CN2684786Y - Electric toothbrush (CN) - Google Patents
Electric toothbrush (CN) Download PDFInfo
- Publication number
- CN2684786Y CN2684786Y CN 200420020457 CN200420020457U CN2684786Y CN 2684786 Y CN2684786 Y CN 2684786Y CN 200420020457 CN200420020457 CN 200420020457 CN 200420020457 U CN200420020457 U CN 200420020457U CN 2684786 Y CN2684786 Y CN 2684786Y
- Authority
- CN
- China
- Prior art keywords
- brush wheel
- electric toothbrush
- passive
- brush
- brush head
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an electric toothbrush (CN), comprising a motor in the inner cavity of the handle body, a switch, a battery and a position base. A drive shaft is arranged in the inner cavity of the toothbrush body; a brush head is arranged on the front end of the toothbrush body; the output end of the drive shaft is connected with the brush head and engaged with another brush head. The poke rod of the poke assembly of the drive shaft is inserted in the installing groove of the front end of the drive shaft; the poke head is inserted in the oblong groove of the active brush head wheel, the active brush head wheel and the passive brush head wheel are fixed on the brush head base of the front end of the toothbrush body through pin shaft. The diameter of the active brush head wheel is larger than the diameter of the passive brush head wheel; the gear number of the active brush head wheel is larger than the gear number of the passive brush head wheel. Because the toothbrush body is separated from the handle, the manufacture and the installing are convenient. The two sets of bristles can be good for changing the contact angle between the bristles and the teeth; the mouth cavity is cleaned; the gingival is protected. The rotating of the poke assembly is stable; the stroke is proper with the frequency; the moving trajectory produced by the bristles can conform to the requirement of teeth health protection.
Description
Affiliated technical field
This utility model relates to electric toothbrush, and especially a kind of bristle motion track meets the electric toothbrush of dental care requirement more.
Background technology
Nearly 500 of the domestic patent documentation of relevant electric toothbrush, wherein Chinese patent 022714901 provides a kind of brushhead motion track and the correct essentially identical electric toothbrush of teeth brushing way, comprise brush pot, brush holder and have the brush of bristle, the brush pot inner chamber is provided with the connecting rod of battery, motor, drive mechanism and drive thereof, connect rod end and be provided with the swing mechanism that the drive brush is made reciprocal beat, this swing mechanism is the crotch of crank throw shape by connecting rod top and but the hook groove of brush inwall holding crotch constitutes, and wherein the hook well width is slightly larger than the connecting rod diameter.But the structure of seeing this patent from accompanying drawing is more complicated still, and the design of crank throw shape crotch and produce cumbersomely and has only a rectangle brush, can not the conversion bristle and the contact angle of tooth.
Summary of the invention
In order to overcome existing electric toothbrush complex structure and can not the conversion bristle and the deficiency of tooth contact angle, this utility model provides a kind of and makes bristle motion track easy for installation and meet the electric toothbrush that dental care requires more.
The technical scheme that its technical problem that solves this utility model adopts is: a kind of electric toothbrush, comprise handle and toothbrush body, be installed on motor and switch, battery and the positioning seat thereof of handle body inner chamber, be installed on the power transmission shaft and the forward brush of toothbrush body inner chamber, it is characterized in that toothbrush body be plugged in handle body suitable for reading in, power transmission shaft is plugged in the output shaft of motor, be provided with two wheeled brushes, initiatively the brush wheel not only is connected with the power transmission shaft outfan but also takes turns mutual tooth engagement with passive brush.
Described electric toothbrush, its construction features is that the power transmission shaft outfan is equipped with one and stirs molectron, this is stirred molectron and comprises poke rod, stirs neck and stir head that poke rod is inserted the people in the mounting groove of power transmission shaft front end, stirs a slotting people in active brush wheel periphery groove.
