CN103654986B - A kind of electric toothbrush - Google Patents

Abstract

The invention discloses a kind of electric toothbrush, comprise the handle containing inner chamber, drive mechanism and be arranged in control unit and the motor of intracavity of handle, control unit is connected with motor, and the output shaft of motor is connected with drive mechanism; Also comprise the base containing inner chamber, two first brush teeth unit and two second unit of brushing teeth, base is fixedly connected on the side of handle, and the inner chamber of base communicates with the inner chamber of handle, and drive mechanism is arranged in the inner chamber of handle and the inner chamber of base; Two first unit of brushing teeth are laid in above and below base, and a groove is laid at the two ends of base respectively, and the second unit of brushing teeth is arranged in groove; First unit and second unit of brushing teeth of brushing teeth is respectively equipped with bristle, and the first unit and second unit of brushing teeth of brushing teeth is connected with drive mechanism respectively; First unit and second of brushing teeth brushes teeth unit under the effect of drive mechanism, realizes rotating or vibration.This electric toothbrush can clean whole dental surface simultaneously.

Description

A kind of electric toothbrush

Technical field

The invention belongs to a kind of demand product of daily life, specifically, relate to a kind of electric toothbrush.

Background technology

Electric toothbrush is a kind of daily hygiene articles for use, it is characterized in that cleaning efficiency is high, and cleaning action is strong, and also has massage effect to gingiva.

Existing typical powered toothbrush on the basis of traditional toothbrush, by the induced effect of machinery, brush is shaken or rotates, then cleaned whole dental surface the control of brush position by people.This mode efficiency is relatively low.If electric brush head (electric brush head referring to straight line vibrations circular arc vibration here or roll) is arranged to the shape of exterior of teeth of fitting in a certain way, then can the dental surface (dental surface here refers to the dental surface utilizing traditional toothbrushes to clean) of disposable cleaning all (or close to all).Greatly can improve brushing efficiency.In order to clean whole dental surface simultaneously; be easy to associate the bristle of electric toothbrush is arranged in similar facing (the U-shaped tooth cover of the one taken care of one's teeth that during the row boxing of facing fingering here, athlete wears) shape electric toothbrush housings on; the position arranged is the groove of the electric toothbrush of the groove of corresponding facing, and drives bristle motion thus cleaning teeth by the motion of the base plate connecting bristle.But can find that this structural design difficulty is larger through actual product design, or the restriction of the shell due to the facing groove shapes at bristle place, make the range of movement of bristle limited, and due to the restriction of facing shell, in fact such electric toothbrush bristle is difficult to touch grinding one's teeth in sleep of (or can not touch very completely) cavity interior (inside refers to point to from lip in oral cavity the direction of esophagus) depths, and due to the difference of position of different people oral cavity inner teeth gear distribution, especially the distance of the innermost distance front tooth foremost of grinding one's teeth in sleep in oral cavity is different, be difficult to the electric toothbrush housings of the facing shape finding applicable Different Individual to use, even the facing shape shell being divided into not size also cannot adapt to the distance of the innermost distance front tooth foremost of grinding one's teeth in sleep in the different oral cavity of different people, in dental brace type groove, arrange that the design of brush can make electric toothbrush volume larger in addition, uncomfortable when causing user to use.Therefore rely on so simple imagination in fact can not realize cleaning preferably the electric toothbrush of whole dental surface simultaneously.

Summary of the invention

Technical problem: technical problem to be solved by this invention is: provide a kind of electric toothbrush, this electric toothbrush can clean whole dental surface simultaneously.

Technical scheme: for solving the problems of the technologies described above, the technical solution used in the present invention is:

A kind of electric toothbrush, comprise the handle containing inner chamber, drive mechanism and be arranged in control unit and the motor of intracavity of handle, control unit is connected with motor, and the output shaft of motor is connected with drive mechanism; Also comprise the base containing inner chamber, two first brush teeth unit and two second unit of brushing teeth, base is fixedly connected on the side of handle, and the inner chamber of base communicates with the inner chamber of handle, and drive mechanism is arranged in the inner chamber of handle and the inner chamber of base; Two first unit of brushing teeth are laid in above and below base, and a groove is laid at the two ends of base respectively, and the second unit of brushing teeth is arranged in groove; First unit and second unit of brushing teeth of brushing teeth is respectively equipped with bristle, and the first unit and second unit of brushing teeth of brushing teeth is connected with drive mechanism respectively; First unit and second of brushing teeth brushes teeth unit under the effect of drive mechanism, realizes rotating or vibration.

Further, described each first brush teeth unit comprise there is transmission agency outer shaft frame, outer shaft, the interior spindle housing with transmission agency and interior rotating shaft, outer shaft frame and interior spindle housing are all connected on base; Outer shaft is connected on outer shaft frame, and the axis of outer shaft takes the shape of the letter U after being connected, and wherein an outer shaft is connected with drive mechanism; Interior rotating shaft is connected in interior spindle housing, and the axis of interior rotating shaft takes the shape of the letter U after being connected, and wherein an interior rotating shaft is connected with drive mechanism; The U-shaped nose place of the outer shaft that handle takes the shape of the letter U after axis is connected; Outer shaft surface and interior rotating shaft surface are laid with bristle respectively.

Further, the described each second unit of brushing teeth comprises side rotating shaft, and side rotating shaft is connected with drive mechanism, and side rotating shaft clockwise and staggeredly counterclockwise to rotate; Rotating shaft surface, side is laid with bristle.

Further, described outer shaft frame is N number of, and outer shaft is N+1, and interior spindle housing is M, and interior rotating shaft is M+1, and outer shaft is connected between two adjacent outer shaft framves, and the both sides being positioned at the outer shaft frame of end connect an outer shaft respectively; Interior rotating shaft is connected between adjacent interior spindle housing, and the both sides being positioned at the spindle housing of end connect a rotating shaft respectively; N and M is integer, and 2≤N≤8,2≤M≤8.

Further, described electric toothbrush, also comprise all U-shaped upper bluff piece of cross section and lower bluff piece, on this, bluff piece is fixedly connected on base top surface outer; Lower bluff piece is fixedly connected on base end face outer.

Further, described each first brushes teeth in unit, is positioned at two outer shaft protuberate basic units of the U-shaped opening of the outer shaft taken the shape of the letter U after axis is connected; Be positioned at two rotating shaft protuberate basic units of the U-shaped opening of the rotating shaft taken the shape of the letter U after axis is connected; Described each second brushes teeth in unit, away from the side rotating shaft protuberate basic unit of handle one end.

