CN1419898A - Electric toothbrush - Google Patents
Electric toothbrush Download PDFInfo
- Publication number
- CN1419898A CN1419898A CN 02152291 CN02152291A CN1419898A CN 1419898 A CN1419898 A CN 1419898A CN 02152291 CN02152291 CN 02152291 CN 02152291 A CN02152291 A CN 02152291A CN 1419898 A CN1419898 A CN 1419898A
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- Prior art keywords
- gear
- bristle
- inboard
- outside
- electric toothbrush
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Abstract
To make a motor-driven toothbrush convenient to use for efficient brushing. The motor-driven toothbrush comprises a body part 1 shaped for easy gripping by one hand while accommodating a motor 3 and a battery driving the motor 3, and a rod-shaped bed 2 removably attachable to an end of the body part 1 and having the bristles of the toothbrush at its end. A circular or ring-shaped inner brush 22 and a ring-shaped outer brush 23 are concentrically arranged on the head 2. The inner brush 22 is rotated by a first gear 21g leading to the rotating shaft 3a of the motor and by a second gear 22g engaging the first gear 21g. The outer brush 23 is rotated by a third gear 23g engaging the first gear 21g at a position different from the engagement position of the first gear for the second gear 22g. Two of the gears are positioned so that the two brushes arranged concentrically on the inside and outside rotate in opposite directions.
Description
Technical field
The invention relates to electric toothbrush.
Background technology
Electric toothbrush is practical gradually so far and popularize from the past.Its structure roughly is divided into: do circle-shaped brushing by motor allows round bristle partial rotation, and make the bristle part do straight line brushing two classes with reciprocating motion with motor or electromagnet.
Electric toothbrush as the former allows bristle partly rotate owing to its simple structure, has and can therefore be practical with the less expensive advantage that goods are provided.Yet, be limited in a direction owing to plant the direction of rotation of the bristle part of hair with ring-type, the flank of tooth for contact bristle front end has the active force towards the tangential direction effect of bristle rotational circle, causes the bristle part to move towards the direction in contrast to the user meaning sometimes.Therefore have no idea to carry out slick and sly correct brushing teeth, cause and use the electric toothbrush more effective percentage of brushing teeth originally, but not have the toothbrushing effect of expecting on the contrary.
Again, for brushing teeth, be considered to as daily institute carry out ground, toothbrush is moved reciprocatingly can relatively have toothbrushing effect.At this, for the electric toothbrush that allows bristle partly rotate, also be made at certain time intervals down, make the direction of rotation counter-rotating, though the effect that it had can be good, but, can cause the goods price to raise up owing to, be used for making the cost of parts of direction of rotation inversion structure to increase for after realizing at certain time intervals.So purpose of the present invention, be for the electric toothbrush under the situation like this, provide that user is a kind of to belong to simply constructed rotating brush wool type, but the bristle part can not move towards the direction in contrast to the user meaning, and can fully obtain toothbrushing effect, and cheap electric toothbrush.
Summary of the invention
For above-mentioned problem, according to the present invention, be, and outside bristle configurations in the form of a ring becomes concentric shape with rounded shape in inboard or cyclic bristle, allow these two groups of bristles mutually rotation in the opposite direction solve.
And, for above-mentioned problem, according to the present invention, it is to have: the battery portion that holds motor and drive said motor to possess, its shape is with the body of easy gripping by one hand, and can be in the loading and unloading of the end of above-mentioned body bar-shaped, possess the head that toothbrush bristle is arranged in front end; At above-mentioned head, with toroidal or cyclic inboard bristle becomes concentric shape with cyclic outside bristle configurations, be connected in the 1st gear of said motor rotating shaft, and the bristle rotation that makes the inboard or the outside with the 2nd gear that is engaged in the 1st gear, be different from above-mentioned the 2nd gear meshing position and make the outside or inboard bristle rotation to be positioned at the 3rd gear of above-mentioned the 1st gears engaged, and the mode that can make two groups of bristles being concentric shape configuration in inboard and the outside rotate in the opposite direction mutually disposes above-mentioned these two gears, can solve thus.
