CN202875521U - Electric toothbrush head and electric toothbrush - Google Patents
Electric toothbrush head and electric toothbrush Download PDFInfo
- Publication number
- CN202875521U CN202875521U CN 201220495509 CN201220495509U CN202875521U CN 202875521 U CN202875521 U CN 202875521U CN 201220495509 CN201220495509 CN 201220495509 CN 201220495509 U CN201220495509 U CN 201220495509U CN 202875521 U CN202875521 U CN 202875521U
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- brush
- electric toothbrush
- toothbrush head
- holder support
- shaft
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Abstract
The utility model provides an electric toothbrush head. The electric toothbrush head comprises a brush pole (1) and a brush disc (5), wherein a transmission shaft (9) is arranged in the brush pole; an eccentric wheel (3) is arranged at the front end of the transmission shaft; the brush disc is installed at the front end of the brush pole by an axial hole connecting device; a movement transfer device is arranged between the brush disc and the eccentric wheel and is used for transferring a linear movement of the eccentric wheel into a reciprocating swinging movement of the brush disc about a rotating shaft (7); the movement transfer device comprises an L-shaped slide sleeve (8), a protruded shaft (5b) at the back part of the brush disc, and a smooth eccentric shaft (3a) at the front end of the eccentric wheel; a first movement hole (8a) and a second movement hole (8b) which are vertical to each other are formed in the L-shaped slide sleeve; the first movement hole is in dynamic match with the protruded shaft; and the second movement hole is in dynamic match with the smooth eccentric shaft. The utility model also provides an electric toothbrush adopting the electric toothbrush head. The electric toothbrush head has the characteristics of being long in service life, excellent in safety, smooth in operating, low in noise and the like.
Description
Technical field
This utility model relates to electric toothbrush, more particularly, relates to electric toothbrush head, and the electric toothbrush of adopting this electric toothbrush head.
Background technology
In the electric toothbrush technology field, there is the multiple technologies scheme to realize electric cleaning, each technical scheme all has different performances in indexs such as cleaning efficiency, cost, reliability, safeties.Electric toothbrush needs toothpaste to cooperate in cleaning course and finishes cleaning course, toothpaste is made of abrasive material mixing multiple compounds and organic solvent, wearing and tearing and the chemical corrosion and damage of electric toothbrush metal, plastics moving link have been accelerated, slightly can shorten the life-span of toothbrush, seriously can causing comes off after the tiny parts damages causes safety problem in the oral cavity.Therefore the success or not of a electric toothbrush head structural design must be obtained balance in safety, cleaning efficiency, life-span, economic index.
Electric toothbrush can be divided into two classes by final Clean-power:
The first kind is the oscillating mode toothbrush, its power source is for ultrasonic oscillator or drive the eccentric continuous operation and produce the motor that centrifugal force vibrates or produce vibration by the electromagnetic actuation process power source is provided, such toothbrush general cost is higher, the abrasive efficiency is difficult for guaranteeing, but the movement parts in the oral cavity is few, and life-span and reliability have superiority.
Equations of The Second Kind is the toothbrush that motor power directly drags brush, such design directly realizes rotation or straight reciprocating motion by motor-driven, power acts directly in the oral cavity, the cleaning efficiency is generally all higher, and economy also has superiority than the first kind, but the member that moves in the oral cavity is more, under the effect of the abrasive materials such as toothpaste, collutory and cleaning agent, the movement parts excessive wear occurs easily, cause the life-span short, or the chemistry be full of cracks causes that finding comes off and causes safety problem in the oral cavity.This type of toothbrush is had relatively high expectations to reasonable structure.
The utility model content
This utility model provides the electric toothbrush head that a kind of life-span is long, safety is good for the life-span weak point of above-mentioned Equations of The Second Kind electric toothbrush existence and the technological deficiency of poor stability.
The electric toothbrush head that this utility model provides, comprise brush holder support and brush, power transmission shaft is installed in the brush holder support, the front end setting-up eccentricity wheel of power transmission shaft, brush is installed on the front end of brush holder support by the axis hole connecting device, between brush and the described eccentric movement transforming device is set, be used for eccentric linear movement is converted to brush around the round amplitude of oscillation motion of self rotating shaft, described movement transforming device comprises L shaped slip cap, be arranged on the prominent axle and the smooth eccentric shaft that is arranged on the eccentric front end at brush back, establish the first and second two orthogonal movable spans in the L shaped slip cap, the first movable span and described prominent axle movingly, the second movable span and described smooth eccentric shaft are movingly.