Further, described housing is provided with the first groove and the second groove, and head rod is through the first groove, and the height of the first gear is greater than the height of the first groove, and when head rod moves in the first groove, the first gear engages with toothed disc all the time; Second connecting rod is through the second groove, and the height of the second gear is greater than the height of the second groove, and when the second connecting rod moves in the second groove, the second gear engages with toothed disc all the time.

Further, described each first brushes teeth, and unit comprises outer transmission gripper shoe, the first hair brushing plate being provided with bristle be connected in outer transmission gripper shoe, interior transmission support plate and the second hair brushing plate being provided with bristle that is connected on interior transmission support plate, and the first hair brushing plate is relative with the second hair brushing plate to be laid; The axis of outer transmission gripper shoe takes the shape of the letter U after being connected, and takes the shape of the letter U after the axis of interior transmission support plate is connected; Outer transmission gripper shoe is connected with drive mechanism respectively with interior transmission support plate, realizes oscillating movement; Outer transmission gripper shoe and interior transmission support plate take the shape of the letter U respectively.

Further, the described each second unit of brushing teeth comprises transmission support plate, is connected to the 3rd hair brushing plate being provided with bristle on transmission support plate; 3rd hair brushing plate is laid in end face and the bottom surface of transmission support plate; Transmission support plate is connected with drive mechanism, realizes oscillating movement.

Further, described each first brushes teeth in unit, is positioned at the first hair brushing plate protuberate basic unit in two outer transmission gripper shoes of the U-shaped opening of the outer transmission gripper shoe taken the shape of the letter U; Be positioned at the second hair brushing plate protuberate basic unit on two transmission support plates of the U-shaped opening of the transmission support plate taken the shape of the letter U; Brush teeth in unit each second, away from the 3rd hair brushing plate protuberate basic unit on the transmission support plate of handle one end.

Further, the first described hair brushing plate, the second hair brushing plate and the 3rd hair brushing plate are flexible material and make.

Beneficial effect: compared with prior art, the present invention has following beneficial effect:

(1) clean whole tooth simultaneously, improve brushing efficiency.Traditional electric toothbrush, at one time, can only cleaning part tooth, the present invention can at one time, clean whole tooth.Electric toothbrush of the present invention comprises handle, drive mechanism, control unit, motor, base, two first brush teeth unit and two second unit of brushing teeth.Two first unit of brushing teeth are laid in above and below base, and a groove is laid at the two ends of base respectively, and the second unit of brushing teeth is arranged in groove.First unit and second unit of brushing teeth of brushing teeth is respectively equipped with bristle, and the first unit and second unit of brushing teeth of brushing teeth is connected with drive mechanism respectively.First unit and second of brushing teeth brushes teeth unit under the effect of drive mechanism, realizes rotating or vibration.In use, upper row's tooth of people is embedded to brushes teeth between the outer shaft of unit and interior rotating shaft first above base, and lower row's tooth of people is embedded to brushes teeth between the outer shaft of unit and interior rotating shaft first below base; Between the upper row that two second unit of brushing teeth lay respectively at human mouth both sides grinds one's teeth in sleep and lower row grinds one's teeth in sleep.Like this when after startup control unit, power transmission to be brushed teeth unit to the first unit and second of brushing teeth by drive mechanism.First unit and second of brushing teeth is brushed teeth unit simultaneously cleaning teeth.Which improves brushing efficiency.

(2) tooth position in different oral cavity can be adapted to.Electric toothbrush of the present invention, side spindle housing, outer shaft frame and interior spindle housing are all connected on pedestal by locating rod.Locating rod is made up of pliable material.Like this, side spindle housing, outer shaft frame and interior spindle housing all can around locating rod adjusting positions among a small circle, to adapt to different tooth positions.Meanwhile, outer shaft, interior rotating shaft and side rotating shaft are also made by pliable material.Different rotating shaft self also produces certain deformation, adapts to different dental.When these parts and tooth position produce interfere time, by these parts produce deformation, adapt to the position of tooth.Locating rod adopts and is made up of pliable material, can realize the position adjustments of side spindle housing, outer shaft frame and interior spindle housing.In addition, housing is provided with the first groove and the second groove, head rod is through the first groove, and one end of head rod is against on locating shaft, and the second connecting rod is through the second groove, and one end of the second connecting rod is against on locating shaft.Like this, head rod can rotate in the first groove, and the second connecting rod can rotate in the second groove.By the change of head rod and the second connecting rod position, realize the position adjustments of the outer shaft that head rod or the second connecting rod are connected, interior rotating shaft or side rotating shaft.Moreover, be positioned at two outer shaft protuberate basic units of the U-shaped opening of the outer shaft taken the shape of the letter U after axis is connected; Be positioned at two rotating shaft protuberate basic units of the U-shaped opening of the rotating shaft taken the shape of the letter U after axis is connected; Away from the side rotating shaft protuberate basic unit of handle one end.When outer shaft and interior rotating shaft are not suitable with the oral cavity of people, two outer shafts of the U-shaped opening of the outer shaft taken the shape of the letter U after can being connected being positioned at axis are cut short, two rotating shafts being positioned at the U-shaped opening of the rotating shaft taken the shape of the letter U after axis is connected are cut short, side rotating shaft away from handle one end is cut short, to adapt to the oval shape of different people.

(3) oral mucosa is protected.Electric toothbrush of the present invention also comprises all U-shaped upper bluff piece of cross section and lower bluff piece, and upper bluff piece is fixedly connected on base top surface outer; Lower bluff piece is fixedly connected on base end face outer.When the oral cavity of people is put in this electric toothbrush, for avoiding bristle, each spindle housing, or each rotating shaft is to the destruction of human mouth inwall mucosal tissue, arranges bluff piece and lower bluff piece, protect oral cavity in the upper and lower surface of pedestal.

(4) while brushing teeth, other things can be done.The present invention can liberate the both hands of user in use, and user can complete other things in bimanualness of brushing teeth simultaneously.

Accompanying drawing explanation

Fig. 1 is the side view of the embodiment of the present invention 1.

Fig. 2 is the top view of the embodiment of the present invention 1.

Fig. 3 is the second top view of brushing teeth unit in the embodiment of the present invention 1.

Fig. 4 is the connection top view of the embodiment of the present invention 1 China and foreign countries' spindle housing and outer shaft.

Fig. 5 is the connection top view of side rotating shaft and drive mechanism in the embodiment of the present invention 1.

