
  • the fixing portion 26 is fixed to the inner surface 12S of the bottom portion 12 in the outer case 10.
  • the fixing portion 26 is fixed to the bottom portion 12.
  • the configuration of being fixed to the inner surface 12S may be adopted as necessary.
  • the fixing part 26 in the drive unit 20 When the fixing part 26 in the drive unit 20 is fixed to the inner surface 12S of the bottom part 12, the fixing part 26 may be made of an elastic body such as silicon rubber. An anti-vibration (damping) effect for the outer case 10 of the drive unit 20 can be obtained.
  • the fixing portion 26 may be configured integrally with the inner case 21M. In this case, the lower end of the inner case 21M (the other end 20B of the drive unit 20) may be configured as a part of the inner case 21M from a relatively soft resin or the like.
  • the inner surface 12S of the bottom portion 12 may be recessed in a spherical shape.
  • the fixing portion 26 is preferably provided in a hemispherical shape corresponding to the shape of the inner surface 12S of the bottom portion 12. According to the said structure, the fixing
  • a gap S is formed between the drive unit 20 and the inner surface 11 ⁇ / b> S of the cylindrical portion 11.
  • the gap S in the electric toothbrush 100 is formed so as to surround substantially the entire circumference of the drive unit 20.
  • the drive unit 20 is fixed to the outer case 10 by fixing by the recesses 14 and 15 and the fixing portions 24 and 25 (and fixing by the fixing portion 25 and the bottom 12 as necessary).
  • the A rib or the like for fixing the drive unit 20 is not provided on the inner surface 11S of the cylindrical portion 11 (particularly, the portion constituting the design surface).
  • the portion where the drive unit 20 is in contact with the outer case 10 includes an engagement portion between the recesses 14 and 15 and the fixing portions 24 and 25, and a contact portion between the operation portion 17 and the control board 23 (necessary). Accordingly, the entire surface of the drive unit 20 is not in contact with the outer case 10 (the inner surface 11S of the cylindrical portion 11).
  • the gap S forms a cylindrical space that communicates substantially entirely from the engaging portion between the recesses 14 and 15 and the fixing portions 24 and 25 to the fixing portion 26.
  • the lid member 30 is attached to one end 11 ⁇ / b> A of the outer case 10 (cylindrical portion 11) in a state where the drive unit 20 is disposed in the outer case 10 (in FIG. 1). (See arrow AR2).
  • the lid member 30 is formed in an annular shape whose diameter gradually increases from one end 31 (see FIG. 1) to the other end 32 (see FIG. 1).
  • An annular recess 26 ⁇ / b> M (see FIG. 3) that engages with the protrusion 16 of the outer case 10 is provided on the inner surface of the lid member 30.
  • the lid member 30 includes an outer surface 11AS (see FIG. 1) on the one end 11A side of the cylindrical portion 11 and a cap 21L provided on the one end 20A side of the drive unit 20 (middle case 21) on the outer side in the cylinder radial direction. It is attached to cover. At this time, the concave portions 14 and 15 of the cylindrical portion 11 are preferably configured to be covered with the lid member 30. According to the said structure, the fixing
  • the hygiene holding member 40 as the vibration member includes a brush part 41 and a stem part 42 for holding hygiene in the mouth.
  • the brush portion 41 is made of, for example, nylon (hairy).
  • the stem portion 42 is made of, for example, polycarbonate. From the viewpoint of design, the lower side of the stem portion 42 may be configured from an opaque member, and the upper side of the stem portion 42 may be configured from a transparent member.
  • the lower side of the stem portion 42 is formed of an opaque member and the upper side of the stem portion 42 is formed of a transparent member.
  • 42A may be composed of a transparent member
  • the interior portion 42B constituting the inner lower portion of the stem portion 42 may be composed of an opaque member.
  • the interior portion 42B (the color of the decorated interior portion 42B) can be visually recognized through the exterior portion 42A. Even with this configuration, the design of the stem portion 42 can be improved.
  • a recess 43 corresponding to the surface shape of the vibration transmitting member 22 is provided inside the stem portion 42.
  • the hygiene holding member 40 is fixed to the drive unit 20 by inserting the vibration transmitting member 22 into the recess 43 (see arrow AR3 in FIG. 1).
  • the sanitation holding member 40 In a state where the sanitation holding member 40 is fixed to the drive unit 20, the sanitation holding member 40 is located on the opposite side of the outer case 10 with the lid member 30 interposed therebetween.
  • the hygiene holding member 40 may be a silicone piece for massage.
  • the power supply ON / OFF is switched by operating the operation unit 17.
  • the hygiene holding member 40 In particular, the brush portion 41
  • the electric toothbrush 100 in the embodiment is configured as described above.
  • a rib or the like for fixing the drive unit 20 is not provided on the inner surface 11S of the cylindrical portion 11 (particularly, the portion constituting the design surface).
  • the gap S in the electric toothbrush 100 is formed so as to surround substantially the entire circumference of the drive unit 20.
  • the gap S is formed as a cylindrical space that communicates over substantially the entire area from the engagement portion between the recesses 14 and 15 and the fixing portions 24 and 25 to the fixing portion 26.
  • the appearance of the decorative portion 18 provided on the inner surface 11S of the cylindrical portion 11 is not hindered by the ribs or the like.
  • the decoration part 18 can exhibit high designability through the cylindrical part 11 comprised from the transparent or translucent member.
  • the bottom portion 12 forms a so-called transparent resin reservoir.
  • the electric toothbrush 100 can exhibit higher design properties.
  • the decorative portion 18 is provided inside the outer case 10. Even when the electric toothbrush 100 is placed near a toothpaste, a mouthwash, or a cosmetic in a toilet or the like, the decorative portion 18 does not deteriorate and exhibits high designability for a long period of time. can do.
  • the electric toothbrush has been described as an example of the vibration generating device.
  • the embodiment disclosed this time should be considered as illustrative in all points and not restrictive. is there.
  • the vibration generator according to the present invention is not limited to an electric toothbrush, but can also be applied to a scalp brush with a vibrator function, a shaving, a dental electric surgical instrument, or an electric tool.
  • the scope of the present invention is defined by the terms of the claims, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

