WO2006041116A1 - 電動歯ブラシ - Google Patents
電動歯ブラシ Download PDFInfo
- Publication number
- WO2006041116A1 WO2006041116A1 PCT/JP2005/018842 JP2005018842W WO2006041116A1 WO 2006041116 A1 WO2006041116 A1 WO 2006041116A1 JP 2005018842 W JP2005018842 W JP 2005018842W WO 2006041116 A1 WO2006041116 A1 WO 2006041116A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brush
- guide path
- cleaning liquid
- brush guide
- air
- Prior art date
Links
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
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C15/00—Devices for cleaning between the teeth
- A61C15/04—Dental floss; Floss holders
- A61C15/046—Flossing tools
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C15/00—Devices for cleaning between the teeth
- A61C15/04—Dental floss; Floss holders
- A61C15/046—Flossing tools
- A61C15/047—Flossing tools power-driven
-
- 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
- A61C17/02—Rinsing or air-blowing devices, e.g. using fluid jets or comprising liquid medication
- A61C17/022—Air-blowing devices, e.g. with means for heating the air
-
- 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
- A61C17/32—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like reciprocating or oscillating
Definitions
- the present invention relates to an electric toothbrush that reciprocates a base body on which a brush is implanted so that an opening force toward the oral cavity enters and exits a brush tip formed of a bristle bundle.
- the main body space force provided with the reciprocating motion source is also directed toward the tip side of the brush guide path in the casing provided with the brush guide path extending to one end side.
- the base on which the brush formed of bristle bundles is implanted is reciprocated with a predetermined stroke in the direction of the brush guide path by a reciprocating motion source, and the brush tip is provided at the tip of the brush guide path having a bent portion.
- an electric toothbrush that allows the user to brush the teeth with a brush that enters and exits from the opening that is directed to the oral cavity and massages the gums (see Patent Document 1).
- a cleaning liquid tank for storing a cleaning liquid is provided, and the cleaning liquid in the cleaning liquid tank is discharged by an electric or manual pump and ejected from an opening through which the brush enters and exits. Enhance the toothpaste and massage effect.
- Patent Document 1 Japanese Patent Laid-Open No. 9322823
- the cleaning liquid sprayed into the oral cavity can be discharged to a drainage place such as a washstand, but in a place where there is no drainage place such as a living room.
- the cleaning solution cannot be discharged from the oral cavity, which is inconvenient.
- an object of the present invention is to make the main body portion light and compact, improve the tooth brushing effect and the massage effect without inconvenience, and the tip of the brush formed of a bristle bundle. It is to make sure that there is no curl and no wrinkles.
- the present invention provides a brush guide path in a casing provided with a brush guide path extending from one end side of a body space in which a reciprocating motion source is disposed.
- the base body in which a brush formed of bristles bundled toward the side is connected to the reciprocating motion source, and the front end portion of the brush enters and exits the opening force provided at the front end of the brush guide path.
- a flexible diaphragm that is displaced together with the reciprocating base is provided between the main body space and the brush guide path, and the brush guide path
- An air introduction hole having an opening / closing valve that opens only inward is provided in the middle, and when the diaphragm is displaced toward the main body space side with the reciprocation of the base body, the air introduction hole force negative pressure and Air to the brush guideway Type, when the diaphragm is displaced into the brush guide roadside compresses air introduced into the brush guide passage, and also employs a configuration for ejecting the opening force provided to its front end.
- a flexible diaphragm that is displaced along with the reciprocating base is provided between the main body space and the brush guide path, and an open / close valve that opens only inward is provided in the middle of the brush guide path.
- means for discharging the cleaning liquid in the cleaning liquid tank means for discharging the cleaning liquid in the cleaning liquid tank into the brush guide path is provided on a wall that seals the main body space and forms the main body space.