Fig. 6 is the connection top view of side spindle housing in the embodiment of the present invention 1, side rotating shaft and drive mechanism.

Fig. 7 is the bristle scattergram at bracing frame place in the embodiment of the present invention 1.

Fig. 8 be the embodiment of the present invention 1 be positioned at U-shaped nose place outer shaft on bristle scattergram.

Fig. 9 is the bristle scattergram in the embodiment of the present invention 1 in the rotating shaft of side.

Figure 10 is the side view of the embodiment of the present invention 1 transfer pedestal.

Figure 11 is the top view of the embodiment of the present invention 1 transfer pedestal.

Figure 12 is the front view of the embodiment of the present invention 1 transfer pedestal.

Figure 13 is the partial top view of the embodiment of the present invention 1.

Figure 14 is the front view of the embodiment of the present invention 2.

Figure 15 is the position view of each transmission support plate on the embodiment of the present invention 2 base plate.

Figure 16 is the position view of each hair brushing plate on the embodiment of the present invention 2 base plate.

Have in figure: handle 1, control unit 2, motor 3, drive mechanism 4, base 5, side rotating shaft 6, outer shaft 7, interior rotating shaft 8, bristle 9, outer shaft frame 10, interior spindle housing 11, side spindle housing 12, upper bluff piece 13, lower bluff piece 14, outer transmission gripper shoe 15, first hair brushing plate 16, interior transmission support plate 17, second hair brushing plate 18, transmission support plate 19, 3rd hair brushing plate 20, bracing frame 21, housing 101, locating rod 102, first gear 103, second gear 104, toothed disc 105, head rod 107, second connecting rod 108, locating shaft 109, first groove 110, second groove 111, groove 501.

Detailed description of the invention

For more specifically describing the technological means and effect thereof that the present invention takes, be described in more detail further combined with the preferred embodiment of invention and accompanying drawing thereof below.

A kind of electric toothbrush of the present invention, comprises the handle 1 containing inner chamber, drive mechanism 4, the control unit 2 being arranged in handle 1 inner chamber and motor 3, base 5, two first containing inner chamber brushes teeth unit and two second unit of brushing teeth.Control unit 2 is connected with motor 3, and the output shaft of motor 3 is connected with drive mechanism 4.Base 5 is fixedly connected on the side of handle 1, and the inner chamber of base 5 communicates with the inner chamber of handle 1.Base 5 and handle 1 can be a single piece, are convenient to make and install drive mechanism.Drive mechanism 4 is arranged in the inner chamber of handle 1 and the inner chamber of base 5.Two first unit of brushing teeth are laid in above and below base 5, and the two ends of base 5 are laid a groove 501, the second unit of brushing teeth respectively and are arranged in groove 501.First unit and second unit of brushing teeth of brushing teeth is respectively equipped with bristle, and the first unit and second unit of brushing teeth of brushing teeth is connected with drive mechanism 4 respectively.First unit and second of brushing teeth brushes teeth unit under the effect of drive mechanism, realizes rotating or vibration.

In the electric toothbrush of said structure, control unit comprises some switches, adjusting knob, control circuit board and power supply.Control unit 2, motor 3 and drive mechanism are prior art, and the present invention does not lie in the improvement to these existing parts, and are only use.This control unit is connected with electric electromechanics, motor is connected with drive mechanism, user can control the duty of electric toothbrush by the gauge tap of described control unit and adjusting knob, such as select the open and close of electric toothbrush, regulate the running of the inner drive mechanism of electric toothbrush and then regulate the rotating speed being connected with the rotating shaft of bristle of electric toothbrush.Arranging of groove 501 can make user when using toothbrush, and upper and lower interarch distance is unlikely to be caused uncomfortable too greatly.

The power toothbrush workpiece process of said structure is: by control unit 2 actuating motor 3, and motor 3 drives drive mechanism 4 to run, and then drives the first unit and second unit of brushing teeth of brushing teeth to run respectively.Upper row's tooth due to people is embedded to brush teeth unit being arranged in first above base, lower row's tooth of people is embedded to brush teeth unit being arranged in first below base, second brushes teeth unit between the grinding one's teeth in sleep of the upper row of people and lower row, so when first brush teeth unit and second brush teeth unit rotational or vibration time, the first unit and second unit of brushing teeth of brushing teeth can be cleared up the whole teeth in human mouth.The electric toothbrush of this structure, achieves the object of simultaneously clearing up tooth, improves brushing efficiency.

Exemplify embodiment below.

Embodiment 1

As shown in Figure 1, Figure 2, shown in Fig. 4 and Figure 13, in this electric toothbrush each first brush teeth unit comprise there is transmission agency outer shaft frame 10, outer shaft 7, the interior spindle housing 11 with transmission agency and interior rotating shaft 8, outer shaft frame 10 and interior spindle housing 11 are all connected on base 5.Outer shaft 7 is connected on outer shaft frame 10.Outer shaft 7 is many, and the axis of outer shaft 7 takes the shape of the letter U after being connected.Taking the shape of the letter U is arrangement in order to adapt to tooth.An outer shaft 7 is connected with drive mechanism 4.Interior rotating shaft 8 is many.Interior rotating shaft 8 is connected in interior spindle housing 11.The axis of interior rotating shaft 8 takes the shape of the letter U after being connected.Taking the shape of the letter U is arrangement in order to adapt to tooth.An interior rotating shaft 8 is connected with drive mechanism 4.The U-shaped nose of the outer shaft 7 that handle 1 takes the shape of the letter U after axis is connected; Outer shaft 7 surface and interior rotating shaft 8 surface are laid with bristle 9 respectively.As shown in Figure 3 and Figure 5, each second unit of brushing teeth comprises side rotating shaft 6, and side rotating shaft 6 is connected with drive mechanism 4, and side rotating shaft 6 clockwise and staggeredly counterclockwise to rotate.Side rotating shaft 6 surface is laid with bristle 9.Clockwise and counterclockwise alternately the rotating of side rotating shaft 6, ensures that it can answer external tooth by cleansing phase better.

The electric toothbrush of this structure in use, upper row's tooth of people is embedded to brushes teeth between the outer shaft 7 of unit and interior rotating shaft 8 first above base 5, lower row's tooth of people is embedded to brushes teeth between the outer shaft 7 of unit and interior rotating shaft 8 first below base 5, second unit of brushing teeth is two, between the upper row laying respectively at human mouth both sides grinds one's teeth in sleep and lower row grinds one's teeth in sleep.