Described electric toothbrush, its construction features are that the longitudinal centre line of stirring neck and stirring head is parallel to the longitudinal centre line of poke rod, and spacing is the 1-9 millimeter, and preferred spacing is 5 millimeters, and the longitudinal centre line of poke rod and power transmission shaft overlaps.
Described electric toothbrush, its construction features are that the width of initiatively brush wheel groove is less than or equal to the diameter of stirring head slightly.
Described electric toothbrush, its construction features are that bearing pin passes initiatively the centre bore of brush wheel and passive brush wheel and locatees respectively in the blind hole of inserting toothbrush body front portion brush seat.
Described electric toothbrush, its construction features is initiatively and on the passive brush wheel periphery all to be provided with several teeth, initiatively several teeth on the brush wheel periphery are with the groove symmetrical distribution and towards deviating from, initiatively be provided with two circle bristles above the brush wheel, be provided with a circle bristle above the passive brush wheel.
Described electric toothbrush, its construction features are that the length of the initiatively two circle bristles that are provided with above of brush wheel is unequal, and preferred mode is that the inner ring bristle is short, and the outer ring bristle is long.
Described electric toothbrush, its construction features are the diameter of the diameter of initiatively brush wheel greater than passive brush wheel, and initiatively the number of teeth of brush wheel is greater than the number of teeth of passive brush wheel.
Described electric toothbrush, its construction features are that the diameter of initiatively brush wheel is the 8-20 millimeter, and preferred diameter is 14 millimeters; The diameter of passive brush wheel is the 4-12 millimeter, and preferred diameter is 8 millimeters.
Described electric toothbrush, its construction features are that the number of teeth of initiatively brush wheel is 4-10, and the preferred number of teeth is 6; The number of teeth of passive brush wheel is 3-9, and the preferred number of teeth is 5.
The beneficial effects of the utility model are: toothbrush body and handle split can be simplified mould structure, help making and installing.Be provided with the bristle lengths difference on two cover bristles and direction of rotation at one time and the active brush wheel, all help changing the contact angle of bristle and tooth, help cleaning teeth space and tooth inboard.Owing to stir molectron and power transmission shaft connects as one, by stirring head circular motion is transformed to the swing that brush is taken turns, this transmission form is reliable and stable.Bristle stroke and tooth length quite help protecting gingiva.Compare with connecting rod, crotch and the hook groove of prior art, the movement locus of this utility model bristle meets the teeth brushing way that dental care requires more.
Description of drawings
Below in conjunction with drawings and Examples this utility model is further specified.
Fig. 1 is the front view of the toothbrush body of this utility model electric toothbrush.
Fig. 2 is a front view of stirring molectron shown in Figure 1.
Fig. 3 is the front view of active brush wheel periphery groove shown in Figure 1.
Fig. 4 is along A-A line cutaway view (drawing respectively according to the part erection sequence) among Fig. 1.
1. toothbrush bodies among the figure, 2. power transmission shaft is 3. stirred molectron, 4. brush wheel initiatively, 5. passive brush wheel, 6. bearing pin, 7. bristle, 8. tooth, 9. union joint, 10. poke rod, 11. stir neck, and 12. stir head, 13. grooves, 14. installing holes, 15. blind holes.
The specific embodiment
This utility model electric toothbrush partly is made of the toothbrush body in handle portion that does not draw in the accompanying drawing and the accompanying drawing.Handle portion comprises handle body, is installed on micromotor and switch, battery and the positioning seat thereof (handle cover of holding concurrently) of handle body inner chamber.The micromachine output shaft has a cross slot that is used to connect.Handle portion is similar to up-small and down-big ellipsoid " pocket lamp ".