Again, according to the present invention, in the solution of preceding paragraph, the gear group is to use wherein any of bevel type gear, crown gear, rod (pin) gear (pin gear), and can solve.Again, in the solution of preceding paragraph, the bristle of inboard and the bristle in the outside are the bristles that jump or the bristle of inboard and the outside are set with the bristle of different length mutually, be to be provided with different different rotating speeds or the mode that is provided with the both, and can solve.Further, for power supply unit, be using dc sources such as aneroid battery, rechargeable battery, or alternating current power supply such as source power supply, and can solve above-mentioned problem.
Description of drawings
Fig. 1 is among the embodiment of expression electric toothbrush of the present invention, the exploded perspective view of its structure.
Fig. 2 is among the embodiment of electric toothbrush of the present invention, the decomposition profile diagram of major part.
Fig. 3 is among the embodiment of electric toothbrush of the present invention, the compound section figure of major part.
1 body among the figure, 2 head shells, 2a head, 2a1 gear casing, 21 driving shafts, 21g the 1st gear, 22 inboard bristles, 23 outside bristles, 23g the 2nd or the 3rd gear, 24 inboard bristle drive member, 24g the 3rd or the 2nd gear, 25 gear shafts, 26 cappings, 3 motors, 4 rubber gaskets.
The specific embodiment
Electric toothbrush of the present invention is being configured to concentric two groups of bristles, making it rotate the mode of brushing teeth mutually in the opposite direction.Therefore inboard bristle is discoideus or ring-type, and the bristle in the outside in the form of a ring.
In electric toothbrush of the present invention, be configured to concentric two groups of bristles, be to drive with a motor.As the mechanism that drives, be on motor drive shaft, to become the gear of drive source side as the 1st gear so that bevel type gear (helical gear), rod (pin) gear (pin gear) or crown gear to be installed, will with 2 axles of the orthogonal thereto configuration of this gear shaft with coaxial formation, on this diaxon, be separately installed with the 2nd and the 3rd gear of corresponding said gear kind, on the 1st gear that drives source, mesh to separate 180 degree positions respectively.By so, can make the 2nd gear and the 3rd gear be mutual rightabout rotation, at the axle front end that is driven by the 2nd gear and the 3rd gear, two groups of bristles are installed with concentric shape, make two groups of bristles rotate and can realize addressing the above problem towards mutual rightabout.And inboard bristle and outside bristle can be provided with the stage level with the bristle of different length, also can make inner side brush hair and outside bristle be provided with different different rotating speeds.Perhaps the both is provided with and also can.Further, as the driving power of motor, can use dc sources such as aneroid battery or rechargeable battery, or also can use home-use interchange source power supply.
Embodiment
Fig. 1 is the exploded perspective view of the embodiment structure of explanation electric toothbrush of the present invention.Among the figure, label 1 is to have shape dominated by hand easily, the body of size as toothbrush, with the resin formation tubular, accommodates motor 3 and battery (diagram is omitted) in inside.The upper end of body 1 is formed with thin slightly external diameter, and front end is taper, and makes front opening, and in this part head described later is installed.Be formed with partition wall 1a in the inside of its boundary vicinity, make the axle 3a of motor 3 outstanding from this partition wall 1a, axle 3a front end is equipped with and is used for and the bonded member 3j of driving shaft described later.On partition wall 1a, embedded rubber gasket 4 in order to allow a 3a connect the gap waterproof of part.
Label 2 is aforesaid heads.Can load and unload at body 1 front end.Head 2 is appreciated that it is the crustose inside of will make up mutually as the head shell 2a of head 2 housings and 2b and form as the exploded view from Fig. 1, accommodates following each element.Its content is: driving shaft 21, inboard bristle 22, outside bristle 23, inboard bristle drive member 24, gear shaft 25 and capping 26.
The details of above-mentioned each element side sectional drawing with Fig. 2 is illustrated.
Driving shaft 21 is formed by metal in the part of axle 21a at least, in the square end portion of axle 21a, the coupling compoonent 21j that is connected with the member 3j of the axle 3a front end of said motor 3 is installed.On the end of the other end of axle 21a, be fixed with bevel type gear 21g as the 1st gear.
Inboard bristle 22 roughly in the form of a ring, possessing in the ring-type front has mao 22b that plants that becomes bristle.Outer radius portion is 2 sections, and the front is to form big outer diameter part 22c, and the back is to form little outer diameter part 22d.And inside diameter also is divided into 2 sections, and the front is to form the little interior past 22e of portion, and the back is to form the 22f of large diameter portion.The section of little inside diameter 22e is to be hexagon or polygon, can be by the pawl axle of inboard bristle drive member described later, with the mode of restriction rotation chimeric.