The work process of the electric toothbrush of this structure is: power transmission is given an outer shaft 7 by drive mechanism 4, and this outer shaft 7 rotates, and by outer shaft frame 10, rotary power is passed to other outer shafts 7 simultaneously, thus reaches the object of all outer shaft 7 rotations.Meanwhile, power transmission is given an interior rotating shaft 8 by drive mechanism 4, and this interior rotating shaft 8 rotates, and by interior spindle housing 11, rotary power is passed to rotating shaft 8 in other simultaneously, thus reaches the object of all interior rotating shaft 8 rotations.Drive mechanism 4 is also by power transmission side rotating shaft 6, and this side rotating shaft 6 rotates.Drive mechanism 4 drives 7, the interior rotating shaft 8 of an outer shaft or side rotating shaft 6 to rotate, and routine techniques in the art can be adopted to realize.Drive mechanism 4 can be many covers, drives outer shaft 7, interior rotating shaft 8, side rotating shaft 6 to rotate respectively.Side rotating shaft 6 interlocks clockwise and counterclockwise and rotates, and can use two sets of transmission mechanism to realize.It is realized by control unit and drive mechanism cooperating that side rotating shaft 6 changes nyctitropic motion.Drive mechanism 4 adopts existing known technology, and such as, for outer shaft 7, the end of drive mechanism arranges worm screw, and worm screw is meshed with the gear on outer shaft 7.Internal rotating shaft 8, the end of drive mechanism arranges worm screw, and worm screw is meshed with the gear in interior rotating shaft 8, and this worm screw passes from base 5, and avoids brushing teeth between outer shaft 7 and interior rotating shaft 8 required space.

Outer shaft frame 10 and interior spindle housing 11 are used for transmitting rotary power.In the art, as long as the structure that can realize the transmission of power between two side rotating shafts 6 is all within this patent protection domain.A kind of concrete structure of outer shaft frame 10 is provided below.

As shown in figure 12, outer shaft frame 10 comprises housing 101, locating rod 102, head rod 107, second connecting rod 108, and be arranged in the first gear 103 of housing 101, second gear 104 and toothed disc 105, housing 101 is fixedly connected on base 5 by locating rod 102, the engagement of the first gear 103 and the second gear 104 end face different from toothed disc 105 respectively, can brush to the direction away from the upper jaw using the supramaxillary tooth of user of electric toothbrush after this engagement system can realize transmission, the tooth of lower jaw is brushed to the direction away from lower jaw, this cleaning mode is conducive to thoroughly clean and little to gingival lesions, massage effect is had to gingiva, toothed disc 105 is connected in housing 101 by locating shaft, head rod 107 and the second connecting rod 108 are positioned at the both sides of housing 101, and be each passed through housing 101, one end of head rod 107 is connected to the tooth of the first gear 103 in the heart, the other end of head rod 107 is connected on outer shaft 7, one end of second connecting rod 108 is connected to the tooth of the second gear 104 in the heart, and the other end of the second connecting rod 108 is connected on outer shaft 7.Locating rod 102 and base 5, for being fixedly connected with, also can be detachable connection.Regardless of which kind of connected mode, the technological means that this area all can be adopted conventional realizes.

Preferably, the other end of described head rod 107 is connected on outer shaft 7 by press-fit, and press-fit position is complementary or partial complementarity; The other end of the second connecting rod 108 is connected on outer shaft 7 by press-fit, and press-fit position is complementary or partial complementarity.Employing press-fit connects, and is conducive to the transmission of rotary power.

When an outer shaft 7 is given in power transmission by drive mechanism, rotary power is passed to head rod 107 by outer shaft 7, head rod 107 drives the first gear 103 to rotate, first gear 103 drives the second gear 104 to rotate by toothed disc 105, second gear 104 drives the second connecting rod 108 to rotate, second connecting rod 108 drives another root outer shaft 7 to rotate, and transmits power according to this, thus realizes the rotation of all outer shafts 7.Equally, interior spindle housing 11 and outer shaft frame 10 have identical structure, realize the rotation of all interior rotating shafts 8.

Can set according to the actual requirements about the quantity of outer shaft frame 10 and the quantity of interior spindle housing 11.The present embodiment adopts following two kinds of structures.

The first structure: outer shaft frame 10 is N number of, outer shaft 7 is N-1, and interior spindle housing 11 is M, interior rotating shaft 8 is M-1, and outer shaft 7 is connected between two adjacent outer shaft framves 10, and interior rotating shaft 8 is connected between adjacent interior spindle housing 11, N and M is integer, and 2≤N≤8,2≤M≤8.

The second structure: outer shaft frame 10 is N number of, outer shaft 7 is N+1, and interior spindle housing 11 is M, and interior rotating shaft 8 is M+1, outer shaft 7 is connected between two adjacent outer shaft framves 10, and the both sides being positioned at the outer shaft frame 10 of end connect an outer shaft 7 respectively; Interior rotating shaft 8 is connected between adjacent interior spindle housing 11, and the both sides being positioned at the spindle housing 11 of end connect a rotating shaft 8 respectively; N and M is integer, and 2≤N≤8,2≤M≤8.Be positioned at two outer shaft 7 protuberate basic units 5 of the U-shaped opening of the outer shaft 7 taken the shape of the letter U after axis is connected; Be positioned at two rotating shaft 8 protuberate basic units 5 of the U-shaped opening of the rotating shaft 8 taken the shape of the letter U after axis is connected; Described each second brushes teeth in unit, away from side rotating shaft 6 protuberate basic unit 5 of handle 1 one end.

In actual applications, preferred the second structure.Because the oral cavity of people is different with tooth position, after the toothbrush of this patent is put into oral cavity, outer shaft 7 requires different with the overall length of interior rotating shaft 8.When after selection the second structure, when outer shaft 7 and interior rotating shaft 8 are not suitable with the oral cavity of people, two outer shafts 7 of the U-shaped opening of the outer shaft 7 taken the shape of the letter U after can being connected being positioned at axis are cut short, two rotating shafts 8 being positioned at the U-shaped opening of the rotating shaft 8 taken the shape of the letter U after axis is connected are cut short, to adapt to the oval shape of different people.