Preferably, between described L shaped slip cap and the described eccentric clearance compensating spring is set.
Preferably, described axis hole connecting device comprises the cylindrical installing hole that is arranged on center, brush back, the axis hole that is arranged on this installing hole bottom centre position, the brush rotating shaft that is arranged on the cylindrical convex of brush holder support front end and is installed in the end face center of this convex, described convex inserts in the described installing hole, the two movingly, described brush rotating shaft and described axis hole are movingly.
Preferably, between described brush rotating shaft and the described axis hole elastic shaft sleeve is set.
Preferably, location and motion control device are set between described brush and the brush holder support, described location and motion control device comprise, the mating groove that is disposed radially in a side of brush, and be installed in the pin corresponding with this mating groove on the brush holder support, described pin and described mating groove when its rotating shaft comes and goes amplitude of oscillation motion, guide this brush to do axial back and forth movement along this rotating shaft simultaneously in brush movingly.
Preferably, described mating groove is in the shape of the letter V.
Preferably, described mating groove assumes diamond in shape.
Preferably, a side of described brush is disposed radially the rectangle mating groove, at brush holder support pin is set accordingly, and described pin and described rectangle mating groove are movingly.
Preferably, the support of plug-in mounting power transmission shaft in the described brush holder support, support afterbody arrange buckle and brush holder support interlocking, and the support afterbody also is arranged with salient point, locate when docking with toothbrush handle.
This utility model also provides a kind of electric toothbrush, comprises handle, is installed in motor and battery in the handle, and the head toothbrushes that is removably mounted on the handle front end, and wherein, described head toothbrushes adopts the described electric toothbrush head of above-mentioned any one.
The beneficial effects of the utility model are; because all movement parts all adopt the hole axle to cooperate, the auxiliary section is the face contact, cooperates area large; have stronger resistance to wear, anti-stall, anti-improper mechanical damage ability, thereby can guarantee service life and the preferably safety grown.
In the power conversion process that swings from the motor power to the brush, all movement parts are continuous bonding motion,--disengaging--more bonding moving situation occurs cooperating, therefore impact because of bonding separation generation can not appear, have smooth running, noise is low, and the characteristics such as high conformity.
Description of drawings
Fig. 1 is the structural representation of this utility model the first embodiment electric toothbrush head;
Fig. 2 is the structural representation of its brush;
Fig. 3 is the structural representation of its L shaped slip cap;
Fig. 4 is its internal structure sketch map;
Fig. 5 is its motor process sketch map;
Fig. 6 is the structural representation of the brush of this utility model the second embodiment electric toothbrush head;
Fig. 7 is the structural representation of the brush of this utility model the 3rd embodiment electric toothbrush head.
The specific embodiment
Below in conjunction with drawings and Examples this utility model is described further.
Fig. 1-4 shows the electric toothbrush head of the first embodiment.Shown in Fig. 1-4, the first embodiment electric toothbrush head comprises brush holder support 1, support 2, eccentric 3 and power transmission shaft 9, it is interior free to rotate that power transmission shaft 9 is installed in brush holder support 1 by support 2, the front end setting-up eccentricity wheel 3 of power transmission shaft 9, driven by motor power transmission shaft 9 rotates, and then driving eccentric 3 linear movements, brush 5 is installed on the front end of brush holder support 1 by the axis hole connecting device, between brush 5 and the eccentric 3 movement transforming device is set, is used for linear movement with eccentric 3 and is converted to brush 5 around the round amplitude of oscillation motion of self rotating shaft (brush rotating shaft) 7.
Above-mentioned movement transforming device comprises L shaped slip cap 8, be arranged on the prominent axle 5b at brush 5 backs and be arranged on the smooth eccentric shaft 3a of eccentric 3 front ends, establish orthogonal the first movable span 8a and the second movable span 8b in the L shaped slip cap 8, the first movable span 8a and prominent axle 5b are movingly, the second movable span 8b and smooth eccentric shaft 3a are movingly, the first movable span 8a is through hole, and the second movable span 8b is blind hole.