Outside bristle 23 also roughly in the form of a ring, possessing in the ring-type front has mao 23b that plants that becomes bristle.The back of outer diameter part is the inclined-plane, at this, be the bevel type gear 21g on the corresponding above-mentioned axle 21a end, and the gear 23g that forms as the 2nd gear forms.And ring-type inside diameter 23d is can be entrenched in the little outer diameter part 22d of above-mentioned inboard bristle 22 rotatably.
Inboard bristle drive member 24 is gears of discoideus front being made the tool inclined-plane, and with the bevel type gear 21g corresponding to above-mentioned axle 21a end, and formation is as the gear 24g of the 3rd gear.Therefore, with the gear 23g of above-mentioned outside bristle 23, be to be in to mesh from the driving force of gear 21g from being subjected in 180 degree mutually mutually.And, being provided with a 24f in the extension of the front portion of inboard bristle drive member 24, this 24f is the central 22f of large diameter portion of internal diameter that can be entrenched in inboard bristle 22 rotatably.Forwards extended to form pawl axle 24e again from axle 24f.The section of pawl axle 24e is polygons such as hexagon, is embedded in the central little inside diameter 22e of internal diameter of above-mentioned inboard bristle 22, and is together rotation.Pawl axle 24e front end is divided into two, and each front end possesses respectively pawl 24h is arranged.At inboard bristle drive member 24 back sides, form axis hole 24k to have certain degree of depth again.
Gear shaft 25 is from the shape of discoideus flange 25m with outstanding axle 25k, is embedded in the back side axis hole 24k of inboard bristle drive member 24 at axle 25k, and can rotates.
Capping 26 is cappings that the gear shaft 25 that is used for being inserted in head shell 2a is pressed into, and forms discoideusly, and possesses a pair of outstanding pawl 26n is arranged.
The upper section of head shell 2a in order to accommodate above-mentioned each element, and forms big drum shape as shown in Figure 1, is used as gear casing 2a
1Gear casing 2a
1The place ahead be big opening, have the structure that the bristle of allowing partly exposes.Rear locking, but overleaf is formed with and allows the axle 25k of gear shaft 25 be inserted the hole 2a that leads to
k, and allow a pair of pawl 26n of capping 26 can block the stop hole 2a that ends.And the elongate portion below head shell 2a is formed with bearing 2a respectively in each place up and down that holds driving shaft 21 parts
2, this bearing 2a
2, also form (diagram is omitted) in symmetry ground at the opposite position of head shell 2b, form bearing by both merging.Moreover, in the lower end of head shell 2a, 2b, be formed with pawl 2a respectively
3, 2b
3, the connecting hole that is limited to body 1 top that does not illustrate is fixed head shell 2.
And, be formed with the card seam 2a of portion in the middle edge inboard of head shell 2a
4, the middle edge of head shell 2b has extended to form a plurality of pawl 2b
4, only can block the card seam 2a of portion respectively in the middle edge inboard of the head shell 2a that does not illustrate
4, utilize these cards to end in conjunction with constituting head shell 2.
Head 2 by each element like this is constituted is made up by following mode.Below also do explanation with reference to the part compound section figure of Fig. 3.
With slotting the leading to of axle 25k of gear shaft 25 in gear casing 2a
1Hole 2a
k, by a pair of pawl 26n that capping 26 is fixing, fix axle 25.Allow the axis hole 24k of inboard bristle drive member 24 be entrenched on the 25k.Under this state, driving shaft 21 is embedded in the bearing 2a of head shell 2a
2, make the gear 21g of front end, be engaged to the gear 24g of inboard bristle drive member 24.Again head shell 2b cover cap in head shell 2a.And make the pawl 2b of head shell 2b.The card that inserts the middle edge inboard of head shell 2a ends recess 2a
4And the mode that card ends, assembling head shell 2a.Driving shaft 21 moves the axial thrust direction, is subjected to the bearing restriction in the head shell.