As the preferred version of the present embodiment, as shown in Figure 6, described second unit of brushing teeth also comprises the side spindle housing 12 with transmission agency, described side rotating shaft 6 is P, side spindle housing 12 is P-1, and side spindle housing 12 is fixedly connected on the inwall of groove 501, and side rotating shaft 6 is connected in side spindle housing 12, side rotating shaft 6 and side spindle housing 12 are alternately laid, and wherein a side rotating shaft 6 is connected with drive mechanism 4; 2≤P≤3.Each second unit of brushing teeth arranges two or three side rotating shafts 6, is the difference in order to adapt to different people oral cavity size.When arranging the rotating shaft 6 of two or more side, by arranging the transmission that side spindle housing 12 realizes between side rotating shaft 6.

The concrete structure of a kind of side spindle housing 12 is provided below.In the art, as long as the structure that can realize the transmission of power between two side rotating shafts 6 is all within this patent protection domain.Side spindle housing 12 comprises housing 101, locating rod 102, head rod 107, second connecting rod 108, and is arranged in the first gear 103, second gear 104 and toothed disc 105 of housing 101.Toothed disc 105 is a disc, and the upper and lower surface of this disc is respectively equipped with the tooth circumferentially laid.Housing 101 is fixedly connected on base 5 by locating rod 102, and the first gear 103 and the second gear 104 engage with toothed disc 105 respectively.Toothed disc 105 is connected in housing 101 by locating shaft, head rod 107 and the second connecting rod 108 are positioned at the both sides of housing 101, and be each passed through housing 101, one end of head rod 107 is connected to the tooth of the first gear 103 in the heart, the other end of head rod 107 is connected in side rotating shaft 6, one end of second connecting rod 108 is connected to the tooth of the second gear 104 in the heart, and the other end of the second connecting rod 108 is connected in side rotating shaft 6.Locating rod 102 and base 5, for being fixedly connected with, also can be detachable connection.Regardless of which kind of connected mode, the technological means that this area all can be adopted conventional realizes.

Due to the effect of this outer shaft frame 10, interior spindle housing 11 and the side spindle housing 12 with gearing, the rotating shaft of (pressure connects and link position is complementary) above being connected to can be rotated simultaneously, complete the work of cleaning teeth.Simultaneously, one or both ends are all connected in this spindle housing by press-fit by the rotating shaft being connected to bristle matched and these spindle housing with gearing, and described in be connected with bristle rotating shaft can bend to a certain extent, the material of rotating shaft and radius, with for convenience detach, better can complete again cleaning teeth work simultaneously and be as the criterion.

Preferably, the other end of described head rod 107 is connected in side rotating shaft 6 by press-fit, and press-fit position is complementary or partial complementarity.Employing press-fit connects, and is conducive to the transmission of rotary power.

When a side rotating shaft 6 is given in power transmission by drive mechanism, rotary power is passed to head rod 107 by side rotating shaft 6, head rod 107 drives the first gear 103 to rotate, first gear 103 drives the second gear 104 to rotate by toothed disc 105, second gear 104 drives the second connecting rod 108 to rotate, second connecting rod 108 drives another root side rotating shaft 6 to rotate, thus realizes the rotation of all sides rotating shaft 6.

As the preferred version of the present embodiment, described locating rod 102, outer shaft 7, interior rotating shaft 8 and side rotating shaft 6 are made by pliable material.Due to tooth fixing of people, by the material of locating rod 102, outer shaft 7, interior rotating shaft 8 and side rotating shaft 6 is set to pliable material, these parts can be made better can to adapt to the position of tooth.When these parts and tooth position produce interfere time, by these parts produce deformation, adapt to the position of tooth.Locating rod 102 adopts to be made up of pliable material, can realize the position adjustments of side spindle housing 12, outer shaft frame 10 and interior spindle housing 11.Outer shaft 7, interior rotating shaft 8 and side rotating shaft 6 also all can realize self deformation.

As the preferred version of the present embodiment, described electric toothbrush also comprises all U-shaped upper bluff piece 13 of cross section and lower bluff piece 14, and on this, bluff piece 13 is fixedly connected on base 5 end face outer; Lower bluff piece 14 is fixedly connected on outer, base 5 bottom surface.When the oral cavity of people is put in this electric toothbrush, for avoiding the damage of bristle, side spindle housing 12, outer shaft frame 10, interior spindle housing 11, outer shaft 7, interior rotating shaft 8 or side rotating shaft 6 pairs of human mouth inwall mucosal tissues, bluff piece 13 and lower bluff piece 14 are set in the upper and lower surface of pedestal 5.

As the preferred version of the present embodiment, as shown in Figure 9, described each second brushes teeth in unit, the bristle height in side rotating shaft 6, and the axis along side rotating shaft 6 reduces gradually, and minimum away from the bristle height of the side rotating shaft 6 of handle 1 one end.The setting of the bristle height in side rotating shaft 6, is in order to the surface location that makes to grind one's teeth in sleep in the bristle in side rotating shaft 6 and human mouth adapts, realizes the requirement to cleaning of grinding one's teeth in sleep.In addition, as shown in Figure 8, the bristle height on the outer shaft 7 at the U-shaped nose place of the outer shaft 7 taken the shape of the letter U after described axis is connected, increases from the middle to both ends gradually.The outer shaft 7 at U-shaped nose place is positioned at incisor and the canine tooth place of human mouth, the setting of the bristle height on this outer shaft 7, being to make this outer shaft 7 adapt with human mouth central incisor and canine tooth surface location, realizing incisor and canine tooth cleaning.

As the preferred version of the present embodiment, described be arranged in first above base 5 and brush teeth unit, the direction of motion of the bristle of outer shaft 7 and interior rotating shaft 8 is brush from the tooth of upper jaw growth in human mouth to the direction away from the upper jaw; Described be arranged in first below base 5 and brush teeth unit, the direction of motion of the bristle of outer shaft 7 and interior rotating shaft 8 is brush from the tooth of mandibular growth in human mouth to away from lower jaw direction.The direction of motion of the bristle of outer shaft 7 and interior rotating shaft 8 realizes by drive mechanism.First direction of motion of the bristle of outer shaft 7 and interior rotating shaft 8 in unit of brushing teeth is arranged, and is to better clear up tooth, and reduces the damage to gingiva, also have certain massage effect.

As the preferred version of the present embodiment, the bristle 9 described outer shaft 7 being positioned at end covers the outer shaft frame 10 be connected with this outer shaft 7 end, the bristle 9 interior rotating shaft 8 being positioned at end covers and is connected spindle housing 11 with this rotating shaft 8 end, and the bristle 9 side rotating shaft 6 being positioned at end covers the side spindle housing 12 be connected with this side rotating shaft 6 end.Bristle 9 in outer shaft 7, interior rotating shaft 8 and side rotating shaft 6 all covers spindle housing, is all cleaned in order to realize dental surface.