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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

L'invention concerne une brosse à dents électrique (100) munie de : un boîtier externe (10) comprenant une partie (11) transparente en forme de tube présentant une ouverture (11H) à une extrémité (11A) et une base (12), la surface interne (12S) de celle-ci fermant l'autre extrémité (11B) de la partie (11) en forme de tube ; une partie décorative (18) située sur la surface interne (11S) de la partie (11) en forme de tube ; et une unité d'entraînement (20) qui est disposée à l'intérieur du boîtier externe (10). L'unité d'entraînement (20) est munie d'une partie de fixation (24) qui est fixée à la surface interne (11S) vers l'extrémité (11A) de la partie (11) en forme de tube. Entre l'unité d'entraînement (20) et la partie (11) en forme de tube, il se forme un espace qui entoure substantiellement la circonférence entière de l'unité d'entraînement (20). La brosse à dents électrique (100) présente une qualité esthétique améliorée.
PCT/JP2011/078660 2011-03-07 2011-12-12 Dispositif de génération de vibrations et brosse à dents électrique WO2012120741A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-048802 2011-03-07
JP2011048802A JP2012183219A (ja) 2011-03-07 2011-03-07 振動発生装置および電動歯ブラシ

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WO2012120741A1 true WO2012120741A1 (fr) 2012-09-13

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WO (1) WO2012120741A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103405283A (zh) * 2013-05-29 2013-11-27 宁波赛嘉电器有限公司 一种电动牙刷的摆振驱动结构
CN106456302A (zh) * 2014-03-28 2017-02-22 太阳星光齿磨公司 电动牙刷

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105411712B (zh) * 2016-01-22 2017-03-22 广东罗曼智能科技股份有限公司 一种防水的电动牙刷

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003339744A (ja) * 2002-05-30 2003-12-02 Asahi Irika Kk 動力駆動歯ブラシ
JP2007000693A (ja) * 2005-06-21 2007-01-11 Matsushita Electric Works Ltd 振動型アクチュエータ
JP2008504852A (ja) * 2004-06-29 2008-02-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 電動オーラルケア器具用の内側装飾的スリーブ部材を備えた保護筐体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003339744A (ja) * 2002-05-30 2003-12-02 Asahi Irika Kk 動力駆動歯ブラシ
JP2008504852A (ja) * 2004-06-29 2008-02-21 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 電動オーラルケア器具用の内側装飾的スリーブ部材を備えた保護筐体
JP2007000693A (ja) * 2005-06-21 2007-01-11 Matsushita Electric Works Ltd 振動型アクチュエータ

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103405283A (zh) * 2013-05-29 2013-11-27 宁波赛嘉电器有限公司 一种电动牙刷的摆振驱动结构
CN106456302A (zh) * 2014-03-28 2017-02-22 太阳星光齿磨公司 电动牙刷
EP3123978A4 (fr) * 2014-03-28 2017-11-22 Sunstar Inc. Brosse à dents à entraînement électrique
CN106456302B (zh) * 2014-03-28 2018-09-28 太阳星光齿磨公司 电动牙刷

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