- An air introduction hole having an opening / closing valve that opens only inward is provided, and when the diaphragm is displaced toward the brush guide path side, air is introduced into the main body space where the air introduction hole force becomes negative pressure, A method of compressing the air introduced into the main body space when the diaphragm is displaced toward the main body space, introducing the compressed air into the cleaning liquid tank, and discharging the cleaning liquid in the cleaning liquid tank; By adopting it, the cleaning liquid in the cleaning liquid tank can be discharged without providing a separate pump.
- a brush formed by a bundle of bristle is reciprocated with a predetermined stroke along a brush guide path having a bent portion, and the tip of the brush is moved to the front end of the brush guide path.
- a configuration in which a straight portion or a reverse warp portion bent in the opposite direction to the bent portion is provided on the tip side of the bent portion of the brush guide path is also adopted.
- the cleaning hole By providing a cleaning hole for cleaning the brush in the pipe in the middle of the brush guide path, the cleaning hole also injects tap water or the like, and the root of the brush in the brush guide path. Part The side can be easily cleaned.
- the electric toothbrush of the present invention is provided with a flexible diaphragm that is displaced together with the reciprocating base between the main body space and the brush guide path, and only inward in the middle of the brush guide path.
- An air introduction hole having an opening / closing valve is provided at the front, and when the diaphragm is displaced toward the main body space side with the reciprocating motion of the base body, the air is introduced into the brush guide path where the air introduction hole force becomes negative pressure.
- the air introduced into the brush guide path is compressed so that the opening force provided at the tip is ejected, so a separate pump is not provided. Air can be ejected into the oral cavity, the main body can be designed to be light and compact, and even if used in places where there is no drainage, the brushing effect and massage effect can be enhanced without inconvenience.
- a cleaning liquid tank for storing the cleaning liquid is disposed in the main body space, and a means for discharging the cleaning liquid in the cleaning liquid tank to the brush guide path is provided, whereby the cleaning liquid discharged to the brush guide path is combined with air.
- the opening force provided at the tip of the brush guide path is ejected to enhance the brushing effect and massage effect.
- the main body space is sealed, and an air introduction hole having an opening / closing valve that opens only inward is provided in a wall forming the main body space, and the diaphragm is
- air introduction hole having an opening / closing valve that opens only inward
- the diaphragm is When moving to the brush guide path side, air is introduced from the air introduction hole into the main body space where negative pressure is applied.
- the diaphragm is displaced toward the main body space, the air introduced into the main body space is compressed.
- the cleaning liquid in the cleaning liquid tank can be discharged without providing a separate pump. Can do.
- the electric toothbrush of the present invention reciprocates a brush formed of a bristle bundle with a predetermined stroke along a brush guide path having a bent portion, and the tip of the brush is connected to the brush guide path.
- a straight part or a reverse warp part that is bent in the opposite direction to the bent part is provided on the tip side of the bent part of the brush guide path. The bending can be corrected at the straight or reverse warped part so that the tip of the brush does not bend and the brushing effect and the massage effect can be maintained over a long period of time.
- FIG. 1 is a partially omitted longitudinal sectional view showing an electric toothbrush of a first embodiment.
- FIG. 2 Partially omitted longitudinal sectional view showing a state in which the base body of FIG. 1 has advanced.
- FIG. 3 An enlarged longitudinal sectional view of the cleaning liquid tank and its mounting part in Fig. 1.
- FIG. 4 a is a longitudinal sectional view showing the tube tip member of FIG. 1, and b is a longitudinal sectional view showing a modification of a.
- FIG. 5 is a partially omitted longitudinal sectional view showing the electric toothbrush of the second embodiment.
- FIG. 6 is a partially omitted longitudinal sectional view showing a state in which the base body in FIG. 5 has advanced.
- FIG. 7 An enlarged longitudinal sectional view of the cleaning liquid tank of FIG. 5 and its mounting portion.
- this electric toothbrush has a motor 3 as a reciprocating motion source, a crankshaft 4 provided on its output shaft, a cleaning liquid tank 5 in which cleaning liquid is stored, and a body 2 in a casing 1.
- a brush guide path 6 extending from one end side of the main body space 2 and having an opening 6a at the tip, and a cleaning liquid passage 7 extending along the brush guide path 6 and opening near the tip portion.
- the provided tube tip member 8 is attached to the casing 1.
- the brush 9 is connected to the arm member 11 attached to the crankshaft 4 via the connecting member 12 with the brush 9 formed by the bristles bundled toward the tip end thereof in the brush guide path 6. . Therefore, when the motor 3 is driven to rotate, the base 10 reciprocates with a predetermined stroke in the direction of the brush guide path 6, and the tip of the brush 9 enters and exits from the opening 6a.
- a flexible diaphragm 13 is attached to the connecting member 12 so as to separate the main body space 2 and the brush guide path 6, and a tongue that opens only inward is provided in the middle of the brush guide path 6.
- An air introduction hole 15 to which a valve 14 is attached is provided.
- the outer periphery of the diaphragm 13 is attached to the attachment wall 16 of the cleaning liquid tank 5 that projects inwardly from the inner wall of the casing 1 and the body space 2.
- a flexible inner bag 17 is housed inside the cleaning liquid tank 5, and the inner bag 17 is filled with the cleaning liquid.
- the mouth of the inner bag 17 is connected to the cleaning liquid passage 7 of the tube tip member 8 through a liquid passage hole 18 provided in the mounting wall 16.
- the mounting wall 16 is provided with a vent hole 19 for venting the diaphragm 13 to the brush guide path 6 side.
- the vent hole 19 communicates with the inside of the cleaning liquid tank 5 outside the inner bag 17.
- the brush guide path 6 of the tube tip member 8 has a bent portion 6b, and a straight portion 6c is provided on the tip end side thereof.
- the length of the straight line portion 6c is almost equal to the stroke of the brush 9.
- the brush 9 in the pipe is Two oval cleaning holes 24 are provided for injecting tap water to be cleaned.
- FIG. 4B shows a modification of the brush guide path 6 of the tube tip member 8.
- the brush guide path 6 of this modification is provided with a reverse warped portion 6d that is bent in the opposite direction to the bent portion 6b on the tip side of the bent portion 6b similar to that of the embodiment.
- the length of the reverse warped portion 6d is also substantially the same as the stroke of the brush 9 and is the length.
- FIG. 5 to FIG. 7 show a second embodiment.
- the basic configuration of this electric toothbrush is the same as that of the first embodiment.
- the casing 1 that forms the main body space 2 is used.
- the wall is provided with an air introduction hole 21 to which a tongue-like opening / closing valve 20 that opens only inwardly is provided.
- the rear end side of the main body space 2 is sealed.
- the cleaning liquid tank 5 is provided with a liquid injection pipe 22 that opens near the liquid bottom and continues to the liquid passage hole 18 of the mounting wall 16, and the inside of the main body is formed by the vent hole 23. It communicates with space 2.
- the other parts are the same as those in the first embodiment.
- the motor output shaft provided with the crankshaft is used as the reciprocating motion source of the brush base.
- the reciprocating motion source is not limited to that of the embodiment. Any drive source that provides reciprocal motion can be employed.
- a force that separates the casing in which the main body space is formed and the tube tip member in which the brush guide path is provided may be integrated with the casing.
- the shapes of the casing and the tube tip are not limited to those of the embodiment.