As the preferred version of the present embodiment, as shown in Figure 7, described electric toothbrush, also comprise the bracing frame 21 being provided with hole, on the end face that bracing frame 21 is fixedly connected with base 5 and bottom surface, the outer shaft 7 at the U-shaped nose place of the outer shaft 7 taken the shape of the letter U after being connected away from axis be connected away from axis after take the shape of the letter U in rotating shaft 8 U-shaped nose place in rotating shaft 8 lay respectively in the hole of bracing frame 21, and the bristle of the bristle of outer shaft 7 and interior rotating shaft 8 covers bracing frame 21.Outer shaft 7 and the interior rotating shaft 8 of U-shaped opening part all only have a spindle housing to be connected.Bracing frame 21 is set, can the firmly outer shaft 7 of U-shaped opening part and interior rotating shaft 8, avoiding it unsettled for a long time, lose steadiness, simultaneously when being subject to certain external force, departing from original position not too much.The hole that bracing frame 21 is arranged does not affect the rotation of each rotating shaft.

As the preferred version of the present embodiment, the position adjustments of side spindle housing 12, outer shaft frame 10, interior spindle housing 11, except setting locating rod 102 mentioned above is for except flexible material makes, also can adopt structure below: as shown in Figure 10 and Figure 11, described housing 101 is provided with the first groove and the second groove, head rod 107 is through the first groove, and one end of head rod 107 is against on locating shaft, second connecting rod 108 is through the second groove, and one end of the second connecting rod 108 is against on locating shaft.Like this, head rod 107 can rotate in the first groove, and the second connecting rod 108 can rotate in the second groove.By the change of head rod 107 and the second connecting rod 108 position, the position adjustments of the outer shaft 7 realizing head rod 107 or the second connecting rod 108 are connected, interior rotating shaft 8 or side rotating shaft 6.

Embodiment 2

As shown in Figure 14 to 16, in this electric toothbrush, each first unit of brushing teeth comprises outer transmission gripper shoe 15, is connected to the first hair brushing plate 16 being provided with bristle in outer transmission gripper shoe 15, interior transmission support plate 17 and is connected to the second hair brushing plate 18 being provided with bristle on interior transmission support plate 17; First hair brushing plate 16 is relative with the second hair brushing plate 18 to be laid.The axis of outer transmission gripper shoe 15 takes the shape of the letter U after being connected, and takes the shape of the letter U after the axis of interior transmission support plate 17 is connected; Outer transmission gripper shoe 15 is connected with drive mechanism 4 respectively with interior transmission support plate 17, realizes oscillating movement; Outer transmission gripper shoe 15 and interior transmission support plate 17 take the shape of the letter U respectively.Each second unit of brushing teeth comprises transmission support plate 19, is connected to the 3rd hair brushing plate 20 being provided with bristle on transmission support plate 19; 3rd hair brushing plate 20 is laid in end face and the bottom surface of transmission support plate 19; Transmission support plate 19 is connected with drive mechanism 4, realizes oscillating movement.Drive mechanism 4 for realizing vibrating is prior aries, such as mode of vibration disclosed in patent documentation publication number CN1438857A.The mode of vibration also can have multiple choices, such as, and whirling vibration, up-down vibration.

The electric toothbrush of this structure in use, upper row's tooth of people is embedded to brushes teeth between the first hair brushing plate 16 of unit and the second hair brushing plate 18 first above base 5, lower row's tooth of people is embedded to brushes teeth between the first hair brushing plate 16 of unit and the second hair brushing plate 18 first below base 5,3rd hair brushing plate 20 is two, between the upper row laying respectively at human mouth both sides grinds one's teeth in sleep and lower row grinds one's teeth in sleep.

The work process of the electric toothbrush of this structure is: power is passed to outer transmission gripper shoe 15 by drive mechanism 4 respectively, and this outer transmission gripper shoe 15 is vibrated, thus drives the first hair brushing plate 16 fixed thereon to vibrate.Meanwhile, power is passed to interior transmission support plate 17 by drive mechanism 4 respectively, and this interior transmission support plate 17 vibrates, thus drives the second hair brushing plate 18 fixed thereon to vibrate.Drive mechanism 4 is also by transfer of vibration transmission support plate 19, and this transmission support plate 19 vibrates.Drive mechanism 4 drives outer transmission gripper shoe 15, interior transmission support plate 17 or transmission support plate 19 to vibrate, and routine techniques in the art can be adopted to realize.Drive mechanism 4 can be many covers, drives outer transmission gripper shoe 15, interior transmission support plate 17 and transmission support plate 19 to vibrate respectively.

As the preferred version of the present embodiment, described outer transmission gripper shoe 15 is P, and interior transmission support plate 17 is Q, P and Q is integer, and 3≤P≤5,1≤Q≤5.

As the preferred version of the present embodiment, the first described hair brushing plate 16 is connected in outer transmission gripper shoe 15 by removably, second hair brushing plate 18 is connected on interior transmission support plate 17 by removably, and the 3rd hair brushing plate 20 is connected on transmission support plate 19 by removably.Employing removably connects, and is convenient to the replacing of each hair brushing plate, maintenance and cleans.

As the preferred version of the present embodiment, described each first brushes teeth in unit, is positioned at the first hair brushing plate 16 protuberate basic unit 5 in two outer transmission gripper shoes 15 of the U-shaped opening of the outer transmission gripper shoe 15 taken the shape of the letter U; Be positioned at the second hair brushing plate 18 protuberate basic unit 5 on two transmission support plates 17 of the U-shaped opening of the transmission support plate 17 taken the shape of the letter U; Brush teeth in unit each second, away from the 3rd hair brushing plate 20 protuberate basic unit 5 on the transmission support plate 19 of handle 1 one end.When the first hair brushing plate 16, second hair brushing plate 18 and the 3rd hair brushing plate 20 are not suitable with the oral cavity of people, two the first hair brushing plates 16 being positioned at U-shaped opening can be cut short, two the second hair brushing plates 18 being positioned at U-shaped opening are cut short, and two the 3rd hair brushing plates 20 being positioned at U-shaped opening are cut short.