Between L shaped slip cap 8 and the eccentric 3 clearance compensating spring 4 is housed also, can automatically adjusts the fit clearance between the part, improve transmission efficiency, reduce noise, further prolong the service life of head toothbrushes.
Above-mentioned axis hole connecting device comprises the cylindrical installing hole 5c, the axis hole 5d that is arranged on this installing hole 5c bottom centre position that are arranged on center, brush 5 back, is arranged on the cylindrical convex 1a of brush holder support 1 front end and the brush rotating shaft 7 that is installed in the end face center of this convex 1a, convex 1a inserts in the installing hole 5c, the two movingly, brush rotating shaft 7 and axis hole 5d are movingly.
Further between brush rotating shaft 7 and axis hole 5d, also be provided with elastic shaft sleeve, with the fit clearance between the automatic adjustment part.
Location and motion control device also are set between brush 5 and the brush holder support 1, this location and motion control device comprise, the mating groove 5e that is disposed radially in a side of brush 5, and be installed in the pin 6 corresponding with this mating groove 5e on the brush holder support 1, pin 6 and mating groove 5e are movingly, when brush rotating shaft 7 came and went amplitude of oscillation motion, guiding brush 5 was done axial back and forth movement along brush rotating shaft 7 simultaneously in brush 5.Wherein, mating groove 5e is in the shape of the letter V.
Motor drives eccentric 3 by power transmission shaft 9 and rotates continuously (linear movement), and then make brush 5 come and go amplitudes of oscillation motion around brush rotating shaft 7 by the prominent axle 5b on smooth eccentric shaft 3a, L shaped sliding sleeve 8 and the brush 5 on the eccentric 3, in the process of this round amplitude of oscillation motion, pin 6 and V font mating groove 5e relative motion, guiding brush 5 is done axial back and forth movement along brush rotating shaft 7 simultaneously, thereby has realized the three-dimensional motion of brush 5.Fig. 5 shows the motor process of the first embodiment electric toothbrush head, comprise A, B, four kinds of states of C, D: state A is the state of smooth eccentric shaft 3a when the limit superior position, and at this moment, it is terminal that L shaped sliding sleeve 8 is in prominent axle 5b, brush 5 is in the middle position, and pin 6 is at the middle part of V font mating groove 5e; Power transmission shaft 9 clockwise rotates the B that gets the hang of behind 90 degree, this moment, smooth eccentric shaft 3a moved to the limit on the right-right-hand limit position, and L shaped sliding sleeve 8 is in the middle of the prominent axle 5b, the left part of pin 6 in V font mating groove 5e, brush 5 is dragged to turn right to the limit on the right-right-hand limit position, moves downward simultaneously the limit inferior position; Power transmission shaft 9 clockwise rotates the C that gets the hang of behind 90 degree again, this moment, smooth eccentric shaft 3a moved to the limit inferior position, and L shaped sliding sleeve 8 is in prominent axle 5b head end, and pin 6 is back to V font mating groove 5e middle part, brush 5 is dragged to turn left to the middle position, moves up to simultaneously the limit superior position; Power transmission shaft 9 clockwise rotates the D that gets the hang of behind 90 degree again, this moment, smooth eccentric shaft 3a moved to the limit on the left position, L shaped sliding sleeve 8 returns in the middle of the prominent axle 5b, the right part of pin 6 in V font mating groove 5e, brush 5 is dragged to be continued to turn left to the limit on the left position, moves downward simultaneously to the limit inferior position; Power transmission shaft 9 has just been got back to state A after again clockwise rotating 90 degree, circulates with this, has realized that brush 57 does radially reciprocating swing and do axial back and forth movement along rotating shaft 7 around the shaft simultaneously.
Fig. 6 shows the structure of the second brush 11, has also drawn pin 6 and the brush rotating shaft 7 on the brush holder support among the figure.As shown in Figure 6, the difference of the brush 5 among brush 11 and the first embodiment only is: the shape of the mating groove of brush side is different, and the mating groove 5e of brush 5 sides is the V font among the first embodiment 1, and the mating groove 11e of brush 11 sides among Fig. 6 is rhombus.The brush 5 that adopts brush 11 to substitute among the first embodiment, can consist of the second embodiment electric toothbrush head, pin 6 on rhombus mating groove 11e and the brush holder support 1 cooperates, and can realize that also brush 11 around the shaft 7 radially during back and forth movement, does axial back and forth movement along rotating shaft 7 simultaneously.
Above-mentioned two kinds of embodiment all can realize the three-dimensional motion of brush, and this three-dimensional motion has obvious lifting to the cleaning capacity of the dental plaque on the gingiva, food residues thing, and it is more obvious that the dirt in the teeth space is rejected effect, and its effect is equivalent to traditional toothpick.Implement checking through reality and show that brush is controlled at 0.3 ~ 0.5 millimeter along the movement travel of its rotor shaft direction and is advisable, cross conference and cause that easily gingiva is subject to overstimulation, too smallly promote not obvious to the cleaning efficiency.
Fig. 7 shows the structure of the third brush 10, the difference of the brush 5 among this brush 10 and the first embodiment also only is: the shape of the mating groove of brush side is different, the mating groove 5e of brush 5 sides is the V font among the first embodiment 1, and the mating groove 10e of brush 10 sides among Fig. 7 is rectangle.The brush 5 that adopts brush 10 to substitute among the first embodiment can consist of the 3rd embodiment electric toothbrush head, the 3rd embodiment electric toothbrush head, brush 10 can only be done two dimensional motion, namely can only be around the shaft 7 back and forth movements radially.
Above-mentioned electric toothbrush head is connected to the front end of power toothbrush handle, can consists of electric toothbrush.Power toothbrush handle can adopt existing power toothbrush handle, as long as energy and above-mentioned electric toothbrush head are structurally realized clamping, and provide rotatory force to get final product can for power transmission shaft 9, usually comprises at least motor and battery in the handle.
Some embodiment electric toothbrush heads of this utility model have the following advantages at least:
1. the cleaning efficiency is high, and power conversion efficient is high, and load capacity has a clear superiority at like product, and the power of motor is required to be lower than like product;
2. cooperate because movement parts all adopts the hole axle, movement parts cooperates area large, resistance to wears, anti-stall, anti-improper mechanical damage ability be strong, has a clear superiority in than service life and the security performance of like product; Medical science under 4 minutes every days service conditions, required three months will change a brush in principle, and the life-span of above-described embodiment brush will be far above this index;
3. in the power conversion process that swings from the motor power to the brush, all movement parts are continuous bonding motion, without separating again adhesion process, finally show smooth running, and noise is low, and high conformity;
4. be designed with rocker compensating gear, after wearing and tearing occurring, still can keep lower running noise index;
5. according to needing to realize three-dimensional motion, compare with conventional brush head, brush is many axial back and forth movement has obvious lifting to cleaning capacity under the power permanence condition;
6. without the metal machine-tooled component of complex precise, simple in structure, assembly structure is reasonable, easily realizes the unmanned full-automatic assembling of intervening, and has a clear superiority in economy;
7. structural design is rationally distributed, and intensity is high, finally show as less than like product design volume, energy conversion efficiency is high, not only is fit to adult's application, and is exquisite because of volume, also be suitable for the child and use, so the market fit wide ranges.
Claims (10)
1. electric toothbrush head, comprise brush holder support (1) and brush (5) (10) (11), power transmission shaft (9) is installed in the brush holder support, the front end setting-up eccentricity wheel (3) of power transmission shaft, brush is installed on the front end of brush holder support by the axis hole connecting device, between brush and the described eccentric movement transforming device is set, be used for eccentric linear movement is converted to brush around the round amplitude of oscillation motion of self rotating shaft (7), it is characterized in that: described movement transforming device comprises L shaped slip cap (8), be arranged on the prominent axle (5b) at brush back and be arranged on the smooth eccentric shaft (3a) of eccentric front end, establish the first and second two orthogonal movable span (8a in the L shaped slip cap, 8b), the first movable span and described prominent axle movingly, the second movable span and described smooth eccentric shaft are movingly.
2. electric toothbrush head according to claim 1 is characterized in that: between described L shaped slip cap (8) and the described eccentric (3) clearance compensating spring (4) is set.
3. electric toothbrush head according to claim 1, it is characterized in that: the brush rotating shaft (7) of the end face center that described axis hole connecting device comprises the cylindrical installing hole (5c) that is arranged on center, brush back, the axis hole (5d) that is arranged on this installing hole bottom centre position, the cylindrical convex (1a) that is arranged on the brush holder support front end and is installed in this convex, described convex (1a) inserts in the described installing hole (5c), the two movingly, described brush rotating shaft (7) and described axis hole (5d) are movingly.
4. electric toothbrush head according to claim 3 is characterized in that: between described brush rotating shaft (7) and the described axis hole (5d) elastic shaft sleeve is set.
5. electric toothbrush head according to claim 1, it is characterized in that: location and motion control device are set between described brush and the brush holder support, described location and motion control device comprise, the mating groove (5e) that is disposed radially in a side of brush (11e), and be installed in the pin corresponding with this mating groove (6) on the brush holder support, described pin (6) and described mating groove (5e) are (11e) movingly, when its rotating shaft (7) comes and goes amplitude of oscillation motion, guide this brush to do axial back and forth movement along this rotating shaft (7) simultaneously in brush.
6. electric toothbrush head according to claim 5, it is characterized in that: described mating groove (5e) is in the shape of the letter V.
7. electric toothbrush head according to claim 5, it is characterized in that: described mating groove (11e) assumes diamond in shape.
8. electric toothbrush head according to claim 1, it is characterized in that: a side of described brush is disposed radially rectangle mating groove (10e), at brush holder support (1) pin (6) is set accordingly, described pin (6) and described rectangle mating groove (10e) are movingly.
9. electric toothbrush head according to claim 1, it is characterized in that: the support (2) of plug-in mounting power transmission shaft (9) in the described brush holder support, the support afterbody arranges the interlocking of buckle (2a) and brush holder support, and the support afterbody also is arranged with salient point, locates when dock with toothbrush handle.
10. an electric toothbrush comprises handle, is installed in motor and battery in the handle, and the head toothbrushes that is removably mounted on the handle front end, it is characterized in that: described head toothbrushes adopts the described electric toothbrush head of claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495509 CN202875521U (en) | 2012-09-26 | 2012-09-26 | Electric toothbrush head and electric toothbrush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220495509 CN202875521U (en) | 2012-09-26 | 2012-09-26 | Electric toothbrush head and electric toothbrush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202875521U true CN202875521U (en) | 2013-04-17 |
Family
ID=48066994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220495509 Expired - Lifetime CN202875521U (en) | 2012-09-26 | 2012-09-26 | Electric toothbrush head and electric toothbrush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202875521U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654987A (en) * | 2012-09-26 | 2014-03-26 | 沃辉有限公司 | Electric toothbrush head and electric toothbrush |
| CN104825243A (en) * | 2015-05-20 | 2015-08-12 | 上海携福电器有限公司 | Brush head capable of reciprocating rotation |
| WO2016183815A1 (en) * | 2015-05-20 | 2016-11-24 | 上海携福电器有限公司 | Brush head capable of performing reciprocating rotation |
| WO2023201776A1 (en) * | 2022-04-19 | 2023-10-26 | 广州嘻嘻三斤设计有限公司 | Electric toothbrush head |
| US12036079B2 (en) | 2022-01-31 | 2024-07-16 | Braun Gmbh | Attachment for an oral care device handle |
-
2012
- 2012-09-26 CN CN 201220495509 patent/CN202875521U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103654987A (en) * | 2012-09-26 | 2014-03-26 | 沃辉有限公司 | Electric toothbrush head and electric toothbrush |
| CN103654987B (en) * | 2012-09-26 | 2016-08-03 | 沃辉有限公司 | Electric toothbrush head and electric toothbrush |
| CN104825243A (en) * | 2015-05-20 | 2015-08-12 | 上海携福电器有限公司 | Brush head capable of reciprocating rotation |
| CN104825243B (en) * | 2015-05-20 | 2016-05-18 | 上海携福电器有限公司 | The brush of reciprocating rotation |
| WO2016183815A1 (en) * | 2015-05-20 | 2016-11-24 | 上海携福电器有限公司 | Brush head capable of performing reciprocating rotation |
| US10179037B2 (en) | 2015-05-20 | 2019-01-15 | Shanghai Shift Electrics Co., Ltd. | Reciprocally rotatable brush head |
| US12036079B2 (en) | 2022-01-31 | 2024-07-16 | Braun Gmbh | Attachment for an oral care device handle |
| WO2023201776A1 (en) * | 2022-04-19 | 2023-10-26 | 广州嘻嘻三斤设计有限公司 | Electric toothbrush head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
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| CX01 | Expiry of patent term |