Accompanying drawing has provided the structure of toothbrush body.As shown in Figure 1, toothbrush body (1) inner chamber is equipped with a power transmission shaft (2), this power transmission shaft front end is equipped with stirs molectron (3), this is stirred molectron and comprises Trinitarian poke rod (10), stirs neck (11) and stir head (12) (referring to Fig. 1, Fig. 2), poke rod (10) is inserted the people in the mounting groove of power transmission shaft (2) front end, and the two closely cooperates to guarantee stirring molectron (3) all the time along with the power transmission shaft normal rotation.The rear end of described power transmission shaft (2) is the union joint (9) that inserts in the motor output shaft slot, and the transverse section of this union joint (9) is a cross.The described head (12) of stirring of stirring molectron is inserted people on active brush wheel (4) periphery in the rectangular recess (13), the width of groove (13) is less than or equal to the diameter of stirring head (12) slightly, elasticity by means of plastic, stir head (12) and closely contact (referring to Fig. 1, Fig. 3) with drivewheel groove (13), can stir drivewheel again can be in groove (13) straightway moving in a circle.Be in eccentric position on the poke rod end face owing to stir head, stir head and move in a circle and drive brush wheel simultaneously and do reciprocating swing, corresponding to the action of vertically brushing teeth up and down.
As shown in Figure 1, several teeth (8) on passive brush wheel (5) periphery and brush are initiatively taken turns the corresponding engagement of several teeth (8) on (4) periphery.Bearing pin (6) passes the centre bore (14) of active brush wheel (4) and passive brush wheel (5) and locatees respectively in the blind hole (15) of inserting the anterior brush seat of toothbrush body (1) (referring to Fig. 4).Two brush wheels can center on bearing pin (6) and rotate.
As shown in Figure 1, initiatively and on the passive brush wheel periphery all be provided with several teeth (8), several teeth (8) on the active brush wheel periphery are symmetrically distributed with groove (13) and are respectively arranged with a Liang Quan and a circle bristle (7) above deviate from, active and passive brush are taken turns.Wherein initiatively the length of the two circle bristles (7) that are provided with above of brush wheel is unequal.Initiatively the diameter of brush wheel is the 8-20 millimeter, and preferred diameter is 14 millimeters; The diameter of passive brush wheel is the 4-12 millimeter, and preferred diameter is 8 millimeters.Initiatively the number of teeth of brush wheel is 4-10, and the number of teeth of preferred brush wheel is 6; The number of teeth of passive brush wheel is 3-9, and the preferred number of teeth is 5.The number of teeth of brush wheel should be harmonious with the radius of gyration of stirring head: radius is little or big, and then the number of teeth is few or many.The diameter of brush wheel is with the quantity of bristle and distribute relevant.When selecting data, should consider sex, age and oral cavity type.
As shown in Figure 2, the longitudinal centre line of stirring neck (11) and stirring head (12) is parallel to the longitudinal centre line of poke rod (10), and spacing is the 1-9 millimeter, and preferred spacing is 5 millimeters, and this spacing is exactly to stir the radius of gyration of head.The longitudinal centre line of poke rod (10) and power transmission shaft (2) overlaps.
The work process of this utility model electric toothbrush: minitype motor driving power transmission shaft (2) and stir molectron (3), stir head (12) and in the groove (13) of active brush wheel (4), make circular motion, intermittently stir drivewheel (4) or-clockwise or rotate counterclockwise left to the right around drive shaft axis; Drivewheel (4) makes follower (5) do counterclockwise or clockwise rotate by tooth (8) engagement simultaneously.The radius of gyration of head is little, rotational travel short owing to stir, and drivewheel and follower and bristle thereof (7) are rendered as the state of swinging.This is just along brush teeth the up and down kinestate of needed bristle of teeth space.
Claims (10)
1. electric toothbrush, comprise handle and toothbrush body, be installed on motor and switch, battery and the positioning seat thereof of handle body inner chamber, be installed on the power transmission shaft and the forward brush of toothbrush body inner chamber, it is characterized in that toothbrush body (1) be plugged in handle body suitable for reading in, power transmission shaft (2) is plugged in the output shaft of motor, is provided with two wheeled brushes, and initiatively the brush wheel not only is connected with power transmission shaft (2) outfan but also takes turns mutual tooth engagement with passive brush.