As the preferred version of the present embodiment, the first described hair brushing plate 16, second hair brushing plate 18 and the 3rd hair brushing plate 20 are flexible material and make.Flexible material can be rubber, plastics or other materials.Due to tooth fixing of people, by the first hair brushing plate 16, second hair brushing plate 18 and the 3rd hair brushing plate 20 are set to pliable material, these parts can be made better can to adapt to the position of tooth.When these parts and tooth position produce interfere time, by these parts produce deformation, adapt to the position of tooth.

In sum, electric toothbrush provided by the invention, the tower structure of employing, can well simultaneously in cleaning oral cavity all or close to whole teeth.And common toothbrushes can not clean whole dental surface usually.Electric toothbrush of the present invention, has liberated both hands when substantially increasing brushing efficiency and use, and has had certain massage functions.

Below be only the specific embodiment exemplified for setting forth the present invention's spirit, protection scope of the present invention is not limited only to this two specific embodiments.Spirit of the present invention is by arranging two first brush teeth unit and two second unit of brushing teeth, and realizes cleaning institute is dentulous simultaneously.Those skilled in the art, after reading teachings herein, any non-creativeness made improves the protection domain all belonging to this patent.

Claims (19)

1. an electric toothbrush, comprise the handle (1) containing inner chamber, drive mechanism (4) and be arranged in control unit (2) and the motor (3) of handle (1) inner chamber, control unit (2) is connected with motor (3), and the output shaft of motor (3) is connected with drive mechanism (4); It is characterized in that, also comprise the base (5) containing inner chamber, two first brush teeth unit and two second unit of brushing teeth, base (5) is fixedly connected on the side of handle (1), and the inner chamber of base (5) communicates with the inner chamber of handle (1), drive mechanism (4) is arranged in the inner chamber of handle (1) and the inner chamber of base (5); Two first unit of brushing teeth are laid in above and below base (5), are formed to be positioned at first of base (5) top and to brush teeth unit and be positioned at first of base (5) below and brush teeth unit; A groove (501) is laid at the two ends of base (5) respectively, and the second unit of brushing teeth is arranged in groove (501); First unit and second unit of brushing teeth of brushing teeth is respectively equipped with bristle (9), and the first unit and second unit of brushing teeth of brushing teeth is connected with drive mechanism (4) respectively; First unit and second of brushing teeth brushes teeth unit under the effect of drive mechanism, realizes rotating or vibration;

Described two first each first in unit of brushing teeth brush teeth unit comprise there is transmission agency outer shaft frame (10), outer shaft (7), the interior spindle housing (11) with transmission agency and interior rotating shaft (8), outer shaft frame (10) and interior spindle housing (11) are all connected on base (5); Outer shaft (7) is connected on outer shaft frame (10), and the axis of outer shaft (7) takes the shape of the letter U after being connected, and wherein an outer shaft (7) is connected with drive mechanism (4); Interior rotating shaft (8) is connected in interior spindle housing (11), and the axis of interior rotating shaft (8) takes the shape of the letter U after being connected, and wherein an interior rotating shaft (8) is connected with drive mechanism (4); The U-shaped nose place of the outer shaft (7) that handle (1) takes the shape of the letter U after axis is connected; Outer shaft (7) surface and interior rotating shaft (8) surface are laid with bristle (9) respectively;

Described outer shaft frame (10) and interior spindle housing (11) have identical structure, outer shaft frame (10) comprises housing (101), locating rod (102), head rod (107), second connecting rod (108), and be arranged in first gear (103) of housing (101), second gear (104) and toothed disc (105), housing (101) is fixedly connected on base (5) by locating rod (102), first gear (103) and the second gear (104) engage with toothed disc (105) respectively, toothed disc (105) is connected in housing (101) by locating shaft (109), head rod (107) and the second connecting rod (108) are positioned at the both sides of housing (101), and be each passed through housing (101), one end of head rod (107) is connected to the tooth of the first gear (103) in the heart, the other end of head rod (107) is connected on outer shaft (7), one end of second connecting rod (108) is connected to the tooth of the second gear (104) in the heart, the other end of the second connecting rod (108) is connected on outer shaft (7),

The other end of described head rod (107) is connected on outer shaft (7) by press-fit, and press-fit position is complementary or partial complementarity; The other end of the second connecting rod (108) is connected on outer shaft (7) by press-fit, and press-fit position is complementary or partial complementarity.

2. according to electric toothbrush according to claim 1, it is characterized in that, described two second each second in unit of brushing teeth unit of brushing teeth comprises side rotating shaft (6), side rotating shaft (6) is connected with drive mechanism (4), and side rotating shaft (6) interlocks clockwise and counterclockwise and rotates; Side rotating shaft (6) surface is laid with bristle (9).

3. according to electric toothbrush according to claim 1, it is characterized in that, described outer shaft frame (10) is for N number of, outer shaft (7) is N+1, interior spindle housing (11) is M, interior rotating shaft (8) is M+1, and outer shaft (7) is connected between two adjacent outer shaft framves (10), and the both sides being positioned at the outer shaft frame (10) of end connect an outer shaft (7) respectively; Interior rotating shaft (8) is connected between adjacent interior spindle housing (11), and the both sides being positioned at the spindle housing (11) of end connect a rotating shaft (8) respectively; N and M is integer, and 2≤N≤8,2≤M≤8.

4. according to electric toothbrush according to claim 2, it is characterized in that, described second unit of brushing teeth also comprises the side spindle housing (12) with transmission agency, described side rotating shaft (6) is P, side spindle housing (12) is P-1, side spindle housing (12) is fixedly connected on the inwall of groove (501), side rotating shaft (6) is connected in side spindle housing (12), side rotating shaft (6) and side spindle housing (12) are alternately laid, and wherein a side rotating shaft (6) is connected with drive mechanism (4); 2≤P≤3.

5. according to electric toothbrush according to claim 4, it is characterized in that, described side spindle housing (12) comprises housing (101), locating rod (102), head rod (107), the second connecting rod (108), and be arranged in first gear (103) of housing (101), the second gear (104) and toothed disc (105), housing (101) is fixedly connected on base (5) by locating rod (102), and the first gear (103) and the second gear (104) engage with toothed disc (105) respectively, toothed disc (105) is connected in housing (101) by locating shaft, head rod (107) and the second connecting rod (108) are positioned at the both sides of housing (101), and be each passed through housing (101), one end of head rod (107) is connected to the tooth of the first gear (103) in the heart, the other end of head rod (107) is connected in side rotating shaft (6), one end of second connecting rod (108) is connected to the tooth of the second gear (104) in the heart, the other end of the second connecting rod (108) is connected in side rotating shaft (6),

The other end of described head rod (107) is connected in side rotating shaft (6) by press-fit, and press-fit position is complementary or partial complementarity; The other end of described the second connecting rod (108) is connected in side rotating shaft (6) by press-fit, and press-fit position is complementary or partial complementarity.