From gear casing 2a
1The part of exposing is to have only inboard bristle drive member 24.On the little outer diameter part 22d of inboard bristle 22 external diameters, embed the inside diameter 23d of outside bristle 23, make inboard bristle 22 and outside bristle 23 be concentric shape and make up.And with its be embedded in inboard bristle drive member 24 the axle 24f.Make the chimeric axle 24f that inboard bristle drive member 24 is arranged of the central 22f of large diameter portion of inboard bristle 22 internal diameters.The gear 23g of bristle 23 is engaged in the gear 21g of driving shaft 21 front ends outside making.And the axle 24f pawl 24h in the place ahead more that makes in inboard bristle drive member 24, be fastened on the front of inboard bristle 22 and fix.Again, as described above, the pawl axle 24e of axle 24f till the pawl 24h from inboard bristle drive member 24, its periphery is to make the section of polygons such as hexagon, and because the section of the little inside diameter 22e in the middle of inboard bristle 22 internal diameters is also made identical shape, so chimeric and can rotate together by both, therefore be subjected to inboard bristle drive member 24 inboard bristle 22 is driven in rotation.
Assemble electric gear of the present invention in such a manner, when opening the on and off switch do not illustrate and started, make motor 3 drive rotation, make gear 21g rotation via coupling compoonent 3j and same coupling compoonent 21j by power supplys such as diagram elliptical aneroid battery.The rotation of gear 21g is communicated to the outside gear 23g of bristle 23 and the gear 24g of inboard bristle drive member 24, and outside bristle 23 is to serve as that axle is done rotation with the little outer diameter part 22d in the middle of inboard bristle 22 external diameters, makes mao 23b rotation of planting of this bristle.
And, be communicated to the rotation of the gear 24g of inboard bristle drive member 24, be to make inboard bristle drive member 24, axle 25k with gear shaft 25 serves as that axle is done rotation, as described above from the part of axle 24f till the pawl 24h of inboard bristle drive member 24, its periphery is made as polygon sections such as hexagon, the section of minor diameter part 22e in the middle of inboard bristle 22 internal diameters is identical shaped owing to also being made as, utilize both chimeric and together the rotation, so can inboard bristle 22 is driven and rotate by inboard bristle drive member 24 so that this bristle plant a mao 23b rotation.
By so constituting, inboard bristle 22 rotates and brushes teeth to be rightabout mutually with outside bristle 23.
Because of the required replacing of bristle attrition, be the pawl 24h that presses by inboard bristle drive member 24 its 24f the place aheads, removed with engaging of inboard bristle 22 fronts by handle, just can take off two groups of bristles simply.
The gear casing 2a of head 2
1The front is because opening-like, and water can immerse when brushing teeth use, and therefore the rubber gasket 4 by body 1 stops intrusion, and can not damage inner electric parts.
Head 2 is with respect to body 1, owing to can load and unload freely, cleaning or replacing are all easy.
Again, in the above-described embodiment, comprise the 1st gear, each gear is to use bevel type gear, but with known rod (pin) gear (pin gear), crown gear also can.Again, inboard bristle 22 and outside bristle 23 can be provided with jump mutually for the length of bristle, or inboard bristle 22 and outside bristle 23 are to be provided with different different rotating speeds, and perhaps the mode that is provided with the both also can.Further, in the above-described embodiments,, be only to put down in writing with battery as the driving power of motor, it can be used in dc sources such as battery or rechargeable battery, or also can use home-use interchange source power supply.
The invention effect
According to above the present invention, owing to adopt and dispose two groups of bristles with concentric shape, and make it rotate the mode of brushing teeth mutually in the opposite direction, so can be as electric toothbrush in the past, only rotate on single direction, cause bristle to violate the user meaning and towards unsatisfactory situations such as the tangential direction of rotational circle move, thereby the very big effect that can obtain easy use, brush teeth efficiently.
Be configured to concentric two groups of bristles, be to drive with a motor, as the mechanism that drives, it is the bevel type gear that on motor drive shaft, is equipped with as the 1st gear, rod (pin) gear (pin gear), or crown gear and become the gear of drive source side, and will with 2 axles of the orthogonal thereto configuration of this gear shaft with coaxial formation, on this diaxon, be separately installed with the 2nd and the 3rd gear of corresponding said gear kind, on the 1st gear that drives source, mesh to be separated by 180 degree positions respectively, so can obtain under simple structure, to make the mutual mechanism of rotation in the opposite direction of two groups of bristles, and the bristle part can simply be loaded and unloaded.