2. electric toothbrush according to claim 1, the outfan that it is characterized in that power transmission shaft (2) is equipped with one and stirs molectron (3), this is stirred molectron and comprises poke rod (10), stirs neck (11) and stir head (12), poke rod (10) is inserted the people in the mounting groove of power transmission shaft (2) front end, stirs head (12) and inserts the people in active brush wheel (4) periphery groove (13).
3. electric toothbrush according to claim 1 and 2, the longitudinal centre line that it is characterized in that stirring neck (11) and stir head (12) is parallel to the longitudinal centre line of poke rod (10), spacing is the 1-9 millimeter, and the longitudinal centre line of poke rod (10) and power transmission shaft (2) overlaps.
4. electric toothbrush according to claim 1 and 2 is characterized in that initiatively the width of brush wheel groove (13) is less than or equal to the diameter of stirring head (12) slightly.
5. electric toothbrush according to claim 1 and 2 is characterized in that bearing pin (6) passes initiatively the centre bore (14) of brush wheel (4) and passive brush wheel (5) and locatees respectively in the blind hole (15) of the anterior brush seat of insertion toothbrush body (1).
6. electric toothbrush according to claim 1 and 2, it is characterized in that initiatively and on the passive brush wheel periphery all being provided with several teeth (8), several teeth (8) on the active brush wheel periphery are symmetrically distributed with groove (13) and are respectively arranged with a Liang Quan and a circle bristle (7) above deviate from, active and passive brush are taken turns.
7. electric toothbrush according to claim 6 is characterized in that the length of the two circle bristles (7) that active brush wheel is provided with above is unequal.
8. electric toothbrush according to claim 1 and 2 is characterized in that the diameter of the diameter of active brush wheel greater than passive brush wheel, the number of teeth that the number of teeth of active brush wheel is taken turns greater than passive brush.
9. electric toothbrush according to claim 8 is characterized in that initiatively the diameter of brush wheel is the 8-20 millimeter, and the diameter of passive brush wheel is the 4-12 millimeter.
10. electric toothbrush according to claim 8 is characterized in that initiatively the number of teeth of brush wheel is 4-10, and the number of teeth of passive brush wheel is 3-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420020457 CN2684786Y (en) | 2004-02-23 | 2004-02-23 | Electric toothbrush (CN) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420020457 CN2684786Y (en) | 2004-02-23 | 2004-02-23 | Electric toothbrush (CN) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2684786Y true CN2684786Y (en) | 2005-03-16 |
Family
ID=34669314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420020457 Expired - Fee Related CN2684786Y (en) | 2004-02-23 | 2004-02-23 | Electric toothbrush (CN) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2684786Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105496592A (en) * | 2015-02-15 | 2016-04-20 | 深圳市同洁科技有限公司 | Vertical brushing type electric toothbrush |
| CN106413629A (en) * | 2014-05-22 | 2017-02-15 | 皇家飞利浦有限公司 | Resonance tuning of the bristle structure for a power toothbrush |
| CN108309487A (en) * | 2016-07-11 | 2018-07-24 | 泉州创源机电科技有限公司 | A kind of electric toothbrush and its working method |
-
2004
- 2004-02-23 CN CN 200420020457 patent/CN2684786Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106413629A (en) * | 2014-05-22 | 2017-02-15 | 皇家飞利浦有限公司 | Resonance tuning of the bristle structure for a power toothbrush |
| US10667891B2 (en) | 2014-05-22 | 2020-06-02 | Koninklijke Philips N.V. | Resonance tuning of the bristle structure for a power toothbrush |
| CN105496592A (en) * | 2015-02-15 | 2016-04-20 | 深圳市同洁科技有限公司 | Vertical brushing type electric toothbrush |
| CN108309487A (en) * | 2016-07-11 | 2018-07-24 | 泉州创源机电科技有限公司 | A kind of electric toothbrush and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050316 Termination date: 20100223 |