Landscapes
- 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
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/665,055 US20090056043A1 (en) | 2004-10-14 | 2005-10-13 | Electric toothbrush |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004300236A JP4729284B2 (ja) | 2004-10-14 | 2004-10-14 | 電動歯ブラシ |
JP2004-300236 | 2004-10-14 | ||
JP2004-302875 | 2004-10-18 | ||
JP2004302875A JP2006110231A (ja) | 2004-10-18 | 2004-10-18 | 電動歯ブラシ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006041116A1 true WO2006041116A1 (ja) | 2006-04-20 |
Family
ID=36148403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/018842 WO2006041116A1 (ja) | 2004-10-14 | 2005-10-13 | 電動歯ブラシ |
Country Status (2)
Country | Link |
---|---|
US (1) | US20090056043A1 (ja) |
WO (1) | WO2006041116A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9398940B2 (en) | 2008-06-04 | 2016-07-26 | Colgate-Palmolive Company | Oral care implement with cavitation system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2015230466B9 (en) | 2014-03-12 | 2020-02-27 | Xing Zhou | Interdental brush |
EP3932364B1 (en) * | 2016-06-05 | 2023-09-06 | Xing Zhou | Multifunctional visual oral cavity cleaner |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001276097A (ja) * | 2000-03-31 | 2001-10-09 | Satoshi Inada | 電動歯ブラシ |
JP2002045379A (ja) * | 2000-08-01 | 2002-02-12 | Ichiro Sugimoto | 自動進退歯ブラシ |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3467690D1 (en) * | 1983-04-20 | 1988-01-07 | Sasuke Endo | Toothbrush |
WO1994004093A1 (de) * | 1992-08-12 | 1994-03-03 | Braun Aktiengesellschaft | Reinigungswerkzeug und elektrisch betriebenes zahnreinigungsgerät |
KR100304175B1 (ko) * | 1993-02-15 | 2001-11-22 | 니시오가즈히사 | 치아를닦는기구 |
ATE172092T1 (de) * | 1993-12-23 | 1998-10-15 | Braun Ag | Reinigungswerkzeug für die zähne |
KR0171491B1 (ko) * | 1994-09-20 | 1999-03-30 | 이시다 아키라 | 회전식 기판세정장치 |
US5647385A (en) * | 1995-04-07 | 1997-07-15 | Dynaproducts Inc. | Automated dental cleaner |
US6050818A (en) * | 1995-04-21 | 2000-04-18 | Braun Aktiengesellschaft | Electrically powered dental cleansing apparatus |
JP3345316B2 (ja) * | 1996-09-27 | 2002-11-18 | カルテンバハ アンド フォイト ゲー エム ベー ハー アンド カンパニー | 医薬又は歯科医療のための手器具 |
US6030215A (en) * | 1998-09-04 | 2000-02-29 | Ellion; M. Edmund | Hand-held self-contained oral irrigation device |
US5931170A (en) * | 1998-10-08 | 1999-08-03 | Addway Engineering Limited | Dental flosser |
US6446294B1 (en) * | 1999-12-09 | 2002-09-10 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Electric toothbrush |
US6422867B2 (en) * | 1999-12-21 | 2002-07-23 | Water Pik, Inc. | Interproximal flosser handle |
US6760945B2 (en) * | 2001-01-12 | 2004-07-13 | Homedics, Inc. | Acoustic toothbrush |
US6766549B2 (en) * | 2001-04-20 | 2004-07-27 | Michael F. Klupt | Toothbrush system with a three-dimensional brushing action and fluid irrigation |
US7146674B2 (en) * | 2004-03-16 | 2006-12-12 | United Technologies Corporation | Rotary probe for cleaning an internal cavity |
US8011057B2 (en) * | 2007-07-26 | 2011-09-06 | Richard Nejat | Retractable interproximal brush |
AU2010249272C1 (en) * | 2009-12-18 | 2014-07-17 | Bissell Inc. | Dry vacuum cleaner with spot cleaning |
-
2005
- 2005-10-13 US US11/665,055 patent/US20090056043A1/en not_active Abandoned
- 2005-10-13 WO PCT/JP2005/018842 patent/WO2006041116A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001276097A (ja) * | 2000-03-31 | 2001-10-09 | Satoshi Inada | 電動歯ブラシ |
JP2002045379A (ja) * | 2000-08-01 | 2002-02-12 | Ichiro Sugimoto | 自動進退歯ブラシ |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9398940B2 (en) | 2008-06-04 | 2016-07-26 | Colgate-Palmolive Company | Oral care implement with cavitation system |
Also Published As
Publication number | Publication date |
---|---|
US20090056043A1 (en) | 2009-03-05 |
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