6. according to the electric toothbrush described in claim 1 or 5, it is characterized in that, described locating rod (102), outer shaft (7), interior rotating shaft (8) and side rotating shaft (6) are made by pliable material; Base (5) and handle (1) are a single piece.

7. according to electric toothbrush according to claim 1, it is characterized in that, also comprise all U-shaped upper bluff piece (13) of cross section and lower bluff piece (14), on this, bluff piece (13) is fixedly connected on base (5) end face outer; Lower bluff piece (14) is fixedly connected on base (5) outer, bottom surface.

8. according to electric toothbrush according to claim 3, it is characterized in that, described two first each first in unit of brushing teeth are brushed teeth in unit, are positioned at two outer shafts (7) protuberate basic unit (5) of the U-shaped opening of the outer shaft (7) taken the shape of the letter U after axis is connected; Be positioned at two rotating shafts (8) protuberate basic unit (5) of the U-shaped opening of the rotating shaft (8) taken the shape of the letter U after axis is connected; Described two second each second in unit of brushing teeth are brushed teeth in unit, away from side rotating shaft (6) protuberate basic unit (5) of handle (1) one end.

9. according to electric toothbrush according to claim 1, it is characterized in that, the bristle height on the outer shaft (7) at the U-shaped nose place of the outer shaft (7) taken the shape of the letter U after described axis is connected, increases from the middle to both ends gradually.

10. according to electric toothbrush according to claim 1, it is characterized in that, brush teeth unit in described first of base (5) top that is arranged in, the direction of motion of the bristle of outer shaft (7) and interior rotating shaft (8) is that the tooth grown from the upper jaw in human mouth is brushed to the direction away from the upper jaw; Brush teeth unit in described first of base (5) below that is arranged in, the direction of motion of the bristle of outer shaft (7) and interior rotating shaft (8) is brush from the tooth of mandibular growth in human mouth to away from lower jaw direction.

11. according to electric toothbrush according to claim 4, it is characterized in that, the bristle (9) described outer shaft (7) being positioned at end covers the outer shaft frame (10) be connected with this outer shaft (7) end, the bristle (9) interior rotating shaft (8) being positioned at end covers the spindle housing (11) be connected with this rotating shaft (8) end, and the bristle (9) side rotating shaft (6) being positioned at end covers the side spindle housing (12) be connected with this side rotating shaft (6) end.

12. according to electric toothbrush according to claim 4, it is characterized in that, also comprise the bracing frame (21) being provided with hole, on the end face that bracing frame (21) is fixedly connected with base (5) and bottom surface, the outer shaft (7) at the U-shaped nose place of the outer shaft (7) taken the shape of the letter U after being connected away from axis be connected away from axis after take the shape of the letter U in the interior rotating shaft (8) at U-shaped nose place of rotating shaft (8) lay respectively in the hole of bracing frame (21), and the bristle of the bristle of outer shaft (7) and interior rotating shaft (8) covers bracing frame (21).

13. according to the electric toothbrush described in claim 1 or 5, it is characterized in that, described housing (101) is provided with the first groove (110) and the second groove (111), head rod (107) is through the first groove (110), the height of the first gear (103) is greater than the height of the first groove (110), when head rod (107) moves in the first groove, the first gear (103) engages with toothed disc (105) all the time; Second connecting rod (108) is through the second groove (111), the height of the second gear (104) is greater than the height of the second groove (111), when second connecting rod (108) is mobile in the second groove (111), the second gear (104) engages with toothed disc (105) all the time.

14. according to electric toothbrush according to claim 1, it is characterized in that, described two first each first in unit of brushing teeth brush teeth that unit comprises outer transmission gripper shoe (15), the first hair brushing plate (16) being provided with bristle be connected on outer transmission gripper shoe (15), interior transmission support plate (17) and the second hair brushing plate (18) being provided with bristle that is connected on interior transmission support plate (17); First hair brushing plate (16) is relative with the second hair brushing plate (18) to be laid; The axis of outer transmission gripper shoe (15) takes the shape of the letter U after being connected, and takes the shape of the letter U after the axis of interior transmission support plate (17) is connected; Outer transmission gripper shoe (15) is connected with drive mechanism (4) respectively with interior transmission support plate (17), realizes oscillating movement; Outer transmission gripper shoe (15) and interior transmission support plate (17) take the shape of the letter U respectively.

15. according to electric toothbrush according to claim 14, it is characterized in that, described two second each second in unit of brushing teeth unit of brushing teeth comprises transmission support plate (19), is connected to the 3rd hair brushing plate (20) being provided with bristle on transmission support plate (19); 3rd hair brushing plate (20) is laid in end face and the bottom surface of transmission support plate (19); Transmission support plate (19) is connected with drive mechanism (4), realizes oscillating movement.

16., according to electric toothbrush according to claim 14, is characterized in that, described outer transmission gripper shoe (15) is P, and interior transmission support plate (17) is Q, P and Q is integer, and 3≤P≤5,1≤Q≤5.

17., according to electric toothbrush according to claim 15, is characterized in that, described locating rod (102) is connected for detachable with base (5); Described the first hair brushing plate (16) is connected on outer transmission gripper shoe (15) by removably, second hair brushing plate (18) is connected on interior transmission support plate (17) by removably, and the 3rd hair brushing plate (20) is connected on transmission support plate (19) by removably.

18. according to electric toothbrush according to claim 15, it is characterized in that, described two first each first in unit of brushing teeth are brushed teeth in unit, are positioned at the first hair brushing plate (16) protuberate basic unit (5) on two outer transmission gripper shoes (15) of the U-shaped opening of the outer transmission gripper shoe (15) taken the shape of the letter U; Be positioned at the second hair brushing plate (18) protuberate basic unit (5) on two transmission support plates (17) of the U-shaped opening of the transmission support plate (17) taken the shape of the letter U; Brush teeth in unit, away from the 3rd hair brushing plate (20) protuberate basic unit (5) on the transmission support plate (19) of handle (1) one end at two second each second in unit of brushing teeth.

19., according to electric toothbrush according to claim 18, is characterized in that, described the first hair brushing plate (16), the second hair brushing plate (18) and the 3rd hair brushing plate (20) are flexible material and make.