Claims (6)
1. electric toothbrush is characterized in that:
Described toothbrush is rounded shape in inboard or cyclic bristle, and outside bristle configurations in the form of a ring becomes concentric shape, makes the rotation in the opposite direction mutually of these two groups of bristles.
2. electric toothbrush is characterized in that:
Described toothbrush has: hold motor and drive said motor battery portion, it is shaped as the body of the shape that grips easily with one hand, and
That can load and unload in the end of above-mentioned body is bar-shaped, has the head of toothbrush bristle in front end;
At above-mentioned head, with toroidal or cyclic inboard bristle becomes concentric shape with cyclic outside bristle configurations,
Be connected in the 1st gear of said motor rotating shaft, and
With the 2nd gear that is engaged in the 1st gear the bristle in the inboard or the outside is rotated, is different from the bristle rotation that the 3rd gear that meshes above-mentioned the 2nd gear meshing position makes the outside or inboard to be located at above-mentioned the 1st gear,
Disposing above-mentioned these two gears can make two groups of bristles that are concentric shape configuration in inboard and the outside rotate in the opposite direction mutually.
3. electric toothbrush according to claim 2 is characterized in that the gear group is to use any in bevel type gear, crown gear, the pin gear.
4. according to each described electric toothbrush in the claim 1,2 or 3, it is characterized in that the acute hair of inboard and the bristle in the outside are that mutual bristle with different length is provided with jump.
5. according to each described electric toothbrush in the claim 1,2 or 3, it is characterized in that the bristle of inboard and the bristle in the outside are to be provided with different different rotating speeds.
6. according to each described electric toothbrush in the claim 1,2 or 3, it is characterized in that power supply unit can be used in dc sources such as battery, rechargeable battery, or alternating current power supply such as source power supply.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001392823A JP2003153923A (en) | 2001-11-20 | 2001-11-20 | Motor-driven toothbrush |
| JP2001392823 | 2001-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1419898A true CN1419898A (en) | 2003-05-28 |
Family
ID=19188702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02152291 Pending CN1419898A (en) | 2001-11-20 | 2002-11-20 | Electric toothbrush |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2003153923A (en) |
| CN (1) | CN1419898A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103070735A (en) * | 2013-02-22 | 2013-05-01 | 王俊寿 | Bristle concentric synchronous interval reverse swinging type electric toothbrush |
| CN107212943A (en) * | 2016-03-22 | 2017-09-29 | 赫比（厦门）精密塑胶制品有限公司 | Vibrate Jing Yin toothbrush |
| CN107212942A (en) * | 2016-03-22 | 2017-09-29 | 赫比（厦门）精密塑胶制品有限公司 | Double-face rotating brush-finish toothbrush |
| CN107212941A (en) * | 2016-03-22 | 2017-09-29 | 赫比（厦门）精密塑胶制品有限公司 | Jing Yin toothbrush |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2550936B1 (en) * | 2011-07-25 | 2014-12-17 | Braun GmbH | Oral hygiene implement and oral hygiene device |
| ES2451021T3 (en) * | 2011-07-25 | 2014-03-26 | Braun Gmbh | Magnetic connection between a toothbrush handle and a brush head |
-
2001
- 2001-11-20 JP JP2001392823A patent/JP2003153923A/en active Pending
-
2002
- 2002-11-20 CN CN 02152291 patent/CN1419898A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103070735A (en) * | 2013-02-22 | 2013-05-01 | 王俊寿 | Bristle concentric synchronous interval reverse swinging type electric toothbrush |
| CN103070735B (en) * | 2013-02-22 | 2015-05-20 | 王俊寿 | Bristle concentric synchronous interval reverse swinging type electric toothbrush |
| CN107212943A (en) * | 2016-03-22 | 2017-09-29 | 赫比（厦门）精密塑胶制品有限公司 | Vibrate Jing Yin toothbrush |
| CN107212942A (en) * | 2016-03-22 | 2017-09-29 | 赫比（厦门）精密塑胶制品有限公司 | Double-face rotating brush-finish toothbrush |
| CN107212941A (en) * | 2016-03-22 | 2017-09-29 | 赫比（厦门）精密塑胶制品有限公司 | Jing Yin toothbrush |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003153923A (en) | 2003-05-27 |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |